Fix dialog focus

This commit is contained in:
Alexandre Bury 2021-02-08 11:53:52 -08:00
parent 6543287704
commit f06bc2e1cd

View File

@ -230,6 +230,7 @@ impl Dialog {
pub fn clear_buttons(&mut self) { pub fn clear_buttons(&mut self) {
self.buttons.clear(); self.buttons.clear();
self.invalidate(); self.invalidate();
// Fix focus?
} }
/// Removes a button from this dialog. /// Removes a button from this dialog.
@ -240,6 +241,7 @@ impl Dialog {
pub fn remove_button(&mut self, i: usize) { pub fn remove_button(&mut self, i: usize) {
self.buttons.remove(i); self.buttons.remove(i);
self.invalidate(); self.invalidate();
// Fix focus?
} }
/// Sets the horizontal alignment for the buttons, if any. /// Sets the horizontal alignment for the buttons, if any.
@ -439,9 +441,9 @@ impl Dialog {
DialogFocus::Content DialogFocus::Content
} }
DialogFocus::Button(c) => { DialogFocus::Button(c) => {
DialogFocus::Button(min(c, self.buttons.len())) DialogFocus::Button(min(c, self.buttons.len() - 1))
}
} }
};
} }
// Private methods // Private methods
@ -778,8 +780,26 @@ impl View for Dialog {
// TODO: This may depend on button position relative to the content? // TODO: This may depend on button position relative to the content?
// //
match source { match source {
Direction::Abs(Absolute::None) Direction::Abs(Absolute::None) => {
| Direction::Rel(Relative::Front) // Only reject focus if no buttons and no focus-taking content.
// Also fix focus if we're focusing the wrong thing.
match (
self.focus,
self.content.take_focus(source),
!self.buttons.is_empty(),
) {
(DialogFocus::Content, false, true) => {
self.focus = DialogFocus::Button(0);
true
}
(DialogFocus::Button(_), true, false) => {
self.focus = DialogFocus::Content;
true
}
(_, content, buttons) => content || buttons,
}
}
Direction::Rel(Relative::Front)
| Direction::Abs(Absolute::Left) | Direction::Abs(Absolute::Left)
| Direction::Abs(Absolute::Up) => { | Direction::Abs(Absolute::Up) => {
// Forward focus: content, then buttons // Forward focus: content, then buttons