979 lines
23 KiB
C
979 lines
23 KiB
C
/*
|
||
* tkWinWindow.c --
|
||
*
|
||
* Xlib emulation routines for Windows related to creating, displaying
|
||
* and destroying windows.
|
||
*
|
||
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
|
||
*
|
||
* See the file "license.terms" for information on usage and redistribution of
|
||
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
||
*/
|
||
|
||
#include "tkWinInt.h"
|
||
#include "tkBusy.h"
|
||
|
||
typedef struct ThreadSpecificData {
|
||
int initialized; /* 0 means table below needs initializing. */
|
||
Tcl_HashTable windowTable; /* The windowTable maps from HWND to Tk_Window
|
||
* handles. */
|
||
} ThreadSpecificData;
|
||
static Tcl_ThreadDataKey dataKey;
|
||
|
||
/*
|
||
* Forward declarations for functions defined in this file:
|
||
*/
|
||
|
||
static void NotifyVisibility(XEvent *eventPtr, TkWindow *winPtr);
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_AttachHWND --
|
||
*
|
||
* This function binds an HWND and a reflection function to the specified
|
||
* Tk_Window.
|
||
*
|
||
* Results:
|
||
* Returns an X Window that encapsulates the HWND.
|
||
*
|
||
* Side effects:
|
||
* May allocate a new X Window. Also enters the HWND into the global
|
||
* window table.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Window
|
||
Tk_AttachHWND(
|
||
Tk_Window tkwin,
|
||
HWND hwnd)
|
||
{
|
||
int new;
|
||
Tcl_HashEntry *entryPtr;
|
||
TkWinDrawable *twdPtr = (TkWinDrawable *) Tk_WindowId(tkwin);
|
||
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
|
||
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
|
||
|
||
if (!tsdPtr->initialized) {
|
||
Tcl_InitHashTable(&tsdPtr->windowTable, TCL_ONE_WORD_KEYS);
|
||
tsdPtr->initialized = 1;
|
||
}
|
||
|
||
/*
|
||
* Allocate a new drawable if necessary. Otherwise, remove the previous
|
||
* HWND from from the window table.
|
||
*/
|
||
|
||
if (twdPtr == NULL) {
|
||
twdPtr = ckalloc(sizeof(TkWinDrawable));
|
||
twdPtr->type = TWD_WINDOW;
|
||
twdPtr->window.winPtr = (TkWindow *) tkwin;
|
||
} else if (twdPtr->window.handle != NULL) {
|
||
entryPtr = Tcl_FindHashEntry(&tsdPtr->windowTable,
|
||
(char *)twdPtr->window.handle);
|
||
Tcl_DeleteHashEntry(entryPtr);
|
||
}
|
||
|
||
/*
|
||
* Insert the new HWND into the window table.
|
||
*/
|
||
|
||
twdPtr->window.handle = hwnd;
|
||
entryPtr = Tcl_CreateHashEntry(&tsdPtr->windowTable, (char *)hwnd, &new);
|
||
Tcl_SetHashValue(entryPtr, tkwin);
|
||
|
||
return (Window)twdPtr;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_HWNDToWindow --
|
||
*
|
||
* This function retrieves a Tk_Window from the window table given an
|
||
* HWND.
|
||
*
|
||
* Results:
|
||
* Returns the matching Tk_Window.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Tk_Window
|
||
Tk_HWNDToWindow(
|
||
HWND hwnd)
|
||
{
|
||
Tcl_HashEntry *entryPtr;
|
||
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
|
||
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
|
||
|
||
if (!tsdPtr->initialized) {
|
||
Tcl_InitHashTable(&tsdPtr->windowTable, TCL_ONE_WORD_KEYS);
|
||
tsdPtr->initialized = 1;
|
||
}
|
||
entryPtr = Tcl_FindHashEntry(&tsdPtr->windowTable, (char *) hwnd);
|
||
if (entryPtr != NULL) {
|
||
return (Tk_Window) Tcl_GetHashValue(entryPtr);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* Tk_GetHWND --
|
||
*
|
||
* This function extracts the HWND from an X Window.
|
||
*
|
||
* Results:
|
||
* Returns the HWND associated with the Window.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
HWND
|
||
Tk_GetHWND(
|
||
Window window)
|
||
{
|
||
return ((TkWinDrawable *) window)->window.handle;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpPrintWindowId --
|
||
*
|
||
* This routine stores the string representation of the platform
|
||
* dependent window handle for an X Window in the given buffer.
