// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files.git)
// DO NOT EDIT

use crate::Accessible;
use crate::AccessibleRole;
use crate::Align;
use crate::Application;
use crate::AssistantPage;
use crate::AssistantPageType;
use crate::Buildable;
use crate::ConstraintTarget;
use crate::LayoutManager;
use crate::Native;
use crate::Overflow;
use crate::Root;
use crate::ShortcutManager;
use crate::Widget;
use crate::Window;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectExt;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;

glib::wrapper! {
    /// [`Assistant`][crate::Assistant] is used to represent a complex as a series of steps.
    ///
    /// ![An example GtkAssistant](assistant.png)
    ///
    /// Each step consists of one or more pages. [`Assistant`][crate::Assistant] guides the user
    /// through the pages, and controls the page flow to collect the data needed
    /// for the operation.
    ///
    /// [`Assistant`][crate::Assistant] handles which buttons to show and to make sensitive based
    /// on page sequence knowledge and the [`AssistantPageType`][crate::AssistantPageType] of each
    /// page in addition to state information like the *completed* and *committed*
    /// page statuses.
    ///
    /// If you have a case that doesn’t quite fit in [`Assistant`][crate::Assistant]s way of
    /// handling buttons, you can use the [`AssistantPageType::Custom`][crate::AssistantPageType::Custom] page
    /// type and handle buttons yourself.
    ///
    /// [`Assistant`][crate::Assistant] maintains a [`AssistantPage`][crate::AssistantPage] object for each added
    /// child, which holds additional per-child properties. You
    /// obtain the [`AssistantPage`][crate::AssistantPage] for a child with [`page()`][Self::page()].
    ///
    /// # GtkAssistant as GtkBuildable
    ///
    /// The [`Assistant`][crate::Assistant] implementation of the [`Buildable`][crate::Buildable] interface
    /// exposes the @action_area as internal children with the name
    /// “action_area”.
    ///
    /// To add pages to an assistant in [`Builder`][crate::Builder], simply add it as a
    /// child to the [`Assistant`][crate::Assistant] object. If you need to set per-object
    /// properties, create a [`AssistantPage`][crate::AssistantPage] object explicitly, and
    /// set the child widget as a property on it.
    ///
    /// # CSS nodes
    ///
    /// [`Assistant`][crate::Assistant] has a single CSS node with the name window and style
    /// class .assistant.
    ///
    /// # Implements
    ///
    /// [`GtkWindowExt`][trait@crate::prelude::GtkWindowExt], [`WidgetExt`][trait@crate::prelude::WidgetExt], [`trait@glib::ObjectExt`], [`AccessibleExt`][trait@crate::prelude::AccessibleExt], [`BuildableExt`][trait@crate::prelude::BuildableExt], [`ConstraintTargetExt`][trait@crate::prelude::ConstraintTargetExt], [`NativeExt`][trait@crate::prelude::NativeExt], [`RootExt`][trait@crate::prelude::RootExt], [`ShortcutManagerExt`][trait@crate::prelude::ShortcutManagerExt], [`WidgetExtManual`][trait@crate::prelude::WidgetExtManual], [`AccessibleExtManual`][trait@crate::prelude::AccessibleExtManual]
    #[doc(alias = "GtkAssistant")]
    pub struct Assistant(Object<ffi::GtkAssistant>) @extends Window, Widget, @implements Accessible, Buildable, ConstraintTarget, Native, Root, ShortcutManager;

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

impl Assistant {
    /// Creates a new [`Assistant`][crate::Assistant].
    ///
    /// # Returns
    ///
    /// a newly created [`Assistant`][crate::Assistant]
    #[doc(alias = "gtk_assistant_new")]
    pub fn new() -> Assistant {
        assert_initialized_main_thread!();
        unsafe { Widget::from_glib_none(ffi::gtk_assistant_new()).unsafe_cast() }
    }

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

    /// Adds a widget to the action area of a [`Assistant`][crate::Assistant].
    /// ## `child`
    /// a [`Widget`][crate::Widget]
    #[doc(alias = "gtk_assistant_add_action_widget")]
    pub fn add_action_widget(&self, child: &impl IsA<Widget>) {
        unsafe {
            ffi::gtk_assistant_add_action_widget(
                self.to_glib_none().0,
                child.as_ref().to_glib_none().0,
            );
        }
    }

