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Trigger PaneGrid resize on click

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This commit is contained in:
Héctor Ramón Jiménez 2020-03-14 08:16:07 +01:00
parent f08cb4ad56
commit eb5e2251bd
1 changed files with 47 additions and 35 deletions
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82
native/src/widget/pane_grid.rs
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@ -111,6 +111,47 @@ impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
self.on_resize = Some(Box::new(f));
self
}
fn trigger_resize(
&mut self,
layout: Layout<'_>,
cursor_position: Point,
messages: &mut Vec<Message>,
) {
if let Some(on_resize) = &self.on_resize {
if let Some((split, _)) = self.state.picked_split() {
let bounds = layout.bounds();
let splits = self.state.splits(
f32::from(self.spacing),
Size::new(bounds.width, bounds.height),
);
if let Some((axis, rectangle, _)) = splits.get(&split) {
let ratio = match axis {
Axis::Horizontal => {
let position =
cursor_position.x - bounds.x + rectangle.x;
(position / (rectangle.x + rectangle.width))
.max(0.1)
.min(0.9)
}
Axis::Vertical => {
let position =
cursor_position.y - bounds.y + rectangle.y;
(position / (rectangle.y + rectangle.height))
.max(0.1)
.min(0.9)
}
};
messages.push(on_resize(ResizeEvent { split, ratio }));
}
}
}
}
}
#[derive(Debug, Clone, Copy)]
@ -280,6 +321,11 @@ where
sorted_splits.first()
{
self.state.pick_split(split, *axis);
self.trigger_resize(
layout,
cursor_position,
messages,
);
}
}
ButtonState::Released => {
@ -288,41 +334,7 @@ where
}
}
Event::Mouse(mouse::Event::CursorMoved { .. }) => {
if let Some(on_resize) = &self.on_resize {
if let Some((split, _)) = self.state.picked_split() {
let bounds = layout.bounds();
let splits = self.state.splits(
f32::from(self.spacing),
Size::new(bounds.width, bounds.height),
);
if let Some((axis, rectangle, _)) = splits.get(&split) {
let ratio = match axis {
Axis::Horizontal => {
let position = cursor_position.x - bounds.x
+ rectangle.x;
(position / (rectangle.x + rectangle.width))
.max(0.1)
.min(0.9)
}
Axis::Vertical => {
let position = cursor_position.y - bounds.y
+ rectangle.y;
(position
/ (rectangle.y + rectangle.height))
.max(0.1)
.min(0.9)
}
};
messages
.push(on_resize(ResizeEvent { split, ratio }));
}
}
}
self.trigger_resize(layout, cursor_position, messages);
}
Event::Keyboard(keyboard::Event::Input { modifiers, .. }) => {
*self.modifiers = modifiers;