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all: implement hardware cursors

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This commit is contained in:
Julian Orth 2022-06-01 21:46:31 +02:00
parent 6cc97ee56e
commit 3b8935cf55
23 changed files with 614 additions and 91 deletions
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37
src/ifs/wl_surface/cursor.rs
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@ -31,10 +31,12 @@ impl CursorSurface {
}
fn update_extents(&self) {
let extents = self.extents.get();
let (hot_x, hot_y) = self.hotspot.get();
self.extents
.set(Rect::new_sized(-hot_x, -hot_y, extents.width(), extents.height()).unwrap());
.set(self.surface.extents.get().move_(-hot_x, -hot_y));
if self.seat.hardware_cursor() {
self.seat.update_hardware_cursor();
}
}
pub fn handle_surface_destroy(&self) {
@ -42,9 +44,6 @@ impl CursorSurface {
}
pub fn handle_buffer_change(&self) {
let (width, height) = self.surface.buffer_abs_pos.get().size();
self.extents
.set(Rect::new_sized(0, 0, width, height).unwrap());
self.update_extents();
}
@ -62,22 +61,44 @@ impl CursorSurface {
impl Cursor for CursorSurface {
fn render(&self, renderer: &mut Renderer, x: Fixed, y: Fixed) {
let extents = self.extents.get().move_(x.round_down(), y.round_down());
let x_int = x.round_down();
let y_int = y.round_down();
let extents = self.extents.get().move_(x_int, y_int);
if extents.intersects(&renderer.logical_extents()) {
let (hot_x, hot_y) = self.hotspot.get();
let scale = renderer.scale();
if scale != 1 {
let scale = scale.to_f64();
let (hot_x, hot_y) = self.hotspot.get();
let (hot_x, hot_y) = (Fixed::from_int(hot_x), Fixed::from_int(hot_y));
let x = ((x - hot_x).to_f64() * scale).round() as _;
let y = ((y - hot_y).to_f64() * scale).round() as _;
renderer.render_surface_scaled(&self.surface, x, y, None);
} else {
renderer.render_surface(&self.surface, extents.x1(), extents.y1());
renderer.render_surface(&self.surface, x_int - hot_x, y_int - hot_y);
}
}
}
fn render_hardware_cursor(&self, renderer: &mut Renderer) {
let extents = self.surface.extents.get();
renderer.render_surface(&self.surface, -extents.x1(), -extents.y1());
}
fn extents_at_scale(&self, scale: Fixed) -> Rect {
let rect = self.extents.get();
if scale == 1 {
return rect;
}
let scale = scale.to_f64();
Rect::new(
(rect.x1() as f64 * scale).ceil() as _,
(rect.y1() as f64 * scale).ceil() as _,
(rect.x2() as f64 * scale).ceil() as _,
(rect.y2() as f64 * scale).ceil() as _,
)
.unwrap()
}
fn set_output(&self, output: &Rc<OutputNode>) {
self.surface.set_output(output);
}