gtk 0.18.2

UNMAINTAINED Rust bindings for the GTK+ 3 library (use gtk4 instead)
Documentation 
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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::{EventController, Gesture, GestureSingle, Widget};
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::{boxed::Box as Box_, fmt, mem, mem::transmute};

glib::wrapper! {
    #[doc(alias = "GtkGestureStylus")]
    pub struct GestureStylus(Object<ffi::GtkGestureStylus, ffi::GtkGestureStylusClass>) @extends GestureSingle, Gesture, EventController;

    match fn {
        type_ => || ffi::gtk_gesture_stylus_get_type(),
    }
}

impl GestureStylus {
    #[doc(alias = "gtk_gesture_stylus_new")]
    pub fn new(widget: &impl IsA<Widget>) -> GestureStylus {
        skip_assert_initialized!();
        unsafe {
            Gesture::from_glib_full(ffi::gtk_gesture_stylus_new(
                widget.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    #[doc(alias = "gtk_gesture_stylus_get_axis")]
    #[doc(alias = "get_axis")]
    pub fn axis(&self, axis: gdk::AxisUse) -> Option<f64> {
        unsafe {
            let mut value = mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gtk_gesture_stylus_get_axis(
                self.to_glib_none().0,
                axis.into_glib(),
                value.as_mut_ptr(),
            ));
            if ret {
                Some(value.assume_init())
            } else {
                None
            }
        }
    }

    #[doc(alias = "gtk_gesture_stylus_get_device_tool")]
    #[doc(alias = "get_device_tool")]
    pub fn device_tool(&self) -> Option<gdk::DeviceTool> {
        unsafe {
            from_glib_none(ffi::gtk_gesture_stylus_get_device_tool(
                self.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "down")]
    pub fn connect_down<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn down_trampoline<F: Fn(&GestureStylus, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureStylus,
            object: libc::c_double,
            p0: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), object, p0)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"down\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    down_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "motion")]
    pub fn connect_motion<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn motion_trampoline<F: Fn(&GestureStylus, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureStylus,
            object: libc::c_double,
            p0: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), object, p0)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"motion\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    motion_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "proximity")]
    pub fn connect_proximity<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn proximity_trampoline<F: Fn(&GestureStylus, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureStylus,
            object: libc::c_double,
            p0: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), object, p0)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"proximity\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    proximity_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "up")]
    pub fn connect_up<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn up_trampoline<F: Fn(&GestureStylus, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureStylus,
            object: libc::c_double,
            p0: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), object, p0)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"up\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    up_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for GestureStylus {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("GestureStylus")
    }
}