/*-
* Copyright (c) 1997-2002 The Protein Laboratory, University of Copenhagen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
/***********************************************************/
/* */
/* System dependent application management (unix, x11) */
/* */
/***********************************************************/
#include "apricot.h"
#include "unix/guts.h"
#include "Application.h"
#include "File.h"
#include <sys/utsname.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <signal.h>
#if !defined(BYTEORDER)
#error "BYTEORDER is not defined"
#endif
#define LSB32 0x1234
#define LSB64 0x12345678
#define MSB32 0x4321
#define MSB64 0x87654321
#ifndef BUFSIZ
#define BUFSIZ 2048
#endif
UnixGuts guts, *pguts = &guts;
UnixGuts *
prima_unix_guts(void)
{
return &guts;
}
static int
x_error_handler( Display *d, XErrorEvent *ev)
{
int tail = guts. ri_tail;
int prev = tail;
char *name = "Prima";
char buf[BUFSIZ];
char mesg[BUFSIZ];
char number[32];
while ( tail != guts. ri_head) {
if ( guts. ri[ tail]. request > ev-> serial)
break;
prev = tail;
tail++;
if ( tail >= REQUEST_RING_SIZE)
tail = 0;
}
switch ( ev-> request_code) {
case 38: /* X_QueryPointer - apc_event uses sequence of XQueryPointer calls,
to find where the pointer belongs. The error is raised when one
of the windows disappears . */
case 42: /* X_SetInputFocus */
return 0;
}
#ifdef NEED_X11_EXTENSIONS_XRENDER_H
if ( ev-> request_code == guts. xft_xrender_major_opcode &&
ev-> request_code > 127 &&
ev-> error_code == BadLength)
/* Xrender large polygon request failed */
guts. xft_disable_large_fonts = 1;
#endif
XGetErrorText( d, ev-> error_code, buf, BUFSIZ);
XGetErrorDatabaseText( d, name, "XError", "X Error", mesg, BUFSIZ);
fprintf( stderr, "%s: %s, request: %d", mesg, buf, ev->request_code);
if ( ev->request_code < 128) {
sprintf( number, "%d", ev->request_code);
XGetErrorDatabaseText( d, "XRequest", number, "", buf, BUFSIZ);
fprintf( stderr, "(%s)", buf);
}
if ( tail == guts. ri_head && prev == guts. ri_head);
else if ( tail == guts. ri_head)
fprintf( stderr, ", after %s:%d\n",
guts. ri[ prev]. file, guts. ri[ prev]. line);
else
fprintf( stderr, ", between %s:%d and %s:%d\n",
guts. ri[ prev]. file, guts. ri[ prev]. line,
guts. ri[ tail]. file, guts. ri[ tail]. line);
return 0;
}
static int
x_io_error_handler( Display *d)
{
fprintf( stderr, "Fatal input/output X error\n");
_exit( 1);
return 0; /* happy now? */
}
static XrmDatabase
get_database( void)
{
XrmDatabase db = XrmGetStringDatabase( "");
char filename[PATH_MAX];
char *c;
char *resource_data = XResourceManagerString( DISP);
if ( resource_data) {
XrmCombineDatabase( XrmGetStringDatabase( resource_data), &db, false);
} else {
c = getenv( "HOME");
if (!c) c = "";
snprintf( filename, PATH_MAX, "%s/.Xdefaults", c);
XrmCombineFileDatabase( filename, &db, false);
}
return db;
}
static int
get_idepth( void)
{
int i, n;
XPixmapFormatValues *format = XListPixmapFormats( DISP, &n);
int idepth = guts.depth;
if ( !format) return guts.depth;
for ( i = 0; i < n; i++)
if ( format[i]. depth == guts. depth) {
idepth = format[i]. bits_per_pixel;
break;
}
XFree( format);
return idepth;
}
static Bool do_x11 = true;
static Bool do_sync = false;
static char* do_display = NULL;
static int do_debug = 0;
static Bool do_icccm_only = false;
static Bool do_no_shmem = false;
static Bool
init_x11( char * error_buf )
{
/*XXX*/ /* Namely, support for -display host:0.0 etc. */
XrmQuark common_quarks_list[20]; /*XXX change number of elements if necessary */
XrmQuarkList ql = common_quarks_list;
XGCValues gcv;
char *common_quarks =
"String."
"Blinkinvisibletime.blinkinvisibletime."
"Blinkvisibletime.blinkvisibletime."
"Clicktimeframe.clicktimeframe."
