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; }