WSJT-X/HelpTextWindow.cpp

30 lines
954 B
C++

#include "HelpTextWindow.hpp"
#include <QApplication>
#include <QString>
#include <QPalette>
#include <QMessageBox>
#include <QFile>
#include <QTextStream>
#include "qt_helpers.hpp"
HelpTextWindow::HelpTextWindow (QString const& title, QString const& file_name, QFont const& font, QWidget * parent)
: QLabel {parent, Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint}
{
QFile source {file_name};
if (!source.open (QIODevice::ReadOnly | QIODevice::Text))
{
QMessageBox::warning (this, QApplication::applicationName ()
, "Cannot open \"" + source.fileName ()
+ "\" for reading:" + source.errorString ());
return;
}
setText (QTextStream {&source}.readAll ());
setWindowTitle(QApplication::applicationName () + " - " + title);
setMargin (10);
setBackgroundRole (QPalette::Base);
setAutoFillBackground (true);
setStyleSheet (font_as_stylesheet (font));
}