2 files changed, 12 insertions, 0 deletions
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
index 970d78839..6f0f11d3f 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
@@ -100,6 +100,8 @@ public:
   void changed_resolution(bool);// sets whether window just moved to display with another resolution
   bool view_resized();   // did window's view receive [FLView view_did_resize] message?
   void view_resized(bool b); // sets whether window's view received [FLView view_did_resize] message
+  bool through_resize();   // did Fl_Window::resize() run already
+  void through_resize(bool b); // set whether Fl_Window::resize() run already
   CGRect* subRect() { return subRect_; } // getter
   void subRect(CGRect *r) { subRect_ = r; } // setter
   static void destroy(FLWindow*);
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
index 1b6205ceb..f9ba65683 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
@@ -262,6 +262,7 @@ int Fl_Cocoa_Window_Driver::scroll(int src_x, int src_y, int src_w, int src_h, i
 static const unsigned mapped_mask = 1;
 static const unsigned changed_mask = 2;
 static const unsigned view_resized_mask = 4;
+static const unsigned through_resize_mask = 8;
 
 bool Fl_Cocoa_Window_Driver::mapped_to_retina() {
   return window_flags_ & mapped_mask;
@@ -290,6 +291,15 @@ void Fl_Cocoa_Window_Driver::view_resized(bool b) {
   else window_flags_ &= ~view_resized_mask;
 }
 
+bool Fl_Cocoa_Window_Driver::through_resize() {
+  return window_flags_ & through_resize_mask;
+}
+
+void Fl_Cocoa_Window_Driver::through_resize(bool b) {
+  if (b) window_flags_ |= through_resize_mask;
+  else window_flags_ &= ~through_resize_mask;
+}
+
 
 // clip the graphics context to rounded corners
 void Fl_Cocoa_Window_Driver::clip_to_rounded_corners(CGContextRef gc, int w, int h) {