js8call/JS8_Main/HelpTextWindow.cpp

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#include "HelpTextWindow.h"
#include <QApplication>
#include <QFile>
#include <QPalette>
#include <QString>
#include <QTextStream>
#include "JS8MessageBox.h"
#include "qt_helpers.h"
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)) {
JS8MessageBox::warning_message(
this, tr("Help file error"),
tr("Cannot open \"%1\" for reading").arg(source.fileName()),
tr("Error: %1").arg(source.errorString()));
return;
}
setText(QTextStream{&source}.readAll());
setWindowTitle(QApplication::applicationName() + " - " + title);
setMargin(10);
setBackgroundRole(QPalette::Base);
setAutoFillBackground(true);
setStyleSheet(font_as_stylesheet(font));
}