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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;
use crate::Gesture;
use crate::GestureSingle;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;

glib::wrapper! {
    /// [`GestureStylus`][crate::GestureStylus] is a [`Gesture`][crate::Gesture] implementation specific to stylus
    /// input. The provided signals just provide the basic information
    ///
    /// # Implements
    ///
    /// [`GestureSingleExt`][trait@crate::prelude::GestureSingleExt], [`GestureExt`][trait@crate::prelude::GestureExt], [`EventControllerExt`][trait@crate::prelude::EventControllerExt], [`trait@glib::ObjectExt`], [`GestureStylusExtManual`][trait@crate::prelude::GestureStylusExtManual]
    #[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 {
    /// Creates a new [`GestureStylus`][crate::GestureStylus].
    /// ## `widget`
    /// a [`Widget`][crate::Widget]
    ///
    /// # Returns
    ///
    /// a newly created stylus gesture
    #[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()
        }
    }

    /// Returns the current value for the requested `axis`. This function
    /// must be called from either the `property::GestureStylus::down`,
    /// `property::GestureStylus::motion`, `property::GestureStylus::up` or `property::GestureStylus::proximity`
    /// signals.
    /// ## `axis`
    /// requested device axis
    ///
    /// # Returns
    ///
    /// [`true`] if there is a current value for the axis
    ///
    /// ## `value`
    /// return location for the axis value
    #[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(),
            ));
            let value = value.assume_init();
            if ret {
                Some(value)
            } else {
                None
            }
        }
    }

    /// Returns the [`gdk::DeviceTool`][crate::gdk::DeviceTool] currently driving input through this gesture.
    /// This function must be called from either the `signal::GestureStylus::down`,
    /// `signal::GestureStylus::motion`, `signal::GestureStylus::up` or `signal::GestureStylus::proximity`
    /// signal handlers.
    ///
    /// # Returns
    ///
    /// The current stylus tool
    #[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")
    }
}