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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
use crate::SelectionData;
use crate::TreePath;
use glib::object::IsA;
use glib::translate::*;
use std::fmt;
glib::wrapper! {
///
///
/// # Implements
///
/// [`TreeDragSourceExt`][trait@crate::prelude::TreeDragSourceExt]
#[doc(alias = "GtkTreeDragSource")]
pub struct TreeDragSource(Interface<ffi::GtkTreeDragSource, ffi::GtkTreeDragSourceIface>);
match fn {
type_ => || ffi::gtk_tree_drag_source_get_type(),
}
}
impl TreeDragSource {
pub const NONE: Option<&'static TreeDragSource> = None;
}
/// Trait containing all [`struct@TreeDragSource`] methods.
///
/// # Implementors
///
/// [`ListStore`][struct@crate::ListStore], [`TreeDragSource`][struct@crate::TreeDragSource], [`TreeModelFilter`][struct@crate::TreeModelFilter], [`TreeModelSort`][struct@crate::TreeModelSort], [`TreeStore`][struct@crate::TreeStore]
pub trait TreeDragSourceExt: 'static {
/// Asks the [`TreeDragSource`][crate::TreeDragSource] to delete the row at `path`, because
/// it was moved somewhere else via drag-and-drop. Returns [`false`]
/// if the deletion fails because `path` no longer exists, or for
/// some model-specific reason. Should robustly handle a `path` no
/// longer found in the model!
/// ## `path`
/// row that was being dragged
///
/// # Returns
///
/// [`true`] if the row was successfully deleted
#[doc(alias = "gtk_tree_drag_source_drag_data_delete")]
fn drag_data_delete(&self, path: &mut TreePath) -> bool;
/// Asks the [`TreeDragSource`][crate::TreeDragSource] to fill in `selection_data` with a
/// representation of the row at `path`. `selection_data`->target gives
/// the required type of the data. Should robustly handle a `path` no
/// longer found in the model!
/// ## `path`
/// row that was dragged
/// ## `selection_data`
/// a [`SelectionData`][crate::SelectionData] to fill with data
/// from the dragged row
///
/// # Returns
///
/// [`true`] if data of the required type was provided
#[doc(alias = "gtk_tree_drag_source_drag_data_get")]
fn drag_data_get(&self, path: &mut TreePath, selection_data: &mut SelectionData) -> bool;
/// Asks the [`TreeDragSource`][crate::TreeDragSource] whether a particular row can be used as
/// the source of a DND operation. If the source doesn’t implement
/// this interface, the row is assumed draggable.
/// ## `path`
/// row on which user is initiating a drag
///
/// # Returns
///
/// [`true`] if the row can be dragged
#[doc(alias = "gtk_tree_drag_source_row_draggable")]
fn row_draggable(&self, path: &mut TreePath) -> bool;
}
impl<O: IsA<TreeDragSource>> TreeDragSourceExt for O {
fn drag_data_delete(&self, path: &mut TreePath) -> bool {
unsafe {
from_glib(ffi::gtk_tree_drag_source_drag_data_delete(
self.as_ref().to_glib_none().0,
path.to_glib_none_mut().0,
))
}
}
fn drag_data_get(&self, path: &mut TreePath, selection_data: &mut SelectionData) -> bool {
unsafe {
from_glib(ffi::gtk_tree_drag_source_drag_data_get(
self.as_ref().to_glib_none().0,
path.to_glib_none_mut().0,
selection_data.to_glib_none_mut().0,
))
}
}
fn row_draggable(&self, path: &mut TreePath) -> bool {
unsafe {
from_glib(ffi::gtk_tree_drag_source_row_draggable(
self.as_ref().to_glib_none().0,
path.to_glib_none_mut().0,
))
}
}
}
impl fmt::Display for TreeDragSource {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("TreeDragSource")
}
}