/*
** zWin is the name of a child widget that is used to implement an
** input element. Query Tk for information about this widget (such
** as its size) and put that information in the pElem structure
** that represents the input.
*/
static void SizeAndLink(HtmlWidget *htmlPtr, char *zWin, HtmlElement *pElem){
pElem->input.tkwin = Tk_NameToWindow(htmlPtr->interp, zWin, htmlPtr->clipwin);
if( pElem->input.tkwin==0 ){
Tcl_ResetResult(htmlPtr->interp);
EmptyInput(pElem);
}else if( pElem->input.type==INPUT_TYPE_Hidden ){
pElem->input.w = 0;
pElem->input.h = 0;
pElem->base.flags &= !HTML_Visible;
pElem->base.style.flags |= STY_Invisible;
}else{
pElem->input.w = Tk_ReqWidth(pElem->input.tkwin);
pElem->input.h = Tk_ReqHeight(pElem->input.tkwin);
pElem->base.flags |= HTML_Visible;
pElem->input.htmlPtr = htmlPtr;
Tk_ManageGeometry(pElem->input.tkwin, &htmlGeomType, pElem);
Tk_CreateEventHandler(pElem->input.tkwin, StructureNotifyMask,
HtmlInputEventProc, pElem);
}
pElem->input.pNext = 0;
if( htmlPtr->firstInput==0 ){
htmlPtr->firstInput = pElem;
}else{
htmlPtr->lastInput->input.pNext = pElem;
}
htmlPtr->lastInput = pElem;
pElem->input.sized = 1;
}
static void
DeleteWinItem(
Tk_Canvas canvas, /* Overall info about widget. */
Tk_Item *itemPtr, /* Item that is being deleted. */
Display *display) /* Display containing window for canvas. */
{
WindowItem *winItemPtr = (WindowItem *) itemPtr;
Tk_Window canvasTkwin = Tk_CanvasTkwin(canvas);
if (winItemPtr->tkwin != NULL) {
Tk_DeleteEventHandler(winItemPtr->tkwin, StructureNotifyMask,
WinItemStructureProc, winItemPtr);
Tk_ManageGeometry(winItemPtr->tkwin, NULL, NULL);
if (canvasTkwin != Tk_Parent(winItemPtr->tkwin)) {
Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
}
Tk_UnmapWindow(winItemPtr->tkwin);
}
}
static void
DestroyBusy(
char *data) /* Busy window structure record */
{
register Busy *busyPtr = (Busy *) data;
if (busyPtr->hashPtr != NULL) {
Tcl_DeleteHashEntry(busyPtr->hashPtr);
}
Tk_DeleteEventHandler(busyPtr->tkRef, StructureNotifyMask,
RefWinEventProc, busyPtr);
if (busyPtr->tkBusy != NULL) {
Tk_FreeConfigOptions(data, busyPtr->optionTable, busyPtr->tkBusy);
Tk_DeleteEventHandler(busyPtr->tkBusy, StructureNotifyMask,
BusyEventProc, busyPtr);
Tk_ManageGeometry(busyPtr->tkBusy, NULL, busyPtr);
Tk_DestroyWindow(busyPtr->tkBusy);
}
ckfree(data);
}
/* ++ InsertSlave --
* Adds slave to the list of managed windows.
