func (l *label) commitResize(c *allocation, d *sizing) {
if !l.standalone && c.neighbor != nil {
c.neighbor.getAuxResizeInfo(d)
if d.shouldVAlignTop {
// don't bother aligning it to the first line of text in the control; this is harder than it's worth (thanks gregier in irc.gimp.net/#gtk+)
C.gtk_misc_set_alignment(l.misc, 0, 0)
} else {
C.gtk_misc_set_alignment(l.misc, 0, 0.5)
}
}
basecommitResize(l, c, d)
}
func gtk_label_new() *C.GtkWidget {
label := C.gtk_label_new(emptystring)
C.gtk_label_set_line_wrap(togtklabel(label), C.FALSE) // turn off line wrap
// don't call gtk_label_set_line_wrap_mode(); there's no "wrap none" value there anyway
C.gtk_label_set_ellipsize(togtklabel(label), C.PANGO_ELLIPSIZE_NONE) // turn off ellipsizing; this + line wrapping above will guarantee cutoff as documented
// there's a function gtk_label_set_justify() that indicates GTK_JUSTIFY_LEFT is the default
// but this actually is NOT the control justification, just the multi-line justification
// so we need to do THIS instead
// this will also valign to the top
// thanks to mclasen in irc.gimp.net/#gtk+
C.gtk_misc_set_alignment((*C.GtkMisc)(unsafe.Pointer(label)), 0, 0)
return label
}
func gtk_misc_set_alignment(widget *C.GtkWidget, x float64, y float64) {
C.gtk_misc_set_alignment((*C.GtkMisc)(unsafe.Pointer(widget)), C.gfloat(x), C.gfloat(y))
}
// SetAlignment is a wrapper around gtk_misc_set_alignment().
func (v *Misc) SetAlignment(xAlign, yAlign float32) {
C.gtk_misc_set_alignment(v.native(), C.gfloat(xAlign), C.gfloat(yAlign))
}
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()
}
func newStandaloneLabel(text string) Label {
l := finishNewLabel(text, true)
// standalone labels are always at the top left
C.gtk_misc_set_alignment(l.misc, 0, 0)
return l
}