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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)
// DO NOT EDIT

#[cfg(feature = "v4_10")]
#[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
use crate::AccessiblePlatformState;
use crate::{ffi, Accessible, Buildable, ConstraintTarget, Widget};
use glib::{
    prelude::*,
    signal::{connect_raw, SignalHandlerId},
    translate::*,
};
use std::boxed::Box as Box_;

glib::wrapper! {
    /// [`Editable`][crate::Editable] is an interface for text editing widgets.
    ///
    /// Typical examples of editable widgets are [`Entry`][crate::Entry] and
    /// [`SpinButton`][crate::SpinButton]. It contains functions for generically manipulating
    /// an editable widget, a large number of action signals used for key bindings,
    /// and several signals that an application can connect to modify the behavior
    /// of a widget.
    ///
    /// As an example of the latter usage, by connecting the following handler to
    /// [`insert-text`][struct@crate::Editable#insert-text], an application can convert all entry
    /// into a widget into uppercase.
    ///
    /// ## Forcing entry to uppercase.
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// #include <ctype.h>
    ///
    /// void
    /// insert_text_handler (GtkEditable *editable,
    ///                      const char  *text,
    ///                      int          length,
    ///                      int         *position,
    ///                      gpointer     data)
    /// {
    ///   char *result = g_utf8_strup (text, length);
    ///
    ///   g_signal_handlers_block_by_func (editable,
    ///                                (gpointer) insert_text_handler, data);
    ///   gtk_editable_insert_text (editable, result, length, position);
    ///   g_signal_handlers_unblock_by_func (editable,
    ///                                      (gpointer) insert_text_handler, data);
    ///
    ///   g_signal_stop_emission_by_name (editable, "insert_text");
    ///
    ///   g_free (result);
    /// }
    /// ```
    ///
    /// ## Implementing GtkEditable
    ///
    /// The most likely scenario for implementing [`Editable`][crate::Editable] on your own widget
    /// is that you will embed a [`Text`][crate::Text] inside a complex widget, and want to
    /// delegate the editable functionality to that text widget. [`Editable`][crate::Editable]
    /// provides some utility functions to make this easy.
    ///
    /// In your class_init function, call [`install_properties()`][Self::install_properties()],
    /// passing the first available property ID:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static void
    /// my_class_init (MyClass *class)
    /// {
    ///   ...
    ///   g_object_class_install_properties (object_class, NUM_PROPERTIES, props);
    ///   gtk_editable_install_properties (object_clas, NUM_PROPERTIES);
    ///   ...
    /// }
    /// ```
    ///
    /// In your interface_init function for the [`Editable`][crate::Editable] interface, provide
    /// an implementation for the get_delegate vfunc that returns your text widget:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// GtkEditable *
    /// get_editable_delegate (GtkEditable *editable)
    /// {
    ///   return GTK_EDITABLE (MY_WIDGET (editable)->text_widget);
    /// }
    ///
    /// static void
    /// my_editable_init (GtkEditableInterface *iface)
    /// {
    ///   iface->get_delegate = get_editable_delegate;
    /// }
    /// ```
    ///
    /// You don't need to provide any other vfuncs. The default implementations
    /// work by forwarding to the delegate that the GtkEditableInterface.get_delegate()
    /// vfunc returns.
    ///
    /// In your instance_init function, create your text widget, and then call
    /// [`EditableExt::init_delegate()`][crate::prelude::EditableExt::init_delegate()]:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static void
    /// my_widget_init (MyWidget *self)
    /// {
    ///   ...
    ///   self->text_widget = gtk_text_new ();
    ///   gtk_editable_init_delegate (GTK_EDITABLE (self));
    ///   ...
    /// }
    /// ```
    ///
    /// In your dispose function, call [`EditableExt::finish_delegate()`][crate::prelude::EditableExt::finish_delegate()] before
    /// destroying your text widget:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static void
    /// my_widget_dispose (GObject *object)
    /// {
    ///   ...
    ///   gtk_editable_finish_delegate (GTK_EDITABLE (self));
    ///   g_clear_pointer (&self->text_widget, gtk_widget_unparent);
    ///   ...
    /// }
    /// ```
    ///
    /// Finally, use [`delegate_set_property()`][Self::delegate_set_property()] in your `set_property`
