gdk/
event_scroll.rs

1// Copyright 2016, The Gtk-rs Project Developers.
2// See the COPYRIGHT file at the top-level directory of this distribution.
3// Licensed under the MIT license, see the LICENSE file or <http://opensource.org/licenses/MIT>
4
5use gdk_sys;
6use glib::translate::*;
7
8#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
9pub struct EventScroll(::Event);
10
11event_wrapper!(EventScroll, GdkEventScroll);
12event_subtype!(EventScroll, gdk_sys::GDK_SCROLL);
13
14impl EventScroll {
15    pub fn get_time(&self) -> u32 {
16        self.as_ref().time
17    }
18
19    pub fn get_position(&self) -> (f64, f64) {
20        let x = self.as_ref().x;
21        let y = self.as_ref().y;
22        (x, y)
23    }
24
25    pub fn get_state(&self) -> ::ModifierType {
26        from_glib(self.as_ref().state)
27    }
28
29    pub fn get_device(&self) -> Option<::Device> {
30        unsafe { from_glib_none(self.as_ref().device) }
31    }
32
33    pub fn get_direction(&self) -> ::ScrollDirection {
34        from_glib(self.as_ref().direction)
35    }
36
37    pub fn get_root(&self) -> (f64, f64) {
38        let x_root = self.as_ref().x_root;
39        let y_root = self.as_ref().y_root;
40        (x_root, y_root)
41    }
42
43    pub fn get_delta(&self) -> (f64, f64) {
44        let dx = self.as_ref().delta_x;
45        let dy = self.as_ref().delta_y;
46        (dx, dy)
47    }
48
49    pub fn get_is_stop(&self) -> bool {
50        self.as_ref().is_stop & 1 != 0
51    }
52}