Improved Mac OS implementation of Fl_Window::wait_for_expose().

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10828 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/mac.H

@@ -208,7 +208,6 @@ public:
   static Fl_Fontdesc* calc_fl_fonts(void); // computes the fl_fonts global variable
   static int dnd(int use_selection); // call Fl_X::dnd(1) to support text dragging
   static int calc_mac_os_version(void); // computes the fl_mac_os_version global variable
-  static void do_wait_for_expose();
 private:
 #if FLTK_ABI_VERSION >= 10304
   CGRect* subRect_;           // makes sure subwindow remains inside its parent window

src/Fl_Window.cxx

@@ -401,6 +401,8 @@ void Fl_Window::free_icons() {
 #endif
 }
 
+
+#ifndef __APPLE__
 /**
   Waits for the window to be displayed after calling show().
 
@@ -462,14 +464,11 @@ void Fl_Window::free_icons() {
 
 void Fl_Window::wait_for_expose() {
   if (!shown()) return;
-#ifdef __APPLE__
-  Fl_X::do_wait_for_expose();
-#else
   while (!i || i->wait_for_expose) {
     Fl::wait();
   }
-#endif
 }
+#endif  // ! __APPLE__
 
 //
 // End of "$Id$".

src/Fl_cocoa.mm

@@ -3085,11 +3085,13 @@ void Fl_Window::size_range_() {
   }
 }
 
-void Fl_X::do_wait_for_expose()
-{ // this will make freshly created windows appear on the screen
-  [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:NO];
-  if (fl_mac_os_version >= 101100) { // this extra message seems necessary with 10.11
-    [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:nil inMode:NSDefaultRunLoopMode dequeue:NO];
+void Fl_Window::wait_for_expose()
+{
+  if (shown()) {
+    // this makes freshly created windows appear on the screen, if they are not there already
+    NSModalSession session = [NSApp beginModalSessionForWindow:i->xid];
+    [NSApp runModalSession:session];
+    [NSApp endModalSession:session];
   }
 }