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LibWeb: Move mouse event and label logic from layout to painting tree

Input events have nothing to do with layout, so let's not send them to
layout nodes.

The job of Paintable starts to become clear. It represents a paintable
item that can be rendered into the viewport, which means it can also
be targeted by the mouse cursor.
This commit is contained in:
Andreas Kling 2022-03-10 22:46:35 +01:00
parent ed84fbce47
commit cb0c5390ff
35 changed files with 560 additions and 429 deletions

View file

@ -83,13 +83,6 @@ public:
bool is_inline_block() const;
virtual bool wants_mouse_events() const { return false; }
virtual void handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned modifiers);
virtual void handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned modifiers);
virtual void handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint&, unsigned buttons, unsigned modifiers);
virtual bool handle_mousewheel(Badge<EventHandler>, const Gfx::IntPoint&, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y);
virtual void paint_fragment(PaintContext&, const LineBoxFragment&, Painting::PaintPhase) const { }
// These are used to optimize hot is<T> variants for some classes where dynamic_cast is too slow.