gtk/auto/
gesture_rotate.rs1use gdk;
6use glib::object::Cast;
7use glib::object::IsA;
8use glib::object::ObjectType as ObjectType_;
9use glib::signal::connect_raw;
10use glib::signal::SignalHandlerId;
11use glib::translate::*;
12use glib::StaticType;
13use glib::ToValue;
14use glib_sys;
15use gtk_sys;
16use libc;
17use std::boxed::Box as Box_;
18use std::fmt;
19use std::mem::transmute;
20use EventController;
21use Gesture;
22use PropagationPhase;
23use Widget;
24
25glib_wrapper! {
26 pub struct GestureRotate(Object<gtk_sys::GtkGestureRotate, gtk_sys::GtkGestureRotateClass, GestureRotateClass>) @extends Gesture, EventController;
27
28 match fn {
29 get_type => || gtk_sys::gtk_gesture_rotate_get_type(),
30 }
31}
32
33impl GestureRotate {
34 pub fn new<P: IsA<Widget>>(widget: &P) -> GestureRotate {
35 skip_assert_initialized!();
36 unsafe {
37 Gesture::from_glib_full(gtk_sys::gtk_gesture_rotate_new(
38 widget.as_ref().to_glib_none().0,
39 ))
40 .unsafe_cast()
41 }
42 }
43
44 pub fn get_angle_delta(&self) -> f64 {
45 unsafe { gtk_sys::gtk_gesture_rotate_get_angle_delta(self.to_glib_none().0) }
46 }
47
48 pub fn connect_angle_changed<F: Fn(&GestureRotate, f64, f64) + 'static>(
49 &self,
50 f: F,
51 ) -> SignalHandlerId {
52 unsafe extern "C" fn angle_changed_trampoline<F: Fn(&GestureRotate, f64, f64) + 'static>(
53 this: *mut gtk_sys::GtkGestureRotate,
54 angle: libc::c_double,
55 angle_delta: libc::c_double,
56 f: glib_sys::gpointer,
57 ) {
58 let f: &F = &*(f as *const F);
59 f(&from_glib_borrow(this), angle, angle_delta)
60 }
61 unsafe {
62 let f: Box_<F> = Box_::new(f);
63 connect_raw(
64 self.as_ptr() as *mut _,
65 b"angle-changed\0".as_ptr() as *const _,
66 Some(transmute(angle_changed_trampoline::<F> as usize)),
67 Box_::into_raw(f),
68 )
69 }
70 }
71}
72
73pub struct GestureRotateBuilder {
74 n_points: Option<u32>,
75 window: Option<gdk::Window>,
76 propagation_phase: Option<PropagationPhase>,
77 widget: Option<Widget>,
78}
79
80impl GestureRotateBuilder {
81 pub fn new() -> Self {
82 Self {
83 n_points: None,
84 window: None,
85 propagation_phase: None,
86 widget: None,
87 }
88 }
89
90 pub fn build(self) -> GestureRotate {
91 let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
92 if let Some(ref n_points) = self.n_points {
93 properties.push(("n-points", n_points));
94 }
95 if let Some(ref window) = self.window {
96 properties.push(("window", window));
97 }
98 if let Some(ref propagation_phase) = self.propagation_phase {
99 properties.push(("propagation-phase", propagation_phase));
100 }
101 if let Some(ref widget) = self.widget {
102 properties.push(("widget", widget));
103 }
104 glib::Object::new(GestureRotate::static_type(), &properties)
105 .expect("object new")
106 .downcast()
107 .expect("downcast")
108 }
109
110 pub fn n_points(mut self, n_points: u32) -> Self {
111 self.n_points = Some(n_points);
112 self
113 }
114
115 pub fn window(mut self, window: &gdk::Window) -> Self {
116 self.window = Some(window.clone());
117 self
118 }
119
120 pub fn propagation_phase(mut self, propagation_phase: PropagationPhase) -> Self {
121 self.propagation_phase = Some(propagation_phase);
122 self
123 }
124
125 pub fn widget(mut self, widget: &Widget) -> Self {
126 self.widget = Some(widget.clone());
127 self
128 }
129}
130
131impl fmt::Display for GestureRotate {
132 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
133 write!(f, "GestureRotate")
134 }
135}