static void
DeleteRectOval(
Tk_Canvas canvas, /* Info about overall widget. */
Tk_Item *itemPtr, /* Item that is being deleted. */
Display *display) /* Display containing window for canvas. */
{
RectOvalItem *rectOvalPtr = (RectOvalItem *) itemPtr;
Tk_DeleteOutline(display, &(rectOvalPtr->outline));
if (rectOvalPtr->fillColor != NULL) {
Tk_FreeColor(rectOvalPtr->fillColor);
}
if (rectOvalPtr->activeFillColor != NULL) {
Tk_FreeColor(rectOvalPtr->activeFillColor);
}
if (rectOvalPtr->disabledFillColor != NULL) {
Tk_FreeColor(rectOvalPtr->disabledFillColor);
}
if (rectOvalPtr->fillStipple != None) {
Tk_FreeBitmap(display, rectOvalPtr->fillStipple);
}
if (rectOvalPtr->activeFillStipple != None) {
Tk_FreeBitmap(display, rectOvalPtr->activeFillStipple);
}
if (rectOvalPtr->disabledFillStipple != None) {
Tk_FreeBitmap(display, rectOvalPtr->disabledFillStipple);
}
if (rectOvalPtr->fillGC != None) {
Tk_FreeGC(display, rectOvalPtr->fillGC);
}
}
void
Tk_Free3DBorder(
Tk_3DBorder border) /* Token for border to be released. */
{
TkBorder *borderPtr = (TkBorder *) border;
Display *display = DisplayOfScreen(borderPtr->screen);
TkBorder *prevPtr;
borderPtr->resourceRefCount--;
if (borderPtr->resourceRefCount > 0) {
return;
}
prevPtr = (TkBorder *) Tcl_GetHashValue(borderPtr->hashPtr);
TkpFreeBorder(borderPtr);
if (borderPtr->bgColorPtr != NULL) {
Tk_FreeColor(borderPtr->bgColorPtr);
}
if (borderPtr->darkColorPtr != NULL) {
Tk_FreeColor(borderPtr->darkColorPtr);
}
if (borderPtr->lightColorPtr != NULL) {
Tk_FreeColor(borderPtr->lightColorPtr);
}
if (borderPtr->shadow != None) {
Tk_FreeBitmap(display, borderPtr->shadow);
}
if (borderPtr->bgGC != None) {
Tk_FreeGC(display, borderPtr->bgGC);
}
if (borderPtr->darkGC != None) {
Tk_FreeGC(display, borderPtr->darkGC);
}
if (borderPtr->lightGC != None) {
Tk_FreeGC(display, borderPtr->lightGC);
}
if (prevPtr == borderPtr) {
if (borderPtr->nextPtr == NULL) {
Tcl_DeleteHashEntry(borderPtr->hashPtr);
} else {
Tcl_SetHashValue(borderPtr->hashPtr, borderPtr->nextPtr);
}
} else {
while (prevPtr->nextPtr != borderPtr) {
prevPtr = prevPtr->nextPtr;
}
prevPtr->nextPtr = borderPtr->nextPtr;
}
if (borderPtr->objRefCount == 0) {
ckfree((char *) borderPtr);
}
}
static void
ImgBmapFree(
ClientData clientData, /* Pointer to BitmapInstance structure for
* instance to be displayed. */
Display *display) /* Display containing window that used image. */
{
BitmapInstance *instancePtr = clientData;
BitmapInstance *prevPtr;
instancePtr->refCount--;
if (instancePtr->refCount > 0) {
return;
}
/*
* There are no more uses of the image within this widget. Free the
* instance structure.
