gtk/auto/
gesture_drag.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use gdk;
6use glib::object::Cast;
7use glib::object::IsA;
8use glib::signal::connect_raw;
9use glib::signal::SignalHandlerId;
10use glib::translate::*;
11use glib::StaticType;
12use glib::ToValue;
13use glib_sys;
14use gtk_sys;
15use libc;
16use std::boxed::Box as Box_;
17use std::fmt;
18use std::mem;
19use std::mem::transmute;
20use EventController;
21use Gesture;
22use GestureSingle;
23use PropagationPhase;
24use Widget;
25
26glib_wrapper! {
27    pub struct GestureDrag(Object<gtk_sys::GtkGestureDrag, gtk_sys::GtkGestureDragClass, GestureDragClass>) @extends GestureSingle, Gesture, EventController;
28
29    match fn {
30        get_type => || gtk_sys::gtk_gesture_drag_get_type(),
31    }
32}
33
34impl GestureDrag {
35    pub fn new<P: IsA<Widget>>(widget: &P) -> GestureDrag {
36        skip_assert_initialized!();
37        unsafe {
38            Gesture::from_glib_full(gtk_sys::gtk_gesture_drag_new(
39                widget.as_ref().to_glib_none().0,
40            ))
41            .unsafe_cast()
42        }
43    }
44}
45
46pub struct GestureDragBuilder {
47    button: Option<u32>,
48    exclusive: Option<bool>,
49    touch_only: Option<bool>,
50    n_points: Option<u32>,
51    window: Option<gdk::Window>,
52    propagation_phase: Option<PropagationPhase>,
53    widget: Option<Widget>,
54}
55
56impl GestureDragBuilder {
57    pub fn new() -> Self {
58        Self {
59            button: None,
60            exclusive: None,
61            touch_only: None,
62            n_points: None,
63            window: None,
64            propagation_phase: None,
65            widget: None,
66        }
67    }
68
69    pub fn build(self) -> GestureDrag {
70        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
71        if let Some(ref button) = self.button {
72            properties.push(("button", button));
73        }
74        if let Some(ref exclusive) = self.exclusive {
75            properties.push(("exclusive", exclusive));
76        }
77        if let Some(ref touch_only) = self.touch_only {
78            properties.push(("touch-only", touch_only));
79        }
80        if let Some(ref n_points) = self.n_points {
81            properties.push(("n-points", n_points));
82        }
83        if let Some(ref window) = self.window {
84            properties.push(("window", window));
85        }
86        if let Some(ref propagation_phase) = self.propagation_phase {
87            properties.push(("propagation-phase", propagation_phase));
88        }
89        if let Some(ref widget) = self.widget {
90            properties.push(("widget", widget));
91        }
92        glib::Object::new(GestureDrag::static_type(), &properties)
93            .expect("object new")
94            .downcast()
95            .expect("downcast")
96    }
97
98    pub fn button(mut self, button: u32) -> Self {
99        self.button = Some(button);
100        self
101    }
102
103    pub fn exclusive(mut self, exclusive: bool) -> Self {
104        self.exclusive = Some(exclusive);
105        self
106    }
107
108    pub fn touch_only(mut self, touch_only: bool) -> Self {
109        self.touch_only = Some(touch_only);
110        self
111    }
112
113    pub fn n_points(mut self, n_points: u32) -> Self {
114        self.n_points = Some(n_points);
115        self
116    }
117
118    pub fn window(mut self, window: &gdk::Window) -> Self {
119        self.window = Some(window.clone());
120        self
121    }
122
123    pub fn propagation_phase(mut self, propagation_phase: PropagationPhase) -> Self {
124        self.propagation_phase = Some(propagation_phase);
125        self
126    }
127
128    pub fn widget(mut self, widget: &Widget) -> Self {
129        self.widget = Some(widget.clone());
130        self
131    }
132}
133
134pub const NONE_GESTURE_DRAG: Option<&GestureDrag> = None;
135
136pub trait GestureDragExt: 'static {
137    fn get_offset(&self) -> Option<(f64, f64)>;
138
139    fn get_start_point(&self) -> Option<(f64, f64)>;
140
141    fn connect_drag_begin<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
142
143    fn connect_drag_end<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
144
