// 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::Align;
use crate::AppChooser;
use crate::Bin;
use crate::Buildable;
use crate::CellArea;
use crate::CellEditable;
use crate::CellLayout;
use crate::ComboBox;
use crate::Container;
use crate::ResizeMode;
use crate::SensitivityType;
use crate::TreeModel;
use crate::Widget;
use glib::object::Cast;
use glib::object::IsA;
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! {
    /// The [`AppChooserButton`][crate::AppChooserButton] is a widget that lets the user select
    /// an application. It implements the [`AppChooser`][crate::AppChooser] interface.
    ///
    /// Initially, a [`AppChooserButton`][crate::AppChooserButton] selects the first application
    /// in its list, which will either be the most-recently used application
    /// or, if `property::AppChooserButton::show-default-item` is [`true`], the
    /// default application.
    ///
    /// The list of applications shown in a [`AppChooserButton`][crate::AppChooserButton] includes
    /// the recommended applications for the given content type. When
    /// `property::AppChooserButton::show-default-item` is set, the default application
    /// is also included. To let the user chooser other applications,
    /// you can set the `property::AppChooserButton::show-dialog-item` property,
    /// which allows to open a full [`AppChooserDialog`][crate::AppChooserDialog].
    ///
    /// It is possible to add custom items to the list, using
    /// [`AppChooserButtonExt::append_custom_item()`][crate::prelude::AppChooserButtonExt::append_custom_item()]. These items cause
    /// the `signal::AppChooserButton::custom-item-activated` signal to be
    /// emitted when they are selected.
    ///
    /// To track changes in the selected application, use the
    /// `signal::ComboBox::changed` signal.
    ///
    /// # Implements
    ///
    /// [`AppChooserButtonExt`][trait@crate::prelude::AppChooserButtonExt], [`ComboBoxExt`][trait@crate::prelude::ComboBoxExt], [`BinExt`][trait@crate::prelude::BinExt], [`ContainerExt`][trait@crate::prelude::ContainerExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`CellEditableExt`][trait@crate::prelude::CellEditableExt], [`CellLayoutExt`][trait@crate::prelude::CellLayoutExt], [`AppChooserExt`][trait@crate::prelude::AppChooserExt], [`ComboBoxExtManual`][trait@crate::prelude::ComboBoxExtManual], [`ContainerExtManual`][trait@crate::prelude::ContainerExtManual], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`BuildableExtManual`][trait@crate::prelude::BuildableExtManual]
    #[doc(alias = "GtkAppChooserButton")]
    pub struct AppChooserButton(Object<ffi::GtkAppChooserButton, ffi::GtkAppChooserButtonClass>) @extends ComboBox, Bin, Container, Widget, @implements Buildable, CellEditable, CellLayout, AppChooser;

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

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

    /// Creates a new [`AppChooserButton`][crate::AppChooserButton] for applications
    /// that can handle content of the given type.
    /// ## `content_type`
    /// the content type to show applications for
    ///
    /// # Returns
    ///
    /// a newly created [`AppChooserButton`][crate::AppChooserButton]
    #[doc(alias = "gtk_app_chooser_button_new")]
    pub fn new(content_type: &str) -> AppChooserButton {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_app_chooser_button_new(
                content_type.to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

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

impl Default for AppChooserButton {
    fn default() -> Self {
        glib::object::Object::new::<Self>(&[])
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`AppChooserButton`] 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 AppChooserButtonBuilder {
    heading: Option<String>,
    show_default_item: Option<bool>,
    show_dialog_item: Option<bool>,
    active: Option<i32>,
    active_id: Option<String>,
    button_sensitivity: Option<SensitivityType>,
    cell_area: Option<CellArea>,
    column_span_column: Option<i32>,
    entry_text_column: Option<i32>,
    has_entry: Option<bool>,
    has_frame: Option<bool>,
    id_column: Option<i32>,
    model: Option<TreeModel>,
    popup_fixed_width: Option<bool>,
    row_span_column: Option<i32>,
    wrap_width: Option<i32>,
    border_width: Option<u32>,
    child: Option<Widget>,
    resize_mode: Option<ResizeMode>,
    app_paintable: Option<bool>,
    can_default: Option<bool>,
    can_focus: Option<bool>,
    events: Option<gdk::EventMask>,
    expand: Option<bool>,
    focus_on_click: Option<bool>,
    halign: Option<Align>,
    has_default: Option<bool>,
    has_focus: Option<bool>,
    has_tooltip: Option<bool>,
    height_request: Option<i32>,
    hexpand: Option<bool>,
    hexpand_set: Option<bool>,
    is_focus: Option<bool>,
    margin: Option<i32>,
    margin_bottom: Option<i32>,
    margin_end: Option<i32>,
    margin_start: Option<i32>,
    margin_top: Option<i32>,
    name: Option<String>,
    no_show_all: Option<bool>,
    opacity: Option<f64>,
    parent: Option<Container>,
    receives_default: Option<bool>,
    sensitive: Option<bool>,
    tooltip_markup: Option<String>,
    tooltip_text: Option<String>,
    valign: Option<Align>,
    vexpand: Option<bool>,
    vexpand_set: Option<bool>,
    visible: Option<bool>,
    width_request: Option<i32>,
    editing_canceled: Option<bool>,
    content_type: Option<String>,
}