    /// function (and similar for `get_property`), to set the editable properties:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    ///   ...
    ///   if (gtk_editable_delegate_set_property (object, prop_id, value, pspec))
    ///     return;
    ///
    ///   switch (prop_id)
    ///   ...
    /// ```
    ///
    /// It is important to note that if you create a [`Editable`][crate::Editable] that uses
    /// a delegate, the low level [`insert-text`][struct@crate::Editable#insert-text] and
    /// [`delete-text`][struct@crate::Editable#delete-text] signals will be propagated from the
    /// "wrapper" editable to the delegate, but they will not be propagated from
    /// the delegate to the "wrapper" editable, as they would cause an infinite
    /// recursion. If you wish to connect to the [`insert-text`][struct@crate::Editable#insert-text]
    /// and [`delete-text`][struct@crate::Editable#delete-text] signals, you will need to connect
    /// to them on the delegate obtained via [`EditableExt::delegate()`][crate::prelude::EditableExt::delegate()].
    ///
    /// ## Properties
    ///
    ///
    /// #### `cursor-position`
    ///  The current position of the insertion cursor in chars.
    ///
    /// Readable
    ///
    ///
    /// #### `editable`
    ///  Whether the entry contents can be edited.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `enable-undo`
    ///  If undo/redo should be enabled for the editable.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `max-width-chars`
    ///  The desired maximum width of the entry, in characters.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `selection-bound`
    ///  The position of the opposite end of the selection from the cursor in chars.
    ///
    /// Readable
    ///
    ///
    /// #### `text`
    ///  The contents of the entry.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `width-chars`
    ///  Number of characters to leave space for in the entry.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `xalign`
    ///  The horizontal alignment, from 0 (left) to 1 (right).
    ///
    /// Reversed for RTL layouts.
    ///
    /// Readable | Writeable
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `can-focus`
    ///  Whether the widget or any of its descendents can accept
    /// the input focus.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `can-target`
    ///  Whether the widget can receive pointer events.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-classes`
    ///  A list of css classes applied to this widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `css-name`
    ///  The name of this widget in the CSS tree.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable | Construct Only
    ///
    ///
    /// #### `cursor`
    ///  The cursor used by @widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focus-on-click`
    ///  Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `focusable`
    ///  Whether this widget itself will accept the input focus.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `halign`
    ///  How to distribute horizontal space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `has-default`
    ///  Whether the widget is the default widget.
    ///
    /// Readable
    ///
    ///
    /// #### `has-focus`
    ///  Whether the widget has the input focus.
    ///
    /// Readable
    ///
    ///
    /// #### `has-tooltip`
    ///  Enables or disables the emission of the ::query-tooltip signal on @widget.
    ///
    /// A value of [`true`] indicates that @widget can have a tooltip, in this case
    /// the widget will be queried using [`query-tooltip`][struct@crate::Widget#query-tooltip] to
    /// determine whether it will provide a tooltip or not.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `height-request`
    ///  Override for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand`
    ///  Whether to expand horizontally.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `hexpand-set`
    ///  Whether to use the `hexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `layout-manager`
    ///  The [`LayoutManager`][crate::LayoutManager] instance to use to compute the preferred size
    /// of the widget, and allocate its children.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-bottom`
    ///  Margin on bottom side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-end`
    ///  Margin on end of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-start`
    ///  Margin on start of widget, horizontally.
    ///
    /// This property supports left-to-right and right-to-left text
    /// directions.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `margin-top`
    ///  Margin on top side of widget.
    ///
