mirror of
https://github.com/FliegendeWurst/cursive.git
synced 2024-11-23 17:35:00 +00:00
Add mouse support to Slider
This commit is contained in:
parent
5f3e4b1842
commit
ef0909d41e
@ -1,7 +1,7 @@
|
||||
use {Cursive, Printer};
|
||||
use With;
|
||||
use direction::{Direction, Orientation};
|
||||
use event::{Callback, Event, EventResult, Key};
|
||||
use event::{Callback, Event, EventResult, Key, MouseButton, MouseEvent};
|
||||
use std::rc::Rc;
|
||||
use theme::ColorStyle;
|
||||
use vec::Vec2;
|
||||
@ -14,6 +14,7 @@ pub struct SliderView {
|
||||
on_enter: Option<Rc<Fn(&mut Cursive, usize)>>,
|
||||
value: usize,
|
||||
max_value: usize,
|
||||
dragging: bool,
|
||||
}
|
||||
|
||||
impl SliderView {
|
||||
@ -28,6 +29,7 @@ impl SliderView {
|
||||
max_value: max_value,
|
||||
on_change: None,
|
||||
on_enter: None,
|
||||
dragging: false,
|
||||
}
|
||||
}
|
||||
|
||||
@ -103,6 +105,10 @@ impl SliderView {
|
||||
EventResult::Ignored
|
||||
}
|
||||
}
|
||||
|
||||
fn req_size(&self) -> Vec2 {
|
||||
self.orientation.make_vec(self.max_value, 1)
|
||||
}
|
||||
}
|
||||
|
||||
impl View for SliderView {
|
||||
@ -127,7 +133,7 @@ impl View for SliderView {
|
||||
}
|
||||
|
||||
fn required_size(&mut self, _: Vec2) -> Vec2 {
|
||||
self.orientation.make_vec(self.max_value, 1)
|
||||
self.req_size()
|
||||
}
|
||||
|
||||
fn on_event(&mut self, event: Event) -> EventResult {
|
||||
@ -159,6 +165,41 @@ impl View for SliderView {
|
||||
cb(s, value);
|
||||
})
|
||||
}
|
||||
Event::Mouse {
|
||||
event: MouseEvent::Hold(MouseButton::Left),
|
||||
position,
|
||||
offset,
|
||||
} if self.dragging =>
|
||||
{
|
||||
let position = position.saturating_sub(offset);
|
||||
let position = self.orientation.get(&position);
|
||||
let position = ::std::cmp::min(
|
||||
position,
|
||||
self.max_value.saturating_sub(1),
|
||||
);
|
||||
self.value = position;
|
||||
self.get_change_result()
|
||||
}
|
||||
Event::Mouse {
|
||||
event: MouseEvent::Press(MouseButton::Left),
|
||||
position,
|
||||
offset,
|
||||
} if position.fits_in_rect(offset, self.req_size()) =>
|
||||
{
|
||||
position.checked_sub(offset).map(|position| {
|
||||
self.dragging = true;
|
||||
self.value = self.orientation.get(&position);
|
||||
});
|
||||
self.get_change_result()
|
||||
}
|
||||
Event::Mouse {
|
||||
event: MouseEvent::Release(MouseButton::Left),
|
||||
position: _,
|
||||
offset: _,
|
||||
} => {
|
||||
self.dragging = false;
|
||||
EventResult::Ignored
|
||||
}
|
||||
_ => EventResult::Ignored,
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user