|
||
*
|
||
* Results:
|
||
* Returns the result in the specified buffer.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkpPrintWindowId(
|
||
char *buf, /* Pointer to string large enough to hold the
|
||
* hex representation of a pointer. */
|
||
Window window) /* Window to be printed into buffer. */
|
||
{
|
||
HWND hwnd = (window) ? Tk_GetHWND(window) : 0;
|
||
|
||
/*
|
||
* Use pointer representation, because Win64 is P64 (*not* LP64). Windows
|
||
* doesn't print the 0x for %p, so we do it.
|
||
* Bug 2026405: cygwin does output 0x for %p so test and recover.
|
||
*/
|
||
|
||
sprintf(buf, "0x%p", hwnd);
|
||
if (buf[2] == '0' && buf[3] == 'x') {
|
||
sprintf(buf, "%p", hwnd);
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpScanWindowId --
|
||
*
|
||
* Given a string which represents the platform dependent window handle,
|
||
* produce the X Window id for the window.
|
||
*
|
||
* Results:
|
||
* The return value is normally TCL_OK; in this case *idPtr will be set
|
||
* to the X Window id equivalent to string. If string is improperly
|
||
* formed then TCL_ERROR is returned and an error message will be left in
|
||
* the interp's result. If the number does not correspond to a Tk Window,
|
||
* then *idPtr will be set to None.
|
||
*
|
||
* Side effects:
|
||
* None.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
TkpScanWindowId(
|
||
Tcl_Interp *interp, /* Interpreter to use for error reporting. */
|
||
const char *string, /* String containing a (possibly signed)
|
||
* integer in a form acceptable to strtol. */
|
||
Window *idPtr) /* Place to store converted result. */
|
||
{
|
||
Tk_Window tkwin;
|
||
union {
|
||
HWND hwnd;
|
||
int number;
|
||
} win;
|
||
|
||
/*
|
||
* We want sscanf for the 64-bit check, but if that doesn't work, then
|
||
* Tcl_GetInt manages the error correctly.
|
||
*/
|
||
|
||
if (
|
||
#ifdef _WIN64
|
||
(sscanf(string, "0x%p", &win.hwnd) != 1) &&
|
||
#endif
|
||
Tcl_GetInt(interp, string, &win.number) != TCL_OK) {
|
||
return TCL_ERROR;
|
||
}
|
||
|
||
tkwin = Tk_HWNDToWindow(win.hwnd);
|
||
if (tkwin) {
|
||
*idPtr = Tk_WindowId(tkwin);
|
||
} else {
|
||
*idPtr = None;
|
||
}
|
||
return TCL_OK;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpMakeWindow --
|
||
*
|
||
* Creates a Windows window object based on the current attributes of the
|
||
* specified TkWindow.
|
||
*
|
||
* Results:
|
||
* Returns a pointer to a new TkWinDrawable cast to a Window.
|
||
*
|
||
* Side effects:
|
||
* Creates a new window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
Window
|
||
TkpMakeWindow(
|
||
TkWindow *winPtr,
|
||
Window parent)
|
||
{
|
||
HWND parentWin;
|
||
int style;
|
||
HWND hwnd;
|
||
|
||
if (parent != None) {
|
||
parentWin = Tk_GetHWND(parent);
|
||
style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
|
||
} else {
|
||
parentWin = NULL;
|
||
style = WS_POPUP | WS_CLIPCHILDREN;
|
||
}
|
||
|
||
/*
|
||
* Create the window, then ensure that it is at the top of the stacking
|
||
* order.
|
||
*/
|
||
|
||
hwnd = CreateWindowEx(WS_EX_NOPARENTNOTIFY, TK_WIN_CHILD_CLASS_NAME, NULL,
|
||
(DWORD) style, Tk_X(winPtr), Tk_Y(winPtr), Tk_Width(winPtr),
|
||
Tk_Height(winPtr), parentWin, NULL, Tk_GetHINSTANCE(), NULL);
|
||
SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
|
||
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
||
return Tk_AttachHWND((Tk_Window)winPtr, hwnd);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XDestroyWindow --
|
||
*
|
||
* Destroys the given window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Sends the WM_DESTROY message to the window and then destroys it the
|
||
* Win32 resources associated with the window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XDestroyWindow(
|
||
Display *display,
|
||
Window w)
|
||
{
|
||
Tcl_HashEntry *entryPtr;
|
||
TkWinDrawable *twdPtr = (TkWinDrawable *)w;
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
HWND hwnd = Tk_GetHWND(w);
|
||
ThreadSpecificData *tsdPtr = (ThreadSpecificData *)
|
||
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
|
||
|
||
display->request++;
|
||
|
||
/*
|
||
* Remove references to the window in the pointer module then release the
|
||
* drawable.
