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50 
51 #include "mainwindow.h"
52 #include "pythonutils.h"
53 
54 #include <QtWidgets/QAction>
55 #include <QtWidgets/QApplication>
56 #include <QtWidgets/QMenu>
57 #include <QtWidgets/QMenuBar>
58 #include <QtWidgets/QPlainTextEdit>
59 #include <QtWidgets/QStatusBar>
60 #include <QtWidgets/QToolBar>
61 #include <QtWidgets/QVBoxLayout>
62 
63 #include <QtGui/QFontDatabase>
64 #include <QtGui/QIcon>
65 
66 #include <QtCore/QDebug>
67 #include <QtCore/QTextStream>
68 
69 static const char defaultScript[] = R"(
70 print("Hello, world")
71 mainWindow.testFunction1()
72 )";
73 
MainWindow()74 MainWindow::MainWindow()
75     : m_scriptEdit(new QPlainTextEdit(QString::fromLatin1(defaultScript).trimmed(), this))
76 {
77     setWindowTitle(tr("Scriptable Application"));
78 
79     QMenu *fileMenu = menuBar()->addMenu(tr("&File"));
80     const QIcon runIcon = QIcon::fromTheme(QStringLiteral("system-run"));
81     QAction *runAction = fileMenu->addAction(runIcon, tr("&Run..."), this, &MainWindow::slotRunScript);
82     runAction->setShortcut(Qt::CTRL | Qt::Key_R);
83     QAction *diagnosticAction = fileMenu->addAction(tr("&Print Diagnostics"), this, &MainWindow::slotPrintDiagnostics);
84     diagnosticAction->setShortcut(Qt::CTRL | Qt::Key_D);
85     fileMenu->addAction(tr("&Invoke testFunction1()"), this, &MainWindow::testFunction1);
86     const QIcon quitIcon = QIcon::fromTheme(QStringLiteral("application-exit"));
87     QAction *quitAction = fileMenu->addAction(quitIcon, tr("&Quit"), qApp, &QCoreApplication::quit);
88     quitAction->setShortcut(Qt::CTRL | Qt::Key_Q);
89 
90     QMenu *editMenu = menuBar()->addMenu(tr("&Edit"));
91     const QIcon clearIcon = QIcon::fromTheme(QStringLiteral("edit-clear"));
92     QAction *clearAction = editMenu->addAction(clearIcon, tr("&Clear"), m_scriptEdit, &QPlainTextEdit::clear);
93 
94     QMenu *helpMenu = menuBar()->addMenu(tr("&Help"));
95     const QIcon aboutIcon = QIcon::fromTheme(QStringLiteral("help-about"));
96     QAction *aboutAction = helpMenu->addAction(aboutIcon, tr("&About Qt"), qApp, &QApplication::aboutQt);
97 
98     QToolBar *toolBar = new QToolBar;
99     addToolBar(toolBar);
100     toolBar->addAction(quitAction);
101     toolBar->addSeparator();
102     toolBar->addAction(clearAction);
103     toolBar->addSeparator();
104     toolBar->addAction(runAction);
105     toolBar->addSeparator();
106     toolBar->addAction(aboutAction);
107 
108     m_scriptEdit->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
109     setCentralWidget(m_scriptEdit);
110 
111     if (!PythonUtils::bindAppObject("__main__", "mainWindow", PythonUtils::MainWindowType, this))
112        statusBar()->showMessage(tr("Error loading the application module"));
113 }
114 
slotRunScript()115 void MainWindow::slotRunScript()
116 {
117     const QStringList script = m_scriptEdit->toPlainText().trimmed().split(QLatin1Char('\n'), Qt::SkipEmptyParts);
118     if (!script.isEmpty())
119         runScript(script);
120 }
121 
slotPrintDiagnostics()122 void MainWindow::slotPrintDiagnostics()
123 {
124     const QStringList script = QStringList()
125             << "import sys" << "print('Path=', sys.path)" << "print('Executable=', sys.executable)";
126     runScript(script);
127 }
128 
runScript(const QStringList & script)129 void MainWindow::runScript(const QStringList &script)
130 {
131     if (!::PythonUtils::runScript(script))
132         statusBar()->showMessage(tr("Error running script"));
133 }
134 
testFunction1()135 void MainWindow::testFunction1()
136 {
137     static int n = 1;
138     QString message;
139     QTextStream(&message) << __FUNCTION__ << " called #" << n++;
140     qDebug().noquote() << message;
141     statusBar()->showMessage(message);
142 }
143