*/
static void InsertSlave(Ttk_Manager *mgr, Ttk_Slave *slave, int index)
{
int endIndex = mgr->nSlaves++;
mgr->slaves = (Ttk_Slave**)ckrealloc(
(ClientData)mgr->slaves, mgr->nSlaves * sizeof(Ttk_Slave *));
while (endIndex > index) {
mgr->slaves[endIndex] = mgr->slaves[endIndex - 1];
--endIndex;
}
mgr->slaves[index] = slave;
Tk_ManageGeometry(slave->slaveWindow,
&mgr->managerSpec->tkGeomMgr, (ClientData)mgr);
Tk_CreateEventHandler(slave->slaveWindow,
SlaveEventMask, SlaveEventHandler, (ClientData)slave);
ScheduleUpdate(mgr, MGR_RESIZE_REQUIRED);
}
static int
ConfigureSlave(
Tcl_Interp *interp, /* Used for error reporting. */
Tk_Window tkwin, /* Token for the window to manipulate. */
Tk_OptionTable table, /* Token for option table. */
int objc, /* Number of config arguments. */
Tcl_Obj *const objv[]) /* Object values for arguments. */
{
register Master *masterPtr;
Tk_SavedOptions savedOptions;
int mask;
Slave *slavePtr;
Tk_Window masterWin = (Tk_Window) NULL;
if (Tk_TopWinHierarchy(tkwin)) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't use placer on top-level window \"%s\"; use "
"wm command instead", Tk_PathName(tkwin)));
Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "TOPLEVEL", NULL);
return TCL_ERROR;
}
slavePtr = CreateSlave(tkwin, table);
if (Tk_SetOptions(interp, (char *) slavePtr, table, objc, objv,
slavePtr->tkwin, &savedOptions, &mask) != TCL_OK) {
goto error;
}
/*
* Set slave flags. First clear the field, then add bits as needed.
*/
slavePtr->flags = 0;
if (slavePtr->heightPtr) {
slavePtr->flags |= CHILD_HEIGHT;
}
if (slavePtr->relHeightPtr) {
slavePtr->flags |= CHILD_REL_HEIGHT;
}
if (slavePtr->relWidthPtr) {
slavePtr->flags |= CHILD_REL_WIDTH;
}
if (slavePtr->widthPtr) {
slavePtr->flags |= CHILD_WIDTH;
}
if (!(mask & IN_MASK) && (slavePtr->masterPtr != NULL)) {
/*
* If no -in option was passed and the slave is already placed then
* just recompute the placement.
*/
masterPtr = slavePtr->masterPtr;
goto scheduleLayout;
} else if (mask & IN_MASK) {
/* -in changed */
Tk_Window tkwin;
Tk_Window ancestor;
tkwin = slavePtr->inTkwin;
/*
* Make sure that the new master is either the logical parent of the
* slave or a descendant of that window, and that the master and slave
* aren't the same.
*/
for (ancestor = tkwin; ; ancestor = Tk_Parent(ancestor)) {
if (ancestor == Tk_Parent(slavePtr->tkwin)) {
break;
}
if (Tk_TopWinHierarchy(ancestor)) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't place %s relative to %s",
Tk_PathName(slavePtr->tkwin), Tk_PathName(tkwin)));
Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "HIERARCHY", NULL);
goto error;
}
}
if (slavePtr->tkwin == tkwin) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't place %s relative to itself",
Tk_PathName(slavePtr->tkwin)));
Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "LOOP", NULL);
goto error;
}
if ((slavePtr->masterPtr != NULL)
&& (slavePtr->masterPtr->tkwin == tkwin)) {
/*
* Re-using same old master. Nothing to do.
*/
masterPtr = slavePtr->masterPtr;
goto scheduleLayout;
}
if ((slavePtr->masterPtr != NULL) &&
(slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
}
UnlinkSlave(slavePtr);
masterWin = tkwin;
}
/*
* If there's no master specified for this slave, use its Tk_Parent.
*/
if (masterWin == NULL) {
masterWin = Tk_Parent(slavePtr->tkwin);
slavePtr->inTkwin = masterWin;
}
/*
* Manage the slave window in this master.
*/
masterPtr = CreateMaster(masterWin);
slavePtr->masterPtr = masterPtr;
slavePtr->nextPtr = masterPtr->slavePtr;
masterPtr->slavePtr = slavePtr;
Tk_ManageGeometry(slavePtr->tkwin, &placerType, slavePtr);
/*
* Arrange for the master to be re-arranged at the first idle moment.
