feat: Enhance overlay functionality with window focus tracking and hotkey support

Author: qianlifeng

wox.core/plugin/system/explorer/explorer.go

@@ -162,7 +162,8 @@ func (c *ExplorerPlugin) queryFileExplorer(ctx context.Context, query plugin.Que
 		if isDir {
 			actions = []plugin.QueryResultAction{
 				{
-					Name: "i18n:plugin_explorer_open",
+					Name:   "i18n:plugin_explorer_open",
+					Hotkey: "ctrl+enter",
 					Action: func(ctx context.Context, actionContext plugin.ActionContext) {
 						if activePid <= 0 {
 							c.api.Log(ctx, plugin.LogLevelError, fmt.Sprintf("Navigate explorer by pid failed: invalid pid=%d path=%s", activePid, fullPath))
@@ -176,27 +177,28 @@ func (c *ExplorerPlugin) queryFileExplorer(ctx context.Context, query plugin.Que
 					},
 				},
 				{
-					Name: "i18n:plugin_explorer_open_containing_folder",
+					Name:      "i18n:plugin_explorer_open_containing_folder",
+					IsDefault: true,
 					Action: func(ctx context.Context, actionContext plugin.ActionContext) {
 						shell.OpenFileInFolder(fullPath)
 					},
-					Hotkey: "ctrl+enter",
 				},
 			}
 		} else {
 			actions = []plugin.QueryResultAction{
 				{
-					Name: "i18n:plugin_explorer_open",
+					Name:   "i18n:plugin_explorer_open",
+					Hotkey: "ctrl+enter",
 					Action: func(ctx context.Context, actionContext plugin.ActionContext) {
 						shell.Open(fullPath)
 					},
 				},
 				{
-					Name: "i18n:plugin_explorer_open_containing_folder",
+					Name:      "i18n:plugin_explorer_open_containing_folder",
+					IsDefault: true,
 					Action: func(ctx context.Context, actionContext plugin.ActionContext) {
 						shell.OpenFileInFolder(fullPath)
 					},
-					Hotkey: "ctrl+enter",
 				},
 			}
 		}
@@ -410,10 +412,12 @@ func (c *ExplorerPlugin) loadOpenSaveHistory(ctx context.Context) *util.HashMap[
 }
 
 func (c *ExplorerPlugin) startOverlayListener(ctx context.Context) {
+	woxIcon, _ := common.WoxIcon.ToImage()
 	StartMonitor(func(pid int) {
 		message := i18n.GetI18nManager().TranslateWox(ctx, "plugin_explorer_hint_message")
 		overlay.Show(overlay.OverlayOptions{
 			Name:            "explorer_hint",
+			Icon:            woxIcon,
 			Message:         message,
 			StickyWindowPid: pid,
 			Anchor:          overlay.AnchorBottomRight,

wox.core/plugin/system/explorer/monitor_darwin.go

@@ -2,7 +2,7 @@ package explorer
 
 /*
 #cgo CFLAGS: -x objective-c
-#cgo LDFLAGS: -framework Cocoa
+#cgo LDFLAGS: -framework Cocoa -framework ApplicationServices
 extern void finderActivatedCallbackCGO(int pid);
 void startFinderMonitor();
 void stopFinderMonitor();

wox.core/plugin/system/explorer/monitor_darwin.m

@@ -4,6 +4,58 @@
 extern void finderActivatedCallbackCGO(int pid);
 
 static id gAppActivationObserver = nil;
+static AXObserverRef gFinderWindowObserver = nil;
+static pid_t gFinderPid = 0;
+
+// AXObserver callback - called when Finder's focused window changes
+static void finderWindowFocusCallback(AXObserverRef observer, AXUIElementRef element, CFStringRef notification, void *refcon) {
+    if (gFinderPid > 0) {
+        finderActivatedCallbackCGO(gFinderPid);
+    }
+}
+
+static void startFinderWindowObserver(pid_t pid) {
+    // Stop existing observer if any
+    if (gFinderWindowObserver) {
+        CFRunLoopRemoveSource(CFRunLoopGetMain(), 
+                              AXObserverGetRunLoopSource(gFinderWindowObserver), 
+                              kCFRunLoopDefaultMode);
+        CFRelease(gFinderWindowObserver);
+        gFinderWindowObserver = nil;
+    }
+    
+    gFinderPid = pid;
+    
+    // Create AXObserver for window focus changes
+    AXObserverRef observer = NULL;
+    AXError err = AXObserverCreate(pid, finderWindowFocusCallback, &observer);
+    if (err != kAXErrorSuccess || !observer) {
+        return;
+    }
+    
+    gFinderWindowObserver = observer;
+    
+    // Get the application element and add notification
+    AXUIElementRef app = AXUIElementCreateApplication(pid);
+    if (app) {
+        AXObserverAddNotification(observer, app, kAXFocusedWindowChangedNotification, NULL);
+        CFRelease(app);
+    }
+    
+    // Add observer to run loop
+    CFRunLoopAddSource(CFRunLoopGetMain(), AXObserverGetRunLoopSource(observer), kCFRunLoopDefaultMode);
+}
+
+static void stopFinderWindowObserver() {
+    if (gFinderWindowObserver) {
+        CFRunLoopRemoveSource(CFRunLoopGetMain(), 
+                              AXObserverGetRunLoopSource(gFinderWindowObserver), 
+                              kCFRunLoopDefaultMode);
+        CFRelease(gFinderWindowObserver);
+        gFinderWindowObserver = nil;
+    }
+    gFinderPid = 0;
+}
 
 void startFinderMonitor() {
     @autoreleasepool {
@@ -16,14 +68,29 @@ void startFinderMonitor() {
                     usingBlock:^(NSNotification *notification) {
                         NSRunningApplication *app = [[notification userInfo] objectForKey:NSWorkspaceApplicationKey];
                         if (app && [[app bundleIdentifier] isEqualToString:@"com.apple.finder"]) {
-                            finderActivatedCallbackCGO([app processIdentifier]);
+                            pid_t pid = [app processIdentifier];
+                            finderActivatedCallbackCGO(pid);
+                            // Start observing window focus changes within Finder
+                            startFinderWindowObserver(pid);
+                        } else {
+                            // Stop observing when switching away from Finder
+                            stopFinderWindowObserver();
                         }
                     }];
+        
+        // Check if Finder is already active
+        NSRunningApplication *activeApp = [[NSWorkspace sharedWorkspace] frontmostApplication];
+        if (activeApp && [[activeApp bundleIdentifier] isEqualToString:@"com.apple.finder"]) {
+            pid_t pid = [activeApp processIdentifier];
+            finderActivatedCallbackCGO(pid);
+            startFinderWindowObserver(pid);
+        }
     }
 }
 
 void stopFinderMonitor() {
     @autoreleasepool {
+        stopFinderWindowObserver();
         if (gAppActivationObserver) {
             [[NSWorkspace sharedWorkspace].notificationCenter removeObserver:gAppActivationObserver];
             gAppActivationObserver = nil;

wox.core/util/overlay/overlay_darwin.go

@@ -2,7 +2,7 @@ package overlay
 
 /*
 #cgo CFLAGS: -x objective-c
-#cgo LDFLAGS: -framework Cocoa -framework ApplicationServices
+#cgo LDFLAGS: -framework Cocoa -framework ApplicationServices -framework CoreVideo
 #include <stdlib.h>
 #include <stdbool.h>