/* $Id: tixDiITxt.c,v 1.2 2000/10/12 02:54:04 idiscovery Exp $ */
/*
* tixDiImgTxt.c --
*
* This file implements one of the "Display Items" in the Tix library :
* Image-text display items.
*
* Copyright (c) 1996, Expert Interface Technologies
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
*/
#include "tixPort.h"
#include "tk.h"
#include "tixInt.h"
#include "tixDef.h"
#define DEF_IMAGETEXTITEM_BITMAP ""
#define DEF_IMAGETEXTITEM_IMAGE ""
#define DEF_IMAGETEXTITEM_TYPE "imagetext"
#define DEF_IMAGETEXTITEM_SHOWIMAGE "1"
#define DEF_IMAGETEXTITEM_SHOWTEXT "1"
#define DEF_IMAGETEXTITEM_STYLE ""
#define DEF_IMAGETEXTITEM_TEXT ""
#define DEF_IMAGETEXTITEM_UNDERLINE "-1"
static Tk_ConfigSpec imageTextItemConfigSpecs[] = {
{TK_CONFIG_BITMAP, "-bitmap", "bitmap", "Bitmap",
DEF_IMAGETEXTITEM_BITMAP, Tk_Offset(TixImageTextItem, bitmap),
TK_CONFIG_NULL_OK},
{TK_CONFIG_OBJECT, "-image", "image", "Image",
DEF_IMAGETEXTITEM_IMAGE, Tk_Offset(TixImageTextItem, imageString),
TK_CONFIG_NULL_OK},
{TK_CONFIG_CUSTOM, "-itemtype", "itemType", "ItemType",
DEF_IMAGETEXTITEM_TYPE, Tk_Offset(TixImageTextItem, diTypePtr),
0, &tixConfigItemType},
{TK_CONFIG_INT, "-showimage", "showImage", "ShowImage",
DEF_IMAGETEXTITEM_SHOWIMAGE, Tk_Offset(TixImageTextItem, showImage), 0},
{TK_CONFIG_INT, "-showtext", "showText", "ShowText",
DEF_IMAGETEXTITEM_SHOWTEXT, Tk_Offset(TixImageTextItem, showText), 0},
{TK_CONFIG_CUSTOM, "-style", "imageTextStyle", "ImageTextStyle",
DEF_IMAGETEXTITEM_STYLE, Tk_Offset(TixImageTextItem, stylePtr),
TK_CONFIG_NULL_OK, &tixConfigItemStyle},
{TK_CONFIG_LANGARG, "-text", "text", "Text",
DEF_IMAGETEXTITEM_TEXT, Tk_Offset(TixImageTextItem, text),
TK_CONFIG_NULL_OK},
{TK_CONFIG_INT, "-underline", "underline", "Underline",
DEF_IMAGETEXTITEM_UNDERLINE, Tk_Offset(TixImageTextItem, underline), 0},
{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
(char *) NULL, 0, 0}
};
/*----------------------------------------------------------------------
*
* Configuration options for Text Styles
*
*----------------------------------------------------------------------
*/
#define SELECTED_BG SELECT_BG
#define DISABLED_BG DISABLED
#define DEF_IMAGETEXTSTYLE_NORMAL_FG_COLOR BLACK
#define DEF_IMAGETEXTSTYLE_NORMAL_FG_MONO BLACK
#define DEF_IMAGETEXTSTYLE_NORMAL_BG_COLOR NORMAL_BG
#define DEF_IMAGETEXTSTYLE_NORMAL_BG_MONO WHITE
#define DEF_IMAGETEXTSTYLE_ACTIVE_FG_COLOR BLACK
#define DEF_IMAGETEXTSTYLE_ACTIVE_FG_MONO WHITE
#define DEF_IMAGETEXTSTYLE_ACTIVE_BG_COLOR ACTIVE_BG
#define DEF_IMAGETEXTSTYLE_ACTIVE_BG_MONO BLACK
#define DEF_IMAGETEXTSTYLE_SELECTED_FG_COLOR BLACK
#define DEF_IMAGETEXTSTYLE_SELECTED_FG_MONO WHITE
#define DEF_IMAGETEXTSTYLE_SELECTED_BG_COLOR SELECTED_BG
#define DEF_IMAGETEXTSTYLE_SELECTED_BG_MONO BLACK
#define DEF_IMAGETEXTSTYLE_DISABLED_FG_COLOR BLACK
#define DEF_IMAGETEXTSTYLE_DISABLED_FG_MONO BLACK
