gtk4/auto/

shortcut_controller.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, Buildable, EventController, Shortcut, ShortcutScope};
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// [`ShortcutController`][crate::ShortcutController] is an event controller that manages shortcuts.
    ///
    /// Most common shortcuts are using this controller implicitly, e.g. by
    /// adding a mnemonic underline to a [`Label`][crate::Label], or by installing a key
    /// binding using [`WidgetClassExt::add_binding()`][crate::subclass::prelude::WidgetClassExt::add_binding()], or by adding accelerators
    /// to global actions using [`GtkApplicationExt::set_accels_for_action()`][crate::prelude::GtkApplicationExt::set_accels_for_action()].
    ///
    /// But it is possible to create your own shortcut controller, and add
    /// shortcuts to it.
    ///
    /// [`ShortcutController`][crate::ShortcutController] implements [`gio::ListModel`][crate::gio::ListModel] for querying the
    /// shortcuts that have been added to it.
    ///
    /// # GtkShortcutController as GtkBuildable
    ///
    /// [`ShortcutController`][crate::ShortcutController]s can be created in [`Builder`][crate::Builder] ui files, to set up
    /// shortcuts in the same place as the widgets.
    ///
    /// An example of a UI definition fragment with [`ShortcutController`][crate::ShortcutController]:
    /// ```xml
    ///   <object class='GtkButton'>
    ///     <child>
    ///       <object class='GtkShortcutController'>
    ///         <property name='scope'>managed</property>
    ///         <child>
    ///           <object class='GtkShortcut'>
    ///             <property name='trigger'>&lt;Control&gt;k</property>
    ///             <property name='action'>activate</property>
    ///           </object>
    ///         </child>
    ///       </object>
    ///     </child>
    ///   </object>
    /// ```
    ///
    /// This example creates a [`ActivateAction`][crate::ActivateAction] for triggering the
    /// `activate` signal of the [`Button`][crate::Button]. See [`ShortcutAction::parse_string()`][crate::ShortcutAction::parse_string()]
    /// for the syntax for other kinds of [`ShortcutAction`][crate::ShortcutAction]. See
    /// [`ShortcutTrigger::parse_string()`][crate::ShortcutTrigger::parse_string()] to learn more about the syntax
    /// for triggers.
    ///
    /// ## Properties
    ///
    ///
    /// #### `item-type`
    ///  The type of items. See [`ListModelExtManual::item_type()`][crate::gio::prelude::ListModelExtManual::item_type()].
    ///
    /// Readable
    ///
    ///
    /// #### `mnemonic-modifiers`
    ///  The modifiers that need to be pressed to allow mnemonics activation.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `model`
    ///  A list model to take shortcuts from.
    ///
    /// Writeable | Construct Only
    ///
    ///
    /// #### `n-items`
    ///  The number of items. See [`ListModelExtManual::n_items()`][crate::gio::prelude::ListModelExtManual::n_items()].
    ///
    /// Readable
    ///
    ///
    /// #### `scope`
    ///  What scope the shortcuts will be handled in.
    ///
    /// Readable | Writeable
    /// <details><summary><h4>EventController</h4></summary>
    ///
    ///
    /// #### `name`
    ///  The name for this controller, typically used for debugging purposes.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `propagation-limit`
    ///  The limit for which events this controller will handle.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `propagation-phase`
    ///  The propagation phase at which this controller will handle events.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `widget`
    ///  The widget receiving the `GdkEvents` that the controller will handle.
    ///
    /// Readable
    /// </details>
    ///
    /// # Implements
    ///
    /// [`EventControllerExt`][trait@crate::prelude::EventControllerExt], [`trait@glib::ObjectExt`], [`trait@gio::prelude::ListModelExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt]
    #[doc(alias = "GtkShortcutController")]
    pub struct ShortcutController(Object<ffi::GtkShortcutController, ffi::GtkShortcutControllerClass>) @extends EventController, @implements gio::ListModel, Buildable;

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

impl ShortcutController {
    /// Creates a new shortcut controller.
    ///
    /// # Returns
    ///
    /// a newly created shortcut controller
    #[doc(alias = "gtk_shortcut_controller_new")]
    pub fn new() -> ShortcutController {
        assert_initialized_main_thread!();
        unsafe { EventController::from_glib_full(ffi::gtk_shortcut_controller_new()).unsafe_cast() }
    }

    /// Creates a new shortcut controller that takes its shortcuts from
    /// the given list model.
    ///
    /// A controller created by this function does not let you add or
    /// remove individual shortcuts using the shortcut controller api,
    /// but you can change the contents of the model.
    /// ## `model`
    /// a `GListModel` containing shortcuts
    ///
    /// # Returns
    ///
    /// a newly created shortcut controller
    #[doc(alias = "gtk_shortcut_controller_new_for_model")]
    #[doc(alias = "new_for_model")]
    pub fn for_model(model: &impl IsA<gio::ListModel>) -> ShortcutController {
        assert_initialized_main_thread!();
        unsafe {
            EventController::from_glib_full(ffi::gtk_shortcut_controller_new_for_model(
                model.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

