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