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//! Pointer hit-testing against a window's titlebar/border/content.
//! Split out of the original single `manager.rs` - see `super` (`mod.rs`) for
//! `WindowManager`'s field definitions; everything here is plain `impl WindowManager`
//! methods, unchanged from before the split.
use super::*;
impl WindowManager {
// ---- Hit testing ------------------------------------------------------
/// Topmost window whose frame contains `(x, y)`, along with what part of
/// its titlebar/border was hit (button, drag area, resize edge).
pub fn hit_test(&self, x: i32, y: i32) -> Option<(WindowId, TitlebarHit)> {
for w in self.order.iter().rev().filter_map(|id| self.windows.get(id)) {
if w.minimized {
continue;
}
if let Some(hit) = ResizeEdge::hit_test(w.geometry, x, y, w.decorated, w.border_width, self.resize_margin) {
return Some((w.id, hit));
}
}
None
}
/// Topmost non-minimised window containing a point, ignoring
/// decorations. Used for modifier+drag, where the grab applies anywhere
/// in the window rather than only on the titlebar (`hit_test`).
pub fn window_at(&self, x: i32, y: i32) -> Option<WindowId> {
self.order
.iter()
.rev()
.filter_map(|id| self.windows.get(id))
.find(|w| !w.minimized && w.geometry.contains_point(x, y))
.map(|w| w.id)
}
/// The corner of `id` nearest a point, for modifier+right-drag resize:
/// grabbing the closest corner is what makes the gesture feel like it
/// pulls the edge you aimed at (matching Hyprland's `resizewindow`).
pub fn nearest_corner(&self, id: WindowId, x: i32, y: i32) -> ResizeEdge {
let Some(w) = self.windows.get(&id) else { return ResizeEdge::BottomRight };
let (cx, cy) = w.geometry.center();
match (x < cx, y < cy) {
(true, true) => ResizeEdge::TopLeft,
(false, true) => ResizeEdge::TopRight,
(true, false) => ResizeEdge::BottomLeft,
(false, false) => ResizeEdge::BottomRight,
}
}
}
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