/*
* tkUnixWm.c --
*
* This module takes care of the interactions between a Tk-based
* application and the window manager. Among other things, it
* implements the "wm" command and passes geometry information
* to the window manager.
*
* Copyright (c) 1991-1994 The Regents of the University of California.
* Copyright (c) 1994-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id: tkUnixWm.c,v 1.36 2002/12/27 21:23:04 jenglish Exp $
*/
#include "tkPort.h"
#include "tkInt.h"
#include "tkUnixInt.h"
#include <errno.h>
/*
* A data structure of the following type holds information for
* each window manager protocol (such as WM_DELETE_WINDOW) for
* which a handler (i.e. a Tcl command) has been defined for a
* particular top-level window.
*/
typedef struct ProtocolHandler {
Atom protocol; /* Identifies the protocol. */
struct ProtocolHandler *nextPtr;
/* Next in list of protocol handlers for
* the same top-level window, or NULL for
* end of list. */
Tcl_Interp *interp; /* Interpreter in which to invoke command. */
#if 0
char command[4]; /* Tcl command to invoke when a client
* message for this protocol arrives.
* The actual size of the structure varies
* to accommodate the needs of the actual
* command. THIS MUST BE THE LAST FIELD OF
* THE STRUCTURE. */
#else
LangCallback *command;
#endif
} ProtocolHandler;
static void ProtocolFree _ANSI_ARGS_((char *clientData));
static void
ProtocolFree(clientData)
char *clientData;
{ProtocolHandler *p = (ProtocolHandler *) clientData;
LangFreeCallback(p->command);
ckfree((char *) p);
}
/*
* A data structure of the following type holds window-manager-related
* information for each top-level window in an application.
*/
typedef struct TkWmInfo {
TkWindow *winPtr; /* Pointer to main Tk information for
* this window. */
Window reparent; /* If the window has been reparented, this
* gives the ID of the ancestor of the window
* that is a child of the root window (may
* not be window's immediate parent). If
* the window isn't reparented, this has the
* value None. */
char *title; /* Title to display in window caption. If
* NULL, use name of widget. Malloced. */
char *iconName; /* Name to display in icon. Malloced. */
XWMHints hints; /* Various pieces of information for
* window manager. */
char *leaderName; /* Path name of leader of window group
* (corresponds to hints.window_group).
* Malloc-ed. Note: this field doesn't
* get updated if leader is destroyed. */
TkWindow *masterPtr; /* Master window for TRANSIENT_FOR property,
* or NULL. */
Tk_Window icon; /* Window to use as icon for this window,
* or NULL. */
Tk_Image iconImage; /* Image used to generate Icon - or NULL */
Tk_Window iconFor; /* Window for which this window is icon, or
* NULL if this isn't an icon for anyone. */
int withdrawn; /* Non-zero means window has been withdrawn. */
/*
* In order to support menubars transparently under X, each toplevel
* window is encased in an additional window, called the wrapper,
* that holds the toplevel and the menubar, if any. The information
* below is used to keep track of the wrapper and the menubar.
*/
TkWindow *wrapperPtr; /* Pointer to information about the wrapper.
* This is the "real" toplevel window as
* seen by the window manager. Although
* this is an official Tk window, it
* doesn't appear in the application's
* window hierarchy. NULL means that
* the wrapper hasn't been created yet. */
Tk_Window menubar; /* Pointer to information about the
* menubar, or NULL if there is no
* menubar for this toplevel. */
int menuHeight; /* Amount of vertical space needed for
* menubar, measured in pixels. If
* menubar is non-NULL, this is >= 1 (X
* servers don't like dimensions of 0). */
/*
* Information used to construct an XSizeHints structure for
* the window manager:
*/
int sizeHintsFlags; /* Flags word for XSizeHints structure.
* If the PBaseSize flag is set then the
* window is gridded; otherwise it isn't
* gridded. */
int minWidth, minHeight; /* Minimum dimensions of window, in
* grid units, not pixels. */
int maxWidth, maxHeight; /* Maximum dimensions of window, in
* grid units, not pixels. */
Tk_Window gridWin; /* Identifies the window that controls
* gridding for this top-level, or NULL if
* the top-level isn't currently gridded. */
int widthInc, heightInc; /* Increments for size changes (# pixels
* per step). */
struct {
int x; /* numerator */
int y; /* denominator */
} minAspect, maxAspect; /* Min/max aspect ratios for window. */
int reqGridWidth, reqGridHeight;
/* The dimensions of the window (in
* grid units) requested through
* the geometry manager. */
int gravity; /* Desired window gravity. */
/*
* Information used to manage the size and location of a window.
*/
int width, height; /* Desired dimensions of window, specified
* in grid units. These values are
* set by the "wm geometry" command and by
* ConfigureNotify events (for when wm
* resizes window). -1 means user hasn't
* requested dimensions. */
int x, y; /* Desired X and Y coordinates for window.
* These values are set by "wm geometry",
* plus by ConfigureNotify events (when wm
* moves window). These numbers are
* different than the numbers stored in
* winPtr->changes because (a) they could be
* measured from the right or bottom edge
* of the screen (see WM_NEGATIVE_X and
* WM_NEGATIVE_Y flags) and (b) if the window
* has been reparented then they refer to the
* parent rather than the window itself. */
int parentWidth, parentHeight;
/* Width and height of reparent, in pixels
* *including border*. If window hasn't been
* reparented then these will be the outer
* dimensions of the window, including
* border. */
int xInParent, yInParent; /* Offset of wrapperPtr within reparent,
* measured in pixels from upper-left outer
* corner of reparent's border to upper-left
* outer corner of wrapperPtr's border. If
* not reparented then these are zero. */
int configWidth, configHeight;
/* Dimensions passed to last request that we
* issued to change geometry of the wrapper.
* Used to eliminate redundant resize
* operations. */
/*
* Information about the virtual root window for this top-level,
* if there is one.
*/
Window vRoot; /* Virtual root window for this top-level,
* or None if there is no virtual root
* window (i.e. just use the screen's root). */
int vRootX, vRootY; /* Position of the virtual root inside the
* root window. If the WM_VROOT_OFFSET_STALE
* flag is set then this information may be
* incorrect and needs to be refreshed from
* the X server. If vRoot is None then these
* values are both 0. */
int vRootWidth, vRootHeight;/* Dimensions of the virtual root window.
* If vRoot is None, gives the dimensions
* of the containing screen. This information
* is never stale, even though vRootX and
* vRootY can be. */
/*
* Miscellaneous information.
*/
ProtocolHandler *protPtr; /* First in list of protocol handlers for
* this window (NULL means none). */
#ifndef _LANG
int cmdArgc; /* Number of elements in cmdArgv below. */
CONST char **cmdArgv; /* Array of strings to store in the
* WM_COMMAND property. NULL means nothing
* available. */
#else
Tcl_Obj *cmdArg; /* Object holding list - to keep strings live */
#endif
char *clientMachine; /* String to store in WM_CLIENT_MACHINE
* property, or NULL. */
int flags; /* Miscellaneous flags, defined below. */
int numTransients; /* number of transients on this window */
struct TkWmInfo *nextPtr; /* Next in list of all top-level windows. */
} WmInfo;
/*
* Flag values for WmInfo structures:
*
* WM_NEVER_MAPPED - non-zero means window has never been
* mapped; need to update all info when
* window is first mapped.
* WM_UPDATE_PENDING - non-zero means a call to UpdateGeometryInfo
* has already been scheduled for this
* window; no need to schedule another one.
* WM_NEGATIVE_X - non-zero means x-coordinate is measured in
* pixels from right edge of screen, rather
* than from left edge.
* WM_NEGATIVE_Y - non-zero means y-coordinate is measured in
* pixels up from bottom of screen, rather than
* down from top.
* WM_UPDATE_SIZE_HINTS - non-zero means that new size hints need to be
* propagated to window manager.
* WM_SYNC_PENDING - set to non-zero while waiting for the window
* manager to respond to some state change.
* WM_VROOT_OFFSET_STALE - non-zero means that (x,y) offset information
* about the virtual root window is stale and
* needs to be fetched fresh from the X server.
* WM_ABOUT_TO_MAP - non-zero means that the window is about to
* be mapped by TkWmMapWindow. This is used
* by UpdateGeometryInfo to modify its behavior.
* WM_MOVE_PENDING - non-zero means the application has requested
* a new position for the window, but it hasn't
* been reflected through the window manager
* yet.
* WM_COLORMAPS_EXPLICIT - non-zero means the colormap windows were
* set explicitly via "wm colormapwindows".
* WM_ADDED_TOPLEVEL_COLORMAP - non-zero means that when "wm colormapwindows"
* was called the top-level itself wasn't
* specified, so we added it implicitly at
* the end of the list.
* WM_WIDTH_NOT_RESIZABLE - non-zero means that we're not supposed to
* allow the user to change the width of the
* window (controlled by "wm resizable"
* command).
* WM_HEIGHT_NOT_RESIZABLE - non-zero means that we're not supposed to
* allow the user to change the height of the
* window (controlled by "wm resizable"
* command).
* WM_WITHDRAWN - non-zero means that this window has explicitly
* been withdrawn. If it's a transient, it should
* not mirror state changes in the master.
*/
#define WM_NEVER_MAPPED 1
#define WM_UPDATE_PENDING 2
#define WM_NEGATIVE_X 4
#define WM_NEGATIVE_Y 8
#define WM_UPDATE_SIZE_HINTS 0x10
#define WM_SYNC_PENDING 0x20
#define WM_VROOT_OFFSET_STALE 0x40
#define WM_ABOUT_TO_MAP 0x100
#define WM_MOVE_PENDING 0x200
#define WM_COLORMAPS_EXPLICIT 0x400
#define WM_ADDED_TOPLEVEL_COLORMAP 0x800
#define WM_WIDTH_NOT_RESIZABLE 0x1000
#define WM_HEIGHT_NOT_RESIZABLE 0x2000
#define WM_WITHDRAWN 0x4000
/*
* This module keeps a list of all top-level windows, primarily to
* simplify the job of Tk_CoordsToWindow. The list is called
* firstWmPtr and is stored in the TkDisplay structure.
*/
/*
* The following structures are the official type records for geometry
* management of top-level and menubar windows.
*/
static void TopLevelReqProc _ANSI_ARGS_((ClientData dummy,
Tk_Window tkwin));
static void TopLevelLostSlaveProc _ANSI_ARGS_((ClientData clientData,
Tk_Window tkwin));
static Tk_GeomMgr wmMgrType = {
"wm", /* name */
TopLevelReqProc, /* requestProc */
TopLevelLostSlaveProc, /* lostSlaveProc */
};
/*
* Forward declarations for procedures defined in this file:
*/
static void TkWmFreeCmd _ANSI_ARGS_((WmInfo *wmPtr));
static void ImageChangedProc _ANSI_ARGS_((ClientData clientData,
int x, int y, int width, int height, int imageWidth,
int imageHeight));
static void MenubarReqProc _ANSI_ARGS_((ClientData clientData,
Tk_Window tkwin));
static Tk_GeomMgr menubarMgrType = {
"menubar", /* name */
MenubarReqProc, /* requestProc */
(Tk_GeomLostSlaveProc *) NULL, /* lostSlaveProc */
};
/*
* Structures of the following type are used for communication between
* WaitForEvent, WaitRestrictProc, and WaitTimeoutProc.
*/
typedef struct WaitRestrictInfo {
Display *display; /* Window belongs to this display. */
WmInfo *wmInfoPtr;
int type; /* We only care about this type of event. */
XEvent *eventPtr; /* Where to store the event when it's found. */
int foundEvent; /* Non-zero means that an event of the
* desired type has been found. */
} WaitRestrictInfo;
/*
* Forward declarations for procedures defined in this file:
*/
static int ComputeReparentGeometry _ANSI_ARGS_((WmInfo *wmPtr));
static void ConfigureEvent _ANSI_ARGS_((WmInfo *wmPtr,
XConfigureEvent *eventPtr));
static void CreateWrapper _ANSI_ARGS_((WmInfo *wmPtr));
static void GetMaxSize _ANSI_ARGS_((WmInfo *wmPtr,
int *maxWidthPtr, int *maxHeightPtr));
static void MenubarDestroyProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static int ParseGeometry _ANSI_ARGS_((Tcl_Interp *interp,
char *string, TkWindow *winPtr));
static void ReparentEvent _ANSI_ARGS_((WmInfo *wmPtr,
XReparentEvent *eventPtr));
static void TkWmStackorderToplevelWrapperMap _ANSI_ARGS_((
TkWindow *winPtr,
Tcl_HashTable *reparentTable));
static void TopLevelEventProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static void TopLevelReqProc _ANSI_ARGS_((ClientData dummy,
Tk_Window tkwin));
static void UpdateCommand _ANSI_ARGS_((TkWindow *winPtr));
static void UpdateGeometryInfo _ANSI_ARGS_((
ClientData clientData));
static void UpdateHints _ANSI_ARGS_((TkWindow *winPtr));
static void UpdateSizeHints _ANSI_ARGS_((TkWindow *winPtr));
static void UpdateVRootGeometry _ANSI_ARGS_((WmInfo *wmPtr));
static void UpdateWmProtocols _ANSI_ARGS_((WmInfo *wmPtr));
static void WaitForConfigureNotify _ANSI_ARGS_((TkWindow *winPtr,
unsigned long serial));
static int WaitForEvent _ANSI_ARGS_((Display *display,
WmInfo *wmInfoPtr, int type, XEvent *eventPtr));
static void WaitForMapNotify _ANSI_ARGS_((TkWindow *winPtr,
int mapped));
static void UnmanageGeometry _ANSI_ARGS_((Tk_Window tkwin));
static Tk_RestrictAction
WaitRestrictProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static void WrapperEventProc _ANSI_ARGS_((ClientData clientData,
XEvent *eventPtr));
static void WmWaitMapProc _ANSI_ARGS_((
ClientData clientData, XEvent *eventPtr));
static int WmAspectCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmAttributesCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmCaptureCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmClientCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmColormapwindowsCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmCommandCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmDeiconifyCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmFocusmodelCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmFrameCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGeometryCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGridCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmGroupCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconbitmapCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconifyCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconimageCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconmaskCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconnameCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconpositionCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmIconwindowCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmMaxsizeCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmMinsizeCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmOverrideredirectCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmPositionfromCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmProtocolCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmReleaseCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmResizableCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmSizefromCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmStackorderCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmStateCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmTitleCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmTransientCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmWithdrawCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static int WmWrapperCmd _ANSI_ARGS_((Tk_Window tkwin,
TkWindow *winPtr, Tcl_Interp *interp, int objc,
Tcl_Obj *CONST objv[]));
static void WmUpdateGeom _ANSI_ARGS_((WmInfo *wmPtr,
TkWindow *winPtr));
/*
*--------------------------------------------------------------
*
* TkWmCleanup --
*
* This procedure is invoked to cleanup remaining wm resources
* associated with a display.
*
* Results:
* None.
*
* Side effects:
* All WmInfo structure resources are freed and invalidated.
*
*--------------------------------------------------------------
*/
static void
TkWmFreeCmd(wmPtr)
WmInfo *wmPtr;
{
if (wmPtr->cmdArg) {
Tcl_DecrRefCount(wmPtr->cmdArg);
wmPtr->cmdArg = NULL;
}
}
void TkWmCleanup(dispPtr)
TkDisplay *dispPtr;
{
WmInfo *wmPtr, *nextPtr;
for (wmPtr = dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = nextPtr) {
/*
* We can't assume we have access to winPtr's anymore, so some
* cleanup requiring winPtr data is avoided.
*/
nextPtr = wmPtr->nextPtr;
if (wmPtr->title != NULL) {
ckfree(wmPtr->title);
}
if (wmPtr->iconName != NULL) {
ckfree(wmPtr->iconName);
}
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
if (wmPtr->menubar != NULL) {
Tk_DestroyWindow(wmPtr->menubar);
}
if (wmPtr->wrapperPtr != NULL) {
Tk_DestroyWindow((Tk_Window) wmPtr->wrapperPtr);
}
while (wmPtr->protPtr != NULL) {
ProtocolHandler *protPtr;
protPtr = wmPtr->protPtr;
wmPtr->protPtr = protPtr->nextPtr;
Tcl_EventuallyFree((ClientData) protPtr, ProtocolFree);
}
#ifdef _LANG
TkWmFreeCmd(wmPtr);
#else
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
}
#endif
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
}
ckfree((char *) wmPtr);
}
}
/*
*--------------------------------------------------------------
*
* TkWmNewWindow --
*
* This procedure is invoked whenever a new top-level
* window is created. Its job is to initialize the WmInfo
* structure for the window.
*
* Results:
* None.
*
* Side effects:
* A WmInfo structure gets allocated and initialized.
*
*--------------------------------------------------------------
*/
void
TkWmNewWindow(winPtr)
TkWindow *winPtr; /* Newly-created top-level window. */
{
register WmInfo *wmPtr;
TkDisplay *dispPtr = winPtr->dispPtr;
wmPtr = (WmInfo *) ckalloc(sizeof(WmInfo));
memset(wmPtr, 0, sizeof(WmInfo));
wmPtr->winPtr = winPtr;
wmPtr->reparent = None;
wmPtr->masterPtr = NULL;
wmPtr->numTransients = 0;
wmPtr->hints.flags = InputHint | StateHint;
wmPtr->hints.input = True;
wmPtr->hints.initial_state = NormalState;
wmPtr->hints.icon_pixmap = None;
wmPtr->hints.icon_window = None;
wmPtr->hints.icon_x = wmPtr->hints.icon_y = 0;
wmPtr->hints.icon_mask = None;
wmPtr->hints.window_group = None;
wmPtr->minWidth = wmPtr->minHeight = 1;
/*
* Default the maximum dimensions to the size of the display, minus
* a guess about how space is needed for window manager decorations.
*/
wmPtr->widthInc = wmPtr->heightInc = 1;
wmPtr->minAspect.x = wmPtr->minAspect.y = 1;
wmPtr->maxAspect.x = wmPtr->maxAspect.y = 1;
wmPtr->reqGridWidth = wmPtr->reqGridHeight = -1;
wmPtr->gravity = NorthWestGravity;
wmPtr->width = -1;
wmPtr->height = -1;
wmPtr->x = winPtr->changes.x;
wmPtr->y = winPtr->changes.y;
wmPtr->parentWidth = winPtr->changes.width
+ 2*winPtr->changes.border_width;
wmPtr->parentHeight = winPtr->changes.height
+ 2*winPtr->changes.border_width;
wmPtr->configWidth = -1;
wmPtr->configHeight = -1;
wmPtr->vRoot = None;
wmPtr->flags = WM_NEVER_MAPPED;
wmPtr->nextPtr = (WmInfo *) dispPtr->firstWmPtr;
dispPtr->firstWmPtr = wmPtr;
winPtr->wmInfoPtr = wmPtr;
UpdateVRootGeometry(wmPtr);
/*
* Arrange for geometry requests to be reflected from the window
* to the window manager.
*/
Tk_ManageGeometry((Tk_Window) winPtr, &wmMgrType, (ClientData) 0);
}
/*
*--------------------------------------------------------------
*
* TkWmMapWindow --
*
* This procedure is invoked to map a top-level window. This
* module gets a chance to update all window-manager-related
* information in properties before the window manager sees
* the map event and checks the properties. It also gets to
* decide whether or not to even map the window after all.
*
* Results:
* None.
*
* Side effects:
* Properties of winPtr may get updated to provide up-to-date
* information to the window manager. The window may also get
* mapped, but it may not be if this procedure decides that
* isn't appropriate (e.g. because the window is withdrawn).
*
*--------------------------------------------------------------
*/
void
TkWmMapWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's about to
* be mapped. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
XTextProperty textProp;
Tk_Uid string;
if (wmPtr->flags & WM_NEVER_MAPPED) {
Tcl_DString ds;
wmPtr->flags &= ~WM_NEVER_MAPPED;
/*
* This is the first time this window has ever been mapped.
* First create the wrapper window that provides space for a
* menubar.
*/
if (wmPtr->wrapperPtr == NULL) {
CreateWrapper(wmPtr);
}
/*
* Store all the window-manager-related information for the
* window.
*/
string = (wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid;
Tcl_UtfToExternalDString(NULL, string, -1, &ds);
string = Tcl_DStringValue(&ds);
if (XStringListToTextProperty((char **)&string, 1,
&textProp) != 0) {
XSetWMName(winPtr->display, wmPtr->wrapperPtr->window, &textProp);
XFree((char *) textProp.value);
}
Tcl_DStringFree(&ds);
TkWmSetClass(winPtr);
if (wmPtr->iconName != NULL) {
Tcl_UtfToExternalDString(NULL, wmPtr->iconName, -1, &ds);
XSetIconName(winPtr->display, wmPtr->wrapperPtr->window,
Tcl_DStringValue(&ds));
Tcl_DStringFree(&ds);
}
if (wmPtr->masterPtr != NULL) {
/*
* Don't map a transient if the master is not mapped.
*/
if (!Tk_IsMapped(wmPtr->masterPtr)) {
wmPtr->withdrawn = 1;
wmPtr->hints.initial_state = WithdrawnState;
} else {
XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window,
wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window);
}
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
UpdateHints(winPtr);
UpdateWmProtocols(wmPtr);
if (wmPtr->cmdArg != NULL) {
UpdateCommand(winPtr);
}
if (wmPtr->clientMachine != NULL) {
char *temp;
Tcl_UtfToExternalDString(NULL, wmPtr->clientMachine, -1, &ds);
temp = Tcl_DStringValue(&ds);
if (XStringListToTextProperty(&temp, 1,
&textProp) != 0) {
XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window,
&textProp);
XFree((char *) textProp.value);
}
Tcl_DStringFree(&ds);
}
}
if (wmPtr->hints.initial_state == WithdrawnState) {
return;
}
if (wmPtr->iconFor != NULL) {
/*
* This window is an icon for somebody else. Make sure that
* the geometry is up-to-date, then return without mapping
* the window.
*/
if (wmPtr->flags & WM_UPDATE_PENDING) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
UpdateGeometryInfo((ClientData) winPtr);
return;
}
wmPtr->flags |= WM_ABOUT_TO_MAP;
if (wmPtr->flags & WM_UPDATE_PENDING) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
UpdateGeometryInfo((ClientData) winPtr);
wmPtr->flags &= ~WM_ABOUT_TO_MAP;
/*
* Map the window, then wait to be sure that the window manager has
* processed the map operation.
