/* In some case (like compiz which doesn't provide us with clipping regions) we
* have to make sure that *all* open OpenGL windows are clipped to the main
* application window. This is done here when called from the event handler
* which monitor bounding changes of the main window. */
static void crClipRootHelper(unsigned long key, void *data1, void *data2)
{
/* The window with id zero is the base window, which isn't displayed at
* all. So ignore it. */
if (key > 0)
{
/* Fetch the actually window info & the user data */
WindowInfo *pWin = (WindowInfo *) data1;
/* We need to assign the context with this window */
ContextInfo *context = renderspuGetWindowContext(pWin);
if (context &&
context->context)
{
RTSemFastMutexRequest(render_spu.syncMutex);
GLboolean result = render_spu.ws.aglSetCurrentContext(context->context);
CHECK_AGL_RC (result, "Render SPU (crClipRootHelper): SetCurrentContext Failed");
if (result)
{
result = render_spu.ws.aglUpdateContext(context->context);
CHECK_AGL_RC (result, "Render SPU (crClipRootHelper): UpdateContext Failed");
/* Update the clipping region */
renderspu_SystemWindowApplyVisibleRegion(pWin);
}
RTSemFastMutexRelease(render_spu.syncMutex);
/* Make sure that the position is updated relative to the Qt main
* view */
renderspu_SystemWindowPosition(pWin, pWin->x, pWin->y);
}
}
}
static void RENDER_APIENTRY
renderspuWindowPosition( GLint win, GLint x, GLint y )
{
if (!render_spu.ignore_window_moves) {
WindowInfo *window;
CRASSERT(win >= 0);
window = (WindowInfo *) crHashtableSearch(render_spu.windowTable, win);
if (window) {
renderspu_SystemWindowPosition( window, x, y );
window->x = x;
window->y = y;
}
else {
crDebug("Render SPU: Attempt to move invalid window (%d)", win);
}
}
}
/* Either show or hide the render SPU's window. */
void
renderspu_SystemShowWindow(WindowInfo *window, GLboolean showIt)
{
CRASSERT(window);
CRASSERT(window->window);
if (!IsValidWindowPtr(window->window))
return;
if(showIt)
{
/* Force moving the win to the right position before we show it */
renderspu_SystemWindowPosition (window, window->x, window->y);
OSStatus status = noErr;
/* Send a event to the main thread, cause some function of Carbon
* aren't thread safe */
EventRef evt;
status = CreateEvent(NULL, kEventClassVBox, kEventVBoxShowWindow, 0, kEventAttributeNone, &evt);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): CreateEvent Failed");
status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): SetEventParameter Failed");
status = SetEventParameter(evt, kEventParamUserData, typeVoidPtr, sizeof (window), &window);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemWindowShow): SetEventParameter Failed");
//status = SendEventToEventTarget (evt, GetWindowEventTarget (HIViewGetWindow ((HIViewRef)render_spu_parent_window_id)));
status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): PostEventToQueue Failed");
}
else
{
EventRef evt;
OSStatus status = CreateEvent(NULL, kEventClassVBox, kEventVBoxHideWindow, 0, kEventAttributeNone, &evt);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): CreateEvent Failed");
status = SetEventParameter(evt, kEventParamWindowRef, typeWindowRef, sizeof (window->window), &window->window);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): SetEventParameter Failed");
status = PostEventToQueue(GetMainEventQueue(), evt, kEventPriorityStandard);
CHECK_CARBON_RC_RETURN_VOID (status, "Render SPU (renderspu_SystemShowWindow): PostEventToQueue Failed");
}
}