#define DEF_IMAGETEXTSTYLE_DISABLED_BG_COLOR DISABLED_BG
#define DEF_IMAGETEXTSTYLE_DISABLED_BG_MONO WHITE
#define DEF_IMAGETEXTSTYLE_FONT CTL_FONT
#define DEF_IMAGETEXTSTYLE_GAP "4"
#define DEF_IMAGETEXTSTYLE_PADX "2"
#define DEF_IMAGETEXTSTYLE_PADY "2"
#define DEF_IMAGETEXTSTYLE_JUSTIFY "left"
#define DEF_IMAGETEXTSTYLE_WLENGTH "0"
#define DEF_IMAGETEXTSTYLE_ANCHOR "w"
#define DEF_IMAGETEXTSTYLE_TEXTANCHOR "e"
static Tk_ConfigSpec imageTextStyleConfigSpecs[] = {
{TK_CONFIG_ANCHOR, "-anchor", "anchor", "Anchor",
DEF_IMAGETEXTSTYLE_ANCHOR, Tk_Offset(TixImageTextStyle, anchor), 0},
{TK_CONFIG_SYNONYM, "-bg", "background", (char *) NULL,
(char *) NULL, 0, 0},
{TK_CONFIG_SYNONYM, "-fg", "foreground", (char *) NULL,
(char *) NULL, 0, 0},
{TK_CONFIG_FONT, "-font", "font", "Font",
DEF_IMAGETEXTSTYLE_FONT, Tk_Offset(TixImageTextStyle, font), 0},
{TK_CONFIG_PIXELS, "-gap", "gap", "Gap",
DEF_IMAGETEXTSTYLE_GAP, Tk_Offset(TixImageTextStyle, gap), 0},
{TK_CONFIG_JUSTIFY, "-justify", "justify", "Justyfy",
DEF_IMAGETEXTSTYLE_JUSTIFY, Tk_Offset(TixImageTextStyle, justify),
TK_CONFIG_NULL_OK},
{TK_CONFIG_PIXELS, "-padx", "padX", "Pad",
DEF_IMAGETEXTSTYLE_PADX, Tk_Offset(TixImageTextStyle, pad[0]), 0},
{TK_CONFIG_PIXELS, "-pady", "padY", "Pad",
DEF_IMAGETEXTSTYLE_PADY, Tk_Offset(TixImageTextStyle, pad[1]), 0},
{TK_CONFIG_ANCHOR, "-textanchor", "textAnchor", "TextAnchor",
DEF_IMAGETEXTSTYLE_TEXTANCHOR, Tk_Offset(TixImageTextStyle, textanchor), 0},
{TK_CONFIG_PIXELS, "-wraplength", "wrapLength", "WrapLength",
DEF_IMAGETEXTSTYLE_WLENGTH, Tk_Offset(TixImageTextStyle, wrapLength),
0},
/* The following is automatically generated */
{TK_CONFIG_COLOR,"-background","background","Background",
DEF_IMAGETEXTSTYLE_NORMAL_BG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].bg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-background","background","Background",
DEF_IMAGETEXTSTYLE_NORMAL_BG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].bg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-foreground","foreground","Foreground",
DEF_IMAGETEXTSTYLE_NORMAL_FG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].fg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-foreground","foreground","Foreground",
DEF_IMAGETEXTSTYLE_NORMAL_FG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_NORMAL].fg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-activebackground","activeBackground","ActiveBackground",
DEF_IMAGETEXTSTYLE_ACTIVE_BG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].bg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-activebackground","activeBackground","ActiveBackground",
DEF_IMAGETEXTSTYLE_ACTIVE_BG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].bg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-activeforeground","activeForeground","ActiveForeground",
