use crate::{EventController, Gesture, GestureSingle, PropagationLimit, PropagationPhase};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, fmt, mem, mem::transmute};
glib::wrapper! {
#[doc(alias = "GtkGestureSwipe")]
pub struct GestureSwipe(Object<ffi::GtkGestureSwipe, ffi::GtkGestureSwipeClass>) @extends GestureSingle, Gesture, EventController;
match fn {
type_ => || ffi::gtk_gesture_swipe_get_type(),
}
}
impl GestureSwipe {
#[doc(alias = "gtk_gesture_swipe_new")]
pub fn new() -> GestureSwipe {
assert_initialized_main_thread!();
unsafe { Gesture::from_glib_full(ffi::gtk_gesture_swipe_new()).unsafe_cast() }
}
pub fn builder() -> GestureSwipeBuilder {
GestureSwipeBuilder::new()
}
#[doc(alias = "gtk_gesture_swipe_get_velocity")]
#[doc(alias = "get_velocity")]
pub fn velocity(&self) -> Option<(f64, f64)> {
unsafe {
let mut velocity_x = mem::MaybeUninit::uninit();
let mut velocity_y = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gtk_gesture_swipe_get_velocity(
self.to_glib_none().0,
velocity_x.as_mut_ptr(),
velocity_y.as_mut_ptr(),
));
if ret {
Some((velocity_x.assume_init(), velocity_y.assume_init()))
} else {
None
}
}
}
#[doc(alias = "swipe")]
pub fn connect_swipe<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn swipe_trampoline<F: Fn(&GestureSwipe, f64, f64) + 'static>(
this: *mut ffi::GtkGestureSwipe,
velocity_x: libc::c_double,
velocity_y: libc::c_double,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this), velocity_x, velocity_y)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"swipe\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
swipe_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl Default for GestureSwipe {
fn default() -> Self {
Self::new()
}
}
#[must_use = "The builder must be built to be used"]
pub struct GestureSwipeBuilder {
builder: glib::object::ObjectBuilder<'static, GestureSwipe>,
}
impl GestureSwipeBuilder {
fn new() -> Self {
Self {
builder: glib::object::Object::builder(),
}
}
pub fn button(self, button: u32) -> Self {
Self {
builder: self.builder.property("button", button),
}
}
pub fn exclusive(self, exclusive: bool) -> Self {
Self {
builder: self.builder.property("exclusive", exclusive),
}
}
pub fn touch_only(self, touch_only: bool) -> Self {
Self {
builder: self.builder.property("touch-only", touch_only),
}
}
pub fn n_points(self, n_points: u32) -> Self {
Self {
builder: self.builder.property("n-points", n_points),
}
}
pub fn name(self, name: impl Into<glib::GString>) -> Self {
Self {
builder: self.builder.property("name", name.into()),
}
}
pub fn propagation_limit(self, propagation_limit: PropagationLimit) -> Self {
Self {
builder: self
.builder
.property("propagation-limit", propagation_limit),
}
}
pub fn propagation_phase(self, propagation_phase: PropagationPhase) -> Self {
Self {
builder: self
.builder
.property("propagation-phase", propagation_phase),
}
}
#[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
pub fn build(self) -> GestureSwipe {
self.builder.build()
}
}
impl fmt::Display for GestureSwipe {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("GestureSwipe")
}
}