use crate::EventController;
use crate::Gesture;
use crate::GestureSingle;
use crate::PropagationLimit;
use crate::PropagationPhase;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;
glib::wrapper! {
#[doc(alias = "GtkGestureDrag")]
pub struct GestureDrag(Object<ffi::GtkGestureDrag, ffi::GtkGestureDragClass>) @extends GestureSingle, Gesture, EventController;
match fn {
type_ => || ffi::gtk_gesture_drag_get_type(),
}
}
impl GestureDrag {
pub const NONE: Option<&'static GestureDrag> = None;
#[doc(alias = "gtk_gesture_drag_new")]
pub fn new() -> GestureDrag {
assert_initialized_main_thread!();
unsafe { Gesture::from_glib_full(ffi::gtk_gesture_drag_new()).unsafe_cast() }
}
pub fn builder() -> GestureDragBuilder {
GestureDragBuilder::default()
}
}
impl Default for GestureDrag {
fn default() -> Self {
Self::new()
}
}
#[derive(Clone, Default)]
#[must_use = "The builder must be built to be used"]
pub struct GestureDragBuilder {
button: Option<u32>,
exclusive: Option<bool>,
touch_only: Option<bool>,
n_points: Option<u32>,
name: Option<String>,
propagation_limit: Option<PropagationLimit>,
propagation_phase: Option<PropagationPhase>,
}
impl GestureDragBuilder {
pub fn new() -> Self {
Self::default()
}
#[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
pub fn build(self) -> GestureDrag {
let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
if let Some(ref button) = self.button {
properties.push(("button", button));
}
if let Some(ref exclusive) = self.exclusive {
properties.push(("exclusive", exclusive));
}
if let Some(ref touch_only) = self.touch_only {
properties.push(("touch-only", touch_only));
}
if let Some(ref n_points) = self.n_points {
properties.push(("n-points", n_points));
}
if let Some(ref name) = self.name {
properties.push(("name", name));
}
if let Some(ref propagation_limit) = self.propagation_limit {
properties.push(("propagation-limit", propagation_limit));
}
if let Some(ref propagation_phase) = self.propagation_phase {
properties.push(("propagation-phase", propagation_phase));
}
glib::Object::new::<GestureDrag>(&properties)
}
pub fn button(mut self, button: u32) -> Self {
self.button = Some(button);
self
}
pub fn exclusive(mut self, exclusive: bool) -> Self {
self.exclusive = Some(exclusive);
self
}
pub fn touch_only(mut self, touch_only: bool) -> Self {
self.touch_only = Some(touch_only);
self
}
pub fn n_points(mut self, n_points: u32) -> Self {
self.n_points = Some(n_points);
self
}
pub fn name(mut self, name: &str) -> Self {
self.name = Some(name.to_string());
self
}
pub fn propagation_limit(mut self, propagation_limit: PropagationLimit) -> Self {
self.propagation_limit = Some(propagation_limit);
self
}
pub fn propagation_phase(mut self, propagation_phase: PropagationPhase) -> Self {
self.propagation_phase = Some(propagation_phase);
self
}
}
pub trait GestureDragExt: 'static {
#[doc(alias = "gtk_gesture_drag_get_offset")]
#[doc(alias = "get_offset")]
fn offset(&self) -> Option<(f64, f64)>;
#[doc(alias = "gtk_gesture_drag_get_start_point")]
#[doc(alias = "get_start_point")]
fn start_point(&self) -> Option<(f64, f64)>;
#[doc(alias = "drag-begin")]
fn connect_drag_begin<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
#[doc(alias = "drag-end")]
fn connect_drag_end<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
#[doc(alias = "drag-update")]
fn connect_drag_update<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<GestureDrag>> GestureDragExt for O {
fn offset(&self) -> Option<(f64, f64)> {
unsafe {
let mut x = mem::MaybeUninit::uninit();
let mut y = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gtk_gesture_drag_get_offset(
self.as_ref().to_glib_none().0,
x.as_mut_ptr(),
y.as_mut_ptr(),
));
if ret {
Some((x.assume_init(), y.assume_init()))
} else {
None
}
}
}
fn start_point(&self) -> Option<(f64, f64)> {
unsafe {
let mut x = mem::MaybeUninit::uninit();
let mut y = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gtk_gesture_drag_get_start_point(
self.as_ref().to_glib_none().0,
x.as_mut_ptr(),
y.as_mut_ptr(),
));
if ret {
Some((x.assume_init(), y.assume_init()))
} else {
None
}
}
}
fn connect_drag_begin<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn drag_begin_trampoline<
P: IsA<GestureDrag>,
F: Fn(&P, f64, f64) + 'static,
>(
this: *mut ffi::GtkGestureDrag,
start_x: libc::c_double,
start_y: libc::c_double,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
GestureDrag::from_glib_borrow(this).unsafe_cast_ref(),
start_x,
start_y,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"drag-begin\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
drag_begin_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
fn connect_drag_end<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn drag_end_trampoline<
P: IsA<GestureDrag>,
F: Fn(&P, f64, f64) + 'static,
>(
this: *mut ffi::GtkGestureDrag,
offset_x: libc::c_double,
offset_y: libc::c_double,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
GestureDrag::from_glib_borrow(this).unsafe_cast_ref(),
offset_x,
offset_y,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"drag-end\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
drag_end_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
fn connect_drag_update<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn drag_update_trampoline<
P: IsA<GestureDrag>,
F: Fn(&P, f64, f64) + 'static,
>(
this: *mut ffi::GtkGestureDrag,
offset_x: libc::c_double,
offset_y: libc::c_double,
f: glib::ffi::gpointer,
) {
let f: &F = &*(f as *const F);
f(
GestureDrag::from_glib_borrow(this).unsafe_cast_ref(),
offset_x,
offset_y,
)
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
b"drag-update\0".as_ptr() as *const _,
Some(transmute::<_, unsafe extern "C" fn()>(
drag_update_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for GestureDrag {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("GestureDrag")
}
}