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LibWeb: Check paintable of target against null in mousewheel handling

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Andi Gallo 2023-08-09 22:36:46 +00:00 • committed by Andreas Kling
parent ae7a0c43a9
commit 670bbf24e5
1 changed files with 9 additions and 9 deletions
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2
Userland/Libraries/LibWeb/Page/EventHandler.cpp
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@ -163,6 +163,7 @@ bool EventHandler::handle_mousewheel(CSSPixelPoint position, unsigned button, un
if (auto result = target_for_mouse_position(position); result.has_value()) if (auto result = target_for_mouse_position(position); result.has_value())
paintable = result->paintable; paintable = result->paintable;
if (paintable) {
auto* containing_block = paintable->containing_block(); auto* containing_block = paintable->containing_block();
while (containing_block) { while (containing_block) {
if (containing_block->is_user_scrollable()) { if (containing_block->is_user_scrollable()) {
@ -172,7 +173,6 @@ bool EventHandler::handle_mousewheel(CSSPixelPoint position, unsigned button, un
containing_block = containing_block->containing_block(); containing_block = containing_block->containing_block();
} }
if (paintable) {
paintable->handle_mousewheel({}, position, buttons, modifiers, wheel_delta_x, wheel_delta_y); paintable->handle_mousewheel({}, position, buttons, modifiers, wheel_delta_x, wheel_delta_y);
auto node = dom_node_for_event_dispatch(*paintable); auto node = dom_node_for_event_dispatch(*paintable);