*/
if (instancePtr->fg != NULL) {
Tk_FreeColor(instancePtr->fg);
}
if (instancePtr->bg != NULL) {
Tk_FreeColor(instancePtr->bg);
}
if (instancePtr->bitmap != None) {
Tk_FreePixmap(display, instancePtr->bitmap);
}
if (instancePtr->mask != None) {
Tk_FreePixmap(display, instancePtr->mask);
}
if (instancePtr->gc != None) {
Tk_FreeGC(display, instancePtr->gc);
}
if (instancePtr->masterPtr->instancePtr == instancePtr) {
instancePtr->masterPtr->instancePtr = instancePtr->nextPtr;
} else {
for (prevPtr = instancePtr->masterPtr->instancePtr;
prevPtr->nextPtr != instancePtr; prevPtr = prevPtr->nextPtr) {
/* Empty loop body */
}
prevPtr->nextPtr = instancePtr->nextPtr;
}
ckfree((char *) instancePtr);
}
void
Tk_FreeColorFromObj(
Tk_Window tkwin, /* The window this color lives in. Needed for
* the screen and colormap values. */
Tcl_Obj *objPtr) /* The Tcl_Obj * to be freed. */
{
Tk_FreeColor(Tk_GetColorFromObj(tkwin, objPtr));
FreeColorObjProc(objPtr);
}
/* ARGSUSED */
void
Tk_FreeOptions(
Tk_ConfigSpec *specs, /* Describes legal options. */
char *widgRec, /* Record whose fields contain current values
* for options. */
Display *display, /* X display; needed for freeing some
* resources. */
int needFlags) /* Used to specify additional flags that must
* be present in config specs for them to be
* considered. */
{
register Tk_ConfigSpec *specPtr;
char *ptr;
for (specPtr = specs; specPtr->type != TK_CONFIG_END; specPtr++) {
if ((specPtr->specFlags & needFlags) != needFlags) {
continue;
}
ptr = widgRec + specPtr->offset;
switch (specPtr->type) {
case TK_CONFIG_STRING:
if (*((char **) ptr) != NULL) {
ckfree(*((char **) ptr));
*((char **) ptr) = NULL;
}
break;
case TK_CONFIG_COLOR:
if (*((XColor **) ptr) != NULL) {
Tk_FreeColor(*((XColor **) ptr));
*((XColor **) ptr) = NULL;
}
break;
case TK_CONFIG_FONT:
Tk_FreeFont(*((Tk_Font *) ptr));
*((Tk_Font *) ptr) = NULL;
break;
case TK_CONFIG_BITMAP:
if (*((Pixmap *) ptr) != None) {
Tk_FreeBitmap(display, *((Pixmap *) ptr));
*((Pixmap *) ptr) = None;
}
break;
case TK_CONFIG_BORDER:
if (*((Tk_3DBorder *) ptr) != NULL) {
Tk_Free3DBorder(*((Tk_3DBorder *) ptr));
*((Tk_3DBorder *) ptr) = NULL;
}
break;
case TK_CONFIG_CURSOR:
case TK_CONFIG_ACTIVE_CURSOR:
if (*((Tk_Cursor *) ptr) != None) {
Tk_FreeCursor(display, *((Tk_Cursor *) ptr));
*((Tk_Cursor *) ptr) = None;
}
}
}
}
static void
DeleteText(
Tk_Canvas canvas, /* Info about overall canvas widget. */
Tk_Item *itemPtr, /* Item that is being deleted. */
Display *display) /* Display containing window for canvas. */
{
TextItem *textPtr = (TextItem *) itemPtr;
if (textPtr->color != NULL) {
Tk_FreeColor(textPtr->color);
}
if (textPtr->activeColor != NULL) {
Tk_FreeColor(textPtr->activeColor);
}
if (textPtr->disabledColor != NULL) {
Tk_FreeColor(textPtr->disabledColor);
}
Tk_FreeFont(textPtr->tkfont);
if (textPtr->stipple != None) {
Tk_FreeBitmap(display, textPtr->stipple);
}
if (textPtr->activeStipple != None) {
