tools/qvfb/qvfbprotocol.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/qvfb/qvfbprotocol.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QVFBPROTOCOL_H
+#define QVFBPROTOCOL_H
+
+#include <QImage>
+#include <QVector>
+#include <QColor>
+
+QT_BEGIN_NAMESPACE
+
+class QVFbKeyProtocol;
+class QVFbMouseProtocol;
+class QVFbViewProtocol : public QObject
+{
+    Q_OBJECT
+public:
+    QVFbViewProtocol(int display_id, QObject *parent = 0);
+
+    virtual ~QVFbViewProtocol();
+
+    int id() const { return mDisplayId; }
+
+    void sendKeyboardData(QString unicode, int keycode,
+            int modifiers, bool press, bool repeat);
+    void sendMouseData(const QPoint &pos, int buttons, int wheel);
+
+    virtual int width() const = 0;
+    virtual int height() const = 0;
+    virtual int depth() const = 0;
+    virtual int linestep() const = 0;
+    virtual int  numcols() const = 0;
+    virtual QVector<QRgb> clut() const = 0;
+    virtual unsigned char *data() const = 0;
+    virtual int brightness() const = 0;
+
+    virtual void setRate(int) {}
+public slots:
+    virtual void flushChanges();
+
+signals:
+    void displayDataChanged(const QRect &);
+    void displayEmbedRequested(WId windowId);
+
+protected:
+    virtual QVFbKeyProtocol *keyHandler() const = 0;
+    virtual QVFbMouseProtocol *mouseHandler() const = 0;
+
+private:
+    int mDisplayId;
+};
+
+class QVFbKeyProtocol
+{
+public:
+    QVFbKeyProtocol(int display_id) : mDisplayId(display_id) {}
+    virtual ~QVFbKeyProtocol() {}
+
+    int id() const { return mDisplayId; }
+
+    virtual void sendKeyboardData(QString unicode, int keycode,
+            int modifiers, bool press, bool repeat) = 0;
+
+private:
+    int mDisplayId;
+};
+
+class QVFbMouseProtocol
+{
+public:
+    QVFbMouseProtocol(int display_id) : mDisplayId(display_id) {}
+    virtual ~QVFbMouseProtocol() {}
+
+    int id() const { return mDisplayId; }
+
+    virtual void sendMouseData(const QPoint &pos, int buttons, int wheel) = 0;
+
+private:
+    int mDisplayId;
+};
+
+/* since there is very little variation in input protocols defaults are
+   provided */
+
+class QVFbKeyPipeProtocol : public QVFbKeyProtocol
+{
+public:
+    QVFbKeyPipeProtocol(int display_id);
+    ~QVFbKeyPipeProtocol();
+
+    void sendKeyboardData(QString unicode, int keycode,
+            int modifiers, bool press, bool repeat);
+
+    QString pipeName() const { return fileName; }
+private:
+    int fd;
+    QString fileName;
+};
+
+class QVFbMousePipe: public QVFbMouseProtocol
+{
+public:
+    QVFbMousePipe(int display_id);
+    ~QVFbMousePipe();
+
+    void sendMouseData(const QPoint &pos, int buttons, int wheel);
+
+    QString pipeName() const { return fileName; }
+protected:
+    int fd;
+    QString fileName;
+};
+
+class QTimer;
+class QVFbMouseLinuxTP : public QObject, public QVFbMousePipe
+{
+    Q_OBJECT
+public:
+    QVFbMouseLinuxTP(int display_id);
+    ~QVFbMouseLinuxTP();
+
+    void sendMouseData(const QPoint &pos, int buttons, int wheel);
+
+protected slots:
+    void repeatLastPress();
+
+protected:
+    void writeToPipe(const QPoint &pos, ushort pressure);
+    QPoint lastPos;
+    QTimer *repeater;
+};
+
+QT_END_NAMESPACE
+
+#endif