use crate::{prelude::*, TreeIter, TreeModel};
use glib::{translate::*, value::FromValue};
#[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")]
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")
}
}