"Doubleclicktimeframe.doubleclicktimeframe."
"Wheeldown.wheeldown."
"Wheelup.wheelup."
"Submenudelay.submenudelay."
"Scrollfirst.scrollfirst."
"Scrollnext.scrollnext";
char * atom_names[AI_count] = {
"RESOLUTION_X",
"RESOLUTION_Y",
"PIXEL_SIZE",
"SPACING",
"RELATIVE_WEIGHT",
"FOUNDRY",
"AVERAGE_WIDTH",
"CHARSET_REGISTRY",
"CHARSET_ENCODING",
"CREATE_EVENT",
"WM_DELETE_WINDOW",
"WM_PROTOCOLS",
"WM_TAKE_FOCUS",
"_NET_WM_STATE",
"_NET_WM_STATE_SKIP_TASKBAR",
"_NET_WM_STATE_MAXIMIZED_VERT",
"_NET_WM_STATE_MAXIMIZED_HORZ",
"_NET_WM_NAME",
"_NET_WM_ICON_NAME",
"UTF8_STRING",
"TARGETS",
"INCR",
"PIXEL",
"FOREGROUND",
"BACKGROUND",
"_MOTIF_WM_HINTS",
"_NET_WM_STATE_MODAL",
"_NET_SUPPORTED",
"_NET_WM_STATE_MAXIMIZED_HORIZ",
"text/plain;charset=UTF-8",
"_NET_WM_STATE_STAYS_ON_TOP",
"_NET_CURRENT_DESKTOP",
"_NET_WORKAREA",
"_NET_WM_STATE_ABOVE"
};
char hostname_buf[256], *hostname = hostname_buf;
guts. click_time_frame = 200;
guts. double_click_time_frame = 200;
guts. visible_timeout = 500;
guts. invisible_timeout = 500;
guts. insert = true;
guts. last_time = CurrentTime;
guts. ri_head = guts. ri_tail = 0;
DISP = XOpenDisplay( do_display);
if (!DISP) {
char * disp = getenv("DISPLAY");
snprintf( error_buf, 256, "Error: Can't open display '%s'",
do_display ? do_display : (disp ? disp : ""));
free( do_display);
do_display = nil;
return false;
}
free( do_display);
do_display = nil;
XSetErrorHandler( x_error_handler);
guts.main_error_handler = x_error_handler;
(void)x_io_error_handler;
XCHECKPOINT;
guts.connection = ConnectionNumber( DISP);
{
struct sockaddr name;
unsigned int l = sizeof( name);
guts. local_connection = getsockname( guts.connection, &name, &l) >= 0 && l == 0;
}
#ifdef HAVE_X11_EXTENSIONS_SHAPE_H
if ( XShapeQueryExtension( DISP, &guts.shape_event, &guts.shape_error)) {
guts. shape_extension = true;
} else {
guts. shape_extension = false;
}
#else
guts. shape_extension = false;
#endif
#ifdef USE_MITSHM
if ( !do_no_shmem && XShmQueryExtension( DISP)) {
guts. shared_image_extension = true;
guts. shared_image_completion_event = XShmGetEventBase( DISP) + ShmCompletion;
} else {
guts. shared_image_extension = false;
guts. shared_image_completion_event = -1;
}
#else
guts. shared_image_extension = false;
guts. shared_image_completion_event = -1;
#endif
guts. randr_extension = false;
#ifdef HAVE_X11_EXTENSIONS_XRANDR_H
{
int dummy;
if ( XRRQueryExtension( DISP, &dummy, &dummy))
guts. randr_extension = true;
}
#endif
XrmInitialize();
guts.db = get_database();
XrmStringToQuarkList( common_quarks, common_quarks_list);
guts.qString = *ql++;
guts.qBlinkinvisibletime = *ql++;
guts.qblinkinvisibletime = *ql++;
guts.qBlinkvisibletime = *ql++;
guts.qblinkvisibletime = *ql++;
guts.qClicktimeframe = *ql++;
guts.qclicktimeframe = *ql++;
guts.qDoubleclicktimeframe = *ql++;
guts.qdoubleclicktimeframe = *ql++;
guts.qWheeldown = *ql++;
guts.qwheeldown = *ql++;
guts.qWheelup = *ql++;
guts.qwheelup = *ql++;
guts.qSubmenudelay = *ql++;
guts.qsubmenudelay = *ql++;
guts.qScrollfirst = *ql++;
guts.qscrollfirst = *ql++;
guts.qScrollnext = *ql++;
guts.qscrollnext = *ql++;
guts. mouse_buttons = XGetPointerMapping( DISP, guts. buttons_map, 256);
XCHECKPOINT;
guts. limits. request_length = XMaxRequestSize( DISP);
guts. limits. XDrawLines = guts. limits. request_length - 3;
