/* PanedSize --
* Compute the requested size of the paned widget
* from the individual pane request sizes.
*
* Used as the WidgetSpec sizeProc and the ManagerSpec sizeProc.
*/
static int PanedSize(void *recordPtr, int *widthPtr, int *heightPtr)
{
Paned *pw = recordPtr;
int nPanes = Ttk_NumberSlaves(pw->paned.mgr);
int nSashes = nPanes - 1;
int sashThickness = pw->paned.sashThickness;
int width = 0, height = 0;
int index;
if (pw->paned.orient == TTK_ORIENT_HORIZONTAL) {
for (index = 0; index < nPanes; ++index) {
Pane *pane = Ttk_SlaveData(pw->paned.mgr, index);
Tk_Window slaveWindow = Ttk_SlaveWindow(pw->paned.mgr, index);
if (height < Tk_ReqHeight(slaveWindow))
height = Tk_ReqHeight(slaveWindow);
width += pane->reqSize;
}
width += nSashes * sashThickness;
} else {
for (index = 0; index < nPanes; ++index) {
Pane *pane = Ttk_SlaveData(pw->paned.mgr, index);
Tk_Window slaveWindow = Ttk_SlaveWindow(pw->paned.mgr, index);
if (width < Tk_ReqWidth(slaveWindow))
width = Tk_ReqWidth(slaveWindow);
height += pane->reqSize;
}
height += nSashes * sashThickness;
}
*widthPtr = pw->paned.width > 0 ? pw->paned.width : width;
*heightPtr = pw->paned.height > 0 ? pw->paned.height : height;
return 1;
}
/*
** 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
EmbWinBboxProc(
TkText *textPtr, /* Information about text widget. */
TkTextDispChunk *chunkPtr, /* Chunk containing desired char. */
int index, /* Index of desired character within the
* chunk. */
int y, /* Topmost pixel in area allocated for this
* line. */
int lineHeight, /* Total height of line. */
int baseline, /* Location of line's baseline, in pixels
* measured down from y. */
int *xPtr, int *yPtr, /* Gets filled in with coords of character's
* upper-left pixel. */
int *widthPtr, /* Gets filled in with width of window, in
* pixels. */
int *heightPtr) /* Gets filled in with height of window, in
* pixels. */
{
Tk_Window tkwin;
TkTextSegment *ewPtr = chunkPtr->clientData;
TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);
if (client == NULL) {
tkwin = NULL;
} else {
tkwin = client->tkwin;
}
if (tkwin != NULL) {
*widthPtr = Tk_ReqWidth(tkwin);
*heightPtr = Tk_ReqHeight(tkwin);
} else {
*widthPtr = 0;
*heightPtr = 0;
}
*xPtr = chunkPtr->x + ewPtr->body.ew.padX;
if (ewPtr->body.ew.stretch) {
if (ewPtr->body.ew.align == ALIGN_BASELINE) {
*heightPtr = baseline - ewPtr->body.ew.padY;
} else {
*heightPtr = lineHeight - 2*ewPtr->body.ew.padY;
}
}
switch (ewPtr->body.ew.align) {
case ALIGN_BOTTOM:
*yPtr = y + (lineHeight - *heightPtr - ewPtr->body.ew.padY);
break;
case ALIGN_CENTER:
*yPtr = y + (lineHeight - *heightPtr)/2;
break;
case ALIGN_TOP:
*yPtr = y + ewPtr->body.ew.padY;
break;
case ALIGN_BASELINE:
*yPtr = y + (baseline - *heightPtr);
break;
}
}
/*
** This routine is called when one of the child windows for a form
** wants to change its size.
*/
static void HtmlInputRequestProc(ClientData clientData, Tk_Window tkwin){
HtmlElement *pElem = (HtmlElement*)clientData;
if( pElem->base.type!=Html_INPUT ){ CANT_HAPPEN; return; }
if( pElem->input.tkwin!=tkwin ){ CANT_HAPPEN; return; }
pElem->input.w = Tk_ReqWidth(tkwin);
pElem->input.h = Tk_ReqHeight(tkwin);
if( pElem->input.htmlPtr && pElem->input.htmlPtr->tkwin!=0 ){
pElem->input.htmlPtr->flags |= RELAYOUT;
HtmlScheduleRedraw(pElem->input.htmlPtr);
}
}
void Ttk_GeometryRequestProc(ClientData clientData, Tk_Window slaveWindow)
{
Ttk_Manager *mgr = clientData;
int slaveIndex = Ttk_SlaveIndex(mgr, slaveWindow);
int reqWidth = Tk_ReqWidth(slaveWindow);
int reqHeight= Tk_ReqHeight(slaveWindow);
if (mgr->managerSpec->SlaveRequest(
mgr->managerData, slaveIndex, reqWidth, reqHeight))
{
ScheduleUpdate(mgr, MGR_RESIZE_REQUIRED);
}
}
/* LabelframeLabelSize --
* Extract the requested width and height of the labelframe's label:
* taken from the label widget if specified, otherwise the text label.
