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use EventController;
use Gesture;
#[cfg(feature = "v3_14")]
use Widget;
use ffi;
use glib;
use glib::object::Downcast;
use glib::object::IsA;
#[cfg(feature = "v3_14")]
use glib::signal::connect;
use glib::translate::*;
#[cfg(feature = "v3_14")]
use glib_ffi;
use gobject_ffi;
#[cfg(feature = "v3_14")]
use libc;
#[cfg(feature = "v3_14")]
use std::boxed::Box as Box_;
#[cfg(feature = "v3_14")]
use std::mem::transmute;
glib_wrapper! {
pub struct GestureRotate(Object<ffi::GtkGestureRotate>): Gesture, EventController;
match fn {
get_type => || ffi::gtk_gesture_rotate_get_type(),
}
}
impl GestureRotate {
#[cfg(feature = "v3_14")]
pub fn new<P: IsA<Widget>>(widget: &P) -> GestureRotate {
skip_assert_initialized!();
unsafe {
Gesture::from_glib_full(ffi::gtk_gesture_rotate_new(widget.to_glib_none().0)).downcast_unchecked()
}
}
}
pub trait GestureRotateExt {
#[cfg(feature = "v3_14")]
fn get_angle_delta(&self) -> f64;
#[cfg(feature = "v3_14")]
fn connect_angle_changed<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> u64;
}
impl<O: IsA<GestureRotate> + IsA<glib::object::Object>> GestureRotateExt for O {
#[cfg(feature = "v3_14")]
fn get_angle_delta(&self) -> f64 {
unsafe {
ffi::gtk_gesture_rotate_get_angle_delta(self.to_glib_none().0)
}
}
#[cfg(feature = "v3_14")]
fn connect_angle_changed<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> u64 {
unsafe {
let f: Box_<Box_<Fn(&Self, f64, f64) + 'static>> = Box_::new(Box_::new(f));
connect(self.to_glib_none().0, "angle-changed",
transmute(angle_changed_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
#[cfg(feature = "v3_14")]
unsafe extern "C" fn angle_changed_trampoline<P>(this: *mut ffi::GtkGestureRotate, angle: libc::c_double, angle_delta: libc::c_double, f: glib_ffi::gpointer)
where P: IsA<GestureRotate> {
callback_guard!();
let f: &Box_<Fn(&P, f64, f64) + 'static> = transmute(f);
f(&GestureRotate::from_glib_none(this).downcast_unchecked(), angle, angle_delta)
}