*/
XMapWindow(winPtr->display, wmPtr->wrapperPtr->window);
if (wmPtr->hints.initial_state == NormalState) {
WaitForMapNotify(winPtr, 1);
}
}
/*
*--------------------------------------------------------------
*
* TkWmUnmapWindow --
*
* This procedure is invoked to unmap a top-level window. The
* only thing it does special is to wait for the window actually
* to be unmapped.
*
* Results:
* None.
*
* Side effects:
* Unmaps the window.
*
*--------------------------------------------------------------
*/
void
TkWmUnmapWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's about to
* be mapped. */
{
/*
* It seems to be important to wait after unmapping a top-level
* window until the window really gets unmapped. I don't completely
* understand all the interactions with the window manager, but if
* we go on without waiting, and if the window is then mapped again
* quickly, events seem to get lost so that we think the window isn't
* mapped when in fact it is mapped. I suspect that this has something
* to do with the window manager filtering Map events (and possily not
* filtering Unmap events?).
*/
XUnmapWindow(winPtr->display, winPtr->wmInfoPtr->wrapperPtr->window);
WaitForMapNotify(winPtr, 0);
}
/*
*--------------------------------------------------------------
*
* TkWmDeadWindow --
*
* This procedure is invoked when a top-level window is
* about to be deleted. It cleans up the wm-related data
* structures for the window.
*
* Results:
* None.
*
* Side effects:
* The WmInfo structure for winPtr gets freed up.
*
*--------------------------------------------------------------
*/
void
TkWmDeadWindow(winPtr)
TkWindow *winPtr; /* Top-level window that's being deleted. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
WmInfo *wmPtr2;
if (wmPtr == NULL) {
return;
}
if ((WmInfo *) winPtr->dispPtr->firstWmPtr == wmPtr) {
winPtr->dispPtr->firstWmPtr = wmPtr->nextPtr;
} else {
register WmInfo *prevPtr;
for (prevPtr = (WmInfo *) winPtr->dispPtr->firstWmPtr; ;
prevPtr = prevPtr->nextPtr) {
if (prevPtr == NULL) {
panic("couldn't unlink window in TkWmDeadWindow");
}
if (prevPtr->nextPtr == wmPtr) {
prevPtr->nextPtr = wmPtr->nextPtr;
break;
}
}
}
if (wmPtr->title != NULL) {
ckfree(wmPtr->title);
}
if (wmPtr->iconName != NULL) {
ckfree(wmPtr->iconName);
}
if (wmPtr->hints.icon_pixmap) {
if (wmPtr->iconImage) {
Tk_FreePixmap(winPtr->display, wmPtr->hints.icon_pixmap);
} else {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
}
}
if (wmPtr->iconImage) {
Tk_FreeImage(wmPtr->iconImage);
}
if (wmPtr->hints.flags & IconMaskHint) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
}
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
if (wmPtr->icon != NULL) {
wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
wmPtr2->iconFor = NULL;
wmPtr2->withdrawn = 1;
}
if (wmPtr->iconFor != NULL) {
wmPtr2 = ((TkWindow *) wmPtr->iconFor)->wmInfoPtr;
wmPtr2->icon = NULL;
wmPtr2->hints.flags &= ~IconWindowHint;
UpdateHints((TkWindow *) wmPtr->iconFor);
}
if (wmPtr->menubar != NULL) {
Tk_DestroyWindow(wmPtr->menubar);
}
if (wmPtr->wrapperPtr != NULL) {
/*
* The rest of Tk doesn't know that we reparent the toplevel
* inside the wrapper, so reparent it back out again before
* deleting the wrapper; otherwise the toplevel will get deleted
* twice (once implicitly by the deletion of the wrapper).
*/
XUnmapWindow(winPtr->display, winPtr->window);
XReparentWindow(winPtr->display, winPtr->window,
XRootWindow(winPtr->display, winPtr->screenNum), 0, 0);
Tk_DestroyWindow((Tk_Window) wmPtr->wrapperPtr);
}
while (wmPtr->protPtr != NULL) {
ProtocolHandler *protPtr;
protPtr = wmPtr->protPtr;
wmPtr->protPtr = protPtr->nextPtr;
Tcl_EventuallyFree((ClientData) protPtr, ProtocolFree);
}
#ifdef _LANG
TkWmFreeCmd(wmPtr);
#else
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
}
#endif
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
}
if (wmPtr->flags & WM_UPDATE_PENDING) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
/*
* Reset all transient windows whose master is the dead window.
*/
for (wmPtr2 = winPtr->dispPtr->firstWmPtr; wmPtr2 != NULL;
wmPtr2 = wmPtr2->nextPtr) {
if (wmPtr2->masterPtr == winPtr) {
wmPtr->numTransients--;
Tk_DeleteEventHandler((Tk_Window) wmPtr2->masterPtr,
StructureNotifyMask,
WmWaitMapProc, (ClientData) wmPtr2->winPtr);
wmPtr2->masterPtr = NULL;
if (!(wmPtr2->flags & WM_NEVER_MAPPED)) {
XSetTransientForHint(wmPtr2->winPtr->display,
wmPtr2->wrapperPtr->window, None);
/* FIXME: Need a call like Win32's UpdateWrapper() so
we can recreate the wrapper and get rid of the
transient window decorations. */
}
}
}
if (wmPtr->numTransients != 0)
panic("numTransients should be 0");
if (wmPtr->masterPtr != NULL) {
wmPtr2 = wmPtr->masterPtr->wmInfoPtr;
/*
* If we had a master, tell them that we aren't tied
* to them anymore
*/
if (wmPtr2 != NULL) {
wmPtr2->numTransients--;
}
Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr,
StructureNotifyMask,
WmWaitMapProc, (ClientData) winPtr);
wmPtr->masterPtr = NULL;
}
ckfree((char *) wmPtr);
winPtr->wmInfoPtr = NULL;
}
/*
*--------------------------------------------------------------
*
* TkWmSetClass --
*
* This procedure is invoked whenever a top-level window's
* class is changed. If the window has been mapped then this
* procedure updates the window manager property for the
* class. If the window hasn't been mapped, the update is
* deferred until just before the first mapping.
*
* Results:
* None.
*
* Side effects:
* A window property may get updated.
*
*--------------------------------------------------------------
*/
void
TkWmSetClass(winPtr)
TkWindow *winPtr; /* Newly-created top-level window. */
{
if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) {
return;
}
if (winPtr->classUid != NULL) {
XClassHint *classPtr;
Tcl_DString name, class;
Tcl_UtfToExternalDString(NULL, winPtr->nameUid, -1, &name);
Tcl_UtfToExternalDString(NULL, winPtr->classUid, -1, &class);
classPtr = XAllocClassHint();
classPtr->res_name = Tcl_DStringValue(&name);
classPtr->res_class = Tcl_DStringValue(&class);
XSetClassHint(winPtr->display, winPtr->wmInfoPtr->wrapperPtr->window,
classPtr);
XFree((char *) classPtr);
Tcl_DStringFree(&name);
Tcl_DStringFree(&class);
}
}
/*
*----------------------------------------------------------------------
*
* TopLevelLostSlaveProc --
*
* This procedure is invoked when a toplevel window becomes
* managed by another geometry manager.
*
* Results:
* None.
*
* Side effects:
* Should be equivalent to Tix's "wm capture" ??
*
*----------------------------------------------------------------------
*/
static
void
TopLevelLostSlaveProc(clientData, tkwin)
ClientData clientData;
Tk_Window tkwin;
{
/* Don't do anything yet */
}
/*
*----------------------------------------------------------------------
*
* Tk_WmObjCmd --
* Tk_WmCmd --
*
* This procedure is invoked to process the "wm" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
int
Tk_WmObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Main window associated with
* interpreter. */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
Tk_Window tkwin = (Tk_Window) clientData;
static CONST char *optionStrings[] = {
"aspect", "attributes", "capture", "client", "colormapwindows",
"command", "deiconify", "focusmodel", "frame",
"geometry", "grid", "group", "iconbitmap",
"iconify", "iconimage", "iconmask", "iconname", "iconposition",
"iconwindow", "maxsize", "minsize", "overrideredirect",
"positionfrom", "protocol", "release", "resizable", "sizefrom",
"stackorder", "state", "title", "transient",
"withdraw", "wrapper", (char *) NULL };
enum options {
WMOPT_ASPECT, WMOPT_ATTRIBUTES, WMOPT_CAPTURE, WMOPT_CLIENT, WMOPT_COLORMAPWINDOWS,
WMOPT_COMMAND, WMOPT_DEICONIFY, WMOPT_FOCUSMODEL, WMOPT_FRAME,
WMOPT_GEOMETRY, WMOPT_GRID, WMOPT_GROUP, WMOPT_ICONBITMAP,
WMOPT_ICONIFY, WMOPT_ICONIMAGE, WMOPT_ICONMASK, WMOPT_ICONNAME, WMOPT_ICONPOSITION,
WMOPT_ICONWINDOW, WMOPT_MAXSIZE, WMOPT_MINSIZE, WMOPT_OVERRIDEREDIRECT,
WMOPT_POSITIONFROM, WMOPT_PROTOCOL, WMOPT_RELEASE, WMOPT_RESIZABLE, WMOPT_SIZEFROM,
WMOPT_STACKORDER, WMOPT_STATE, WMOPT_TITLE, WMOPT_TRANSIENT,
WMOPT_WITHDRAW, WMOPT_WRAPPER };
int index;
int length;
char *argv1;
TkWindow *winPtr;
TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
if (objc < 2) {
wrongNumArgs:
Tcl_WrongNumArgs(interp, 1, objv, "option window ?arg ...?");
return TCL_ERROR;
}
argv1 = Tcl_GetStringFromObj(objv[1], &length);
if ((argv1[0] == 't') && (strncmp(argv1, "tracing", (size_t) length) == 0)
&& (length >= 3)) {
int wmTracing;
if ((objc != 2) && (objc != 3)) {
Tcl_WrongNumArgs(interp, 2, objv, "?boolean?");
return TCL_ERROR;
}
if (objc == 2) {
Tcl_SetResult(interp,
((dispPtr->flags & TK_DISPLAY_WM_TRACING) ? "1" : ""),
TCL_STATIC);
return TCL_OK;
}
if (Tcl_GetBooleanFromObj(interp, objv[2], &wmTracing) != TCL_OK) {
return TCL_ERROR;
}
if (wmTracing) {
dispPtr->flags |= TK_DISPLAY_WM_TRACING;
} else {
dispPtr->flags &= ~TK_DISPLAY_WM_TRACING;
}
return TCL_OK;
}
if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (objc < 3) {
goto wrongNumArgs;
}
if (TkGetWindowFromObj(interp, tkwin, objv[2], (Tk_Window *) &winPtr)
!= TCL_OK) {
return TCL_ERROR;
}
if (Tk_IsTopLevel(winPtr)) {
if ((enum options) index == WMOPT_RELEASE) {
Tcl_AppendResult(interp, "window \"", winPtr->pathName,
"\" is already top-level window", (char *) NULL);
return TCL_ERROR;
}
}
else if ((enum options) index != WMOPT_RELEASE) {
Tcl_AppendResult(interp, "window \"", winPtr->pathName,
"\" isn't a top-level window", (char *) NULL);
return TCL_ERROR;
}
switch ((enum options) index) {
case WMOPT_ASPECT:
return WmAspectCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ATTRIBUTES:
return WmAttributesCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_CLIENT:
return WmClientCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_CAPTURE:
return WmCaptureCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_COLORMAPWINDOWS:
return WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_COMMAND:
return WmCommandCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_DEICONIFY:
return WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_FOCUSMODEL:
return WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_FRAME:
return WmFrameCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GEOMETRY:
return WmGeometryCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GRID:
return WmGridCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_GROUP:
return WmGroupCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONBITMAP:
return WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONIFY:
return WmIconifyCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONIMAGE:
return WmIconimageCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONMASK:
return WmIconmaskCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONNAME:
return WmIconnameCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONPOSITION:
return WmIconpositionCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_ICONWINDOW:
return WmIconwindowCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_MAXSIZE:
return WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_MINSIZE:
return WmMinsizeCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_OVERRIDEREDIRECT:
return WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_POSITIONFROM:
return WmPositionfromCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_PROTOCOL:
return WmProtocolCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_RESIZABLE:
return WmResizableCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_RELEASE:
return WmReleaseCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_SIZEFROM:
return WmSizefromCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_STACKORDER:
return WmStackorderCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_STATE:
return WmStateCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_TITLE:
return WmTitleCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_TRANSIENT:
return WmTransientCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_WITHDRAW:
return WmWithdrawCmd(tkwin, winPtr, interp, objc, objv);
case WMOPT_WRAPPER:
return WmWrapperCmd(tkwin, winPtr, interp, objc, objv);
}
/* This should not happen */
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* WmAspectCmd --
*
* This procedure is invoked to process the "wm aspect" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmAspectCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int numer1, denom1, numer2, denom2;
if ((objc != 3) && (objc != 7)) {
Tcl_WrongNumArgs(interp, 2, objv,
"window ?minNumer minDenom maxNumer maxDenom?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & PAspect) {
char buf[TCL_INTEGER_SPACE * 4];
sprintf(buf, "%d %d %d %d", wmPtr->minAspect.x,
wmPtr->minAspect.y, wmPtr->maxAspect.x,
wmPtr->maxAspect.y);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
wmPtr->sizeHintsFlags &= ~PAspect;
} else {
if ((Tcl_GetIntFromObj(interp, objv[3], &numer1) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &denom1) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[5], &numer2) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[6], &denom2) != TCL_OK)) {
return TCL_ERROR;
}
if ((numer1 <= 0) || (denom1 <= 0) || (numer2 <= 0) ||
(denom2 <= 0)) {
Tcl_SetResult(interp, "aspect number can't be <= 0",
TCL_STATIC);
return TCL_ERROR;
}
wmPtr->minAspect.x = numer1;
wmPtr->minAspect.y = denom1;
wmPtr->maxAspect.x = numer2;
wmPtr->maxAspect.y = denom2;
wmPtr->sizeHintsFlags |= PAspect;
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmAttributesCmd --
*
* This procedure is invoked to process the "wm attributes" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmAttributesCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmClientCmd --
*
* This procedure is invoked to process the "wm client" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmClientCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int length;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?name?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->clientMachine != NULL) {
Tcl_SetResult(interp, wmPtr->clientMachine, TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
if (argv3[0] == 0) {
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
wmPtr->clientMachine = NULL;
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XDeleteProperty(winPtr->display, wmPtr->wrapperPtr->window,
Tk_InternAtom((Tk_Window) winPtr,
"WM_CLIENT_MACHINE"));
}
}
return TCL_OK;
}
if (wmPtr->clientMachine != NULL) {
ckfree((char *) wmPtr->clientMachine);
}
wmPtr->clientMachine = (char *)
ckalloc((unsigned) (length + 1));
strcpy(wmPtr->clientMachine, argv3);
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XTextProperty textProp;
Tcl_DString ds;
char *string;
Tcl_UtfToExternalDString(NULL, wmPtr->clientMachine, -1, &ds);
string = Tcl_DStringValue(&ds);
if (XStringListToTextProperty(&string, 1,
&textProp) != 0) {
XSetWMClientMachine(winPtr->display, wmPtr->wrapperPtr->window,
&textProp);
XFree((char *) textProp.value);
}
Tcl_DStringFree(&ds);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmColormapwindowsCmd --
*
* This procedure is invoked to process the "wm colormapwindows"
* Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmColormapwindowsCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Window *cmapList;
TkWindow *winPtr2;
int count, i, windowObjc, gotToplevel;
Tcl_Obj **windowObjv;
char buffer[20];
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?windowList?");
return TCL_ERROR;
}
Tk_MakeWindowExist((Tk_Window) winPtr);
if (wmPtr->wrapperPtr == NULL) {
CreateWrapper(wmPtr);
}
if (objc == 3) {
if (XGetWMColormapWindows(winPtr->display,
wmPtr->wrapperPtr->window, &cmapList, &count) == 0) {
return TCL_OK;
}
for (i = 0; i < count; i++) {
if ((i == (count-1))
&& (wmPtr->flags & WM_ADDED_TOPLEVEL_COLORMAP)) {
break;
}
winPtr2 = (TkWindow *) Tk_IdToWindow(winPtr->display,
cmapList[i]);
if (winPtr2 == NULL) {
sprintf(buffer, "0x%lx", cmapList[i]);
Tcl_AppendElement(interp, buffer);
} else {
Tcl_AppendElement(interp, winPtr2->pathName);
}
}
XFree((char *) cmapList);
return TCL_OK;
}
if (Tcl_ListObjGetElements(interp, objv[3], &windowObjc, &windowObjv)
!= TCL_OK) {
return TCL_ERROR;
}
cmapList = (Window *) ckalloc((unsigned)
((windowObjc+1)*sizeof(Window)));
gotToplevel = 0;
for (i = 0; i < windowObjc; i++) {
if (TkGetWindowFromObj(interp, tkwin, windowObjv[i],
(Tk_Window *) &winPtr2) != TCL_OK)
{
ckfree((char *) cmapList);
return TCL_ERROR;
}
if (winPtr2 == winPtr) {
gotToplevel = 1;
}
if (winPtr2->window == None) {
Tk_MakeWindowExist((Tk_Window) winPtr2);
}
cmapList[i] = winPtr2->window;
}
if (!gotToplevel) {
wmPtr->flags |= WM_ADDED_TOPLEVEL_COLORMAP;
cmapList[windowObjc] = wmPtr->wrapperPtr->window;
windowObjc++;
} else {
wmPtr->flags &= ~WM_ADDED_TOPLEVEL_COLORMAP;
}
wmPtr->flags |= WM_COLORMAPS_EXPLICIT;
XSetWMColormapWindows(winPtr->display, wmPtr->wrapperPtr->window,
cmapList, windowObjc);
ckfree((char *) cmapList);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmCommandCmd --
*
* This procedure is invoked to process the "wm command" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmCommandCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int i;
int cmdArgc;
Tcl_Obj **cmdArgv;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?value?");
return TCL_ERROR;
}
if (objc == 3) {
#ifdef _LANG
Tcl_IncrRefCount(wmPtr->cmdArg);
Tcl_SetObjResult(interp,wmPtr->cmdArg);
#else
Tcl_ResetResult(interp);
if (wmPtr->cmdArgv != NULL) {
for (i=0; i < wmPtr->cmdArgc; i++) {
Tcl_ListObjAppendElement(interp,
Tcl_GetObjResult(interp),
Tcl_NewStringObj(wmPtr->cmdArgv[i],-1));
}
}
#endif
return TCL_OK;
}
if (LangNull(objv[3])) {
#ifdef _LANG
if (wmPtr->cmdArg != NULL) {
TkWmFreeCmd(wmPtr);
#else
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
wmPtr->cmdArgv = NULL;
#endif
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XDeleteProperty(winPtr->display, wmPtr->wrapperPtr->window,
Tk_InternAtom((Tk_Window) winPtr, "WM_COMMAND"));
}
}
return TCL_OK;
}
if (Tcl_ListObjGetElements(interp, objv[3], &cmdArgc, &cmdArgv) != TCL_OK) {
return TCL_ERROR;
}
#ifdef _LANG
Tcl_IncrRefCount(objv[3]);
/* Free the old one */
TkWmFreeCmd(wmPtr);
/* Save reference to new one to keep strings live */
wmPtr->cmdArg = objv[3];
#else
if (wmPtr->cmdArgv != NULL) {
ckfree((char *) wmPtr->cmdArgv);
}
wmPtr->cmdArgc = cmdArgc;
wmPtr->cmdArgv = (CONST char **) ckalloc(cmdArgc*sizeof(char *));
for (i=0; i < cmdArgc; i++)
{
wmPtr->cmdArgv[i] = Tcl_GetString(cmdArgv[i]);
}
#endif
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
UpdateCommand(winPtr);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmDeiconifyCmd --
*
* This procedure is invoked to process the "wm deiconify" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmDeiconifyCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't deiconify ", Tcl_GetString(objv[2]),
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (winPtr->flags & TK_EMBEDDED) {
Tcl_AppendResult(interp, "can't deiconify ", winPtr->pathName,
": it is an embedded window", (char *) NULL);
return TCL_ERROR;
}
wmPtr->flags &= ~WM_WITHDRAWN;
TkpWmSetState(winPtr, NormalState);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmFocusmodelCmd --
*
* This procedure is invoked to process the "wm focusmodel" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmFocusmodelCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
static CONST char *optionStrings[] = {
"active", "passive", (char *) NULL };
enum options {
OPT_ACTIVE, OPT_PASSIVE };
int index;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?active|passive?");
return TCL_ERROR;
}
if (objc == 3) {
Tcl_SetResult(interp, (wmPtr->hints.input ? "passive" : "active"),
TCL_STATIC);
return TCL_OK;
}
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_ACTIVE) {
wmPtr->hints.input = False;
} else { /* OPT_PASSIVE */
wmPtr->hints.input = True;
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmFrameCmd --
*
* This procedure is invoked to process the "wm frame" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmFrameCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Window window;
char buf[TCL_INTEGER_SPACE];
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
window = wmPtr->reparent;
if (window == None) {
window = Tk_WindowId((Tk_Window) winPtr);
}
sprintf(buf, "0x%x", (unsigned int) window);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmGeometryCmd --
*
* This procedure is invoked to process the "wm geometry" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGeometryCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char xSign, ySign;
int width, height;
char *argv3;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?newGeometry?");
return TCL_ERROR;
}
if (objc == 3) {
char buf[16 + TCL_INTEGER_SPACE * 4];
xSign = (wmPtr->flags & WM_NEGATIVE_X) ? '-' : '+';
ySign = (wmPtr->flags & WM_NEGATIVE_Y) ? '-' : '+';
if (wmPtr->gridWin != NULL) {
width = wmPtr->reqGridWidth + (winPtr->changes.width
- winPtr->reqWidth)/wmPtr->widthInc;
height = wmPtr->reqGridHeight + (winPtr->changes.height
- winPtr->reqHeight)/wmPtr->heightInc;
} else {
width = winPtr->changes.width;
height = winPtr->changes.height;
}
sprintf(buf, "%dx%d%c%d%c%d", width, height, xSign, wmPtr->x,
ySign, wmPtr->y);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_OK;
}
argv3 = Tcl_GetString(objv[3]);
if (*argv3 == '\0') {
wmPtr->width = -1;
wmPtr->height = -1;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
return ParseGeometry(interp, argv3, winPtr);
}
/*
*----------------------------------------------------------------------
*
* WmGridCmd --
*
* This procedure is invoked to process the "wm grid" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGridCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int reqWidth, reqHeight, widthInc, heightInc;
if ((objc != 3) && (objc != 7)) {
Tcl_WrongNumArgs(interp, 2, objv,
"window ?baseWidth baseHeight widthInc heightInc?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & PBaseSize) {
char buf[TCL_INTEGER_SPACE * 4];
sprintf(buf, "%d %d %d %d", wmPtr->reqGridWidth,
wmPtr->reqGridHeight, wmPtr->widthInc,
wmPtr->heightInc);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
/*
* Turn off gridding and reset the width and height
* to make sense as ungridded numbers.