*/
static void
LabelframeLabelSize(Labelframe *lframePtr, int *widthPtr, int *heightPtr)
{
Tk_Window labelWidget = lframePtr->label.labelWidget;
Ttk_Layout labelLayout = lframePtr->label.labelLayout;
if (labelWidget) {
*widthPtr = Tk_ReqWidth(labelWidget);
*heightPtr = Tk_ReqHeight(labelWidget);
} else if (labelLayout) {
Ttk_LayoutSize(labelLayout, 0, widthPtr, heightPtr);
} else {
*widthPtr = *heightPtr = 0;
}
}
/* CreatePane --
* Create a new pane record.
*/
static Pane *CreatePane(Tcl_Interp *interp, Paned *pw, Tk_Window slaveWindow)
{
Tk_OptionTable optionTable = pw->paned.paneOptionTable;
void *record = ckalloc(sizeof(Pane));
Pane *pane = record;
memset(record, 0, sizeof(Pane));
if (Tk_InitOptions(interp, record, optionTable, slaveWindow) != TCL_OK) {
ckfree(record);
return NULL;
}
pane->reqSize
= pw->paned.orient == TTK_ORIENT_HORIZONTAL
? Tk_ReqWidth(slaveWindow) : Tk_ReqHeight(slaveWindow);
return pane;
}
static void
RecomputePlacement(
ClientData clientData) /* Pointer to Master record. */
{
register Master *masterPtr = clientData;
register Slave *slavePtr;
int x, y, width, height, tmp;
int masterWidth, masterHeight, masterX, masterY;
double x1, y1, x2, y2;
int abort; /* May get set to non-zero to abort this
* placement operation. */
masterPtr->flags &= ~PARENT_RECONFIG_PENDING;
/*
* Abort any nested call to RecomputePlacement for this window, since
* we'll do everything necessary here, and set up so this call can be
* aborted if necessary.
*/
if (masterPtr->abortPtr != NULL) {
*masterPtr->abortPtr = 1;
}
masterPtr->abortPtr = &abort;
abort = 0;
Tcl_Preserve(masterPtr);
/*
* Iterate over all the slaves for the master. Each slave's geometry can
* be computed independently of the other slaves. Changes to the window's
* structure could cause almost anything to happen, including deleting the
* parent or child. If this happens, we'll be told to abort.
*/
for (slavePtr = masterPtr->slavePtr; slavePtr != NULL && !abort;
slavePtr = slavePtr->nextPtr) {
/*
* Step 1: compute size and borderwidth of master, taking into account
* desired border mode.
*/
masterX = masterY = 0;
masterWidth = Tk_Width(masterPtr->tkwin);
masterHeight = Tk_Height(masterPtr->tkwin);
if (slavePtr->borderMode == BM_INSIDE) {
masterX = Tk_InternalBorderLeft(masterPtr->tkwin);
masterY = Tk_InternalBorderTop(masterPtr->tkwin);
masterWidth -= masterX + Tk_InternalBorderRight(masterPtr->tkwin);
masterHeight -= masterY +
Tk_InternalBorderBottom(masterPtr->tkwin);
} else if (slavePtr->borderMode == BM_OUTSIDE) {
masterX = masterY = -Tk_Changes(masterPtr->tkwin)->border_width;
masterWidth -= 2 * masterX;
masterHeight -= 2 * masterY;
}
/*
* Step 2: compute size of slave (outside dimensions including border)
* and location of anchor point within master.