    /// Appends a page to the @self.
    /// ## `page`
    /// a [`Widget`][crate::Widget]
    ///
    /// # Returns
    ///
    /// the index (starting at 0) of the inserted page
    #[doc(alias = "gtk_assistant_append_page")]
    pub fn append_page(&self, page: &impl IsA<Widget>) -> i32 {
        unsafe {
            ffi::gtk_assistant_append_page(self.to_glib_none().0, page.as_ref().to_glib_none().0)
        }
    }

    /// Erases the visited page history.
    ///
    /// GTK will then hide the back button on the current page,
    /// and removes the cancel button from subsequent pages.
    ///
    /// Use this when the information provided up to the current
    /// page is hereafter deemed permanent and cannot be modified
    /// or undone. For example, showing a progress page to track
    /// a long-running, unreversible operation after the user has
    /// clicked apply on a confirmation page.
    #[doc(alias = "gtk_assistant_commit")]
    pub fn commit(&self) {
        unsafe {
            ffi::gtk_assistant_commit(self.to_glib_none().0);
        }
    }

    /// Returns the page number of the current page.
    ///
    /// # Returns
    ///
    /// The index (starting from 0) of the current
    ///   page in the @self, or -1 if the @self has no pages,
    ///   or no current page
    #[doc(alias = "gtk_assistant_get_current_page")]
    #[doc(alias = "get_current_page")]
    pub fn current_page(&self) -> i32 {
        unsafe { ffi::gtk_assistant_get_current_page(self.to_glib_none().0) }
    }

    /// Returns the number of pages in the @self
    ///
    /// # Returns
    ///
    /// the number of pages in the @self
    #[doc(alias = "gtk_assistant_get_n_pages")]
    #[doc(alias = "get_n_pages")]
    pub fn n_pages(&self) -> i32 {
        unsafe { ffi::gtk_assistant_get_n_pages(self.to_glib_none().0) }
    }

    /// Returns the child widget contained in page number @page_num.
    /// ## `page_num`
    /// the index of a page in the @self,
    ///   or -1 to get the last page
    ///
    /// # Returns
    ///
    /// the child widget, or [`None`]
    ///   if @page_num is out of bounds
    #[doc(alias = "gtk_assistant_get_nth_page")]
    #[doc(alias = "get_nth_page")]
    pub fn nth_page(&self, page_num: i32) -> Option<Widget> {
        unsafe {
            from_glib_none(ffi::gtk_assistant_get_nth_page(
                self.to_glib_none().0,
                page_num,
            ))
        }
    }

    /// Returns the [`AssistantPage`][crate::AssistantPage] object for @child.
    /// ## `child`
    /// a child of @self
    ///
    /// # Returns
    ///
    /// the [`AssistantPage`][crate::AssistantPage] for @child
    #[doc(alias = "gtk_assistant_get_page")]
    #[doc(alias = "get_page")]
    pub fn page(&self, child: &impl IsA<Widget>) -> Option<AssistantPage> {
        unsafe {
            from_glib_none(ffi::gtk_assistant_get_page(
                self.to_glib_none().0,
                child.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets whether @page is complete.
    /// ## `page`
    /// a page of @self
    ///
    /// # Returns
    ///
    /// [`true`] if @page is complete.
    #[doc(alias = "gtk_assistant_get_page_complete")]
    #[doc(alias = "get_page_complete")]
    pub fn page_is_complete(&self, page: &impl IsA<Widget>) -> bool {
        unsafe {
            from_glib(ffi::gtk_assistant_get_page_complete(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the title for @page.
    /// ## `page`
    /// a page of @self
    ///
    /// # Returns
    ///
    /// the title for @page
    #[doc(alias = "gtk_assistant_get_page_title")]
    #[doc(alias = "get_page_title")]
    pub fn page_title(&self, page: &impl IsA<Widget>) -> Option<glib::GString> {
        unsafe {
            from_glib_none(ffi::gtk_assistant_get_page_title(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the page type of @page.
    /// ## `page`
    /// a page of @self
    ///
    /// # Returns
    ///
    /// the page type of @page
    #[doc(alias = "gtk_assistant_get_page_type")]
    #[doc(alias = "get_page_type")]
    pub fn page_type(&self, page: &impl IsA<Widget>) -> AssistantPageType {
        unsafe {
            from_glib(ffi::gtk_assistant_get_page_type(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets a list model of the assistant pages.
    ///
    /// # Returns
    ///
    /// A list model of the pages.
    #[doc(alias = "gtk_assistant_get_pages")]
    #[doc(alias = "get_pages")]
    pub fn pages(&self) -> Option<gio::ListModel> {
        unsafe { from_glib_full(ffi::gtk_assistant_get_pages(self.to_glib_none().0)) }
    }

