Merge pull request #3 from jahruz67/codex/refactor-linux-global-hotkey-system

Linux: add --press daemon trigger architecture for Wayland hotkeys

app.go

@@ -6,8 +6,8 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
-	"sync/atomic"
 	"strings"
+	"sync/atomic"
 	"time"
 
 	"wis-free-v3/internal/audio/recorder"
@@ -90,6 +90,7 @@ func (a *App) startup(ctx context.Context) {
 
 	// Initialize components
 	a.startupHeadless()
+	a.startLinuxPressDaemon()
 
 	// When the user launches the app again while it is already running (tray-only),
 	// the second process signals us here so the settings window becomes visible.
@@ -338,7 +339,6 @@ func (a *App) processRecording(recordingPath string) {
 	transcribeDuration := time.Since(startTranscribe)
 	logger.Info("Transcription completed in %v", transcribeDuration)
 
-
 	if err != nil {
 		logger.Error("Transcription failed: %v", err)
 		tray.UpdateStatus("Ready")
@@ -437,6 +437,12 @@ func (a *App) GetSettings() map[string]interface{} {
 	conf["history"] = a.config.History
 	conf["startup"] = platform.IsInStartup()
 	conf["app_version"] = AppVersion
+	if runtime.GOOS == "linux" {
+		if exePath, err := os.Executable(); err == nil {
+			conf["linux_press_command"] = exePath + " --press"
+		}
+		conf["linux_press_mode"] = true
+	}
 	return conf
 }
 
@@ -445,35 +451,37 @@ func (a *App) SaveSettings(settings map[string]interface{}) string {
 	if val, ok := settings["api_key"].(string); ok {
 		a.config.APIKey = val
 	}
-	if val, ok := settings["shortcut"].(string); ok {
-		_, _, modOnly, ok := hotkey.ParseShortcut(val)
-		if !ok {
-			logger.Error("Invalid shortcut: %s (rejected)", val)
-			return "Invalid shortcut - use modifiers plus a key (e.g. ctrl+k), or modifier-only on Windows (e.g. ctrl+win)"
-		}
-		if modOnly && runtime.GOOS != "windows" {
-			return "Modifier-only shortcuts (like ctrl+win) are only supported on Windows"
-		}
+	if runtime.GOOS != "linux" {
+		if val, ok := settings["shortcut"].(string); ok {
+			_, _, modOnly, ok := hotkey.ParseShortcut(val)
+			if !ok {
+				logger.Error("Invalid shortcut: %s (rejected)", val)
+				return "Invalid shortcut - use modifiers plus a key (e.g. ctrl+k), or modifier-only on Windows (e.g. ctrl+win)"
+			}
+			if modOnly && runtime.GOOS != "windows" {
+				return "Modifier-only shortcuts (like ctrl+win) are only supported on Windows"
+			}
 
-		a.config.Shortcut = val
-		// Update existing listener with new shortcut (hot-swap)
-		if a.hotkeyListener != nil {
-			a.hotkeyListener.UpdateShortcut(val)
-		} else {
-			// Should not happen if app started correctly, but just in case
-			a.hotkeyListener = hotkey.NewListener(val, a.StartRecording, a.StopRecording)
-			if runtime.GOOS != "windows" {
-				a.hotkeyListener.SetRegistrationErrorCallback(func(err error) {
-					logger.Error("Linux hotkey registration failed: %v", err)
-					go func() {
-						time.Sleep(2 * time.Second)
-						if a.overlay != nil {
-							a.overlay.Show("Shortcut registration failed. Please add a custom system shortcut calling 'wis-free-v3 --action=toggle' as a fallback.")
-						}
-					}()
-				})
+			a.config.Shortcut = val
+			// Update existing listener with new shortcut (hot-swap)
+			if a.hotkeyListener != nil {
+				a.hotkeyListener.UpdateShortcut(val)
+			} else {
+				// Should not happen if app started correctly, but just in case
+				a.hotkeyListener = hotkey.NewListener(val, a.StartRecording, a.StopRecording)
+				if runtime.GOOS != "windows" {
+					a.hotkeyListener.SetRegistrationErrorCallback(func(err error) {
+						logger.Error("Linux hotkey registration failed: %v", err)
+						go func() {
+							time.Sleep(2 * time.Second)
+							if a.overlay != nil {
+								a.overlay.Show("Shortcut registration failed. Please add a custom system shortcut calling 'wis-free-v3 --action=toggle' as a fallback.")
+							}
+						}()
+					})
+				}
+				a.hotkeyListener.Start()
 			}
-			a.hotkeyListener.Start()
 		}
 	}
 	if val, ok := settings["whisper_model"].(string); ok {

