// 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::Window;
use glib::object::Cast;
use glib::object::IsA;
use glib::object::ObjectType as ObjectType_;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use std::pin::Pin;
use std::ptr;

glib::wrapper! {
    /// A [`ColorDialog`][crate::ColorDialog] object collects the arguments that
    /// are needed to present a color chooser dialog to the
    /// user, such as a title for the dialog and whether it
    /// should be modal.
    ///
    /// The dialog is shown with the [`choose_rgba()`][Self::choose_rgba()]
    /// function. This API follows the GIO async pattern, and the
    /// result can be obtained by calling
    /// `Gtk::ColorDialog::choose_rgba_finish()`.
    ///
    /// See [`ColorDialogButton`][crate::ColorDialogButton] for a convenient control
    /// that uses [`ColorDialog`][crate::ColorDialog] and presents the results.
    ///
    /// # Implements
    ///
    /// [`trait@glib::ObjectExt`]
    #[doc(alias = "GtkColorDialog")]
    pub struct ColorDialog(Object<ffi::GtkColorDialog, ffi::GtkColorDialogClass>);

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

impl ColorDialog {
    /// Creates a new [`ColorDialog`][crate::ColorDialog] object.
    ///
    /// # Returns
    ///
    /// the new [`ColorDialog`][crate::ColorDialog]
    #[doc(alias = "gtk_color_dialog_new")]
    pub fn new() -> ColorDialog {
        assert_initialized_main_thread!();
        unsafe { from_glib_full(ffi::gtk_color_dialog_new()) }
    }

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

    /// This function initiates a color choice operation by
    /// presenting a color chooser dialog to the user.
    ///
    /// The @callback will be called when the dialog is dismissed.
    /// It should call `Gtk::ColorDialog::choose_rgba_finish()`
    /// to obtain the result.
    /// ## `parent`
    /// the parent [`Window`][crate::Window]
    /// ## `initial_color`
    /// the color to select initially
    /// ## `cancellable`
    /// a `GCancellable` to cancel the operation
    /// ## `callback`
    /// a callback to call when the operation is complete
    #[doc(alias = "gtk_color_dialog_choose_rgba")]
    pub fn choose_rgba<P: FnOnce(Result<gdk::RGBA, glib::Error>) + 'static>(
        &self,
        parent: Option<&impl IsA<Window>>,
        initial_color: Option<&gdk::RGBA>,
        cancellable: Option<&impl IsA<gio::Cancellable>>,
        callback: P,
    ) {
        let main_context = glib::MainContext::ref_thread_default();
        let is_main_context_owner = main_context.is_owner();
        let has_acquired_main_context = (!is_main_context_owner)
            .then(|| main_context.acquire().ok())
            .flatten();
        assert!(
            is_main_context_owner || has_acquired_main_context.is_some(),
            "Async operations only allowed if the thread is owning the MainContext"
        );

        let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
            Box_::new(glib::thread_guard::ThreadGuard::new(callback));
        unsafe extern "C" fn choose_rgba_trampoline<
            P: FnOnce(Result<gdk::RGBA, glib::Error>) + 'static,
        >(
            _source_object: *mut glib::gobject_ffi::GObject,
            res: *mut gio::ffi::GAsyncResult,
            user_data: glib::ffi::gpointer,
        ) {
            let mut error = ptr::null_mut();
            let ret =
                ffi::gtk_color_dialog_choose_rgba_finish(_source_object as *mut _, res, &mut error);
            let result = if error.is_null() {
                Ok(from_glib_full(ret))
            } else {
                Err(from_glib_full(error))
            };
            let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
                Box_::from_raw(user_data as *mut _);
            let callback: P = callback.into_inner();
            callback(result);
        }
        let callback = choose_rgba_trampoline::<P>;
        unsafe {
            ffi::gtk_color_dialog_choose_rgba(
                self.to_glib_none().0,
                parent.map(|p| p.as_ref()).to_glib_none().0,
                initial_color.to_glib_none().0,
                cancellable.map(|p| p.as_ref()).to_glib_none().0,
                Some(callback),
                Box_::into_raw(user_data) as *mut _,
            );
        }
    }

    pub fn choose_rgba_future(
        &self,
        parent: Option<&(impl IsA<Window> + Clone + 'static)>,
        initial_color: Option<&gdk::RGBA>,
    ) -> Pin<Box_<dyn std::future::Future<Output = Result<gdk::RGBA, glib::Error>> + 'static>> {
        let parent = parent.map(ToOwned::to_owned);
        let initial_color = initial_color.map(ToOwned::to_owned);
        Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
            obj.choose_rgba(
                parent.as_ref().map(::std::borrow::Borrow::borrow),
                initial_color.as_ref().map(::std::borrow::Borrow::borrow),
                Some(cancellable),
                move |res| {
                    send.resolve(res);
                },
            );
        }))
    }