    /// This property adds margin outside of the widget's normal size
    /// request, the margin will be added in addition to the size from
    /// [`WidgetExt::set_size_request()`][crate::prelude::WidgetExt::set_size_request()] for example.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `name`
    ///  The name of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `opacity`
    ///  The requested opacity of the widget.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `overflow`
    ///  How content outside the widget's content area is treated.
    ///
    /// This property is meant to be set by widget implementations,
    /// typically in their instance init function.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `parent`
    ///  The parent widget of this widget.
    ///
    /// Readable
    ///
    ///
    /// #### `receives-default`
    ///  Whether the widget will receive the default action when it is focused.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `root`
    ///  The [`Root`][crate::Root] widget of the widget tree containing this widget.
    ///
    /// This will be [`None`] if the widget is not contained in a root widget.
    ///
    /// Readable
    ///
    ///
    /// #### `scale-factor`
    ///  The scale factor of the widget.
    ///
    /// Readable
    ///
    ///
    /// #### `sensitive`
    ///  Whether the widget responds to input.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-markup`
    ///  Sets the text of tooltip to be the given string, which is marked up
    /// with Pango markup.
    ///
    /// Also see [`Tooltip::set_markup()`][crate::Tooltip::set_markup()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not [`None`]:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to [`true`]
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `tooltip-text`
    ///  Sets the text of tooltip to be the given string.
    ///
    /// Also see [`Tooltip::set_text()`][crate::Tooltip::set_text()].
    ///
    /// This is a convenience property which will take care of getting the
    /// tooltip shown if the given string is not [`None`]:
    /// [`has-tooltip`][struct@crate::Widget#has-tooltip] will automatically be set to [`true`]
    /// and there will be taken care of [`query-tooltip`][struct@crate::Widget#query-tooltip] in
    /// the default signal handler.
    ///
    /// Note that if both [`tooltip-text`][struct@crate::Widget#tooltip-text] and
    /// [`tooltip-markup`][struct@crate::Widget#tooltip-markup] are set, the last one wins.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `valign`
    ///  How to distribute vertical space if widget gets extra space.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand`
    ///  Whether to expand vertically.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `vexpand-set`
    ///  Whether to use the `vexpand` property.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `visible`
    ///  Whether the widget is visible.
    ///
    /// Readable | Writeable
    ///
    ///
    /// #### `width-request`
    ///  Override for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    ///
    /// Readable | Writeable
    /// </details>
    /// <details><summary><h4>Accessible</h4></summary>
    ///
    ///
    /// #### `accessible-role`
    ///  The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    ///
    /// Readable | Writeable
    /// </details>
    ///
    /// ## Signals
    ///
    ///
    /// #### `changed`
    ///  Emitted at the end of a single user-visible operation on the
    /// contents.
    ///
    /// E.g., a paste operation that replaces the contents of the
    /// selection will cause only one signal emission (even though it
    /// is implemented by first deleting the selection, then inserting
    /// the new content, and may cause multiple ::notify::text signals
    /// to be emitted).
    ///
    ///
    ///
    ///
    /// #### `delete-text`
    ///  Emitted when text is deleted from the widget by the user.
    ///
    /// The default handler for this signal will normally be responsible for
    /// deleting the text, so by connecting to this signal and then stopping
    /// the signal with g_signal_stop_emission(), it is possible to modify the
    /// range of deleted text, or prevent it from being deleted entirely.
    ///
    /// The @start_pos and @end_pos parameters are interpreted as for
    /// [`EditableExt::delete_text()`][crate::prelude::EditableExt::delete_text()].
    ///
    ///
    ///
    ///
    /// #### `insert-text`
    ///  Emitted when text is inserted into the widget by the user.
    ///
    /// The default handler for this signal will normally be responsible
    /// for inserting the text, so by connecting to this signal and then
    /// stopping the signal with g_signal_stop_emission(), it is possible