*/
scheduleLayout:
Tk_FreeSavedOptions(&savedOptions);
if (!(masterPtr->flags & PARENT_RECONFIG_PENDING)) {
masterPtr->flags |= PARENT_RECONFIG_PENDING;
Tcl_DoWhenIdle(RecomputePlacement, masterPtr);
}
return TCL_OK;
/*
* Error while processing some option, cleanup and return.
*/
error:
Tk_RestoreSavedOptions(&savedOptions);
return TCL_ERROR;
}
int
Tk_PlaceObjCmd(
ClientData clientData, /* Interpreter main window. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tk_Window main_win = clientData;
Tk_Window tkwin;
Slave *slavePtr;
TkDisplay *dispPtr;
Tk_OptionTable optionTable;
static const char *const optionStrings[] = {
"configure", "forget", "info", "slaves", NULL
};
enum options { PLACE_CONFIGURE, PLACE_FORGET, PLACE_INFO, PLACE_SLAVES };
int index;
if (objc < 3) {
Tcl_WrongNumArgs(interp, 1, objv, "option|pathName args");
return TCL_ERROR;
}
/*
* Create the option table for this widget class. If it has already been
* created, the cached pointer will be returned.
*/
optionTable = Tk_CreateOptionTable(interp, optionSpecs);
/*
* Handle special shortcut where window name is first argument.
*/
if (Tcl_GetString(objv[1])[0] == '.') {
if (TkGetWindowFromObj(interp, main_win, objv[1],
&tkwin) != TCL_OK) {
return TCL_ERROR;
}
/*
* Initialize, if that hasn't been done yet.
*/
dispPtr = ((TkWindow *) tkwin)->dispPtr;
if (!dispPtr->placeInit) {
Tcl_InitHashTable(&dispPtr->masterTable, TCL_ONE_WORD_KEYS);
Tcl_InitHashTable(&dispPtr->slaveTable, TCL_ONE_WORD_KEYS);
dispPtr->placeInit = 1;
}
return ConfigureSlave(interp, tkwin, optionTable, objc-2, objv+2);
}
/*
* Handle more general case of option followed by window name followed by
* possible additional arguments.
*/
if (TkGetWindowFromObj(interp, main_win, objv[2],
&tkwin) != TCL_OK) {
return TCL_ERROR;
}
/*
* Initialize, if that hasn't been done yet.
*/
dispPtr = ((TkWindow *) tkwin)->dispPtr;
if (!dispPtr->placeInit) {
Tcl_InitHashTable(&dispPtr->masterTable, TCL_ONE_WORD_KEYS);
Tcl_InitHashTable(&dispPtr->slaveTable, TCL_ONE_WORD_KEYS);
dispPtr->placeInit = 1;
}
if (Tcl_GetIndexFromObjStruct(interp, objv[1], optionStrings,
sizeof(char *), "option", 0, &index) != TCL_OK) {
return TCL_ERROR;
}
switch ((enum options) index) {
case PLACE_CONFIGURE:
if (objc == 3 || objc == 4) {
Tcl_Obj *objPtr;
slavePtr = FindSlave(tkwin);
if (slavePtr == NULL) {
return TCL_OK;
}
objPtr = Tk_GetOptionInfo(interp, (char *) slavePtr, optionTable,
(objc == 4) ? objv[3] : NULL, tkwin);
if (objPtr == NULL) {
return TCL_ERROR;
}
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
return ConfigureSlave(interp, tkwin, optionTable, objc-3, objv+3);
case PLACE_FORGET:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "pathName");
return TCL_ERROR;
}
slavePtr = FindSlave(tkwin);
if (slavePtr == NULL) {
return TCL_OK;
}
if ((slavePtr->masterPtr != NULL) &&
(slavePtr->masterPtr->tkwin != Tk_Parent(slavePtr->tkwin))) {
Tk_UnmaintainGeometry(slavePtr->tkwin, slavePtr->masterPtr->tkwin);
}
UnlinkSlave(slavePtr);
Tcl_DeleteHashEntry(Tcl_FindHashEntry(&dispPtr->slaveTable,
(char *) tkwin));
Tk_DeleteEventHandler(tkwin, StructureNotifyMask, SlaveStructureProc,
