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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGUI/Painter.h>
#include <LibGUI/RadioButton.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
#include <LibGfx/StylePainter.h>
namespace GUI {
RadioButton::RadioButton(const StringView& text)
: AbstractButton(text)
{
}
RadioButton::~RadioButton()
{
}
Gfx::Size RadioButton::circle_size()
{
return { 12, 12 };
}
void RadioButton::paint_event(PaintEvent& event)
{
Painter painter(*this);
painter.add_clip_rect(event.rect());
if (fill_with_background_color())
painter.fill_rect(rect(), palette().window());
if (is_enabled() && is_hovered())
painter.fill_rect(rect(), palette().hover_highlight());
Gfx::Rect circle_rect { { 2, 0 }, circle_size() };
circle_rect.center_vertically_within(rect());
Gfx::StylePainter::paint_radio_button(painter, circle_rect, palette(), is_checked(), is_being_pressed());
Gfx::Rect text_rect { circle_rect.right() + 4, 0, font().width(text()), font().glyph_height() };
text_rect.center_vertically_within(rect());
paint_text(painter, text_rect, font(), Gfx::TextAlignment::TopLeft);
}
template<typename Callback>
void RadioButton::for_each_in_group(Callback callback)
{
if (!parent())
return;
parent()->for_each_child_of_type<RadioButton>([&](auto& child) {
return callback(static_cast<RadioButton&>(child));
});
}
void RadioButton::click(unsigned)
{
if (!is_enabled())
return;
for_each_in_group([this](auto& button) {
if (&button != this)
button.set_checked(false);
return IterationDecision::Continue;
});
set_checked(true);
}
}
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