guts. limits. XFillPolygon = guts. limits. request_length - 4;
guts. limits. XDrawSegments = (guts. limits. request_length - 3) / 2;
guts. limits. XDrawRectangles = (guts. limits. request_length - 3) / 2;
guts. limits. XFillRectangles = (guts. limits. request_length - 3) / 2;
guts. limits. XFillArcs =
guts. limits. XDrawArcs = (guts. limits. request_length - 3) / 3;
XCHECKPOINT;
SCREEN = DefaultScreen( DISP);
/* XXX - return code? */
guts. root = RootWindow( DISP, SCREEN);
guts. displaySize. x = DisplayWidth( DISP, SCREEN);
guts. displaySize. y = DisplayHeight( DISP, SCREEN);
XQueryBestCursor( DISP, guts. root,
guts. displaySize. x, /* :-) */
guts. displaySize. y,
&guts. cursor_width,
&guts. cursor_height);
XCHECKPOINT;
TAILQ_INIT( &guts.paintq);
TAILQ_INIT( &guts.peventq);
TAILQ_INIT( &guts.bitmap_gc_pool);
TAILQ_INIT( &guts.screen_gc_pool);
guts. currentFocusTime = CurrentTime;
guts. windows = hash_create();
guts. menu_windows = hash_create();
guts. ximages = hash_create();
gcv. graphics_exposures = false;
guts. menugc = XCreateGC( DISP, guts. root, GCGraphicsExposures, &gcv);
guts. resolution. x = 25.4 * guts. displaySize. x / DisplayWidthMM( DISP, SCREEN) + .5;
guts. resolution. y = 25.4 * DisplayHeight( DISP, SCREEN) / DisplayHeightMM( DISP, SCREEN) + .5;
guts. depth = DefaultDepth( DISP, SCREEN);
guts. idepth = get_idepth();
if ( guts.depth == 1) guts. qdepth = 1; else
if ( guts.depth <= 4) guts. qdepth = 4; else
if ( guts.depth <= 8) guts. qdepth = 8; else
guts. qdepth = 24;
guts. byte_order = ImageByteOrder( DISP);
guts. bit_order = BitmapBitOrder( DISP);
if ( BYTEORDER == LSB32 || BYTEORDER == LSB64)
guts. machine_byte_order = LSBFirst;
else if ( BYTEORDER == MSB32 || BYTEORDER == MSB64)
guts. machine_byte_order = MSBFirst;
else {
sprintf( error_buf, "UAA_001: weird machine byte order: %08x", BYTEORDER);
return false;
}
XInternAtoms( DISP, atom_names, AI_count, 0, guts. atoms);
guts. null_pointer = nilHandle;
guts. pointer_invisible_count = 0;
guts. files = plist_create( 16, 16);
prima_rebuild_watchers();
guts. wm_event_timeout = 100;
guts. menu_timeout = 200;
guts. scroll_first = 200;
guts. scroll_next = 50;
apc_timer_create( CURSOR_TIMER, nilHandle, 2);
apc_timer_create( MENU_TIMER, nilHandle, guts. menu_timeout);
apc_timer_create( MENU_UNFOCUS_TIMER, nilHandle, 50);
if ( !prima_init_clipboard_subsystem( error_buf)) return false;
if ( !prima_init_color_subsystem( error_buf)) return false;
if ( !prima_init_font_subsystem( error_buf)) return false;
bzero( &guts. cursor_gcv, sizeof( guts. cursor_gcv));
guts. cursor_gcv. cap_style = CapButt;
guts. cursor_gcv. function = GXcopy;
gethostname( hostname, 256);
hostname[255] = '\0';
XStringListToTextProperty((char **)&hostname, 1, &guts. hostname);
guts. net_wm_maximization = prima_wm_net_state_read_maximization( guts. root, NET_SUPPORTED);
if ( do_sync) XSynchronize( DISP, true);
return true;
}
Bool
window_subsystem_init( char * error_buf)
{
bzero( &guts, sizeof( guts));
guts. debug = do_debug;
guts. icccm_only = do_icccm_only;
Mdebug("init x11:%d, debug:%x, sync:%d, display:%s\n", do_x11, guts.debug,
do_sync, do_display ? do_display : "(default)");
if ( do_x11) {
Bool ret = init_x11( error_buf );
if ( !ret && DISP) {
XCloseDisplay(DISP);
DISP = nil;
}
return ret;
}
return true;
}
int
prima_debug( const char *format, ...)