slavePtr);
Tk_ManageGeometry(tkwin, NULL, NULL);
Tk_UnmapWindow(tkwin);
FreeSlave(slavePtr);
break;
case PLACE_INFO:
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "pathName");
return TCL_ERROR;
}
return PlaceInfoCommand(interp, tkwin);
case PLACE_SLAVES: {
Master *masterPtr;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "pathName");
return TCL_ERROR;
}
masterPtr = FindMaster(tkwin);
if (masterPtr != NULL) {
Tcl_Obj *listPtr = Tcl_NewObj();
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL;
slavePtr = slavePtr->nextPtr) {
Tcl_ListObjAppendElement(NULL, listPtr,
TkNewWindowObj(slavePtr->tkwin));
}
Tcl_SetObjResult(interp, listPtr);
}
break;
}
}
return TCL_OK;
}
/*ARGSUSED*/
static int
EmbWinLayoutProc(
TkText *textPtr, /* Text widget being layed out. */
TkTextIndex *indexPtr, /* Identifies first character in chunk. */
TkTextSegment *ewPtr, /* Segment corresponding to indexPtr. */
int offset, /* Offset within segPtr corresponding to
* indexPtr (always 0). */
int maxX, /* Chunk must not occupy pixels at this
* position or higher. */
int maxChars, /* Chunk must not include more than this many
* characters. */
int noCharsYet, /* Non-zero means no characters have been
* assigned to this line yet. */
TkWrapMode wrapMode, /* Wrap mode to use for line:
* TEXT_WRAPMODE_CHAR, TEXT_WRAPMODE_NONE, or
* TEXT_WRAPMODE_WORD. */
register TkTextDispChunk *chunkPtr)
/* Structure to fill in with information about
* this chunk. The x field has already been
* set by the caller. */
{
int width, height;
TkTextEmbWindowClient *client;
if (offset != 0) {
Tcl_Panic("Non-zero offset in EmbWinLayoutProc");
}
client = EmbWinGetClient(textPtr, ewPtr);
if (client == NULL) {
ewPtr->body.ew.tkwin = NULL;
} else {
ewPtr->body.ew.tkwin = client->tkwin;
}
if ((ewPtr->body.ew.tkwin == NULL) && (ewPtr->body.ew.create != NULL)) {
int code, isNew;
Tk_Window ancestor;
Tcl_HashEntry *hPtr;
const char *before, *string;
Tcl_DString name, buf, *dsPtr = NULL;
before = ewPtr->body.ew.create;
/*
* Find everything up to the next % character and append it to the
* result string.
*/
string = before;
while (*string != 0) {
if ((*string == '%') && (string[1] == '%' || string[1] == 'W')) {
if (dsPtr == NULL) {
Tcl_DStringInit(&buf);
dsPtr = &buf;
}
if (string != before) {
Tcl_DStringAppend(dsPtr, before, (int) (string-before));
before = string;
}
if (string[1] == '%') {
Tcl_DStringAppend(dsPtr, "%", 1);
} else {
/*
* Substitute string as proper Tcl list element.
*/
int spaceNeeded, cvtFlags, length;
const char *str = Tk_PathName(textPtr->tkwin);
spaceNeeded = Tcl_ScanElement(str, &cvtFlags);
length = Tcl_DStringLength(dsPtr);
Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
spaceNeeded = Tcl_ConvertElement(str,
Tcl_DStringValue(dsPtr) + length,
cvtFlags | TCL_DONT_USE_BRACES);
Tcl_DStringSetLength(dsPtr, length + spaceNeeded);
}
before += 2;
string++;
}
string++;
}
/*
* The window doesn't currently exist. Create it by evaluating the
* creation script. The script must return the window's path name:
* look up that name to get back to the window token. Then register
* ourselves as the geometry manager for the window.
