mirror-chatterino2/src/widgets/label.cpp
2018-06-11 21:57:41 +02:00

129 lines
2.7 KiB
C++

#include "label.hpp"
#include "application.hpp"
#include <QPainter>
namespace chatterino {
namespace widgets {
Label::Label(QString text, FontStyle style)
: Label(nullptr, text, style)
{
}
Label::Label(BaseWidget *parent, QString text, FontStyle style)
: BaseWidget(parent)
, text_(text)
, fontStyle_(style)
{
auto app = getApp();
app->fonts->fontChanged.connect([=] { this->updateSize(); });
}
const QString &Label::getText() const
{
return this->text_;
}
void Label::setText(const QString &text)
{
this->text_ = text;
this->updateSize();
}
FontStyle Label::getFontStyle() const
{
return this->fontStyle_;
}
bool Label::getCentered() const
{
return this->centered_;
}
void Label::setCentered(bool centered)
{
this->centered_ = centered;
this->updateSize();
}
bool Label::getHasOffset() const
{
return this->hasOffset_;
}
void Label::setHasOffset(bool hasOffset)
{
this->hasOffset_ = hasOffset;
this->updateSize();
}
void Label::setFontStyle(FontStyle style)
{
this->fontStyle_ = style;
this->updateSize();
}
void Label::scaleChangedEvent(float)
{
this->updateSize();
}
QSize Label::sizeHint() const
{
return this->preferedSize_;
}
QSize Label::minimumSizeHint() const
{
return this->preferedSize_;
}
void Label::paintEvent(QPaintEvent *)
{
auto app = getApp();
QPainter painter(this);
QFontMetrics metrics = app->fonts->getFontMetrics(this->getFontStyle(),
this->getScale() * this->devicePixelRatioF());
painter.setFont(
app->fonts->getFont(this->getFontStyle(), this->getScale() * this->devicePixelRatioF()));
int offset = this->getOffset();
// draw text
QRect textRect(offset, 0, this->width() - offset - offset, this->height());
int width = metrics.width(this->text_);
Qt::Alignment alignment = !this->centered_ || width > textRect.width()
? Qt::AlignLeft | Qt::AlignVCenter
: Qt::AlignCenter;
QTextOption option(alignment);
option.setWrapMode(QTextOption::NoWrap);
painter.drawText(textRect, this->text_, option);
}
void Label::updateSize()
{
auto app = getApp();
QFontMetrics metrics = app->fonts->getFontMetrics(this->fontStyle_, this->getScale());
int width = metrics.width(this->text_) + (2 * this->getOffset());
int height = metrics.height();
this->preferedSize_ = QSize(width, height);
this->updateGeometry();
}
int Label::getOffset()
{
return this->hasOffset_ ? int(8 * this->getScale()) : 0;
}
} // namespace widgets
} // namespace chatterino