Tk_FreeBitmap(display, textPtr->activeStipple);
}
if (textPtr->disabledStipple != None) {
Tk_FreeBitmap(display, textPtr->disabledStipple);
}
if (textPtr->text != NULL) {
ckfree(textPtr->text);
}
Tk_FreeTextLayout(textPtr->textLayout);
if (textPtr->gc != NULL) {
Tk_FreeGC(display, textPtr->gc);
}
if (textPtr->selTextGC != NULL) {
Tk_FreeGC(display, textPtr->selTextGC);
}
if (textPtr->cursorOffGC != NULL) {
Tk_FreeGC(display, textPtr->cursorOffGC);
}
}
static void
ImageFree(
ClientData clientData, /* Pointer to TImageInstance for instance. */
Display *display) /* Display where image was to be drawn. */
{
TImageInstance *instPtr = clientData;
char buffer[200];
sprintf(buffer, "%s free", instPtr->masterPtr->imageName);
Tcl_SetVar(instPtr->masterPtr->interp, instPtr->masterPtr->varName, buffer,
TCL_GLOBAL_ONLY|TCL_APPEND_VALUE|TCL_LIST_ELEMENT);
Tk_FreeColor(instPtr->fg);
Tk_FreeGC(display, instPtr->gc);
ckfree((char *) instPtr);
}
callGraphConsts::~callGraphConsts() {
Tk_FreeFont(rootItemFontStruct);
Tk_FreeFont(rootItemItalicFontStruct);
Tk_FreeFont(listboxItemFontStruct);
Tk_FreeFont(listboxItemItalicFontStruct);
Tk_FreeColor(textColor);
Tk_FreeGC(display, rootItemTextGC);
Tk_FreeGC(display, listboxItemGC);
Tk_Free3DBorder(rootItemTk3DBordersByStyle[0]);
Tk_Free3DBorder(rootItemTk3DBordersByStyle[1]);
// Note that we intentionally don't free up anything in
// listboxItemTk3DBordersByStyle, since it was always just a shadow copy
// of the contents of rootItemTk3DBordersByStyle
}
static void
DeleteBitmap(
Tk_Canvas canvas, /* Info about overall canvas widget. */
Tk_Item *itemPtr, /* Item that is being deleted. */
Display *display) /* Display containing window for canvas. */
{
BitmapItem *bmapPtr = (BitmapItem *) itemPtr;
if (bmapPtr->bitmap != None) {
Tk_FreeBitmap(display, bmapPtr->bitmap);
}
if (bmapPtr->activeBitmap != None) {
Tk_FreeBitmap(display, bmapPtr->activeBitmap);
}
if (bmapPtr->disabledBitmap != None) {
Tk_FreeBitmap(display, bmapPtr->disabledBitmap);
}
if (bmapPtr->fgColor != NULL) {
Tk_FreeColor(bmapPtr->fgColor);
}
if (bmapPtr->activeFgColor != NULL) {
Tk_FreeColor(bmapPtr->activeFgColor);
}
if (bmapPtr->disabledFgColor != NULL) {
Tk_FreeColor(bmapPtr->disabledFgColor);
}
if (bmapPtr->bgColor != NULL) {
Tk_FreeColor(bmapPtr->bgColor);
}
if (bmapPtr->activeBgColor != NULL) {
Tk_FreeColor(bmapPtr->activeBgColor);
}
if (bmapPtr->disabledBgColor != NULL) {
Tk_FreeColor(bmapPtr->disabledBgColor);
}
if (bmapPtr->gc != NULL) {
Tk_FreeGC(display, bmapPtr->gc);
}
}
static int
DoConfig(
Tcl_Interp *interp, /* Interpreter for error reporting. */
Tk_Window tkwin, /* Window containing widget (needed to set up
* X resources). */
Tk_ConfigSpec *specPtr, /* Specifier to apply. */
Tk_Uid value, /* Value to use to fill in widgRec. */
int valueIsUid, /* Non-zero means value is a Tk_Uid; zero
* means it's an ordinary string. */
char *widgRec) /* Record whose fields are to be modified.