|
||
*/
|
||
|
||
TkPointerDeadWindow(winPtr);
|
||
|
||
entryPtr = Tcl_FindHashEntry(&tsdPtr->windowTable, (char*)hwnd);
|
||
if (entryPtr != NULL) {
|
||
Tcl_DeleteHashEntry(entryPtr);
|
||
}
|
||
|
||
ckfree(twdPtr);
|
||
|
||
/*
|
||
* Don't bother destroying the window if we are going to destroy the
|
||
* parent later.
|
||
*/
|
||
|
||
if (hwnd != NULL && !(winPtr->flags & TK_DONT_DESTROY_WINDOW)) {
|
||
DestroyWindow(hwnd);
|
||
}
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XMapWindow --
|
||
*
|
||
* Cause the given window to become visible.
|
||
*
|
||
* Results:
|
||
* None
|
||
*
|
||
* Side effects:
|
||
* Causes the window state to change, and generates a MapNotify event.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XMapWindow(
|
||
Display *display,
|
||
Window w)
|
||
{
|
||
XEvent event;
|
||
TkWindow *parentPtr;
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
|
||
display->request++;
|
||
|
||
ShowWindow(Tk_GetHWND(w), SW_SHOWNORMAL);
|
||
winPtr->flags |= TK_MAPPED;
|
||
|
||
/*
|
||
* Check to see if this window is visible now. If all of the parent
|
||
* windows up to the first toplevel are mapped, then this window and its
|
||
* mapped children have just become visible.
|
||
*/
|
||
|
||
if (!(winPtr->flags & TK_TOP_HIERARCHY)) {
|
||
for (parentPtr = winPtr->parentPtr; ;
|
||
parentPtr = parentPtr->parentPtr) {
|
||
if ((parentPtr == NULL) || !(parentPtr->flags & TK_MAPPED)) {
|
||
return Success;
|
||
}
|
||
if (parentPtr->flags & TK_TOP_HIERARCHY) {
|
||
break;
|
||
}
|
||
}
|
||
} else {
|
||
event.type = MapNotify;
|
||
event.xmap.serial = display->request;
|
||
event.xmap.send_event = False;
|
||
event.xmap.display = display;
|
||
event.xmap.event = winPtr->window;
|
||
event.xmap.window = winPtr->window;
|
||
event.xmap.override_redirect = winPtr->atts.override_redirect;
|
||
Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
|
||
}
|
||
|
||
/*
|
||
* Generate VisibilityNotify events for this window and its mapped
|
||
* children.
|
||
*/
|
||
|
||
event.type = VisibilityNotify;
|
||
event.xvisibility.serial = display->request;
|
||
event.xvisibility.send_event = False;
|
||
event.xvisibility.display = display;
|
||
event.xvisibility.window = winPtr->window;
|
||
event.xvisibility.state = VisibilityUnobscured;
|
||
NotifyVisibility(&event, winPtr);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* NotifyVisibility --
|
||
*
|
||
* This function recursively notifies the mapped children of the
|
||
* specified window of a change in visibility. Note that we don't
|
||
* properly report the visibility state, since Windows does not provide
|
||
* that info. The eventPtr argument must point to an event that has been
|
||
* completely initialized except for the window slot.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Generates lots of events.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
static void
|
||
NotifyVisibility(
|
||
XEvent *eventPtr, /* Initialized VisibilityNotify event. */
|
||
TkWindow *winPtr) /* Window to notify. */
|
||
{
|
||
if (winPtr->atts.event_mask & VisibilityChangeMask) {
|
||
eventPtr->xvisibility.window = winPtr->window;
|
||
Tk_QueueWindowEvent(eventPtr, TCL_QUEUE_TAIL);
|
||
}
|
||
for (winPtr = winPtr->childList; winPtr != NULL;
|
||
winPtr = winPtr->nextPtr) {
|
||
if (winPtr->flags & TK_MAPPED) {
|
||
NotifyVisibility(eventPtr, winPtr);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XUnmapWindow --
|
||
*
|
||
* Cause the given window to become invisible.
