DrawOffset

alert.go

@@ -39,7 +39,7 @@ type Alert struct {
 	visible  bool
 	tabbable bool
 
-	layout           *AbsoluteLayout
+	layout           *LinearLayout
 	title            string
 	message          *Text
 	btnOk, btnCancel *Button
@@ -59,19 +59,25 @@ func (w *Alert) Init(id string, style tcell.Style) {
 	w.id = id
 	w.style = style
 
-	w.layout = NewAbsoluteLayout("alertlayout", tcell.StyleDefault)
+	w.layout = NewLinearLayout("alertlayout", tcell.StyleDefault)
 
 	w.message = NewText(fmt.Sprintf("%s-text", id), style)
-	w.layout.AddAnchored(w.message, Coord{X: 0, Y: 0}, AnchorC)
+	w.layout.Add(w.message)
+
+	btnLayout := NewLinearLayout("alertbtn-layout", tcell.StyleDefault)
+	btnLayout.SetOrientation(LinLayH)
+
+	w.btnCancel = NewButton(fmt.Sprintf("%s-cancel", id), style)
+	w.btnCancel.SetLabel("Cancel")
+	w.layout.Add(w.btnCancel)
+	btnLayout.Add(w.btnCancel)
 
 	w.btnOk = NewButton(fmt.Sprintf("%s-select", id), style)
 	w.btnOk.SetLabel("Ok")
 	w.btnOk.SetActive(true)
-	w.layout.AddAnchored(w.btnOk, Coord{X: -2, Y: 0}, AnchorBR)
+	btnLayout.Add(w.btnOk)
 
-	w.btnCancel = NewButton(fmt.Sprintf("%s-cancel", id), style)
-	w.btnCancel.SetLabel("Cancel")
-	w.layout.AddAnchored(w.btnCancel, Coord{X: 2, Y: 0}, AnchorBL)
+	w.layout.Add(btnLayout)
 
 	w.keyMap = NewKeyMap(map[tcell.Key]func(ev *tcell.EventKey) bool{
 		tcell.KeyTab:   w.SelectNext,
@@ -130,11 +136,16 @@ func (w *Alert) Draw(screen tcell.Screen) {
 	}
 
 	wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, wh.BRD_SIMPLE, w.style, screen)
-	w.layout.Draw(screen)
-	// w.message.Draw(screen)
-	// w.btnOk.Draw(screen)
-	// w.btnCancel.Draw(screen)
+	w.layout.DrawOffset(w.GetPos(), screen)
 }
+
+func (w *Alert) DrawOffset(c Coord, screen tcell.Screen) {
+	p := w.GetPos()
+	w.SetPos(p.Add(c))
+	w.Draw(screen)
+	w.SetPos(p)
+}
+
 func (w *Alert) Active() bool       { return w.active }
 func (w *Alert) SetActive(a bool)   { w.active = a }
 func (w *Alert) Visible() bool      { return w.visible }