mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-10 01:59:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb: Find closest scrollable paintable to call handle_mousewheel()

Browse source 
This makes event handler to try to find scrollable paintable in the
chain of containing blocks of hit box. This is very naive and will
have to be improved in the future.
This commit is contained in:
Aliaksandr Kalenik 2023-08-06 14:36:02 +02:00 • committed by Andreas Kling
commit 3eb9ae4ed5
Notes: sideshowbarker 2024-07-17 07:09:53 +09:00
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Userland/Libraries/LibWeb/Page/EventHandler.cpp
View file

@ -163,6 +163,15 @@ bool EventHandler::handle_mousewheel(CSSPixelPoint position, unsigned button, un
if (auto result = target_for_mouse_position(position); result.has_value())
paintable = result->paintable;
auto* containing_block = paintable->containing_block();
while (containing_block) {
if (containing_block->is_scrollable()) {
const_cast<Painting::PaintableBox*>(containing_block->paintable_box())->handle_mousewheel({}, position, buttons, modifiers, wheel_delta_x * scroll_step_size, wheel_delta_y * scroll_step_size);
break;
}
containing_block = containing_block->containing_block();
}
if (paintable) {
paintable->handle_mousewheel({}, position, buttons, modifiers, wheel_delta_x, wheel_delta_y);