    /// to modify the inserted text, or prevent it from being inserted entirely.
    ///
    ///
    /// <details><summary><h4>Widget</h4></summary>
    ///
    ///
    /// #### `destroy`
    ///  Signals that all holders of a reference to the widget should release
    /// the reference that they hold.
    ///
    /// May result in finalization of the widget if all references are released.
    ///
    /// This signal is not suitable for saving widget state.
    ///
    ///
    ///
    ///
    /// #### `direction-changed`
    ///  Emitted when the text direction of a widget changes.
    ///
    ///
    ///
    ///
    /// #### `hide`
    ///  Emitted when @widget is hidden.
    ///
    ///
    ///
    ///
    /// #### `keynav-failed`
    ///  Emitted if keyboard navigation fails.
    ///
    /// See [`WidgetExt::keynav_failed()`][crate::prelude::WidgetExt::keynav_failed()] for details.
    ///
    ///
    ///
    ///
    /// #### `map`
    ///  Emitted when @widget is going to be mapped.
    ///
    /// A widget is mapped when the widget is visible (which is controlled with
    /// [`visible`][struct@crate::Widget#visible]) and all its parents up to the toplevel widget
    /// are also visible.
    ///
    /// The ::map signal can be used to determine whether a widget will be drawn,
    /// for instance it can resume an animation that was stopped during the
    /// emission of [`unmap`][struct@crate::Widget#unmap].
    ///
    ///
    ///
    ///
    /// #### `mnemonic-activate`
    ///  Emitted when a widget is activated via a mnemonic.
    ///
    /// The default handler for this signal activates @widget if @group_cycling
    /// is [`false`], or just makes @widget grab focus if @group_cycling is [`true`].
    ///
    ///
    ///
    ///
    /// #### `move-focus`
    ///  Emitted when the focus is moved.
    ///
    /// The ::move-focus signal is a [keybinding signal](class.SignalAction.html).
    ///
    /// The default bindings for this signal are <kbd>Tab</kbd> to move forward,
    /// and <kbd>Shift</kbd>+<kbd>Tab</kbd> to move backward.
    ///
    /// Action
    ///
    ///
    /// #### `query-tooltip`
    ///  Emitted when the widget’s tooltip is about to be shown.
    ///
    /// This happens when the [`has-tooltip`][struct@crate::Widget#has-tooltip] property
    /// is [`true`] and the hover timeout has expired with the cursor hovering
    /// "above" @widget; or emitted when @widget got focus in keyboard mode.
    ///
    /// Using the given coordinates, the signal handler should determine
    /// whether a tooltip should be shown for @widget. If this is the case
    /// [`true`] should be returned, [`false`] otherwise.  Note that if
    /// @keyboard_mode is [`true`], the values of @x and @y are undefined and
    /// should not be used.
    ///
    /// The signal handler is free to manipulate @tooltip with the therefore
    /// destined function calls.
    ///
    ///
    ///
    ///
    /// #### `realize`
    ///  Emitted when @widget is associated with a [`gdk::Surface`][crate::gdk::Surface].
    ///
    /// This means that [`WidgetExt::realize()`][crate::prelude::WidgetExt::realize()] has been called
    /// or the widget has been mapped (that is, it is going to be drawn).
    ///
    ///
    ///
    ///
    /// #### `show`
    ///  Emitted when @widget is shown.
    ///
    ///
    ///
    ///
    /// #### `state-flags-changed`
    ///  Emitted when the widget state changes.
    ///
    /// See [`WidgetExt::state_flags()`][crate::prelude::WidgetExt::state_flags()].
    ///
    ///
    ///
    ///
    /// #### `unmap`
    ///  Emitted when @widget is going to be unmapped.
    ///
    /// A widget is unmapped when either it or any of its parents up to the
    /// toplevel widget have been set as hidden.
    ///
    /// As ::unmap indicates that a widget will not be shown any longer,
    /// it can be used to, for example, stop an animation on the widget.
    ///
    ///
    ///
    ///
    /// #### `unrealize`
    ///  Emitted when the [`gdk::Surface`][crate::gdk::Surface] associated with @widget is destroyed.
    ///
    /// This means that [`WidgetExt::unrealize()`][crate::prelude::WidgetExt::unrealize()] has been called
    /// or the widget has been unmapped (that is, it is going to be hidden).
    ///
    ///
    /// </details>
    ///
    /// # Implements
    ///
    /// [`EditableExt`][trait@crate::prelude::EditableExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`EditableExtManual`][trait@crate::prelude::EditableExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkEditable")]
    pub struct Editable(Interface<ffi::GtkEditable, ffi::GtkEditableInterface>) @requires Widget, Accessible, Buildable, ConstraintTarget;

