From 1e6bc1c73aa2a080aa0b50525d4edac1e80f7861 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Tue, 11 Aug 2015 11:47:21 +0000
Subject: 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
---
 src/Fl_Window.cxx |  7 +++----
 src/Fl_cocoa.mm   | 12 +++++++-----
 2 files changed, 10 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/Fl_Window.cxx b/src/Fl_Window.cxx
index 50bc65e94..134d886de 100644
--- a/src/Fl_Window.cxx
+++ b/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 "$Id$".
diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 9c91a79f8..1c10d659b 100644
--- a/src/Fl_cocoa.mm
+++ b/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];
   }
 }
 
-- 
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