Jaye Evins
1c902230fe
* Bulk replaced tabs with spaces * Bulk removed trailing whitespace from lines * Replaced c-style comments with c++-style comments in file banners * Replace nested namespace definitions with single concise definitions (C++17), this keeps the indentation more manageable * Cleanup ordering and spacing of include directives * Bulk renaming of header file extensions from '.h' to '.hpp'. * Update CODING-STYLE.md * Update target_compile_features from cxx_std_11 to cxx_std_20. * Refresh .clang-format file. Still needs a lot of tweaking.
100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
// PrinterMonitor.hpp
|
|
//
|
|
// Copyright (C) 2025 Jaye Evins <evins@snaught.com>
|
|
//
|
|
// This file is part of gLabels-qt.
|
|
//
|
|
// gLabels-qt is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// gLabels-qt is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
|
|
//
|
|
|
|
#ifndef PrinterMonitor_hpp
|
|
#define PrinterMonitor_hpp
|
|
|
|
|
|
#include <QFuture>
|
|
#include <QMutex>
|
|
#include <QObject>
|
|
#include <QStringList>
|
|
#include <QTimer>
|
|
|
|
#include <memory>
|
|
|
|
|
|
namespace glabels
|
|
{
|
|
|
|
///
|
|
/// Printer Monitor
|
|
///
|
|
class PrinterMonitor : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
/////////////////////////////////
|
|
// Life Cycle
|
|
/////////////////////////////////
|
|
private:
|
|
PrinterMonitor();
|
|
|
|
public:
|
|
static PrinterMonitor* instance();
|
|
|
|
|
|
/////////////////////////////////
|
|
// Public methods
|
|
/////////////////////////////////
|
|
public:
|
|
QStringList availablePrinters();
|
|
|
|
|
|
/////////////////////////////////
|
|
// Slots
|
|
/////////////////////////////////
|
|
private slots:
|
|
void onTimerTimeout();
|
|
|
|
|
|
/////////////////////////////////
|
|
// Signals
|
|
/////////////////////////////////
|
|
signals:
|
|
void availablePrintersChanged( QStringList availablePrinters );
|
|
|
|
|
|
/////////////////////////////////
|
|
// Private methods
|
|
/////////////////////////////////
|
|
private:
|
|
void asyncPoll();
|
|
|
|
|
|
/////////////////////////////////
|
|
// Private Members
|
|
/////////////////////////////////
|
|
private:
|
|
static std::unique_ptr<PrinterMonitor> mInstance;
|
|
|
|
std::unique_ptr<QTimer> mTimer;
|
|
|
|
QStringList mCurrentAvailablePrinters;
|
|
QMutex mCurrentAvailablePrintersMutex;
|
|
|
|
QFuture<void> mPollStatus;
|
|
};
|
|
|
|
}
|
|
|
|
|
|
#endif // PrinterMonitor_hpp
|