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

    // rustdoc-stripper-ignore-next
    /// Build the [`AppChooserButton`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> AppChooserButton {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref heading) = self.heading {
            properties.push(("heading", heading));
        }
        if let Some(ref show_default_item) = self.show_default_item {
            properties.push(("show-default-item", show_default_item));
        }
        if let Some(ref show_dialog_item) = self.show_dialog_item {
            properties.push(("show-dialog-item", show_dialog_item));
        }
        if let Some(ref active) = self.active {
            properties.push(("active", active));
        }
        if let Some(ref active_id) = self.active_id {
            properties.push(("active-id", active_id));
        }
        if let Some(ref button_sensitivity) = self.button_sensitivity {
            properties.push(("button-sensitivity", button_sensitivity));
        }
        if let Some(ref cell_area) = self.cell_area {
            properties.push(("cell-area", cell_area));
        }
        if let Some(ref column_span_column) = self.column_span_column {
            properties.push(("column-span-column", column_span_column));
        }
        if let Some(ref entry_text_column) = self.entry_text_column {
            properties.push(("entry-text-column", entry_text_column));
        }
        if let Some(ref has_entry) = self.has_entry {
            properties.push(("has-entry", has_entry));
        }
        if let Some(ref has_frame) = self.has_frame {
            properties.push(("has-frame", has_frame));
        }
        if let Some(ref id_column) = self.id_column {
            properties.push(("id-column", id_column));
        }
        if let Some(ref model) = self.model {
            properties.push(("model", model));
        }
        if let Some(ref popup_fixed_width) = self.popup_fixed_width {
            properties.push(("popup-fixed-width", popup_fixed_width));
        }
        if let Some(ref row_span_column) = self.row_span_column {
            properties.push(("row-span-column", row_span_column));
        }
        if let Some(ref wrap_width) = self.wrap_width {
            properties.push(("wrap-width", wrap_width));
        }
        if let Some(ref border_width) = self.border_width {
            properties.push(("border-width", border_width));
        }
        if let Some(ref child) = self.child {
            properties.push(("child", child));
        }
        if let Some(ref resize_mode) = self.resize_mode {
            properties.push(("resize-mode", resize_mode));
        }
        if let Some(ref app_paintable) = self.app_paintable {
            properties.push(("app-paintable", app_paintable));
        }
        if let Some(ref can_default) = self.can_default {
            properties.push(("can-default", can_default));
        }
        if let Some(ref can_focus) = self.can_focus {
            properties.push(("can-focus", can_focus));
        }
        if let Some(ref events) = self.events {
            properties.push(("events", events));
        }
        if let Some(ref expand) = self.expand {
            properties.push(("expand", expand));
        }
        if let Some(ref focus_on_click) = self.focus_on_click {
            properties.push(("focus-on-click", focus_on_click));
        }
        if let Some(ref halign) = self.halign {
            properties.push(("halign", halign));
        }
        if let Some(ref has_default) = self.has_default {
            properties.push(("has-default", has_default));
        }
        if let Some(ref has_focus) = self.has_focus {
            properties.push(("has-focus", has_focus));
        }
        if let Some(ref has_tooltip) = self.has_tooltip {
            properties.push(("has-tooltip", has_tooltip));
        }
        if let Some(ref height_request) = self.height_request {
            properties.push(("height-request", height_request));
        }
        if let Some(ref hexpand) = self.hexpand {
            properties.push(("hexpand", hexpand));
        }
        if let Some(ref hexpand_set) = self.hexpand_set {
            properties.push(("hexpand-set", hexpand_set));
        }
        if let Some(ref is_focus) = self.is_focus {
            properties.push(("is-focus", is_focus));
        }
        if let Some(ref margin) = self.margin {
            properties.push(("margin", margin));
        }
        if let Some(ref margin_bottom) = self.margin_bottom {
            properties.push(("margin-bottom", margin_bottom));
        }
        if let Some(ref margin_end) = self.margin_end {
            properties.push(("margin-end", margin_end));
        }
        if let Some(ref margin_start) = self.margin_start {
            properties.push(("margin-start", margin_start));
        }
        if let Some(ref margin_top) = self.margin_top {
            properties.push(("margin-top", margin_top));
        }
        if let Some(ref name) = self.name {
            properties.push(("name", name));
        }
        if let Some(ref no_show_all) = self.no_show_all {
            properties.push(("no-show-all", no_show_all));
        }
        if let Some(ref opacity) = self.opacity {
            properties.push(("opacity", opacity));
        }
        if let Some(ref parent) = self.parent {
            properties.push(("parent", parent));
        }
        if let Some(ref receives_default) = self.receives_default {
            properties.push(("receives-default", receives_default));
        }
        if let Some(ref sensitive) = self.sensitive {
            properties.push(("sensitive", sensitive));
        }
        if let Some(ref tooltip_markup) = self.tooltip_markup {
            properties.push(("tooltip-markup", tooltip_markup));
        }
        if let Some(ref tooltip_text) = self.tooltip_text {
            properties.push(("tooltip-text", tooltip_text));
        }
        if let Some(ref valign) = self.valign {
            properties.push(("valign", valign));
        }
        if let Some(ref vexpand) = self.vexpand {
            properties.push(("vexpand", vexpand));
        }
        if let Some(ref vexpand_set) = self.vexpand_set {
            properties.push(("vexpand-set", vexpand_set));
        }
        if let Some(ref visible) = self.visible {
            properties.push(("visible", visible));
        }
        if let Some(ref width_request) = self.width_request {
            properties.push(("width-request", width_request));
        }
        if let Some(ref editing_canceled) = self.editing_canceled {
            properties.push(("editing-canceled", editing_canceled));
        }
        if let Some(ref content_type) = self.content_type {
            properties.push(("content-type", content_type));
        }
        glib::Object::new::<AppChooserButton>(&properties)
    }