DEF_IMAGETEXTSTYLE_ACTIVE_FG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].fg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-activeforeground","activeForeground","ActiveForeground",
DEF_IMAGETEXTSTYLE_ACTIVE_FG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_ACTIVE].fg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-selectbackground","selectBackground","SelectBackground",
DEF_IMAGETEXTSTYLE_SELECTED_BG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].bg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-selectbackground","selectBackground","SelectBackground",
DEF_IMAGETEXTSTYLE_SELECTED_BG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].bg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-selectforeground","selectForeground","SelectForeground",
DEF_IMAGETEXTSTYLE_SELECTED_FG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].fg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-selectforeground","selectForeground","SelectForeground",
DEF_IMAGETEXTSTYLE_SELECTED_FG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_SELECTED].fg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-disabledbackground","disabledBackground","DisabledBackground",
DEF_IMAGETEXTSTYLE_DISABLED_BG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].bg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-disabledbackground","disabledBackground","DisabledBackground",
DEF_IMAGETEXTSTYLE_DISABLED_BG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].bg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_COLOR,"-disabledforeground","disabledForeground","DisabledForeground",
DEF_IMAGETEXTSTYLE_DISABLED_FG_COLOR,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].fg),
TK_CONFIG_COLOR_ONLY},
{TK_CONFIG_COLOR,"-disabledforeground","disabledForeground","DisabledForeground",
DEF_IMAGETEXTSTYLE_DISABLED_FG_MONO,
Tk_Offset(TixImageTextStyle,colors[TIX_DITEM_DISABLED].fg),
TK_CONFIG_MONO_ONLY},
{TK_CONFIG_END, (char *) NULL, (char *) NULL, (char *) NULL,
(char *) NULL, 0, 0}
};
/*----------------------------------------------------------------------
* Forward declarations for procedures defined later in this file:
*----------------------------------------------------------------------
*/
static void ImageProc _ANSI_ARGS_((ClientData clientData,
int x, int y, int width, int height,
int imgWidth, int imgHeight));
static void Tix_ImageTextItemCalculateSize _ANSI_ARGS_((
Tix_DItem * iPtr));
static char * Tix_ImageTextItemComponent _ANSI_ARGS_((
Tix_DItem * iPtr, int x, int y));
static int Tix_ImageTextItemConfigure _ANSI_ARGS_((
Tix_DItem * iPtr, int argc, char ** argv,
int flags));
static Tix_DItem * Tix_ImageTextItemCreate _ANSI_ARGS_((
Tix_DispData * ddPtr, Tix_DItemInfo * diTypePtr));
static void Tix_ImageTextItemDisplay _ANSI_ARGS_((
Pixmap pixmap, GC gc, Tix_DItem * iPtr,
int x, int y, int width, int height, int flag));
static void Tix_ImageTextItemFree _ANSI_ARGS_((
