2 files changed, 20 insertions, 0 deletions
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.cxx b/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.cxx
index 372ee38ec..af36b1fd1 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.cxx
+++ b/src/drivers/Cocoa/Fl_Cocoa_Gl_Window_Driver.cxx
@@ -297,4 +297,15 @@ Fl_RGB_Image* Fl_Cocoa_Gl_Window_Driver::capture_gl_rectangle(int x, int y, int
   return img;
 }
 
+class Fl_Gl_Cocoa_Plugin : public Fl_Cocoa_Plugin {
+public:
+  Fl_Gl_Cocoa_Plugin() : Fl_Cocoa_Plugin(name()) { }
+  virtual const char *name() { return "gl.cocoa.fltk.org"; }
+  virtual void resize(Fl_Gl_Window *glw, int x, int y, int w, int h) {
+    glw->Fl_Gl_Window::resize(x, y, w, h);
+  }
+};
+
+static Fl_Gl_Cocoa_Plugin Gl_Cocoa_Plugin;
+
 #endif // HAVE_GL
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
index 4bc7d3783..3003e3904 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
@@ -24,6 +24,7 @@
 #define FL_COCOA_WINDOW_DRIVER_H
 
 #include "../../Fl_Window_Driver.H"
+#include <FL/Fl_Plugin.H>
 #include <ApplicationServices/ApplicationServices.h>
 
 class Fl_Image;
@@ -163,4 +164,12 @@ public:
   NSImage *icon_image;
 };
 
+class Fl_Cocoa_Plugin : public Fl_Plugin {
+public:
+  Fl_Cocoa_Plugin(const char *pluginName)  : Fl_Plugin(klass(), pluginName) { }
+  virtual const char *klass() { return "fltk:cocoa"; }
+  virtual const char *name() = 0;
+  virtual void resize(Fl_Gl_Window *glw, int x, int y, int w, int h) = 0;
+};
+
 #endif // FL_COCOA_WINDOW_DRIVER_H