*/
if (dsPtr != NULL) {
Tcl_DStringAppend(dsPtr, before, (int) (string-before));
code = Tcl_GlobalEval(textPtr->interp, Tcl_DStringValue(dsPtr));
Tcl_DStringFree(dsPtr);
} else {
code = Tcl_GlobalEval(textPtr->interp, ewPtr->body.ew.create);
}
if (code != TCL_OK) {
createError:
Tcl_BackgroundException(textPtr->interp, code);
goto gotWindow;
}
Tcl_DStringInit(&name);
Tcl_DStringAppend(&name, Tcl_GetStringResult(textPtr->interp), -1);
Tcl_ResetResult(textPtr->interp);
ewPtr->body.ew.tkwin = Tk_NameToWindow(textPtr->interp,
Tcl_DStringValue(&name), textPtr->tkwin);
Tcl_DStringFree(&name);
if (ewPtr->body.ew.tkwin == NULL) {
goto createError;
}
for (ancestor = textPtr->tkwin; ; ancestor = Tk_Parent(ancestor)) {
if (ancestor == Tk_Parent(ewPtr->body.ew.tkwin)) {
break;
}
if (Tk_TopWinHierarchy(ancestor)) {
badMaster:
Tcl_AppendResult(textPtr->interp, "can't embed ",
Tk_PathName(ewPtr->body.ew.tkwin), " relative to ",
Tk_PathName(textPtr->tkwin), NULL);
Tcl_BackgroundError(textPtr->interp);
ewPtr->body.ew.tkwin = NULL;
goto gotWindow;
}
}
if (Tk_TopWinHierarchy(ewPtr->body.ew.tkwin)
|| (textPtr->tkwin == ewPtr->body.ew.tkwin)) {
goto badMaster;
}
if (client == NULL) {
/*
* We just used a '-create' script to make a new window, which we
* now need to add to our client list.
*/
client = (TkTextEmbWindowClient *)
ckalloc(sizeof(TkTextEmbWindowClient));
client->next = ewPtr->body.ew.clients;
client->textPtr = textPtr;
client->tkwin = NULL;
client->chunkCount = 0;
client->displayed = 0;
client->parent = ewPtr;
ewPtr->body.ew.clients = client;
}
client->tkwin = ewPtr->body.ew.tkwin;
Tk_ManageGeometry(client->tkwin, &textGeomType, client);
Tk_CreateEventHandler(client->tkwin, StructureNotifyMask,
EmbWinStructureProc, client);
/*
* Special trick! Must enter into the hash table *after* calling
* Tk_ManageGeometry: if the window was already managed elsewhere in
* this text, the Tk_ManageGeometry call will cause the entry to be
* removed, which could potentially lose the new entry.
*/
hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->windowTable,
Tk_PathName(client->tkwin), &isNew);
Tcl_SetHashValue(hPtr, ewPtr);
}
/*
* See if there's room for this window on this line.
*/
gotWindow:
if (ewPtr->body.ew.tkwin == NULL) {
width = 0;
height = 0;
} else {
width = Tk_ReqWidth(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padX;
height = Tk_ReqHeight(ewPtr->body.ew.tkwin) + 2*ewPtr->body.ew.padY;
}
if ((width > (maxX - chunkPtr->x))
&& !noCharsYet && (textPtr->wrapMode != TEXT_WRAPMODE_NONE)) {
return 0;
}
/*
* Fill in the chunk structure.
