Fix for issue #410

2 files changed, 11 insertions, 0 deletions

diff --git a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
index 5458cc9a3..379db286f 100644
--- a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
+++ b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
@@ -89,6 +89,8 @@ public:
   static void cairo_init(struct fl_wld_buffer *buffer, int width, int height, int stride, cairo_format_t format);
   void set_spot(int font, int height, int x, int y, int w, int h, Fl_Window *win);
   void reset_spot();
+  virtual void *gc();
+  virtual void gc(void *gc);
 };
 
 #endif // FL_WAYLAND_GRAPHICS_DRIVER_H
diff --git a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
index 9a337dde8..d0ef19724 100644
--- a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
@@ -266,3 +266,12 @@ void Fl_Wayland_Graphics_Driver::copy_offscreen(int x, int y, int w, int h, Fl_O
   cairo_surface_destroy(surf);
   cairo_restore(cairo_);
 }
+
+
+void Fl_Wayland_Graphics_Driver::gc(void *off) {} // equivalent is done by activate()
+
+
+void *Fl_Wayland_Graphics_Driver::gc() {
+  return buffer_;
+}
+