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use smithay::backend::input::ButtonState;
use smithay::desktop::Window;
use smithay::input::pointer::{
AxisFrame, ButtonEvent, CursorIcon, CursorImageStatus, GestureHoldBeginEvent,
GestureHoldEndEvent, GesturePinchBeginEvent, GesturePinchEndEvent, GesturePinchUpdateEvent,
GestureSwipeBeginEvent, GestureSwipeEndEvent, GestureSwipeUpdateEvent,
GrabStartData as PointerGrabStartData, MotionEvent, PointerGrab, PointerInnerHandle,
RelativeMotionEvent,
};
use smithay::input::SeatHandler;
use smithay::utils::{IsAlive, Logical, Point};
use crate::niri::State;
pub struct MoveGrab {
start_data: PointerGrabStartData<State>,
last_location: Point<f64, Logical>,
window: Window,
gesture: GestureState,
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum GestureState {
Recognizing,
Move,
}
impl MoveGrab {
pub fn new(
start_data: PointerGrabStartData<State>,
window: Window,
use_threshold: bool,
) -> Self {
let gesture = if use_threshold {
GestureState::Recognizing
} else {
GestureState::Move
};
Self {
last_location: start_data.location,
start_data,
window,
gesture,
}
}
fn on_ungrab(&mut self, state: &mut State) {
state.niri.layout.interactive_move_end(&self.window);
// FIXME: only redraw the window output.
state.niri.queue_redraw_all();
state
.niri
.cursor_manager
.set_cursor_image(CursorImageStatus::default_named());
}
}
impl PointerGrab<State> for MoveGrab {
fn motion(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
_focus: Option<(<State as SeatHandler>::PointerFocus, Point<f64, Logical>)>,
event: &MotionEvent,
) {
// While the grab is active, no client has pointer focus.
handle.motion(data, None, event);
if self.window.alive() {
if let Some((output, pos_within_output)) = data.niri.output_under(event.location) {
let output = output.clone();
let event_delta = event.location - self.last_location;
self.last_location = event.location;
if self.gesture == GestureState::Recognizing {
let c = event.location - self.start_data.location;
// Check if the gesture moved far enough to decide.
if c.x * c.x + c.y * c.y >= 8. * 8. {
self.gesture = GestureState::Move;
data.niri
.cursor_manager
.set_cursor_image(CursorImageStatus::Named(CursorIcon::Move));
}
}
if self.gesture != GestureState::Move {
return;
}
let ongoing = data.niri.layout.interactive_move_update(
&self.window,
event_delta,
output,
pos_within_output,
);
if ongoing {
// FIXME: only redraw the previous and the new output.
data.niri.queue_redraw_all();
return;
}
} else {
return;
}
}
// The move is no longer ongoing.
handle.unset_grab(self, data, event.serial, event.time, true);
}
fn relative_motion(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
_focus: Option<(<State as SeatHandler>::PointerFocus, Point<f64, Logical>)>,
event: &RelativeMotionEvent,
) {
// While the grab is active, no client has pointer focus.
handle.relative_motion(data, None, event);
}
fn button(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &ButtonEvent,
) {
handle.button(data, event);
// When moving with the left button, right toggles floating, and vice versa.
let toggle_floating_button = if self.start_data.button == 0x110 {
0x111
} else {
0x110
};
if event.button == toggle_floating_button && event.state == ButtonState::Pressed {
data.niri.layout.toggle_window_floating(Some(&self.window));
}
if !handle.current_pressed().contains(&self.start_data.button) {
// The button that initiated the grab was released.
handle.unset_grab(self, data, event.serial, event.time, true);
}
}
fn axis(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
details: AxisFrame,
) {
handle.axis(data, details);
}
fn frame(&mut self, data: &mut State, handle: &mut PointerInnerHandle<'_, State>) {
handle.frame(data);
}
fn gesture_swipe_begin(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GestureSwipeBeginEvent,
) {
handle.gesture_swipe_begin(data, event);
}
fn gesture_swipe_update(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GestureSwipeUpdateEvent,
) {
handle.gesture_swipe_update(data, event);
}
fn gesture_swipe_end(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GestureSwipeEndEvent,
) {
handle.gesture_swipe_end(data, event);
}
fn gesture_pinch_begin(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GesturePinchBeginEvent,
) {
handle.gesture_pinch_begin(data, event);
}
fn gesture_pinch_update(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GesturePinchUpdateEvent,
) {
handle.gesture_pinch_update(data, event);
}
fn gesture_pinch_end(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GesturePinchEndEvent,
) {
handle.gesture_pinch_end(data, event);
}
fn gesture_hold_begin(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GestureHoldBeginEvent,
) {
handle.gesture_hold_begin(data, event);
}
fn gesture_hold_end(
&mut self,
data: &mut State,
handle: &mut PointerInnerHandle<'_, State>,
event: &GestureHoldEndEvent,
) {
handle.gesture_hold_end(data, event);
}
fn start_data(&self) -> &PointerGrabStartData<State> {
&self.start_data
}
fn unset(&mut self, data: &mut State) {
self.on_ungrab(data);
}
}
|
