gtk4/auto/

gesture_click.rs

// 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::{ffi, EventController, Gesture, GestureSingle, PropagationLimit, PropagationPhase};
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// [`GestureClick`][crate::GestureClick] is a [`Gesture`][crate::Gesture] implementation for clicks.
    ///
    /// It is able to recognize multiple clicks on a nearby zone, which
    /// can be listened for through the [`pressed`][struct@crate::GestureClick#pressed]
    /// signal. Whenever time or distance between clicks exceed the GTK
    /// defaults, [`stopped`][struct@crate::GestureClick#stopped] is emitted, and the
    /// click counter is reset.
    ///
    /// ## Signals
    ///
    ///
    /// #### `pressed`
    ///  Emitted whenever a button or touch press happens.
    ///
    ///
    ///
    ///
    /// #### `released`
    ///  Emitted when a button or touch is released.
    ///
    /// @n_press will report the number of press that is paired to
    /// this event, note that [`stopped`][struct@crate::GestureClick#stopped] may
    /// have been emitted between the press and its release, @n_press
    /// will only start over at the next press.
    ///
    ///
    ///
    ///
    /// #### `stopped`
    ///  Emitted whenever any time/distance threshold has been exceeded.
    ///
    ///
    ///
    ///
    /// #### `unpaired-release`
    ///  Emitted whenever the gesture receives a release
    /// event that had no previous corresponding press.
    ///
    /// Due to implicit grabs, this can only happen on situations
    /// where input is grabbed elsewhere mid-press or the pressed
    /// widget voluntarily relinquishes its implicit grab.
    ///
    ///
    /// <details><summary><h4>Gesture</h4></summary>
    ///
    ///
    /// #### `begin`
    ///  Emitted when the gesture is recognized.
    ///
    /// This means the number of touch sequences matches
    /// [`n-points`][struct@crate::Gesture#n-points].
    ///
    /// Note: These conditions may also happen when an extra touch
    /// (eg. a third touch on a 2-touches gesture) is lifted, in that
    /// situation @sequence won't pertain to the current set of active
    /// touches, so don't rely on this being true.
    ///
    ///
    ///
    ///
    /// #### `cancel`
    ///  Emitted whenever a sequence is cancelled.
    ///
    /// This usually happens on active touches when
    /// [`EventControllerExt::reset()`][crate::prelude::EventControllerExt::reset()] is called on @gesture
    /// (manually, due to grabs...), or the individual @sequence
    /// was claimed by parent widgets' controllers (see
    /// [`GestureExt::set_sequence_state()`][crate::prelude::GestureExt::set_sequence_state()]).
    ///
    /// @gesture must forget everything about @sequence as in
    /// response to this signal.
    ///
    ///
    ///
    ///
    /// #### `end`
    ///  Emitted when @gesture either stopped recognizing the event
    /// sequences as something to be handled, or the number of touch
    /// sequences became higher or lower than [`n-points`][struct@crate::Gesture#n-points].
    ///
    /// Note: @sequence might not pertain to the group of sequences that
    /// were previously triggering recognition on @gesture (ie. a just
    /// pressed touch sequence that exceeds [`n-points`][struct@crate::Gesture#n-points]).
    /// This situation may be detected by checking through
    /// [`GestureExt::handles_sequence()`][crate::prelude::GestureExt::handles_sequence()].
    ///
    ///
    ///
    ///
    /// #### `sequence-state-changed`
    ///  Emitted whenever a sequence state changes.
    ///
    /// See [`GestureExt::set_sequence_state()`][crate::prelude::GestureExt::set_sequence_state()] to know
    /// more about the expectable sequence lifetimes.
    ///
    ///
    ///
    ///
    /// #### `update`
    ///  Emitted whenever an event is handled while the gesture is recognized.
    ///
    /// @sequence is guaranteed to pertain to the set of active touches.
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`GestureSingleExt`][trait@crate::prelude::GestureSingleExt], [`GestureExt`][trait@crate::prelude::GestureExt], [`EventControllerExt`][trait@crate::prelude::EventControllerExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkGestureClick")]
    pub struct GestureClick(Object<ffi::GtkGestureClick, ffi::GtkGestureClickClass>) @extends GestureSingle, Gesture, EventController;

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

impl GestureClick {
    /// Returns a newly created [`Gesture`][crate::Gesture] that recognizes
    /// single and multiple presses.
    ///
    /// # Returns
    ///
    /// a newly created [`GestureClick`][crate::GestureClick]
    #[doc(alias = "gtk_gesture_click_new")]
    pub fn new() -> GestureClick {
        assert_initialized_main_thread!();
        unsafe { Gesture::from_glib_full(ffi::gtk_gesture_click_new()).unsafe_cast() }
    }