*/
wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc);
if (wmPtr->width != -1) {
wmPtr->width = winPtr->reqWidth + (wmPtr->width
- wmPtr->reqGridWidth)*wmPtr->widthInc;
wmPtr->height = winPtr->reqHeight + (wmPtr->height
- wmPtr->reqGridHeight)*wmPtr->heightInc;
}
wmPtr->widthInc = 1;
wmPtr->heightInc = 1;
} else {
if ((Tcl_GetIntFromObj(interp, objv[3], &reqWidth) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &reqHeight) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[5], &widthInc) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[6], &heightInc) != TCL_OK)) {
return TCL_ERROR;
}
if (reqWidth < 0) {
Tcl_SetResult(interp, "baseWidth can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
if (reqHeight < 0) {
Tcl_SetResult(interp, "baseHeight can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
if (widthInc < 0) {
Tcl_SetResult(interp, "widthInc can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
if (heightInc < 0) {
Tcl_SetResult(interp, "heightInc can't be < 0", TCL_STATIC);
return TCL_ERROR;
}
Tk_SetGrid((Tk_Window) winPtr, reqWidth, reqHeight, widthInc,
heightInc);
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmGroupCmd --
*
* This procedure is invoked to process the "wm group" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmGroupCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Tk_Window tkwin2;
WmInfo *wmPtr2;
char *argv3;
int length;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & WindowGroupHint) {
Tcl_SetResult(interp, wmPtr->leaderName, TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
if (*argv3 == '\0') {
wmPtr->hints.flags &= ~WindowGroupHint;
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
wmPtr->leaderName = NULL;
} else {
if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) {
return TCL_ERROR;
}
while (!Tk_TopWinHierarchy(tkwin2)) {
/*
* Ensure that the group leader is actually a Tk toplevel.
*/
tkwin2 = Tk_Parent(tkwin2);
}
Tk_MakeWindowExist(tkwin2);
wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr;
if (wmPtr2->wrapperPtr == NULL) {
CreateWrapper(wmPtr2);
}
if (wmPtr->leaderName != NULL) {
ckfree(wmPtr->leaderName);
}
wmPtr->hints.window_group = Tk_WindowId(wmPtr2->wrapperPtr);
wmPtr->hints.flags |= WindowGroupHint;
wmPtr->leaderName = ckalloc((unsigned) (length + 1));
strcpy(wmPtr->leaderName, argv3);
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconbitmapCmd --
*
* This procedure is invoked to process the "wm iconbitmap" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconbitmapCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Pixmap pixmap;
char *argv3;
if ((objc < 3) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & IconPixmapHint) {
Tcl_SetResult(interp, (char *)
Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap),
TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetString(objv[3]);
if (*argv3 == '\0') {
if (wmPtr->hints.icon_pixmap != None) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
wmPtr->hints.icon_pixmap = None;
}
wmPtr->hints.flags &= ~IconPixmapHint;
} else {
pixmap = Tk_GetBitmap(interp, (Tk_Window) winPtr, argv3);
if (pixmap == None) {
return TCL_ERROR;
}
wmPtr->hints.icon_pixmap = pixmap;
wmPtr->hints.flags |= IconPixmapHint;
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconifyCmd --
*
* This procedure is invoked to process the "wm iconify" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconifyCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
"\": override-redirect flag is set", (char *) NULL);
return TCL_ERROR;
}
if (wmPtr->masterPtr != NULL) {
Tcl_AppendResult(interp, "can't iconify \"", winPtr->pathName,
"\": it is a transient", (char *) NULL);
return TCL_ERROR;
}
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (winPtr->flags & TK_EMBEDDED) {
Tcl_AppendResult(interp, "can't iconify ", winPtr->pathName,
": it is an embedded window", (char *) NULL);
return TCL_ERROR;
}
if (TkpWmSetState(winPtr, IconicState) == 0) {
Tcl_SetResult(interp,
"couldn't send iconify message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconmaskCmd --
*
* This procedure is invoked to process the "wm iconmask" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconmaskCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Pixmap pixmap;
char *argv3;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?bitmap?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & IconMaskHint) {
Tcl_SetResult(interp, (char *)
Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_mask),
TCL_STATIC);
}
return TCL_OK;
}
argv3 = Tcl_GetString(objv[3]);
if (*argv3 == '\0') {
if (wmPtr->hints.icon_mask != None) {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_mask);
}
wmPtr->hints.flags &= ~IconMaskHint;
} else {
pixmap = Tk_GetBitmap(interp, tkwin, argv3);
if (pixmap == None) {
return TCL_ERROR;
}
wmPtr->hints.icon_mask = pixmap;
wmPtr->hints.flags |= IconMaskHint;
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconnameCmd --
*
* This procedure is invoked to process the "wm iconname" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconnameCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int length;
if (objc > 4) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?newName?");
return TCL_ERROR;
}
if (objc == 3) {
Tcl_SetResult(interp,
((wmPtr->iconName != NULL) ? wmPtr->iconName : ""),
TCL_STATIC);
return TCL_OK;
} else {
if (wmPtr->iconName != NULL) {
ckfree((char *) wmPtr->iconName);
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
wmPtr->iconName = ckalloc((unsigned) (length + 1));
strcpy(wmPtr->iconName, argv3);
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
Tcl_DString ds;
Tcl_UtfToExternalDString(NULL, wmPtr->iconName, -1, &ds);
XSetIconName(winPtr->display, wmPtr->wrapperPtr->window,
Tcl_DStringValue(&ds));
Tcl_DStringFree(&ds);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconpositionCmd --
*
* This procedure is invoked to process the "wm iconposition"
* Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconpositionCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int x, y;
if ((objc != 3) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?x y?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & IconPositionHint) {
char buf[TCL_INTEGER_SPACE * 2];
sprintf(buf, "%d %d", wmPtr->hints.icon_x,
wmPtr->hints.icon_y);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
wmPtr->hints.flags &= ~IconPositionHint;
} else {
if ((Tcl_GetIntFromObj(interp, objv[3], &x) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &y) != TCL_OK)){
return TCL_ERROR;
}
wmPtr->hints.icon_x = x;
wmPtr->hints.icon_y = y;
wmPtr->hints.flags |= IconPositionHint;
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmIconwindowCmd --
*
* This procedure is invoked to process the "wm iconwindow" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconwindowCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Tk_Window tkwin2;
WmInfo *wmPtr2;
XSetWindowAttributes atts;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?pathName?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->icon != NULL) {
Tcl_SetResult(interp, Tk_PathName(wmPtr->icon), TCL_STATIC);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
wmPtr->hints.flags &= ~IconWindowHint;
if (wmPtr->icon != NULL) {
/*
* Remove the icon window relationship. In principle we
* should also re-enable button events for the window, but
* this doesn't work in general because the window manager
* is probably selecting on them (we'll get an error if
* we try to re-enable the events). So, just leave the
* icon window event-challenged; the user will have to
* recreate it if they want button events.
*/
wmPtr2 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
wmPtr2->iconFor = NULL;
wmPtr2->withdrawn = 1;
wmPtr2->hints.initial_state = WithdrawnState;
}
wmPtr->icon = NULL;
} else {
if (TkGetWindowFromObj(interp, tkwin, objv[3], &tkwin2) != TCL_OK) {
return TCL_ERROR;
}
if (!Tk_IsTopLevel(tkwin2)) {
Tcl_AppendResult(interp, "can't use ", Tcl_GetString(objv[3]),
" as icon window: not at top level", (char *) NULL);
return TCL_ERROR;
}
wmPtr2 = ((TkWindow *) tkwin2)->wmInfoPtr;
if (wmPtr2->iconFor != NULL) {
Tcl_AppendResult(interp, Tcl_GetString(objv[3]),
" is already an icon for ",
Tk_PathName(wmPtr2->iconFor), (char *) NULL);
return TCL_ERROR;
}
if (wmPtr->icon != NULL) {
WmInfo *wmPtr3 = ((TkWindow *) wmPtr->icon)->wmInfoPtr;
wmPtr3->iconFor = NULL;
wmPtr3->withdrawn = 1;
wmPtr3->hints.initial_state = WithdrawnState;
}
/*
* Disable button events in the icon window: some window
* managers (like olvwm) want to get the events themselves,
* but X only allows one application at a time to receive
* button events for a window.
*/
atts.event_mask = Tk_Attributes(tkwin2)->event_mask
& ~ButtonPressMask;
Tk_ChangeWindowAttributes(tkwin2, CWEventMask, &atts);
Tk_MakeWindowExist(tkwin2);
if (wmPtr2->wrapperPtr == NULL) {
CreateWrapper(wmPtr2);
}
wmPtr->hints.icon_window = Tk_WindowId(wmPtr2->wrapperPtr);
wmPtr->hints.flags |= IconWindowHint;
wmPtr->icon = tkwin2;
wmPtr2->iconFor = (Tk_Window) winPtr;
if (!wmPtr2->withdrawn && !(wmPtr2->flags & WM_NEVER_MAPPED)) {
wmPtr2->withdrawn = 0;
if (XWithdrawWindow(Tk_Display(tkwin2),
Tk_WindowId(wmPtr2->wrapperPtr),
Tk_ScreenNumber(tkwin2)) == 0) {
Tcl_SetResult(interp,
"couldn't send withdraw message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
WaitForMapNotify((TkWindow *) tkwin2, 0);
}
}
UpdateHints(winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmMaxsizeCmd --
*
* This procedure is invoked to process the "wm maxsize" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmMaxsizeCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int width, height;
if ((objc != 3) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
return TCL_ERROR;
}
if (objc == 3) {
GetMaxSize(wmPtr, &width, &height);
Tcl_IntResults(interp, 2, 0, width, height);
return TCL_OK;
}
if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) {
return TCL_ERROR;
}
wmPtr->maxWidth = width;
wmPtr->maxHeight = height;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (width <= 0 && height <= 0) {
wmPtr->sizeHintsFlags &= ~PMaxSize;
} else {
wmPtr->sizeHintsFlags |= PMaxSize;
}
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmMinsizeCmd --
*
* This procedure is invoked to process the "wm minsize" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmMinsizeCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int width, height;
if ((objc != 3) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
return TCL_ERROR;
}
if (objc == 3) {
Tcl_IntResults(interp, 2, 0, wmPtr->minWidth, wmPtr->minHeight);
return TCL_OK;
}
if ((Tcl_GetIntFromObj(interp, objv[3], &width) != TCL_OK)
|| (Tcl_GetIntFromObj(interp, objv[4], &height) != TCL_OK)) {
return TCL_ERROR;
}
wmPtr->minWidth = width;
wmPtr->minHeight = height;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmOverrideredirectCmd --
*
* This procedure is invoked to process the "wm overrideredirect"
* Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmOverrideredirectCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
int boolean, curValue;
XSetWindowAttributes atts;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?boolean?");
return TCL_ERROR;
}
curValue = Tk_Attributes((Tk_Window) winPtr)->override_redirect;
if (objc == 3) {
Tcl_SetBooleanObj(Tcl_GetObjResult(interp), curValue);
return TCL_OK;
}
if (Tcl_GetBooleanFromObj(interp, objv[3], &boolean) != TCL_OK) {
return TCL_ERROR;
}
if (curValue != boolean) {
/*
* Only do this if we are really changing value, because it
* causes some funky stuff to occur
*/
atts.override_redirect = (boolean) ? True : False;
atts.save_under = (boolean) ? True : False;
Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWOverrideRedirect|CWSaveUnder,
&atts);
if (winPtr->wmInfoPtr->wrapperPtr != NULL) {
Tk_ChangeWindowAttributes(
(Tk_Window) winPtr->wmInfoPtr->wrapperPtr,
CWOverrideRedirect, &atts);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmPositionfromCmd --
*
* This procedure is invoked to process the "wm positionfrom"
* Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmPositionfromCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
static CONST char *optionStrings[] = {
"program", "user", (char *) NULL };
enum options {
OPT_PROGRAM, OPT_USER };
int index;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?user/program?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & USPosition) {
Tcl_SetResult(interp, "user", TCL_STATIC);
} else if (wmPtr->sizeHintsFlags & PPosition) {
Tcl_SetResult(interp, "program", TCL_STATIC);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
wmPtr->sizeHintsFlags &= ~(USPosition|PPosition);
} else {
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_USER) {
wmPtr->sizeHintsFlags &= ~PPosition;
wmPtr->sizeHintsFlags |= USPosition;
} else {
wmPtr->sizeHintsFlags &= ~USPosition;
wmPtr->sizeHintsFlags |= PPosition;
}
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmProtocolCmd --
*
* This procedure is invoked to process the "wm protocol" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmProtocolCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
register ProtocolHandler *protPtr, *prevPtr;
Atom protocol;
char *cmd;
int cmdLength;
if ((objc < 3) || (objc > 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?name? ?command?");
return TCL_ERROR;
}
if (objc == 3) {
/*
* Return a list of all defined protocols for the window.
*/
for (protPtr = wmPtr->protPtr; protPtr != NULL;
protPtr = protPtr->nextPtr) {
Tcl_AppendElement(interp,
Tk_GetAtomName((Tk_Window) winPtr, protPtr->protocol));
}
return TCL_OK;
}
protocol = Tk_InternAtom((Tk_Window) winPtr, Tcl_GetString(objv[3]));
if (objc == 4) {
/*
* Return the command to handle a given protocol.
*/
for (protPtr = wmPtr->protPtr; protPtr != NULL;
protPtr = protPtr->nextPtr) {
if (protPtr->protocol == protocol) {
Tcl_SetObjResult(interp,LangCallbackObj(protPtr->command));
return TCL_OK;
}
}
return TCL_OK;
}
/*
* Delete any current protocol handler, then create a new
* one with the specified command, unless the command is
* empty.
*/
for (protPtr = wmPtr->protPtr, prevPtr = NULL; protPtr != NULL;
prevPtr = protPtr, protPtr = protPtr->nextPtr) {
if (protPtr->protocol == protocol) {
if (prevPtr == NULL) {
wmPtr->protPtr = protPtr->nextPtr;
} else {
prevPtr->nextPtr = protPtr->nextPtr;
}
Tcl_EventuallyFree((ClientData) protPtr, ProtocolFree);
break;
}
}
cmd = Tcl_GetStringFromObj(objv[4], &cmdLength);
if (cmdLength > 0) {
#ifndef _LANG
protPtr = (ProtocolHandler *) ckalloc(HANDLER_SIZE(cmdLength));
#else
protPtr = (ProtocolHandler *) ckalloc(sizeof(ProtocolHandler));
#endif
protPtr->protocol = protocol;
protPtr->nextPtr = wmPtr->protPtr;
wmPtr->protPtr = protPtr;
protPtr->interp = interp;
#ifndef _LANG
strcpy(protPtr->command, cmd);
#else
protPtr->command = LangMakeCallback(objv[4]);
#endif
}
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
UpdateWmProtocols(wmPtr);
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmResizableCmd --
*
* This procedure is invoked to process the "wm resizable" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmResizableCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int width, height;
if ((objc != 3) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?width height?");
return TCL_ERROR;
}
if (objc == 3) {
char buf[TCL_INTEGER_SPACE * 2];
sprintf(buf, "%d %d",
(wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) ? 0 : 1,
(wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) ? 0 : 1);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_OK;
}
if ((Tcl_GetBooleanFromObj(interp, objv[3], &width) != TCL_OK)
|| (Tcl_GetBooleanFromObj(interp, objv[4], &height) != TCL_OK)) {
return TCL_ERROR;
}
if (width) {
wmPtr->flags &= ~WM_WIDTH_NOT_RESIZABLE;
} else {
wmPtr->flags |= WM_WIDTH_NOT_RESIZABLE;
}
if (height) {
wmPtr->flags &= ~WM_HEIGHT_NOT_RESIZABLE;
} else {
wmPtr->flags |= WM_HEIGHT_NOT_RESIZABLE;
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmSizefromCmd --
*
* This procedure is invoked to process the "wm sizefrom" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmSizefromCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
static CONST char *optionStrings[] = {
"program", "user", (char *) NULL };
enum options {
OPT_PROGRAM, OPT_USER };
int index;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?user|program?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->sizeHintsFlags & USSize) {
Tcl_SetResult(interp, "user", TCL_STATIC);
} else if (wmPtr->sizeHintsFlags & PSize) {
Tcl_SetResult(interp, "program", TCL_STATIC);
}
return TCL_OK;
}
if (*Tcl_GetString(objv[3]) == '\0') {
wmPtr->sizeHintsFlags &= ~(USSize|PSize);
} else {
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_USER) {
wmPtr->sizeHintsFlags &= ~PSize;
wmPtr->sizeHintsFlags |= USSize;
} else { /* OPT_PROGRAM */
wmPtr->sizeHintsFlags &= ~USSize;
wmPtr->sizeHintsFlags |= PSize;
}
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
WmUpdateGeom(wmPtr, winPtr);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmStackorderCmd --
*
* This procedure is invoked to process the "wm stackorder" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmStackorderCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
TkWindow **windows, **window_ptr;
static CONST char *optionStrings[] = {
"isabove", "isbelow", (char *) NULL };
enum options {
OPT_ISABOVE, OPT_ISBELOW };
int index;
if ((objc != 3) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?isabove|isbelow window?");
return TCL_ERROR;
}
if (objc == 3) {
windows = TkWmStackorderToplevel(winPtr);
if (windows == NULL) {
panic("TkWmStackorderToplevel failed");
} else {
for (window_ptr = windows; *window_ptr ; window_ptr++) {
Tcl_AppendElement(interp, (*window_ptr)->pathName);
}
ckfree((char *) windows);
return TCL_OK;
}
} else {
TkWindow *winPtr2;
int index1=-1, index2=-1, result;
if (TkGetWindowFromObj(interp, tkwin, objv[4], (Tk_Window *) &winPtr2)
!= TCL_OK) {
return TCL_ERROR;
}
if (!Tk_IsTopLevel(winPtr2)) {
Tcl_AppendResult(interp, "window \"", winPtr2->pathName,
"\" isn't a top-level window", (char *) NULL);
return TCL_ERROR;
}
if (!Tk_IsMapped(winPtr)) {
Tcl_AppendResult(interp, "window \"", winPtr->pathName,
"\" isn't mapped", (char *) NULL);
return TCL_ERROR;
}
if (!Tk_IsMapped(winPtr2)) {
Tcl_AppendResult(interp, "window \"", winPtr2->pathName,
"\" isn't mapped", (char *) NULL);
return TCL_ERROR;
}
/*
* Lookup stacking order of all toplevels that are children
* of "." and find the position of winPtr and winPtr2
* in the stacking order.
*/
windows = TkWmStackorderToplevel(winPtr->mainPtr->winPtr);
if (windows == NULL) {
Tcl_AppendResult(interp, "TkWmStackorderToplevel failed",
(char *) NULL);
return TCL_ERROR;
} else {
for (window_ptr = windows; *window_ptr ; window_ptr++) {
if (*window_ptr == winPtr)
index1 = (window_ptr - windows);
if (*window_ptr == winPtr2)
index2 = (window_ptr - windows);
}
if (index1 == -1)
panic("winPtr window not found");
if (index2 == -1)
panic("winPtr2 window not found");
ckfree((char *) windows);
}
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_ISABOVE) {
result = index1 > index2;
} else { /* OPT_ISBELOW */
result = index1 < index2;
}
Tcl_SetIntObj(Tcl_GetObjResult(interp), result);
return TCL_OK;
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmStateCmd --
*
* This procedure is invoked to process the "wm state" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmStateCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
static CONST char *optionStrings[] = {
"normal", "iconic", "withdrawn", (char *) NULL };
enum options {
OPT_NORMAL, OPT_ICONIC, OPT_WITHDRAWN };
int index;
if ((objc < 3) || (objc > 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?state?");
return TCL_ERROR;
}
if (objc == 4) {
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't change state of ",
Tcl_GetString(objv[2]),
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[3], optionStrings, "argument", 0,
&index) != TCL_OK) {
return TCL_ERROR;
}
if (index == OPT_NORMAL) {
wmPtr->flags &= ~WM_WITHDRAWN;
(void) TkpWmSetState(winPtr, NormalState);
} else if (index == OPT_ICONIC) {
if (Tk_Attributes((Tk_Window) winPtr)->override_redirect) {
Tcl_AppendResult(interp, "can't iconify \"",
winPtr->pathName,
"\": override-redirect flag is set",
(char *) NULL);
return TCL_ERROR;
}
if (wmPtr->masterPtr != NULL) {
Tcl_AppendResult(interp, "can't iconify \"",
winPtr->pathName,
"\": it is a transient", (char *) NULL);
return TCL_ERROR;
}
if (TkpWmSetState(winPtr, IconicState) == 0) {
Tcl_SetResult(interp,
"couldn't send iconify message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
} else { /* OPT_WITHDRAWN */
wmPtr->flags |= WM_WITHDRAWN;
if (TkpWmSetState(winPtr, WithdrawnState) == 0) {
Tcl_SetResult(interp,
"couldn't send withdraw message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
}
} else {
if (wmPtr->iconFor != NULL) {
Tcl_SetResult(interp, "icon", TCL_STATIC);
} else if (wmPtr->withdrawn) {
Tcl_SetResult(interp, "withdrawn", TCL_STATIC);
} else if (Tk_IsMapped((Tk_Window) winPtr)
|| ((wmPtr->flags & WM_NEVER_MAPPED)
&& (wmPtr->hints.initial_state == NormalState))) {
Tcl_SetResult(interp, "normal", TCL_STATIC);
} else {
Tcl_SetResult(interp, "iconic", TCL_STATIC);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmTitleCmd --
*
* This procedure is invoked to process the "wm title" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmTitleCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
char *argv3;
int length;
if (objc > 4) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?newTitle?");
return TCL_ERROR;
}
if (objc == 3) {
Tcl_SetResult(interp, (char *)
((wmPtr->title != NULL) ? wmPtr->title : winPtr->nameUid),
TCL_STATIC);
return TCL_OK;
} else {
if (wmPtr->title != NULL) {
ckfree((char *) wmPtr->title);
}
argv3 = Tcl_GetStringFromObj(objv[3], &length);
wmPtr->title = ckalloc((unsigned) (length + 1));
strcpy(wmPtr->title, argv3);
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
XTextProperty textProp;
Tcl_DString ds;
char *string;
Tcl_UtfToExternalDString(NULL, wmPtr->title, -1, &ds);
string = Tcl_DStringValue(&ds);
if (XStringListToTextProperty(&string, 1,
&textProp) != 0) {
XSetWMName(winPtr->display, wmPtr->wrapperPtr->window,
&textProp);
XFree((char *) textProp.value);
}
Tcl_DStringFree(&ds);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmTransientCmd --
*
* This procedure is invoked to process the "wm transient" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmTransientCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
TkWindow *masterPtr = wmPtr->masterPtr;
WmInfo *wmPtr2;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?master?");
return TCL_ERROR;
}
if (objc == 3) {
if (masterPtr != NULL) {
Tk_Window master = (Tk_Window) masterPtr;
Tcl_SetResult(interp, Tk_PathName(master), TCL_STATIC);
}
return TCL_OK;
}
if (Tcl_GetString(objv[3])[0] == '\0') {
if (masterPtr != NULL) {
/*
* If we had a master, tell them that we aren't tied
* to them anymore
*/
masterPtr->wmInfoPtr->numTransients--;
Tk_DeleteEventHandler((Tk_Window) masterPtr,
StructureNotifyMask,
WmWaitMapProc, (ClientData) winPtr);
/* FIXME: Need a call like Win32's UpdateWrapper() so
we can recreate the wrapper and get rid of the
transient window decorations. */
}
wmPtr->masterPtr = NULL;
} else {
if (TkGetWindowFromObj(interp, tkwin, objv[3],
(Tk_Window *) &masterPtr) != TCL_OK) {
return TCL_ERROR;
}
while (!Tk_TopWinHierarchy(masterPtr)) {
/*
* Ensure that the master window is actually a Tk toplevel.
