DragValue: when keyboard editing, only update the value on focus lost (…

…#2688)

* test

* moved some accesskit stuff

* reverted accesskit change

* Add explanatory comment

* fmt

---------

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

crates/egui/src/widgets/drag_value.rs

@@ -475,13 +475,17 @@ impl<'a> Widget for DragValue<'a> {
  .desired_width(ui.spacing().interact_size.x)
  .font(text_style),
  );
- let parsed_value = match custom_parser {
- Some(parser) => parser(&value_text),
- None => value_text.parse().ok(),
- };
- if let Some(parsed_value) = parsed_value {
- let parsed_value = clamp_to_range(parsed_value, clamp_range.clone());
- set(&mut get_set_value, parsed_value);
+ // Only update the value when the user presses enter, or clicks elsewhere. NOT every frame.
+ // See https://github.com/emilk/egui/issues/2687
+ if response.lost_focus() {
+ let parsed_value = match custom_parser {
+ Some(parser) => parser(&value_text),
+ None => value_text.parse().ok(),
+ };
+ if let Some(parsed_value) = parsed_value {
+ let parsed_value = clamp_to_range(parsed_value, clamp_range.clone());
+ set(&mut get_set_value, parsed_value);
+ }
  }
  ui.memory_mut(|mem| mem.drag_value.edit_string = Some(value_text));
  response