//Metoda usuwa obiekt z kontenera
void CDrawableManager::DestroyDrawable(IDrawable* drawable)
{
if (drawable != NULL)
{
UnregisterDrawable(drawable);
delete drawable;
}
else
fprintf(stderr, "warning: CDrawableManager::DestroyDrawable: tried to destroy null drawable\n");
}
//Metoda rejestruje obiekt
void CDrawableManager::RegisterDrawable(IDrawable* drawable, int z_index)
{
if (!IsCorrectZIndex(z_index)) return;
if (drawable == NULL) return;
if (drawable->m_layer_index >= 0)
UnregisterDrawable(drawable);
m_layers[z_index].push_back(drawable);
drawable->m_layer_index = z_index;
drawable->m_layer_vector_index = (int)(m_layers[z_index].size()-1);
}
/***********************************************************************
* Event Handler to detect the destruction of a client window
***********************************************************************/
static void
SubstructureNotifyHandler (
Widget widget,
XtPointer client_data,
XEvent* event,
Boolean* cont)
{
PluginInstance* This = (PluginInstance*) client_data;
#ifdef PLUGIN_TRACE
fprintf (stderr, "%s\n", "SubstructureNotifyHandler");
#endif
if (event->type == DestroyNotify) {
int i;
#ifdef PLUGIN_TRACE
fprintf (stderr, "%s\n", "DestroyNotify");
#endif
for (i = 0; i < This->nclient_windows; i++)
if (This->client_windows[i].win == event->xdestroywindow.window) {
This->nclient_windows--;
if (This->nclient_windows > 0) {
/* remove this window from the list */
for (; i < This->nclient_windows; i++)
This->client_windows[i] = This->client_windows[i + 1];
} else { /* no more client windows! */
/* get back to user to restart the application */
RxpSetStatusWidget(This, WAITING);
}
ResetWMColormap(This, event->xdestroywindow.window);
UnregisterDrawable(event->xdestroywindow.window,
This->plugin_widget);
break;
}
}
}
