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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.git)
// DO NOT EDIT

use crate::EventController;
use crate::PropagationLimit;
use crate::PropagationPhase;
use glib::object::Cast;
use glib::object::ObjectType as ObjectType_;
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::transmute;

glib::wrapper! {
    /// [`EventControllerMotion`][crate::EventControllerMotion] is an event controller tracking the pointer
    /// position.
    ///
    /// The event controller offers `signal::EventControllerMotion::enter`
    /// and `signal::EventControllerMotion::leave` signals, as well as
    /// `property::EventControllerMotion::is-pointer` and
    /// `property::EventControllerMotion::contains-pointer` properties
    /// which are updated to reflect changes in the pointer position as it
    /// moves over the widget.
    ///
    /// # Implements
    ///
    /// [`EventControllerExt`][trait@crate::prelude::EventControllerExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkEventControllerMotion")]
    pub struct EventControllerMotion(Object<ffi::GtkEventControllerMotion, ffi::GtkEventControllerMotionClass>) @extends EventController;

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

impl EventControllerMotion {
    /// Creates a new event controller that will handle motion events.
    ///
    /// # Returns
    ///
    /// a new [`EventControllerMotion`][crate::EventControllerMotion]
    #[doc(alias = "gtk_event_controller_motion_new")]
    pub fn new() -> EventControllerMotion {
        assert_initialized_main_thread!();
        unsafe {
            EventController::from_glib_full(ffi::gtk_event_controller_motion_new()).unsafe_cast()
        }
    }

    // rustdoc-stripper-ignore-next
    /// Creates a new builder-pattern struct instance to construct [`EventControllerMotion`] objects.
    ///
    /// This method returns an instance of [`EventControllerMotionBuilder`](crate::builders::EventControllerMotionBuilder) which can be used to create [`EventControllerMotion`] objects.
    pub fn builder() -> EventControllerMotionBuilder {
        EventControllerMotionBuilder::default()
    }

    /// Returns if a pointer is within @self or one of its children.
    ///
    /// # Returns
    ///
    /// [`true`] if a pointer is within @self or one of its children
    #[doc(alias = "gtk_event_controller_motion_contains_pointer")]
    pub fn contains_pointer(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_event_controller_motion_contains_pointer(
                self.to_glib_none().0,
            ))
        }
    }

    /// Returns if a pointer is within @self, but not one of its children.
    ///
    /// # Returns
    ///
    /// [`true`] if a pointer is within @self but not one of its children
    #[doc(alias = "gtk_event_controller_motion_is_pointer")]
    pub fn is_pointer(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_event_controller_motion_is_pointer(
                self.to_glib_none().0,
            ))
        }
    }

    /// Signals that the pointer has entered the widget.
    /// ## `x`
    /// coordinates of pointer location
    /// ## `y`
    /// coordinates of pointer location
    #[doc(alias = "enter")]
    pub fn connect_enter<F: Fn(&Self, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn enter_trampoline<F: Fn(&EventControllerMotion, f64, f64) + 'static>(
            this: *mut ffi::GtkEventControllerMotion,
            x: libc::c_double,
            y: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), x, y)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"enter\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    enter_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Signals that the pointer has left the widget.
    #[doc(alias = "leave")]
    pub fn connect_leave<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn leave_trampoline<F: Fn(&EventControllerMotion) + 'static>(
            this: *mut ffi::GtkEventControllerMotion,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"leave\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    leave_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted when the pointer moves inside the widget.
    /// ## `x`
    /// the x coordinate
    /// ## `y`
    /// the y coordinate
    #[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(&EventControllerMotion, f64, f64) + 'static,
        >(
            this: *mut ffi::GtkEventControllerMotion,
            x: libc::c_double,
            y: libc::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), x, y)
        }
        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 = "contains-pointer")]
    pub fn connect_contains_pointer_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_contains_pointer_trampoline<
            F: Fn(&EventControllerMotion) + 'static,
        >(
            this: *mut ffi::GtkEventControllerMotion,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::contains-pointer\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_contains_pointer_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "is-pointer")]
    pub fn connect_is_pointer_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_is_pointer_trampoline<
            F: Fn(&EventControllerMotion) + 'static,
        >(
            this: *mut ffi::GtkEventControllerMotion,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::is-pointer\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_is_pointer_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl Default for EventControllerMotion {
    fn default() -> Self {
        Self::new()
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`EventControllerMotion`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
#[must_use = "The builder must be built to be used"]
pub struct EventControllerMotionBuilder {
    name: Option<String>,
    propagation_limit: Option<PropagationLimit>,
    propagation_phase: Option<PropagationPhase>,
}

impl EventControllerMotionBuilder {
    // rustdoc-stripper-ignore-next
    /// Create a new [`EventControllerMotionBuilder`].
    pub fn new() -> Self {
        Self::default()
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`EventControllerMotion`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> EventControllerMotion {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        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::<EventControllerMotion>(&properties)
            .expect("Failed to create an instance of EventControllerMotion")
    }

    /// The name for this controller, typically used for debugging purposes.
    pub fn name(mut self, name: &str) -> Self {
        self.name = Some(name.to_string());
        self
    }

    /// The limit for which events this controller will handle.
    pub fn propagation_limit(mut self, propagation_limit: PropagationLimit) -> Self {
        self.propagation_limit = Some(propagation_limit);
        self
    }

    /// The propagation phase at which this controller will handle events.
    pub fn propagation_phase(mut self, propagation_phase: PropagationPhase) -> Self {
        self.propagation_phase = Some(propagation_phase);
        self
    }
}

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