125 lines
4 KiB
C++
125 lines
4 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibGUI/Event.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/StylePainter.h>
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#include <LibWeb/Layout/RadioButton.h>
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#include <LibWeb/Page/Frame.h>
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namespace Web::Layout {
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RadioButton::RadioButton(DOM::Document& document, HTML::HTMLInputElement& element, NonnullRefPtr<CSS::StyleProperties> style)
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: ReplacedBox(document, element, move(style))
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{
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set_has_intrinsic_width(true);
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set_has_intrinsic_height(true);
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set_intrinsic_width(12);
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set_intrinsic_height(12);
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}
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RadioButton::~RadioButton()
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{
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}
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void RadioButton::paint(PaintContext& context, PaintPhase phase)
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{
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if (!is_visible())
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return;
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ReplacedBox::paint(context, phase);
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if (phase == PaintPhase::Foreground) {
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Gfx::StylePainter::paint_radio_button(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), dom_node().checked(), m_being_pressed);
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}
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}
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void RadioButton::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
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{
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if (button != GUI::MouseButton::Left || !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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frame().event_handler().set_mouse_event_tracking_layout_node(this);
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}
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void RadioButton::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::Left || !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 = enclosing_int_rect(absolute_rect()).contains(position);
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if (is_inside)
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set_checked_within_group();
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m_being_pressed = false;
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m_tracking_mouse = false;
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frame().event_handler().set_mouse_event_tracking_layout_node(nullptr);
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}
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void RadioButton::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 = enclosing_int_rect(absolute_rect()).contains(position);
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if (m_being_pressed == is_inside)
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return;
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m_being_pressed = is_inside;
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set_needs_display();
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}
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void RadioButton::set_checked_within_group()
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{
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if (dom_node().checked())
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return;
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dom_node().set_checked(true);
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if (!parent())
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return;
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String name = dom_node().name();
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parent()->for_each_child_of_type<RadioButton>([&](auto& child) {
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if (&child == this)
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return;
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if (!child.dom_node().checked())
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return;
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if (child.dom_node().name() == name)
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child.dom_node().set_checked(false);
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});
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}
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}
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