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	 4d401bf796
			
		
	
	
		4d401bf796
		
	
	
	
	
		
			
			This simplifies the ownership model between DOM/layout/paint nodes immensely by deferring to the garbage collector for figuring out what's live and what's not.
		
			
				
	
	
		
			95 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2022, sin-ack <sin-ack@protonmail.com>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include <LibGUI/Event.h>
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| #include <LibWeb/HTML/BrowsingContext.h>
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| #include <LibWeb/Layout/Label.h>
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| #include <LibWeb/Painting/LabelablePaintable.h>
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| 
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| namespace Web::Painting {
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| 
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| LabelablePaintable::LabelablePaintable(Layout::LabelableNode const& layout_node)
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|     : PaintableBox(layout_node)
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| {
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| }
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| 
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| void LabelablePaintable::set_being_pressed(bool being_pressed)
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| {
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|     if (m_being_pressed == being_pressed)
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|         return;
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|     m_being_pressed = being_pressed;
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|     set_needs_display();
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| }
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| 
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| Layout::FormAssociatedLabelableNode const& LabelablePaintable::layout_box() const
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| {
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|     return static_cast<Layout::FormAssociatedLabelableNode const&>(PaintableBox::layout_box());
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| }
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| 
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| Layout::FormAssociatedLabelableNode& LabelablePaintable::layout_box()
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| {
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|     return static_cast<Layout::FormAssociatedLabelableNode&>(PaintableBox::layout_box());
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| }
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| 
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| LabelablePaintable::DispatchEventOfSameName LabelablePaintable::handle_mousedown(Badge<EventHandler>, CSSPixelPoint, unsigned button, unsigned)
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| {
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|     if (button != GUI::MouseButton::Primary || !layout_box().dom_node().enabled())
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|         return DispatchEventOfSameName::No;
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| 
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|     set_being_pressed(true);
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|     m_tracking_mouse = true;
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|     browsing_context().event_handler().set_mouse_event_tracking_layout_node(&layout_box());
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|     return DispatchEventOfSameName::Yes;
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| }
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| 
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| LabelablePaintable::DispatchEventOfSameName LabelablePaintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint position, unsigned button, unsigned)
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| {
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|     if (!m_tracking_mouse || button != GUI::MouseButton::Primary || !layout_box().dom_node().enabled())
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|         return DispatchEventOfSameName::No;
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| 
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|     bool is_inside_node_or_label = absolute_rect().contains(position);
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|     if (!is_inside_node_or_label)
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|         is_inside_node_or_label = Layout::Label::is_inside_associated_label(layout_box(), position);
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| 
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|     set_being_pressed(false);
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|     m_tracking_mouse = false;
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|     browsing_context().event_handler().set_mouse_event_tracking_layout_node(nullptr);
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|     return DispatchEventOfSameName::Yes;
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| }
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| 
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| LabelablePaintable::DispatchEventOfSameName LabelablePaintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint position, unsigned, unsigned)
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| {
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|     if (!m_tracking_mouse || !layout_box().dom_node().enabled())
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|         return DispatchEventOfSameName::No;
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| 
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|     bool is_inside_node_or_label = absolute_rect().contains(position);
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|     if (!is_inside_node_or_label)
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|         is_inside_node_or_label = Layout::Label::is_inside_associated_label(layout_box(), position);
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| 
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|     set_being_pressed(is_inside_node_or_label);
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|     return DispatchEventOfSameName::Yes;
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| }
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| 
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| void LabelablePaintable::handle_associated_label_mousedown(Badge<Layout::Label>)
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| {
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|     set_being_pressed(true);
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| }
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| 
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| void LabelablePaintable::handle_associated_label_mouseup(Badge<Layout::Label>)
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| {
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|     set_being_pressed(false);
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| }
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| 
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| void LabelablePaintable::handle_associated_label_mousemove(Badge<Layout::Label>, bool is_inside_node_or_label)
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| {
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|     if (being_pressed() == is_inside_node_or_label)
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|         return;
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| 
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|     set_being_pressed(is_inside_node_or_label);
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| }
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| 
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| }
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