    /// Adds @shortcut to the list of shortcuts handled by @self.
    ///
    /// If this controller uses an external shortcut list, this
    /// function does nothing.
    /// ## `shortcut`
    /// a [`Shortcut`][crate::Shortcut]
    #[doc(alias = "gtk_shortcut_controller_add_shortcut")]
    pub fn add_shortcut(&self, shortcut: Shortcut) {
        unsafe {
            ffi::gtk_shortcut_controller_add_shortcut(
                self.to_glib_none().0,
                shortcut.into_glib_ptr(),
            );
        }
    }

    /// Gets the mnemonics modifiers for when this controller activates its shortcuts.
    ///
    /// # Returns
    ///
    /// the controller's mnemonics modifiers
    #[doc(alias = "gtk_shortcut_controller_get_mnemonics_modifiers")]
    #[doc(alias = "get_mnemonics_modifiers")]
    #[doc(alias = "mnemonic-modifiers")]
    pub fn mnemonics_modifiers(&self) -> gdk::ModifierType {
        unsafe {
            from_glib(ffi::gtk_shortcut_controller_get_mnemonics_modifiers(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the scope for when this controller activates its shortcuts.
    ///
    /// See [`set_scope()`][Self::set_scope()] for details.
    ///
    /// # Returns
    ///
    /// the controller's scope
    #[doc(alias = "gtk_shortcut_controller_get_scope")]
    #[doc(alias = "get_scope")]
    pub fn scope(&self) -> ShortcutScope {
        unsafe {
            from_glib(ffi::gtk_shortcut_controller_get_scope(
                self.to_glib_none().0,
            ))
        }
    }

    /// Removes @shortcut from the list of shortcuts handled by @self.
    ///
    /// If @shortcut had not been added to @controller or this controller
    /// uses an external shortcut list, this function does nothing.
    /// ## `shortcut`
    /// a [`Shortcut`][crate::Shortcut]
    #[doc(alias = "gtk_shortcut_controller_remove_shortcut")]
    pub fn remove_shortcut(&self, shortcut: &Shortcut) {
        unsafe {
            ffi::gtk_shortcut_controller_remove_shortcut(
                self.to_glib_none().0,
                shortcut.to_glib_none().0,
            );
        }
    }

    /// Sets the controller to use the given modifier for mnemonics.
    ///
    /// The mnemonics modifiers determines which modifiers need to be pressed to allow
    /// activation of shortcuts with mnemonics triggers.
    ///
    /// GTK normally uses the Alt modifier for mnemonics, except in [`PopoverMenu`][crate::PopoverMenu]s,
    /// where mnemonics can be triggered without any modifiers. It should be very
    /// rarely necessary to change this, and doing so is likely to interfere with
    /// other shortcuts.
    ///
    /// This value is only relevant for local shortcut controllers. Global and managed
    /// shortcut controllers will have their shortcuts activated from other places which
    /// have their own modifiers for activating mnemonics.
    /// ## `modifiers`
    /// the new mnemonics_modifiers to use
    #[doc(alias = "gtk_shortcut_controller_set_mnemonics_modifiers")]
    #[doc(alias = "mnemonic-modifiers")]
    pub fn set_mnemonics_modifiers(&self, modifiers: gdk::ModifierType) {
        unsafe {
            ffi::gtk_shortcut_controller_set_mnemonics_modifiers(
                self.to_glib_none().0,
                modifiers.into_glib(),
            );
        }
    }

    /// Sets the controller to have the given @scope.
    ///
    /// The scope allows shortcuts to be activated outside of the normal
    /// event propagation. In particular, it allows installing global
    /// keyboard shortcuts that can be activated even when a widget does
    /// not have focus.
    ///
    /// With [`ShortcutScope::Local`][crate::ShortcutScope::Local], shortcuts will only be activated
    /// when the widget has focus.
    /// ## `scope`
    /// the new scope to use
    #[doc(alias = "gtk_shortcut_controller_set_scope")]
    #[doc(alias = "scope")]
    pub fn set_scope(&self, scope: ShortcutScope) {
        unsafe {
            ffi::gtk_shortcut_controller_set_scope(self.to_glib_none().0, scope.into_glib());
        }
    }

    #[doc(alias = "mnemonic-modifiers")]
    pub fn connect_mnemonic_modifiers_notify<F: Fn(&Self) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_mnemonic_modifiers_trampoline<
            F: Fn(&ShortcutController) + 'static,
        >(
            this: *mut ffi::GtkShortcutController,
            _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 _,
                c"notify::mnemonic-modifiers".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_mnemonic_modifiers_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "scope")]
    pub fn connect_scope_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_scope_trampoline<F: Fn(&ShortcutController) + 'static>(
            this: *mut ffi::GtkShortcutController,
            _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 _,
                c"notify::scope".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_scope_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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