bsnes/hiro/qt/widget/label.cpp

78 lines
2.1 KiB
C++
Executable File

#if defined(Hiro_Label)
namespace hiro {
auto pLabel::construct() -> void {
qtWidget = qtLabel = new QtLabel(*this);
pWidget::construct();
qtLabel->update();
}
auto pLabel::destruct() -> void {
delete qtLabel;
qtWidget = qtLabel = nullptr;
}
auto pLabel::minimumSize() const -> Size {
auto size = pFont::size(qtWidget->font(), state().text);
return {size.width(), size.height()};
}
auto pLabel::setAlignment(Alignment alignment) -> void {
qtLabel->update();
}
auto pLabel::setBackgroundColor(Color color) -> void {
qtLabel->update();
}
auto pLabel::setFont(const Font& font) -> void {
pWidget::setFont(font);
qtLabel->update();
}
auto pLabel::setForegroundColor(Color color) -> void {
qtLabel->update();
}
auto pLabel::setText(const string& text) -> void {
qtLabel->update();
}
auto QtLabel::mousePressEvent(QMouseEvent* event) -> void {
switch(event->button()) {
case Qt::LeftButton: p.self().doMousePress(Mouse::Button::Left); break;
case Qt::MidButton: p.self().doMousePress(Mouse::Button::Middle); break;
case Qt::RightButton: p.self().doMousePress(Mouse::Button::Right); break;
}
}
auto QtLabel::mouseReleaseEvent(QMouseEvent* event) -> void {
switch(event->button()) {
case Qt::LeftButton: p.self().doMouseRelease(Mouse::Button::Left); break;
case Qt::MidButton: p.self().doMouseRelease(Mouse::Button::Middle); break;
case Qt::RightButton: p.self().doMouseRelease(Mouse::Button::Right); break;
}
}
//QLabel ignores QPalette ... so we have to implement our own Label class atop QWidget ...
auto QtLabel::paintEvent(QPaintEvent* event) -> void {
QPainter painter(p.qtLabel);
if(auto& color = p.state().backgroundColor) {
painter.fillRect(event->rect(), CreateColor(color));
}
if(auto& text = p.state().text) {
if(auto& color = p.state().foregroundColor) {
QPen pen(CreateColor(color));
painter.setPen(pen);
}
auto alignment = p.state().alignment ? p.state().alignment : Alignment{0.0, 0.5};
painter.drawText(event->rect(), CalculateAlignment(alignment), QString::fromUtf8(text));
}
}
}
#endif