71 lines
2.1 KiB
Rust
71 lines
2.1 KiB
Rust
// SPDX-License-Identifier: GPL-3.0-only
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use crate::{shell::layout::Orientation, utils::prelude::*};
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use atomic_float::AtomicF64;
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use smithay::{
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reexports::wayland_server::DisplayHandle,
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utils::{Logical, Size},
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wayland::seat::{
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AxisFrame, ButtonEvent, MotionEvent, PointerGrab, PointerGrabStartData, PointerInnerHandle,
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},
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};
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use std::sync::{atomic::Ordering, Arc};
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pub struct ResizeForkGrab {
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pub start_data: PointerGrabStartData,
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pub orientation: Orientation,
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pub initial_size: Size<i32, Logical>,
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pub initial_ratio: f64,
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pub ratio: Arc<AtomicF64>,
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}
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impl PointerGrab<State> for ResizeForkGrab {
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fn motion(
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&mut self,
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_data: &mut State,
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_dh: &DisplayHandle,
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handle: &mut PointerInnerHandle<'_, State>,
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event: &MotionEvent,
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) {
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// While the grab is active, no client has pointer focus
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handle.motion(event.location, None, event.serial, event.time);
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let delta = event.location - self.start_data.location;
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let delta = match self.orientation {
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Orientation::Vertical => delta.x / self.initial_size.w as f64,
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Orientation::Horizontal => delta.y / self.initial_size.h as f64,
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};
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self.ratio.store(
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0.9f64.min(0.1f64.max(self.initial_ratio + delta)),
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Ordering::SeqCst,
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);
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}
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fn button(
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&mut self,
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_data: &mut State,
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_dh: &DisplayHandle,
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handle: &mut PointerInnerHandle<'_, State>,
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event: &ButtonEvent,
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) {
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handle.button(event.button, event.state, event.serial, event.time);
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if handle.current_pressed().is_empty() {
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// No more buttons are pressed, release the grab.
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handle.unset_grab(event.serial, event.time);
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}
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}
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fn axis(
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&mut self,
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_data: &mut State,
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_dh: &DisplayHandle,
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handle: &mut PointerInnerHandle<'_, State>,
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details: AxisFrame,
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) {
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handle.axis(details)
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}
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fn start_data(&self) -> &PointerGrabStartData {
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&self.start_data
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}
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}
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