*/
masterPtr = masterPtr->parentPtr;
}
Tk_MakeWindowExist((Tk_Window) masterPtr);
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't make \"",
Tcl_GetString(objv[2]),
"\" a transient: it is an icon for ",
Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
wmPtr2 = masterPtr->wmInfoPtr;
if (wmPtr2->wrapperPtr == NULL) {
CreateWrapper(wmPtr2);
}
if (wmPtr2->iconFor != NULL) {
Tcl_AppendResult(interp, "can't make \"",
Tcl_GetString(objv[3]),
"\" a master: it is an icon for ",
Tk_PathName(wmPtr2->iconFor),
(char *) NULL);
return TCL_ERROR;
}
if (masterPtr == winPtr) {
Tcl_AppendResult(interp, "can't make \"", Tk_PathName(winPtr),
"\" its own master",
(char *) NULL);
return TCL_ERROR;
} else if (masterPtr != wmPtr->masterPtr) {
/*
* Remove old master map/unmap binding before setting
* the new master. The event handler will ensure that
* transient states reflect the state of the master.
*/
if (wmPtr->masterPtr != NULL) {
wmPtr->masterPtr->wmInfoPtr->numTransients--;
Tk_DeleteEventHandler((Tk_Window) wmPtr->masterPtr,
StructureNotifyMask,
WmWaitMapProc, (ClientData) winPtr);
}
masterPtr->wmInfoPtr->numTransients++;
Tk_CreateEventHandler((Tk_Window) masterPtr,
StructureNotifyMask,
WmWaitMapProc, (ClientData) winPtr);
wmPtr->masterPtr = masterPtr;
}
}
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
if (wmPtr->masterPtr != NULL && !Tk_IsMapped(wmPtr->masterPtr)) {
if (TkpWmSetState(winPtr, WithdrawnState) == 0) {
Tcl_SetResult(interp,
"couldn't send withdraw message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
} else {
Window xwin = (wmPtr->masterPtr == NULL) ? None :
wmPtr->masterPtr->wmInfoPtr->wrapperPtr->window;
XSetTransientForHint(winPtr->display, wmPtr->wrapperPtr->window,
xwin);
}
}
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* WmWithdrawCmd --
*
* This procedure is invoked to process the "wm withdraw" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmWithdrawCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "window");
return TCL_ERROR;
}
if (wmPtr->iconFor != NULL) {
Tcl_AppendResult(interp, "can't withdraw ", Tcl_GetString(objv[2]),
": it is an icon for ", Tk_PathName(wmPtr->iconFor),
(char *) NULL);
return TCL_ERROR;
}
wmPtr->flags |= WM_WITHDRAWN;
if (TkpWmSetState(winPtr, WithdrawnState) == 0) {
Tcl_SetResult(interp,
"couldn't send withdraw message to window manager",
TCL_STATIC);
return TCL_ERROR;
}
return TCL_OK;
}
/*
* Invoked by those wm subcommands that affect geometry.
* Schedules a geometry update.
*/
static void
WmUpdateGeom(wmPtr, winPtr)
WmInfo *wmPtr;
TkWindow *winPtr;
{
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
* Invoked when a MapNotify or UnmapNotify event is delivered for a
* toplevel that is the master of a transient toplevel.
*/
static void
WmWaitMapProc(clientData, eventPtr)
ClientData clientData; /* Pointer to window. */
XEvent *eventPtr; /* Information about event. */
{
TkWindow *winPtr = (TkWindow *) clientData;
TkWindow *masterPtr = winPtr->wmInfoPtr->masterPtr;
if (masterPtr == NULL)
return;
if (eventPtr->type == MapNotify) {
if (!(winPtr->wmInfoPtr->flags & WM_WITHDRAWN))
(void) TkpWmSetState(winPtr, NormalState);
} else if (eventPtr->type == UnmapNotify) {
(void) TkpWmSetState(winPtr, WithdrawnState);
}
}
/*
*----------------------------------------------------------------------
*
* Tk_SetGrid --
*
* This procedure is invoked by a widget when it wishes to set a grid
* coordinate system that controls the size of a top-level window.
* It provides a C interface equivalent to the "wm grid" command and
* is usually asscoiated with the -setgrid option.
*
* Results:
* None.
*
* Side effects:
* Grid-related information will be passed to the window manager, so
* that the top-level window associated with tkwin will resize on
* even grid units. If some other window already controls gridding
* for the top-level window then this procedure call has no effect.
*
*----------------------------------------------------------------------
*/
void
Tk_SetGrid(tkwin, reqWidth, reqHeight, widthInc, heightInc)
Tk_Window tkwin; /* Token for window. New window mgr info
* will be posted for the top-level window
* associated with this window. */
int reqWidth; /* Width (in grid units) corresponding to
* the requested geometry for tkwin. */
int reqHeight; /* Height (in grid units) corresponding to
* the requested geometry for tkwin. */
int widthInc, heightInc; /* Pixel increments corresponding to a
* change of one grid unit. */
{
TkWindow *winPtr = (TkWindow *) tkwin;
register WmInfo *wmPtr;
/*
* Find the top-level window for tkwin, plus the window manager
* information.
*/
while (!(winPtr->flags & TK_TOP_HIERARCHY)) {
winPtr = winPtr->parentPtr;
if (winPtr == NULL) {
/*
* The window is being deleted... just skip this operation.
*/
return;
}
}
wmPtr = winPtr->wmInfoPtr;
if (wmPtr == NULL) {
return;
}
if ((wmPtr->gridWin != NULL) && (wmPtr->gridWin != tkwin)) {
return;
}
if ((wmPtr->reqGridWidth == reqWidth)
&& (wmPtr->reqGridHeight == reqHeight)
&& (wmPtr->widthInc == widthInc)
&& (wmPtr->heightInc == heightInc)
&& ((wmPtr->sizeHintsFlags & (PBaseSize|PResizeInc))
== (PBaseSize|PResizeInc))) {
return;
}
/*
* If gridding was previously off, then forget about any window
* size requests made by the user or via "wm geometry": these are
* in pixel units and there's no easy way to translate them to
* grid units since the new requested size of the top-level window in
* pixels may not yet have been registered yet (it may filter up
* the hierarchy in DoWhenIdle handlers). However, if the window
* has never been mapped yet then just leave the window size alone:
* assume that it is intended to be in grid units but just happened
* to have been specified before this procedure was called.
*/
if ((wmPtr->gridWin == NULL) && !(wmPtr->flags & WM_NEVER_MAPPED)) {
wmPtr->width = -1;
wmPtr->height = -1;
}
/*
* Set the new gridding information, and start the process of passing
* all of this information to the window manager.
*/
wmPtr->gridWin = tkwin;
wmPtr->reqGridWidth = reqWidth;
wmPtr->reqGridHeight = reqHeight;
wmPtr->widthInc = widthInc;
wmPtr->heightInc = heightInc;
wmPtr->sizeHintsFlags |= PBaseSize|PResizeInc;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* Tk_UnsetGrid --
*
* This procedure cancels the effect of a previous call
* to Tk_SetGrid.
*
* Results:
* None.
*
* Side effects:
* If tkwin currently controls gridding for its top-level window,
* gridding is cancelled for that top-level window; if some other
* window controls gridding then this procedure has no effect.
*
*----------------------------------------------------------------------
*/
void
Tk_UnsetGrid(tkwin)
Tk_Window tkwin; /* Token for window that is currently
* controlling gridding. */
{
TkWindow *winPtr = (TkWindow *) tkwin;
register WmInfo *wmPtr;
/*
* Find the top-level window for tkwin, plus the window manager
* information.
*/
while (!(winPtr->flags & TK_TOP_HIERARCHY)) {
winPtr = winPtr->parentPtr;
if (winPtr == NULL) {
/*
* The window is being deleted... just skip this operation.
*/
return;
}
}
wmPtr = winPtr->wmInfoPtr;
if (wmPtr == NULL) {
return;
}
if (tkwin != wmPtr->gridWin) {
return;
}
wmPtr->gridWin = NULL;
wmPtr->sizeHintsFlags &= ~(PBaseSize|PResizeInc);
if (wmPtr->width != -1) {
wmPtr->width = winPtr->reqWidth + (wmPtr->width
- wmPtr->reqGridWidth)*wmPtr->widthInc;
wmPtr->height = winPtr->reqHeight + (wmPtr->height
- wmPtr->reqGridHeight)*wmPtr->heightInc;
}
wmPtr->widthInc = 1;
wmPtr->heightInc = 1;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* ConfigureEvent --
*
* This procedure is called to handle ConfigureNotify events on
* wrapper windows.
*
* Results:
* None.
*
* Side effects:
* Information gets updated in the WmInfo structure for the window
* and the toplevel itself gets repositioned within the wrapper.
*
*----------------------------------------------------------------------
*/
static void
ConfigureEvent(wmPtr, configEventPtr)
WmInfo *wmPtr; /* Information about toplevel window. */
XConfigureEvent *configEventPtr; /* Event that just occurred for
* wmPtr->wrapperPtr. */
{
TkWindow *wrapperPtr = wmPtr->wrapperPtr;
TkWindow *winPtr = wmPtr->winPtr;
TkDisplay *dispPtr = wmPtr->winPtr->dispPtr;
Tk_ErrorHandler handler;
/*
* Update size information from the event. There are a couple of
* tricky points here:
*
* 1. If the user changed the size externally then set wmPtr->width
* and wmPtr->height just as if a "wm geometry" command had been
* invoked with the same information.
* 2. However, if the size is changing in response to a request
* coming from us (WM_SYNC_PENDING is set), then don't set wmPtr->width
* or wmPtr->height if they were previously -1 (otherwise the
* window will stop tracking geometry manager requests).
*/
if (((wrapperPtr->changes.width != configEventPtr->width)
|| (wrapperPtr->changes.height != configEventPtr->height))
&& !(wmPtr->flags & WM_SYNC_PENDING)){
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("TopLevelEventProc: user changed %s size to %dx%d\n",
winPtr->pathName, configEventPtr->width,
configEventPtr->height);
}
if ((wmPtr->width == -1)
&& (configEventPtr->width == winPtr->reqWidth)) {
/*
* Don't set external width, since the user didn't change it
* from what the widgets asked for.
*/
} else {
/*
* Note: if this window is embedded then don't set the external
* size, since it came from the containing application, not the
* user. In this case we want to keep sending our size requests
* to the containing application; if the user fixes the size
* of that application then it will still percolate down to us
* in the right way.
*/
if (!(winPtr->flags & TK_EMBEDDED)) {
if (wmPtr->gridWin != NULL) {
wmPtr->width = wmPtr->reqGridWidth
+ (configEventPtr->width
- winPtr->reqWidth)/wmPtr->widthInc;
if (wmPtr->width < 0) {
wmPtr->width = 0;
}
} else {
wmPtr->width = configEventPtr->width;
}
}
}
if ((wmPtr->height == -1)
&& (configEventPtr->height ==
(winPtr->reqHeight + wmPtr->menuHeight))) {
/*
* Don't set external height, since the user didn't change it
* from what the widgets asked for.
*/
} else {
/*
* See note for wmPtr->width about not setting external size
* for embedded windows.
*/
if (!(winPtr->flags & TK_EMBEDDED)) {
if (wmPtr->gridWin != NULL) {
wmPtr->height = wmPtr->reqGridHeight
+ (configEventPtr->height - wmPtr->menuHeight
- winPtr->reqHeight)/wmPtr->heightInc;
if (wmPtr->height < 0) {
wmPtr->height = 0;
}
} else {
wmPtr->height = configEventPtr->height - wmPtr->menuHeight;
}
}
}
wmPtr->configWidth = configEventPtr->width;
wmPtr->configHeight = configEventPtr->height;
}
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("ConfigureEvent: %s x = %d y = %d, width = %d, height = %d\n",
winPtr->pathName, configEventPtr->x, configEventPtr->y,
configEventPtr->width, configEventPtr->height);
printf(" send_event = %d, serial = %ld (win %p, wrapper %p)\n",
configEventPtr->send_event, configEventPtr->serial,
winPtr, wrapperPtr);
}
wrapperPtr->changes.width = configEventPtr->width;
wrapperPtr->changes.height = configEventPtr->height;
wrapperPtr->changes.border_width = configEventPtr->border_width;
wrapperPtr->changes.sibling = configEventPtr->above;
wrapperPtr->changes.stack_mode = Above;
/*
* Reparenting window managers make life difficult. If the
* window manager reparents a top-level window then the x and y
* information that comes in events for the window is wrong:
* it gives the location of the window inside its decorative
* parent, rather than the location of the window in root
* coordinates, which is what we want. Window managers
* are supposed to send synthetic events with the correct
* information, but ICCCM doesn't require them to do this
* under all conditions, and the information provided doesn't
* include everything we need here. So, the code below
* maintains a bunch of information about the parent window.
* If the window hasn't been reparented, we pretend that
* there is a parent shrink-wrapped around the window.
*/
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf(" %s parent == %p, above %p\n",
winPtr->pathName, (void *) wmPtr->reparent,
(void *) configEventPtr->above);
}
if ((wmPtr->reparent == None) || !ComputeReparentGeometry(wmPtr)) {
wmPtr->parentWidth = configEventPtr->width
+ 2*configEventPtr->border_width;
wmPtr->parentHeight = configEventPtr->height
+ 2*configEventPtr->border_width;
wrapperPtr->changes.x = wmPtr->x = configEventPtr->x;
wrapperPtr->changes.y = wmPtr->y = configEventPtr->y;
if (wmPtr->flags & WM_NEGATIVE_X) {
wmPtr->x = wmPtr->vRootWidth - (wmPtr->x + wmPtr->parentWidth);
}
if (wmPtr->flags & WM_NEGATIVE_Y) {
wmPtr->y = wmPtr->vRootHeight - (wmPtr->y + wmPtr->parentHeight);
}
}
/*
* Make sure that the toplevel and menubar are properly positioned within
* the wrapper. If the menuHeight happens to be zero, we'll get a
* BadValue X error that we want to ignore [Bug: 3377]
*/
handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
XMoveResizeWindow(winPtr->display, winPtr->window, 0,
wmPtr->menuHeight, (unsigned) wrapperPtr->changes.width,
(unsigned) (wrapperPtr->changes.height - wmPtr->menuHeight));
Tk_DeleteErrorHandler(handler);
if ((wmPtr->menubar != NULL)
&& ((Tk_Width(wmPtr->menubar) != wrapperPtr->changes.width)
|| (Tk_Height(wmPtr->menubar) != wmPtr->menuHeight))) {
Tk_MoveResizeWindow(wmPtr->menubar, 0, 0, wrapperPtr->changes.width,
wmPtr->menuHeight);
}
/*
* Update the coordinates in the toplevel (they should refer to the
* position in root window coordinates, not the coordinates of the
* wrapper window). Then synthesize a ConfigureNotify event to tell
* the application about the change.
*/
winPtr->changes.x = wrapperPtr->changes.x;
winPtr->changes.y = wrapperPtr->changes.y + wmPtr->menuHeight;
winPtr->changes.width = wrapperPtr->changes.width;
winPtr->changes.height = wrapperPtr->changes.height - wmPtr->menuHeight;
TkDoConfigureNotify(winPtr);
}
/*
*----------------------------------------------------------------------
*
* ReparentEvent --
*
* This procedure is called to handle ReparentNotify events on
* wrapper windows.
*
* Results:
* None.
*
* Side effects:
* Information gets updated in the WmInfo structure for the window.
*
*----------------------------------------------------------------------
*/
static void
ReparentEvent(wmPtr, reparentEventPtr)
WmInfo *wmPtr; /* Information about toplevel window. */
XReparentEvent *reparentEventPtr; /* Event that just occurred for
* wmPtr->wrapperPtr. */
{
TkWindow *wrapperPtr = wmPtr->wrapperPtr;
Window vRoot, ancestor, *children, dummy2, *virtualRootPtr;
Atom actualType;
int actualFormat;
unsigned long numItems, bytesAfter;
unsigned int dummy;
Tk_ErrorHandler handler;
TkDisplay *dispPtr = wmPtr->winPtr->dispPtr;
/*
* Identify the root window for wrapperPtr. This is tricky because of
* virtual root window managers like tvtwm. If the window has a
* property named __SWM_ROOT or __WM_ROOT then this property gives
* the id for a virtual root window that should be used instead of
* the root window of the screen.
*/
vRoot = RootWindow(wrapperPtr->display, wrapperPtr->screenNum);
wmPtr->vRoot = None;
handler = Tk_CreateErrorHandler(wrapperPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
if (((XGetWindowProperty(wrapperPtr->display, wrapperPtr->window,
Tk_InternAtom((Tk_Window) wrapperPtr, "__WM_ROOT"), 0, (long) 1,
False, XA_WINDOW, &actualType, &actualFormat, &numItems,
&bytesAfter, (unsigned char **) &virtualRootPtr) == Success)
&& (actualType == XA_WINDOW))
|| ((XGetWindowProperty(wrapperPtr->display, wrapperPtr->window,
Tk_InternAtom((Tk_Window) wrapperPtr, "__SWM_ROOT"), 0, (long) 1,
False, XA_WINDOW, &actualType, &actualFormat, &numItems,
&bytesAfter, (unsigned char **) &virtualRootPtr) == Success)
&& (actualType == XA_WINDOW))) {
if ((actualFormat == 32) && (numItems == 1)) {
vRoot = wmPtr->vRoot = *virtualRootPtr;
} else if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("%s format %d numItems %ld\n",
"ReparentEvent got bogus VROOT property:", actualFormat,
numItems);
}
XFree((char *) virtualRootPtr);
}
Tk_DeleteErrorHandler(handler);
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("ReparentEvent: %s (%p) reparented to 0x%x, vRoot = 0x%x\n",
wmPtr->winPtr->pathName, wmPtr->winPtr,
(unsigned int) reparentEventPtr->parent, (unsigned int) vRoot);
}
/*
* Fetch correct geometry information for the new virtual root.
*/
UpdateVRootGeometry(wmPtr);
/*
* If the window's new parent is the root window, then mark it as
* no longer reparented.
*/
if (reparentEventPtr->parent == vRoot) {
noReparent:
wmPtr->reparent = None;
wmPtr->parentWidth = wrapperPtr->changes.width;
wmPtr->parentHeight = wrapperPtr->changes.height;
wmPtr->xInParent = wmPtr->yInParent = 0;
wrapperPtr->changes.x = reparentEventPtr->x;
wrapperPtr->changes.y = reparentEventPtr->y;
wmPtr->winPtr->changes.x = reparentEventPtr->x;
wmPtr->winPtr->changes.y = reparentEventPtr->y + wmPtr->menuHeight;
return;
}
/*
* Search up the window hierarchy to find the ancestor of this
* window that is just below the (virtual) root. This is tricky
* because it's possible that things have changed since the event
* was generated so that the ancestry indicated by the event no
* longer exists. If this happens then an error will occur and
* we just discard the event (there will be a more up-to-date
* ReparentNotify event coming later).
*/
handler = Tk_CreateErrorHandler(wrapperPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
wmPtr->reparent = reparentEventPtr->parent;
while (1) {
if (XQueryTree(wrapperPtr->display, wmPtr->reparent, &dummy2,
&ancestor, &children, &dummy) == 0) {
Tk_DeleteErrorHandler(handler);
goto noReparent;
}
XFree((char *) children);
if ((ancestor == vRoot) ||
(ancestor == RootWindow(wrapperPtr->display,
wrapperPtr->screenNum))) {
break;
}
wmPtr->reparent = ancestor;
}
Tk_DeleteErrorHandler(handler);
if (!ComputeReparentGeometry(wmPtr)) {
goto noReparent;
}
}
/*
*----------------------------------------------------------------------
*
* ComputeReparentGeometry --
*
* This procedure is invoked to recompute geometry information
* related to a reparented top-level window, such as the position
* and total size of the parent and the position within it of
* the top-level window.
*
* Results:
* The return value is 1 if everything completed successfully
* and 0 if an error occurred while querying information about
* winPtr's parents. In this case winPtr is marked as no longer
* being reparented.
*
* Side effects:
* Geometry information in wmPtr, wmPtr->winPtr, and
* wmPtr->wrapperPtr gets updated.
*
*----------------------------------------------------------------------
*/
static int
ComputeReparentGeometry(wmPtr)
WmInfo *wmPtr; /* Information about toplevel window
* whose reparent info is to be recomputed. */
{
TkWindow *wrapperPtr = wmPtr->wrapperPtr;
int width, height, bd;
unsigned int dummy;
int xOffset, yOffset, x, y;
Window dummy2;
Status status;
Tk_ErrorHandler handler;
TkDisplay *dispPtr = wmPtr->winPtr->dispPtr;
handler = Tk_CreateErrorHandler(wrapperPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
(void) XTranslateCoordinates(wrapperPtr->display, wrapperPtr->window,
wmPtr->reparent, 0, 0, &xOffset, &yOffset, &dummy2);
status = XGetGeometry(wrapperPtr->display, wmPtr->reparent,
&dummy2, &x, &y, (unsigned int *) &width,
(unsigned int *) &height, (unsigned int *) &bd, &dummy);
Tk_DeleteErrorHandler(handler);
if (status == 0) {
/*
* It appears that the reparented parent went away and
* no-one told us. Reset the window to indicate that
* it's not reparented.
