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Introduce on_click handler in PaneGrid

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This commit is contained in:
Héctor Ramón Jiménez 2020-11-10 01:48:11 +01:00
parent 5681c83d3c
commit 8008ea5286
3 changed files with 42 additions and 14 deletions
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37
native/src/widget/pane_grid.rs
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@ -92,6 +92,7 @@ pub struct PaneGrid<'a, Message, Renderer: self::Renderer> {
width: Length,
height: Length,
spacing: u16,
on_click: Option<Box<dyn Fn(Pane) -> Message + 'a>>,
on_drag: Option<Box<dyn Fn(DragEvent) -> Message + 'a>>,
on_resize: Option<(u16, Box<dyn Fn(ResizeEvent) -> Message + 'a>)>,
}
@ -126,6 +127,7 @@ where
width: Length::Fill,
height: Length::Fill,
spacing: 0,
on_click: None,
on_drag: None,
on_resize: None,
}
@ -155,6 +157,19 @@ where
self
}
/// Sets the message that will be produced when a [`Pane`] of the
/// [`PaneGrid`] is clicked.
///
/// [`Pane`]: struct.Pane.html
/// [`PaneGrid`]: struct.PaneGrid.html
pub fn on_click<F>(mut self, f: F) -> Self
where
F: 'a + Fn(Pane) -> Message,
{
self.on_click = Some(Box::new(f));
self
}
/// Enables the drag and drop interactions of the [`PaneGrid`], which will
/// use the provided function to produce messages.
///
@ -203,21 +218,21 @@ where
);
if let Some(((pane, content), layout)) = clicked_region.next() {
match &self.on_drag {
Some(on_drag) => {
if content.can_be_picked_at(layout, cursor_position) {
let pane_position = layout.position();
if let Some(on_click) = &self.on_click {
messages.push(on_click(*pane));
}
let origin = cursor_position
- Vector::new(pane_position.x, pane_position.y);
if let Some(on_drag) = &self.on_drag {
if content.can_be_picked_at(layout, cursor_position) {
let pane_position = layout.position();
self.state.pick_pane(pane, origin);
let origin = cursor_position
- Vector::new(pane_position.x, pane_position.y);
messages
.push(on_drag(DragEvent::Picked { pane: *pane }));
}
self.state.pick_pane(pane, origin);
messages.push(on_drag(DragEvent::Picked { pane: *pane }));
}
None => {}
}
}
}