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LibWeb: Update hit_test for CSS Transforms

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This now also takes a FloatPoint instead of an IntPoint to avoid
excessive rounding when multiple transforms apply on top of each other.
This commit is contained in:
Simon Wanner 2022-03-18 01:32:50 +01:00 • committed by Andreas Kling
parent a2331e8dd3
commit 48efdaa8c4
7 changed files with 28 additions and 23 deletions
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14
Userland/Libraries/LibWeb/Page/EventHandler.cpp
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@ -138,7 +138,7 @@ bool EventHandler::handle_mousewheel(const Gfx::IntPoint& position, unsigned int
// FIXME: Support wheel events in nested browsing contexts.
auto result = paint_root()->hit_test(position, Painting::HitTestType::Exact);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::Exact);
if (result.paintable && result.paintable->handle_mousewheel({}, position, buttons, modifiers, wheel_delta_x, wheel_delta_y))
return true;
@ -164,7 +164,7 @@ bool EventHandler::handle_mouseup(const Gfx::IntPoint& position, unsigned button
if (m_mouse_event_tracking_layout_node) {
paintable = m_mouse_event_tracking_layout_node->paintable();
} else {
auto result = paint_root()->hit_test(position, Painting::HitTestType::Exact);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::Exact);
paintable = result.paintable;
}
@ -175,7 +175,7 @@ bool EventHandler::handle_mouseup(const Gfx::IntPoint& position, unsigned button
// Things may have changed as a consequence of Layout::Node::handle_mouseup(). Hit test again.
if (!paint_root())
return true;
auto result = paint_root()->hit_test(position, Painting::HitTestType::Exact);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::Exact);
paintable = result.paintable;
}
@ -222,7 +222,7 @@ bool EventHandler::handle_mousedown(const Gfx::IntPoint& position, unsigned butt
if (m_mouse_event_tracking_layout_node) {
paintable = m_mouse_event_tracking_layout_node->paintable();
} else {
auto result = paint_root()->hit_test(position, Painting::HitTestType::Exact);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::Exact);
if (!result.paintable)
return false;
paintable = result.paintable;
@ -300,7 +300,7 @@ bool EventHandler::handle_mousedown(const Gfx::IntPoint& position, unsigned butt
}
} else {
if (button == GUI::MouseButton::Primary) {
auto result = paint_root()->hit_test(position, Painting::HitTestType::TextCursor);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::TextCursor);
if (result.paintable && result.paintable->layout_node().dom_node()) {
// See if we want to focus something.
@ -348,7 +348,7 @@ bool EventHandler::handle_mousemove(const Gfx::IntPoint& position, unsigned butt
if (m_mouse_event_tracking_layout_node) {
paintable = m_mouse_event_tracking_layout_node->paintable();
} else {
auto result = paint_root()->hit_test(position, Painting::HitTestType::Exact);
auto result = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::Exact);
paintable = result.paintable;
start_index = result.index_in_node;
}
@ -408,7 +408,7 @@ bool EventHandler::handle_mousemove(const Gfx::IntPoint& position, unsigned butt
return true;
}
if (m_in_mouse_selection) {
auto hit = paint_root()->hit_test(position, Painting::HitTestType::TextCursor);
auto hit = paint_root()->hit_test(position.to_type<float>(), Painting::HitTestType::TextCursor);
if (start_index.has_value() && hit.paintable && hit.paintable->layout_node().dom_node()) {
m_browsing_context.set_cursor_position(DOM::Position(*hit.paintable->layout_node().dom_node(), *start_index));
layout_root()->set_selection_end({ hit.paintable->layout_node(), hit.index_in_node });