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

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

mod sealed {
    pub trait Sealed {}
    impl<T: super::IsA<super::Editable>> Sealed for T {}
}

/// Trait containing all [`struct@Editable`] methods.
///
/// # Implementors
///
/// [`EditableLabel`][struct@crate::EditableLabel], [`Editable`][struct@crate::Editable], [`Entry`][struct@crate::Entry], [`PasswordEntry`][struct@crate::PasswordEntry], [`SearchEntry`][struct@crate::SearchEntry], [`SpinButton`][struct@crate::SpinButton], [`Text`][struct@crate::Text]
pub trait EditableExt: IsA<Editable> + sealed::Sealed + 'static {
    /// Retrieves the accessible platform state from the editable delegate.
    ///
    /// This is an helper function to retrieve the accessible state for
    /// [`Editable`][crate::Editable] interface implementations using a delegate pattern.
    ///
    /// You should call this function in your editable widget implementation
    /// of the `vfunc::Gtk::Accessible::get_platform_state` virtual function, for
    /// instance:
    ///
    /// **⚠️ The following code is in c ⚠️**
    ///
    /// ```c
    /// static void
    /// accessible_interface_init (GtkAccessibleInterface *iface)
    /// {
    ///   iface->get_platform_state = your_editable_get_accessible_platform_state;
    /// }
    ///
    /// static gboolean
    /// your_editable_get_accessible_platform_state (GtkAccessible *accessible,
    ///                                              GtkAccessiblePlatformState state)
    /// {
    ///   return gtk_editable_delegate_get_accessible_platform_state (GTK_EDITABLE (accessible), state);
    /// }
    /// ```
    ///
    /// Note that the widget which is the delegate *must* be a direct child of
    /// this widget, otherwise your implementation of `vfunc::Gtk::Accessible::get_platform_state`
    /// might not even be called, as the platform change will originate from
    /// the parent of the delegate, and, as a result, will not work properly.
    ///
    /// So, if you can't ensure the direct child condition, you should give the
    /// delegate the [`AccessibleRole::TextBox`][crate::AccessibleRole::TextBox] role, or you can
    /// change your tree to allow this function to work.
    /// ## `state`
    /// what kind of accessible state to retrieve
    #[cfg(feature = "v4_10")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v4_10")))]
    #[doc(alias = "gtk_editable_delegate_get_accessible_platform_state")]
    fn delegate_get_accessible_platform_state(&self, state: AccessiblePlatformState) -> bool {
        unsafe {
            from_glib(ffi::gtk_editable_delegate_get_accessible_platform_state(
                self.as_ref().to_glib_none().0,
                state.into_glib(),
            ))
        }
    }

    /// Deletes the currently selected text of the editable.
    ///
    /// This call doesn’t do anything if there is no selected text.
    #[doc(alias = "gtk_editable_delete_selection")]
    fn delete_selection(&self) {
        unsafe {
            ffi::gtk_editable_delete_selection(self.as_ref().to_glib_none().0);
        }
    }

    /// Deletes a sequence of characters.
    ///
    /// The characters that are deleted are those characters at positions
    /// from @start_pos up to, but not including @end_pos. If @end_pos is
    /// negative, then the characters deleted are those from @start_pos to
    /// the end of the text.
    ///
    /// Note that the positions are specified in characters, not bytes.
    /// ## `start_pos`
    /// start position
    /// ## `end_pos`
    /// end position
    #[doc(alias = "gtk_editable_delete_text")]
    fn delete_text(&self, start_pos: i32, end_pos: i32) {
        unsafe {
            ffi::gtk_editable_delete_text(self.as_ref().to_glib_none().0, start_pos, end_pos);
        }
    }

    /// Undoes the setup done by [`init_delegate()`][Self::init_delegate()].
    ///
    /// This is a helper function that should be called from dispose,
    /// before removing the delegate object.
    #[doc(alias = "gtk_editable_finish_delegate")]
    fn finish_delegate(&self) {
        unsafe {
            ffi::gtk_editable_finish_delegate(self.as_ref().to_glib_none().0);
        }
    }

    /// Gets the alignment of the editable.
    ///
    /// # Returns
    ///
    /// the alignment
    #[doc(alias = "gtk_editable_get_alignment")]
    #[doc(alias = "get_alignment")]
    #[doc(alias = "xalign")]
    fn alignment(&self) -> f32 {
        unsafe { ffi::gtk_editable_get_alignment(self.as_ref().to_glib_none().0) }
    }

    /// Retrieves a sequence of characters.
    ///
    /// The characters that are retrieved are those characters at positions
    /// from @start_pos up to, but not including @end_pos. If @end_pos is negative,
    /// then the characters retrieved are those characters from @start_pos to
    /// the end of the text.
    ///
    /// Note that positions are specified in characters, not bytes.
    /// ## `start_pos`
    /// start of text
    /// ## `end_pos`
    /// end of text
    ///
    /// # Returns
    ///
    /// a pointer to the contents of the widget as a
    ///   string. This string is allocated by the [`Editable`][crate::Editable] implementation
    ///   and should be freed by the caller.
    #[doc(alias = "gtk_editable_get_chars")]
    #[doc(alias = "get_chars")]
    fn chars(&self, start_pos: i32, end_pos: i32) -> glib::GString {
        unsafe {
            from_glib_full(ffi::gtk_editable_get_chars(
                self.as_ref().to_glib_none().0,
                start_pos,
                end_pos,
            ))
        }
    }

