mouse_gestures.go RawHistoryFolder

1package webkit
2
3import (
4	"log"
5
6	"github.com/diamondburned/gotk4/pkg/gtk/v4"
7)
8
9// Mouse button constants for navigation
10// Standard button numbers (consistent across Wayland and GTK)
11const (
12	mouseButtonBack    = 8 // Side button (back)
13	mouseButtonForward = 9 // Side button (forward)
14)
15
16// AttachMouseGestures attaches mouse button gesture handling to the WebView
17// This enables hardware mouse button navigation (back/forward buttons)
18func (w *WebView) AttachMouseGestures() {
19	if w.view == nil {
20		log.Printf("[mouse-gestures] Cannot attach: WebView is nil")
21		return
22	}
23
24	// Create gesture controller for mouse clicks
25	gestureClick := gtk.NewGestureClick()
26
27	// Listen to all mouse buttons (0 = any button)
28	gestureClick.SetButton(0)
29
30	// Set to capture phase to intercept before WebView processes
31	gestureClick.SetPropagationPhase(gtk.PhaseCapture)
32
33	// Connect to pressed signal
34	gestureClick.ConnectPressed(func(nPress int, x, y float64) {
35		// Get which button was pressed
36		button := gestureClick.CurrentButton()
37
38		// Only handle single clicks (not double/triple clicks)
39		if nPress != 1 {
40			return
41		}
42
43		switch button {
44		case mouseButtonBack:
45			if w.view.CanGoBack() {
46				log.Printf("[mouse-gestures] Back button clicked - navigating backward")
47				w.view.GoBack()
48			} else {
49				log.Printf("[mouse-gestures] Back button clicked but cannot go back")
50			}
51
52		case mouseButtonForward:
53			if w.view.CanGoForward() {
54				log.Printf("[mouse-gestures] Forward button clicked - navigating forward")
55				w.view.GoForward()
56			} else {
57				log.Printf("[mouse-gestures] Forward button clicked but cannot go forward")
58			}
59		}
60	})
61
62	// Attach controller to WebView
63	w.view.AddController(gestureClick)
64
65	log.Printf("[mouse-gestures] Mouse gesture controller attached to WebView ID %d", w.id)
66}