*/
wmPtr->reparent = None;
wmPtr->xInParent = wmPtr->yInParent = 0;
return 0;
}
wmPtr->xInParent = xOffset + bd;
wmPtr->yInParent = yOffset + bd;
wmPtr->parentWidth = width + 2*bd;
wmPtr->parentHeight = height + 2*bd;
/*
* Some tricky issues in updating wmPtr->x and wmPtr->y:
*
* 1. Don't update them if the event occurred because of something
* we did (i.e. WM_SYNC_PENDING and WM_MOVE_PENDING are both set).
* This is because window managers treat coords differently than Tk,
* and no two window managers are alike. If the window manager moved
* the window because we told it to, remember the coordinates we told
* it, not the ones it actually moved it to. This allows us to move
* the window back to the same coordinates later and get the same
* result. Without this check, windows can "walk" across the screen
* under some conditions.
*
* 2. Don't update wmPtr->x and wmPtr->y unless wrapperPtr->changes.x
* or wrapperPtr->changes.y has changed (otherwise a size change can
* spoof us into thinking that the position changed too and defeat
* the intent of (1) above.
*
* (As of 9/96 the above 2 comments appear to be stale. They're
* being left in place as a reminder of what was once true (and
* perhaps should still be true?)).
*
* 3. Ignore size changes coming from the window system if we're
* about to change the size ourselves but haven't seen the event for
* it yet: our size change is supposed to take priority.
*/
if (!(wmPtr->flags & WM_MOVE_PENDING)
&& ((wrapperPtr->changes.x != (x + wmPtr->xInParent))
|| (wrapperPtr->changes.y != (y + wmPtr->yInParent)))) {
wmPtr->x = x;
if (wmPtr->flags & WM_NEGATIVE_X) {
wmPtr->x = wmPtr->vRootWidth - (wmPtr->x + wmPtr->parentWidth);
}
wmPtr->y = y;
if (wmPtr->flags & WM_NEGATIVE_Y) {
wmPtr->y = wmPtr->vRootHeight - (wmPtr->y + wmPtr->parentHeight);
}
}
wrapperPtr->changes.x = x + wmPtr->xInParent;
wrapperPtr->changes.y = y + wmPtr->yInParent;
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("wrapperPtr %p coords %d,%d\n",
wrapperPtr, wrapperPtr->changes.x, wrapperPtr->changes.y);
printf(" wmPtr %p coords %d,%d, offsets %d %d\n",
wmPtr, wmPtr->x, wmPtr->y, wmPtr->xInParent, wmPtr->yInParent);
}
return 1;
}
/*
*----------------------------------------------------------------------
*
* WrapperEventProc --
*
* This procedure is invoked by the event loop when a wrapper window
* is restructured.
*
* Results:
* None.
*
* Side effects:
* Tk's internal data structures for the window get modified to
* reflect the structural change.
*
*----------------------------------------------------------------------
*/
static void
WrapperEventProc(clientData, eventPtr)
ClientData clientData; /* Information about toplevel window. */
XEvent *eventPtr; /* Event that just happened. */
{
WmInfo *wmPtr = (WmInfo *) clientData;
XEvent mapEvent;
TkDisplay *dispPtr = wmPtr->winPtr->dispPtr;
wmPtr->flags |= WM_VROOT_OFFSET_STALE;
if (eventPtr->type == DestroyNotify) {
Tk_ErrorHandler handler;
if (!(wmPtr->wrapperPtr->flags & TK_ALREADY_DEAD)) {
/*
* A top-level window was deleted externally (e.g., by the window
* manager). This is probably not a good thing, but cleanup as
* best we can. The error handler is needed because
* Tk_DestroyWindow will try to destroy the window, but of course
* it's already gone.
*/
handler = Tk_CreateErrorHandler(wmPtr->winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
Tk_DestroyWindow((Tk_Window) wmPtr->winPtr);
Tk_DeleteErrorHandler(handler);
}
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("TopLevelEventProc: %s deleted\n", wmPtr->winPtr->pathName);
}
} else if (eventPtr->type == ConfigureNotify) {
/*
* Ignore the event if the window has never been mapped yet.
* Such an event occurs only in weird cases like changing the
* internal border width of a top-level window, which results
* in a synthetic Configure event. These events are not relevant
* to us, and if we process them confusion may result (e.g. we
* may conclude erroneously that the user repositioned or resized
* the window).
*/
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
ConfigureEvent(wmPtr, &eventPtr->xconfigure);
}
} else if (eventPtr->type == MapNotify) {
wmPtr->wrapperPtr->flags |= TK_MAPPED;
wmPtr->winPtr->flags |= TK_MAPPED;
XMapWindow(wmPtr->winPtr->display, wmPtr->winPtr->window);
goto doMapEvent;
} else if (eventPtr->type == UnmapNotify) {
wmPtr->wrapperPtr->flags &= ~TK_MAPPED;
wmPtr->winPtr->flags &= ~TK_MAPPED;
XUnmapWindow(wmPtr->winPtr->display, wmPtr->winPtr->window);
goto doMapEvent;
} else if (eventPtr->type == ReparentNotify) {
ReparentEvent(wmPtr, &eventPtr->xreparent);
} else if (0 && eventPtr->type == Expose) {
mapEvent = *eventPtr;
mapEvent.xexpose.window = wmPtr->winPtr->window;
Tk_HandleEvent(&mapEvent);
}
return;
doMapEvent:
mapEvent = *eventPtr;
mapEvent.xmap.event = wmPtr->winPtr->window;
mapEvent.xmap.window = wmPtr->winPtr->window;
Tk_HandleEvent(&mapEvent);
}
/*
*----------------------------------------------------------------------
*
* TopLevelReqProc --
*
* This procedure is invoked by the geometry manager whenever
* the requested size for a top-level window is changed.
*
* Results:
* None.
*
* Side effects:
* Arrange for the window to be resized to satisfy the request
* (this happens as a when-idle action).
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
static void
TopLevelReqProc(dummy, tkwin)
ClientData dummy; /* Not used. */
Tk_Window tkwin; /* Information about window. */
{
TkWindow *winPtr = (TkWindow *) tkwin;
WmInfo *wmPtr;
wmPtr = winPtr->wmInfoPtr;
if ((wmPtr->width >= 0) && (wmPtr->height >= 0)) {
/*
* Explicit dimensions have been set for this window, so we
* should ignore the geometry request. It's actually important
* to ignore the geometry request because, due to quirks in
* window managers, invoking UpdateGeometryInfo may cause the
* window to move. For example, if "wm geometry -10-20" was
* invoked, the window may be positioned incorrectly the first
* time it appears (because we didn't know the proper width of
* the window manager borders); if we invoke UpdateGeometryInfo
* again, the window will be positioned correctly, which may
* cause it to jump on the screen.
*/
return;
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
/*
* If the window isn't being positioned by its upper left corner
* then we have to move it as well.
*/
if (wmPtr->flags & (WM_NEGATIVE_X | WM_NEGATIVE_Y)) {
wmPtr->flags |= WM_MOVE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* UpdateGeometryInfo --
*
* This procedure is invoked when a top-level window is first
* mapped, and also as a when-idle procedure, to bring the
* geometry and/or position of a top-level window back into
* line with what has been requested by the user and/or widgets.
* This procedure doesn't return until the window manager has
* responded to the geometry change.
*
* Results:
* None.
*
* Side effects:
* The size and location of both the toplevel window and its wrapper
* may change, unless the WM prevents that from happening.
*
*----------------------------------------------------------------------
*/
static void
UpdateGeometryInfo(clientData)
ClientData clientData; /* Pointer to the window's record. */
{
register TkWindow *winPtr = (TkWindow *) clientData;
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int x, y, width, height;
unsigned long serial;
wmPtr->flags &= ~WM_UPDATE_PENDING;
/*
* Compute the new size for the top-level window. See the
* user documentation for details on this, but the size
* requested depends on (a) the size requested internally
* by the window's widgets, (b) the size requested by the
* user in a "wm geometry" command or via wm-based interactive
* resizing (if any), and (c) whether or not the window is
* gridded. Don't permit sizes <= 0 because this upsets
* the X server.
*/
if (wmPtr->width == -1) {
width = winPtr->reqWidth;
} else if (wmPtr->gridWin != NULL) {
width = winPtr->reqWidth
+ (wmPtr->width - wmPtr->reqGridWidth)*wmPtr->widthInc;
} else {
width = wmPtr->width;
}
if (width <= 0) {
width = 1;
}
if (wmPtr->height == -1) {
height = winPtr->reqHeight;
} else if (wmPtr->gridWin != NULL) {
height = winPtr->reqHeight
+ (wmPtr->height - wmPtr->reqGridHeight)*wmPtr->heightInc;
} else {
height = wmPtr->height;
}
if (height <= 0) {
height = 1;
}
/*
* Compute the new position for the upper-left pixel of the window's
* decorative frame. This is tricky, because we need to include the
* border widths supplied by a reparented parent in this calculation,
* but can't use the parent's current overall size since that may
* change as a result of this code.
*/
if (wmPtr->flags & WM_NEGATIVE_X) {
x = wmPtr->vRootWidth - wmPtr->x
- (width + (wmPtr->parentWidth - winPtr->changes.width));
} else {
x = wmPtr->x;
}
if (wmPtr->flags & WM_NEGATIVE_Y) {
y = wmPtr->vRootHeight - wmPtr->y
- (height + (wmPtr->parentHeight - winPtr->changes.height));
} else {
y = wmPtr->y;
}
/*
* If the window's size is going to change and the window is
* supposed to not be resizable by the user, then we have to
* update the size hints. There may also be a size-hint-update
* request pending from somewhere else, too.
*/
if (((width != winPtr->changes.width)
|| (height != winPtr->changes.height))
&& (wmPtr->gridWin == NULL)
&& ((wmPtr->sizeHintsFlags & (PMinSize|PMaxSize)) == 0)) {
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
}
if (wmPtr->flags & WM_UPDATE_SIZE_HINTS) {
UpdateSizeHints(winPtr);
}
/*
* Reconfigure the wrapper if it isn't already configured correctly.
* A few tricky points:
*
* 1. If the window is embeddedand the container is also in this
* process, don't actually reconfigure the window; just pass the
* desired size on to the container. Also, zero out any position
* information, since embedded windows are not allowed to move.
* 2. Sometimes the window manager will give us a different size
* than we asked for (e.g. mwm has a minimum size for windows), so
* base the size check on what we *asked for* last time, not what we
* got.
* 3. Can't just reconfigure always, because we may not get a
* ConfigureNotify event back if nothing changed, so
* WaitForConfigureNotify will hang a long time.
* 4. Don't move window unless a new position has been requested for
* it. This is because of "features" in some window managers (e.g.
* twm, as of 4/24/91) where they don't interpret coordinates
* according to ICCCM. Moving a window to its current location may
* cause it to shift position on the screen.
*/
if ((winPtr->flags & (TK_EMBEDDED|TK_BOTH_HALVES))
== (TK_EMBEDDED|TK_BOTH_HALVES)) {
/*
* This window is embedded and the container is also in this
* process, so we don't need to do anything special about the
* geometry, except to make sure that the desired size is known
* by the container. Also, zero out any position information,
* since embedded windows are not allowed to move.
*/
wmPtr->x = wmPtr->y = 0;
wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y);
height += wmPtr->menuHeight;
Tk_GeometryRequest((Tk_Window) TkpGetOtherWindow(winPtr),
width, height);
return;
}
serial = NextRequest(winPtr->display);
height += wmPtr->menuHeight;
if (wmPtr->flags & WM_MOVE_PENDING) {
if ((x + wmPtr->xInParent == winPtr->changes.x) &&
(y + wmPtr->yInParent + wmPtr->menuHeight == winPtr->changes.y)
&& (width == wmPtr->wrapperPtr->changes.width)
&& (height == wmPtr->wrapperPtr->changes.height)) {
/*
* The window already has the correct geometry, so don't bother
* to configure it; the X server appears to ignore these
* requests, so we won't get back a ConfigureNotify and the
* WaitForConfigureNotify call below will hang for a while.
*/
wmPtr->flags &= ~WM_MOVE_PENDING;
return;
}
wmPtr->configWidth = width;
wmPtr->configHeight = height;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("UpdateGeometryInfo moving to %d %d, resizing to %d x %d,\n",
x, y, width, height);
}
XMoveResizeWindow(winPtr->display, wmPtr->wrapperPtr->window, x, y,
(unsigned) width, (unsigned) height);
} else if ((width != wmPtr->configWidth)
|| (height != wmPtr->configHeight)) {
if ((width == wmPtr->wrapperPtr->changes.width)
&& (height == wmPtr->wrapperPtr->changes.height)) {
/*
* The window is already just the size we want, so don't bother
* to configure it; the X server appears to ignore these
* requests, so we won't get back a ConfigureNotify and the
* WaitForConfigureNotify call below will hang for a while.
*/
return;
}
wmPtr->configWidth = width;
wmPtr->configHeight = height;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("UpdateGeometryInfo resizing %p to %d x %d\n",
(void *)wmPtr->wrapperPtr->window, width, height);
}
XResizeWindow(winPtr->display, wmPtr->wrapperPtr->window,
(unsigned) width, (unsigned) height);
} else if ((wmPtr->menubar != NULL)
&& ((Tk_Width(wmPtr->menubar) != wmPtr->wrapperPtr->changes.width)
|| (Tk_Height(wmPtr->menubar) != wmPtr->menuHeight))) {
/*
* It is possible that the window's overall size has not changed
* but the menu size has.
*/
Tk_MoveResizeWindow(wmPtr->menubar, 0, 0,
wmPtr->wrapperPtr->changes.width, wmPtr->menuHeight);
XResizeWindow(winPtr->display, wmPtr->wrapperPtr->window,
(unsigned) width, (unsigned) height);
} else {
return;
}
/*
* Wait for the configure operation to complete. Don't need to do
* this, however, if the window is about to be mapped: it will be
* taken care of elsewhere.
*/
if (!(wmPtr->flags & WM_ABOUT_TO_MAP)) {
WaitForConfigureNotify(winPtr, serial);
}
}
/*
*--------------------------------------------------------------
*
* UpdateSizeHints --
*
* This procedure is called to update the window manager's
* size hints information from the information in a WmInfo
* structure.
*
* Results:
* None.
*
* Side effects:
* Properties get changed for winPtr.
*
*--------------------------------------------------------------
*/
static void
UpdateSizeHints(winPtr)
TkWindow *winPtr;
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
XSizeHints *hintsPtr;
int maxWidth, maxHeight;
wmPtr->flags &= ~WM_UPDATE_SIZE_HINTS;
hintsPtr = XAllocSizeHints();
if (hintsPtr == NULL) {
return;
}
/*
* Compute the pixel-based sizes for the various fields in the
* size hints structure, based on the grid-based sizes in
* our structure.
*/
GetMaxSize(wmPtr, &maxWidth, &maxHeight);
if (wmPtr->gridWin != NULL) {
hintsPtr->base_width = winPtr->reqWidth
- (wmPtr->reqGridWidth * wmPtr->widthInc);
if (hintsPtr->base_width < 0) {
hintsPtr->base_width = 0;
}
hintsPtr->base_height = winPtr->reqHeight + wmPtr->menuHeight
- (wmPtr->reqGridHeight * wmPtr->heightInc);
if (hintsPtr->base_height < 0) {
hintsPtr->base_height = 0;
}
hintsPtr->min_width = hintsPtr->base_width
+ (wmPtr->minWidth * wmPtr->widthInc);
hintsPtr->min_height = hintsPtr->base_height
+ (wmPtr->minHeight * wmPtr->heightInc);
hintsPtr->max_width = hintsPtr->base_width
+ (maxWidth * wmPtr->widthInc);
hintsPtr->max_height = hintsPtr->base_height
+ (maxHeight * wmPtr->heightInc);
} else {
hintsPtr->min_width = wmPtr->minWidth;
hintsPtr->min_height = wmPtr->minHeight;
hintsPtr->max_width = maxWidth;
hintsPtr->max_height = maxHeight;
hintsPtr->base_width = 0;
hintsPtr->base_height = 0;
}
hintsPtr->width_inc = wmPtr->widthInc;
hintsPtr->height_inc = wmPtr->heightInc;
hintsPtr->min_aspect.x = wmPtr->minAspect.x;
hintsPtr->min_aspect.y = wmPtr->minAspect.y;
hintsPtr->max_aspect.x = wmPtr->maxAspect.x;
hintsPtr->max_aspect.y = wmPtr->maxAspect.y;
hintsPtr->win_gravity = wmPtr->gravity;
hintsPtr->flags = wmPtr->sizeHintsFlags | PMinSize;
/*
* If the window isn't supposed to be resizable, then set the
* minimum and maximum dimensions to be the same.
*/
if (wmPtr->flags & WM_WIDTH_NOT_RESIZABLE) {
if (wmPtr->width >= 0) {
hintsPtr->min_width = wmPtr->width;
} else {
hintsPtr->min_width = winPtr->reqWidth;
}
hintsPtr->max_width = hintsPtr->min_width;
}
if (wmPtr->flags & WM_HEIGHT_NOT_RESIZABLE) {
if (wmPtr->height >= 0) {
hintsPtr->min_height = wmPtr->height;
} else {
hintsPtr->min_height = winPtr->reqHeight + wmPtr->menuHeight;
}
hintsPtr->max_height = hintsPtr->min_height;
}
XSetWMNormalHints(winPtr->display, wmPtr->wrapperPtr->window, hintsPtr);
XFree((char *) hintsPtr);
}
/*
*----------------------------------------------------------------------
*
* WaitForConfigureNotify --
*
* This procedure is invoked in order to synchronize with the
* window manager. It waits for a ConfigureNotify event to
* arrive, signalling that the window manager has seen an attempt
* on our part to move or resize a top-level window.
*
* Results:
* None.
*
* Side effects:
* Delays the execution of the process until a ConfigureNotify event
* arrives with serial number at least as great as serial. This
* is useful for two reasons:
*
* 1. It's important to distinguish ConfigureNotify events that are
* coming in response to a request we've made from those generated
* spontaneously by the user. The reason for this is that if the
* user resizes the window we take that as an order to ignore
* geometry requests coming from inside the window hierarchy. If
* we accidentally interpret a response to our request as a
* user-initiated action, the window will stop responding to
* new geometry requests. To make this distinction, (a) this
* procedure sets a flag for TopLevelEventProc to indicate that
* we're waiting to sync with the wm, and (b) all changes to
* the size of a top-level window are followed by calls to this
* procedure.
* 2. Races and confusion can come about if there are multiple
* operations outstanding at a time (e.g. two different resizes
* of the top-level window: it's hard to tell which of the
* ConfigureNotify events coming back is for which request).
* While waiting, some events covered by StructureNotifyMask are
* processed (ConfigureNotify, MapNotify, and UnmapNotify)
* and all others are deferred.
*
*----------------------------------------------------------------------
*/
static void
WaitForConfigureNotify(winPtr, serial)
TkWindow *winPtr; /* Top-level window for which we want
* to see a ConfigureNotify. */
unsigned long serial; /* Serial number of resize request. Want to
* be sure wm has seen this. */
{
WmInfo *wmPtr = winPtr->wmInfoPtr;
XEvent event;
int diff, code;
int gotConfig = 0;
Window window = (wmPtr->reparent != None) ? wmPtr->reparent : wmPtr->wrapperPtr->window;
/*
* One more tricky detail about this procedure. In some cases the
* window manager will decide to ignore a configure request (e.g.
* because it thinks the window is already in the right place).
* To avoid hanging in this situation, only wait for a few seconds,
* then give up.
*/
/*
* Note too that if window manager has reparented the window it may achieve
* the result by configuring the parent so we need to watch the parent too.
*/
if (window != wmPtr->wrapperPtr->window) {
Tk_ErrorHandler handler;
/*
* We're going to have to wait for events on a window that
* Tk doesn't own, so we have to tell X specially that we
* want to get events on that window. To make matters worse,
* it's possible that the window doesn't exist anymore (e.g.
* the toplevel could have been withdrawn) so ignore events
* occurring during the request.
*/
handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
XSelectInput(winPtr->display, window, StructureNotifyMask);
Tk_DeleteErrorHandler(handler);
}
while (!gotConfig) {
wmPtr->flags |= WM_SYNC_PENDING;
code = WaitForEvent(winPtr->display, wmPtr, ConfigureNotify, &event);
wmPtr->flags &= ~WM_SYNC_PENDING;
if (code != TCL_OK) {
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("WaitForConfigureNotify giving up on %s\n",
winPtr->pathName);
}
break;
}
diff = event.xconfigure.serial - serial;
if (diff >= 0) {
gotConfig = 1;
}
}
wmPtr->flags &= ~WM_MOVE_PENDING;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("WaitForConfigureNotify finished with %s, serial %ld\n",
winPtr->pathName, serial);
}
if (window != wmPtr->wrapperPtr->window) {
Tk_ErrorHandler handler;
/*
* Ignore errors that occur when we are de-selecting events on
* window, since it's possible that the window doesn't exist
* anymore (see comment above previous call to XSelectInput).
*/
handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
XSelectInput(winPtr->display, window, (long) 0);
Tk_DeleteErrorHandler(handler);
}
}
/*
*----------------------------------------------------------------------
*
* WaitForEvent --
*
* This procedure is used by WaitForConfigureNotify and
* WaitForMapNotify to wait for an event of a certain type
* to arrive.
*
* Results:
* Under normal conditions, TCL_OK is returned and an event for
* display and window that matches "mask" is stored in *eventPtr.
* This event has already been processed by Tk before this procedure
* returns. If a long time goes by with no event of the right type
* arriving, or if an error occurs while waiting for the event to
* arrive, then TCL_ERROR is returned.
*
* Side effects:
* While waiting for the desired event to occur, Configurenotify,
* MapNotify, and UnmapNotify events for window are processed,
* as are all ReparentNotify events.