    /// Inserts a page in the @self at a given position.
    /// ## `page`
    /// a [`Widget`][crate::Widget]
    /// ## `position`
    /// the index (starting at 0) at which to insert the page,
    ///   or -1 to append the page to the @self
    ///
    /// # Returns
    ///
    /// the index (starting from 0) of the inserted page
    #[doc(alias = "gtk_assistant_insert_page")]
    pub fn insert_page(&self, page: &impl IsA<Widget>, position: i32) -> i32 {
        unsafe {
            ffi::gtk_assistant_insert_page(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
                position,
            )
        }
    }

    /// Navigate to the next page.
    ///
    /// It is a programming error to call this function when
    /// there is no next page.
    ///
    /// This function is for use when creating pages of the
    /// [`AssistantPageType::Custom`][crate::AssistantPageType::Custom] type.
    #[doc(alias = "gtk_assistant_next_page")]
    pub fn next_page(&self) {
        unsafe {
            ffi::gtk_assistant_next_page(self.to_glib_none().0);
        }
    }

    /// Prepends a page to the @self.
    /// ## `page`
    /// a [`Widget`][crate::Widget]
    ///
    /// # Returns
    ///
    /// the index (starting at 0) of the inserted page
    #[doc(alias = "gtk_assistant_prepend_page")]
    pub fn prepend_page(&self, page: &impl IsA<Widget>) -> i32 {
        unsafe {
            ffi::gtk_assistant_prepend_page(self.to_glib_none().0, page.as_ref().to_glib_none().0)
        }
    }

    /// Navigate to the previous visited page.
    ///
    /// It is a programming error to call this function when
    /// no previous page is available.
    ///
    /// This function is for use when creating pages of the
    /// [`AssistantPageType::Custom`][crate::AssistantPageType::Custom] type.
    #[doc(alias = "gtk_assistant_previous_page")]
    pub fn previous_page(&self) {
        unsafe {
            ffi::gtk_assistant_previous_page(self.to_glib_none().0);
        }
    }

    /// Removes a widget from the action area of a [`Assistant`][crate::Assistant].
    /// ## `child`
    /// a [`Widget`][crate::Widget]
    #[doc(alias = "gtk_assistant_remove_action_widget")]
    pub fn remove_action_widget(&self, child: &impl IsA<Widget>) {
        unsafe {
            ffi::gtk_assistant_remove_action_widget(
                self.to_glib_none().0,
                child.as_ref().to_glib_none().0,
            );
        }
    }

    /// Removes the @page_num’s page from @self.
    /// ## `page_num`
    /// the index of a page in the @self,
    ///   or -1 to remove the last page
    #[doc(alias = "gtk_assistant_remove_page")]
    pub fn remove_page(&self, page_num: i32) {
        unsafe {
            ffi::gtk_assistant_remove_page(self.to_glib_none().0, page_num);
        }
    }

    /// Switches the page to @page_num.
    ///
    /// Note that this will only be necessary in custom buttons,
    /// as the @self flow can be set with
    /// gtk_assistant_set_forward_page_func().
    /// ## `page_num`
    /// index of the page to switch to, starting from 0.
    ///   If negative, the last page will be used. If greater
    ///   than the number of pages in the @self, nothing
    ///   will be done.
    #[doc(alias = "gtk_assistant_set_current_page")]
    pub fn set_current_page(&self, page_num: i32) {
        unsafe {
            ffi::gtk_assistant_set_current_page(self.to_glib_none().0, page_num);
        }
    }

