1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
// 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::IMContext;
use crate::PropagationLimit;
use crate::PropagationPhase;
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 glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// [`EventControllerKey`][crate::EventControllerKey] is an event controller that provides access
    /// to key events.
    ///
    /// # Implements
    ///
    /// [`EventControllerExt`][trait@crate::prelude::EventControllerExt], [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkEventControllerKey")]
    pub struct EventControllerKey(Object<ffi::GtkEventControllerKey, ffi::GtkEventControllerKeyClass>) @extends EventController;

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

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

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

    /// Forwards the current event of this `self` to a `widget`.
    ///
    /// This function can only be used in handlers for the
    /// `signal::EventControllerKey::key-pressed`,
    /// `signal::EventControllerKey::key-released`
    /// or `signal::EventControllerKey::modifiers` signals.
    /// ## `widget`
    /// a [`Widget`][crate::Widget]
    ///
    /// # Returns
    ///
    /// whether the `widget` handled the event
    #[doc(alias = "gtk_event_controller_key_forward")]
    pub fn forward<P: IsA<Widget>>(&self, widget: &P) -> bool {
        unsafe {
            from_glib(ffi::gtk_event_controller_key_forward(
                self.to_glib_none().0,
                widget.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the key group of the current event of this `self`.
    ///
    /// See `Gdk::`KeyEvent::get_layout()``.
    ///
    /// # Returns
    ///
    /// the key group
    #[doc(alias = "gtk_event_controller_key_get_group")]
    #[doc(alias = "get_group")]
    pub fn group(&self) -> u32 {
        unsafe { ffi::gtk_event_controller_key_get_group(self.to_glib_none().0) }
    }

    /// Gets the input method context of the key `self`.
    ///
    /// # Returns
    ///
    /// the [`IMContext`][crate::IMContext]
    #[doc(alias = "gtk_event_controller_key_get_im_context")]
    #[doc(alias = "get_im_context")]
    pub fn im_context(&self) -> Option<IMContext> {
        unsafe {
            from_glib_none(ffi::gtk_event_controller_key_get_im_context(
                self.to_glib_none().0,
            ))
        }
    }

    /// Sets the input method context of the key `self`.
    /// ## `im_context`
    /// a [`IMContext`][crate::IMContext]
    #[doc(alias = "gtk_event_controller_key_set_im_context")]
    pub fn set_im_context<P: IsA<IMContext>>(&self, im_context: &P) {
        unsafe {
            ffi::gtk_event_controller_key_set_im_context(
                self.to_glib_none().0,
                im_context.as_ref().to_glib_none().0,
            );
        }
    }

    /// Emitted whenever the input method context filters away
    /// a keypress and prevents the `controller` receiving it.
    ///
    /// See [``set_im_context()``][`Self::set_im_context()`] and
    /// [``IMContextExtManual::filter_keypress()``][crate::prelude::`IMContextExtManual::filter_keypress()`].
    #[doc(alias = "im-update")]
    pub fn connect_im_update<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn im_update_trampoline<F: Fn(&EventControllerKey) + 'static>(
            this: *mut ffi::GtkEventControllerKey,
            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"im-update\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    im_update_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted whenever the state of modifier keys and pointer buttons change.
    /// ## `keyval`
    /// the released key.
    #[doc(alias = "modifiers")]
    pub fn connect_modifiers<F: Fn(&Self, gdk::ModifierType) -> glib::signal::Inhibit + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn modifiers_trampoline<
            F: Fn(&EventControllerKey, gdk::ModifierType) -> glib::signal::Inhibit + 'static,
        >(
            this: *mut ffi::GtkEventControllerKey,
            keyval: gdk::ffi::GdkModifierType,
            f: glib::ffi::gpointer,
        ) -> glib::ffi::gboolean {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), from_glib(keyval)).into_glib()
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"modifiers\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    modifiers_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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

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

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

    // rustdoc-stripper-ignore-next
    /// Build the [`EventControllerKey`].
    pub fn build(self) -> EventControllerKey {
        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::<EventControllerKey>(&properties)
            .expect("Failed to create an instance of EventControllerKey")
    }

    /// 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 EventControllerKey {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("EventControllerKey")
    }
}