ladybird/Userland/Libraries/LibWeb/Layout/RadioButton.cpp
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

129 lines
3.7 KiB
C++

/*
* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Event.h>
#include <LibGfx/Painter.h>
#include <LibGfx/StylePainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/Label.h>
#include <LibWeb/Layout/RadioButton.h>
#include <LibWeb/Page/Frame.h>
namespace Web::Layout {
RadioButton::RadioButton(DOM::Document& document, HTML::HTMLInputElement& element, NonnullRefPtr<CSS::StyleProperties> style)
: LabelableNode(document, element, move(style))
{
set_has_intrinsic_width(true);
set_has_intrinsic_height(true);
set_intrinsic_width(12);
set_intrinsic_height(12);
}
RadioButton::~RadioButton()
{
}
void RadioButton::paint(PaintContext& context, PaintPhase phase)
{
if (!is_visible())
return;
LabelableNode::paint(context, phase);
if (phase == PaintPhase::Foreground) {
Gfx::StylePainter::paint_radio_button(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), dom_node().checked(), m_being_pressed);
}
}
void RadioButton::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
{
if (button != GUI::MouseButton::Left || !dom_node().enabled())
return;
m_being_pressed = true;
set_needs_display();
m_tracking_mouse = true;
frame().event_handler().set_mouse_event_tracking_layout_node(this);
}
void RadioButton::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
{
if (!m_tracking_mouse || button != GUI::MouseButton::Left || !dom_node().enabled())
return;
// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
NonnullRefPtr protect = *this;
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
if (is_inside_node_or_label)
set_checked_within_group();
m_being_pressed = false;
m_tracking_mouse = false;
frame().event_handler().set_mouse_event_tracking_layout_node(nullptr);
}
void RadioButton::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned, unsigned)
{
if (!m_tracking_mouse || !dom_node().enabled())
return;
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
void RadioButton::handle_associated_label_mousedown(Badge<Label>)
{
m_being_pressed = true;
set_needs_display();
}
void RadioButton::handle_associated_label_mouseup(Badge<Label>)
{
// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
NonnullRefPtr protect = *this;
set_checked_within_group();
m_being_pressed = false;
}
void RadioButton::handle_associated_label_mousemove(Badge<Label>, bool is_inside_node_or_label)
{
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
void RadioButton::set_checked_within_group()
{
if (dom_node().checked())
return;
dom_node().set_checked(true);
String name = dom_node().name();
document().for_each_in_inclusive_subtree_of_type<HTML::HTMLInputElement>([&](auto& element) {
if (element.checked() && (element.layout_node() != this) && (element.name() == name))
element.set_checked(false);
return IterationDecision::Continue;
});
}
}