static void
winUpdateWindowsWindow (WindowPtr pWin)
{
winWindowPriv(pWin);
HWND hWnd = pWinPriv->hWnd;
#if CYGMULTIWINDOW_DEBUG
ErrorF ("winUpdateWindowsWindow\n");
#endif
/* Check if the Windows window's parents have been destroyed */
if (pWin->parent != NULL
&& pWin->parent->parent == NULL
&& pWin->mapped)
{
/* Create the Windows window if it has been destroyed */
if (hWnd == NULL)
{
winCreateWindowsWindow (pWin);
assert (pWinPriv->hWnd != NULL);
}
/* Display the window without activating it */
ShowWindow (pWinPriv->hWnd, SW_SHOWNOACTIVATE);
/* Send first paint message */
UpdateWindow (pWinPriv->hWnd);
}
else if (hWnd != NULL)
{
/* Destroy the Windows window if its parents are destroyed */
winDestroyWindowsWindow (pWin);
assert (pWinPriv->hWnd == NULL);
}
#if CYGMULTIWINDOW_DEBUG
ErrorF ("-winUpdateWindowsWindow\n");
#endif
}
/**
* Return size and handles of a window.
* If pWin is NULL, then the information for the root window is requested.
*/
HWND
winGetWindowInfo(WindowPtr pWin)
{
winTrace("%s: pWin %p XID 0x%x\n", __FUNCTION__, pWin, (unsigned int)pWin->drawable.id);
/* a real window was requested */
if (pWin != NULL) {
/* Get the window and screen privates */
ScreenPtr pScreen = pWin->drawable.pScreen;
winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
winScreenInfoPtr pScreenInfo = NULL;
HWND hwnd = NULL;
if (pWinScreen == NULL) {
ErrorF("winGetWindowInfo: screen has no privates\n");
return NULL;
}
hwnd = pWinScreen->hwndScreen;
pScreenInfo = pWinScreen->pScreenInfo;
#ifdef XWIN_MULTIWINDOW
/* check for multiwindow mode */
if (pScreenInfo->fMultiWindow) {
winWindowPriv(pWin);
if (pWinPriv == NULL) {
ErrorF("winGetWindowInfo: window has no privates\n");
return hwnd;
}
if (pWinPriv->hWnd == NULL) {
winCreateWindowsWindow(pWin);
winDebug("winGetWindowInfo: forcing window to exist\n");
}
if (pWinPriv->hWnd != NULL) {
/* copy window handle */
hwnd = pWinPriv->hWnd;
/* mark GLX active on that hwnd */
pWinPriv->fWglUsed = TRUE;
}
return hwnd;
}
#endif
#ifdef XWIN_MULTIWINDOWEXTWM
/* check for multiwindow external wm mode */
if (pScreenInfo->fMWExtWM) {
win32RootlessWindowPtr pRLWinPriv
= (win32RootlessWindowPtr) RootlessFrameForWindow(pWin, FALSE);
if (pRLWinPriv == NULL) {
ErrorF("winGetWindowInfo: window has no privates\n");
return hwnd;
}
if (pRLWinPriv->hWnd != NULL) {
/* copy window handle */
hwnd = pRLWinPriv->hWnd;
}
return hwnd;
}
#endif
}
else {
ScreenPtr pScreen = g_ScreenInfo[0].pScreen;
winPrivScreenPtr pWinScreen = winGetScreenPriv(pScreen);
if (pWinScreen == NULL) {
ErrorF("winGetWindowInfo: screen has no privates\n");
return NULL;
}
ErrorF("winGetWindowInfo: returning root window\n");
return pWinScreen->hwndScreen;
}
return NULL;
}