*/
x1 = slavePtr->x + masterX + (slavePtr->relX*masterWidth);
x = (int) (x1 + ((x1 > 0) ? 0.5 : -0.5));
y1 = slavePtr->y + masterY + (slavePtr->relY*masterHeight);
y = (int) (y1 + ((y1 > 0) ? 0.5 : -0.5));
if (slavePtr->flags & (CHILD_WIDTH|CHILD_REL_WIDTH)) {
width = 0;
if (slavePtr->flags & CHILD_WIDTH) {
width += slavePtr->width;
}
if (slavePtr->flags & CHILD_REL_WIDTH) {
/*
* The code below is a bit tricky. In order to round correctly
* when both relX and relWidth are specified, compute the
* location of the right edge and round that, then compute
* width. If we compute the width and round it, rounding
* errors in relX and relWidth accumulate.
*/
x2 = x1 + (slavePtr->relWidth*masterWidth);
tmp = (int) (x2 + ((x2 > 0) ? 0.5 : -0.5));
width += tmp - x;
}
} else {
width = Tk_ReqWidth(slavePtr->tkwin)
+ 2*Tk_Changes(slavePtr->tkwin)->border_width;
}
if (slavePtr->flags & (CHILD_HEIGHT|CHILD_REL_HEIGHT)) {
height = 0;
if (slavePtr->flags & CHILD_HEIGHT) {
height += slavePtr->height;
}
if (slavePtr->flags & CHILD_REL_HEIGHT) {
/*
* See note above for rounding errors in width computation.
*/
y2 = y1 + (slavePtr->relHeight*masterHeight);
tmp = (int) (y2 + ((y2 > 0) ? 0.5 : -0.5));
height += tmp - y;
}
} else {
height = Tk_ReqHeight(slavePtr->tkwin)
+ 2*Tk_Changes(slavePtr->tkwin)->border_width;
}
/*
* Step 3: adjust the x and y positions so that the desired anchor
* point on the slave appears at that position. Also adjust for the
* border mode and master's border.
*/
switch (slavePtr->anchor) {
case TK_ANCHOR_N:
x -= width/2;
break;
case TK_ANCHOR_NE:
x -= width;
break;
case TK_ANCHOR_E:
x -= width;
y -= height/2;
break;
case TK_ANCHOR_SE:
x -= width;
y -= height;
break;
case TK_ANCHOR_S:
x -= width/2;
y -= height;
break;
case TK_ANCHOR_SW:
y -= height;
break;
case TK_ANCHOR_W:
y -= height/2;
break;
case TK_ANCHOR_NW:
break;
case TK_ANCHOR_CENTER:
x -= width/2;
y -= height/2;
break;
}
/*
* Step 4: adjust width and height again to reflect inside dimensions
* of window rather than outside. Also make sure that the width and
* height aren't zero.
*/
width -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
height -= 2*Tk_Changes(slavePtr->tkwin)->border_width;
if (width <= 0) {
width = 1;
}
if (height <= 0) {
height = 1;
}
/*
* Step 5: reconfigure the window and map it if needed. If the slave
* is a child of the master, we do this ourselves. If the slave isn't
* a child of the master, let Tk_MaintainGeometry do the work (it will
* re-adjust things as relevant windows map, unmap, and move).
*/
if (masterPtr->tkwin == Tk_Parent(slavePtr->tkwin)) {
if ((x != Tk_X(slavePtr->tkwin))
|| (y != Tk_Y(slavePtr->tkwin))
|| (width != Tk_Width(slavePtr->tkwin))
|| (height != Tk_Height(slavePtr->tkwin))) {
Tk_MoveResizeWindow(slavePtr->tkwin, x, y, width, height);
}
if (abort) {
break;
}
/*
* Don't map the slave unless the master is mapped: the slave will
* get mapped later, when the master is mapped.
*/
if (Tk_IsMapped(masterPtr->tkwin)) {
Tk_MapWindow(slavePtr->tkwin);
}
} else {
if ((width <= 0) || (height <= 0)) {
Tk_UnmaintainGeometry(slavePtr->tkwin, masterPtr->tkwin);
Tk_UnmapWindow(slavePtr->tkwin);
} else {
Tk_MaintainGeometry(slavePtr->tkwin, masterPtr->tkwin,
x, y, width, height);
}
}
}
masterPtr->abortPtr = NULL;
Tcl_Release(masterPtr);
}
/*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;
}
void
TkTextEmbWinDisplayProc(
TkText *textPtr, /* Information about text widget. */
TkTextDispChunk *chunkPtr, /* Chunk that is to be drawn. */
int x, /* X-position in dst at which to draw this
* chunk (differs from the x-position in the
* chunk because of scrolling). */
int y, /* Top of rectangular bounding box for line:
* tells where to draw this chunk in dst
* (x-position is in the chunk itself). */
int lineHeight, /* Total height of line. */
int baseline, /* Offset of baseline from y. */
Display *display, /* Display to use for drawing (unused). */
Drawable dst, /* Pixmap or window in which to draw
* (unused). */
int screenY) /* Y-coordinate in text window that
* corresponds to y. */
{
int lineX, windowX, windowY, width, height;
Tk_Window tkwin;
TkTextSegment *ewPtr = chunkPtr->clientData;
TkTextEmbWindowClient *client = EmbWinGetClient(textPtr, ewPtr);
if (client == NULL) {
return;
}
tkwin = client->tkwin;
if (tkwin == NULL) {
return;
}
if ((x + chunkPtr->width) <= 0) {
/*
* The window is off-screen; just unmap it.
