1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
use crate::Smallvil;
use smithay::{
desktop::Window,
input::pointer::{
AxisFrame, ButtonEvent, GrabStartData as PointerGrabStartData, MotionEvent, PointerGrab,
PointerInnerHandle, RelativeMotionEvent,
},
reexports::wayland_server::protocol::wl_surface::WlSurface,
utils::{Logical, Point},
};
pub struct MoveSurfaceGrab {
pub start_data: PointerGrabStartData<Smallvil>,
pub window: Window,
pub initial_window_location: Point<i32, Logical>,
}
impl PointerGrab<Smallvil> for MoveSurfaceGrab {
fn motion(
&mut self,
data: &mut Smallvil,
handle: &mut PointerInnerHandle<'_, Smallvil>,
_focus: Option<(WlSurface, Point<i32, Logical>)>,
event: &MotionEvent,
) {
// While the grab is active, no client has pointer focus
handle.motion(data, None, event);
let delta = event.location - self.start_data.location;
let new_location = self.initial_window_location.to_f64() + delta;
data.space
.map_element(self.window.clone(), new_location.to_i32_round(), true);
}
fn relative_motion(
&mut self,
data: &mut Smallvil,
handle: &mut PointerInnerHandle<'_, Smallvil>,
focus: Option<(WlSurface, Point<i32, Logical>)>,
event: &RelativeMotionEvent,
) {
handle.relative_motion(data, focus, event);
}
fn button(
&mut self,
data: &mut Smallvil,
handle: &mut PointerInnerHandle<'_, Smallvil>,
event: &ButtonEvent,
) {
handle.button(data, event);
// The button is a button code as defined in the
// Linux kernel's linux/input-event-codes.h header file, e.g. BTN_LEFT.
const BTN_LEFT: u32 = 0x110;
if !handle.current_pressed().contains(&BTN_LEFT) {
// No more buttons are pressed, release the grab.
handle.unset_grab(data, event.serial, event.time);
}
}
fn axis(
&mut self,
data: &mut Smallvil,
handle: &mut PointerInnerHandle<'_, Smallvil>,
details: AxisFrame,
) {
handle.axis(data, details)
}
fn start_data(&self) -> &PointerGrabStartData<Smallvil> {
&self.start_data
}
}
|