|
||
*
|
||
* Results:
|
||
* None
|
||
*
|
||
* Side effects:
|
||
* Causes the window state to change, and generates an UnmapNotify event.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XUnmapWindow(
|
||
Display *display,
|
||
Window w)
|
||
{
|
||
XEvent event;
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
|
||
display->request++;
|
||
|
||
/*
|
||
* Bug fix: Don't short circuit this routine based on TK_MAPPED because it
|
||
* will be cleared before XUnmapWindow is called.
|
||
*/
|
||
|
||
ShowWindow(Tk_GetHWND(w), SW_HIDE);
|
||
winPtr->flags &= ~TK_MAPPED;
|
||
|
||
if (winPtr->flags & TK_WIN_MANAGED) {
|
||
event.type = UnmapNotify;
|
||
event.xunmap.serial = display->request;
|
||
event.xunmap.send_event = False;
|
||
event.xunmap.display = display;
|
||
event.xunmap.event = winPtr->window;
|
||
event.xunmap.window = winPtr->window;
|
||
event.xunmap.from_configure = False;
|
||
Tk_HandleEvent(&event);
|
||
}
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XMoveResizeWindow --
|
||
*
|
||
* Move and resize a window relative to its parent.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Repositions and resizes the specified window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XMoveResizeWindow(
|
||
Display *display,
|
||
Window w,
|
||
int x, int y, /* Position relative to parent. */
|
||
unsigned int width, unsigned int height)
|
||
{
|
||
display->request++;
|
||
MoveWindow(Tk_GetHWND(w), x, y, (int) width, (int) height, TRUE);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XMoveWindow --
|
||
*
|
||
* Move a window relative to its parent.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Repositions the specified window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XMoveWindow(
|
||
Display *display,
|
||
Window w,
|
||
int x, int y) /* Position relative to parent */
|
||
{
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
|
||
display->request++;
|
||
|
||
MoveWindow(Tk_GetHWND(w), x, y, winPtr->changes.width,
|
||
winPtr->changes.height, TRUE);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XResizeWindow --
|
||
*
|
||
* Resize a window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Resizes the specified window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XResizeWindow(
|
||
Display *display,
|
||
Window w,
|
||
unsigned int width, unsigned int height)
|
||
{
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
|
||
display->request++;
|
||
|
||
MoveWindow(Tk_GetHWND(w), winPtr->changes.x, winPtr->changes.y, (int)width,
|
||
(int)height, TRUE);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XRaiseWindow --
|
||
*
|
||
* Change the stacking order of a window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Changes the stacking order of the specified window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XRaiseWindow(
|
||
Display *display,
|
||
Window w)
|
||
{
|
||
HWND window = Tk_GetHWND(w);
|
||
|
||
display->request++;
|
||
SetWindowPos(window, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XConfigureWindow --
|
||
*
|
||
* Change the size, position, stacking, or border of the specified
|
||
* window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Changes the attributes of the specified window. Note that we ignore
|
||
* the passed in values and use the values stored in the TkWindow data
|
||
* structure.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XConfigureWindow(
|
||
Display *display,
|
||
Window w,
|
||
unsigned int valueMask,
|
||
XWindowChanges *values)
|
||
{
|
||
TkWindow *winPtr = TkWinGetWinPtr(w);
|
||
HWND hwnd = Tk_GetHWND(w);
|
||
|
||
display->request++;
|
||
|
||
/*
|
||
* Change the shape and/or position of the window.
|
||
*/
|
||
|
||
if (valueMask & (CWX|CWY|CWWidth|CWHeight)) {
|
||
MoveWindow(hwnd, winPtr->changes.x, winPtr->changes.y,
|
||
winPtr->changes.width, winPtr->changes.height, TRUE);
|
||
}
|
||
|
||
/*
|
||
* Change the stacking order of the window.
