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Fix input lag in drag-to-select o labels (#3917) 

Introduced in the recent drag-vs-click stuff
This commit is contained in:
Emil Ernerfeldt 2024-01-29 18:06:32 +01:00 committed by GitHub
parent 21253d844e
commit 6a94f4f5f0
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1 changed files with 7 additions and 5 deletions
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12
crates/egui/src/text_selection/label_text_selection.rs
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@ -372,16 +372,18 @@ impl LabelSelectionState {
selection.primary =
WidgetTextCursor::new(response.id, new_primary, galley_pos, galley);
if response.drag_started() {
// We don't want the latency of `drag_started`.
let drag_started = ui.input(|i| i.pointer.any_pressed());
if drag_started {
if selection.layer_id == response.layer_id {
if ui.input(|i| i.modifiers.shift) {
// A continuation of a previous selection?
// A continuation of a previous selection.
} else {
// A new selection.
// A new selection in the same layer.
selection.secondary = selection.primary;
}
} else {
// A new selection.
// A new selection in a new layer.
selection.layer_id = response.layer_id;
selection.secondary = selection.primary;
}
@ -474,7 +476,7 @@ impl LabelSelectionState {
}
self.any_hovered |= response.hovered();
self.is_dragging |= response.dragged();
self.is_dragging |= response.is_pointer_button_down_on(); // we don't want the initial latency of drag vs click decision
let old_selection = self.selection;