frontend/dist/index.html

@@ -43,18 +43,19 @@
 
             <div class="section-group-label">Input</div>
 
-            <!-- Shortcut -->
-            <div class="section">
-                <label>Hotkey</label>
+            <!-- Linux Wayland Hotkey Command -->
+            <div class="section" id="linuxPressSection" style="display: none;">
+                <label>System Hotkey Command (Linux)</label>
                 <div class="form-control">
                     <div class="flex-row">
                         <div class="input-wrapper">
-                            <input type="text" id="shortcutInput" placeholder="Click Record to set..." readonly>
+                            <input type="text" id="linuxPressCommand" readonly>
                         </div>
-                        <button onclick="recordShortcut()" id="recordBtn">Record</button>
+                        <button onclick="copyLinuxPressCommand()">Copy</button>
                     </div>
                 </div>
-                <p class="hint">Click Record, then press your desired key combination (e.g. Ctrl+X).</p>
+                <p class="hint">GNOME: Settings -> Keyboard -> Custom Shortcuts -> Add a shortcut using the copied command.</p>
+                <p class="hint">KDE: System Settings -> Shortcuts -> Command/URL -> Add a shortcut using the copied command.</p>
             </div>
 
             <!-- Microphone -->

linux_press_daemon.go

@@ -0,0 +1,83 @@
+//go:build linux
+
+package main
+
+import (
+	"net/http"
+	"os"
+	"os/exec"
+	"sync"
+	"time"
+)
+
+const linuxPressAddr = "127.0.0.1:9876"
+
+var (
+	linuxPressMu        sync.Mutex
+	linuxPressTimer     *time.Timer
+	linuxPressRecording bool
+)
+
+func init() {
+	if hasPressFlag(os.Args[1:]) {
+		if err := sendLinuxPressPing(); err != nil {
+			_ = exec.Command("notify-send", "Voice App", "Please open the main application first").Run()
+			os.Exit(1)
+		}
+		os.Exit(0)
+	}
+}
+
+func hasPressFlag(args []string) bool {
+	for _, arg := range args {
+		if arg == "--press" {
+			return true
+		}
+	}
+	return false
+}
+
+func sendLinuxPressPing() error {
+	client := &http.Client{Timeout: 300 * time.Millisecond}
+	resp, err := client.Get("http://" + linuxPressAddr + "/press")
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return os.ErrNotExist
+	}
+	return nil
+}
+
+func (a *App) startLinuxPressDaemon() {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/press", func(w http.ResponseWriter, r *http.Request) {
+		linuxPressMu.Lock()
+		defer linuxPressMu.Unlock()
+
+		if !linuxPressRecording {
+			linuxPressRecording = true
+			go a.StartRecording()
+		}
+
+		if linuxPressTimer != nil {
+			linuxPressTimer.Stop()
+		}
+
+		linuxPressTimer = time.AfterFunc(300*time.Millisecond, func() {
+			linuxPressMu.Lock()
+			defer linuxPressMu.Unlock()
+			if linuxPressRecording {
+				linuxPressRecording = false
+				go a.StopRecording()
+			}
+		})
+
+		w.WriteHeader(http.StatusNoContent)
+	})
+
+	go func() {
+		_ = http.ListenAndServe(linuxPressAddr, mux)
+	}()
+}

linux_press_daemon_stub.go

@@ -0,0 +1,5 @@
+//go:build !linux
+
+package main
+
+func (a *App) startLinuxPressDaemon() {}