* Values must be properly initialized. */
{
char *ptr;
Tk_Uid uid;
int nullValue;
nullValue = 0;
if ((*value == 0) && (specPtr->specFlags & TK_CONFIG_NULL_OK)) {
nullValue = 1;
}
do {
ptr = widgRec + specPtr->offset;
switch (specPtr->type) {
case TK_CONFIG_BOOLEAN:
if (Tcl_GetBoolean(interp, value, (int *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_INT:
if (Tcl_GetInt(interp, value, (int *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_DOUBLE:
if (Tcl_GetDouble(interp, value, (double *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_STRING: {
char *oldStr, *newStr;
if (nullValue) {
newStr = NULL;
} else {
newStr = (char *) ckalloc((unsigned) (strlen(value) + 1));
strcpy(newStr, value);
}
oldStr = *((char **) ptr);
if (oldStr != NULL) {
ckfree(oldStr);
}
*((char **) ptr) = newStr;
break;
}
case TK_CONFIG_UID:
if (nullValue) {
*((Tk_Uid *) ptr) = NULL;
} else {
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
*((Tk_Uid *) ptr) = uid;
}
break;
case TK_CONFIG_COLOR: {
XColor *newPtr, *oldPtr;
if (nullValue) {
newPtr = NULL;
} else {
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
newPtr = Tk_GetColor(interp, tkwin, uid);
if (newPtr == NULL) {
return TCL_ERROR;
}
}
oldPtr = *((XColor **) ptr);
if (oldPtr != NULL) {
Tk_FreeColor(oldPtr);
}
*((XColor **) ptr) = newPtr;
break;
}
case TK_CONFIG_FONT: {
Tk_Font newFont;
if (nullValue) {
newFont = NULL;
} else {
newFont = Tk_GetFont(interp, tkwin, value);
if (newFont == NULL) {
return TCL_ERROR;
}
}
Tk_FreeFont(*((Tk_Font *) ptr));
*((Tk_Font *) ptr) = newFont;
break;
}
case TK_CONFIG_BITMAP: {
Pixmap newBmp, oldBmp;
if (nullValue) {
newBmp = None;
} else {
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
newBmp = Tk_GetBitmap(interp, tkwin, uid);
if (newBmp == None) {
return TCL_ERROR;
}
}
oldBmp = *((Pixmap *) ptr);
if (oldBmp != None) {
Tk_FreeBitmap(Tk_Display(tkwin), oldBmp);
}
*((Pixmap *) ptr) = newBmp;
break;
}
case TK_CONFIG_BORDER: {
Tk_3DBorder newBorder, oldBorder;
if (nullValue) {
newBorder = NULL;
} else {
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
newBorder = Tk_Get3DBorder(interp, tkwin, uid);
if (newBorder == NULL) {
return TCL_ERROR;
}
}
oldBorder = *((Tk_3DBorder *) ptr);
if (oldBorder != NULL) {
Tk_Free3DBorder(oldBorder);
}
*((Tk_3DBorder *) ptr) = newBorder;
break;
}
case TK_CONFIG_RELIEF:
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
if (Tk_GetRelief(interp, uid, (int *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_CURSOR:
case TK_CONFIG_ACTIVE_CURSOR: {
Tk_Cursor newCursor, oldCursor;
if (nullValue) {
newCursor = None;
} else {
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
newCursor = Tk_GetCursor(interp, tkwin, uid);
if (newCursor == None) {
return TCL_ERROR;
}
}
oldCursor = *((Tk_Cursor *) ptr);
if (oldCursor != None) {
Tk_FreeCursor(Tk_Display(tkwin), oldCursor);
}
*((Tk_Cursor *) ptr) = newCursor;
if (specPtr->type == TK_CONFIG_ACTIVE_CURSOR) {
Tk_DefineCursor(tkwin, newCursor);
}
break;
}
case TK_CONFIG_JUSTIFY:
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
if (Tk_GetJustify(interp, uid, (Tk_Justify *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_ANCHOR:
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
if (Tk_GetAnchor(interp, uid, (Tk_Anchor *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_CAP_STYLE:
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
if (Tk_GetCapStyle(interp, uid, (int *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_JOIN_STYLE:
uid = valueIsUid ? (Tk_Uid) value : Tk_GetUid(value);
if (Tk_GetJoinStyle(interp, uid, (int *) ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_PIXELS:
if (Tk_GetPixels(interp, tkwin, value, (int *) ptr)
!= TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_MM:
if (Tk_GetScreenMM(interp, tkwin, value, (double*)ptr) != TCL_OK) {
return TCL_ERROR;
}
break;
case TK_CONFIG_WINDOW: {
Tk_Window tkwin2;
if (nullValue) {
tkwin2 = NULL;
} else {
tkwin2 = Tk_NameToWindow(interp, value, tkwin);
if (tkwin2 == NULL) {
return TCL_ERROR;
}
}
*((Tk_Window *) ptr) = tkwin2;
break;
}
case TK_CONFIG_CUSTOM:
if ((*specPtr->customPtr->parseProc)(
specPtr->customPtr->clientData, interp, tkwin, value,
widgRec, specPtr->offset) != TCL_OK) {
return TCL_ERROR;
}
break;
default: {
char buf[64 + TCL_INTEGER_SPACE];
sprintf(buf, "bad config table: unknown type %d", specPtr->type);
Tcl_SetResult(interp, buf, TCL_VOLATILE);
return TCL_ERROR;
}
}
specPtr++;
} while ((specPtr->argvName == NULL) && (specPtr->type != TK_CONFIG_END));
return TCL_OK;
}
static void
ImgBmapConfigureInstance(
BitmapInstance *instancePtr)/* Instance to reconfigure. */
{
BitmapMaster *masterPtr = instancePtr->masterPtr;
XColor *colorPtr;
XGCValues gcValues;
GC gc;
unsigned int mask;
Pixmap oldBitmap, oldMask;
/*
* For each of the options in masterPtr, translate the string form into an
* internal form appropriate for instancePtr.