    /// Gets the [`Editable`][crate::Editable] that @self is delegating its
    /// implementation to.
    ///
    /// Typically, the delegate is a [`Text`][crate::Text] widget.
    ///
    /// # Returns
    ///
    /// the delegate [`Editable`][crate::Editable]
    #[doc(alias = "gtk_editable_get_delegate")]
    #[doc(alias = "get_delegate")]
    #[must_use]
    fn delegate(&self) -> Option<Editable> {
        unsafe {
            from_glib_none(ffi::gtk_editable_get_delegate(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Retrieves whether @self is editable.
    ///
    /// # Returns
    ///
    /// [`true`] if @self is editable.
    #[doc(alias = "gtk_editable_get_editable")]
    #[doc(alias = "get_editable")]
    #[doc(alias = "editable")]
    fn is_editable(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_editable_get_editable(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets if undo/redo actions are enabled for @self
    ///
    /// # Returns
    ///
    /// [`true`] if undo is enabled
    #[doc(alias = "gtk_editable_get_enable_undo")]
    #[doc(alias = "get_enable_undo")]
    #[doc(alias = "enable-undo")]
    fn enables_undo(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_editable_get_enable_undo(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Retrieves the desired maximum width of @self, in characters.
    ///
    /// # Returns
    ///
    /// the maximum width of the entry, in characters
    #[doc(alias = "gtk_editable_get_max_width_chars")]
    #[doc(alias = "get_max_width_chars")]
    #[doc(alias = "max-width-chars")]
    fn max_width_chars(&self) -> i32 {
        unsafe { ffi::gtk_editable_get_max_width_chars(self.as_ref().to_glib_none().0) }
    }

    /// Retrieves the current position of the cursor relative
    /// to the start of the content of the editable.
    ///
    /// Note that this position is in characters, not in bytes.
    ///
    /// # Returns
    ///
    /// the cursor position
    #[doc(alias = "gtk_editable_get_position")]
    #[doc(alias = "get_position")]
    #[doc(alias = "cursor-position")]
    fn position(&self) -> i32 {
        unsafe { ffi::gtk_editable_get_position(self.as_ref().to_glib_none().0) }
    }

    /// Retrieves the selection bound of the editable.
    ///
    /// @start_pos will be filled with the start of the selection and
    /// @end_pos with end. If no text was selected both will be identical
    /// and [`false`] will be returned.
    ///
    /// Note that positions are specified in characters, not bytes.
    ///
    /// # Returns
    ///
    /// [`true`] if there is a non-empty selection, [`false`] otherwise
    ///
    /// ## `start_pos`
    /// location to store the starting position
    ///
    /// ## `end_pos`
    /// location to store the end position
    #[doc(alias = "gtk_editable_get_selection_bounds")]
    #[doc(alias = "get_selection_bounds")]
    fn selection_bounds(&self) -> Option<(i32, i32)> {
        unsafe {
            let mut start_pos = std::mem::MaybeUninit::uninit();
            let mut end_pos = std::mem::MaybeUninit::uninit();
            let ret = from_glib(ffi::gtk_editable_get_selection_bounds(
                self.as_ref().to_glib_none().0,
                start_pos.as_mut_ptr(),
                end_pos.as_mut_ptr(),
            ));
            if ret {
                Some((start_pos.assume_init(), end_pos.assume_init()))
            } else {
                None
            }
        }
    }

    /// Retrieves the contents of @self.
    ///
    /// The returned string is owned by GTK and must not be modified or freed.
    ///
    /// # Returns
    ///
    /// a pointer to the contents of the editable
    #[doc(alias = "gtk_editable_get_text")]
    #[doc(alias = "get_text")]
    fn text(&self) -> glib::GString {
        unsafe { from_glib_none(ffi::gtk_editable_get_text(self.as_ref().to_glib_none().0)) }
    }

    /// Gets the number of characters of space reserved
    /// for the contents of the editable.
    ///
    /// # Returns
    ///
    /// number of chars to request space for, or negative if unset
    #[doc(alias = "gtk_editable_get_width_chars")]
    #[doc(alias = "get_width_chars")]
    #[doc(alias = "width-chars")]
    fn width_chars(&self) -> i32 {
        unsafe { ffi::gtk_editable_get_width_chars(self.as_ref().to_glib_none().0) }
    }

