35  * This file provides support for window-related functions. */
60 /** Initialize the private area for the window functions. */
71 Window
77     Window parent;  in dmxCreateRootWindow()
84     /* Create root window */  in dmxCreateRootWindow()
86     parent = dmxScreen->scrnWin;        /* This is our "Screen" window */  in dmxCreateRootWindow()
116 /** Change the location and size of the "screen" window.  Called from
139 /** Change the location and size of the "root" window.  Called from
157         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxResizeRootWindow()
163                 XUnmapWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxResizeRootWindow()
169             XMapWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxResizeRootWindow()
210 static Window
216     Window parent;  in dmxCreateNonRootWindow()
221     /* Create window on back-end server */  in dmxCreateNonRootWindow()
223     parent = pParentPriv->window;  in dmxCreateNonRootWindow()
226        from ReparentWindow and the grandparent window has not yet been  in dmxCreateNonRootWindow()
230         parent = pParentPriv->window;  in dmxCreateNonRootWindow()
255        order -- if current window has a previous sibling, then it cannot  in dmxCreateNonRootWindow()
271 /** This function handles lazy window creation and realization.  Window
273  *  any stacking changes that have occured since the window was
274  *  originally created by calling #dmxDoRestackWindow().  If the window
276  *  #dmxDoSetShape(), and if the window has pictures (from RENDER)
290     pWinPriv->window = dmxCreateNonRootWindow(pWindow);  in dmxCreateAndRealizeWindow()
298         XMapWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxCreateAndRealizeWindow()
303 /** Create \a pWindow on the back-end server.  If the lazy window
305  *  realization of the window is handled by
322     pWinPriv->window = (Window) 0;  in dmxCreateWindow()
335         /* Only create the root window at this stage -- non-root windows are  in dmxCreateWindow()
338             dmxScreen->rootWin = pWinPriv->window  in dmxCreateWindow()
370                 pWinPriv->window = dmxCreateNonRootWindow(pWindow);  in dmxCreateWindow()
390     if (pWinPriv->window) {  in dmxBEDestroyWindow()
391         XDestroyWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxBEDestroyWindow()
392         pWinPriv->window = (Window) 0;  in dmxBEDestroyWindow()
415     /* Destroy any picture list associated with this window */  in dmxDestroyWindow()
418     /* Destroy window on back-end server */  in dmxDestroyWindow()
453     /* Determine if the window is completely off the visible portion of  in dmxPositionWindow()
457     /* If the window is now on-screen and it is mapped and it has not  in dmxPositionWindow()
459     if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {  in dmxPositionWindow()
462     else if (pWinPriv->window) {  in dmxPositionWindow()
463         /* Position window on back-end server */  in dmxPositionWindow()
474         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxPositionWindow()
574 /** Change the window attributes of \a pWindow. */
590     /* Change window attribs on back-end server */  in dmxChangeWindowAttributes()
593     /* Save mask for lazy window creation optimization */  in dmxChangeWindowAttributes()
596     if (mask && pWinPriv->window) {  in dmxChangeWindowAttributes()
597         XChangeWindowAttributes(dmxScreen->beDisplay, pWinPriv->window,  in dmxChangeWindowAttributes()
608 /** Realize \a pWindow on the back-end server.  If the lazy window
609  *  creation optimization is enabled, the window is only realized when
625     /* Determine if the window is completely off the visible portion of  in dmxRealizeWindow()
629     /* If the window hasn't been created and it's not offscreen, then  in dmxRealizeWindow()
631     if (!pWinPriv->window && !pWinPriv->offscreen) {  in dmxRealizeWindow()
635     if (pWinPriv->window) {  in dmxRealizeWindow()
636         /* Realize window on back-end server */  in dmxRealizeWindow()
637         XMapWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxRealizeWindow()
641     /* Let the other functions know that the window is now mapped */  in dmxRealizeWindow()
665     if (pWinPriv->window) {  in dmxUnrealizeWindow()
