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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 SV_NOTIFYING_PUSH_BUTTON_H
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17 #define SV_NOTIFYING_PUSH_BUTTON_H
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18
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19 #include <QPushButton>
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20
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21 /**
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22 * Very trivial enhancement to QPushButton to make it emit signals
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23 * when the mouse enters and leaves (for context help). See also
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24 * NotifyingToolButton
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25 */
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26
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27 class NotifyingPushButton : public QPushButton
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28 {
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29 Q_OBJECT
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30
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31 public:
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32 NotifyingPushButton(QWidget *parent = 0) :
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33 QPushButton(parent) { }
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34
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35 virtual ~NotifyingPushButton();
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36
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37 signals:
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38 void mouseEntered();
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39 void mouseLeft();
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40
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41 protected:
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42 void enterEvent(QEvent *) override;
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43 void leaveEvent(QEvent *) override;
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44 };
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45
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46 #endif
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47
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