initial import of python-console

3rdparty/python-console/Console.h

@@ -0,0 +1,78 @@
+/**
+python-console
+Copyright (C) 2018  Alex Tsui
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#ifndef ATSUI_CONSOLE_H
+#define ATSUI_CONSOLE_H
+#include <QTextEdit>
+#include <QColor>
+#include "ParseHelper.h"
+#include "ParseListener.h"
+
+class QWidget;
+class QKeyEvent;
+class Interpreter;
+
+class Console : public QTextEdit, ParseListener
+{
+    Q_OBJECT
+
+public:
+    Console( QWidget* parent = 0 );
+    virtual ~Console( );
+
+protected:
+    // override QTextEdit
+    virtual void keyPressEvent( QKeyEvent* e );
+
+    virtual void handleReturnKeyPress( );
+
+    /**
+    Handle a compilable chunk of Python user input.
+    */
+    virtual void parseEvent( const ParseMessage& message );
+
+    QString getLine( );
+    bool cursorIsOnInputLine( );
+    bool inputLineIsEmpty( );
+    bool canBackspace( );
+    bool canGoLeft( );
+    void displayPrompt( );
+    void autocomplete( );
+    void previousHistory( );
+    void nextHistory( );
+    void moveCursorToEnd( );
+
+    static const QString PROMPT;
+    static const QString MULTILINE_PROMPT;
+
+    static const QColor NORMAL_COLOR;
+    static const QColor ERROR_COLOR;
+    static const QColor OUTPUT_COLOR;
+
+    Interpreter* m_interpreter;
+    ParseHelper m_parseHelper;
+    std::list<std::string> m_historyBuffer;
+    std::list<std::string>::const_iterator m_historyIt;
+};
+
+#endif // ATSUI_CONSOLE_H