*/
if (textPtr->tkwin != Tk_Parent(tkwin)) {
Tk_UnmaintainGeometry(tkwin, textPtr->tkwin);
} else {
Tk_UnmapWindow(tkwin);
}
return;
}
/*
* Compute the window's location and size in the text widget, taking into
* account the align and stretch values for the window.
*/
EmbWinBboxProc(textPtr, chunkPtr, 0, screenY, lineHeight, baseline,
&lineX, &windowY, &width, &height);
windowX = lineX - chunkPtr->x + x;
if (textPtr->tkwin == Tk_Parent(tkwin)) {
if ((windowX != Tk_X(tkwin)) || (windowY != Tk_Y(tkwin))
|| (Tk_ReqWidth(tkwin) != Tk_Width(tkwin))
|| (height != Tk_Height(tkwin))) {
Tk_MoveResizeWindow(tkwin, windowX, windowY, width, height);
}
Tk_MapWindow(tkwin);
} else {
Tk_MaintainGeometry(tkwin, textPtr->tkwin, windowX, windowY,
width, height);
}
/*
* Mark the window as displayed so that it won't get unmapped.
*/
client->displayed = 1;
}
static void
ComputeWindowBbox(
Tk_Canvas canvas, /* Canvas that contains item. */
WindowItem *winItemPtr) /* Item whose bbox is to be recomputed. */
{
int width, height, x, y;
Tk_State state = winItemPtr->header.state;
x = (int) (winItemPtr->x + ((winItemPtr->x >= 0) ? 0.5 : - 0.5));
y = (int) (winItemPtr->y + ((winItemPtr->y >= 0) ? 0.5 : - 0.5));
if (state == TK_STATE_NULL) {
state = Canvas(canvas)->canvas_state;
}
if ((winItemPtr->tkwin == NULL) || (state == TK_STATE_HIDDEN)) {
/*
* There is no window for this item yet. Just give it a 1x1 bounding
* box. Don't give it a 0x0 bounding box; there are strange cases
* where this bounding box might be used as the dimensions of the
* window, and 0x0 causes problems under X.
*/
winItemPtr->header.x1 = x;
winItemPtr->header.x2 = winItemPtr->header.x1 + 1;
winItemPtr->header.y1 = y;
winItemPtr->header.y2 = winItemPtr->header.y1 + 1;
return;
}
/*
* Compute dimensions of window.
*/
width = winItemPtr->width;
if (width <= 0) {
width = Tk_ReqWidth(winItemPtr->tkwin);
if (width <= 0) {
width = 1;
}
}
height = winItemPtr->height;
if (height <= 0) {
height = Tk_ReqHeight(winItemPtr->tkwin);
if (height <= 0) {
height = 1;
}
}
/*
* Compute location of window, using anchor information.
*/
switch (winItemPtr->anchor) {
case TK_ANCHOR_N:
x -= width/2;
break;
case TK_ANCHOR_NE:
x -= width;
break;
case TK_ANCHOR_E:
x -= width;
y -= height/2;
break;
case TK_ANCHOR_SE:
x -= width;
y -= height;
break;
case TK_ANCHOR_S:
x -= width/2;
y -= height;
break;
case TK_ANCHOR_SW:
y -= height;
break;
case TK_ANCHOR_W:
y -= height/2;
break;
case TK_ANCHOR_NW:
break;
case TK_ANCHOR_CENTER:
x -= width/2;
y -= height/2;
break;
}
/*
* Store the information in the item header.
*/
winItemPtr->header.x1 = x;
winItemPtr->header.y1 = y;
winItemPtr->header.x2 = x + width;
winItemPtr->header.y2 = y + height;
}