{
int rc = 0;
va_list args;
va_start( args, format);
rc = vfprintf( stderr, format, args);
va_end( args);
return rc;
}
Bool
window_subsystem_get_options( int * argc, char *** argv)
{
static char * x11_argv[] = {
"no-x11", "runs Prima without X11 display initialized",
"display", "selects X11 DISPLAY (--display=:0.0)",
"visual", "X visual id (--visual=0x21, run `xdpyinfo` for list of supported visuals)",
"sync", "synchronize X connection",
"icccm", "do not use NET_WM (kde/gnome) and MOTIF extensions, ICCCM only",
"debug", "turns on debugging on subsystems, selected by characters (--debug=FC). "\
"Recognized characters are: "\
" 0(none),"\
" C(clipboard),"\
" E(events),"\
" F(fonts),"\
" M(miscellaneous),"\
" P(palettes and colors),"\
" X(XRDB),"\
" A(all together)",
#ifdef USE_MITSHM
"no-shmem", "do not use shared memory for images",
#endif
"no-core-fonts", "do not use core fonts",
#ifdef USE_XFT
"no-xft", "do not use XFT",
"no-aa", "do not anti-alias XFT fonts",
"font-priority", "match unknown fonts against: 'xft' (default) or 'core'",
#endif
"font",
#ifdef USE_XFT
"default prima font in XLFD (-helv-misc-*-*-) or XFT(Helv-12) format",
#else
"default prima font in XLFD (-helv-misc-*-*-) format",
#endif
"menu-font", "default menu font",
"msg-font", "default message box font",
"widget-font", "default widget font",
"caption-font", "MDI caption font",
"noscaled", "do not use scaled instances of fonts",
"fg", "default foreground color",
"bg", "default background color",
"hilite-fg", "default highlight foreground color",
"hilite-bg", "default highlight background color",
"disabled-fg", "default disabled foreground color",
"disabled-bg", "default disabled background color",
"light", "default light-3d color",
"dark", "default dark-3d color"
};
*argv = x11_argv;
*argc = sizeof( x11_argv) / sizeof( char*);
return true;
}
Bool
window_subsystem_set_option( char * option, char * value)
{
Mdebug("%s=%s\n", option, value);
if ( strcmp( option, "no-x11") == 0) {
if ( value) warn("`--no-x11' option has no parameters");
do_x11 = false;
return true;
} else if ( strcmp( option, "yes-x11") == 0) {
do_x11 = true;
return true;
} else if ( strcmp( option, "display") == 0) {
free( do_display);
do_display = duplicate_string( value);
return true;
} else if ( strcmp( option, "icccm") == 0) {
if ( value) warn("`--icccm' option has no parameters");
do_icccm_only = true;
return true;
} else if ( strcmp( option, "no-shmem") == 0) {
if ( value) warn("`--no-shmem' option has no parameters");
do_no_shmem = true;
return true;
} else if ( strcmp( option, "debug") == 0) {
if ( !value) {
warn("`--debug' must be given parameters. `--debug=A` assumed\n");
guts. debug |= DEBUG_ALL;
do_debug = guts. debug;
return true;
}
while ( *value) switch ( tolower(*(value++))) {
case '0':
guts. debug = 0;
break;
case 'c':
guts. debug |= DEBUG_CLIP;
break;
case 'e':
guts. debug |= DEBUG_EVENT;
break;
case 'f':
guts. debug |= DEBUG_FONTS;
break;
case 'm':
guts. debug |= DEBUG_MISC;
break;
case 'p':
guts. debug |= DEBUG_COLOR;
break;
case 'x':
guts. debug |= DEBUG_XRDB;
break;
case 'a':
guts. debug |= DEBUG_ALL;
break;
}
do_debug = guts. debug;
} else if ( prima_font_subsystem_set_option( option, value)) {
return true;
} else if ( prima_color_subsystem_set_option( option, value)) {
return true;
}
return false;
}
void
window_subsystem_cleanup( void)
{
if ( !DISP) return;
/*XXX*/
prima_end_menu();