Tix_DItem * iPtr));
static void Tix_ImageTextItemLostStyle _ANSI_ARGS_((
Tix_DItem * iPtr));
static void Tix_ImageTextItemStyleChanged _ANSI_ARGS_((
Tix_DItem * iPtr));
static int Tix_ImageTextStyleConfigure _ANSI_ARGS_((
Tix_DItemStyle* style, int argc, char ** argv,
int flags));
static Tix_DItemStyle * Tix_ImageTextStyleCreate _ANSI_ARGS_((
Tcl_Interp *interp, Tk_Window tkwin,
Tix_DItemInfo * diTypePtr, char * name));
static void Tix_ImageTextStyleFree _ANSI_ARGS_((
Tix_DItemStyle* style));
static void Tix_ImageTextStyleSetTemplate _ANSI_ARGS_((
Tix_DItemStyle* style,
Tix_StyleTemplate * tmplPtr));
Tix_DItemInfo tix_ImageTextItemType = {
"imagetext", /* type */
TIX_DITEM_IMAGETEXT,
Tix_ImageTextItemCreate, /* createProc */
Tix_ImageTextItemConfigure,
Tix_ImageTextItemCalculateSize,
Tix_ImageTextItemComponent,
Tix_ImageTextItemDisplay,
Tix_ImageTextItemFree,
Tix_ImageTextItemStyleChanged,
Tix_ImageTextItemLostStyle,
Tix_ImageTextStyleCreate,
Tix_ImageTextStyleConfigure,
Tix_ImageTextStyleFree,
Tix_ImageTextStyleSetTemplate,
imageTextItemConfigSpecs,
imageTextStyleConfigSpecs,
NULL, /*next */
};
/*----------------------------------------------------------------------
* Tix_ImageText --
*
*
*----------------------------------------------------------------------
*/
static Tix_DItem * Tix_ImageTextItemCreate(ddPtr, diTypePtr)
Tix_DispData * ddPtr;
Tix_DItemInfo * diTypePtr;
{
TixImageTextItem * itPtr;
itPtr = (TixImageTextItem*) ckalloc(sizeof(TixImageTextItem));
itPtr->diTypePtr = diTypePtr;
itPtr->ddPtr = ddPtr;
itPtr->stylePtr = NULL;
itPtr->clientData = 0;
itPtr->size[0] = 0;
itPtr->size[1] = 0;
itPtr->bitmap = None;
itPtr->bitmapW = 0;
itPtr->bitmapH = 0;
itPtr->imageString = NULL;
itPtr->image = NULL;
itPtr->imageW = 0;
itPtr->imageH = 0;
itPtr->numChars = 0;
itPtr->text = NULL;
itPtr->textW = 0;
itPtr->textH = 0;
itPtr->underline = -1;
itPtr->showImage = 1;
itPtr->showText = 1;
return (Tix_DItem *)itPtr;
}
static void Tix_ImageTextItemFree(iPtr)
Tix_DItem * iPtr;
{
TixImageTextItem * itPtr = (TixImageTextItem *) iPtr;
if (itPtr->image) {
Tk_FreeImage(itPtr->image);
}
if (itPtr->stylePtr) {
TixDItemStyleFree(iPtr, (Tix_DItemStyle*)itPtr->stylePtr);
}
Tk_FreeOptions(imageTextItemConfigSpecs, (char *)itPtr,
itPtr->ddPtr->display, 0);
ckfree((char*)itPtr);
}
static int Tix_ImageTextItemConfigure(iPtr, argc, argv, flags)
Tix_DItem * iPtr;
int argc;
char ** argv;
int flags;
{
TixImageTextItem * itPtr = (TixImageTextItem *) iPtr;
TixImageTextStyle * oldStyle = itPtr->stylePtr;
if (Tk_ConfigureWidget(itPtr->ddPtr->interp, itPtr->ddPtr->tkwin,
imageTextItemConfigSpecs,
argc, argv, (char *)itPtr, flags) != TCL_OK) {
return TCL_ERROR;
}
if (itPtr->stylePtr == NULL) {
itPtr->stylePtr = (TixImageTextStyle*)TixGetDefaultDItemStyle(
itPtr->ddPtr, &tix_ImageTextItemType, iPtr, NULL);
}
/*
* Free the old images for the widget, if there were any.
