// 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 glib::object::IsA;
use glib::translate::*;
use std::fmt;

glib::wrapper! {
    /// [`ShortcutTrigger`][crate::ShortcutTrigger] tracks how a [`Shortcut`][crate::Shortcut] should be activated.
    ///
    /// To find out if a [`ShortcutTrigger`][crate::ShortcutTrigger] triggers, you can call
    /// [`ShortcutTriggerExt::trigger()`][crate::prelude::ShortcutTriggerExt::trigger()] on a [`gdk::Event`][crate::gdk::Event].
    ///
    /// `GtkShortcutTriggers` contain functions that allow easy presentation
    /// to end users as well as being printed for debugging.
    ///
    /// All `GtkShortcutTriggers` are immutable, you can only specify their
    /// properties during construction. If you want to change a trigger, you
    /// have to replace it with a new one.
    ///
    /// This is an Abstract Base Class, you cannot instantiate it.
    ///
    /// # Implements
    ///
    /// [`ShortcutTriggerExt`][trait@crate::prelude::ShortcutTriggerExt], [`trait@glib::ObjectExt`], [`ShortcutTriggerExtManual`][trait@crate::prelude::ShortcutTriggerExtManual]
    #[doc(alias = "GtkShortcutTrigger")]
    pub struct ShortcutTrigger(Object<ffi::GtkShortcutTrigger, ffi::GtkShortcutTriggerClass>);

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

impl ShortcutTrigger {
    pub const NONE: Option<&'static ShortcutTrigger> = None;

    /// Tries to parse the given string into a trigger.
    ///
    /// On success, the parsed trigger is returned.
    /// When parsing failed, [`None`] is returned.
    ///
    /// The accepted strings are:
    ///
    ///   - `never`, for [`NeverTrigger`][crate::NeverTrigger]
    ///   - a string parsed by gtk_accelerator_parse(), for a [`KeyvalTrigger`][crate::KeyvalTrigger], e.g. `<Control>C`
    ///   - underscore, followed by a single character, for [`MnemonicTrigger`][crate::MnemonicTrigger], e.g. `_l`
    ///   - two valid trigger strings, separated by a `|` character, for a
    ///     [`AlternativeTrigger`][crate::AlternativeTrigger]: `<Control>q|<Control>w`
    ///
    /// Note that you will have to escape the `<` and `>` characters when specifying
    /// triggers in XML files, such as GtkBuilder ui files. Use `&lt;` instead of
    /// `<` and `&gt;` instead of `>`.
    /// ## `string`
    /// the string to parse
    ///
    /// # Returns
    ///
    /// a new [`ShortcutTrigger`][crate::ShortcutTrigger]
    #[doc(alias = "gtk_shortcut_trigger_parse_string")]
    pub fn parse_string(string: &str) -> Option<ShortcutTrigger> {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gtk_shortcut_trigger_parse_string(
                string.to_glib_none().0,
            ))
        }
    }
}

impl fmt::Display for ShortcutTrigger {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str(&ShortcutTriggerExt::to_str(self))
    }
}

/// Trait containing all [`struct@ShortcutTrigger`] methods.
///
/// # Implementors
///
/// [`AlternativeTrigger`][struct@crate::AlternativeTrigger], [`KeyvalTrigger`][struct@crate::KeyvalTrigger], [`MnemonicTrigger`][struct@crate::MnemonicTrigger], [`NeverTrigger`][struct@crate::NeverTrigger], [`ShortcutTrigger`][struct@crate::ShortcutTrigger]
pub trait ShortcutTriggerExt: 'static {
    /// Gets textual representation for the given trigger.
    ///
    /// This function is returning a translated string for
    /// presentation to end users for example in menu items
    /// or in help texts.
    ///
    /// The @display in use may influence the resulting string in
    /// various forms, such as resolving hardware keycodes or by
    /// causing display-specific modifier names.
    ///
    /// The form of the representation may change at any time and is
    /// not guaranteed to stay identical.
    /// ## `display`
    /// [`gdk::Display`][crate::gdk::Display] to print for
    ///
    /// # Returns
    ///
    /// a new string
    #[doc(alias = "gtk_shortcut_trigger_to_label")]
    fn to_label(&self, display: &impl IsA<gdk::Display>) -> glib::GString;

    /// Prints the given trigger into a human-readable string.
    ///
    /// This is a small wrapper around `Gtk::ShortcutTrigger::print()`
    /// to help when debugging.
    ///
    /// # Returns
    ///
    /// a new string
    #[doc(alias = "gtk_shortcut_trigger_to_string")]
    #[doc(alias = "to_string")]
    fn to_str(&self) -> glib::GString;

    /// Checks if the given @event triggers @self.
    /// ## `event`
    /// the event to check
    /// ## `enable_mnemonics`
    /// [`true`] if mnemonics should trigger. Usually the
    ///   value of this property is determined by checking that the passed
    ///   in @event is a Key event and has the right modifiers set.
    ///
    /// # Returns
    ///
    /// Whether the event triggered the shortcut
    #[doc(alias = "gtk_shortcut_trigger_trigger")]
    fn trigger(&self, event: impl AsRef<gdk::Event>, enable_mnemonics: bool) -> gdk::KeyMatch;
}

impl<O: IsA<ShortcutTrigger>> ShortcutTriggerExt for O {
    fn to_label(&self, display: &impl IsA<gdk::Display>) -> glib::GString {
        unsafe {
            from_glib_full(ffi::gtk_shortcut_trigger_to_label(
                self.as_ref().to_glib_none().0,
                display.as_ref().to_glib_none().0,
            ))
        }
    }

    fn to_str(&self) -> glib::GString {
        unsafe {
            from_glib_full(ffi::gtk_shortcut_trigger_to_string(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn trigger(&self, event: impl AsRef<gdk::Event>, enable_mnemonics: bool) -> gdk::KeyMatch {
        unsafe {
            from_glib(ffi::gtk_shortcut_trigger_trigger(
                self.as_ref().to_glib_none().0,
                event.as_ref().to_glib_none().0,
                enable_mnemonics.into_glib(),
            ))
        }
    }
}