    /// Returns whether the color chooser dialog
    /// blocks interaction with the parent window
    /// while it is presented.
    ///
    /// # Returns
    ///
    /// `TRUE` if the color chooser dialog is modal
    #[doc(alias = "gtk_color_dialog_get_modal")]
    #[doc(alias = "get_modal")]
    pub fn is_modal(&self) -> bool {
        unsafe { from_glib(ffi::gtk_color_dialog_get_modal(self.to_glib_none().0)) }
    }

    /// Returns the title that will be shown on the
    /// color chooser dialog.
    ///
    /// # Returns
    ///
    /// the title
    #[doc(alias = "gtk_color_dialog_get_title")]
    #[doc(alias = "get_title")]
    pub fn title(&self) -> glib::GString {
        unsafe { from_glib_none(ffi::gtk_color_dialog_get_title(self.to_glib_none().0)) }
    }

    /// Returns whether colors may have alpha.
    ///
    /// # Returns
    ///
    /// `TRUE` if colors may have alpha
    #[doc(alias = "gtk_color_dialog_get_with_alpha")]
    #[doc(alias = "get_with_alpha")]
    pub fn is_with_alpha(&self) -> bool {
        unsafe { from_glib(ffi::gtk_color_dialog_get_with_alpha(self.to_glib_none().0)) }
    }

    /// Sets whether the color chooser dialog
    /// blocks interaction with the parent window
    /// while it is presented.
    /// ## `modal`
    /// the new value
    #[doc(alias = "gtk_color_dialog_set_modal")]
    pub fn set_modal(&self, modal: bool) {
        unsafe {
            ffi::gtk_color_dialog_set_modal(self.to_glib_none().0, modal.into_glib());
        }
    }

    /// Sets the title that will be shown on the
    /// color chooser dialog.
    /// ## `title`
    /// the new title
    #[doc(alias = "gtk_color_dialog_set_title")]
    pub fn set_title(&self, title: &str) {
        unsafe {
            ffi::gtk_color_dialog_set_title(self.to_glib_none().0, title.to_glib_none().0);
        }
    }

    /// Sets whether colors may have alpha.
    /// ## `with_alpha`
    /// the new value
    #[doc(alias = "gtk_color_dialog_set_with_alpha")]
    pub fn set_with_alpha(&self, with_alpha: bool) {
        unsafe {
            ffi::gtk_color_dialog_set_with_alpha(self.to_glib_none().0, with_alpha.into_glib());
        }
    }

    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    #[doc(alias = "modal")]
    pub fn connect_modal_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_modal_trampoline<F: Fn(&ColorDialog) + 'static>(
            this: *mut ffi::GtkColorDialog,
            _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::modal\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_modal_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    #[doc(alias = "title")]
    pub fn connect_title_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_title_trampoline<F: Fn(&ColorDialog) + 'static>(
            this: *mut ffi::GtkColorDialog,
            _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::title\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_title_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    #[doc(alias = "with-alpha")]
    pub fn connect_with_alpha_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn notify_with_alpha_trampoline<F: Fn(&ColorDialog) + 'static>(
            this: *mut ffi::GtkColorDialog,
            _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::with-alpha\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_with_alpha_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

#[cfg(any(feature = "v4_10", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
impl Default for ColorDialog {
    fn default() -> Self {
        Self::new()
    }
}

#[derive(Clone, Default)]
// rustdoc-stripper-ignore-next
/// A [builder-pattern] type to construct [`ColorDialog`] 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 ColorDialogBuilder {
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    modal: Option<bool>,
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    title: Option<String>,
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    with_alpha: Option<bool>,
}

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

    // rustdoc-stripper-ignore-next
    /// Build the [`ColorDialog`].
    #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"]
    pub fn build(self) -> ColorDialog {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        #[cfg(any(feature = "v4_10", feature = "dox"))]
        if let Some(ref modal) = self.modal {
            properties.push(("modal", modal));
        }
        #[cfg(any(feature = "v4_10", feature = "dox"))]
        if let Some(ref title) = self.title {
            properties.push(("title", title));
        }
        #[cfg(any(feature = "v4_10", feature = "dox"))]
        if let Some(ref with_alpha) = self.with_alpha {
            properties.push(("with-alpha", with_alpha));
        }
        glib::Object::new::<ColorDialog>(&properties)
    }

    /// Whether the color chooser dialog is modal.
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    pub fn modal(mut self, modal: bool) -> Self {
        self.modal = Some(modal);
        self
    }

    /// A title that may be shown on the color chooser
    /// dialog that is presented by [`ColorDialog::choose_rgba()`][crate::ColorDialog::choose_rgba()].
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    pub fn title(mut self, title: &str) -> Self {
        self.title = Some(title.to_string());
        self
    }

    /// Whether colors may have alpha (translucency).
    ///
    /// When with-alpha is [`false`], the color that is selected
    /// will be forced to have alpha == 1.
    #[cfg(any(feature = "v4_10", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v4_10")))]
    pub fn with_alpha(mut self, with_alpha: bool) -> Self {
        self.with_alpha = Some(with_alpha);
        self
    }
}

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