func main() {
gtk.Init(nil)
window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
window.SetPosition(gtk.WIN_POS_CENTER)
window.SetTitle("GTK Go!")
window.SetIconName("textview")
window.Connect("destroy", gtk.MainQuit)
textview := gtk.NewTextView()
textview.SetEditable(true)
textview.SetCursorVisible(true)
var iter gtk.TextIter
buffer := textview.GetBuffer()
buffer.GetStartIter(&iter)
buffer.Insert(&iter, "Hello ")
tag := buffer.CreateTag("bold", map[string]string{"background": "#FF0000", "weight": "700"})
buffer.InsertWithTag(&iter, "Google!", tag)
u := "http://www.google.com"
tag.SetData("tag-name", unsafe.Pointer(&u))
textview.Connect("event-after", func(ctx *glib.CallbackContext) {
arg := ctx.Args(0)
if ev := *(**gdk.EventAny)(unsafe.Pointer(&arg)); ev.Type != gdk.BUTTON_RELEASE {
return
}
ev := *(**gdk.EventButton)(unsafe.Pointer(&arg))
var iter gtk.TextIter
textview.GetIterAtLocation(&iter, int(ev.X), int(ev.Y))
tags := iter.GetTags()
for n := uint(0); n < tags.Length(); n++ {
vv := tags.NthData(n)
tag := gtk.NewTextTagFromPointer(vv)
u := *(*string)(tag.GetData("tag-name"))
fmt.Println(u)
}
})
window.Add(textview)
window.SetSizeRequest(600, 600)
window.ShowAll()
gtk.Main()
}