    /// The text to show at the top of the dialog that can be
    /// opened from the button. The string may contain Pango markup.
    pub fn heading(mut self, heading: &str) -> Self {
        self.heading = Some(heading.to_string());
        self
    }

    /// The `property::AppChooserButton::show-default-item` property determines
    /// whether the dropdown menu should show the default application
    /// on top for the provided content type.
    pub fn show_default_item(mut self, show_default_item: bool) -> Self {
        self.show_default_item = Some(show_default_item);
        self
    }

    /// The `property::AppChooserButton::show-dialog-item` property determines
    /// whether the dropdown menu should show an item that triggers
    /// a [`AppChooserDialog`][crate::AppChooserDialog] when clicked.
    pub fn show_dialog_item(mut self, show_dialog_item: bool) -> Self {
        self.show_dialog_item = Some(show_dialog_item);
        self
    }

    /// The item which is currently active. If the model is a non-flat treemodel,
    /// and the active item is not an immediate child of the root of the tree,
    /// this property has the value
    /// `gtk_tree_path_get_indices (path)[0]`,
    /// where `path` is the [`TreePath`][crate::TreePath] of the active item.
    pub fn active(mut self, active: i32) -> Self {
        self.active = Some(active);
        self
    }

    /// The value of the ID column of the active row.
    pub fn active_id(mut self, active_id: &str) -> Self {
        self.active_id = Some(active_id.to_string());
        self
    }

    /// Whether the dropdown button is sensitive when
    /// the model is empty.
    pub fn button_sensitivity(mut self, button_sensitivity: SensitivityType) -> Self {
        self.button_sensitivity = Some(button_sensitivity);
        self
    }

    /// The [`CellArea`][crate::CellArea] used to layout cell renderers for this combo box.
    ///
    /// If no area is specified when creating the combo box with [`ComboBox::with_area()`][crate::ComboBox::with_area()]
    /// a horizontally oriented [`CellAreaBox`][crate::CellAreaBox] will be used.
    pub fn cell_area(mut self, cell_area: &impl IsA<CellArea>) -> Self {
        self.cell_area = Some(cell_area.clone().upcast());
        self
    }