#ifdef WITH_GTK
prima_gtk_done();
#endif
}
static void
free_gc_pool( struct gc_head *head)
{
GCList *n1, *n2;
n1 = TAILQ_FIRST(head);
while (n1 != nil) {
n2 = TAILQ_NEXT(n1, gc_link);
XFreeGC( DISP, n1-> gc);
/* XXX */ free(n1);
n1 = n2;
}
TAILQ_INIT(head);
}
void
window_subsystem_done( void)
{
if ( !DISP) return;
if ( guts. hostname. value) {
XFree( guts. hostname. value);
guts. hostname. value = nil;
}
prima_end_menu();
free_gc_pool(&guts.bitmap_gc_pool);
free_gc_pool(&guts.screen_gc_pool);
prima_done_color_subsystem();
free( guts. clipboard_formats);
XFreeGC( DISP, guts. menugc);
prima_gc_ximages(); /* verrry dangerous, very quiet please */
if ( guts.pointer_font) {
XFreeFont( DISP, guts.pointer_font);
guts.pointer_font = nil;
}
XCloseDisplay( DISP);
DISP = nil;
plist_destroy( guts. files);
guts. files = nil;
XrmDestroyDatabase( guts.db);
if (guts.ximages) hash_destroy( guts.ximages, false);
if (guts.menu_windows) hash_destroy( guts.menu_windows, false);
if (guts.windows) hash_destroy( guts.windows, false);
if (guts.clipboards) hash_destroy( guts.clipboards, false);
if (guts.clipboard_xfers) hash_destroy( guts.clipboard_xfers, false);
prima_cleanup_font_subsystem();
}
Bool
apc_application_begin_paint( Handle self)
{
DEFXX;
if ( guts. appLock > 0) return false;
prima_prepare_drawable_for_painting( self, false);
XX-> flags. force_flush = 1;
return true;
}
Bool
apc_application_begin_paint_info( Handle self)
{
prima_prepare_drawable_for_painting( self, false);
return true;
}
Bool
apc_application_create( Handle self)
{
XSetWindowAttributes attrs;
DEFXX;
if ( !DISP) {
Mdebug("apc_application_create: failed, x11 layer is not up\n");
return false;
}
XX-> type.application = true;
XX-> type.widget = true;
XX-> type.drawable = true;
attrs. event_mask = StructureNotifyMask | PropertyChangeMask;
XX-> client = X_WINDOW = XCreateWindow( DISP, guts. root,
0, 0, 1, 1, 0, CopyFromParent,
InputOutput, CopyFromParent,
CWEventMask, &attrs);
XCHECKPOINT;
if (!X_WINDOW) return false;
hash_store( guts.windows, &X_WINDOW, sizeof(X_WINDOW), (void*)self);
XX-> pointer_id = crArrow;
XX-> gdrawable = XX-> udrawable = guts. root;
XX-> parent = None;
XX-> origin. x = 0;
XX-> origin. y = 0;
XX-> ackSize = XX-> size = apc_application_get_size( self);
XX-> owner = nilHandle;
XX-> flags. clip_owner = 1;
XX-> flags. sync_paint = 0;
apc_component_fullname_changed_notify( self);
guts. mouse_wheel_down = unix_rm_get_int( self, guts.qWheeldown, guts.qwheeldown, 5);
guts. mouse_wheel_up = unix_rm_get_int( self, guts.qWheelup, guts.qwheelup, 4);
guts. click_time_frame = unix_rm_get_int( self, guts.qClicktimeframe, guts.qclicktimeframe, guts. click_time_frame);
guts. double_click_time_frame = unix_rm_get_int( self, guts.qDoubleclicktimeframe, guts.qdoubleclicktimeframe, guts. double_click_time_frame);
guts. visible_timeout = unix_rm_get_int( self, guts.qBlinkvisibletime, guts.qblinkvisibletime, guts. visible_timeout);
guts. invisible_timeout = unix_rm_get_int( self, guts.qBlinkinvisibletime, guts.qblinkinvisibletime, guts. invisible_timeout);
guts. menu_timeout = unix_rm_get_int( self, guts.qSubmenudelay, guts.qsubmenudelay, guts. menu_timeout);
guts. scroll_first = unix_rm_get_int( self, guts.qScrollfirst, guts.qscrollfirst, guts. scroll_first);
guts. scroll_next = unix_rm_get_int( self, guts.qScrollnext, guts.qscrollnext, guts. scroll_next);
prima_send_create_event( X_WINDOW);
return true;
