Wayland: Fix issue in maximization of a borderless window (#1099)

Also fixes scenarios mixing fullscreen and maximization:
- maximize
- set fullscreen
- unset fullscreen
- un-maximize
with and without window border.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/Fl_Window.cxx b/src/Fl_Window.cxx
index 6ded79b01..c0dad7e37 100644
--- a/src/Fl_Window.cxx
+++ b/src/Fl_Window.cxx
@@ -954,13 +954,14 @@ fl_uintptr_t Fl_Window::os_id() { return pWindowDriver->os_id();}
 
  This function is effective only with a show()'n, resizable, top-level window.
  Bordered and borderless windows can be used.
+ Fullscreen windows can't be used.
  \see Fl_Window::un_maximize(), Fl_Window::maximize_active()
  */
 void Fl_Window::maximize() {
-  if (!shown() || parent() || !is_resizable() || maximize_active()) return;
+  if (!shown() || parent() || !is_resizable() || maximize_active() || fullscreen_active())
+    return;
   set_flag(MAXIMIZED);
-  if (border()) pWindowDriver->maximize();
-  else pWindowDriver->Fl_Window_Driver::maximize();
+  pWindowDriver->maximize();
 }
 
 /**
@@ -968,10 +969,9 @@ void Fl_Window::maximize() {
  \see Fl_Window::maximize()
 */
 void Fl_Window::un_maximize() {
-  if (!shown() || parent() || !is_resizable() || !maximize_active()) return;
+  if (!shown() || parent() || !is_resizable() || !maximize_active() || fullscreen_active()) return;
   clear_flag(MAXIMIZED);
-  if (border()) pWindowDriver->un_maximize();
-  else pWindowDriver->Fl_Window_Driver::un_maximize();
+  pWindowDriver->un_maximize();
 }
 
 void Fl_Window::is_maximized_(bool b) {