refs #412 command input widget

src/blackgui/commandinput.cpp

@@ -0,0 +1,42 @@
+/* Copyright (C) 2015
+ * swift project community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "commandinput.h"
+#include <QDateTime>
+
+namespace BlackGui
+{
+
+    CCommandInput::CCommandInput(QWidget *parent) :
+        QLineEdit(parent)
+    {
+        connect(this, &CCommandInput::returnPressed, this, &CCommandInput::validateCommand);
+    }
+
+    void CCommandInput::validateCommand()
+    {
+        QString commandLine = text();
+        setText(QStringLiteral(""));
+
+        if (commandLine.startsWith('.'))
+        {
+            emit commandEntered(commandLine, commandInputOriginator());
+        }
+    }
+
+    const QString &CCommandInput::commandInputOriginator()
+    {
+        // string is generated once, the timestamp allows to use multiple
+        // components (as long as they are not generated at the same ms)
+        static const QString o = QStringLiteral("COMMANDINPUT:").append(QString::number(QDateTime::currentMSecsSinceEpoch()));
+        return o;
+    }
+
+}
+

src/blackgui/commandinput.h

@@ -0,0 +1,52 @@
+/* Copyright (C) 2015
+ * swift project community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKGUI_COMMANDINPUT_H
+#define BLACKGUI_COMMANDINPUT_H
+
+#include "blackguiexport.h"
+#include <QLineEdit>
+#include <QString>
+
+namespace BlackGui
+{
+
+    //! Specialized LineEdit for command inputs
+    class BLACKGUI_EXPORT CCommandInput : public QLineEdit
+    {
+        Q_OBJECT
+
+    public:
+
+        //! Constructor
+        CCommandInput(QWidget *parent = nullptr);
+
+        //! Destructor
+        ~CCommandInput() {}
+
+    signals:
+
+        //! Command was entered
+        void commandEntered(const QString &command, const QString &originator);
+
+    private slots:
+
+        //! Basic command validation
+        void validateCommand();
+
+    private:
+
+        const QString &commandInputOriginator();
+    };
+
+}
+
+#endif // CCOMMANDINPUT_H