    /// Sets up a delegate for [`Editable`][crate::Editable].
    ///
    /// This is assuming that the get_delegate vfunc in the [`Editable`][crate::Editable]
    /// interface has been set up for the @self's type.
    ///
    /// This is a helper function that should be called in instance init,
    /// after creating the delegate object.
    #[doc(alias = "gtk_editable_init_delegate")]
    fn init_delegate(&self) {
        unsafe {
            ffi::gtk_editable_init_delegate(self.as_ref().to_glib_none().0);
        }
    }

    /// Inserts @length bytes of @text into the contents of the
    /// widget, at position @position.
    ///
    /// Note that the position is in characters, not in bytes.
    /// The function updates @position to point after the newly
    /// inserted text.
    /// ## `text`
    /// the text to insert
    /// ## `length`
    /// the length of the text in bytes, or -1
    /// ## `position`
    /// location of the position text will be inserted at
    #[doc(alias = "gtk_editable_insert_text")]
    fn insert_text(&self, text: &str, position: &mut i32) {
        let length = text.len() as _;
        unsafe {
            ffi::gtk_editable_insert_text(
                self.as_ref().to_glib_none().0,
                text.to_glib_none().0,
                length,
                position,
            );
        }
    }

    /// Selects a region of text.
    ///
    /// The characters that are selected are those characters at positions
    /// from @start_pos up to, but not including @end_pos. If @end_pos is
    /// negative, then the characters selected are those characters from
    /// @start_pos to  the end of the text.
    ///
    /// Note that positions are specified in characters, not bytes.
    /// ## `start_pos`
    /// start of region
    /// ## `end_pos`
    /// end of region
    #[doc(alias = "gtk_editable_select_region")]
    fn select_region(&self, start_pos: i32, end_pos: i32) {
        unsafe {
            ffi::gtk_editable_select_region(self.as_ref().to_glib_none().0, start_pos, end_pos);
        }
    }

    /// Sets the alignment for the contents of the editable.
    ///
    /// This controls the horizontal positioning of the contents when
    /// the displayed text is shorter than the width of the editable.
    /// ## `xalign`
    /// The horizontal alignment, from 0 (left) to 1 (right).
    ///   Reversed for RTL layouts
    #[doc(alias = "gtk_editable_set_alignment")]
    #[doc(alias = "xalign")]
    fn set_alignment(&self, xalign: f32) {
        unsafe {
            ffi::gtk_editable_set_alignment(self.as_ref().to_glib_none().0, xalign);
        }
    }

    /// Determines if the user can edit the text in the editable widget.
    /// ## `is_editable`
    /// [`true`] if the user is allowed to edit the text
    ///   in the widget
    #[doc(alias = "gtk_editable_set_editable")]
    #[doc(alias = "editable")]
    fn set_editable(&self, is_editable: bool) {
        unsafe {
            ffi::gtk_editable_set_editable(self.as_ref().to_glib_none().0, is_editable.into_glib());
        }
    }

    /// If enabled, changes to @self will be saved for undo/redo
    /// actions.
    ///
    /// This results in an additional copy of text changes and are not
    /// stored in secure memory. As such, undo is forcefully disabled
    /// when [`visibility`][struct@crate::Text#visibility] is set to [`false`].
    /// ## `enable_undo`
    /// if undo/redo should be enabled
    #[doc(alias = "gtk_editable_set_enable_undo")]
    #[doc(alias = "enable-undo")]
    fn set_enable_undo(&self, enable_undo: bool) {
        unsafe {
            ffi::gtk_editable_set_enable_undo(
                self.as_ref().to_glib_none().0,
                enable_undo.into_glib(),
            );
        }
    }

    /// Sets the desired maximum width in characters of @self.
    /// ## `n_chars`
    /// the new desired maximum width, in characters
    #[doc(alias = "gtk_editable_set_max_width_chars")]
    #[doc(alias = "max-width-chars")]
    fn set_max_width_chars(&self, n_chars: i32) {
        unsafe {
            ffi::gtk_editable_set_max_width_chars(self.as_ref().to_glib_none().0, n_chars);
        }
    }