    /// Sets the page forwarding function to be @page_func.
    ///
    /// This function will be used to determine what will be
    /// the next page when the user presses the forward button.
    /// Setting @page_func to [`None`] will make the assistant to
    /// use the default forward function, which just goes to the
    /// next visible page.
    /// ## `page_func`
    /// the `GtkAssistantPageFunc`, or [`None`]
    ///   to use the default one
    #[doc(alias = "gtk_assistant_set_forward_page_func")]
    pub fn set_forward_page_func<P: Fn(i32) -> i32 + 'static>(&self, page_func: P) {
        let page_func_data: Box_<P> = Box_::new(page_func);
        unsafe extern "C" fn page_func_func<P: Fn(i32) -> i32 + 'static>(
            current_page: libc::c_int,
            data: glib::ffi::gpointer,
        ) -> libc::c_int {
            let callback: &P = &*(data as *mut _);
            let res = (*callback)(current_page);
            res
        }
        let page_func = Some(page_func_func::<P> as _);
        unsafe extern "C" fn destroy_func<P: Fn(i32) -> i32 + 'static>(data: glib::ffi::gpointer) {
            let _callback: Box_<P> = Box_::from_raw(data as *mut _);
        }
        let destroy_call3 = Some(destroy_func::<P> as _);
        let super_callback0: Box_<P> = page_func_data;
        unsafe {
            ffi::gtk_assistant_set_forward_page_func(
                self.to_glib_none().0,
                page_func,
                Box_::into_raw(super_callback0) as *mut _,
                destroy_call3,
            );
        }
    }

    /// Sets whether @page contents are complete.
    ///
    /// This will make @self update the buttons state
    /// to be able to continue the task.
    /// ## `page`
    /// a page of @self
    /// ## `complete`
    /// the completeness status of the page
    #[doc(alias = "gtk_assistant_set_page_complete")]
    pub fn set_page_complete(&self, page: &impl IsA<Widget>, complete: bool) {
        unsafe {
            ffi::gtk_assistant_set_page_complete(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
                complete.into_glib(),
            );
        }
    }

    /// Sets a title for @page.
    ///
    /// The title is displayed in the header area of the assistant
    /// when @page is the current page.
    /// ## `page`
    /// a page of @self
    /// ## `title`
    /// the new title for @page
    #[doc(alias = "gtk_assistant_set_page_title")]
    pub fn set_page_title(&self, page: &impl IsA<Widget>, title: &str) {
        unsafe {
            ffi::gtk_assistant_set_page_title(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
                title.to_glib_none().0,
            );
        }
    }

    /// Sets the page type for @page.
    ///
    /// The page type determines the page behavior in the @self.
    /// ## `page`
    /// a page of @self
    /// ## `type_`
    /// the new type for @page
    #[doc(alias = "gtk_assistant_set_page_type")]
    pub fn set_page_type(&self, page: &impl IsA<Widget>, type_: AssistantPageType) {
        unsafe {
            ffi::gtk_assistant_set_page_type(
                self.to_glib_none().0,
                page.as_ref().to_glib_none().0,
                type_.into_glib(),
            );
        }
    }

    /// Forces @self to recompute the buttons state.
    ///
    /// GTK automatically takes care of this in most situations,
    /// e.g. when the user goes to a different page, or when the
    /// visibility or completeness of a page changes.
    ///
    /// One situation where it can be necessary to call this
    /// function is when changing a value on the current page
    /// affects the future page flow of the assistant.
    #[doc(alias = "gtk_assistant_update_buttons_state")]
    pub fn update_buttons_state(&self) {
        unsafe {
            ffi::gtk_assistant_update_buttons_state(self.to_glib_none().0);
        }
    }

    /// [`true`] if the assistant uses a [`HeaderBar`][crate::HeaderBar] for action buttons
    /// instead of the action-area.
    ///
    /// For technical reasons, this property is declared as an integer
    /// property, but you should only set it to [`true`] or [`false`].
    #[doc(alias = "use-header-bar")]
    pub fn use_header_bar(&self) -> i32 {
        glib::ObjectExt::property(self, "use-header-bar")
    }

