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// Take a look at the license at the top of the repository in the LICENSE file.
use crate::{prelude::*, TreeIter, TreeModel};
use glib::{translate::*, value::FromValue};
// rustdoc-stripper-ignore-next
/// Trait containing manually implemented methods of [`TreeModel`](crate::TreeModel).
#[cfg_attr(feature = "v4_10", deprecated = "Since 4.10")]
#[allow(deprecated)]
pub trait TreeModelExtManual: 'static {
#[doc(alias = "gtk_tree_model_get")]
#[doc(alias = "gtk_tree_model_get_value")]
#[doc(alias = "gtk_tree_model_get_valist")]
fn get_value(&self, iter: &TreeIter, column: i32) -> glib::Value;
#[doc(alias = "gtk_tree_model_get")]
#[doc(alias = "gtk_tree_model_get_value")]
#[doc(alias = "gtk_tree_model_get_valist")]
// rustdoc-stripper-ignore-next
/// Similar to [`Self::get_value`] but panics if the value is of a different type.
// rustdoc-stripper-ignore-next-stop
/// Gets the value of one or more cells in the row referenced by @iter.
///
/// The variable argument list should contain integer column numbers,
/// each column number followed by a place to store the value being
/// retrieved. The list is terminated by a -1. For example, to get a
/// value from column 0 with type `G_TYPE_STRING`, you would
/// write: `gtk_tree_model_get (model, iter, 0, &place_string_here, -1)`,
/// where `place_string_here` is a #gchararray
/// to be filled with the string.
///
/// Returned values with type `G_TYPE_OBJECT` have to be unreferenced,
/// values with type `G_TYPE_STRING` or `G_TYPE_BOXED` have to be freed.
/// Other values are passed by value.
///
/// # Deprecated since 4.10
///
/// ## `iter`
/// a row in @self
fn get<V: for<'b> FromValue<'b> + 'static>(&self, iter: &TreeIter, column: i32) -> V;
}
impl<O: IsA<TreeModel>> TreeModelExtManual for O {
fn get_value(&self, iter: &TreeIter, column: i32) -> glib::Value {
let total_columns = self.as_ref().n_columns();
assert!(
column < total_columns,
"TreeModel has {total_columns} columns but TreeModelExt::get got {column} passed as a column number",
);
unsafe {
let mut value = glib::Value::uninitialized();
ffi::gtk_tree_model_get_value(
self.as_ref().to_glib_none().0,
mut_override(iter.to_glib_none().0),
column,
value.to_glib_none_mut().0,
);
value
}
}
fn get<V: for<'b> FromValue<'b> + 'static>(&self, iter: &TreeIter, column: i32) -> V {
let value = self.get_value(iter, column);
value
.get_owned::<V>()
.expect("Failed to get TreeModel value")
}
}