ladybird/Userland/Libraries/LibGUI/RadioButton.cpp

73 lines
2 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Painter.h>
#include <LibGUI/RadioButton.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font/Font.h>
#include <LibGfx/Palette.h>
#include <LibGfx/StylePainter.h>
REGISTER_WIDGET(GUI, RadioButton)
namespace GUI {
RadioButton::RadioButton(DeprecatedString text)
: AbstractButton(move(text))
{
set_exclusive(true);
set_checkable(true);
set_min_size({ 22, 22 });
set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
}
Gfx::IntSize 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::IntRect 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::IntRect text_rect { circle_rect.right() + 7, 0, static_cast<int>(ceilf(font().width(text_deprecated()))), font().glyph_height() };
text_rect.center_vertically_within(rect());
paint_text(painter, text_rect, font(), Gfx::TextAlignment::TopLeft);
if (is_focused())
painter.draw_focus_rect(text_rect.inflated(6, 6), palette().focus_outline());
}
void RadioButton::click(unsigned)
{
if (!is_enabled())
return;
set_checked(true);
}
Optional<UISize> RadioButton::calculated_min_size() const
{
int horizontal = 2 + 7, vertical = 0;
auto& font = this->font();
vertical = max(font.glyph_height(), circle_size().height());
horizontal += font.width(text_deprecated());
return UISize(horizontal, vertical);
}
}