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// Take a look at the license at the top of the repository in the LICENSE file.

use crate::{CellEditable, CellRenderer, CellRendererState, Widget};
use glib::translate::*;
use glib::IsA;

pub trait CellRendererExtManual {
    /// Passes an activate event to the cell renderer for possible processing.
    /// Some cell renderers may use events; for example, [`CellRendererToggle`][crate::CellRendererToggle]
    /// toggles when it gets a mouse click.
    /// ## `event`
    /// a [`gdk::Event`][crate::gdk::Event]
    /// ## `widget`
    /// widget that received the event
    /// ## `path`
    /// widget-dependent string representation of the event location;
    ///  e.g. for [`TreeView`][crate::TreeView], a string representation of [`TreePath`][crate::TreePath]
    /// ## `background_area`
    /// background area as passed to `gtk_cell_renderer_render()`
    /// ## `cell_area`
    /// cell area as passed to `gtk_cell_renderer_render()`
    /// ## `flags`
    /// render flags
    ///
    /// # Returns
    ///
    /// [`true`] if the event was consumed/handled
    #[doc(alias = "gtk_cell_renderer_activate")]
    fn activate<Q: IsA<Widget>, R: AsRef<gdk::Event>>(
        &self,
        event: &R,
        widget: &Q,
        path: &str,
        background_area: &gdk::Rectangle,
        cell_area: &gdk::Rectangle,
        flags: CellRendererState,
    ) -> bool;

    /// Starts editing the contents of this `self`, through a new [`CellEditable`][crate::CellEditable]
    /// widget created by the [`CellRenderer`][crate::CellRenderer]Class.start_editing virtual function.
    /// ## `event`
    /// a [`gdk::Event`][crate::gdk::Event]
    /// ## `widget`
    /// widget that received the event
    /// ## `path`
    /// widget-dependent string representation of the event location;
    ///  e.g. for [`TreeView`][crate::TreeView], a string representation of [`TreePath`][crate::TreePath]
    /// ## `background_area`
    /// background area as passed to `gtk_cell_renderer_render()`
    /// ## `cell_area`
    /// cell area as passed to `gtk_cell_renderer_render()`
    /// ## `flags`
    /// render flags
    ///
    /// # Returns
    ///
    /// A new [`CellEditable`][crate::CellEditable] for editing this
    ///  `self`, or [`None`] if editing is not possible
    #[doc(alias = "gtk_cell_renderer_start_editing")]
    fn start_editing<Q: IsA<Widget>, R: AsRef<gdk::Event>>(
        &self,
        event: Option<&R>,
        widget: &Q,
        path: &str,
        background_area: &gdk::Rectangle,
        cell_area: &gdk::Rectangle,
        flags: CellRendererState,
    ) -> Option<CellEditable>;
}

impl<O: IsA<CellRenderer>> CellRendererExtManual for O {
    fn activate<Q: IsA<Widget>, R: AsRef<gdk::Event>>(
        &self,
        event: &R,
        widget: &Q,
        path: &str,
        background_area: &gdk::Rectangle,
        cell_area: &gdk::Rectangle,
        flags: CellRendererState,
    ) -> bool {
        unsafe {
            from_glib(ffi::gtk_cell_renderer_activate(
                self.as_ref().to_glib_none().0,
                event.as_ref().to_glib_none().0,
                widget.as_ref().to_glib_none().0,
                path.to_glib_none().0,
                background_area.to_glib_none().0,
                cell_area.to_glib_none().0,
                flags.into_glib(),
            ))
        }
    }

    fn start_editing<Q: IsA<Widget>, R: AsRef<gdk::Event>>(
        &self,
        event: Option<&R>,
        widget: &Q,
        path: &str,
        background_area: &gdk::Rectangle,
        cell_area: &gdk::Rectangle,
        flags: CellRendererState,
    ) -> Option<CellEditable> {
        unsafe {
            from_glib_none(ffi::gtk_cell_renderer_start_editing(
                self.as_ref().to_glib_none().0,
                event.map(|e| e.as_ref()).to_glib_none().0,
                widget.as_ref().to_glib_none().0,
                path.to_glib_none().0,
                background_area.to_glib_none().0,
                cell_area.to_glib_none().0,
                flags.into_glib(),
            ))
        }
    }
}