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Add on_open handler to combo_box widget

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Co-authored-by: Wail Abou <abou.w@hotmail.com>
This commit is contained in:
Héctor Ramón Jiménez 2024-09-13 16:38:38 +02:00
parent 2e3082d665
commit 9d9ac0ff35
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GPG key ID: 7CC46565708259A7
1 changed files with 20 additions and 7 deletions
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27
widget/src/combo_box.rs
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@ -41,6 +41,7 @@ pub struct ComboBox<
selection: text_input::Value,
on_selected: Box<dyn Fn(T) -> Message>,
on_option_hovered: Option<Box<dyn Fn(T) -> Message>>,
on_open: Option<Message>,
on_close: Option<Message>,
on_input: Option<Box<dyn Fn(String) -> Message>>,
menu_class: <Theme as menu::Catalog>::Class<'a>,
@ -77,6 +78,7 @@ where
on_selected: Box::new(on_selected),
on_option_hovered: None,
on_input: None,
on_open: None,
on_close: None,
menu_class: <Theme as Catalog>::default_menu(),
padding: text_input::DEFAULT_PADDING,
@ -104,6 +106,13 @@ where
self
}
/// Sets the message that will be produced when the [`ComboBox`] is
/// opened.
pub fn on_open(mut self, message: Message) -> Self {
self.on_open = Some(message);
self
}
/// Sets the message that will be produced when the outside area
/// of the [`ComboBox`] is pressed.
pub fn on_close(mut self, message: Message) -> Self {
@ -632,15 +641,19 @@ where
text_input_state.is_focused()
};
if started_focused && !is_focused && !published_message_to_shell {
if let Some(message) = self.on_close.take() {
shell.publish(message);
}
}
// Focus changed, invalidate widget tree to force a fresh `view`
if started_focused != is_focused {
// Focus changed, invalidate widget tree to force a fresh `view`
shell.invalidate_widgets();
if !published_message_to_shell {
if is_focused {
if let Some(on_open) = self.on_open.take() {
shell.publish(on_open);
}
} else if let Some(on_close) = self.on_close.take() {
shell.publish(on_close);
}
}
}
event_status