*/
if (itPtr->image != NULL) {
Tk_FreeImage(itPtr->image);
itPtr->image = NULL;
}
if (itPtr->imageString != NULL) {
itPtr->image = Tk_GetImage(itPtr->ddPtr->interp, itPtr->ddPtr->tkwin,
itPtr->imageString, ImageProc, (ClientData) itPtr);
if (itPtr->image == NULL) {
return TCL_ERROR;
}
}
if (oldStyle != NULL && itPtr->stylePtr != oldStyle) {
Tix_ImageTextItemStyleChanged(iPtr);
}
else {
Tix_ImageTextItemCalculateSize((Tix_DItem*)itPtr);
}
return TCL_OK;
}
static void Tix_ImageTextItemDisplay(pixmap, gc, iPtr, x, y,
width, height, flags)
Pixmap pixmap;
GC gc;
Tix_DItem * iPtr;
int x;
int y;
int width;
int height;
int flags;
{
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
GC foreGC, backGC;
TixpSubRegion subReg;
int bitY;
int bitX;
int textY;
int textX;
int imageH = 0;
int imageW = 0;
if ((width <= 0) || (height <= 0)) {
return;
}
TixGetColorDItemGC(iPtr, &backGC, &foreGC, flags);
TixpStartSubRegionDraw(itPtr->ddPtr, pixmap, foreGC,
&subReg, 0, 0, x, y, width, height,
itPtr->size[0], itPtr->size[1]);
if (backGC != None) {
TixpSubRegFillRectangle(itPtr->ddPtr->display, pixmap,
backGC, &subReg, x, y, width, height);
}
TixDItemGetAnchor(itPtr->stylePtr->anchor, x, y, width, height,
itPtr->size[0], itPtr->size[1], &x, &y);
if (itPtr->image != NULL)
{
imageH = itPtr->imageH;
imageW = itPtr->imageW;
}
else if (itPtr->bitmap != None)
{
imageH = itPtr->bitmapH;
imageW = itPtr->bitmapW;
}
bitX = textX = x + itPtr->stylePtr->pad[0];
bitY = textY = y + itPtr->stylePtr->pad[1];
/* Adjust X position according to textanchor */
switch(itPtr->stylePtr->textanchor) {
case TK_ANCHOR_NW:
case TK_ANCHOR_SW:
case TK_ANCHOR_W:
bitX += itPtr->textW + itPtr->stylePtr->gap;
break;
case TK_ANCHOR_NE:
case TK_ANCHOR_SE:
case TK_ANCHOR_E:
textX += imageW + itPtr->stylePtr->gap;
break;
default:
bitX = itPtr->size[0] - imageW - 2*itPtr->stylePtr->pad[0];
if (bitX > 0) {
bitX = bitX / 2 + (bitX %2);
} else {
bitX = 0;
}
bitX += x;
textX = itPtr->size[0] - itPtr->textW - 2*itPtr->stylePtr->pad[0];
if (textX > 0) {
textX = textX / 2 + (textX %2);
} else {
textX = 0;
}
textX += x;
break;
}
/* Adjust Y position according to textanchor */
switch(itPtr->stylePtr->textanchor) {
case TK_ANCHOR_NW:
case TK_ANCHOR_NE:
case TK_ANCHOR_N:
bitY += itPtr->textH + itPtr->stylePtr->gap;
break;
case TK_ANCHOR_SE:
case TK_ANCHOR_SW:
case TK_ANCHOR_S:
textY += imageH + itPtr->stylePtr->gap;
break;
default:
bitY = itPtr->size[1] - imageH - 2*itPtr->stylePtr->pad[1];
if (bitY > 0) {
bitY = bitY / 2 + (bitY %2);
} else {
bitY = 0;
}
bitY += y;
textY = itPtr->size[1] - itPtr->textH - 2*itPtr->stylePtr->pad[1];
if (textY > 0) {
textY = textY / 2 + (textY %2);
} else {
textY = 0;
}
textY += y;
break;
}
if (itPtr->image != NULL) {
if (itPtr->showImage) {
TixpSubRegDrawImage(&subReg, itPtr->image, 0, 0,
itPtr->imageW, itPtr->imageH, pixmap, bitX, bitY);
}
}
else if (itPtr->bitmap != None && foreGC != None) {
if (itPtr->showImage) {
TixpSubRegDrawBitmap(itPtr->ddPtr->display, pixmap, foreGC,
&subReg, itPtr->bitmap, 0, 0,
itPtr->bitmapW, itPtr->bitmapH,
bitX, bitY, 1);
}
}
if (itPtr->text && itPtr->showText && foreGC != None) {
TixpSubRegDisplayText(itPtr->ddPtr->display, pixmap, foreGC, &subReg,
itPtr->stylePtr->font, Tcl_GetString(itPtr->text), itPtr->numChars,
textX, textY,
itPtr->textW,
itPtr->stylePtr->justify,
itPtr->underline);
}
TixpEndSubRegionDraw(itPtr->ddPtr->display, pixmap, foreGC,
&subReg);
}
static void Tix_ImageTextItemCalculateSize(iPtr)
Tix_DItem * iPtr;
{
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
itPtr->size[0] = 0;
itPtr->size[1] = 0;
/* Note: the size of the image or the text are used even when
* the showImage or showText options are off. These two options are
* used to "blank" the respective components temporarily without
* affecting the geometry of the ditem. The main is to indicate
* transfer during drag+drop.
