// 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::BaselinePosition;
use crate::Box;
use crate::Buildable;
use crate::Container;
use crate::Dialog;
use crate::FileChooser;
use crate::FileChooserAction;
use crate::FileFilter;
use crate::Orientable;
use crate::Orientation;
use crate::ResizeMode;
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 [`FileChooserButton`][crate::FileChooserButton] is a widget that lets the user select a
    /// file. It implements the [`FileChooser`][crate::FileChooser] interface. Visually, it is a
    /// file name with a button to bring up a [`FileChooserDialog`][crate::FileChooserDialog].
    /// The user can then use that dialog to change the file associated with
    /// that button. This widget does not support setting the
    /// `property::FileChooser::select-multiple` property to [`true`].
    ///
    /// ## Create a button to let the user select a file in /etc
    ///
    ///
    ///
    /// **⚠️ The following code is in C ⚠️**
    ///
    /// ```C
    /// {
    ///   GtkWidget *button;
    ///
    ///   button = gtk_file_chooser_button_new (_("Select a file"),
    ///                                         GTK_FILE_CHOOSER_ACTION_OPEN);
    ///   gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (button),
    ///                                        "/etc");
    /// }
    /// ```
    ///
    /// The [`FileChooserButton`][crate::FileChooserButton] supports the `GtkFileChooserActions`
    /// [`FileChooserAction::Open`][crate::FileChooserAction::Open] and [`FileChooserAction::SelectFolder`][crate::FileChooserAction::SelectFolder].
    ///
    /// > The [`FileChooserButton`][crate::FileChooserButton] will ellipsize the label, and will thus
    /// > request little horizontal space. To give the button more space,
    /// > you should call [`WidgetExt::preferred_size()`][crate::prelude::WidgetExt::preferred_size()],
    /// > [`FileChooserButtonExt::set_width_chars()`][crate::prelude::FileChooserButtonExt::set_width_chars()], or pack the button in
    /// > such a way that other interface elements give space to the
    /// > widget.
    ///
    /// # CSS nodes
    ///
    /// GtkFileChooserButton has a CSS node with name “filechooserbutton”, containing
    /// a subnode for the internal button with name “button” and style class “.file”.
    ///
    /// # Implements
    ///
    /// [`FileChooserButtonExt`][trait@crate::prelude::FileChooserButtonExt], [`BoxExt`][trait@crate::prelude::BoxExt], [`ContainerExt`][trait@crate::prelude::ContainerExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`OrientableExt`][trait@crate::prelude::OrientableExt], [`FileChooserExt`][trait@crate::prelude::FileChooserExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`BuildableExtManual`][trait@crate::prelude::BuildableExtManual]
    #[doc(alias = "GtkFileChooserButton")]
    pub struct FileChooserButton(Object<ffi::GtkFileChooserButton, ffi::GtkFileChooserButtonClass>) @extends Box, Container, Widget, @implements Buildable, Orientable, FileChooser;

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

impl FileChooserButton {
    /// Creates a new file-selecting button widget.
    /// ## `title`
    /// the title of the browse dialog.
    /// ## `action`
    /// the open mode for the widget.
    ///
    /// # Returns
    ///
    /// a new button widget.
    #[doc(alias = "gtk_file_chooser_button_new")]
    pub fn new(title: &str, action: FileChooserAction) -> FileChooserButton {
        assert_initialized_main_thread!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_file_chooser_button_new(
                title.to_glib_none().0,
                action.into_glib(),
            ))
            .unsafe_cast()
        }
    }

    /// Creates a [`FileChooserButton`][crate::FileChooserButton] widget which uses `dialog` as its
    /// file-picking window.
    ///
    /// Note that `dialog` must be a [`Dialog`][crate::Dialog] (or subclass) which
    /// implements the [`FileChooser`][crate::FileChooser] interface and must not have
    /// [`DialogFlags::DESTROY_WITH_PARENT`][crate::DialogFlags::DESTROY_WITH_PARENT] set.
    ///
    /// Also note that the dialog needs to have its confirmative button
    /// added with response [`ResponseType::Accept`][crate::ResponseType::Accept] or [`ResponseType::Ok`][crate::ResponseType::Ok] in
    /// order for the button to take over the file selected in the dialog.
    /// ## `dialog`
    /// the widget to use as dialog
    ///
    /// # Returns
    ///
    /// a new button widget.
    #[doc(alias = "gtk_file_chooser_button_new_with_dialog")]
    #[doc(alias = "new_with_dialog")]
    pub fn with_dialog<P: IsA<Dialog>>(dialog: &P) -> FileChooserButton {
        skip_assert_initialized!();
        unsafe {
            Widget::from_glib_none(ffi::gtk_file_chooser_button_new_with_dialog(
                dialog.as_ref().to_glib_none().0,
            ))
            .unsafe_cast()
        }
    }

