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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2007 QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _NOTIFYING_COMBO_BOX_H_
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17 #define _NOTIFYING_COMBO_BOX_H_
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18
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19 #include <QComboBox>
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20
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21 /**
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22 * Very trivial enhancement to QComboBox to make it emit signals when
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23 * the mouse enters and leaves (for context help).
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24 */
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25
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26 class NotifyingComboBox : public QComboBox
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27 {
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28 Q_OBJECT
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29 public:
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30
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31 NotifyingComboBox(QWidget *parent = 0) :
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32 QComboBox(parent) { }
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33
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34 virtual ~NotifyingComboBox();
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35
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36 signals:
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37 void mouseEntered();
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38 void mouseLeft();
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39
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40 protected:
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41 virtual void enterEvent(QEvent *);
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42 virtual void leaveEvent(QEvent *);
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43 };
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44
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45 #endif
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46
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