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// 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
#![allow(deprecated)]

use crate::TreePath;
use glib::{prelude::*, translate::*};
use std::fmt;

glib::wrapper! {
    /// List views use widgets to display their contents.
    ///   You can use [`DropTarget`][crate::DropTarget] to implement a drop destination
    /// Interface for Drag-and-Drop destinations in [`TreeView`][crate::TreeView].
    ///
    /// # Implements
    ///
    /// [`TreeDragDestExt`][trait@crate::prelude::TreeDragDestExt]
    #[doc(alias = "GtkTreeDragDest")]
    pub struct TreeDragDest(Interface<ffi::GtkTreeDragDest, ffi::GtkTreeDragDestIface>);

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

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

/// Trait containing all [`struct@TreeDragDest`] methods.
///
/// # Implementors
///
/// [`ListStore`][struct@crate::ListStore], [`TreeDragDest`][struct@crate::TreeDragDest], [`TreeStore`][struct@crate::TreeStore]
pub trait TreeDragDestExt: 'static {
    /// Asks the [`TreeDragDest`][crate::TreeDragDest] to insert a row before the path @dest,
    /// deriving the contents of the row from @value. If @dest is
    /// outside the tree so that inserting before it is impossible, [`false`]
    /// will be returned. Also, [`false`] may be returned if the new row is
    /// not created for some model-specific reason.  Should robustly handle
    /// a @dest no longer found in the model!
    ///
    /// # Deprecated since 4.10
    ///
    /// Use list models instead
    /// ## `dest`
    /// row to drop in front of
    /// ## `value`
    /// data to drop
    ///
    /// # Returns
    ///
    /// whether a new row was created before position @dest
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_tree_drag_dest_drag_data_received")]
    fn drag_data_received(&self, dest: &TreePath, value: &glib::Value) -> bool;

    /// Determines whether a drop is possible before the given @dest_path,
    /// at the same depth as @dest_path. i.e., can we drop the data in
    /// @value at that location. @dest_path does not have to
    /// exist; the return value will almost certainly be [`false`] if the
    /// parent of @dest_path doesn’t exist, though.
    ///
    /// # Deprecated since 4.10
    ///
    /// Use list models instead
    /// ## `dest_path`
    /// destination row
    /// ## `value`
    /// the data being dropped
    ///
    /// # Returns
    ///
    /// [`true`] if a drop is possible before @dest_path
    #[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
    #[allow(deprecated)]
    #[doc(alias = "gtk_tree_drag_dest_row_drop_possible")]
    fn row_drop_possible(&self, dest_path: &TreePath, value: &glib::Value) -> bool;
}

impl<O: IsA<TreeDragDest>> TreeDragDestExt for O {
    #[allow(deprecated)]
    fn drag_data_received(&self, dest: &TreePath, value: &glib::Value) -> bool {
        unsafe {
            from_glib(ffi::gtk_tree_drag_dest_drag_data_received(
                self.as_ref().to_glib_none().0,
                mut_override(dest.to_glib_none().0),
                value.to_glib_none().0,
            ))
        }
    }

    #[allow(deprecated)]
    fn row_drop_possible(&self, dest_path: &TreePath, value: &glib::Value) -> bool {
        unsafe {
            from_glib(ffi::gtk_tree_drag_dest_row_drop_possible(
                self.as_ref().to_glib_none().0,
                mut_override(dest_path.to_glib_none().0),
                value.to_glib_none().0,
            ))
        }
    }
}

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