Wayland: fix opening GL top-level window on 2-screen system

1 files changed, 4 insertions, 5 deletions

diff --git a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
index fe8e75e0a..afcfd5d7d 100644
--- a/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx
@@ -411,7 +411,9 @@ void Fl_Wayland_Gl_Window_Driver::resize(int is_a_resize, int W, int H) {
   wl_egl_window_get_attached_size(egl_window, &W2, &H2);
   if (W2 != W || H2 != H) {
     wl_egl_window_resize(egl_window, W, H, 0, 0);
-    //fprintf(stderr, "Fl_Wayland_Gl_Window_Driver::resize to %dx%d\n", W, H);
+    //fprintf(stderr, "Fl_Wayland_Gl_Window_Driver::resize from %dx%d to %dx%d\n",
+    //        W2, H2, W, H);
+    Fl::wait(0);
   }
   /* CONTROL_LEAKING_SUB_GL_WINDOWS
   if (Fl_Wayland_Window_Driver::driver(pWindow)->subRect()) {
@@ -430,9 +432,6 @@ void Fl_Wayland_Gl_Window_Driver::gl_visual(Fl_Gl_Choice *c) {
   wld_egl_conf = ((Fl_Wayland_Gl_Choice*)c)->egl_conf;
 }
 
-static void delayed_redraw(Fl_Window *win) {
-  win->redraw();
-}
 
 void Fl_Wayland_Gl_Window_Driver::gl_start() {
   float f = Fl::screen_scale(Fl_Window::current()->screen_num());
@@ -443,7 +442,7 @@ void Fl_Wayland_Gl_Window_Driver::gl_start() {
   wl_egl_window_get_attached_size(dr->gl_start_support_->egl_window, &W2, &H2);
   if (W2 != W || H2 != H) {
     wl_egl_window_resize(dr->gl_start_support_->egl_window, W, H, 0, 0);
-    Fl::add_timeout(0.01, (Fl_Timeout_Handler)delayed_redraw, Fl_Window::current());
+    Fl::wait(0);
   }
   glClearColor(0., 0., 0., 0.);
   glClear(GL_COLOR_BUFFER_BIT);