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

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`FileChooserButton`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
pub struct FileChooserButtonBuilder {
    dialog: Option<FileChooser>,
    title: Option<String>,
    width_chars: Option<i32>,
    baseline_position: Option<BaselinePosition>,
    homogeneous: Option<bool>,
    spacing: 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>,
    #[cfg(any(feature = "v3_20", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v3_20")))]
    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>,
    orientation: Option<Orientation>,
    action: Option<FileChooserAction>,
    create_folders: Option<bool>,
    do_overwrite_confirmation: Option<bool>,
    extra_widget: Option<Widget>,
    filter: Option<FileFilter>,
    local_only: Option<bool>,
    preview_widget: Option<Widget>,
    preview_widget_active: Option<bool>,
    select_multiple: Option<bool>,
    show_hidden: Option<bool>,
    use_preview_label: Option<bool>,
}

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

    // rustdoc-stripper-ignore-next
    /// Build the [`FileChooserButton`].
    pub fn build(self) -> FileChooserButton {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref dialog) = self.dialog {
            properties.push(("dialog", dialog));
        }
        if let Some(ref title) = self.title {
            properties.push(("title", title));
        }
        if let Some(ref width_chars) = self.width_chars {
            properties.push(("width-chars", width_chars));
        }
        if let Some(ref baseline_position) = self.baseline_position {
            properties.push(("baseline-position", baseline_position));
        }
        if let Some(ref homogeneous) = self.homogeneous {
            properties.push(("homogeneous", homogeneous));
        }
        if let Some(ref spacing) = self.spacing {
            properties.push(("spacing", spacing));
        }
        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));
        }
        #[cfg(any(feature = "v3_20", feature = "dox"))]
        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 orientation) = self.orientation {
            properties.push(("orientation", orientation));
        }
        if let Some(ref action) = self.action {
            properties.push(("action", action));
        }
        if let Some(ref create_folders) = self.create_folders {
            properties.push(("create-folders", create_folders));
        }
        if let Some(ref do_overwrite_confirmation) = self.do_overwrite_confirmation {
            properties.push(("do-overwrite-confirmation", do_overwrite_confirmation));
        }
        if let Some(ref extra_widget) = self.extra_widget {
            properties.push(("extra-widget", extra_widget));
        }
        if let Some(ref filter) = self.filter {
            properties.push(("filter", filter));
        }
        if let Some(ref local_only) = self.local_only {
            properties.push(("local-only", local_only));
        }
        if let Some(ref preview_widget) = self.preview_widget {
            properties.push(("preview-widget", preview_widget));
        }
        if let Some(ref preview_widget_active) = self.preview_widget_active {
            properties.push(("preview-widget-active", preview_widget_active));
        }
        if let Some(ref select_multiple) = self.select_multiple {
            properties.push(("select-multiple", select_multiple));
        }
        if let Some(ref show_hidden) = self.show_hidden {
            properties.push(("show-hidden", show_hidden));
        }
        if let Some(ref use_preview_label) = self.use_preview_label {
            properties.push(("use-preview-label", use_preview_label));
        }
        glib::Object::new::<FileChooserButton>(&properties)
            .expect("Failed to create an instance of FileChooserButton")
    }

    /// Instance of the [`FileChooserDialog`][crate::FileChooserDialog] associated with the button.
    pub fn dialog<P: IsA<FileChooser>>(mut self, dialog: &P) -> Self {
        self.dialog = Some(dialog.clone().upcast());
        self
    }

    /// Title to put on the [`FileChooserDialog`][crate::FileChooserDialog] associated with the button.
    pub fn title(mut self, title: &str) -> Self {
        self.title = Some(title.to_string());
        self
    }

    /// The width of the entry and label inside the button, in characters.
    pub fn width_chars(mut self, width_chars: i32) -> Self {
        self.width_chars = Some(width_chars);
        self
    }

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

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

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

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

    pub fn child<P: IsA<Widget>>(mut self, child: &P) -> 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.
    #[cfg(any(feature = "v3_20", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v3_20")))]
    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<P: IsA<Container>>(mut self, parent: &P) -> 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
    }

    /// The orientation of the orientable.
    pub fn orientation(mut self, orientation: Orientation) -> Self {
        self.orientation = Some(orientation);
        self
    }

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

    /// Whether a file chooser not in [`FileChooserAction::Open`][crate::FileChooserAction::Open] mode
    /// will offer the user to create new folders.
    pub fn create_folders(mut self, create_folders: bool) -> Self {
        self.create_folders = Some(create_folders);
        self
    }

    /// Whether a file chooser in [`FileChooserAction::Save`][crate::FileChooserAction::Save] mode
    /// will present an overwrite confirmation dialog if the user
    /// selects a file name that already exists.
    pub fn do_overwrite_confirmation(mut self, do_overwrite_confirmation: bool) -> Self {
        self.do_overwrite_confirmation = Some(do_overwrite_confirmation);
        self
    }

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

    pub fn filter(mut self, filter: &FileFilter) -> Self {
        self.filter = Some(filter.clone());
        self
    }

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

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

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

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

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

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

pub const NONE_FILE_CHOOSER_BUTTON: Option<&FileChooserButton> = None;

