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
76
use EventController;
use Gesture;
use GestureSingle;
use Widget;
use ffi;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect_raw;
use glib::translate::*;
use glib_ffi;
use libc;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;
glib_wrapper! {
pub struct GestureSwipe(Object<ffi::GtkGestureSwipe, ffi::GtkGestureSwipeClass, GestureSwipeClass>) @extends GestureSingle, Gesture, EventController;
match fn {
get_type => || ffi::gtk_gesture_swipe_get_type(),
}
}
impl GestureSwipe {
pub fn new<P: IsA<Widget>>(widget: &P) -> GestureSwipe {
skip_assert_initialized!();
unsafe {
Gesture::from_glib_full(ffi::gtk_gesture_swipe_new(widget.as_ref().to_glib_none().0)).unsafe_cast()
}
}
}
pub const NONE_GESTURE_SWIPE: Option<&GestureSwipe> = None;
pub trait GestureSwipeExt: 'static {
fn get_velocity(&self) -> Option<(f64, f64)>;
fn connect_swipe<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<GestureSwipe>> GestureSwipeExt for O {
fn get_velocity(&self) -> Option<(f64, f64)> {
unsafe {
let mut velocity_x = mem::uninitialized();
let mut velocity_y = mem::uninitialized();
let ret = from_glib(ffi::gtk_gesture_swipe_get_velocity(self.as_ref().to_glib_none().0, &mut velocity_x, &mut velocity_y));
if ret { Some((velocity_x, velocity_y)) } else { None }
}
}
fn connect_swipe<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(self.as_ptr() as *mut _, b"swipe\0".as_ptr() as *const _,
Some(transmute(swipe_trampoline::<Self, F> as usize)), Box_::into_raw(f))
}
}
}
unsafe extern "C" fn swipe_trampoline<P, F: Fn(&P, f64, f64) + 'static>(this: *mut ffi::GtkGestureSwipe, velocity_x: libc::c_double, velocity_y: libc::c_double, f: glib_ffi::gpointer)
where P: IsA<GestureSwipe> {
let f: &F = transmute(f);
f(&GestureSwipe::from_glib_borrow(this).unsafe_cast(), velocity_x, velocity_y)
}
impl fmt::Display for GestureSwipe {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "GestureSwipe")
}
}