78 lines
2.4 KiB
Rust
78 lines
2.4 KiB
Rust
use crate::{Primitive, Renderer};
|
|
use iced_native::{
|
|
pane_grid::{self, Pane},
|
|
Element, Layout, MouseCursor, Point, Rectangle, Vector,
|
|
};
|
|
|
|
impl pane_grid::Renderer for Renderer {
|
|
fn draw<Message>(
|
|
&mut self,
|
|
defaults: &Self::Defaults,
|
|
content: &[(Pane, Element<'_, Message, Self>)],
|
|
dragging: Option<Pane>,
|
|
layout: Layout<'_>,
|
|
cursor_position: Point,
|
|
) -> Self::Output {
|
|
let mut mouse_cursor = MouseCursor::OutOfBounds;
|
|
let mut dragged_pane = None;
|
|
|
|
let mut panes: Vec<_> = content
|
|
.iter()
|
|
.zip(layout.children())
|
|
.enumerate()
|
|
.map(|(i, ((id, pane), layout))| {
|
|
let (primitive, new_mouse_cursor) =
|
|
pane.draw(self, defaults, layout, cursor_position);
|
|
|
|
if new_mouse_cursor > mouse_cursor {
|
|
mouse_cursor = new_mouse_cursor;
|
|
}
|
|
|
|
if Some(*id) == dragging {
|
|
dragged_pane = Some((i, layout));
|
|
}
|
|
|
|
primitive
|
|
})
|
|
.collect();
|
|
|
|
let primitives = if let Some((index, layout)) = dragged_pane {
|
|
let pane = panes.remove(index);
|
|
let bounds = layout.bounds();
|
|
|
|
// TODO: Fix once proper layering is implemented.
|
|
// This is a pretty hacky way to achieve layering.
|
|
let clip = Primitive::Clip {
|
|
bounds: Rectangle {
|
|
x: cursor_position.x - bounds.width / 2.0,
|
|
y: cursor_position.y - bounds.height / 2.0,
|
|
width: bounds.width + 0.5,
|
|
height: bounds.height + 0.5,
|
|
},
|
|
offset: Vector::new(0, 0),
|
|
content: Box::new(Primitive::Cached {
|
|
origin: Point::new(
|
|
cursor_position.x - bounds.x - bounds.width / 2.0,
|
|
cursor_position.y - bounds.y - bounds.height / 2.0,
|
|
),
|
|
cache: std::sync::Arc::new(pane),
|
|
}),
|
|
};
|
|
|
|
panes.push(clip);
|
|
|
|
panes
|
|
} else {
|
|
panes
|
|
};
|
|
|
|
(
|
|
Primitive::Group { primitives },
|
|
if dragging.is_some() {
|
|
MouseCursor::Grabbing
|
|
} else {
|
|
mouse_cursor
|
|
},
|
|
)
|
|
}
|
|
}
|