Ensure we ask for focus right away when tap/click

Fixes #139

Author: andydotxyz

term.go

@@ -135,6 +135,8 @@ func (t *Terminal) MinSize() fyne.Size {
 
 // MouseDown handles the down action for desktop mouse events.
 func (t *Terminal) MouseDown(ev *desktop.MouseEvent) {
+	fyne.CurrentApp().Driver().CanvasForObject(t).Focus(t)
+
 	if t.hasSelectedText() {
 		t.clearSelectedText()
 	}
@@ -295,6 +297,8 @@ func (t *Terminal) TouchCancel(ev *mobile.TouchEvent) {
 
 // TouchDown handles the down action for mobile touch events.
 func (t *Terminal) TouchDown(ev *mobile.TouchEvent) {
+	fyne.CurrentApp().Driver().CanvasForObject(t).Focus(t)
+
 	if t.onMouseDown != nil {
 		t.onMouseDown(1, 0, ev.Position)
 	}