src/ui/Gesture.h

   1 /* Shopper
   2  * Copyright (C) 2008 David Greaves
   3  *
   4  * This software is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public License
   6  * as published by the Free Software Foundation; either version 2.1 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This software is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this software; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  *
  19  */
  20
  21 #ifndef GESTURE_H
  22 #define GESTURE_H
  23 #include <QObject>
  24
  25 class GestureConnectionStore : public QObject
  26 {
  27         Q_OBJECT;
  28         GestureConnectionStore();
  29 signals:
  30         void activated();
  31         friend class Gesture;
  32 };
  33
  34 // A Gesture is a shape
  35 class Gesture
  36 {
  37 public:
  38         Gesture(QString shape);
  39         Gesture(const Gesture &g);               // Copy constructor
  40     ~Gesture();
  41
  42         void addStroke(QString stroke);
  43         QString shape() const;
  44
  45 protected:
  46         friend class GestureWatcher;      // Can see these methods
  47         friend bool operator==(const Gesture &A, const Gesture &B);
  48         friend uint qHash(const Gesture &A);
  49
  50         Gesture(Gesture *g);              // Copy constructor
  51         void connect(QObject* receiver, const char* method);
  52         bool disconnect(QObject* receiver, const char* method);
  53         void invoke();
  54
  55 private:
  56         struct Private;
  57         struct Connection;
  58         Private *p;
  59
  60 };
  61
  62 bool operator==(const Gesture &A, const Gesture &B);
  63 uint qHash(const Gesture &A);
  64
  65 #endif //GESTURE_H