    /// Emitted when the apply button is clicked.
    ///
    /// The default behavior of the [`Assistant`][crate::Assistant] is to switch to the page
    /// after the current page, unless the current page is the last one.
    ///
    /// A handler for the ::apply signal should carry out the actions for
    /// which the wizard has collected data. If the action takes a long time
    /// to complete, you might consider putting a page of type
    /// [`AssistantPageType::Progress`][crate::AssistantPageType::Progress] after the confirmation page and handle
    /// this operation within the `signal::Assistant::prepare` signal of
    /// the progress page.
    #[doc(alias = "apply")]
    pub fn connect_apply<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn apply_trampoline<F: Fn(&Assistant) + 'static>(
            this: *mut ffi::GtkAssistant,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"apply\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    apply_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted when then the cancel button is clicked.
    #[doc(alias = "cancel")]
    pub fn connect_cancel<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn cancel_trampoline<F: Fn(&Assistant) + 'static>(
            this: *mut ffi::GtkAssistant,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"cancel\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    cancel_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// Emitted either when the close button of a summary page is clicked,
    /// or when the apply button in the last page in the flow (of type
    /// [`AssistantPageType::Confirm`][crate::AssistantPageType::Confirm]) is clicked.
    #[doc(alias = "close")]
    pub fn connect_close<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn close_trampoline<F: Fn(&Assistant) + 'static>(
            this: *mut ffi::GtkAssistant,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"close\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    close_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    /// The action signal for the Escape binding.
    #[doc(alias = "escape")]
    pub fn connect_escape<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn escape_trampoline<F: Fn(&Assistant) + 'static>(
            this: *mut ffi::GtkAssistant,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"escape\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    escape_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    pub fn emit_escape(&self) {
        self.emit_by_name::<()>("escape", &[]);
    }

    /// Emitted when a new page is set as the assistant's current page,
    /// before making the new page visible.
    ///
    /// A handler for this signal can do any preparations which are
    /// necessary before showing @page.
    /// ## `page`
    /// the current page
    #[doc(alias = "prepare")]
    pub fn connect_prepare<F: Fn(&Self, &Widget) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn prepare_trampoline<F: Fn(&Assistant, &Widget) + 'static>(
            this: *mut ffi::GtkAssistant,
            page: *mut ffi::GtkWidget,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this), &from_glib_borrow(page))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"prepare\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    prepare_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[doc(alias = "pages")]
    pub fn connect_pages_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_pages_trampoline<F: Fn(&Assistant) + 'static>(
            this: *mut ffi::GtkAssistant,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::pages\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_pages_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

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

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`Assistant`] objects.
///
/// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html
pub struct AssistantBuilder {
    use_header_bar: Option<i32>,
    application: Option<Application>,
    child: Option<Widget>,
    decorated: Option<bool>,
    default_height: Option<i32>,
    default_widget: Option<Widget>,
    default_width: Option<i32>,
    deletable: Option<bool>,
    destroy_with_parent: Option<bool>,
    display: Option<gdk::Display>,
    focus_visible: Option<bool>,
    focus_widget: Option<Widget>,
    fullscreened: Option<bool>,
    #[cfg(any(feature = "v4_2", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_2")))]
    handle_menubar_accel: Option<bool>,
    hide_on_close: Option<bool>,
    icon_name: Option<String>,
    maximized: Option<bool>,
    mnemonics_visible: Option<bool>,
    modal: Option<bool>,
    resizable: Option<bool>,
    startup_id: Option<String>,
    title: Option<String>,
    #[cfg(any(feature = "v4_6", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_6")))]
    titlebar: Option<Widget>,
    transient_for: Option<Window>,
    can_focus: Option<bool>,
    can_target: Option<bool>,
    css_classes: Option<Vec<String>>,
    css_name: Option<String>,
    cursor: Option<gdk::Cursor>,
    focus_on_click: Option<bool>,
    focusable: Option<bool>,
    halign: Option<Align>,
    has_tooltip: Option<bool>,
    height_request: Option<i32>,
    hexpand: Option<bool>,
    hexpand_set: Option<bool>,
    layout_manager: Option<LayoutManager>,
    margin_bottom: Option<i32>,
    margin_end: Option<i32>,
    margin_start: Option<i32>,
    margin_top: Option<i32>,
    name: Option<String>,
    opacity: Option<f64>,
    overflow: Option<Overflow>,
    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>,
    accessible_role: Option<AccessibleRole>,
}