    /// Sets the cursor position in the editable to the given value.
    ///
    /// The cursor is displayed before the character with the given (base 0)
    /// index in the contents of the editable. The value must be less than
    /// or equal to the number of characters in the editable. A value of -1
    /// indicates that the position should be set after the last character
    /// of the editable. Note that @position is in characters, not in bytes.
    /// ## `position`
    /// the position of the cursor
    #[doc(alias = "gtk_editable_set_position")]
    #[doc(alias = "cursor-position")]
    fn set_position(&self, position: i32) {
        unsafe {
            ffi::gtk_editable_set_position(self.as_ref().to_glib_none().0, position);
        }
    }

    /// Sets the text in the editable to the given value.
    ///
    /// This is replacing the current contents.
    /// ## `text`
    /// the text to set
    #[doc(alias = "gtk_editable_set_text")]
    #[doc(alias = "text")]
    fn set_text(&self, text: &str) {
        unsafe {
            ffi::gtk_editable_set_text(self.as_ref().to_glib_none().0, text.to_glib_none().0);
        }
    }

    /// Changes the size request of the editable to be about the
    /// right size for @n_chars characters.
    ///
    /// Note that it changes the size request, the size can still
    /// be affected by how you pack the widget into containers.
    /// If @n_chars is -1, the size reverts to the default size.
    /// ## `n_chars`
    /// width in chars
    #[doc(alias = "gtk_editable_set_width_chars")]
    #[doc(alias = "width-chars")]
    fn set_width_chars(&self, n_chars: i32) {
        unsafe {
            ffi::gtk_editable_set_width_chars(self.as_ref().to_glib_none().0, n_chars);
        }
    }

    /// The position of the opposite end of the selection from the cursor in chars.
    #[doc(alias = "selection-bound")]
    fn selection_bound(&self) -> i32 {
        ObjectExt::property(self.as_ref(), "selection-bound")
    }

    /// Emitted at the end of a single user-visible operation on the
    /// contents.
    ///
    /// E.g., a paste operation that replaces the contents of the
    /// selection will cause only one signal emission (even though it
    /// is implemented by first deleting the selection, then inserting
    /// the new content, and may cause multiple ::notify::text signals
    /// to be emitted).
    #[doc(alias = "changed")]
    fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn changed_trampoline<P: IsA<Editable>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkEditable,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"changed\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    changed_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted when text is deleted from the widget by the user.
    ///
    /// The default handler for this signal will normally be responsible for
    /// deleting the text, so by connecting to this signal and then stopping
    /// the signal with g_signal_stop_emission(), it is possible to modify the
    /// range of deleted text, or prevent it from being deleted entirely.
    ///
    /// The @start_pos and @end_pos parameters are interpreted as for
    /// [`delete_text()`][Self::delete_text()].
    /// ## `start_pos`
    /// the starting position
    /// ## `end_pos`
    /// the end position
    #[doc(alias = "delete-text")]
    fn connect_delete_text<F: Fn(&Self, i32, i32) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn delete_text_trampoline<
            P: IsA<Editable>,
            F: Fn(&P, i32, i32) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            start_pos: libc::c_int,
            end_pos: libc::c_int,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(
                Editable::from_glib_borrow(this).unsafe_cast_ref(),
                start_pos,
                end_pos,
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"delete-text\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    delete_text_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "cursor-position")]
    fn connect_cursor_position_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_cursor_position_trampoline<
            P: IsA<Editable>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::cursor-position\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_cursor_position_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "editable")]
    fn connect_editable_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_editable_trampoline<P: IsA<Editable>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::editable\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_editable_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "enable-undo")]
    fn connect_enable_undo_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_enable_undo_trampoline<
            P: IsA<Editable>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::enable-undo\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_enable_undo_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "max-width-chars")]
    fn connect_max_width_chars_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_max_width_chars_trampoline<
            P: IsA<Editable>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::max-width-chars\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_max_width_chars_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "selection-bound")]
    fn connect_selection_bound_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_selection_bound_trampoline<
            P: IsA<Editable>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::selection-bound\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_selection_bound_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "text")]
    fn connect_text_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_text_trampoline<P: IsA<Editable>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::text\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_text_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "width-chars")]
    fn connect_width_chars_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_width_chars_trampoline<
            P: IsA<Editable>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::width-chars\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_width_chars_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "xalign")]
    fn connect_xalign_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_xalign_trampoline<P: IsA<Editable>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkEditable,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(Editable::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::xalign\0".as_ptr() as *const _,
                Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
                    notify_xalign_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl<O: IsA<Editable>> EditableExt for O {}