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

    /// Emitted whenever a button or touch press happens.
    /// ## `n_press`
    /// how many touch/button presses happened with this one
    /// ## `x`
    /// The X coordinate, in widget allocation coordinates
    /// ## `y`
    /// The Y coordinate, in widget allocation coordinates
    #[doc(alias = "pressed")]
    pub fn connect_pressed<F: Fn(&Self, i32, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn pressed_trampoline<F: Fn(&GestureClick, i32, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureClick,
            n_press: std::ffi::c_int,
            x: std::ffi::c_double,
            y: std::ffi::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), n_press, x, y)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"pressed\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    pressed_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted when a button or touch is released.
    ///
    /// @n_press will report the number of press that is paired to
    /// this event, note that [`stopped`][struct@crate::GestureClick#stopped] may
    /// have been emitted between the press and its release, @n_press
    /// will only start over at the next press.
    /// ## `n_press`
    /// number of press that is paired with this release
    /// ## `x`
    /// The X coordinate, in widget allocation coordinates
    /// ## `y`
    /// The Y coordinate, in widget allocation coordinates
    #[doc(alias = "released")]
    pub fn connect_released<F: Fn(&Self, i32, f64, f64) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn released_trampoline<F: Fn(&GestureClick, i32, f64, f64) + 'static>(
            this: *mut ffi::GtkGestureClick,
            n_press: std::ffi::c_int,
            x: std::ffi::c_double,
            y: std::ffi::c_double,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), n_press, x, y)
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"released\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    released_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted whenever any time/distance threshold has been exceeded.
    #[doc(alias = "stopped")]
    pub fn connect_stopped<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn stopped_trampoline<F: Fn(&GestureClick) + 'static>(
            this: *mut ffi::GtkGestureClick,
            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"stopped\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    stopped_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted whenever the gesture receives a release
    /// event that had no previous corresponding press.
    ///
    /// Due to implicit grabs, this can only happen on situations
    /// where input is grabbed elsewhere mid-press or the pressed
    /// widget voluntarily relinquishes its implicit grab.
    /// ## `x`
    /// X coordinate of the event
    /// ## `y`
    /// Y coordinate of the event
    /// ## `button`
    /// Button being released
    /// ## `sequence`
    /// Sequence being released
    #[doc(alias = "unpaired-release")]
    pub fn connect_unpaired_release<
        F: Fn(&Self, f64, f64, u32, Option<&gdk::EventSequence>) + 'static,
    >(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn unpaired_release_trampoline<
            F: Fn(&GestureClick, f64, f64, u32, Option<&gdk::EventSequence>) + 'static,
        >(
            this: *mut ffi::GtkGestureClick,
            x: std::ffi::c_double,
            y: std::ffi::c_double,
            button: std::ffi::c_uint,
            sequence: *mut gdk::ffi::GdkEventSequence,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(
                &from_glib_borrow(this),
                x,
                y,
                button,
                Option::<gdk::EventSequence>::from_glib_borrow(sequence)
                    .as_ref()
                    .as_ref(),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"unpaired-release\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    unpaired_release_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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

// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`GestureClick`] 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 GestureClickBuilder {
    builder: glib::object::ObjectBuilder<'static, GestureClick>,
}

impl GestureClickBuilder {
    fn new() -> Self {
        Self {
            builder: glib::object::Object::builder(),
        }
    }

    /// Mouse button number to listen to, or 0 to listen for any button.
    pub fn button(self, button: u32) -> Self {
        Self {
            builder: self.builder.property("button", button),
        }
    }

    /// Whether the gesture is exclusive.
    ///
    /// Exclusive gestures only listen to pointer and pointer emulated events.
    pub fn exclusive(self, exclusive: bool) -> Self {
        Self {
            builder: self.builder.property("exclusive", exclusive),
        }
    }

    /// Whether the gesture handles only touch events.
    pub fn touch_only(self, touch_only: bool) -> Self {
        Self {
            builder: self.builder.property("touch-only", touch_only),
        }
    }

    /// The number of touch points that trigger
    /// recognition on this gesture.
    pub fn n_points(self, n_points: u32) -> Self {
        Self {
            builder: self.builder.property("n-points", n_points),
        }
    }

    /// The name for this controller, typically used for debugging purposes.
    pub fn name(self, name: impl Into<glib::GString>) -> Self {
        Self {
            builder: self.builder.property("name", name.into()),
        }
    }

    /// The limit for which events this controller will handle.
    pub fn propagation_limit(self, propagation_limit: PropagationLimit) -> Self {
        Self {
            builder: self
                .builder
                .property("propagation-limit", propagation_limit),
        }
    }

    /// The propagation phase at which this controller will handle events.
    pub fn propagation_phase(self, propagation_phase: PropagationPhase) -> Self {
        Self {
            builder: self
                .builder
                .property("propagation-phase", propagation_phase),
        }
    }

    // rustdoc-stripper-ignore-next
    /// Build the [`GestureClick`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> GestureClick {
        assert_initialized_main_thread!();
        self.builder.build()
    }
}