    /// If this is set to a non-negative value, it must be the index of a column
    /// of type `G_TYPE_INT` in the model. The value in that column for each item
    /// will determine how many columns that item will span in the popup.
    /// Therefore, values in this column must be greater than zero, and the sum of
    /// an item’s column position + span should not exceed `property::ComboBox::wrap-width`.
    pub fn column_span_column(mut self, column_span_column: i32) -> Self {
        self.column_span_column = Some(column_span_column);
        self
    }

    /// The column in the combo box's model to associate with strings from the entry
    /// if the combo was created with `property::ComboBox::has-entry` = [`true`].
    pub fn entry_text_column(mut self, entry_text_column: i32) -> Self {
        self.entry_text_column = Some(entry_text_column);
        self
    }

    /// Whether the combo box has an entry.
    pub fn has_entry(mut self, has_entry: bool) -> Self {
        self.has_entry = Some(has_entry);
        self
    }

    /// The has-frame property controls whether a frame
    /// is drawn around the entry.
    pub fn has_frame(mut self, has_frame: bool) -> Self {
        self.has_frame = Some(has_frame);
        self
    }

    /// The column in the combo box's model that provides string
    /// IDs for the values in the model, if != -1.
    pub fn id_column(mut self, id_column: i32) -> Self {
        self.id_column = Some(id_column);
        self
    }

    /// The model from which the combo box takes the values shown
    /// in the list.
    pub fn model(mut self, model: &impl IsA<TreeModel>) -> Self {
        self.model = Some(model.clone().upcast());
        self
    }

    /// Whether the popup's width should be a fixed width matching the
    /// allocated width of the combo box.
    pub fn popup_fixed_width(mut self, popup_fixed_width: bool) -> Self {
        self.popup_fixed_width = Some(popup_fixed_width);
        self
    }

    /// If this is set to a non-negative value, it must be the index of a column
    /// of type `G_TYPE_INT` in the model. The value in that column for each item
    /// will determine how many rows that item will span in the popup. Therefore,
    /// values in this column must be greater than zero.
    pub fn row_span_column(mut self, row_span_column: i32) -> Self {
        self.row_span_column = Some(row_span_column);
        self
    }

    /// If wrap-width is set to a positive value, items in the popup will be laid
    /// out along multiple columns, starting a new row on reaching the wrap width.
    pub fn wrap_width(mut self, wrap_width: i32) -> Self {
        self.wrap_width = Some(wrap_width);
        self
    }

    pub fn border_width(mut self, border_width: u32) -> Self {
        self.border_width = Some(border_width);
        self
    }

    pub fn child(mut self, child: &impl IsA<Widget>) -> Self {
        self.child = Some(child.clone().upcast());
        self
    }

    pub fn resize_mode(mut self, resize_mode: ResizeMode) -> Self {
        self.resize_mode = Some(resize_mode);
        self
    }

    pub fn app_paintable(mut self, app_paintable: bool) -> Self {
        self.app_paintable = Some(app_paintable);
        self
    }

    pub fn can_default(mut self, can_default: bool) -> Self {
        self.can_default = Some(can_default);
        self
    }

    pub fn can_focus(mut self, can_focus: bool) -> Self {
        self.can_focus = Some(can_focus);
        self
    }

    pub fn events(mut self, events: gdk::EventMask) -> Self {
        self.events = Some(events);
        self
    }

    /// Whether to expand in both directions. Setting this sets both `property::Widget::hexpand` and `property::Widget::vexpand`
    pub fn expand(mut self, expand: bool) -> Self {
        self.expand = Some(expand);
        self
    }

    /// Whether the widget should grab focus when it is clicked with the mouse.
    ///
    /// This property is only relevant for widgets that can take focus.
    ///
    /// Before 3.20, several widgets (GtkButton, GtkFileChooserButton,
    /// GtkComboBox) implemented this property individually.
    pub fn focus_on_click(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

    /// How to distribute horizontal space if widget gets extra space, see [`Align`][crate::Align]
    pub fn halign(mut self, halign: Align) -> Self {
        self.halign = Some(halign);
        self
    }

    pub fn has_default(mut self, has_default: bool) -> Self {
        self.has_default = Some(has_default);
        self
    }

    pub fn has_focus(mut self, has_focus: bool) -> Self {
        self.has_focus = Some(has_focus);
        self
    }

