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#include <LibGUI/GPainter.h>
#include <LibGUI/GRadioButton.h>
#include <LibDraw/GraphicsBitmap.h>
static RefPtr<GraphicsBitmap> s_unfilled_circle_bitmap;
static RefPtr<GraphicsBitmap> s_filled_circle_bitmap;
static RefPtr<GraphicsBitmap> s_changing_filled_circle_bitmap;
static RefPtr<GraphicsBitmap> s_changing_unfilled_circle_bitmap;
GRadioButton::GRadioButton(const StringView& text, GWidget* parent)
: GAbstractButton(text, parent)
{
if (!s_unfilled_circle_bitmap) {
s_unfilled_circle_bitmap = GraphicsBitmap::load_from_file("/res/icons/unfilled-radio-circle.png");
s_filled_circle_bitmap = GraphicsBitmap::load_from_file("/res/icons/filled-radio-circle.png");
s_changing_filled_circle_bitmap = GraphicsBitmap::load_from_file("/res/icons/changing-filled-radio-circle.png");
s_changing_unfilled_circle_bitmap = GraphicsBitmap::load_from_file("/res/icons/changing-unfilled-radio-circle.png");
}
}
GRadioButton::~GRadioButton()
{
}
Size GRadioButton::circle_size()
{
return s_unfilled_circle_bitmap->size();
}
static const GraphicsBitmap& circle_bitmap(bool checked, bool changing)
{
if (changing)
return checked ? *s_changing_filled_circle_bitmap : *s_changing_unfilled_circle_bitmap;
return checked ? *s_filled_circle_bitmap : *s_unfilled_circle_bitmap;
}
void GRadioButton::paint_event(GPaintEvent& event)
{
GPainter painter(*this);
painter.add_clip_rect(event.rect());
Rect circle_rect { { 2, 0 }, circle_size() };
circle_rect.center_vertically_within(rect());
auto& bitmap = circle_bitmap(is_checked(), is_being_pressed());
painter.blit(circle_rect.location(), bitmap, bitmap.rect());
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(), TextAlignment::TopLeft);
}
template<typename Callback>
void GRadioButton::for_each_in_group(Callback callback)
{
if (!parent())
return;
parent()->for_each_child_of_type<GRadioButton>([&](auto& child) {
return callback(static_cast<GRadioButton&>(child));
});
}
void GRadioButton::click()
{
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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