666         /* Unrealize window on back-end server */  in dmxUnrealizeWindow()
667         XUnmapWindow(dmxScreen->beDisplay, pWinPriv->window);  in dmxUnrealizeWindow()
671     /* When unrealized (i.e., unmapped), the window is always considered  in dmxUnrealizeWindow()
698         /* Window is at the bottom of the stack */  in dmxDoRestackWindow()
700         c.sibling = (Window) 0;  in dmxDoRestackWindow()
702         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxDoRestackWindow()
705         /* Window is not at the bottom of the stack */  in dmxDoRestackWindow()
709            lazy window creation optimization by first finding the next  in dmxDoRestackWindow()
711            and then putting the current window just above that sibling,  in dmxDoRestackWindow()
715         while (!pNextSibPriv->window) {  in dmxDoRestackWindow()
718                 /* Window is at the bottom of the stack */  in dmxDoRestackWindow()
720                 c.sibling = (Window) 0;  in dmxDoRestackWindow()
722                 XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxDoRestackWindow()
729         c.sibling = pNextSibPriv->window;  in dmxDoRestackWindow()
731         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxDoRestackWindow()
735 /** Handle window restacking.  The actual restacking occurs in
751         /* Track restacking for lazy window creation optimization */  in dmxRestackWindow()
754         /* Restack window on back-end server */  in dmxRestackWindow()
755         if (pWinPriv->window) {  in dmxRestackWindow()
768     return (ev->type == Expose && ev->xexpose.window == *(Window *) ptr);  in dmxWindowExposurePredicate()
771 /** Handle exposures on \a pWindow.  Since window exposures are handled
786     if (pWinPriv->window) {  in dmxWindowExposures()
789                              (XPointer) &pWinPriv->window)) {  in dmxWindowExposures()
791                since the base window in which the root window was  in dmxWindowExposures()
794                reason the window is not on top, then we'd need to  in dmxWindowExposures()
809  *  lazy window creation optimization is enabled. */
825     /* Determine if the window is completely off the visible portion of  in dmxCopyWindow()
829     /* If the window is now on-screen and it is mapped and it has not  in dmxCopyWindow()
831     if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {  in dmxCopyWindow()
834     else if (pWinPriv->window) {  in dmxCopyWindow()
835         /* Move window on back-end server */  in dmxCopyWindow()
842         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxCopyWindow()
852  *  the lazy window creation optimization is enabled. */
869     /* Determine if the window is completely off the visible portion of  in dmxResizeWindow()
873     /* If the window is now on-screen and it is mapped and it has not  in dmxResizeWindow()
875     if (!pWinPriv->window && pWinPriv->mapped && !pWinPriv->offscreen) {  in dmxResizeWindow()
878     else if (pWinPriv->window) {  in dmxResizeWindow()
886         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxResizeWindow()
909     if (pWinPriv->window) {  in dmxReparentWindow()
910         if (!pParentPriv->window) {  in dmxReparentWindow()
915         XReparentWindow(dmxScreen->beDisplay, pWinPriv->window,  in dmxReparentWindow()
916                         pParentPriv->window,  in dmxReparentWindow()
944     if (pWinPriv->window) {  in dmxChangeBorderWidth()
949         XConfigureWindow(dmxScreen->beDisplay, pWinPriv->window, m, &c);  in dmxChangeBorderWidth()
981         XShapeCombineRectangles(dmxScreen->beDisplay, pWinPriv->window,  in dmxDoSetShape()
987         XShapeCombineMask(dmxScreen->beDisplay, pWinPriv->window,  in dmxDoSetShape()
1004         XShapeCombineRectangles(dmxScreen->beDisplay, pWinPriv->window,  in dmxDoSetShape()
1010         XShapeCombineMask(dmxScreen->beDisplay, pWinPriv->window,  in dmxDoSetShape()
1014     if (XShapeInputSelected(dmxScreen->beDisplay, pWinPriv->window)) {  in dmxDoSetShape()
1015         ErrorF("Input selected for window %x on Screen %d\n",  in dmxDoSetShape()
1016                (unsigned int) pWinPriv->window, pScreen->myNum);  in dmxDoSetShape()
1034     if (pWinPriv->window) {  in dmxSetShape()