gtk/auto/
gesture_rotate.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::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}