From 408d0672a4b50dc7f9d8babd6d03f5cdcbe034da Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Fri, 11 Mar 2016 08:31:36 +0000
Subject: Rewrite Fl_Window::wait_for_expose() using the window driver
 approach.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11346 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H   | 1 +
 src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx | 9 +++++++++
 2 files changed, 10 insertions(+)

(limited to 'src/drivers/WinAPI')

diff --git a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
index 53c00cad4..7000356e3 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
+++ b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.H
@@ -75,6 +75,7 @@ public:
   void icons(HICON big_icon, HICON small_icon);
   // this one is implemented in Fl_win32.cxx
   virtual void capture_titlebar_and_borders(Fl_Shared_Image*& top, Fl_Shared_Image*& left, Fl_Shared_Image*& bottom, Fl_Shared_Image*& right);
+  virtual void wait_for_expose();
 };
 
 
diff --git a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx
index 796f60c36..f1b086566 100644
--- a/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx
+++ b/src/drivers/WinAPI/Fl_WinAPI_Window_Driver.cxx
@@ -18,6 +18,7 @@
 
 
 #include "../../config_lib.h"
+#include <FL/Fl.H>
 #include "Fl_WinAPI_Window_Driver.H"
 #include <windows.h>
 
@@ -247,6 +248,14 @@ void Fl_WinAPI_Window_Driver::icons(HICON big_icon, HICON small_icon)
     Fl_X::i(pWindow)->set_icons();
 }
 
+void Fl_WinAPI_Window_Driver::wait_for_expose() {
+  if (!pWindow->shown()) return;
+  Fl_X *i = Fl_X::i(pWindow);
+  while (!i || i->wait_for_expose) {
+    Fl::wait();
+  }
+}
+
 //
 // End of "$Id$".
 //
-- 
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