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LibWeb: Implement InputEvent.getTargetRanges()

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This returns a list of ranges that would be affected by a change to the
DOM if the input event is not cancelled.
This commit is contained in:
Tim Ledbetter 2025-07-18 13:03:46 +01:00 • committed by Shannon Booth
parent ed3d0d76ec
commit 7874f325a8
Notes: github-actions[bot] 2025-07-20 00:35:27 +00:00
6 changed files with 67 additions and 12 deletions
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16
Libraries/LibWeb/Page/EventHandler.cpp
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@ -1117,6 +1117,18 @@ static bool is_enter_key_or_interoperable_enter_key_combo(UIEvents::KeyCode key,
return false;
}
static GC::RootVector<GC::Ref<DOM::StaticRange>> target_ranges_for_input_event(DOM::Document const& document)
{
GC::RootVector<GC::Ref<DOM::StaticRange>> target_ranges { document.heap() };
if (auto selection = document.get_selection(); selection && !selection->is_collapsed()) {
if (auto range = selection->range()) {
auto static_range = document.realm().create<DOM::StaticRange>(range->start_container(), range->start_offset(), range->end_container(), range->end_offset());
target_ranges.append(static_range);
}
}
return target_ranges;
}
EventResult EventHandler::input_event(FlyString const& event_name, FlyString const& input_type, HTML::Navigable& navigable, u32 code_point)
{
auto document = navigable.active_document();
@ -1138,11 +1150,11 @@ EventResult EventHandler::input_event(FlyString const& event_name, FlyString con
return input_event(event_name, input_type, *navigable_container.content_navigable(), code_point);
}
auto event = UIEvents::InputEvent::create_from_platform_event(document->realm(), event_name, input_event_init);
auto event = UIEvents::InputEvent::create_from_platform_event(document->realm(), event_name, input_event_init, target_ranges_for_input_event(*document));
return focused_element->dispatch_event(event) ? EventResult::Accepted : EventResult::Cancelled;
}
auto event = UIEvents::InputEvent::create_from_platform_event(document->realm(), event_name, input_event_init);
auto event = UIEvents::InputEvent::create_from_platform_event(document->realm(), event_name, input_event_init, target_ranges_for_input_event(*document));
if (auto* body = document->body())
return body->dispatch_event(event) ? EventResult::Accepted : EventResult::Cancelled;