|
||
*/
|
||
|
||
if (valueMask & CWStackMode) {
|
||
HWND sibling;
|
||
|
||
if ((valueMask & CWSibling) && (values->sibling != None)) {
|
||
sibling = Tk_GetHWND(values->sibling);
|
||
} else {
|
||
sibling = NULL;
|
||
}
|
||
TkWinSetWindowPos(hwnd, sibling, values->stack_mode);
|
||
}
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XClearWindow --
|
||
*
|
||
* Clears the entire window to the current background color.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Erases the current contents of the window.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XClearWindow(
|
||
Display *display,
|
||
Window w)
|
||
{
|
||
RECT rc;
|
||
HBRUSH brush;
|
||
HPALETTE oldPalette, palette;
|
||
TkWindow *winPtr;
|
||
HWND hwnd = Tk_GetHWND(w);
|
||
HDC dc = GetDC(hwnd);
|
||
|
||
palette = TkWinGetPalette(display->screens[0].cmap);
|
||
oldPalette = SelectPalette(dc, palette, FALSE);
|
||
|
||
display->request++;
|
||
|
||
winPtr = TkWinGetWinPtr(w);
|
||
brush = CreateSolidBrush(winPtr->atts.background_pixel);
|
||
GetWindowRect(hwnd, &rc);
|
||
rc.right = rc.right - rc.left;
|
||
rc.bottom = rc.bottom - rc.top;
|
||
rc.left = rc.top = 0;
|
||
FillRect(dc, &rc, brush);
|
||
|
||
DeleteObject(brush);
|
||
SelectPalette(dc, oldPalette, TRUE);
|
||
ReleaseDC(hwnd, dc);
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* XChangeWindowAttributes --
|
||
*
|
||
* This function is called when the attributes on a window are updated.
|
||
* Since Tk maintains all of the window state, the only relevant value is
|
||
* the cursor.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* May cause the mouse position to be updated.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
int
|
||
XChangeWindowAttributes(
|
||
Display *display,
|
||
Window w,
|
||
unsigned long valueMask,
|
||
XSetWindowAttributes* attributes)
|
||
{
|
||
if (valueMask & CWCursor) {
|
||
XDefineCursor(display, w, attributes->cursor);
|
||
}
|
||
return Success;
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkWinSetWindowPos --
|
||
*
|
||
* Adjust the stacking order of a window relative to a second window (or
|
||
* NULL).
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Moves the specified window in the stacking order.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkWinSetWindowPos(
|
||
HWND hwnd, /* Window to restack. */
|
||
HWND siblingHwnd, /* Sibling window. */
|
||
int pos) /* One of Above or Below. */
|
||
{
|
||
HWND temp;
|
||
|
||
/*
|
||
* Since Windows does not support Above mode, we place the specified
|
||
* window below the sibling and then swap them.
|
||
*/
|
||
|
||
if (siblingHwnd) {
|
||
if (pos == Above) {
|
||
SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
|
||
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
||
temp = hwnd;
|
||
hwnd = siblingHwnd;
|
||
siblingHwnd = temp;
|
||
}
|
||
} else {
|
||
siblingHwnd = (pos == Above) ? HWND_TOP : HWND_BOTTOM;
|
||
}
|
||
|
||
SetWindowPos(hwnd, siblingHwnd, 0, 0, 0, 0,
|
||
SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpShowBusyWindow --
|
||
*
|
||
* Makes a busy window "appear".
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Arranges for the busy window to start intercepting events and the
|
||
* cursor to change to the configured "hey, I'm busy!" setting.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkpShowBusyWindow(
|
||
TkBusy busy)
|
||
{
|
||
Busy *busyPtr = (Busy *) busy;
|
||
HWND hWnd;
|
||
POINT point;
|
||
Display *display;
|
||
Window window;
|
||
|
||
if (busyPtr->tkBusy != NULL) {
|
||
Tk_MapWindow(busyPtr->tkBusy);
|
||
window = Tk_WindowId(busyPtr->tkBusy);
|
||
display = Tk_Display(busyPtr->tkBusy);
|
||
hWnd = Tk_GetHWND(window);
|
||
display->request++;
|
||
SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
|
||
}
|
||
|
||
/*
|
||
* Under Win32, cursors aren't associated with windows. Tk fakes this by
|
||
* watching Motion events on its windows. So Tk will automatically change
|
||
* the cursor when the pointer enters the Busy window. But Windows does
|
||
* not immediately change the cursor; it waits for the cursor position to
|
||
* change or a system call. We need to change the cursor before the
|
||
* application starts processing, so set the cursor position redundantly
|
||
* back to the current position.
|
||
*/
|
||
|
||
GetCursorPos(&point);
|
||
SetCursorPos(point.x, point.y);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpHideBusyWindow --
|
||
*
|
||
* Makes a busy window "disappear".