*/
chunkPtr->displayProc = TkTextEmbWinDisplayProc;
chunkPtr->undisplayProc = EmbWinUndisplayProc;
chunkPtr->measureProc = NULL;
chunkPtr->bboxProc = EmbWinBboxProc;
chunkPtr->numBytes = 1;
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
chunkPtr->minAscent = height - ewPtr->body.ew.padY;
chunkPtr->minDescent = ewPtr->body.ew.padY;
chunkPtr->minHeight = 0;
} else {
chunkPtr->minAscent = 0;
chunkPtr->minDescent = 0;
chunkPtr->minHeight = height;
}
chunkPtr->width = width;
chunkPtr->breakIndex = -1;
chunkPtr->breakIndex = 1;
chunkPtr->clientData = ewPtr;
if (client != NULL) {
client->chunkCount += 1;
}
return 1;
}
static int
EmbWinConfigure(
TkText *textPtr, /* Information about text widget that contains
* embedded window. */
TkTextSegment *ewPtr, /* Embedded window to be configured. */
int objc, /* Number of strings in objv. */
Tcl_Obj *const objv[]) /* Array of objects describing configuration
* options. */
{
Tk_Window oldWindow;
TkTextEmbWindowClient *client;
/*
* Copy over client specific value before querying or setting.
*/
client = EmbWinGetClient(textPtr, ewPtr);
if (client != NULL) {
ewPtr->body.ew.tkwin = client->tkwin;
} else {
ewPtr->body.ew.tkwin = NULL;
}
oldWindow = ewPtr->body.ew.tkwin;
if (Tk_SetOptions(textPtr->interp, (char *) &ewPtr->body.ew,
ewPtr->body.ew.optionTable, objc, objv, textPtr->tkwin, NULL,
NULL) != TCL_OK) {
return TCL_ERROR;
}
if (oldWindow != ewPtr->body.ew.tkwin) {
if (oldWindow != NULL) {
Tcl_DeleteHashEntry(Tcl_FindHashEntry(
&textPtr->sharedTextPtr->windowTable,
Tk_PathName(oldWindow)));
Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
EmbWinStructureProc, client);
Tk_ManageGeometry(oldWindow, NULL, NULL);
if (textPtr->tkwin != Tk_Parent(oldWindow)) {
Tk_UnmaintainGeometry(oldWindow, textPtr->tkwin);
} else {
Tk_UnmapWindow(oldWindow);
}
}
if (client != NULL) {
client->tkwin = NULL;
}
if (ewPtr->body.ew.tkwin != NULL) {
Tk_Window ancestor, parent;
Tcl_HashEntry *hPtr;
int isNew;
/*
* Make sure that the text is either the parent of the embedded
* window or a descendant of that parent. Also, don't allow a
* top-level window to be managed inside a text.
*/
parent = Tk_Parent(ewPtr->body.ew.tkwin);
for (ancestor = textPtr->tkwin; ; ancestor = Tk_Parent(ancestor)) {
if (ancestor == parent) {
break;
}
if (Tk_TopWinHierarchy(ancestor)) {
badMaster:
Tcl_AppendResult(textPtr->interp, "can't embed ",
Tk_PathName(ewPtr->body.ew.tkwin), " in ",
Tk_PathName(textPtr->tkwin), NULL);
ewPtr->body.ew.tkwin = NULL;
if (client != NULL) {
client->tkwin = NULL;
}
return TCL_ERROR;
}
}
if (Tk_TopWinHierarchy(ewPtr->body.ew.tkwin)
|| (ewPtr->body.ew.tkwin == textPtr->tkwin)) {
goto badMaster;
}
if (client == NULL) {
/*
* Have to make the new client.
*/
client = (TkTextEmbWindowClient *)
ckalloc(sizeof(TkTextEmbWindowClient));
client->next = ewPtr->body.ew.clients;
client->textPtr = textPtr;
client->tkwin = NULL;
client->chunkCount = 0;
client->displayed = 0;
client->parent = ewPtr;
ewPtr->body.ew.clients = client;
}
client->tkwin = ewPtr->body.ew.tkwin;
/*
* Take over geometry management for the window, plus create an
* event handler to find out when it is deleted.
