Files
qad/libs/widgets/iconedlabel.cpp
2020-08-25 22:24:02 +03:00

94 lines
2.2 KiB
C++

#include "iconedlabel.h"
#include "qad_types.h"
#include <QHBoxLayout>
#include <QStyle>
#include <QEvent>
IconedLabel::IconedLabel(QWidget * parent): QFrame(parent) {
label_.setAlignment(Qt::AlignCenter);
icon_.setAlignment(Qt::AlignCenter);
icon_.setScaledContents(true);
icon_.setHidden(true);
setIconSize(QSize());
setDirection(RightToLeft);
}
QString IconedLabel::text() const {
return label_.text();
}
QIcon IconedLabel::icon() const {
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
return icon_.pixmap(Qt::ReturnByValue).isNull() ? QIcon() : QIcon(icon_.pixmap(Qt::ReturnByValue));
#else
return icon_.pixmap() == 0 ? QIcon() : QIcon(*icon_.pixmap());
#endif
}
bool IconedLabel::event(QEvent * e) {
if (e->type() == QEvent::FontChange || e->type() == QEvent::Polish)
setIconSize(iconSize());
return QFrame::event(e);
}
void IconedLabel::checkSpacing() {
label_.setHidden(label_.text().isEmpty());
if (!layout()) return;
if (label_.isHidden() || icon_.isHidden()) {
layout()->setSpacing(0);
} else {
QStyle * s = style();
if (s)
layout()->setSpacing(s->layoutSpacing(QSizePolicy::Label, QSizePolicy::Label,
dir_ <= Direction::RightToLeft ? Qt::Horizontal : Qt::Vertical));
}
}
QSize IconedLabel::realIconSize() const {
return size_.isValid() ? size_ : preferredIconSize(1.f, this);
}
void IconedLabel::setText(const QString & t) {
label_.setText(t);
checkSpacing();
}
void IconedLabel::setIcon(const QIcon & i) {
sicon_ = i;
setIconSize(iconSize());
icon_.setHidden(icon().isNull());
checkSpacing();
}
void IconedLabel::setIconSize(const QSize & s) {
size_ = s;
QSize sz = realIconSize();
icon_.setPixmap(sicon_.pixmap(sz));
icon_.setFixedSize(sz);
}
void IconedLabel::setDirection(IconedLabel::Direction d) {
dir_ = d;
if (layout() != 0)
delete layout();
QLayout * lay = new QBoxLayout((QBoxLayout::Direction)dir_);
lay->addItem(new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Expanding));
lay->addWidget(&label_);
lay->addWidget(&icon_);
lay->addItem(new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Expanding));
lay->setContentsMargins(0, 0, 0, 0);
setLayout(lay);
checkSpacing();
update();
}