Fix fullscreen mode on glutin backend[ci skip]

src/framework/backend_glutin.rs

@@ -351,6 +351,18 @@ impl BackendEventLoop for GlutinEventLoop {
                 }
                 _ => (),
             }
+
+            #[cfg(not(any(target_os = "android", target_os = "horizon")))]
+            {
+                if state_ref.settings.window_mode.get_glutin_fullscreen_type() != window.window().fullscreen() {
+                    let fullscreen_type = state_ref.settings.window_mode.get_glutin_fullscreen_type();
+                    let cursor_visible = state_ref.settings.window_mode.should_display_mouse_cursor();
+
+                    window.window().set_fullscreen(fullscreen_type);
+
+                    window.window().set_cursor_visible(cursor_visible);
+                }
+            }
         });
     }
 

src/framework/backend_sdl2.rs

@@ -396,13 +396,14 @@ impl BackendEventLoop for SDL2EventLoop {
                     let window = refs.window.window_mut();
 
                     let fullscreen_type = state.settings.window_mode.get_sdl2_fullscreen_type();
+                    let show_cursor = state.settings.window_mode.should_display_mouse_cursor();
 
                     window.set_fullscreen(fullscreen_type);
                     window
                         .subsystem()
                         .sdl()
                         .mouse()
-                        .show_cursor(state.settings.window_mode.should_display_mouse_cursor());
+                        .show_cursor(show_cursor);
 
                     refs.fullscreen_type = fullscreen_type;
                 }

src/game/shared_game_state.rs

@@ -86,6 +86,14 @@ impl WindowMode {
         }
     }
 
+    #[cfg(feature = "backend-glutin")]
+    pub fn get_glutin_fullscreen_type(&self) -> Option<glutin::window::Fullscreen> {
+        match self {
+            WindowMode::Windowed => None,
+            WindowMode::Fullscreen => Some(glutin::window::Fullscreen::Borderless(None)),
+        }
+    }
+
     pub fn should_display_mouse_cursor(&self) -> bool {
         match self {
             WindowMode::Windowed => true,