}
Bool
apc_application_close( Handle self)
{
guts. applicationClose = true;
return true;
}
Bool
apc_application_destroy( Handle self)
{
if ( X_WINDOW) {
XDestroyWindow( DISP, X_WINDOW);
XCHECKPOINT;
hash_delete( guts.windows, (void*)&X_WINDOW, sizeof(X_WINDOW), false);
}
return true;
}
Bool
apc_application_end_paint( Handle self)
{
DEFXX;
XX-> flags. force_flush = 0;
prima_cleanup_drawable_after_painting( self);
return true;
}
Bool
apc_application_end_paint_info( Handle self)
{
prima_cleanup_drawable_after_painting( self);
return true;
}
int
apc_application_get_gui_info( char * description, int len)
{
#ifdef WITH_GTK2
if ( description) {
strncpy( description, "X Window System + GTK2", len);
description[len-1] = 0;
}
return guiGTK2;
#else
if ( description) {
strncpy( description, "X Window System", len);
description[len-1] = 0;
}
return guiXLib;
#endif
}
Handle
apc_application_get_widget_from_point( Handle self, Point p)
{
XWindow from, to, child;
from = to = guts. root;
p. y = DisplayHeight( DISP, SCREEN) - p. y - 1;
while (XTranslateCoordinates(DISP, from, to, p.x, p.y, &p.x, &p.y, &child)) {
if (child) {
from = to;
to = child;
} else {
Handle h;
if ( to == from) to = X_WINDOW;
h = (Handle)hash_fetch( guts.windows, (void*)&to, sizeof(to));
return ( h == application) ? nilHandle : h;
}
}
return nilHandle;
}
Handle
apc_application_get_handle( Handle self, ApiHandle apiHandle)
{
return prima_xw2h(( XWindow) apiHandle);
}
static Bool
wm_net_get_current_workarea( Rect * r)
{
Bool ret = false;
unsigned long n;
unsigned long *desktop = NULL, *workarea = NULL, *w;
if ( guts. icccm_only) return false;
desktop = ( unsigned long *) prima_get_window_property( guts. root,
NET_CURRENT_DESKTOP, XA_CARDINAL,
NULL, NULL,
&n);
if ( desktop == NULL || n < 1) goto EXIT;
Mdebug("wm: current desktop = %d\n", *desktop);
workarea = ( unsigned long *) prima_get_window_property( guts. root,
NET_WORKAREA, XA_CARDINAL,
NULL, NULL,
&n);
if ( desktop == NULL || n < 1 || n <= *desktop ) goto EXIT;
w = workarea + *desktop * 4; /* XYWH quartets */
r-> left = w[0];
r-> top = w[1];
r-> right = w[2];
r-> bottom = w[3];
ret = true;
Mdebug("wm: current workarea = %d:%d:%d:%d\n", w[0], w[1], w[2], w[3]);
EXIT:
free( workarea);
free( desktop);
return ret;
}
Rect
apc_application_get_indents( Handle self)
{
Point sz;
Rect r;
bzero( &r, sizeof( r));
if ( do_icccm_only) return r;
sz = apc_application_get_size( self);
if ( wm_net_get_current_workarea( &r)) {
r. right = sz. x - r.right - r. left;
r. bottom = sz. y - r. bottom - r. top;
if ( r. left < 0) r. left = 0;
if ( r. top < 0) r. top = 0;
if ( r. right < 0) r. right = 0;
if ( r. bottom < 0) r. bottom = 0;
}
return r;
}
int
apc_application_get_os_info( char *system, int slen,
char *release, int rlen,
char *vendor, int vlen,
char *arch, int alen)
{
static struct utsname name;
static Bool fetched = false;
#ifndef SYS_NMLN
#ifdef _SYS_NAMELEN
#define SYS_NMLN _SYS_NAMELEN
#else
#define SYS_NMLN 64
#endif
#endif
if (!fetched) {
if ( uname(&name)!=0) {
strncpy( name. sysname, "Some UNIX", SYS_NMLN);
name. sysname[ SYS_NMLN-1] = 0;
strncpy( name. release, "Unknown version of UNIX", SYS_NMLN);
name. release[ SYS_NMLN-1] = 0;
strncpy( name. machine, "Unknown architecture", SYS_NMLN);
name. machine[ SYS_NMLN-1] = 0;
}
fetched = true;
}
if (system) {
strncpy( system, name. sysname, slen);
system[ slen-1] = 0;
}
if (release) {