*
*----------------------------------------------------------------------
*/
static int
WaitForEvent(display, wmInfoPtr, type, eventPtr)
Display *display; /* Display event is coming from. */
WmInfo *wmInfoPtr; /* Window for which event is desired. */
int type; /* Type of event that is wanted. */
XEvent *eventPtr; /* Place to store event. */
{
WaitRestrictInfo info;
Tk_RestrictProc *oldRestrictProc;
ClientData oldRestrictData;
Tcl_Time timeout;
/*
* Set up an event filter to select just the events we want, and
* a timer handler, then wait for events until we get the event
* we want or a timeout happens.
*/
info.display = display;
info.wmInfoPtr = wmInfoPtr;
info.type = type;
info.eventPtr = eventPtr;
info.foundEvent = 0;
oldRestrictProc = Tk_RestrictEvents(WaitRestrictProc, (ClientData) &info,
&oldRestrictData);
Tcl_GetTime(&timeout);
timeout.sec += 2;
while (!info.foundEvent) {
if (!TkUnixDoOneXEvent(&timeout)) {
break;
}
}
(void) Tk_RestrictEvents(oldRestrictProc, oldRestrictData,
&oldRestrictData);
if (info.foundEvent) {
return TCL_OK;
}
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* WaitRestrictProc --
*
* This procedure is a Tk_RestrictProc that is used to filter
* events while WaitForEvent is active.
*
* Results:
* Returns TK_PROCESS_EVENT if the right event is found. Also
* returns TK_PROCESS_EVENT if any ReparentNotify event is found
* or if the event is a ConfigureNotify, MapNotify, or UnmapNotify
* for window. Otherwise returns TK_DEFER_EVENT.
*
* Side effects:
* An event may get stored in the area indicated by the caller
* of WaitForEvent.
*
*----------------------------------------------------------------------
*/
static Tk_RestrictAction
WaitRestrictProc(clientData, eventPtr)
ClientData clientData; /* Pointer to WaitRestrictInfo structure. */
XEvent *eventPtr; /* Event that is about to be handled. */
{
WaitRestrictInfo *infoPtr = (WaitRestrictInfo *) clientData;
if (eventPtr->type == SelectionNotify) {
return TK_PROCESS_EVENT;
}
if (eventPtr->type == ReparentNotify) {
return TK_PROCESS_EVENT;
}
if (((eventPtr->xany.window != infoPtr->wmInfoPtr->wrapperPtr->window)
&& (eventPtr->xany.window != infoPtr->wmInfoPtr->reparent))
|| (eventPtr->xany.display != infoPtr->display)) {
return TK_DEFER_EVENT;
}
if (eventPtr->type == infoPtr->type) {
*infoPtr->eventPtr = *eventPtr;
infoPtr->foundEvent = 1;
return TK_PROCESS_EVENT;
}
if (eventPtr->type == ConfigureNotify
|| eventPtr->type == MapNotify
|| eventPtr->type == UnmapNotify) {
return TK_PROCESS_EVENT;
}
return TK_DEFER_EVENT;
}
/*
*----------------------------------------------------------------------
*
* WaitForMapNotify --
*
* This procedure is invoked in order to synchronize with the
* window manager. It waits for the window's mapped state to
* reach the value given by mapped.
*
* Results:
* None.
*
* Side effects:
* Delays the execution of the process until winPtr becomes mapped
* or unmapped, depending on the "mapped" argument. This allows us
* to synchronize with the window manager, and allows us to
* identify changes in window size that come about when the window
* manager first starts managing the window (as opposed to those
* requested interactively by the user later). See the comments
* for WaitForConfigureNotify and WM_SYNC_PENDING. While waiting,
* some events covered by StructureNotifyMask are processed and all
* others are deferred.
*
*----------------------------------------------------------------------
*/
static void
WaitForMapNotify(winPtr, mapped)
TkWindow *winPtr; /* Top-level window for which we want
* to see a particular mapping state. */
int mapped; /* If non-zero, wait for window to become
* mapped, otherwise wait for it to become
* unmapped. */
{
WmInfo *wmPtr = winPtr->wmInfoPtr;
XEvent event;
int code;
while (1) {
if (mapped) {
if (winPtr->flags & TK_MAPPED) {
break;
}
} else if (!(winPtr->flags & TK_MAPPED)) {
break;
}
wmPtr->flags |= WM_SYNC_PENDING;
code = WaitForEvent(winPtr->display, wmPtr,
mapped ? MapNotify : UnmapNotify, &event);
wmPtr->flags &= ~WM_SYNC_PENDING;
if (code != TCL_OK) {
/*
* There are some bizarre situations in which the window
* manager can't respond or chooses not to (e.g. if we've
* got a grab set it can't respond). If this happens then
* just quit.
*/
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("WaitForMapNotify giving up on %s\n", winPtr->pathName);
}
break;
}
}
wmPtr->flags &= ~WM_MOVE_PENDING;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("WaitForMapNotify finished with %s (winPtr %p, wmPtr %p)\n",
winPtr->pathName, winPtr, wmPtr);
}
}
/*
*--------------------------------------------------------------
*
* UpdateHints --
*
* This procedure is called to update the window manager's
* hints information from the information in a WmInfo
* structure.
*
* Results:
* None.
*
* Side effects:
* Properties get changed for winPtr.
*
*--------------------------------------------------------------
*/
static void
UpdateHints(winPtr)
TkWindow *winPtr;
{
WmInfo *wmPtr = winPtr->wmInfoPtr;
if (wmPtr->flags & WM_NEVER_MAPPED) {
return;
}
XSetWMHints(winPtr->display, wmPtr->wrapperPtr->window, &wmPtr->hints);
}
/*
*--------------------------------------------------------------
*
* ParseGeometry --
*
* This procedure parses a geometry string and updates
* information used to control the geometry of a top-level
* window.
*
* Results:
* A standard Tcl return value, plus an error message in
* the interp's result if an error occurs.
*
* Side effects:
* The size and/or location of winPtr may change.
*
*--------------------------------------------------------------
*/
static int
ParseGeometry(interp, string, winPtr)
Tcl_Interp *interp; /* Used for error reporting. */
char *string; /* String containing new geometry. Has the
* standard form "=wxh+x+y". */
TkWindow *winPtr; /* Pointer to top-level window whose
* geometry is to be changed. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
int x, y, width, height, flags;
char *end;
register char *p = string;
/*
* The leading "=" is optional.
*/
if (*p == '=') {
p++;
}
/*
* Parse the width and height, if they are present. Don't
* actually update any of the fields of wmPtr until we've
* successfully parsed the entire geometry string.
*/
width = wmPtr->width;
height = wmPtr->height;
x = wmPtr->x;
y = wmPtr->y;
flags = wmPtr->flags;
if (isdigit(UCHAR(*p))) {
width = strtoul(p, &end, 10);
p = end;
if (*p != 'x') {
goto error;
}
p++;
if (!isdigit(UCHAR(*p))) {
goto error;
}
height = strtoul(p, &end, 10);
p = end;
}
/*
* Parse the X and Y coordinates, if they are present.
*/
if (*p != '\0') {
flags &= ~(WM_NEGATIVE_X | WM_NEGATIVE_Y);
if (*p == '-') {
flags |= WM_NEGATIVE_X;
} else if (*p != '+') {
goto error;
}
p++;
if (!isdigit(UCHAR(*p)) && (*p != '-')) {
goto error;
}
x = strtol(p, &end, 10);
p = end;
if (*p == '-') {
flags |= WM_NEGATIVE_Y;
} else if (*p != '+') {
goto error;
}
p++;
if (!isdigit(UCHAR(*p)) && (*p != '-')) {
goto error;
}
y = strtol(p, &end, 10);
if (*end != '\0') {
goto error;
}
/*
* Assume that the geometry information came from the user,
* unless an explicit source has been specified. Otherwise
* most window managers assume that the size hints were
* program-specified and they ignore them.
*/
if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) {
wmPtr->sizeHintsFlags |= USPosition;
flags |= WM_UPDATE_SIZE_HINTS;
}
}
/*
* Everything was parsed OK. Update the fields of *wmPtr and
* arrange for the appropriate information to be percolated out
* to the window manager at the next idle moment.
*/
wmPtr->width = width;
wmPtr->height = height;
wmPtr->x = x;
wmPtr->y = y;
flags |= WM_MOVE_PENDING;
wmPtr->flags = flags;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
return TCL_OK;
error:
Tcl_AppendResult(interp, "bad geometry specifier \"",
string, "\"", (char *) NULL);
return TCL_ERROR;
}
/*
*----------------------------------------------------------------------
*
* Tk_GetRootCoords --
*
* Given a token for a window, this procedure traces through the
* window's lineage to find the (virtual) root-window coordinates
* corresponding to point (0,0) in the window.
*
* Results:
* The locations pointed to by xPtr and yPtr are filled in with
* the root coordinates of the (0,0) point in tkwin. If a virtual
* root window is in effect for the window, then the coordinates
* in the virtual root are returned.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
Tk_GetRootCoords(tkwin, xPtr, yPtr)
Tk_Window tkwin; /* Token for window. */
int *xPtr; /* Where to store x-displacement of (0,0). */
int *yPtr; /* Where to store y-displacement of (0,0). */
{
int x, y;
register TkWindow *winPtr = (TkWindow *) tkwin;
/*
* Search back through this window's parents all the way to a
* top-level window, combining the offsets of each window within
* its parent.
*/
x = y = 0;
while (1) {
x += winPtr->changes.x + winPtr->changes.border_width;
y += winPtr->changes.y + winPtr->changes.border_width;
if ((winPtr->wmInfoPtr != NULL)
&& (winPtr->wmInfoPtr->menubar == (Tk_Window) winPtr)) {
/*
* This window is a special menubar; switch over to its
* associated toplevel, compensate for their differences in
* y coordinates, then continue with the toplevel (in case
* it's embedded).
*/
y -= winPtr->wmInfoPtr->menuHeight;
winPtr = winPtr->wmInfoPtr->winPtr;
continue;
}
if (winPtr->flags & TK_TOP_LEVEL) {
TkWindow *otherPtr;
if (!(winPtr->flags & TK_EMBEDDED)) {
break;
}
otherPtr = TkpGetOtherWindow(winPtr);
if (otherPtr == NULL) {
/*
* The container window is not in the same application.
* Query the X server.
*/
Window root, dummyChild;
int rootX, rootY;
root = winPtr->wmInfoPtr->vRoot;
if (root == None) {
root = RootWindowOfScreen(Tk_Screen((Tk_Window)winPtr));
}
XTranslateCoordinates(winPtr->display, winPtr->window,
root, 0, 0, &rootX, &rootY, &dummyChild);
x += rootX;
y += rootY;
break;
} else {
/*
* The container window is in the same application.
* Let's query its coordinates.
*/
winPtr = otherPtr;
continue;
}
}
winPtr = winPtr->parentPtr;
if (winPtr == NULL) {
break;
}
}
*xPtr = x;
*yPtr = y;
}
/*
*----------------------------------------------------------------------
*
* Tk_CoordsToWindow --
*
* Given the (virtual) root coordinates of a point, this procedure
* returns the token for the top-most window covering that point,
* if there exists such a window in this application.
*
* Results:
* The return result is either a token for the window corresponding
* to rootX and rootY, or else NULL to indicate that there is no such
* window.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
Tk_Window
Tk_CoordsToWindow(rootX, rootY, tkwin)
int rootX, rootY; /* Coordinates of point in root window. If
* a virtual-root window manager is in use,
* these coordinates refer to the virtual
* root, not the real root. */
Tk_Window tkwin; /* Token for any window in application;
* used to identify the display. */
{
Window window, parent, child;
int x, y, childX, childY, tmpx, tmpy, bd;
WmInfo *wmPtr;
TkWindow *winPtr, *childPtr, *nextPtr;
TkDisplay *dispPtr = ((TkWindow *) tkwin)->dispPtr;
Tk_ErrorHandler handler = NULL;
/*
* Step 1: scan the list of toplevel windows to see if there is a
* virtual root for the screen we're interested in. If so, we have
* to translate the coordinates from virtual root to root
* coordinates.
*/
parent = window = RootWindowOfScreen(Tk_Screen(tkwin));
x = rootX;
y = rootY;
for (wmPtr = (WmInfo *) dispPtr->firstWmPtr; wmPtr != NULL; wmPtr = wmPtr->nextPtr) {
if (Tk_Screen(wmPtr->winPtr) != Tk_Screen(tkwin)) {
continue;
}
if (wmPtr->vRoot == None) {
continue;
}
UpdateVRootGeometry(wmPtr);
parent = wmPtr->vRoot;
break;
}
/*
* Step 2: work down through the window hierarchy starting at the
* root. For each window, find the child that contains the given
* point and then see if this child is either a wrapper for one of
* our toplevel windows or a window manager decoration window for
* one of our toplevels. This approach handles several tricky
* cases:
*
* 1. There may be a virtual root window between the root and one of
* our toplevels.
* 2. If a toplevel is embedded, we may have to search through the
* windows of the container application(s) before getting to
* the toplevel.
*/
handler = Tk_CreateErrorHandler(Tk_Display(tkwin), -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
while (1) {
if (XTranslateCoordinates(Tk_Display(tkwin), parent, window,
x, y, &childX, &childY, &child) == False) {
/*
* We can end up here when the window is in the middle of
* being deleted
*/
Tk_DeleteErrorHandler(handler);
return NULL;
}
if (child == None) {
Tk_DeleteErrorHandler(handler);
return NULL;
}
for (wmPtr = (WmInfo *) dispPtr->firstWmPtr; wmPtr != NULL;
wmPtr = wmPtr->nextPtr) {
if (wmPtr->reparent == child) {
goto gotToplevel;
}
if (wmPtr->wrapperPtr != NULL) {
if (child == wmPtr->wrapperPtr->window) {
goto gotToplevel;
}
} else if (child == wmPtr->winPtr->window) {
goto gotToplevel;
}
}
x = childX;
y = childY;
parent = window;
window = child;
}
gotToplevel:
if (handler) {
/*
* Check value of handler, because we can reach this label
* from above or below
*/
Tk_DeleteErrorHandler(handler);
handler = NULL;
}
winPtr = wmPtr->winPtr;
if (winPtr->mainPtr != ((TkWindow *) tkwin)->mainPtr) {
return NULL;
}
/*
* Step 3: at this point winPtr and wmPtr refer to the toplevel that
* contains the given coordinates, and childX and childY give the
* translated coordinates in the *parent* of the toplevel. Now
* decide whether the coordinates are in the menubar or the actual
* toplevel, and translate the coordinates into the coordinate
* system of that window.
*/
x = childX - winPtr->changes.x;
y = childY - winPtr->changes.y;
if ((x < 0) || (x >= winPtr->changes.width)
|| (y >= winPtr->changes.height)) {
return NULL;
}
if (y < 0) {
winPtr = (TkWindow *) wmPtr->menubar;
if (winPtr == NULL) {
return NULL;
}
y += wmPtr->menuHeight;
if (y < 0) {
return NULL;
}
}
/*
* Step 4: work down through the hierarchy underneath the current
* window. At each level, scan through all the children to find the
* highest one in the stacking order that contains the point. Then
* repeat the whole process on that child.
*/
while (1) {
nextPtr = NULL;
for (childPtr = winPtr->childList; childPtr != NULL;
childPtr = childPtr->nextPtr) {
if (!Tk_IsMapped(childPtr) || (childPtr->flags & TK_TOP_HIERARCHY)) {
continue;
}
if (childPtr->flags & TK_REPARENTED) {
continue;
}
tmpx = x - childPtr->changes.x;
tmpy = y - childPtr->changes.y;
bd = childPtr->changes.border_width;
if ((tmpx >= -bd) && (tmpy >= -bd)
&& (tmpx < (childPtr->changes.width + bd))
&& (tmpy < (childPtr->changes.height + bd))) {
nextPtr = childPtr;
}
}
if (nextPtr == NULL) {
break;
}
winPtr = nextPtr;
x -= winPtr->changes.x;
y -= winPtr->changes.y;
if ((winPtr->flags & TK_CONTAINER)
&& (winPtr->flags & TK_BOTH_HALVES)) {
/*
* The window containing the point is a container, and the
* embedded application is in this same process. Switch
* over to the toplevel for the embedded application and
* start processing that toplevel from scratch.
*/
winPtr = TkpGetOtherWindow(winPtr);
wmPtr = winPtr->wmInfoPtr;
childX = x;
childY = y;
goto gotToplevel;
}
}
return (Tk_Window) winPtr;
}
/*
*----------------------------------------------------------------------
*
* UpdateVRootGeometry --
*
* This procedure is called to update all the virtual root
* geometry information in wmPtr.
*
* Results:
* None.
*
* Side effects:
* The vRootX, vRootY, vRootWidth, and vRootHeight fields in
* wmPtr are filled with the most up-to-date information.
*
*----------------------------------------------------------------------
*/
static void
UpdateVRootGeometry(wmPtr)
WmInfo *wmPtr; /* Window manager information to be
* updated. The wmPtr->vRoot field must
* be valid. */
{
TkWindow *winPtr = wmPtr->winPtr;
int bd;
unsigned int dummy;
Window dummy2;
Status status;
Tk_ErrorHandler handler;
/*
* If this isn't a virtual-root window manager, just return information
* about the screen.
*/
wmPtr->flags &= ~WM_VROOT_OFFSET_STALE;
if (wmPtr->vRoot == None) {
noVRoot:
wmPtr->vRootX = wmPtr->vRootY = 0;
wmPtr->vRootWidth = DisplayWidth(winPtr->display, winPtr->screenNum);
wmPtr->vRootHeight = DisplayHeight(winPtr->display, winPtr->screenNum);
return;
}
/*
* Refresh the virtual root information if it's out of date.
*/
handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
status = XGetGeometry(winPtr->display, wmPtr->vRoot,
&dummy2, &wmPtr->vRootX, &wmPtr->vRootY,
(unsigned int *) &wmPtr->vRootWidth,
(unsigned int *) &wmPtr->vRootHeight, (unsigned int *) &bd,
&dummy);
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("UpdateVRootGeometry: x = %d, y = %d, width = %d, ",
wmPtr->vRootX, wmPtr->vRootY, wmPtr->vRootWidth);
printf("height = %d, status = %d\n", wmPtr->vRootHeight, status);
}
Tk_DeleteErrorHandler(handler);
if (status == 0) {
/*
* The virtual root is gone! Pretend that it never existed.
*/
wmPtr->vRoot = None;
goto noVRoot;
}
}
/*
*----------------------------------------------------------------------
*
* Tk_GetVRootGeometry --
*
* This procedure returns information about the virtual root
* window corresponding to a particular Tk window.
*
* Results:
* The values at xPtr, yPtr, widthPtr, and heightPtr are set
* with the offset and dimensions of the root window corresponding
* to tkwin. If tkwin is being managed by a virtual root window
* manager these values correspond to the virtual root window being
* used for tkwin; otherwise the offsets will be 0 and the
* dimensions will be those of the screen.
*
* Side effects:
* Vroot window information is refreshed if it is out of date.
*
*----------------------------------------------------------------------
*/
void
Tk_GetVRootGeometry(tkwin, xPtr, yPtr, widthPtr, heightPtr)
Tk_Window tkwin; /* Window whose virtual root is to be
* queried. */
int *xPtr, *yPtr; /* Store x and y offsets of virtual root
* here. */
int *widthPtr, *heightPtr; /* Store dimensions of virtual root here. */
{
WmInfo *wmPtr;
TkWindow *winPtr = (TkWindow *) tkwin;
/*
* Find the top-level window for tkwin, and locate the window manager
* information for that window.
*/
while (!(winPtr->flags & TK_TOP_HIERARCHY) && (winPtr->parentPtr != NULL)) {
winPtr = winPtr->parentPtr;
}
wmPtr = winPtr->wmInfoPtr;
if (wmPtr == NULL) {
/* Punt. */
*xPtr = 0;
*yPtr = 0;
*widthPtr = 0;
*heightPtr = 0;
}
/*
* Make sure that the geometry information is up-to-date, then copy
* it out to the caller.
*/
if (wmPtr->flags & WM_VROOT_OFFSET_STALE) {
UpdateVRootGeometry(wmPtr);
}
*xPtr = wmPtr->vRootX;
*yPtr = wmPtr->vRootY;
*widthPtr = wmPtr->vRootWidth;
*heightPtr = wmPtr->vRootHeight;
}
/*
*----------------------------------------------------------------------
*
* Tk_MoveToplevelWindow --
*
* This procedure is called instead of Tk_MoveWindow to adjust
* the x-y location of a top-level window. It delays the actual
* move to a later time and keeps window-manager information
* up-to-date with the move
*
* Results:
* None.
*
* Side effects:
* The window is eventually moved so that its upper-left corner
* (actually, the upper-left corner of the window's decorative
* frame, if there is one) is at (x,y).
*
*----------------------------------------------------------------------
*/
void
Tk_MoveToplevelWindow(tkwin, x, y)
Tk_Window tkwin; /* Window to move. */
int x, y; /* New location for window (within
* parent). */
{
TkWindow *winPtr = (TkWindow *) tkwin;
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (!(winPtr->flags & TK_TOP_LEVEL)) {
panic("Tk_MoveToplevelWindow called with non-toplevel window");
}
wmPtr->x = x;
wmPtr->y = y;
wmPtr->flags |= WM_MOVE_PENDING;
wmPtr->flags &= ~(WM_NEGATIVE_X|WM_NEGATIVE_Y);
if ((wmPtr->sizeHintsFlags & (USPosition|PPosition)) == 0) {
wmPtr->sizeHintsFlags |= USPosition;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
}
/*
* If the window has already been mapped, must bring its geometry
* up-to-date immediately, otherwise an event might arrive from the
* server that would overwrite wmPtr->x and wmPtr->y and lose the
* new position.
*/
if (!(wmPtr->flags & WM_NEVER_MAPPED)) {
if (wmPtr->flags & WM_UPDATE_PENDING) {
Tcl_CancelIdleCall(UpdateGeometryInfo, (ClientData) winPtr);
}
UpdateGeometryInfo((ClientData) winPtr);
}
}
/*
*----------------------------------------------------------------------
*
* UpdateWmProtocols --
*
* This procedure transfers the most up-to-date information about
* window manager protocols from the WmInfo structure to the actual
* property on the top-level window.
*
* Results:
* None.
*
* Side effects:
* The WM_PROTOCOLS property gets changed for wmPtr's window.
*
*----------------------------------------------------------------------
*/
static void
UpdateWmProtocols(wmPtr)
register WmInfo *wmPtr; /* Information about top-level window. */
{
register ProtocolHandler *protPtr;
Atom deleteWindowAtom;
int count;
Atom *arrayPtr, *atomPtr;
/*
* There are only two tricky parts here. First, there could be any
* number of atoms for the window, so count them and malloc an array
* to hold all of their atoms. Second, we *always* want to respond
* to the WM_DELETE_WINDOW protocol, even if no-one's officially asked.