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Arranges for the busy window to stop intercepting events, and the
|
||
* cursor to change back to its normal setting.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkpHideBusyWindow(
|
||
TkBusy busy)
|
||
{
|
||
Busy *busyPtr = (Busy *) busy;
|
||
POINT point;
|
||
|
||
if (busyPtr->tkBusy != NULL) {
|
||
Tk_UnmapWindow(busyPtr->tkBusy);
|
||
}
|
||
|
||
/*
|
||
* Under Win32, cursors aren't associated with windows. Tk fakes this by
|
||
* watching Motion events on its windows. So Tk will automatically change
|
||
* the cursor when the pointer enters the Busy window. But Windows does
|
||
* not immediately change the cursor: it waits for the cursor position to
|
||
* change or a system call. We need to change the cursor before the
|
||
* application starts processing, so set the cursor position redundantly
|
||
* back to the current position.
|
||
*/
|
||
|
||
GetCursorPos(&point);
|
||
SetCursorPos(point.x, point.y);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpMakeTransparentWindowExist --
|
||
*
|
||
* Construct the platform-specific resources for a transparent window.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Moves the specified window in the stacking order.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkpMakeTransparentWindowExist(
|
||
Tk_Window tkwin, /* Token for window. */
|
||
Window parent) /* Parent window. */
|
||
{
|
||
TkWindow *winPtr = (TkWindow *) tkwin;
|
||
HWND hParent = (HWND) parent, hWnd;
|
||
int style = WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
|
||
DWORD exStyle = WS_EX_TRANSPARENT | WS_EX_TOPMOST;
|
||
|
||
hWnd = CreateWindowEx(exStyle, TK_WIN_CHILD_CLASS_NAME, NULL, style,
|
||
Tk_X(tkwin), Tk_Y(tkwin), Tk_Width(tkwin), Tk_Height(tkwin),
|
||
hParent, NULL, Tk_GetHINSTANCE(), NULL);
|
||
winPtr->window = Tk_AttachHWND(tkwin, hWnd);
|
||
}
|
||
|
||
/*
|
||
*----------------------------------------------------------------------
|
||
*
|
||
* TkpCreateBusy --
|
||
*
|
||
* Construct the platform-specific parts of a busy window. Note that this
|
||
* postpones the actual creation of the window resource until later.
|
||
*
|
||
* Results:
|
||
* None.
|
||
*
|
||
* Side effects:
|
||
* Sets up part of the busy window structure.
|
||
*
|
||
*----------------------------------------------------------------------
|
||
*/
|
||
|
||
void
|
||
TkpCreateBusy(
|
||
Tk_FakeWin *winPtr,
|
||
Tk_Window tkRef,
|
||
Window *parentPtr,
|
||
Tk_Window tkParent,
|
||
TkBusy busy)
|
||
{
|
||
Busy *busyPtr = (Busy *) busy;
|
||
|
||
if (winPtr->flags & TK_REPARENTED) {
|
||
/*
|
||
* This works around a bug in the implementation of menubars for
|
||
* non-Macintosh window systems (Win32 and X11). Tk doesn't reset the
|
||
* pointers to the parent window when the menu is reparented
|
||
* (winPtr->parentPtr points to the wrong window). We get around this
|
||
* by determining the parent via the native API calls.
|
||
*/
|
||
|
||
HWND hWnd = GetParent(Tk_GetHWND(Tk_WindowId(tkRef)));
|
||
RECT rect;
|
||
|
||
if (GetWindowRect(hWnd, &rect)) {
|
||
busyPtr->width = rect.right - rect.left;
|
||
busyPtr->height = rect.bottom - rect.top;
|
||
}
|
||
} else {
|
||
*parentPtr = Tk_WindowId(tkParent);
|
||
*parentPtr = (Window) Tk_GetHWND(*parentPtr);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Local Variables:
|
||
* mode: c
|
||
* c-basic-offset: 4
|
||
* fill-column: 78
|
||
* End:
|
||
*/
|