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

    // rustdoc-stripper-ignore-next
    /// Build the [`Assistant`].
    #[must_use = "The builder must be built to be used"]
    pub fn build(self) -> Assistant {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        if let Some(ref use_header_bar) = self.use_header_bar {
            properties.push(("use-header-bar", use_header_bar));
        }
        if let Some(ref application) = self.application {
            properties.push(("application", application));
        }
        if let Some(ref child) = self.child {
            properties.push(("child", child));
        }
        if let Some(ref decorated) = self.decorated {
            properties.push(("decorated", decorated));
        }
        if let Some(ref default_height) = self.default_height {
            properties.push(("default-height", default_height));
        }
        if let Some(ref default_widget) = self.default_widget {
            properties.push(("default-widget", default_widget));
        }
        if let Some(ref default_width) = self.default_width {
            properties.push(("default-width", default_width));
        }
        if let Some(ref deletable) = self.deletable {
            properties.push(("deletable", deletable));
        }
        if let Some(ref destroy_with_parent) = self.destroy_with_parent {
            properties.push(("destroy-with-parent", destroy_with_parent));
        }
        if let Some(ref display) = self.display {
            properties.push(("display", display));
        }
        if let Some(ref focus_visible) = self.focus_visible {
            properties.push(("focus-visible", focus_visible));
        }
        if let Some(ref focus_widget) = self.focus_widget {
            properties.push(("focus-widget", focus_widget));
        }
        if let Some(ref fullscreened) = self.fullscreened {
            properties.push(("fullscreened", fullscreened));
        }
        #[cfg(any(feature = "v4_2", feature = "dox"))]
        if let Some(ref handle_menubar_accel) = self.handle_menubar_accel {
            properties.push(("handle-menubar-accel", handle_menubar_accel));
        }
        if let Some(ref hide_on_close) = self.hide_on_close {
            properties.push(("hide-on-close", hide_on_close));
        }
        if let Some(ref icon_name) = self.icon_name {
            properties.push(("icon-name", icon_name));
        }
        if let Some(ref maximized) = self.maximized {
            properties.push(("maximized", maximized));
        }
        if let Some(ref mnemonics_visible) = self.mnemonics_visible {
            properties.push(("mnemonics-visible", mnemonics_visible));
        }
        if let Some(ref modal) = self.modal {
            properties.push(("modal", modal));
        }
        if let Some(ref resizable) = self.resizable {
            properties.push(("resizable", resizable));
        }
        if let Some(ref startup_id) = self.startup_id {
            properties.push(("startup-id", startup_id));
        }
        if let Some(ref title) = self.title {
            properties.push(("title", title));
        }
        #[cfg(any(feature = "v4_6", feature = "dox"))]
        if let Some(ref titlebar) = self.titlebar {
            properties.push(("titlebar", titlebar));
        }
        if let Some(ref transient_for) = self.transient_for {
            properties.push(("transient-for", transient_for));
        }
        if let Some(ref can_focus) = self.can_focus {
            properties.push(("can-focus", can_focus));
        }
        if let Some(ref can_target) = self.can_target {
            properties.push(("can-target", can_target));
        }
        if let Some(ref css_classes) = self.css_classes {
            properties.push(("css-classes", css_classes));
        }
        if let Some(ref css_name) = self.css_name {
            properties.push(("css-name", css_name));
        }
        if let Some(ref cursor) = self.cursor {
            properties.push(("cursor", cursor));
        }
        if let Some(ref focus_on_click) = self.focus_on_click {
            properties.push(("focus-on-click", focus_on_click));
        }
        if let Some(ref focusable) = self.focusable {
            properties.push(("focusable", focusable));
        }
        if let Some(ref halign) = self.halign {
            properties.push(("halign", halign));
        }
        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 layout_manager) = self.layout_manager {
            properties.push(("layout-manager", layout_manager));
        }
        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 opacity) = self.opacity {
            properties.push(("opacity", opacity));
        }
        if let Some(ref overflow) = self.overflow {
            properties.push(("overflow", overflow));
        }
        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 accessible_role) = self.accessible_role {
            properties.push(("accessible-role", accessible_role));
        }
        glib::Object::new::<Assistant>(&properties)
            .expect("Failed to create an instance of Assistant")
    }