strncpy( release, name. release, rlen);
release[ rlen-1] = 0;
}
if (vendor) {
strncpy( vendor, "Unknown vendor", vlen);
vendor[ vlen-1] = 0;
}
if (arch) {
strncpy( arch, name. machine, alen);
arch[ alen-1] = 0;
}
return apcUnix;
}
Point
apc_application_get_size( Handle self)
{
return guts. displaySize;
}
Rect2 *
apc_application_get_monitor_rects( Handle self, int * nrects)
{
#ifdef HAVE_X11_EXTENSIONS_XRANDR_H
XRRScreenResources * sr;
Rect2 * ret = nil;
if ( !guts. randr_extension) {
*nrects = 0;
return nil;
}
XCHECKPOINT;
sr = XRRGetScreenResources(DISP,guts.root);
if ( sr ) {
int i;
ret = malloc(sizeof(Rect2) * sr->ncrtc);
*nrects = sr->ncrtc;
for ( i = 0; i < sr->ncrtc; i++) {
XRRCrtcInfo * ci = XRRGetCrtcInfo (DISP, sr, sr->crtcs[i]);
ret[i].x = ci->x;
ret[i].y = guts.displaySize.y - ci->height - ci->y;
ret[i].width = ci->width;
ret[i].height = ci->height;
XRRFreeCrtcInfo(ci);
}
XRRFreeScreenResources(sr);
XCHECKPOINT;
} else {
*nrects = sr->ncrtc;
}
return ret;
#else
*nrects = 0;
return nil;
#endif
}
typedef struct {
int no;
void *sub;
void *glob;
} FileList, *PFileList;
Bool
apc_watch_filehandle( int no, void *sub, void *glob)
{
PFileList f = malloc( sizeof( FileList));
if ( !f) return false;
f->no = no;
f->sub = sub;
f->glob = glob;
list_add( guts.files, (Handle)f);
return true;
}
#ifdef PerlIO
typedef PerlIO *FileStream;
#else
#define PERLIO_IS_STDIO 1
typedef FILE *FileStream;
#define PerlIO_fileno(f) fileno(f)
#endif
static Bool
purge_invalid_watchers( Handle self, void *dummy)
{
((PFile)self)->self->is_active(self,true);
return false;
}
static void
perform_pending_paints( void)
{
PDrawableSysData selfxx, next;
for ( XX = TAILQ_FIRST( &guts.paintq); XX != nil; ) {
next = TAILQ_NEXT( XX, paintq_link);
if ( XX-> flags. paint_pending && (guts. appLock == 0) &&
(PWidget( XX->self)-> stage == csNormal)) {
TAILQ_REMOVE( &guts.paintq, XX, paintq_link);
XX-> flags. paint_pending = false;
prima_simple_message( XX-> self, cmPaint, false);
/* handle the case where this widget is locked */
if (XX->invalid_region) {
XDestroyRegion(XX->invalid_region);
XX->invalid_region = nil;
}
}
XX = next;
}
}
static void
send_pending_events( void)
{
PendingEvent *pe, *next;
int stage;
for ( pe = TAILQ_FIRST( &guts.peventq); pe != nil; ) {
next = TAILQ_NEXT( pe, peventq_link);
if (( stage = PComponent( pe->recipient)-> stage) != csConstructing) {
TAILQ_REMOVE( &guts.peventq, pe, peventq_link);
}
if ( stage == csNormal)
apc_message( pe-> recipient, &pe-> event, false);
if ( stage != csConstructing) {
free( pe);
}
pe = next;
}
}
Bool
prima_one_loop_round( Bool wait, Bool careOfApplication)
{
XEvent ev, next_event;
fd_set read_set, write_set, excpt_set;
struct timeval timeout;
int r, i, queued_events;
PTimerSysData timer;
if ( guts. applicationClose) return false;
if (( queued_events = XEventsQueued( DISP, QueuedAlready))) {
goto FetchAndProcess;
}
read_set = guts.read_set;
write_set = guts.write_set;
excpt_set = guts.excpt_set;
if ( guts. oldest) {
gettimeofday( &timeout, nil);
if ( guts. oldest-> when. tv_sec < timeout. tv_sec ||
( guts. oldest-> when. tv_sec == timeout. tv_sec &&
guts. oldest-> when. tv_usec <= timeout. tv_usec)) {
timer = guts. oldest;
apc_timer_start( timer-> who);
if ( timer-> who == CURSOR_TIMER) {
prima_cursor_tick();
} else if ( timer-> who == MENU_TIMER) {
apc_timer_stop( MENU_TIMER);
if ( guts. currentMenu) {
XEvent ev;
ev. type = MenuTimerMessage;
