WSJT-X/qt_helpers.cpp

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#include "qt_helpers.hpp"
#include <QString>
#include <QFont>
#include <QWidget>
#include <QStyle>
#include <QVariant>
#include <QDateTime>
QString font_as_stylesheet (QFont const& font)
{
QString font_weight;
switch (font.weight ())
{
case QFont::Light: font_weight = "light"; break;
case QFont::Normal: font_weight = "normal"; break;
case QFont::DemiBold: font_weight = "demibold"; break;
case QFont::Bold: font_weight = "bold"; break;
case QFont::Black: font_weight = "black"; break;
}
return QString {
" font-family: %1;\n"
" font-size: %2pt;\n"
" font-style: %3;\n"
" font-weight: %4;\n"}
.arg (font.family ())
.arg (font.pointSize ())
.arg (font.styleName ())
.arg (font_weight);
}
void update_dynamic_property (QWidget * widget, char const * property, QVariant const& value)
{
widget->setProperty (property, value);
widget->style ()->unpolish (widget);
widget->style ()->polish (widget);
widget->update ();
}
QDateTime qt_round_date_time_to (QDateTime dt, int milliseconds)
{
dt.setMSecsSinceEpoch (dt.addMSecs (milliseconds / 2).toMSecsSinceEpoch () / milliseconds * milliseconds);
return dt;
}
QDateTime qt_truncate_date_time_to (QDateTime dt, int milliseconds)
{
dt.setMSecsSinceEpoch (dt.toMSecsSinceEpoch () / milliseconds * milliseconds);
return dt;
}