*/
for (protPtr = wmPtr->protPtr, count = 1; protPtr != NULL;
protPtr = protPtr->nextPtr, count++) {
/* Empty loop body; we're just counting the handlers. */
}
arrayPtr = (Atom *) ckalloc((unsigned) (count * sizeof(Atom)));
deleteWindowAtom = Tk_InternAtom((Tk_Window) wmPtr->winPtr,
"WM_DELETE_WINDOW");
arrayPtr[0] = deleteWindowAtom;
for (protPtr = wmPtr->protPtr, atomPtr = &arrayPtr[1];
protPtr != NULL; protPtr = protPtr->nextPtr) {
if (protPtr->protocol != deleteWindowAtom) {
*atomPtr = protPtr->protocol;
atomPtr++;
}
}
XChangeProperty(wmPtr->winPtr->display, wmPtr->wrapperPtr->window,
Tk_InternAtom((Tk_Window) wmPtr->winPtr, "WM_PROTOCOLS"),
XA_ATOM, 32, PropModeReplace, (unsigned char *) arrayPtr,
atomPtr-arrayPtr);
ckfree((char *) arrayPtr);
}
/*
*----------------------------------------------------------------------
*
* TkWmProtocolEventProc --
*
* This procedure is called by the Tk_HandleEvent whenever a
* ClientMessage event arrives whose type is "WM_PROTOCOLS".
* This procedure handles the message from the window manager
* in an appropriate fashion.
*
* Results:
* None.
*
* Side effects:
* Depends on what sort of handler, if any, was set up for the
* protocol.
*
*----------------------------------------------------------------------
*/
void
TkWmProtocolEventProc(winPtr, eventPtr)
TkWindow *winPtr; /* Window to which the event was sent. */
XEvent *eventPtr; /* X event. */
{
WmInfo *wmPtr;
register ProtocolHandler *protPtr;
Atom protocol;
int result;
CONST char *protocolName;
Tcl_Interp *interp;
wmPtr = winPtr->wmInfoPtr;
if (wmPtr == NULL) {
return;
}
protocol = (Atom) eventPtr->xclient.data.l[0];
/*
* Note: it's very important to retrieve the protocol name now,
* before invoking the command, even though the name won't be used
* until after the command returns. This is because the command
* could delete winPtr, making it impossible for us to use it
* later in the call to Tk_GetAtomName.
*/
protocolName = Tk_GetAtomName((Tk_Window) winPtr, protocol);
for (protPtr = wmPtr->protPtr; protPtr != NULL;
protPtr = protPtr->nextPtr) {
if (protocol == protPtr->protocol) {
Tcl_Preserve((ClientData) protPtr);
interp = protPtr->interp;
Tcl_Preserve((ClientData) interp);
winPtr->dispPtr->lastEventTime = (Time) eventPtr->xclient.data.l[1];
result = LangDoCallback(protPtr->interp, protPtr->command, 0, 0);
if (result != TCL_OK) {
Tcl_AddErrorInfo(interp, "\n (command for \"");
Tcl_AddErrorInfo(interp, protocolName);
Tcl_AddErrorInfo(interp,
"\" window manager protocol)");
Tcl_BackgroundError(interp);
}
Tcl_Release((ClientData) interp);
Tcl_Release((ClientData) protPtr);
return;
}
}
/*
* No handler was present for this protocol. If this is a
* WM_DELETE_WINDOW message then just destroy the window.
*/
if (protocol == Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW")) {
Tk_DestroyWindow((Tk_Window) wmPtr->winPtr);
}
}
/*
*----------------------------------------------------------------------
*
* TkWmStackorderToplevelWrapperMap --
*
* This procedure will create a table that maps the reparent wrapper
* X id for a toplevel to the TkWindow structure that is wraps.
* Tk keeps track of a mapping from the window X id to the TkWindow
* structure but that does us no good here since we only get the X
* id of the wrapper window. Only those toplevel windows that are
* mapped have a position in the stacking order.
*
* Results:
* None.
*
* Side effects:
* Adds entries to the passed hashtable.
*
*----------------------------------------------------------------------
*/
static void
TkWmStackorderToplevelWrapperMap(winPtr, table)
TkWindow *winPtr; /* TkWindow to recurse on */
Tcl_HashTable *table; /* Maps X id to TkWindow */
{
TkWindow *childPtr;
Tcl_HashEntry *hPtr;
Window wrapper;
int newEntry;
if (Tk_IsMapped(winPtr) && Tk_IsTopLevel(winPtr) &&
!Tk_IsEmbedded(winPtr)) {
wrapper = (winPtr->wmInfoPtr->reparent != None)
? winPtr->wmInfoPtr->reparent
: winPtr->wmInfoPtr->wrapperPtr->window;
hPtr = Tcl_CreateHashEntry(table,
(char *) wrapper, &newEntry);
Tcl_SetHashValue(hPtr, winPtr);
}
for (childPtr = winPtr->childList; childPtr != NULL;
childPtr = childPtr->nextPtr) {
TkWmStackorderToplevelWrapperMap(childPtr, table);
}
}
/*
*----------------------------------------------------------------------
*
* TkWmStackorderToplevel --
*
* This procedure returns the stack order of toplevel windows.
*
* Results:
* An array of pointers to tk window objects in stacking order
* or else NULL if there was an error.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
TkWindow **
TkWmStackorderToplevel(parentPtr)
TkWindow *parentPtr; /* Parent toplevel window. */
{
Window dummy1, dummy2, vRoot;
Window *children;
unsigned int numChildren, i;
TkWindow *childWinPtr, **windows, **window_ptr;
Tcl_HashTable table;
Tcl_HashEntry *hPtr;
Tcl_HashSearch search;
/*
* Map X Window ids to a TkWindow of the wrapped toplevel.
*/
Tcl_InitHashTable(&table, TCL_ONE_WORD_KEYS);
TkWmStackorderToplevelWrapperMap(parentPtr, &table);
window_ptr = windows = (TkWindow **) ckalloc((table.numEntries+1)
* sizeof(TkWindow *));
/*
* Special cases: If zero or one toplevels were mapped
* there is no need to call XQueryTree.
*/
switch (table.numEntries) {
case 0:
windows[0] = NULL;
goto done;
case 1:
hPtr = Tcl_FirstHashEntry(&table, &search);
windows[0] = (TkWindow *) Tcl_GetHashValue(hPtr);
windows[1] = NULL;
goto done;
}
vRoot = parentPtr->wmInfoPtr->vRoot;
if (vRoot == None) {
vRoot = RootWindowOfScreen(Tk_Screen((Tk_Window) parentPtr));
}
if (XQueryTree(parentPtr->display, vRoot, &dummy1, &dummy2,
&children, &numChildren) == 0) {
ckfree((char *) windows);
windows = NULL;
} else {
for (i = 0; i < numChildren; i++) {
hPtr = Tcl_FindHashEntry(&table, (char *) children[i]);
if (hPtr != NULL) {
childWinPtr = (TkWindow *) Tcl_GetHashValue(hPtr);
*window_ptr++ = childWinPtr;
}
}
if ((window_ptr - windows) != table.numEntries)
panic("num matched toplevel windows does not equal num children");
*window_ptr = NULL;
if (numChildren) {
XFree((char *) children);
}
}
done:
Tcl_DeleteHashTable(&table);
return windows;
}
/*
*----------------------------------------------------------------------
*
* TkWmRestackToplevel --
*
* This procedure restacks a top-level window.
*
* Results:
* None.
*
* Side effects:
* WinPtr gets restacked as specified by aboveBelow and otherPtr.
*
*----------------------------------------------------------------------
*/
void
TkWmRestackToplevel(winPtr, aboveBelow, otherPtr)
TkWindow *winPtr; /* Window to restack. */
int aboveBelow; /* Gives relative position for restacking;
* must be Above or Below. */
TkWindow *otherPtr; /* Window relative to which to restack;
* if NULL, then winPtr gets restacked
* above or below *all* siblings. */
{
XWindowChanges changes;
unsigned int mask;
TkWindow *wrapperPtr;
memset(&changes, 0, sizeof(XWindowChanges));
changes.stack_mode = aboveBelow;
mask = CWStackMode;
/*
* Make sure that winPtr and its wrapper window have been created.
*/
if (winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) {
TkWmMapWindow(winPtr);
}
wrapperPtr = winPtr->wmInfoPtr->wrapperPtr;
if (otherPtr != NULL) {
/*
* The window is to be restacked with respect to another toplevel.
* Make sure it has been created as well.
*/
if (otherPtr->wmInfoPtr->flags & WM_NEVER_MAPPED) {
TkWmMapWindow(otherPtr);
}
changes.sibling = otherPtr->wmInfoPtr->wrapperPtr->window;
mask |= CWSibling;
}
/*
* Reconfigure the window. Note that we use XReconfigureWMWindow
* instead of XConfigureWindow, in order to handle the case
* where the window is to be restacked with respect to another toplevel.
* See [ICCCM] 4.1.5 "Configuring the Window" and XReconfigureWMWindow(3)
* for details.
*/
XReconfigureWMWindow(winPtr->display, wrapperPtr->window,
Tk_ScreenNumber((Tk_Window) winPtr), mask, &changes);
}
/*
*----------------------------------------------------------------------
*
* TkWmAddToColormapWindows --
*
* This procedure is called to add a given window to the
* WM_COLORMAP_WINDOWS property for its top-level, if it
* isn't already there. It is invoked by the Tk code that
* creates a new colormap, in order to make sure that colormap
* information is propagated to the window manager by default.
*
* Results:
* None.
*
* Side effects:
* WinPtr's window gets added to the WM_COLORMAP_WINDOWS
* property of its nearest top-level ancestor, unless the
* colormaps have been set explicitly with the
* "wm colormapwindows" command.
*
*----------------------------------------------------------------------
*/
void
TkWmAddToColormapWindows(winPtr)
TkWindow *winPtr; /* Window with a non-default colormap.
* Should not be a top-level window. */
{
TkWindow *wrapperPtr;
TkWindow *topPtr;
Window *oldPtr, *newPtr;
int count, i;
if (winPtr->window == None) {
return;
}
for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) {
if (topPtr == NULL) {
/*
* Window is being deleted. Skip the whole operation.
*/
return;
}
if (topPtr->flags & TK_TOP_HIERARCHY) {
break;
}
}
if (topPtr->wmInfoPtr == NULL) {
return;
}
if (topPtr->wmInfoPtr->flags & WM_COLORMAPS_EXPLICIT) {
return;
}
if (topPtr->wmInfoPtr->wrapperPtr == NULL) {
CreateWrapper(topPtr->wmInfoPtr);
}
wrapperPtr = topPtr->wmInfoPtr->wrapperPtr;
/*
* Fetch the old value of the property.
*/
if (XGetWMColormapWindows(topPtr->display, wrapperPtr->window,
&oldPtr, &count) == 0) {
oldPtr = NULL;
count = 0;
}
/*
* Make sure that the window isn't already in the list.
*/
for (i = 0; i < count; i++) {
if (oldPtr[i] == winPtr->window) {
return;
}
}
/*
* Make a new bigger array and use it to reset the property.
* Automatically add the toplevel itself as the last element
* of the list.
*/
newPtr = (Window *) ckalloc((unsigned) ((count+2)*sizeof(Window)));
for (i = 0; i < count; i++) {
newPtr[i] = oldPtr[i];
}
if (count == 0) {
count++;
}
newPtr[count-1] = winPtr->window;
newPtr[count] = topPtr->window;
XSetWMColormapWindows(topPtr->display, wrapperPtr->window, newPtr,
count+1);
ckfree((char *) newPtr);
if (oldPtr != NULL) {
XFree((char *) oldPtr);
}
}
/*
*----------------------------------------------------------------------
*
* TkWmRemoveFromColormapWindows --
*
* This procedure is called to remove a given window from the
* WM_COLORMAP_WINDOWS property for its top-level. It is invoked
* when windows are deleted.
*
* Results:
* None.
*
* Side effects:
* WinPtr's window gets removed from the WM_COLORMAP_WINDOWS
* property of its nearest top-level ancestor, unless the
* top-level itself is being deleted too.
*
*----------------------------------------------------------------------
*/
void
TkWmRemoveFromColormapWindows(winPtr)
TkWindow *winPtr; /* Window that may be present in
* WM_COLORMAP_WINDOWS property for its
* top-level. Should not be a top-level
* window. */
{
TkWindow *wrapperPtr;
TkWindow *topPtr;
Window *oldPtr;
int count, i, j;
if (winPtr->window == None) {
return;
}
for (topPtr = winPtr->parentPtr; ; topPtr = topPtr->parentPtr) {
if (topPtr == NULL) {
/*
* Ancestors have been deleted, so skip the whole operation.
* Seems like this can't ever happen?
*/
return;
}
if (topPtr->flags & TK_TOP_HIERARCHY) {
break;
}
}
if (topPtr->flags & TK_ALREADY_DEAD) {
/*
* Top-level is being deleted, so there's no need to cleanup
* the WM_COLORMAP_WINDOWS property.
*/
return;
}
if (topPtr->wmInfoPtr == NULL) {
return;
}
if (topPtr->wmInfoPtr->wrapperPtr == NULL) {
CreateWrapper(topPtr->wmInfoPtr);
}
wrapperPtr = topPtr->wmInfoPtr->wrapperPtr;
if (wrapperPtr == NULL) {
return;
}
/*
* Fetch the old value of the property.
*/
if (XGetWMColormapWindows(topPtr->display, wrapperPtr->window,
&oldPtr, &count) == 0) {
return;
}
/*
* Find the window and slide the following ones down to cover
* it up.
*/
for (i = 0; i < count; i++) {
if (oldPtr[i] == winPtr->window) {
for (j = i ; j < count-1; j++) {
oldPtr[j] = oldPtr[j+1];
}
XSetWMColormapWindows(topPtr->display, wrapperPtr->window,
oldPtr, count-1);
break;
}
}
XFree((char *) oldPtr);
}
/*
*----------------------------------------------------------------------
*
* TkGetPointerCoords --
*
* Fetch the position of the mouse pointer.
*
* Results:
* *xPtr and *yPtr are filled in with the (virtual) root coordinates
* of the mouse pointer for tkwin's display. If the pointer isn't
* on tkwin's screen, then -1 values are returned for both
* coordinates. The argument tkwin must be a toplevel window.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
TkGetPointerCoords(tkwin, xPtr, yPtr)
Tk_Window tkwin; /* Toplevel window that identifies screen
* on which lookup is to be done. */
int *xPtr, *yPtr; /* Store pointer coordinates here. */
{
TkWindow *winPtr = (TkWindow *) tkwin;
WmInfo *wmPtr;
Window w, root, child;
int rootX, rootY;
unsigned int mask;
wmPtr = winPtr->wmInfoPtr;
w = wmPtr->vRoot;
if (w == None) {
w = RootWindow(winPtr->display, winPtr->screenNum);
}
if (XQueryPointer(winPtr->display, w, &root, &child, &rootX, &rootY,
xPtr, yPtr, &mask) != True) {
*xPtr = -1;
*yPtr = -1;
}
}
/*
*----------------------------------------------------------------------
*
* GetMaxSize --
*
* This procedure computes the current maxWidth and maxHeight
* values for a window, taking into account the possibility
* that they may be defaulted.
*
* Results:
* The values at *maxWidthPtr and *maxHeightPtr are filled
* in with the maximum allowable dimensions of wmPtr's window,
* in grid units. If no maximum has been specified for the
* window, then this procedure computes the largest sizes that
* will fit on the screen.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
GetMaxSize(wmPtr, maxWidthPtr, maxHeightPtr)
WmInfo *wmPtr; /* Window manager information for the
* window. */
int *maxWidthPtr; /* Where to store the current maximum
* width of the window. */
int *maxHeightPtr; /* Where to store the current maximum
* height of the window. */
{
int tmp;
if (wmPtr->maxWidth > 0) {
*maxWidthPtr = wmPtr->maxWidth;
} else {
/*
* Must compute a default width. Fill up the display, leaving a
* bit of extra space for the window manager's borders.
*/
tmp = DisplayWidth(wmPtr->winPtr->display, wmPtr->winPtr->screenNum)
- 15;
if (wmPtr->gridWin != NULL) {
/*
* Gridding is turned on; convert from pixels to grid units.
*/
tmp = wmPtr->reqGridWidth
+ (tmp - wmPtr->winPtr->reqWidth)/wmPtr->widthInc;
}
*maxWidthPtr = tmp;
}
if (wmPtr->maxHeight > 0) {
*maxHeightPtr = wmPtr->maxHeight;
} else {
tmp = DisplayHeight(wmPtr->winPtr->display, wmPtr->winPtr->screenNum)
- 30;
if (wmPtr->gridWin != NULL) {
tmp = wmPtr->reqGridHeight
+ (tmp - wmPtr->winPtr->reqHeight)/wmPtr->heightInc;
}
*maxHeightPtr = tmp;
}
}
/*
*----------------------------------------------------------------------
*
* TkpMakeMenuWindow --
*
* Configure the window to be either a pull-down (or pop-up)
* menu, or as a toplevel (torn-off) menu or palette.
*
* Results:
* None.
*
* Side effects:
* Changes the style bit used to create a new Mac toplevel.
*
*----------------------------------------------------------------------
*/
void
TkpMakeMenuWindow(tkwin, transient)
Tk_Window tkwin; /* New window. */
int transient; /* 1 means menu is only posted briefly as
* a popup or pulldown or cascade. 0 means
* menu is always visible, e.g. as a torn-off
* menu. Determines whether save_under and
* override_redirect should be set. */
{
WmInfo *wmPtr;
XSetWindowAttributes atts;
TkWindow *wrapperPtr;
if (!Tk_HasWrapper(tkwin)) {
return;
}
wmPtr = ((TkWindow *) tkwin)->wmInfoPtr;
if (wmPtr->wrapperPtr == NULL) {
CreateWrapper(wmPtr);
}
wrapperPtr = wmPtr->wrapperPtr;
if (transient) {
atts.override_redirect = True;
atts.save_under = True;
} else {
atts.override_redirect = False;
atts.save_under = False;
}
/*
* The override-redirect and save-under bits must be set on the
* wrapper window in order to have the desired effect. However,
* also set the override-redirect bit on the window itself, so
* that the "wm overrideredirect" command will see it.
*/
if ((atts.override_redirect != Tk_Attributes(wrapperPtr)->override_redirect)
|| (atts.save_under != Tk_Attributes(wrapperPtr)->save_under)) {
Tk_ChangeWindowAttributes((Tk_Window) wrapperPtr,
CWOverrideRedirect|CWSaveUnder, &atts);
}
if ((atts.override_redirect != Tk_Attributes(tkwin)->override_redirect)
|| (atts.save_under != Tk_Attributes(tkwin)->save_under)) {
Tk_ChangeWindowAttributes(tkwin,
CWOverrideRedirect|CWSaveUnder, &atts);
}
}
/*
*----------------------------------------------------------------------
*
* CreateWrapper --
*
* This procedure is invoked to create the wrapper window for a
* toplevel window. It is called just before a toplevel is mapped
* for the first time.
*
* Results:
* None.
*
* Side effects:
* The wrapper is created and the toplevel is reparented inside it.
*
*----------------------------------------------------------------------
*/
static void
CreateWrapper(wmPtr)
WmInfo *wmPtr; /* Window manager information for the
* window. */
{
TkWindow *winPtr, *wrapperPtr;
Window parent;
Tcl_HashEntry *hPtr;
int new;
winPtr = wmPtr->winPtr;
if (winPtr->window == None) {
Tk_MakeWindowExist((Tk_Window) winPtr);
}
/*
* The code below is copied from CreateTopLevelWindow,
* Tk_MakeWindowExist, and TkpMakeWindow; The idea is to create an
* "official" Tk window (so that we can get events on it), but to
* hide the window outside the official Tk hierarchy so that it
* isn't visible to the application. See the comments for the other
* procedures if you have questions about this code.
*/
wmPtr->wrapperPtr = wrapperPtr = TkAllocWindow(winPtr->dispPtr,
Tk_ScreenNumber((Tk_Window) winPtr), winPtr);
wrapperPtr->dirtyAtts |= CWBorderPixel;
/*
* Tk doesn't normally select for StructureNotifyMask events because
* the events are synthesized internally. However, for wrapper
* windows we need to know when the window manager modifies the
* window configuration. We also need to select on focus change
* events; these are the only windows for which we care about focus
* changes.
*/
wrapperPtr->flags |= TK_WRAPPER;
wrapperPtr->atts.event_mask |= StructureNotifyMask|FocusChangeMask;
wrapperPtr->atts.override_redirect = winPtr->atts.override_redirect;
if (winPtr->flags & TK_EMBEDDED) {
parent = TkUnixContainerId(winPtr);
} else {
parent = XRootWindow(wrapperPtr->display, wrapperPtr->screenNum);
}
wrapperPtr->window = XCreateWindow(wrapperPtr->display,
parent, wrapperPtr->changes.x, wrapperPtr->changes.y,
(unsigned) wrapperPtr->changes.width,
(unsigned) wrapperPtr->changes.height,
(unsigned) wrapperPtr->changes.border_width, wrapperPtr->depth,
InputOutput, wrapperPtr->visual,
wrapperPtr->dirtyAtts|CWOverrideRedirect, &wrapperPtr->atts);
hPtr = Tcl_CreateHashEntry(&wrapperPtr->dispPtr->winTable,
(char *) wrapperPtr->window, &new);
Tcl_SetHashValue(hPtr, wrapperPtr);
wrapperPtr->mainPtr = winPtr->mainPtr;
wrapperPtr->mainPtr->refCount++;
wrapperPtr->dirtyAtts = 0;
wrapperPtr->dirtyChanges = 0;
wrapperPtr->wmInfoPtr = wmPtr;
/*
* Reparent the toplevel window inside the wrapper.
*/
XReparentWindow(wrapperPtr->display, winPtr->window, wrapperPtr->window,
0, 0);
/*
* Tk must monitor structure events for wrapper windows in order
* to detect changes made by window managers such as resizing,
* mapping, unmapping, etc..
*/
Tk_CreateEventHandler((Tk_Window) wmPtr->wrapperPtr, StructureNotifyMask,
WrapperEventProc, (ClientData) wmPtr);
}
/*
*----------------------------------------------------------------------
*
* TkWmFocusToplevel --
*
* This is a utility procedure invoked by focus-management code.
