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use EventController;
use Gesture;
use GestureSingle;
#[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;
#[cfg(feature = "v3_14")]
use libc;
#[cfg(feature = "v3_14")]
use std::boxed::Box as Box_;
#[cfg(feature = "v3_14")]
use std::mem;
#[cfg(feature = "v3_14")]
use std::mem::transmute;
glib_wrapper! {
pub struct GestureSwipe(Object<ffi::GtkGestureSwipe>): GestureSingle, Gesture, EventController;
match fn {
get_type => || ffi::gtk_gesture_swipe_get_type(),
}
}
impl GestureSwipe {
#[cfg(feature = "v3_14")]
pub fn new<P: IsA<Widget>>(widget: &P) -> GestureSwipe {
skip_assert_initialized!();
unsafe {
Gesture::from_glib_full(ffi::gtk_gesture_swipe_new(widget.to_glib_none().0)).downcast_unchecked()
}
}
}
pub trait GestureSwipeExt {
#[cfg(feature = "v3_14")]
fn get_velocity(&self) -> Option<(f64, f64)>;
#[cfg(feature = "v3_14")]
fn connect_swipe<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> u64;
}
impl<O: IsA<GestureSwipe> + IsA<glib::object::Object>> GestureSwipeExt for O {
#[cfg(feature = "v3_14")]
fn get_velocity(&self) -> Option<(f64, f64)> {
unsafe {
let mut velocity_x = mem::uninitialized();
let mut velocity_y = mem::uninitialized();
let ret = from_glib(ffi::gtk_gesture_swipe_get_velocity(self.to_glib_none().0, &mut velocity_x, &mut velocity_y));
if ret { Some((velocity_x, velocity_y)) } else { None }
}
}
#[cfg(feature = "v3_14")]
fn connect_swipe<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, "swipe",
transmute(swipe_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
}
}
}
#[cfg(feature = "v3_14")]
unsafe extern "C" fn swipe_trampoline<P>(this: *mut ffi::GtkGestureSwipe, velocity_x: libc::c_double, velocity_y: libc::c_double, f: glib_ffi::gpointer)
where P: IsA<GestureSwipe> {
callback_guard!();
let f: &Box_<Fn(&P, f64, f64) + 'static> = transmute(f);
f(&GestureSwipe::from_glib_none(this).downcast_unchecked(), velocity_x, velocity_y)
}