func newTab() Tab {
widget := C.gtk_notebook_new()
t := &tab{
controlSingleWidget: newControlSingleWidget(widget),
container: (*C.GtkContainer)(unsafe.Pointer(widget)),
notebook: (*C.GtkNotebook)(unsafe.Pointer(widget)),
}
// there are no scrolling arrows by default; add them in case there are too many tabs
C.gtk_notebook_set_scrollable(t.notebook, C.TRUE)
return t
}
func main() {
// init gtk
var argc C.int
C.gtk_init(&argc, nil)
// root window
win := C.gtk_window_new(C.GTK_WINDOW_TOPLEVEL)
connect(win, "destroy", func() { // quit gtk when window is closed
C.gtk_main_quit()
})
// root grid
grid := C.gtk_grid_new()
C.gtk_container_add(asContainer(win), grid)
// webview container
pages := C.gtk_notebook_new()
C.gtk_grid_attach(asGrid(grid), pages, 0, 0, 1, 1)
C.gtk_widget_set_vexpand(pages, C.gtk_true())
C.gtk_widget_set_hexpand(pages, C.gtk_true())
C.gtk_notebook_set_tab_pos(asNotebook(pages), C.GTK_POS_LEFT)
// new view constructor
var newView func() *View
newView = func() *View {
view := NewView()
label := C.gtk_label_new(nil)
C.gtk_label_set_use_markup(asLabel(label), C.gtk_true())
C.gtk_misc_set_alignment(asMisc(label), 0, 0.5)
C.gtk_notebook_append_page(asNotebook(pages), view.Widget, label)
// new view is requested
connect(view.View, "create", func() *C.GtkWidget {
return newView().Widget
})
// set tab label to page title
connect(view.View, "notify::title", func() {
var title string
// trim long title
for _, r := range fromGStr(C.webkit_web_view_get_title(view.View)) {
if len(title) > 32 {
break
}
title += string(r)
}
C.gtk_label_set_markup(asLabel(label), toGStr(fmt.Sprintf(`<span font="10">%s</span>`, title)))
})
return view
}
// first view
view := newView()
C.webkit_web_view_load_uri(view.View, toGStr("http://www.bilibili.tv"))
// show window and run
C.gtk_widget_show_all(win)
C.gtk_main()
}