* The focus code responds to externally generated focus-related
* events on wrapper windows but ignores those events for any other
* windows. This procedure determines whether a given window is a
* wrapper window and, if so, returns the toplevel window
* corresponding to the wrapper.
*
* Results:
* If winPtr is a wrapper window, returns a pointer to the
* corresponding toplevel window; otherwise returns NULL.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
TkWindow *
TkWmFocusToplevel(winPtr)
TkWindow *winPtr; /* Window that received a focus-related
* event. */
{
if (!(winPtr->flags & TK_WRAPPER)) {
return NULL;
}
return winPtr->wmInfoPtr->winPtr;
}
/*
*----------------------------------------------------------------------
*
* TkUnixSetMenubar --
*
* This procedure is invoked by menu management code to specify the
* window to use as a menubar for a given toplevel window.
*
* Results:
* None.
*
* Side effects:
* The window given by menubar will be mapped and positioned inside
* the wrapper for tkwin and above tkwin. Menubar will
* automatically be resized to maintain the height specified by
* TkUnixSetMenuHeight the same width as tkwin. Any previous
* menubar specified for tkwin will be unmapped and ignored from
* now on.
*
*----------------------------------------------------------------------
*/
void
TkUnixSetMenubar(tkwin, menubar)
Tk_Window tkwin; /* Token for toplevel window. */
Tk_Window menubar; /* Token for window that is to serve as
* menubar for tkwin. Must not be a
* toplevel window. If NULL, any
* existing menubar is canceled and the
* menu height is reset to 0. */
{
WmInfo *wmPtr = ((TkWindow *) tkwin)->wmInfoPtr;
Tk_Window parent;
TkWindow *menubarPtr = (TkWindow *) menubar;
if (wmPtr == NULL) {
return;
}
if (wmPtr->menubar != NULL) {
/*
* There's already a menubar for this toplevel. If it isn't the
* same as the new menubar, unmap it so that it is out of the
* way, and reparent it back to its original parent.
*/
if (wmPtr->menubar == menubar) {
return;
}
((TkWindow *) wmPtr->menubar)->wmInfoPtr = NULL;
((TkWindow *) wmPtr->menubar)->flags &= ~TK_REPARENTED;
Tk_UnmapWindow(wmPtr->menubar);
parent = Tk_Parent(wmPtr->menubar);
if (parent != NULL) {
Tk_MakeWindowExist(parent);
XReparentWindow(Tk_Display(wmPtr->menubar),
Tk_WindowId(wmPtr->menubar), Tk_WindowId(parent), 0, 0);
}
Tk_DeleteEventHandler(wmPtr->menubar, StructureNotifyMask,
MenubarDestroyProc, (ClientData) wmPtr->menubar);
Tk_ManageGeometry(wmPtr->menubar, NULL, (ClientData) NULL);
}
wmPtr->menubar = menubar;
if (menubar == NULL) {
wmPtr->menuHeight = 0;
} else {
if ((menubarPtr->flags & TK_TOP_LEVEL)
|| (Tk_Screen(menubar) != Tk_Screen(tkwin))) {
panic("TkUnixSetMenubar got bad menubar");
}
wmPtr->menuHeight = Tk_ReqHeight(menubar);
if (wmPtr->menuHeight == 0) {
wmPtr->menuHeight = 1;
}
Tk_MakeWindowExist(tkwin);
Tk_MakeWindowExist(menubar);
if (wmPtr->wrapperPtr == NULL) {
CreateWrapper(wmPtr);
}
XReparentWindow(Tk_Display(menubar), Tk_WindowId(menubar),
wmPtr->wrapperPtr->window, 0, 0);
menubarPtr->wmInfoPtr = wmPtr;
Tk_MoveResizeWindow(menubar, 0, 0, Tk_Width(tkwin), wmPtr->menuHeight);
Tk_MapWindow(menubar);
Tk_CreateEventHandler(menubar, StructureNotifyMask, MenubarDestroyProc,
(ClientData) menubar);
Tk_ManageGeometry(menubar, &menubarMgrType, (ClientData) wmPtr);
menubarPtr->flags |= TK_REPARENTED;
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) tkwin);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* MenubarDestroyProc --
*
* This procedure is invoked by the event dispatcher whenever a
* menubar window is destroyed (it's also invoked for a few other
* kinds of events, but we ignore those).
*
* Results:
* None.
*
* Side effects:
* The association between the window and its toplevel is broken,
* so that the window is no longer considered to be a menubar.
*
*----------------------------------------------------------------------
*/
static void
MenubarDestroyProc(clientData, eventPtr)
ClientData clientData; /* TkWindow pointer for menubar. */
XEvent *eventPtr; /* Describes what just happened. */
{
WmInfo *wmPtr;
if (eventPtr->type != DestroyNotify) {
return;
}
wmPtr = ((TkWindow *) clientData)->wmInfoPtr;
wmPtr->menubar = NULL;
wmPtr->menuHeight = 0;
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) wmPtr->winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* MenubarReqProc --
*
* This procedure is invoked by the Tk geometry management code
* whenever a menubar calls Tk_GeometryRequest to request a new
* size.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
MenubarReqProc(clientData, tkwin)
ClientData clientData; /* Pointer to the window manager
* information for tkwin's toplevel. */
Tk_Window tkwin; /* Handle for menubar window. */
{
WmInfo *wmPtr = (WmInfo *) clientData;
wmPtr->menuHeight = Tk_ReqHeight(tkwin);
if (wmPtr->menuHeight <= 0) {
wmPtr->menuHeight = 1;
}
wmPtr->flags |= WM_UPDATE_SIZE_HINTS;
if (!(wmPtr->flags & (WM_UPDATE_PENDING|WM_NEVER_MAPPED))) {
Tcl_DoWhenIdle(UpdateGeometryInfo, (ClientData) wmPtr->winPtr);
wmPtr->flags |= WM_UPDATE_PENDING;
}
}
/*
*----------------------------------------------------------------------
*
* TkpGetWrapperWindow --
*
* Given a toplevel window return the hidden wrapper window for
* the toplevel window if available.
*
* Results:
* The wrapper window. NULL is we were not passed a toplevel
* window or the wrapper has yet to be created.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
TkWindow *
TkpGetWrapperWindow(winPtr)
TkWindow *winPtr; /* A toplevel window pointer. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if ((winPtr == NULL) || (wmPtr == NULL)) {
return NULL;
}
return wmPtr->wrapperPtr;
}
/* Support Procedures for release and capture */
/*
*----------------------------------------------------------------------
*
* UnmanageGeometry --
*
* Since there is a bug in tkGeometry.c, we need this routine to
* replace Tk_ManageGeometry(tkwin, NULL, NULL);
*
* Results:
* None.
*
* Side effects:
* The window given by the clientData argument is mapped.
*
*----------------------------------------------------------------------
*/
static void UnmanageGeometry(tkwin)
Tk_Window tkwin; /* Window whose geometry is to
* be unmanaged.*/
{
register TkWindow *winPtr = (TkWindow *) tkwin;
if ((winPtr->geomMgrPtr != NULL) &&
(winPtr->geomMgrPtr->lostSlaveProc != NULL)) {
(*winPtr->geomMgrPtr->lostSlaveProc)(winPtr->geomData, tkwin);
}
winPtr->geomMgrPtr = NULL;
winPtr->geomData = NULL;
}
/*
*----------------------------------------------------------------------
*
* TopLevelEventProc --
*
* This procedure is invoked when a top-level (or other externally-
* managed window) is restructured in any way.
*
* Results:
* None.
*
* Side effects:
* Tk's internal data structures for the window get modified to
* reflect the structural change.
*
*----------------------------------------------------------------------
*/
static void
TopLevelEventProc(clientData, eventPtr)
ClientData clientData; /* Window for which event occurred. */
XEvent *eventPtr; /* Event that just happened. */
{
register TkWindow *winPtr = (TkWindow *) clientData;
WmInfo *wmPtr = winPtr->wmInfoPtr;
wmPtr->flags |= WM_VROOT_OFFSET_STALE;
if (eventPtr->type == DestroyNotify) {
Tk_ErrorHandler handler;
if (!(winPtr->flags & TK_ALREADY_DEAD)) {
/*
* A top-level window was deleted externally (e.g., by the window
* manager). This is probably not a good thing, but cleanup as
* best we can. The error handler is needed because
* Tk_DestroyWindow will try to destroy the window, but of course
* it's already gone.
*/
handler = Tk_CreateErrorHandler(winPtr->display, -1, -1, -1,
(Tk_ErrorProc *) NULL, (ClientData) NULL);
Tk_DestroyWindow((Tk_Window) winPtr);
Tk_DeleteErrorHandler(handler);
}
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("TopLevelEventProc: %s deleted\n", winPtr->pathName);
}
} else if (eventPtr->type == ConfigureNotify) {
/*
* Ignore the event if the window has never been mapped yet.
* Such an event occurs only in weird cases like changing the
* internal border width of a top-level window, which results
* in a synthetic Configure event. These events are not relevant
* to us, and if we process them confusion may result (e.g. we
* may conclude erroneously that the user repositioned or resized
* the window).
*/
if (!(winPtr->wmInfoPtr->flags & WM_NEVER_MAPPED)) {
ConfigureEvent(wmPtr, &eventPtr->xconfigure);
}
} else if (eventPtr->type == MapNotify) {
winPtr->flags |= TK_MAPPED;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("TopLevelEventProc: %s mapped\n", winPtr->pathName);
}
} else if (eventPtr->type == UnmapNotify) {
winPtr->flags &= ~TK_MAPPED;
if (winPtr->dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("TopLevelEventProc: %s unmapped\n", winPtr->pathName);
}
} else if (eventPtr->type == ReparentNotify) {
ReparentEvent(wmPtr, &eventPtr->xreparent);
}
}
void
ImageChangedProc(clientData, x, y, width, height, imageWidth, imageHeight)
ClientData clientData;
int x;
int y;
int width;
int height;
int imageWidth;
int imageHeight;
{
register TkWindow *winPtr = (TkWindow *) clientData;
WmInfo *wmPtr = winPtr->wmInfoPtr;
Pixmap old = wmPtr->hints.icon_pixmap;
Pixmap pixmap = None;
if (imageWidth && imageHeight) {
pixmap = Tk_GetPixmap(winPtr->display,
RootWindowOfScreen(Tk_Screen((Tk_Window)winPtr)),
imageWidth, imageHeight,
DefaultDepthOfScreen(Tk_Screen((Tk_Window)winPtr)));
}
if (pixmap != None) {
Tk_RedrawImage(wmPtr->iconImage, 0, 0, imageWidth, imageHeight, pixmap, 0, 0);
wmPtr->hints.flags |= IconPixmapHint;
} else {
wmPtr->hints.flags &= ~IconPixmapHint;
}
wmPtr->hints.icon_pixmap = pixmap;
UpdateHints(winPtr);
if (old != None) {
Tk_FreePixmap(winPtr->display, old);
}
}
/*
*----------------------------------------------------------------------
*
* UpdateCommand --
*
* Update the WM_COMMAND property, taking care to translate
* the command strings into the external encoding.
*
* Results:
* None.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static void
UpdateCommand(winPtr)
TkWindow *winPtr;
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Tcl_DString cmds, ds;
int i, *offsets;
char **cmdArgv;
int cmdArgc;
/*
* Translate the argv strings into the external encoding. To avoid
* allocating lots of memory, the strings are appended to a buffer
* with nulls between each string.
*
* This code is tricky because we need to pass and array of pointers
* to XSetCommand. However, we can't compute the pointers as we go
* because the DString buffer space could get reallocated. So, store
* offsets for each element as we go, then compute pointers from the
* offsets once the entire DString is done.
*/
#ifdef _LANG
Tcl_Obj **cmdObjv;
if (Tcl_ListObjGetElements(NULL, wmPtr->cmdArg, &cmdArgc, &cmdObjv) != TCL_OK) {
return;
}
#else
cmdArgc = wmPtr->cmdArgc;
#endif
cmdArgv = (char **) ckalloc(sizeof(char *) * cmdArgc);
offsets = (int *) ckalloc( sizeof(int) * cmdArgc);
Tcl_DStringInit(&cmds);
for (i = 0; i < cmdArgc; i++) {
Tcl_UtfToExternalDString(NULL,
#ifdef _LANG
Tcl_GetString(cmdObjv[i]),
#else
wmPtr->cmdArgv[i],
#endif
-1, &ds);
offsets[i] = Tcl_DStringLength(&cmds);
Tcl_DStringAppend(&cmds, Tcl_DStringValue(&ds),
Tcl_DStringLength(&ds)+1);
Tcl_DStringFree(&ds);
}
cmdArgv[0] = Tcl_DStringValue(&cmds);
for (i = 1; i < cmdArgc; i++) {
cmdArgv[i] = cmdArgv[0] + offsets[i];
}
XSetCommand(winPtr->display, wmPtr->wrapperPtr->window,
cmdArgv, cmdArgc);
Tcl_DStringFree(&cmds);
ckfree((char *) cmdArgv);
ckfree((char *) offsets);
}
/*
*----------------------------------------------------------------------
*
* TkpWmSetState --
*
* Sets the window manager state for the wrapper window of a
* given toplevel window.
*
* Results:
* 0 on error, 1 otherwise
*
* Side effects:
* May minimize, restore, or withdraw a window.
*
*----------------------------------------------------------------------
*/
int
TkpWmSetState(winPtr, state)
TkWindow *winPtr; /* Toplevel window to operate on. */
int state; /* One of IconicState, NormalState,
* or WithdrawnState. */
{
WmInfo *wmPtr = winPtr->wmInfoPtr;
if (state == WithdrawnState) {
wmPtr->hints.initial_state = WithdrawnState;
wmPtr->withdrawn = 1;
if (wmPtr->flags & WM_NEVER_MAPPED) {
return 1;
}
if (XWithdrawWindow(winPtr->display, wmPtr->wrapperPtr->window,
winPtr->screenNum) == 0) {
return 0;
}
WaitForMapNotify(winPtr, 0);
} else if (state == NormalState) {
wmPtr->hints.initial_state = NormalState;
wmPtr->withdrawn = 0;
if (wmPtr->flags & WM_NEVER_MAPPED) {
return 1;
}
UpdateHints(winPtr);
Tk_MapWindow((Tk_Window) winPtr);
} else if (state == IconicState) {
wmPtr->hints.initial_state = IconicState;
if (wmPtr->flags & WM_NEVER_MAPPED) {
return 1;
}
if (wmPtr->withdrawn) {
UpdateHints(winPtr);
Tk_MapWindow((Tk_Window) winPtr);
wmPtr->withdrawn = 0;
} else {
if (XIconifyWindow(winPtr->display, wmPtr->wrapperPtr->window,
winPtr->screenNum) == 0) {
return 0;
}
WaitForMapNotify(winPtr, 0);
}
}
return 1;
}
/*
*----------------------------------------------------------------------
*
* WmIconimageCmd --
*
* This procedure is invoked to process the "wm iconimage" Tcl command.
* See the user documentation for details on what it does.
*
* Results:
* A standard Tcl result.
*
* Side effects:
* See the user documentation.
*
*----------------------------------------------------------------------
*/
static int
WmIconimageCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
Pixmap pixmap;
char *argv3;
if ((objc != 3) && (objc != 4)) {
Tcl_WrongNumArgs(interp, 2, objv, "window ?image?");
return TCL_ERROR;
}
if (objc == 3) {
if (wmPtr->hints.flags & IconPixmapHint && wmPtr->iconImage) {
Tcl_SetResult(interp, (char *) Tk_NameOfBitmap(winPtr->display, wmPtr->hints.icon_pixmap),TCL_STATIC);
}
return TCL_OK;
}
/* clear any existing pixmap hints and free associated resources */
if (wmPtr->hints.icon_pixmap != None) {
if (wmPtr->iconImage) {
Tk_FreePixmap(winPtr->display, wmPtr->hints.icon_pixmap);
} else {
Tk_FreeBitmap(winPtr->display, wmPtr->hints.icon_pixmap);
}
wmPtr->hints.icon_pixmap = None;
}
if (wmPtr->iconImage) {
Tk_FreeImage(wmPtr->iconImage);
wmPtr->iconImage = NULL;
}
wmPtr->hints.flags &= ~IconPixmapHint;
wmPtr->iconImage = Tk_GetImage(interp, tkwin, Tcl_GetString(objv[3]),
ImageChangedProc, (ClientData) winPtr);
if (wmPtr->iconImage != NULL) {
int width = 0;
int height = 0;
Tk_SizeOfImage(wmPtr->iconImage, &width, &height);
if (!width || !height) {
LangDebug("Size of %s is %d,%d\n",Tcl_GetString(objv[3]),width,height);
}
ImageChangedProc((ClientData) winPtr, 0, 0, width, height, width, height);
return TCL_OK;
} else {
UpdateHints(winPtr);
return TCL_ERROR;
}
}
static int
WmCaptureCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (winPtr->parentPtr == NULL) {
Tcl_AppendResult(interp, "Cannot capture main window", NULL);
return TCL_ERROR;
}
if ((winPtr->flags & TK_TOP_LEVEL) == 0) {
/* Window is already captured */
return TCL_OK;
}
/* Withdraw the window */
wmPtr->hints.initial_state = WithdrawnState;
wmPtr->withdrawn = 1;
if (wmPtr->flags & WM_NEVER_MAPPED) {
/* Now handle all idletasks so that the initial
* idle map is certain to have happened
*/
while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) {
/* Empty loop body */
}
}
else {
if (XWithdrawWindow(winPtr->display, wmPtr->wrapperPtr->window,
winPtr->screenNum) != 0) {
WaitForMapNotify(winPtr, 0);
}
}
/* Dis-associate from wm - do this later ? */
TkWmDeadWindow(winPtr);
if (winPtr->window == None) {
/* cause this and parent window to exist */
winPtr->atts.event_mask &= ~StructureNotifyMask;
winPtr->flags &= ~TK_TOP_LEVEL;
UnmanageGeometry((Tk_Window) winPtr);
Tk_DeleteEventHandler((Tk_Window) winPtr, StructureNotifyMask,
TopLevelEventProc, (ClientData) winPtr);
}
else {
XEvent event;
unsigned long serial;
XSetWindowAttributes atts;
int i, done1 = 0, done2 = 0, count = 0;
TkDisplay *dispPtr = winPtr->dispPtr;
/* wmDontReparent is set to 2 if it is determined that
* the window manager does not do a reparent after
* "wm capture" does the reparent. If that's the case, we don't
* need to perform the hack
*/
static int wmDontReparent = 0;
/* Hack begins here --
*
* To change a widget from a toplevel window to a non-toplevel
* window, we reparent it (from the root window) to its
* real (TK) parent. However, after we do that, some window
* managers (mwm in particular), will reparent the widget, again,
* to its decoration frames. In that case, we need to perform the
* reparenting again.
*
* The following code keeps reparenting the widget to its
* real parent until it detects the stupid move by the window
* manager. After that, it reparents once more and the widget
* will be finally reparented to its real parent.
*/
while (done2 == 0) {
XUnmapWindow(winPtr->display, winPtr->window);
Tk_MakeWindowExist((Tk_Window) winPtr->parentPtr);
XReparentWindow(winPtr->display, winPtr->window,
winPtr->parentPtr->window, 0, 0);
if (wmDontReparent >= 2) {
goto done;
}
do {
/* FIXME - we are waiting for events on wmPTR
here 'cos that is what WaitForEvent wants we wanted
winPtr->window
*/
if (WaitForEvent(winPtr->display, wmPtr,
StructureNotifyMask, &event) != TCL_OK) {
goto done;
}
Tk_HandleEvent(&event);
} while (event.type != ReparentNotify);
if (event.xreparent.parent == winPtr->parentPtr->window) {
if (done1 == 1) {
done2 = 1;
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("tixdebug: done reparenting.\n");
}
}
else {
++count;
}
}
else {
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("tixdebug: wm reparenting, retry ...\n");
}
done1 = 1;
}
if (count > 15) {
++wmDontReparent;
if (dispPtr->flags & TK_DISPLAY_WM_TRACING) {
printf("tixdebug: window manager doesn't reparent.\n");
}
goto done;
}
}
/* Hack ends here
*/
done:
/* clear those attributes that non-toplevel windows don't
* possess
*/
winPtr->flags &= ~TK_TOP_LEVEL;
atts.event_mask = winPtr->atts.event_mask;
atts.event_mask &= ~StructureNotifyMask;
Tk_ChangeWindowAttributes((Tk_Window) winPtr, CWEventMask, &atts);
UnmanageGeometry((Tk_Window) winPtr);
}
return TCL_OK;
}
static int
WmReleaseCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (Tk_IsTopLevel(winPtr)) {
Tcl_AppendResult(interp, "Already a toplevel window", NULL);
return TCL_ERROR;
}
/* detach the window from its gemoetry manager, if any */
UnmanageGeometry((Tk_Window) winPtr);
if (winPtr->window == None) {
/* Good, the window is not created yet, we still have time
* to make it an legitimate toplevel window
*/
winPtr->dirtyAtts |= CWBorderPixel;
}
else {
Window parent;
if (winPtr->flags & TK_MAPPED) {
Tk_UnmapWindow((Tk_Window) winPtr);
}
parent = XRootWindow(winPtr->display, winPtr->screenNum);
XReparentWindow(winPtr->display, winPtr->window, parent, 0, 0);
/* Should flush the events here */
}
winPtr->flags |= TK_TOP_LEVEL;
TkWmNewWindow(winPtr);
wmPtr = winPtr->wmInfoPtr;
wmPtr->hints.initial_state = WithdrawnState;
wmPtr->withdrawn = 1;
/* Size was set - force a call to Geometry Manager */
winPtr->reqWidth++;
winPtr->reqHeight++;
Tk_GeometryRequest((Tk_Window) winPtr, winPtr->reqWidth - 1,
winPtr->reqHeight - 1);
return TCL_OK;
}
static int
WmWrapperCmd(tkwin, winPtr, interp, objc, objv)
Tk_Window tkwin; /* Main window of the application. */
TkWindow *winPtr; /* Toplevel to work with */
Tcl_Interp *interp; /* Current interpreter. */
int objc; /* Number of arguments. */
Tcl_Obj *CONST objv[]; /* Argument objects. */
{
register WmInfo *wmPtr = winPtr->wmInfoPtr;
if (wmPtr->wrapperPtr == NULL) {
CreateWrapper(wmPtr);
}
Tcl_IntResults(interp,2,0,wmPtr->wrapperPtr->window,wmPtr->menuHeight);
return TCL_OK;
}