*
* If you want the image or text to completely disappear, config them
* to NULL
*/
if (itPtr->image != NULL) {
Tk_SizeOfImage(itPtr->image, &itPtr->imageW, &itPtr->imageH);
itPtr->size[0] = itPtr->imageW;
itPtr->size[1] = itPtr->imageH;
}
else if (itPtr->bitmap != None) {
Tk_SizeOfBitmap(itPtr->ddPtr->display, itPtr->bitmap, &itPtr->bitmapW,
&itPtr->bitmapH);
itPtr->size[0] = itPtr->bitmapW;
itPtr->size[1] = itPtr->bitmapH;
}
if (itPtr->text) {
itPtr->numChars = strlen(Tcl_GetString(itPtr->text));
TixComputeTextGeometry(itPtr->stylePtr->font, Tcl_GetString(itPtr->text),
itPtr->numChars, itPtr->stylePtr->wrapLength,
&itPtr->textW, &itPtr->textH);
/* Adjust size[0] i.e. X for EW-ness */
switch(itPtr->stylePtr->textanchor) {
case TK_ANCHOR_SE: case TK_ANCHOR_SW:
case TK_ANCHOR_NE: case TK_ANCHOR_NW:
case TK_ANCHOR_E: case TK_ANCHOR_W:
itPtr->size[0] += itPtr->stylePtr->gap;
itPtr->size[0] += itPtr->textW;
break;
case TK_ANCHOR_CENTER:
case TK_ANCHOR_N: case TK_ANCHOR_S:
if (itPtr->textW > itPtr->size[0]) {
itPtr->size[0] = itPtr->textW;
}
break;
}
/* Adjust size[1] i.e. Y for NS-ness */
switch(itPtr->stylePtr->textanchor) {
case TK_ANCHOR_NW: case TK_ANCHOR_NE:
case TK_ANCHOR_SW: case TK_ANCHOR_SE:
case TK_ANCHOR_N: case TK_ANCHOR_S:
itPtr->size[1] += itPtr->stylePtr->gap;
itPtr->size[1] += itPtr->textH;
break;
case TK_ANCHOR_CENTER:
case TK_ANCHOR_E: case TK_ANCHOR_W:
if (itPtr->textH > itPtr->size[1]) {
itPtr->size[1] = itPtr->textH;
}
break;
}
}
itPtr->size[0] += 2*itPtr->stylePtr->pad[0];
itPtr->size[1] += 2*itPtr->stylePtr->pad[1];
}
static char * Tix_ImageTextItemComponent(iPtr, x, y)
Tix_DItem * iPtr;
int x;
int y;
{
/* Unimplemented */
#if 0
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
#endif
static char * body = "body";
return body;
}
static void Tix_ImageTextItemStyleChanged(iPtr)
Tix_DItem * iPtr;
{
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
if (itPtr->stylePtr == NULL) {
/* Maybe we haven't set the style to default style yet */
return;
}
Tix_ImageTextItemCalculateSize(iPtr);
if (itPtr->ddPtr->sizeChangedProc != NULL) {
itPtr->ddPtr->sizeChangedProc(iPtr);
}
}
static void Tix_ImageTextItemLostStyle(iPtr)
Tix_DItem * iPtr;
{
TixImageTextItem *itPtr = (TixImageTextItem *)iPtr;
itPtr->stylePtr = (TixImageTextStyle*)TixGetDefaultDItemStyle(
itPtr->ddPtr, &tix_ImageTextItemType, iPtr, NULL);
Tix_ImageTextItemStyleChanged(iPtr);
}
/*
*----------------------------------------------------------------------
*
* ImageProc --
*
* This procedure is invoked by the image code whenever the manager
* for an image does something that affects the size of contents
* of an image displayed in this widget.