/// Trait containing all [`struct@FileChooserButton`] methods.
///
/// # Implementors
///
/// [`FileChooserButton`][struct@crate::FileChooserButton]
pub trait FileChooserButtonExt: 'static {
    /// Returns whether the button grabs focus when it is clicked with the mouse.
    /// See [`set_focus_on_click()`][Self::set_focus_on_click()].
    ///
    /// # Deprecated since 3.20
    ///
    /// Use [`WidgetExt::gets_focus_on_click()`][crate::prelude::WidgetExt::gets_focus_on_click()] instead
    ///
    /// # Returns
    ///
    /// [`true`] if the button grabs focus when it is clicked with
    ///  the mouse.
    #[cfg_attr(feature = "v3_20", deprecated = "Since 3.20")]
    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(not(feature = "v3_20"))))]
    #[doc(alias = "gtk_file_chooser_button_get_focus_on_click")]
    #[doc(alias = "get_focus_on_click")]
    fn gets_focus_on_click(&self) -> bool;

    /// Retrieves the title of the browse dialog used by `self`. The returned value
    /// should not be modified or freed.
    ///
    /// # Returns
    ///
    /// a pointer to the browse dialog’s title.
    #[doc(alias = "gtk_file_chooser_button_get_title")]
    #[doc(alias = "get_title")]
    fn title(&self) -> Option<glib::GString>;

    /// Retrieves the width in characters of the `self` widget’s entry and/or label.
    ///
    /// # Returns
    ///
    /// an integer width (in characters) that the button will use to size itself.
    #[doc(alias = "gtk_file_chooser_button_get_width_chars")]
    #[doc(alias = "get_width_chars")]
    fn width_chars(&self) -> i32;

    /// Sets whether the button will grab focus when it is clicked with the mouse.
    /// Making mouse clicks not grab focus is useful in places like toolbars where
    /// you don’t want the keyboard focus removed from the main area of the
    /// application.
    ///
    /// # Deprecated since 3.20
    ///
    /// Use [`WidgetExt::set_focus_on_click()`][crate::prelude::WidgetExt::set_focus_on_click()] instead
    /// ## `focus_on_click`
    /// whether the button grabs focus when clicked with the mouse
    #[cfg_attr(feature = "v3_20", deprecated = "Since 3.20")]
    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(not(feature = "v3_20"))))]
    #[doc(alias = "gtk_file_chooser_button_set_focus_on_click")]
    fn set_focus_on_click(&self, focus_on_click: bool);

    /// Modifies the `title` of the browse dialog used by `self`.
    /// ## `title`
    /// the new browse dialog title.
    #[doc(alias = "gtk_file_chooser_button_set_title")]
    fn set_title(&self, title: &str);

    /// Sets the width (in characters) that `self` will use to `n_chars`.
    /// ## `n_chars`
    /// the new width, in characters.
    #[doc(alias = "gtk_file_chooser_button_set_width_chars")]
    fn set_width_chars(&self, n_chars: i32);

    /// The ::file-set signal is emitted when the user selects a file.
    ///
    /// Note that this signal is only emitted when the user
    /// changes the file.
    #[doc(alias = "file-set")]
    fn connect_file_set<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId;

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

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

impl<O: IsA<FileChooserButton>> FileChooserButtonExt for O {
    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(not(feature = "v3_20"))))]
    fn gets_focus_on_click(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_file_chooser_button_get_focus_on_click(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

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

    fn width_chars(&self) -> i32 {
        unsafe { ffi::gtk_file_chooser_button_get_width_chars(self.as_ref().to_glib_none().0) }
    }

    #[cfg(any(not(feature = "v3_20"), feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(not(feature = "v3_20"))))]
    fn set_focus_on_click(&self, focus_on_click: bool) {
        unsafe {
            ffi::gtk_file_chooser_button_set_focus_on_click(
                self.as_ref().to_glib_none().0,
                focus_on_click.into_glib(),
            );
        }
    }

    fn set_title(&self, title: &str) {
        unsafe {
            ffi::gtk_file_chooser_button_set_title(
                self.as_ref().to_glib_none().0,
                title.to_glib_none().0,
            );
        }
    }

    fn set_width_chars(&self, n_chars: i32) {
        unsafe {
            ffi::gtk_file_chooser_button_set_width_chars(self.as_ref().to_glib_none().0, n_chars);
        }
    }

    fn connect_file_set<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn file_set_trampoline<P: IsA<FileChooserButton>, F: Fn(&P) + 'static>(
            this: *mut ffi::GtkFileChooserButton,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(FileChooserButton::from_glib_borrow(this).unsafe_cast_ref())
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"file-set\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    file_set_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

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

    fn connect_width_chars_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_width_chars_trampoline<
            P: IsA<FileChooserButton>,
            F: Fn(&P) + 'static,
        >(
            this: *mut ffi::GtkFileChooserButton,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(FileChooserButton::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(transmute::<_, unsafe extern "C" fn()>(
                    notify_width_chars_trampoline::<Self, F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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