FLTK implementation of the "GTK Shell" Wayland protocol - cont'd

The loop over all libdecor-gtk decorations is now made using libdecor's
data structures, rather than using FLTK's mapped window list.

1 files changed, 4 insertions, 10 deletions

diff --git a/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
index 26f85ede0..b1590e2de 100644
--- a/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx
@@ -47,7 +47,7 @@
 #include <string.h> // for strerror()
 extern "C" {
   bool libdecor_get_cursor_settings(char **theme, int *size);
-  struct wl_surface *fl_headerbar_surface(struct libdecor_frame *frame);
+  bool fl_is_surface_gtk_titlebar(struct wl_surface *, struct libdecor *);
 }
 
 
@@ -203,15 +203,9 @@ static void pointer_enter(void *data, struct wl_pointer *wl_pointer, uint32_t se
         struct wl_surface *surface, wl_fixed_t surface_x, wl_fixed_t surface_y) {
   Fl_Window *win = event_coords_from_surface(surface, surface_x, surface_y);
   if (!win && gtk_shell) { // check that surface is the headerbar of a GTK-decorated window
-    Fl_X *x = Fl_X::first;
-    while (x) {
-      struct wld_window *xid = (struct wld_window*)x->xid;
-      if (xid->kind == Fl_Wayland_Window_Driver::DECORATED &&
-          surface == fl_headerbar_surface(xid->frame)) {
-        gtk_shell_surface = surface;
-        return;
-      }
-      x = x->next;
+    Fl_Wayland_Screen_Driver *scr_driver = (Fl_Wayland_Screen_Driver*)Fl::screen_driver();
+    if (fl_is_surface_gtk_titlebar(surface, scr_driver->libdecor_context)) {
+      gtk_shell_surface = surface;
     }
   }
   if (!win) return;