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app,io/key: introduce keys for directional navigation

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This change adds key.NameUp/Down/Left/Right and maps the Android TV
remote directional keys to them. As a side-effect a key.InputOp can
now receive directional keys (and block their focus movement).

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2022-04-14 17:26:57 +02:00
parent d37197f45b
commit ad7c1eb78d
3 changed files with 23 additions and 19 deletions
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app/window.go
+8 -4
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@@ -506,10 +506,6 @@ func (c *callbacks) SetEditorSnippet(r key.Range) {
c.Event(key.SnippetEvent(r))
}
func (c *callbacks) MoveFocus(dir router.FocusDirection) {
c.w.moveFocus(dir, c.d)
}
func (w *Window) moveFocus(dir router.FocusDirection, d driver) {
if w.queue.q.MoveFocus(dir) {
w.queue.q.RevealFocus(w.viewport)
@@ -851,6 +847,14 @@ func (w *Window) processEvent(d driver, e event.Event) {
w.moveFocus(router.FocusForward, d)
case e.Name == key.NameTab && e.Modifiers == key.ModShift:
w.moveFocus(router.FocusBackward, d)
case e.Name == key.NameUp && e.Modifiers == 0:
w.moveFocus(router.FocusUp, d)
case e.Name == key.NameDown && e.Modifiers == 0:
w.moveFocus(router.FocusDown, d)
case e.Name == key.NameLeft && e.Modifiers == 0:
w.moveFocus(router.FocusLeft, d)
case e.Name == key.NameRight && e.Modifiers == 0:
w.moveFocus(router.FocusRight, d)
}
}
w.updateCursor(d)