window.go RawHistoryFolder

1//go:build !webkit_cgo
2
3package webkit
4
5import "sync"
6
7// Window represents a top-level application window hosting a WebView.
8// Stub for future GTK application window management.
9type Window struct {
10	Title string
11	child uintptr
12	mu    sync.Mutex
13}
14
15// NewWindow constructs a Window. In real implementation, this would create a GTK window.
16func NewWindow(title string) (*Window, error) {
17	_ = title
18	return &Window{Title: title}, ErrNotImplemented
19}
20
21// SetTitle updates the window title (no-op in non-CGO build).
22func (w *Window) SetTitle(title string) {
23	w.Title = title
24}
25
26// SetChild is a stubbed window child setter for non-CGO builds.
27// Simulates GTK4 behavior where setting child to 0 unparents the current child.
28func (w *Window) SetChild(child uintptr) {
29	if w == nil {
30		return
31	}
32
33	w.mu.Lock()
34	defer w.mu.Unlock()
35
36	// GTK4 behavior: Setting child to 0 removes and potentially invalidates the current child
37	if child == 0 && w.child != 0 {
38		// GTK4 automatically unparents the current child but keeps the widget alive
39		widgetMu.Lock()
40		if stub, ok := widgetState[w.child]; ok {
41			stub.parent = 0
42		}
43		widgetMu.Unlock()
44	}
45
46	// GTK4 validation: if child is not 0, it must be a valid widget
47	if child != 0 {
48		widgetMu.Lock()
49		childStub, childExists := widgetState[child]
50		if !childExists || childStub.isDestroyed {
51			widgetMu.Unlock()
52			panic("GTK-CRITICAL simulation: gtk_window_set_child: assertion 'GTK_IS_WIDGET (widget)' failed - child is invalid")
53		}
54		childStub.parent = 1 // Simplified window handle
55		widgetMu.Unlock()
56	}
57
58	w.child = child
59}