    /// Enables or disables the emission of `signal::Widget::query-tooltip` on `widget`.
    /// A value of [`true`] indicates that `widget` can have a tooltip, in this case
    /// the widget will be queried using `signal::Widget::query-tooltip` to determine
    /// whether it will provide a tooltip or not.
    ///
    /// Note that setting this property to [`true`] for the first time will change
    /// the event masks of the GdkWindows of this widget to include leave-notify
    /// and motion-notify events. This cannot and will not be undone when the
    /// property is set to [`false`] again.
    pub fn has_tooltip(mut self, has_tooltip: bool) -> Self {
        self.has_tooltip = Some(has_tooltip);
        self
    }

    pub fn height_request(mut self, height_request: i32) -> Self {
        self.height_request = Some(height_request);
        self
    }

    /// Whether to expand horizontally. See [`WidgetExt::set_hexpand()`][crate::prelude::WidgetExt::set_hexpand()].
    pub fn hexpand(mut self, hexpand: bool) -> Self {
        self.hexpand = Some(hexpand);
        self
    }

    /// Whether to use the `property::Widget::hexpand` property. See [`WidgetExt::is_hexpand_set()`][crate::prelude::WidgetExt::is_hexpand_set()].
    pub fn hexpand_set(mut self, hexpand_set: bool) -> Self {
        self.hexpand_set = Some(hexpand_set);
        self
    }

    pub fn is_focus(mut self, is_focus: bool) -> Self {
        self.is_focus = Some(is_focus);
        self
    }

    /// Sets all four sides' margin at once. If read, returns max
    /// margin on any side.
    pub fn margin(mut self, margin: i32) -> Self {
        self.margin = Some(margin);
        self
    }

    /// 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.
    pub fn margin_bottom(mut self, margin_bottom: i32) -> Self {
        self.margin_bottom = Some(margin_bottom);
        self
    }

    /// 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.
    pub fn margin_end(mut self, margin_end: i32) -> Self {
        self.margin_end = Some(margin_end);
        self
    }

    /// 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.
    pub fn margin_start(mut self, margin_start: i32) -> Self {
        self.margin_start = Some(margin_start);
        self
    }

    /// 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.
    pub fn margin_top(mut self, margin_top: i32) -> Self {
        self.margin_top = Some(margin_top);
        self
    }

    pub fn name(mut self, name: &str) -> Self {
        self.name = Some(name.to_string());
        self
    }

    pub fn no_show_all(mut self, no_show_all: bool) -> Self {
        self.no_show_all = Some(no_show_all);
        self
    }

    /// The requested opacity of the widget. See [`WidgetExt::set_opacity()`][crate::prelude::WidgetExt::set_opacity()] for
    /// more details about window opacity.
    ///
    /// Before 3.8 this was only available in GtkWindow
    pub fn opacity(mut self, opacity: f64) -> Self {
        self.opacity = Some(opacity);
        self
    }

    pub fn parent(mut self, parent: &impl IsA<Container>) -> Self {
        self.parent = Some(parent.clone().upcast());
        self
    }

    pub fn receives_default(mut self, receives_default: bool) -> Self {
        self.receives_default = Some(receives_default);
        self
    }

    pub fn sensitive(mut self, sensitive: bool) -> Self {
        self.sensitive = Some(sensitive);
        self
    }

    /// Sets the text of tooltip to be the given string, which is marked up
    /// with the [Pango text markup language][PangoMarkupFormat].
    /// 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`]: `property::Widget::has-tooltip`
    /// will automatically be set to [`true`] and there will be taken care of
    /// `signal::Widget::query-tooltip` in the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and `property::Widget::tooltip-markup`
    /// are set, the last one wins.
    pub fn tooltip_markup(mut self, tooltip_markup: &str) -> Self {
        self.tooltip_markup = Some(tooltip_markup.to_string());
        self
    }

    /// 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`]: `property::Widget::has-tooltip`
    /// will automatically be set to [`true`] and there will be taken care of
    /// `signal::Widget::query-tooltip` in the default signal handler.
    ///
    /// Note that if both `property::Widget::tooltip-text` and `property::Widget::tooltip-markup`
    /// are set, the last one wins.
    pub fn tooltip_text(mut self, tooltip_text: &str) -> Self {
        self.tooltip_text = Some(tooltip_text.to_string());
        self
    }