145    fn connect_drag_update<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
146}
147
148impl<O: IsA<GestureDrag>> GestureDragExt for O {
149    fn get_offset(&self) -> Option<(f64, f64)> {
150        unsafe {
151            let mut x = mem::uninitialized();
152            let mut y = mem::uninitialized();
153            let ret = from_glib(gtk_sys::gtk_gesture_drag_get_offset(
154                self.as_ref().to_glib_none().0,
155                &mut x,
156                &mut y,
157            ));
158            if ret {
159                Some((x, y))
160            } else {
161                None
162            }
163        }
164    }
165
166    fn get_start_point(&self) -> Option<(f64, f64)> {
167        unsafe {
168            let mut x = mem::uninitialized();
169            let mut y = mem::uninitialized();
170            let ret = from_glib(gtk_sys::gtk_gesture_drag_get_start_point(
171                self.as_ref().to_glib_none().0,
172                &mut x,
173                &mut y,
174            ));
175            if ret {
176                Some((x, y))
177            } else {
178                None
179            }
180        }
181    }
182
183    fn connect_drag_begin<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
184        unsafe extern "C" fn drag_begin_trampoline<P, F: Fn(&P, f64, f64) + 'static>(
185            this: *mut gtk_sys::GtkGestureDrag,
186            start_x: libc::c_double,
187            start_y: libc::c_double,
188            f: glib_sys::gpointer,
189        ) where
190            P: IsA<GestureDrag>,
191        {
192            let f: &F = &*(f as *const F);
193            f(
194                &GestureDrag::from_glib_borrow(this).unsafe_cast(),
195                start_x,
196                start_y,
197            )
198        }
199        unsafe {
200            let f: Box_<F> = Box_::new(f);
201            connect_raw(
202                self.as_ptr() as *mut _,
203                b"drag-begin\0".as_ptr() as *const _,
204                Some(transmute(drag_begin_trampoline::<Self, F> as usize)),
205                Box_::into_raw(f),
206            )
207        }
208    }
209
210    fn connect_drag_end<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
211        unsafe extern "C" fn drag_end_trampoline<P, F: Fn(&P, f64, f64) + 'static>(
212            this: *mut gtk_sys::GtkGestureDrag,
213            offset_x: libc::c_double,
214            offset_y: libc::c_double,
215            f: glib_sys::gpointer,
216        ) where
217            P: IsA<GestureDrag>,
218        {
219            let f: &F = &*(f as *const F);
220            f(
221                &GestureDrag::from_glib_borrow(this).unsafe_cast(),
222                offset_x,
223                offset_y,
224            )
225        }
226        unsafe {
227            let f: Box_<F> = Box_::new(f);
228            connect_raw(
229                self.as_ptr() as *mut _,
230                b"drag-end\0".as_ptr() as *const _,
231                Some(transmute(drag_end_trampoline::<Self, F> as usize)),
232                Box_::into_raw(f),
233            )
234        }
235    }
236
237    fn connect_drag_update<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
238        unsafe extern "C" fn drag_update_trampoline<P, F: Fn(&P, f64, f64) + 'static>(
239            this: *mut gtk_sys::GtkGestureDrag,
240            offset_x: libc::c_double,
241            offset_y: libc::c_double,
242            f: glib_sys::gpointer,
243        ) where
244            P: IsA<GestureDrag>,
245        {
246            let f: &F = &*(f as *const F);
247            f(
248                &GestureDrag::from_glib_borrow(this).unsafe_cast(),
249                offset_x,
250                offset_y,
251            )
252        }
253        unsafe {
254            let f: Box_<F> = Box_::new(f);
255            connect_raw(
256                self.as_ptr() as *mut _,
257                b"drag-update\0".as_ptr() as *const _,
258                Some(transmute(drag_update_trampoline::<Self, F> as usize)),
259                Box_::into_raw(f),
260            )
261        }
262    }
263}
264
265impl fmt::Display for GestureDrag {
266    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
267        write!(f, "GestureDrag")
268    }
269}