*
* Results:
* None.
*
* Side effects:
* Arranges for the HList to get redisplayed.
*
*----------------------------------------------------------------------
*/
static void
ImageProc(clientData, x, y, width, height, imgWidth, imgHeight)
ClientData clientData; /* Pointer to widget record. */
int x, y; /* Upper left pixel (within image)
* that must be redisplayed. */
int width, height; /* Dimensions of area to redisplay
* (may be <= 0). */
int imgWidth, imgHeight; /* New dimensions of image. */
{
TixImageTextItem *itPtr = (TixImageTextItem *)clientData;
Tix_ImageTextItemCalculateSize((Tix_DItem *)itPtr);
if (itPtr->ddPtr->sizeChangedProc != NULL) {
itPtr->ddPtr->sizeChangedProc((Tix_DItem *)itPtr);
}
}
/*----------------------------------------------------------------------
*
*
* Display styles
*
*
*----------------------------------------------------------------------
*/
static Tix_DItemStyle *
Tix_ImageTextStyleCreate(interp, tkwin, diTypePtr, name)
Tcl_Interp * interp;
Tk_Window tkwin;
char * name;
Tix_DItemInfo * diTypePtr;
{
int i;
TixImageTextStyle * stylePtr =
(TixImageTextStyle *)ckalloc(sizeof(TixImageTextStyle));
stylePtr->font = NULL;
stylePtr->gap = 0;
stylePtr->textanchor = TK_ANCHOR_E;
stylePtr->justify = TK_JUSTIFY_LEFT;
stylePtr->wrapLength = 0;
stylePtr->pad[0] = 0;
stylePtr->pad[1] = 0;
stylePtr->anchor = TK_ANCHOR_CENTER;
for (i=0; i<4; i++) {
stylePtr->colors[i].bg = NULL;
stylePtr->colors[i].fg = NULL;
stylePtr->colors[i].backGC = None;
stylePtr->colors[i].foreGC = NULL;
}
return (Tix_DItemStyle *)stylePtr;
}
static int
Tix_ImageTextStyleConfigure(style, argc, argv, flags)
Tix_DItemStyle *style;
int argc;
char ** argv;
int flags;
{
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
XGCValues gcValues;
GC newGC;
int i, isNew;
if (stylePtr->font == NULL) {
isNew = 1;
} else {
isNew = 0;
}
if (!(flags &TIX_DONT_CALL_CONFIG)) {
if (Tk_ConfigureWidget(stylePtr->interp, stylePtr->tkwin,
imageTextStyleConfigSpecs,
argc, argv, (char *)stylePtr, flags) != TCL_OK) {
return TCL_ERROR;
}
}
gcValues.font = TixFontId(stylePtr->font);
gcValues.graphics_exposures = False;
for (i=0; i<4; i++) {
/* Foreground */
gcValues.background = stylePtr->colors[i].bg->pixel;
gcValues.foreground = stylePtr->colors[i].fg->pixel;
newGC = Tk_GetGC(stylePtr->tkwin,
GCFont|GCForeground|GCBackground|GCGraphicsExposures, &gcValues);