*/
Tk_ManageGeometry(ewPtr->body.ew.tkwin, &textGeomType, client);
Tk_CreateEventHandler(ewPtr->body.ew.tkwin, StructureNotifyMask,
EmbWinStructureProc, client);
/*
* Special trick! Must enter into the hash table *after* calling
* Tk_ManageGeometry: if the window was already managed elsewhere
* in this text, the Tk_ManageGeometry call will cause the entry
* to be removed, which could potentially lose the new entry.
*/
hPtr = Tcl_CreateHashEntry(&textPtr->sharedTextPtr->windowTable,
Tk_PathName(ewPtr->body.ew.tkwin), &isNew);
Tcl_SetHashValue(hPtr, ewPtr);
}
}
return TCL_OK;
}
static int
ConfigureWinItem(
Tcl_Interp *interp, /* Used for error reporting. */
Tk_Canvas canvas, /* Canvas containing itemPtr. */
Tk_Item *itemPtr, /* Window item to reconfigure. */
int objc, /* Number of elements in objv. */
Tcl_Obj *const objv[], /* Arguments describing things to configure. */
int flags) /* Flags to pass to Tk_ConfigureWidget. */
{
WindowItem *winItemPtr = (WindowItem *) itemPtr;
Tk_Window oldWindow;
Tk_Window canvasTkwin;
oldWindow = winItemPtr->tkwin;
canvasTkwin = Tk_CanvasTkwin(canvas);
if (TCL_OK != Tk_ConfigureWidget(interp, canvasTkwin, configSpecs, objc,
(const char **) objv, (char *) winItemPtr, flags|TK_CONFIG_OBJS)) {
return TCL_ERROR;
}
/*
* A few of the options require additional processing.
*/
if (oldWindow != winItemPtr->tkwin) {
if (oldWindow != NULL) {
Tk_DeleteEventHandler(oldWindow, StructureNotifyMask,
WinItemStructureProc, winItemPtr);
Tk_ManageGeometry(oldWindow, NULL, NULL);
Tk_UnmaintainGeometry(oldWindow, canvasTkwin);
Tk_UnmapWindow(oldWindow);
}
if (winItemPtr->tkwin != NULL) {
Tk_Window ancestor, parent;
/*
* Make sure that the canvas is either the parent of the window
* associated with the item or a descendant of that parent. Also,
* don't allow a top-of-hierarchy window to be managed inside a
* canvas.
*/
parent = Tk_Parent(winItemPtr->tkwin);
for (ancestor = canvasTkwin ;; ancestor = Tk_Parent(ancestor)) {
if (ancestor == parent) {
break;
}
if (((Tk_FakeWin *) ancestor)->flags & TK_TOP_HIERARCHY) {
goto badWindow;
}
}
if (((Tk_FakeWin *) winItemPtr->tkwin)->flags & TK_TOP_HIERARCHY){
goto badWindow;
}
if (winItemPtr->tkwin == canvasTkwin) {
goto badWindow;
}
Tk_CreateEventHandler(winItemPtr->tkwin, StructureNotifyMask,
WinItemStructureProc, winItemPtr);
Tk_ManageGeometry(winItemPtr->tkwin, &canvasGeomType, winItemPtr);
}
}
if ((winItemPtr->tkwin != NULL)
&& (itemPtr->state == TK_STATE_HIDDEN)) {
if (canvasTkwin == Tk_Parent(winItemPtr->tkwin)) {
Tk_UnmapWindow(winItemPtr->tkwin);
} else {
Tk_UnmaintainGeometry(winItemPtr->tkwin, canvasTkwin);
}
}
ComputeWindowBbox(canvas, winItemPtr);
return TCL_OK;
badWindow:
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"can't use %s in a window item of this canvas",
