handle click dock icon to reopen app for Mac

2026-03-14 19:38:41 -07:00
parent e23dfb8554
commit 9a30559343
4 changed files with 78 additions and 1 deletions
@@ -0,0 +1,41 @@
+//go:build darwin
+
+#import <AppKit/AppKit.h>
+
+extern void appReopened(void);
+
+@interface ReopenDelegate : NSObject<NSApplicationDelegate>
+@property (nonatomic, strong) id<NSApplicationDelegate> wrapped;
+@end
+
+
+@implementation ReopenDelegate
+
+- (BOOL)applicationShouldHandleReopen:(NSApplication *)app
+                    hasVisibleWindows:(BOOL)hasVisible {
+    if (!hasVisible) {
+        appReopened();
+    }
+    if ([self.wrapped respondsToSelector:_cmd]) {
+        return [self.wrapped applicationShouldHandleReopen:app
+                                        hasVisibleWindows:hasVisible];
+    }
+    return YES;
+}
+
+- (BOOL)respondsToSelector:(SEL)sel {
+    return [super respondsToSelector:sel] ||
+           [self.wrapped respondsToSelector:sel];
+}
+
+- (id)forwardingTargetForSelector:(SEL)sel {
+    return [self.wrapped respondsToSelector:sel] ? self.wrapped : nil;
+}
+
+@end
+
+void installReopenDelegate(void) {
+    ReopenDelegate *d = [ReopenDelegate new];
+    d.wrapped = [NSApp delegate];
+    [NSApp setDelegate:d];
+}