prima_handle_menu_event( &ev, M(guts. currentMenu)-> w-> w, guts. currentMenu);
}
} else if ( timer-> who == MENU_UNFOCUS_TIMER) {
prima_end_menu();
} else {
prima_simple_message( timer-> who, cmTimer, false);
}
gettimeofday( &timeout, nil);
}
if ( guts. oldest && wait) {
if ( guts. oldest-> when. tv_sec < timeout. tv_sec) {
timeout. tv_sec = 0;
timeout. tv_usec = 0;
} else {
timeout. tv_sec = guts. oldest-> when. tv_sec - timeout. tv_sec;
if ( guts. oldest-> when. tv_usec < timeout. tv_usec) {
if ( timeout. tv_sec == 0) {
timeout. tv_sec = 0;
timeout. tv_usec = 0;
} else {
timeout. tv_sec--;
timeout. tv_usec = 1000000 - (timeout. tv_usec - guts. oldest-> when. tv_usec);
}
} else {
timeout. tv_usec = guts. oldest-> when. tv_usec - timeout. tv_usec;
}
}
if ( timeout. tv_sec > 0 || timeout. tv_usec > 200000) {
timeout. tv_sec = 0;
timeout. tv_usec = 200000;
}
} else {
timeout. tv_sec = 0;
if ( wait)
timeout. tv_usec = 200000;
else
timeout. tv_usec = 0;
}
} else {
timeout. tv_sec = 0;
if ( wait)
timeout. tv_usec = 200000;
else
timeout. tv_usec = 0;
}
if (( r = select( guts.max_fd+1, &read_set, &write_set, &excpt_set, &timeout)) > 0 &&
FD_ISSET( guts.connection, &read_set)) {
if (( queued_events = XEventsQueued( DISP, QueuedAfterFlush)) <= 0) {
/* just like tcl/perl tk do, to avoid an infinite loop */
RETSIGTYPE oldHandler = signal( SIGPIPE, SIG_IGN);
XNoOp( DISP);
XFlush( DISP);
(void) signal( SIGPIPE, oldHandler);
}
FetchAndProcess:
if ( queued_events && ( application || !careOfApplication)) {
XNextEvent( DISP, &ev);
XCHECKPOINT;
queued_events--;
while ( queued_events > 0) {
if (!application && careOfApplication) return false;
XNextEvent( DISP, &next_event);
XCHECKPOINT;
prima_handle_event( &ev, &next_event);
guts. total_events++;
queued_events = XEventsQueued( DISP, QueuedAlready);
memcpy( &ev, &next_event, sizeof( XEvent));
}
if (!application && careOfApplication) return false;
guts. total_events++;
prima_handle_event( &ev, nil);
}
XNoOp( DISP);
XFlush( DISP);
} else if ( r < 0) {
list_first_that( guts.files, (void*)purge_invalid_watchers, nil);
} else {
if ( r > 0) {
for ( i = 0; i < guts.files->count; i++) {
PFile f = (PFile)list_at( guts.files,i);
if ( FD_ISSET( f->fd, &read_set) && (f->eventMask & feRead)) {
prima_simple_message((Handle)f, cmFileRead, false);
break;
} else if ( FD_ISSET( f->fd, &write_set) && (f->eventMask & feWrite)) {
prima_simple_message((Handle)f, cmFileWrite, false);
break;
} else if ( FD_ISSET( f->fd, &excpt_set) && (f->eventMask & feException)) {
prima_simple_message((Handle)f, cmFileException, false);
break;
}
}
} else {
XNoOp( DISP);
XFlush( DISP);
}
}
send_pending_events();
perform_pending_paints();
kill_zombies();
return application != nilHandle;
}
Bool
apc_application_go( Handle self)
{
if (!application) return false;
XNoOp( DISP);
XFlush( DISP);
while ( prima_one_loop_round( true, true))
;
if ( application) Object_destroy( application);
application = nilHandle;
CHECK_LEAKS;
return true;
}
Bool
apc_application_lock( Handle self)
{
guts. appLock++;
return true;
}
Bool
apc_application_unlock( Handle self)
{
if ( guts. appLock > 0) guts. appLock--;
return true;
}
Bool
apc_application_sync(void)
{
XSync( DISP, false);
return true;
}
Bool
apc_application_yield( void)
{
if (!application) return false;
XSync( DISP, false);
prima_one_loop_round( false, true);
XSync( DISP, false);
prima_one_loop_round( false, true);
return true;
}