2: #include <../src/sys/classes/draw/impls/x/ximpl.h>

  4: /*
  5:     This routine waits until the window is actually created or destroyed
  6:     Returns 0 if window is mapped; 1 if window is destroyed.
  7:  */
 10: PetscErrorCode PetscDrawXi_wait_map(PetscDraw_X *PetscDrawXiWin)
 11: {
 12:   XEvent event;
 13:   int    w,h;

 16:   /*
 17:    This is a bug.  XSelectInput should be set BEFORE the window is mapped
 18:   */
 19:   /*
 20:   XSelectInput(PetscDrawXiWin->disp,PetscDrawXiWin->win,ExposureMask | StructureNotifyMask);
 21:   */
 22:   while (1) {
 23:     XMaskEvent(PetscDrawXiWin->disp,ExposureMask | StructureNotifyMask,&event);
 24:     if (event.xany.window != PetscDrawXiWin->win) break; /* Bug for now */
 25:     else {
 26:       switch (event.type) {
 27:       case ConfigureNotify:
 28:         /* window has been moved or resized */
 29:         w                 = event.xconfigure.width  - 2 * event.xconfigure.border_width;
 30:         h                 = event.xconfigure.height - 2 * event.xconfigure.border_width;
 31:         PetscDrawXiWin->w = w;
 32:         PetscDrawXiWin->h = h;
 33:         break;
 34:       case DestroyNotify:
 35:         PetscFunctionReturn(1);
 36:       case Expose:
 37:         return(0);
 38:         /* else ignore event */
 39:       }
 40:     }
 41:   }
 42:   return(0);
 43: }