app/internal/window: [macOS] remove window reference from app delegate

Updates #19

Signed-off-by: Elias Naur <mail@eliasnaur.com>

app/internal/window/os_macos.go

@@ -259,6 +259,20 @@ func gio_onShow(view C.CFTypeRef) {
 	w.setStage(system.StageRunning)
 }
 
+//export gio_onAppHide
+func gio_onAppHide() {
+	for _, w := range viewMap {
+		w.setStage(system.StagePaused)
+	}
+}
+
+//export gio_onAppShow
+func gio_onAppShow() {
+	for _, w := range viewMap {
+		w.setStage(system.StageRunning)
+	}
+}
+
 //export gio_onCreate
 func gio_onCreate(view C.CFTypeRef) {
 	scale := float32(C.gio_getViewBackingScale(view))

app/internal/window/os_macos.m

@@ -7,7 +7,6 @@
 #include "_cgo_export.h"
 
 @interface GioAppDelegate : NSObject<NSApplicationDelegate>
-@property (strong,nonatomic) NSWindow *window;
 @end
 
 @interface GioWindowDelegate : NSObject<NSWindowDelegate>
@@ -18,10 +17,10 @@
 	[[NSRunningApplication currentApplication] activateWithOptions:(NSApplicationActivateAllWindows | NSApplicationActivateIgnoringOtherApps)];
 }
 - (void)applicationDidHide:(NSNotification *)aNotification {
-	gio_onHide((__bridge CFTypeRef)self.window.contentView);
+	gio_onAppHide();
 }
 - (void)applicationWillUnhide:(NSNotification *)notification {
-	gio_onShow((__bridge CFTypeRef)self.window.contentView);
+	gio_onAppShow();
 }
 @end
 
@@ -178,8 +177,6 @@ void gio_main(CFTypeRef viewRef, const char *title, CGFloat width, CGFloat heigh
 		globalWindowDel = [[GioWindowDelegate alloc] init];
 		NSWindow *window = (__bridge NSWindow *)gio_createWindow(viewRef, title, width, height);
 
-		del.window = window;
-
 		[NSApp setDelegate:del];
 
 		[NSApp run];