1 /******************************************************************* 2 3 Part of the Fritzing project - http://fritzing.org 4 Copyright (c) 2007-2014 Fachhochschule Potsdam - http://fh-potsdam.de 5 6 Fritzing is free software: you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation, either version 3 of the License, or 9 (at your option) any later version. 10 11 Fritzing is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with Fritzing. If not, see <http://www.gnu.org/licenses/>. 18 19 ******************************************************************** 20 21 $Revision: 6141 $: 22 $Author: cohen@irascible.com $: 23 $Date: 2012-07-04 21:20:05 +0200 (Mi, 04. Jul 2012) $ 24 25 ********************************************************************/ 26 27 #ifndef CURSORMASTER_H 28 #define CURSORMASTER_H 29 30 #include <QCursor> 31 #include <QObject> 32 33 class CursorKeyListener 34 { 35 public: 36 virtual void cursorKeyEvent(Qt::KeyboardModifiers) = 0; 37 }; 38 39 class CursorMaster : public QObject { 40 Q_OBJECT 41 42 protected: 43 CursorMaster(); 44 45 public: 46 static CursorMaster * instance(); 47 static void initCursors(); 48 49 void addCursor(QObject * listener, const QCursor & cursor); 50 void removeCursor(QObject * listener); 51 void block(); 52 void unblock(); 53 54 protected: 55 bool eventFilter(QObject *obj, QEvent *event); 56 57 protected slots: 58 void deleteCursor(QObject *); 59 void moveCursor(); 60 61 public: 62 static void cleanup(); 63 64 public: 65 static QCursor * BendpointCursor; 66 static QCursor * NewBendpointCursor; 67 static QCursor * MakeWireCursor; 68 static QCursor * MakeCurveCursor; 69 static QCursor * RubberbandCursor; 70 static QCursor * MoveCursor; 71 static QCursor * BendlegCursor; 72 static QCursor * RotateCursor; 73 static QCursor * ScaleCursor; 74 75 protected: 76 static CursorMaster TheCursorMaster; 77 bool m_blocked; 78 }; 79 80 #endif 81