    /// How to distribute vertical space if widget gets extra space, see [`Align`][crate::Align]
    pub fn valign(mut self, valign: Align) -> Self {
        self.valign = Some(valign);
        self
    }

    /// Whether to expand vertically. See [`WidgetExt::set_vexpand()`][crate::prelude::WidgetExt::set_vexpand()].
    pub fn vexpand(mut self, vexpand: bool) -> Self {
        self.vexpand = Some(vexpand);
        self
    }

    /// Whether to use the `property::Widget::vexpand` property. See [`WidgetExt::is_vexpand_set()`][crate::prelude::WidgetExt::is_vexpand_set()].
    pub fn vexpand_set(mut self, vexpand_set: bool) -> Self {
        self.vexpand_set = Some(vexpand_set);
        self
    }

    pub fn visible(mut self, visible: bool) -> Self {
        self.visible = Some(visible);
        self
    }

    pub fn width_request(mut self, width_request: i32) -> Self {
        self.width_request = Some(width_request);
        self
    }

    /// Indicates whether editing on the cell has been canceled.
    pub fn editing_canceled(mut self, editing_canceled: bool) -> Self {
        self.editing_canceled = Some(editing_canceled);
        self
    }

    /// The content type of the [`AppChooser`][crate::AppChooser] object.
    ///
    /// See [GContentType][gio-GContentType]
    /// for more information about content types.
    pub fn content_type(mut self, content_type: &str) -> Self {
        self.content_type = Some(content_type.to_string());
        self
    }
}

/// Trait containing all [`struct@AppChooserButton`] methods.
///
/// # Implementors
///
/// [`AppChooserButton`][struct@crate::AppChooserButton]
pub trait AppChooserButtonExt: 'static {
    /// Appends a custom item to the list of applications that is shown
    /// in the popup; the item name must be unique per-widget.
    /// Clients can use the provided name as a detail for the
    /// `signal::AppChooserButton::custom-item-activated` signal, to add a
    /// callback for the activation of a particular custom item in the list.
    /// See also [`append_separator()`][Self::append_separator()].
    /// ## `name`
    /// the name of the custom item
    /// ## `label`
    /// the label for the custom item
    /// ## `icon`
    /// the icon for the custom item
    #[doc(alias = "gtk_app_chooser_button_append_custom_item")]
    fn append_custom_item(&self, name: &str, label: &str, icon: &impl IsA<gio::Icon>);

    /// Appends a separator to the list of applications that is shown
    /// in the popup.
    #[doc(alias = "gtk_app_chooser_button_append_separator")]
    fn append_separator(&self);

    /// Returns the text to display at the top of the dialog.
    ///
    /// # Returns
    ///
    /// the text to display at the top of the dialog,
    ///  or [`None`], in which case a default text is displayed
    #[doc(alias = "gtk_app_chooser_button_get_heading")]
    #[doc(alias = "get_heading")]
    fn heading(&self) -> Option<glib::GString>;

    /// Returns the current value of the `property::AppChooserButton::show-default-item`
    /// property.
    ///
    /// # Returns
    ///
    /// the value of `property::AppChooserButton::show-default-item`
    #[doc(alias = "gtk_app_chooser_button_get_show_default_item")]
    #[doc(alias = "get_show_default_item")]
    fn shows_default_item(&self) -> bool;

    /// Returns the current value of the `property::AppChooserButton::show-dialog-item`
    /// property.
    ///
    /// # Returns
    ///
    /// the value of `property::AppChooserButton::show-dialog-item`
    #[doc(alias = "gtk_app_chooser_button_get_show_dialog_item")]
    #[doc(alias = "get_show_dialog_item")]
    fn shows_dialog_item(&self) -> bool;

    /// Selects a custom item previously added with
    /// [`append_custom_item()`][Self::append_custom_item()].
    ///
    /// Use [`AppChooserExtManual::refresh()`][crate::prelude::AppChooserExtManual::refresh()] to bring the selection
    /// to its initial state.
    /// ## `name`
    /// the name of the custom item
    #[doc(alias = "gtk_app_chooser_button_set_active_custom_item")]
    fn set_active_custom_item(&self, name: &str);

    /// Sets the text to display at the top of the dialog.
    /// If the heading is not set, the dialog displays a default text.
    /// ## `heading`
    /// a string containing Pango markup
    #[doc(alias = "gtk_app_chooser_button_set_heading")]
    fn set_heading(&self, heading: &str);

