1 files changed, 110 insertions, 0 deletions
diff --git a/kcontrol/joystick/joydevice.h b/kcontrol/joystick/joydevice.h
new file mode 100644
index 000000000..b84464241
--- /dev/null
+++ b/kcontrol/joystick/joydevice.h
@@ -0,0 +1,110 @@
+/***************************************************************************
+ *   Copyright (C) 2003 by Martin Koller                                   *
+ *   m.koller@surfeu.at                                                    *
+ *   This file is part of the KDE Control Center Module for Joysticks      *
+ *                                                                         *
+ *   This program 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 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+#ifndef _JOYDEVICE_H_
+#define _JOYDEVICE_H_
+
+#include <qstring.h>
+
+#include <sys/types.h>
+#undef __STRICT_ANSI__
+#include <linux/joystick.h>
+#define __STRICT_ANSI__
+
+// helper class which holds all current values, file descriptor, etc. for
+// one device
+class JoyDevice
+{
+  public:
+    enum ErrorCode
+    {
+      SUCCESS,
+      OPEN_FAILED,
+      NO_JOYSTICK,
+      WRONG_VERSION,
+      ERR_GET_VERSION,
+      ERR_GET_BUTTONS,
+      ERR_GET_AXES,
+      ERR_GET_CORR,
+      ERR_RESTORE_CORR,
+      ERR_INIT_CAL,
+      ERR_APPLY_CAL
+    };
+
+    enum EventType
+    {
+      BUTTON,
+      AXIS
+    };
+
+    // devicefile to use, e.g. "/dev/js0"
+    JoyDevice(const QString &devicefile);
+    ~JoyDevice();
+
+    // returns one of the error-codes from above
+    ErrorCode open();
+
+    // return descriptive error text for given error code
+    QString errText(ErrorCode code) const;
+
+    int fd() const { return joyFd; }
+    void close();
+    ErrorCode restoreCorr();
+
+    // return devicefilename from constructor
+    const QString &device() const { return devName; }
+
+    // descriptive text for this device read from the driver
+    QString text() const { return descr; }
+
+    int numButtons() const { return buttons; }
+    int numAxes() const { return axes; }
+    int axisMin(int axis) const;
+    int axisMax(int axis) const;
+
+    // read next event from device; returns true if there was an event during the short timeout
+    bool getEvent(JoyDevice::EventType &type, int &number, int &value);
+
+    // methods for calibration
+    ErrorCode initCalibration();  // must be called first
+    void calcPrecision();
+
+    void resetMinMax(int axis, int value = 0);
+
+    // calculate correction values
+    // min[2], center[2], max[2], index 0 == minimum, index 1 == maximum
+    void calcCorrection(int axis, int *min, int *center, int *max);
+    ErrorCode applyCalibration();
+
+  private:
+    QString devName;  // device filename
+    QString descr;    // descriptive text
+    int joyFd;
+
+    int buttons;
+    int axes;
+    int *amin;  // axes min values
+    int *amax;  // axes max values
+
+    struct js_corr *corr;  // calibration values during the calib. steps
+    struct js_corr *origCorr;  // original calibration correction values
+};
+
+#endif