Tk_PathName(winItemPtr->tkwin)));
Tcl_SetErrorCode(interp, "TK", "GEOMETRY", "HIERARCHY", NULL);
winItemPtr->tkwin = NULL;
return TCL_ERROR;
}
static Busy *
CreateBusy(
Tcl_Interp *interp, /* Interpreter to report error to */
Tk_Window tkRef) /* Window hosting the busy window */
{
Busy *busyPtr;
int length, x, y;
const char *fmt;
char *name;
Tk_Window tkBusy, tkChild, tkParent;
Window parent;
Tk_FakeWin *winPtr;
busyPtr = (Busy *) ckalloc(sizeof(Busy));
x = y = 0;
length = strlen(Tk_Name(tkRef));
name = ckalloc(length + 6);
if (Tk_IsTopLevel(tkRef)) {
fmt = "_Busy"; /* Child */
tkParent = tkRef;
} else {
Tk_Window tkwin;
fmt = "%s_Busy"; /* Sibling */
tkParent = Tk_Parent(tkRef);
for (tkwin = tkRef; (tkwin != NULL) && !Tk_IsTopLevel(tkwin);
tkwin = Tk_Parent(tkwin)) {
if (tkwin == tkParent) {
break;
}
x += Tk_X(tkwin) + Tk_Changes(tkwin)->border_width;
y += Tk_Y(tkwin) + Tk_Changes(tkwin)->border_width;
}
}
for (tkChild = FirstChild(tkParent); tkChild != NULL;
tkChild = NextChild(tkChild)) {
Tk_MakeWindowExist(tkChild);
}
sprintf(name, fmt, Tk_Name(tkRef));
tkBusy = Tk_CreateWindow(interp, tkParent, name, NULL);
ckfree(name);
if (tkBusy == NULL) {
return NULL;
}
Tk_MakeWindowExist(tkRef);
busyPtr->display = Tk_Display(tkRef);
busyPtr->interp = interp;
busyPtr->tkRef = tkRef;
busyPtr->tkParent = tkParent;
busyPtr->tkBusy = tkBusy;
busyPtr->width = Tk_Width(tkRef);
busyPtr->height = Tk_Height(tkRef);
busyPtr->x = Tk_X(tkRef);
busyPtr->y = Tk_Y(tkRef);
busyPtr->cursor = None;
Tk_SetClass(tkBusy, "Busy");
busyPtr->optionTable = Tk_CreateOptionTable(interp, busyOptionSpecs);
if (Tk_InitOptions(interp, (char *) busyPtr, busyPtr->optionTable,
tkBusy) != TCL_OK) {
Tk_DestroyWindow(tkBusy);
return NULL;
}
SetWindowInstanceData(tkBusy, busyPtr);
winPtr = (Tk_FakeWin *) tkRef;
TkpCreateBusy(winPtr, tkRef, &parent, tkParent, busyPtr);
MakeTransparentWindowExist(tkBusy, parent);
Tk_MoveResizeWindow(tkBusy, x, y, busyPtr->width, busyPtr->height);
/*
* Only worry if the busy window is destroyed.
*/
Tk_CreateEventHandler(tkBusy, StructureNotifyMask, BusyEventProc,
busyPtr);
/*
* Indicate that the busy window's geometry is being managed. This will
* also notify us if the busy window is ever packed.
*/
Tk_ManageGeometry(tkBusy, &busyMgrInfo, busyPtr);
if (busyPtr->cursor != None) {
Tk_DefineCursor(tkBusy, busyPtr->cursor);
}
/*
* Track the reference window to see if it is resized or destroyed.
*/
Tk_CreateEventHandler(tkRef, StructureNotifyMask, RefWinEventProc,
busyPtr);
return busyPtr;
}
/* ++ Ttk_ForgetSlave --
* Unmanage the specified slave.
*/
void Ttk_ForgetSlave(Ttk_Manager *mgr, int slaveIndex)
{
Tk_Window slaveWindow = mgr->slaves[slaveIndex]->slaveWindow;
RemoveSlave(mgr, slaveIndex);
Tk_ManageGeometry(slaveWindow, NULL, 0);
}