    /// [`true`] if the assistant uses a [`HeaderBar`][crate::HeaderBar] for action buttons
    /// instead of the action-area.
    ///
    /// For technical reasons, this property is declared as an integer
    /// property, but you should only set it to [`true`] or [`false`].
    pub fn use_header_bar(mut self, use_header_bar: i32) -> Self {
        self.use_header_bar = Some(use_header_bar);
        self
    }

    /// The [`Application`][crate::Application] associated with the window.
    ///
    /// The application will be kept alive for at least as long as it
    /// has any windows associated with it (see g_application_hold()
    /// for a way to keep it alive without windows).
    ///
    /// Normally, the connection between the application and the window
    /// will remain until the window is destroyed, but you can explicitly
    /// remove it by setting the :application property to [`None`].
    pub fn application(mut self, application: &impl IsA<Application>) -> Self {
        self.application = Some(application.clone().upcast());
        self
    }

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

    /// Whether the window should have a frame (also known as *decorations*).
    pub fn decorated(mut self, decorated: bool) -> Self {
        self.decorated = Some(decorated);
        self
    }

    /// The default height of the window.
    pub fn default_height(mut self, default_height: i32) -> Self {
        self.default_height = Some(default_height);
        self
    }

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

    /// The default width of the window.
    pub fn default_width(mut self, default_width: i32) -> Self {
        self.default_width = Some(default_width);
        self
    }

    /// Whether the window frame should have a close button.
    pub fn deletable(mut self, deletable: bool) -> Self {
        self.deletable = Some(deletable);
        self
    }

    /// If this window should be destroyed when the parent is destroyed.
    pub fn destroy_with_parent(mut self, destroy_with_parent: bool) -> Self {
        self.destroy_with_parent = Some(destroy_with_parent);
        self
    }

    /// The display that will display this window.
    pub fn display(mut self, display: &impl IsA<gdk::Display>) -> Self {
        self.display = Some(display.clone().upcast());
        self
    }

    /// Whether 'focus rectangles' are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input
    /// and should not be set by applications.
    pub fn focus_visible(mut self, focus_visible: bool) -> Self {
        self.focus_visible = Some(focus_visible);
        self
    }

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

    /// Whether the window is fullscreen.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::fullscreen()`][crate::prelude::GtkWindowExt::fullscreen()] or [`GtkWindowExt::unfullscreen()`][crate::prelude::GtkWindowExt::unfullscreen()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    pub fn fullscreened(mut self, fullscreened: bool) -> Self {
        self.fullscreened = Some(fullscreened);
        self
    }

    /// Whether the window frame should handle F10 for activating
    /// menubars.
    #[cfg(any(feature = "v4_2", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_2")))]
    pub fn handle_menubar_accel(mut self, handle_menubar_accel: bool) -> Self {
        self.handle_menubar_accel = Some(handle_menubar_accel);
        self
    }

    /// If this window should be hidden when the users clicks the close button.
    pub fn hide_on_close(mut self, hide_on_close: bool) -> Self {
        self.hide_on_close = Some(hide_on_close);
        self
    }

    /// Specifies the name of the themed icon to use as the window icon.
    ///
    /// See [`IconTheme`][crate::IconTheme] for more details.
    pub fn icon_name(mut self, icon_name: &str) -> Self {
        self.icon_name = Some(icon_name.to_string());
        self
    }

    /// Whether the window is maximized.
    ///
    /// Setting this property is the equivalent of calling
    /// [`GtkWindowExt::maximize()`][crate::prelude::GtkWindowExt::maximize()] or [`GtkWindowExt::unmaximize()`][crate::prelude::GtkWindowExt::unmaximize()];
    /// either operation is asynchronous, which means you will need to
    /// connect to the ::notify signal in order to know whether the
    /// operation was successful.
    pub fn maximized(mut self, maximized: bool) -> Self {
        self.maximized = Some(maximized);
        self
    }

    /// Whether mnemonics are currently visible in this window.
    ///
    /// This property is maintained by GTK based on user input,
    /// and should not be set by applications.
    pub fn mnemonics_visible(mut self, mnemonics_visible: bool) -> Self {
        self.mnemonics_visible = Some(mnemonics_visible);
        self
    }

