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02b316fd5c
This patch adds a bunch of Paintable subclasses, each corresponding to
the Layout::Node subclasses that had a paint() override. All painting
logic is moved from layout nodes into their corresponding paintables.
Paintables are now created by asking a Layout::Box to produce one:
static NonnullOwnPtr<Paintable> Layout::Box::create_paintable()
Note that inline nodes still have their painting logic. Since they
are not boxes, and all paintables have a corresponding box, we'll need
to come up with some other solution for them.
117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/*
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* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Event.h>
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#include <LibGfx/Font.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/StylePainter.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/HTMLInputElement.h>
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#include <LibWeb/Layout/CheckBox.h>
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#include <LibWeb/Layout/Label.h>
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#include <LibWeb/Painting/CheckBoxPaintable.h>
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namespace Web::Layout {
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CheckBox::CheckBox(DOM::Document& document, HTML::HTMLInputElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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: LabelableNode(document, element, move(style))
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{
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set_intrinsic_width(13);
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set_intrinsic_height(13);
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}
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CheckBox::~CheckBox()
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{
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}
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void CheckBox::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
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{
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if (button != GUI::MouseButton::Primary || !dom_node().enabled())
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return;
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m_being_pressed = true;
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set_needs_display();
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m_tracking_mouse = true;
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browsing_context().event_handler().set_mouse_event_tracking_layout_node(this);
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}
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void CheckBox::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
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{
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if (!m_tracking_mouse || button != GUI::MouseButton::Primary || !dom_node().enabled())
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return;
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// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
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NonnullRefPtr protect = *this;
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bool is_inside_node_or_label = enclosing_int_rect(m_paint_box->absolute_rect()).contains(position);
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if (!is_inside_node_or_label)
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is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
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if (is_inside_node_or_label) {
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dom_node().did_click_checkbox({});
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dom_node().set_checked(!dom_node().checked(), HTML::HTMLInputElement::ChangeSource::User);
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}
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m_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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}
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void CheckBox::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned, unsigned)
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{
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if (!m_tracking_mouse || !dom_node().enabled())
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return;
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bool is_inside_node_or_label = enclosing_int_rect(m_paint_box->absolute_rect()).contains(position);
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if (!is_inside_node_or_label)
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is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
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if (m_being_pressed == is_inside_node_or_label)
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return;
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m_being_pressed = is_inside_node_or_label;
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set_needs_display();
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}
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void CheckBox::handle_associated_label_mousedown(Badge<Label>)
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{
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if (!dom_node().enabled())
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return;
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m_being_pressed = true;
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set_needs_display();
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}
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void CheckBox::handle_associated_label_mouseup(Badge<Label>)
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{
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if (!dom_node().enabled())
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return;
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// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
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NonnullRefPtr protect = *this;
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dom_node().did_click_checkbox({});
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dom_node().set_checked(!dom_node().checked(), HTML::HTMLInputElement::ChangeSource::User);
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m_being_pressed = false;
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}
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void CheckBox::handle_associated_label_mousemove(Badge<Label>, bool is_inside_node_or_label)
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{
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if (m_being_pressed == is_inside_node_or_label || !dom_node().enabled())
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return;
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m_being_pressed = is_inside_node_or_label;
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set_needs_display();
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}
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OwnPtr<Painting::Paintable> CheckBox::create_paintable() const
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{
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return Painting::CheckBoxPaintable::create(*this);
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}
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}
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