Create struct wl_callback_listener *Fl_Wayland_Graphics_Driver::p_surface_frame_listener

3 files changed, 12 insertions, 20 deletions

diff --git a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
index 473afd810..b821ae201 100644
--- a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
@@ -397,18 +397,6 @@ static void delayed_scissor(Fl_Wayland_Gl_Window_Driver *dr) {
 }*/
 
 
-static void surface_frame_done(void *data, struct wl_callback *cb, uint32_t time) {
-  struct wld_window *xid = (struct wld_window *)data;
-  wl_callback_destroy(cb);
-  xid->frame_cb = NULL;
-}
-
-
-static const struct wl_callback_listener surface_frame_listener = {
-  .done = surface_frame_done,
-};
-
-
 void Fl_Wayland_Gl_Window_Driver::resize(int is_a_resize, int W, int H) {
   if (!egl_window) return;
   float f = Fl::screen_scale(pWindow->screen_num());
@@ -421,7 +409,8 @@ void Fl_Wayland_Gl_Window_Driver::resize(int is_a_resize, int W, int H) {
     struct wld_window *xid = fl_wl_xid(pWindow);
     if (xid->kind == Fl_Wayland_Window_Driver::DECORATED && !xid->frame_cb) {
       xid->frame_cb = wl_surface_frame(xid->wl_surface);
-      wl_callback_add_listener(xid->frame_cb, &surface_frame_listener, xid);
+      wl_callback_add_listener(xid->frame_cb, 
+                               Fl_Wayland_Graphics_Driver::p_surface_frame_listener, xid);
     }
     wl_egl_window_resize(egl_window, W, H, 0, 0);
   }
diff --git a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
index b8c7a2a8d..c3730dee4 100644
--- a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
+++ b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.H
@@ -53,6 +53,7 @@ public:
   };
   static const uint32_t wld_format;
   static struct wl_shm_pool *current_pool;
+  static FL_EXPORT const struct wl_callback_listener *p_surface_frame_listener;
   void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen osrc,
                       int srcx, int srcy) FL_OVERRIDE;
   void cache_size(Fl_Image *img, int &width, int &height) FL_OVERRIDE;
diff --git a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
index a5b7c2dfe..2dd6ac527 100644
--- a/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Graphics_Driver.cxx
@@ -118,15 +118,13 @@ struct Fl_Wayland_Graphics_Driver::wld_buffer *
 }
 
 
-// used to support both normal and progressive drawing
+// used to support both normal and progressive drawing and for top-level GL windows
 static void surface_frame_done(void *data, struct wl_callback *cb, uint32_t time) {
   struct wld_window *window = (struct wld_window *)data;
   wl_callback_destroy(cb);
-  if (window->buffer) { // fix for issue #712
-    window->frame_cb = NULL;
-    if (window->buffer->draw_buffer_needs_commit) {
-      Fl_Wayland_Graphics_Driver::buffer_commit(window);
-    }
+  window->frame_cb = NULL;
+  if (window->buffer && window->buffer->draw_buffer_needs_commit) {
+    Fl_Wayland_Graphics_Driver::buffer_commit(window);
   }
 }
 
@@ -136,6 +134,10 @@ static const struct wl_callback_listener surface_frame_listener = {
 };
 
 
+const struct wl_callback_listener *Fl_Wayland_Graphics_Driver::p_surface_frame_listener =
+  &surface_frame_listener;
+
+
 // copy pixels in region r from the Cairo surface to the Wayland buffer
 static void copy_region(struct wld_window *window, struct flCairoRegion *r) {
   struct Fl_Wayland_Graphics_Driver::wld_buffer *buffer = window->buffer;
@@ -178,7 +180,7 @@ void Fl_Wayland_Graphics_Driver::buffer_commit(struct wld_window *window, struct
       Fl_Wayland_Window_Driver::driver(window->fl_win)->wld_scale() );
   if (!window->covered) { // see issue #878
     window->frame_cb = wl_surface_frame(window->wl_surface);
-    wl_callback_add_listener(window->frame_cb, &surface_frame_listener, window);
+    wl_callback_add_listener(window->frame_cb, p_surface_frame_listener, window);
   }
   wl_surface_commit(window->wl_surface);
   window->buffer->draw_buffer_needs_commit = false;