    /// If [`true`], the window is modal.
    pub fn modal(mut self, modal: bool) -> Self {
        self.modal = Some(modal);
        self
    }

    /// If [`true`], users can resize the window.
    pub fn resizable(mut self, resizable: bool) -> Self {
        self.resizable = Some(resizable);
        self
    }

    /// A write-only property for setting window's startup notification identifier.
    pub fn startup_id(mut self, startup_id: &str) -> Self {
        self.startup_id = Some(startup_id.to_string());
        self
    }

    /// The title of the window.
    pub fn title(mut self, title: &str) -> Self {
        self.title = Some(title.to_string());
        self
    }

    /// The titlebar widget.
    #[cfg(any(feature = "v4_6", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_6")))]
    pub fn titlebar(mut self, titlebar: &impl IsA<Widget>) -> Self {
        self.titlebar = Some(titlebar.clone().upcast());
        self
    }

    /// The transient parent of the window.
    pub fn transient_for(mut self, transient_for: &impl IsA<Window>) -> Self {
        self.transient_for = Some(transient_for.clone().upcast());
        self
    }

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

    /// Whether the widget can receive pointer events.
    pub fn can_target(mut self, can_target: bool) -> Self {
        self.can_target = Some(can_target);
        self
    }

    /// A list of css classes applied to this widget.
    pub fn css_classes(mut self, css_classes: Vec<String>) -> Self {
        self.css_classes = Some(css_classes);
        self
    }

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

    /// The cursor used by @widget.
    pub fn cursor(mut self, cursor: &gdk::Cursor) -> Self {
        self.cursor = Some(cursor.clone());
        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.
    pub fn focus_on_click(mut self, focus_on_click: bool) -> Self {
        self.focus_on_click = Some(focus_on_click);
        self
    }

    /// Whether this widget itself will accept the input focus.
    pub fn focusable(mut self, focusable: bool) -> Self {
        self.focusable = Some(focusable);
        self
    }

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

    /// 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 `signal::Widget::query-tooltip` to
    /// determine whether it will provide a tooltip or not.
    pub fn has_tooltip(mut self, has_tooltip: bool) -> Self {
        self.has_tooltip = Some(has_tooltip);
        self
    }

    /// Override for height request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn height_request(mut self, height_request: i32) -> Self {
        self.height_request = Some(height_request);
        self
    }

    /// Whether to expand horizontally.
    pub fn hexpand(mut self, hexpand: bool) -> Self {
        self.hexpand = Some(hexpand);
        self
    }

    /// Whether to use the `hexpand` property.
    pub fn hexpand_set(mut self, hexpand_set: bool) -> Self {
        self.hexpand_set = Some(hexpand_set);
        self
    }

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

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

    /// The requested opacity of the widget.
    pub fn opacity(mut self, opacity: f64) -> Self {
        self.opacity = Some(opacity);
        self
    }

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

    /// Whether the widget will receive the default action when it is focused.
    pub fn receives_default(mut self, receives_default: bool) -> Self {
        self.receives_default = Some(receives_default);
        self
    }

    /// Whether the widget responds to input.
    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 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`]:
    /// `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.
    pub fn valign(mut self, valign: Align) -> Self {
        self.valign = Some(valign);
        self
    }

    /// Whether to expand vertically.
    pub fn vexpand(mut self, vexpand: bool) -> Self {
        self.vexpand = Some(vexpand);
        self
    }

    /// Whether to use the `vexpand` property.
    pub fn vexpand_set(mut self, vexpand_set: bool) -> Self {
        self.vexpand_set = Some(vexpand_set);
        self
    }

    /// Whether the widget is visible.
    pub fn visible(mut self, visible: bool) -> Self {
        self.visible = Some(visible);
        self
    }

    /// Override for width request of the widget.
    ///
    /// If this is -1, the natural request will be used.
    pub fn width_request(mut self, width_request: i32) -> Self {
        self.width_request = Some(width_request);
        self
    }

    /// The accessible role of the given [`Accessible`][crate::Accessible] implementation.
    ///
    /// The accessible role cannot be changed once set.
    pub fn accessible_role(mut self, accessible_role: AccessibleRole) -> Self {
        self.accessible_role = Some(accessible_role);
        self
    }
}

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