if (stylePtr->colors[i].foreGC != None) {
Tk_FreeGC(Tk_Display(stylePtr->tkwin),
stylePtr->colors[i].foreGC);
}
stylePtr->colors[i].foreGC = newGC;
/* Background */
gcValues.foreground = stylePtr->colors[i].bg->pixel;
newGC = Tk_GetGC(stylePtr->tkwin,
GCFont|GCForeground|GCGraphicsExposures, &gcValues);
if (stylePtr->colors[i].backGC != None) {
Tk_FreeGC(Tk_Display(stylePtr->tkwin),
stylePtr->colors[i].backGC);
}
stylePtr->colors[i].backGC = newGC;
}
if (!isNew) {
TixDItemStyleChanged(stylePtr->diTypePtr, (Tix_DItemStyle *)stylePtr);
}
return TCL_OK;
}
static void Tix_ImageTextStyleFree(style)
Tix_DItemStyle *style;
{
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
int i;
for (i=0; i<4; i++) {
if (stylePtr->colors[i].backGC != None) {
Tk_FreeGC(Tk_Display(stylePtr->tkwin), stylePtr->colors[i].backGC);
}
if (stylePtr->colors[i].foreGC != None) {
Tk_FreeGC(Tk_Display(stylePtr->tkwin), stylePtr->colors[i].foreGC);
}
}
Tk_FreeOptions(imageTextStyleConfigSpecs, (char *)stylePtr,
Tk_Display(stylePtr->tkwin), 0);
ckfree((char *)stylePtr);
}
static int bg_flags [4] = {
TIX_DITEM_NORMAL_BG,
TIX_DITEM_ACTIVE_BG,
TIX_DITEM_SELECTED_BG,
TIX_DITEM_DISABLED_BG
};
static int fg_flags [4] = {
TIX_DITEM_NORMAL_FG,
TIX_DITEM_ACTIVE_FG,
TIX_DITEM_SELECTED_FG,
TIX_DITEM_DISABLED_FG
};
static void
Tix_ImageTextStyleSetTemplate(style, tmplPtr)
Tix_DItemStyle* style;
Tix_StyleTemplate * tmplPtr;
{
TixImageTextStyle * stylePtr = (TixImageTextStyle *)style;
int i;
if (tmplPtr->flags & TIX_DITEM_FONT) {
if (stylePtr->font != NULL) {
TixFreeFont(stylePtr->font);
}
stylePtr->font = TixGetFont(
stylePtr->interp, stylePtr->tkwin,
TixNameOfFont(tmplPtr->font));
}
if (tmplPtr->flags & TIX_DITEM_PADX) {
stylePtr->pad[0] = tmplPtr->pad[0];
}
if (tmplPtr->flags & TIX_DITEM_PADY) {
stylePtr->pad[1] = tmplPtr->pad[1];
}
for (i=0; i<4; i++) {
if (tmplPtr->flags & bg_flags[i]) {
if (stylePtr->colors[i].bg != NULL) {
Tk_FreeColor(stylePtr->colors[i].bg);
}
stylePtr->colors[i].bg = Tk_GetColor(
stylePtr->interp, stylePtr->tkwin,
Tk_NameOfColor(tmplPtr->colors[i].bg));
}
}
for (i=0; i<4; i++) {
if (tmplPtr->flags & fg_flags[i]) {
if (stylePtr->colors[i].fg != NULL) {
Tk_FreeColor(stylePtr->colors[i].fg);
}
stylePtr->colors[i].fg = Tk_GetColor(
stylePtr->interp, stylePtr->tkwin,
Tk_NameOfColor(tmplPtr->colors[i].fg));
}
}
Tix_ImageTextStyleConfigure(style, 0, 0, TIX_DONT_CALL_CONFIG);
}