    /// Sets whether the dropdown menu of this button should show the
    /// default application for the given content type at top.
    /// ## `setting`
    /// the new value for `property::AppChooserButton::show-default-item`
    #[doc(alias = "gtk_app_chooser_button_set_show_default_item")]
    fn set_show_default_item(&self, setting: bool);

    /// Sets whether the dropdown menu of this button should show an
    /// entry to trigger a [`AppChooserDialog`][crate::AppChooserDialog].
    /// ## `setting`
    /// the new value for `property::AppChooserButton::show-dialog-item`
    #[doc(alias = "gtk_app_chooser_button_set_show_dialog_item")]
    fn set_show_dialog_item(&self, setting: bool);

    /// Emitted when a custom item, previously added with
    /// [`append_custom_item()`][Self::append_custom_item()], is activated from the
    /// dropdown menu.
    /// ## `item_name`
    /// the name of the activated item
    #[doc(alias = "custom-item-activated")]
    fn connect_custom_item_activated<F: Fn(&Self, &str) + 'static>(
        &self,
        detail: Option<&str>,
        f: F,
    ) -> SignalHandlerId;

    #[doc(alias = "heading")]
    fn connect_heading_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "show-default-item")]
    fn connect_show_default_item_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

    #[doc(alias = "show-dialog-item")]
    fn connect_show_dialog_item_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<AppChooserButton>> AppChooserButtonExt for O {
    fn append_custom_item(&self, name: &str, label: &str, icon: &impl IsA<gio::Icon>) {
        unsafe {
            ffi::gtk_app_chooser_button_append_custom_item(
                self.as_ref().to_glib_none().0,
                name.to_glib_none().0,
                label.to_glib_none().0,
                icon.as_ref().to_glib_none().0,
            );
        }
    }

    fn append_separator(&self) {
        unsafe {
            ffi::gtk_app_chooser_button_append_separator(self.as_ref().to_glib_none().0);
        }
    }

    fn heading(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_app_chooser_button_get_heading(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn shows_default_item(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_app_chooser_button_get_show_default_item(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn shows_dialog_item(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_app_chooser_button_get_show_dialog_item(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn set_active_custom_item(&self, name: &str) {
        unsafe {
            ffi::gtk_app_chooser_button_set_active_custom_item(
                self.as_ref().to_glib_none().0,
                name.to_glib_none().0,
            );
        }
    }

    fn set_heading(&self, heading: &str) {
        unsafe {
            ffi::gtk_app_chooser_button_set_heading(
                self.as_ref().to_glib_none().0,
                heading.to_glib_none().0,
            );
        }
    }

    fn set_show_default_item(&self, setting: bool) {
        unsafe {
            ffi::gtk_app_chooser_button_set_show_default_item(
                self.as_ref().to_glib_none().0,
                setting.into_glib(),
            );
        }
    }

    fn set_show_dialog_item(&self, setting: bool) {
        unsafe {
            ffi::gtk_app_chooser_button_set_show_dialog_item(
                self.as_ref().to_glib_none().0,
                setting.into_glib(),
            );
        }
    }

    fn connect_custom_item_activated<F: Fn(&Self, &str) + 'static>(
        &self,
        detail: Option<&str>,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn custom_item_activated_trampoline<
            P: IsA<AppChooserButton>,
            F: Fn(&P, &str) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            item_name: *mut libc::c_char,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(
                AppChooserButton::from_glib_borrow(this).unsafe_cast_ref(),
                &glib::GString::from_glib_borrow(item_name),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            let detailed_signal_name =
                detail.map(|name| format!("custom-item-activated::{}\0", name));
            let signal_name: &[u8] = detailed_signal_name
                .as_ref()
                .map_or(&b"custom-item-activated\0"[..], |n| n.as_bytes());
            connect_raw(
                self.as_ptr() as *mut _,
                signal_name.as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    custom_item_activated_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_heading_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_heading_trampoline<
            P: IsA<AppChooserButton>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(AppChooserButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::heading\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_heading_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_show_default_item_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_show_default_item_trampoline<
            P: IsA<AppChooserButton>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(AppChooserButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::show-default-item\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_show_default_item_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_show_dialog_item_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_show_dialog_item_trampoline<
            P: IsA<AppChooserButton>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkAppChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(AppChooserButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::show-dialog-item\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_show_dialog_item_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for AppChooserButton {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("AppChooserButton")
    }
}