*/
if (*masterPtr->bgUid != 0) {
colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
masterPtr->bgUid);
if (colorPtr == NULL) {
goto error;
}
} else {
colorPtr = NULL;
}
if (instancePtr->bg != NULL) {
Tk_FreeColor(instancePtr->bg);
}
instancePtr->bg = colorPtr;
colorPtr = Tk_GetColor(masterPtr->interp, instancePtr->tkwin,
masterPtr->fgUid);
if (colorPtr == NULL) {
goto error;
}
if (instancePtr->fg != NULL) {
Tk_FreeColor(instancePtr->fg);
}
instancePtr->fg = colorPtr;
/*
* Careful: We have to allocate new Pixmaps before deleting the old ones.
* Otherwise, The XID allocator will always return the same XID for the
* new Pixmaps as was used for the old Pixmaps. And that will prevent the
* data and/or mask from changing in the GC below.
*/
oldBitmap = instancePtr->bitmap;
instancePtr->bitmap = None;
oldMask = instancePtr->mask;
instancePtr->mask = None;
if (masterPtr->data != NULL) {
instancePtr->bitmap = XCreateBitmapFromData(
Tk_Display(instancePtr->tkwin),
RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
masterPtr->data, (unsigned) masterPtr->width,
(unsigned) masterPtr->height);
}
if (masterPtr->maskData != NULL) {
instancePtr->mask = XCreateBitmapFromData(
Tk_Display(instancePtr->tkwin),
RootWindowOfScreen(Tk_Screen(instancePtr->tkwin)),
masterPtr->maskData, (unsigned) masterPtr->width,
(unsigned) masterPtr->height);
}
if (oldMask != None) {
Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldMask);
}
if (oldBitmap != None) {
Tk_FreePixmap(Tk_Display(instancePtr->tkwin), oldBitmap);
}
if (masterPtr->data != NULL) {
gcValues.foreground = instancePtr->fg->pixel;
gcValues.graphics_exposures = False;
mask = GCForeground|GCGraphicsExposures;
if (instancePtr->bg != NULL) {
gcValues.background = instancePtr->bg->pixel;
mask |= GCBackground;
if (instancePtr->mask != None) {
gcValues.clip_mask = instancePtr->mask;
mask |= GCClipMask;
}
} else {
gcValues.clip_mask = instancePtr->bitmap;
mask |= GCClipMask;
}
gc = Tk_GetGC(instancePtr->tkwin, mask, &gcValues);
} else {
gc = None;
}
if (instancePtr->gc != None) {
Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
}
instancePtr->gc = gc;
return;
error:
/*
* An error occurred: clear the graphics context in the instance to make
* it clear that this instance cannot be displayed. Then report the error.
*/
if (instancePtr->gc != None) {
Tk_FreeGC(Tk_Display(instancePtr->tkwin), instancePtr->gc);
}
instancePtr->gc = None;
Tcl_AppendObjToErrorInfo(masterPtr->interp, Tcl_ObjPrintf(
"\n (while configuring image \"%s\")", Tk_NameOfImage(
masterPtr->tkMaster)));
Tcl_BackgroundError(masterPtr->interp);
}
