/[svn]/qsampler/trunk/src/qsamplerChannelStrip.h
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Contents of /qsampler/trunk/src/qsamplerChannelStrip.h

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Revision 3555 - (show annotations) (download) (as text)
Tue Aug 13 10:19:32 2019 UTC (8 days, 12 hours ago) by capela
File MIME type: text/x-c++hdr
File size: 3056 byte(s)
- In late compliance to C++11, all NULL constants replaced for nullptr.
1 // qsamplerChannelStrip.h
2 //
3 /****************************************************************************
4 Copyright (C) 2004-2019, rncbc aka Rui Nuno Capela. All rights reserved.
5 Copyright (C) 2007, 2008, 2014 Christian Schoenebeck
6
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 as published by the Free Software Foundation; either version 2
10 of the License, or (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20
21 *****************************************************************************/
22
23 #ifndef __qsamplerChannelStrip_h
24 #define __qsamplerChannelStrip_h
25
26 #include "ui_qsamplerChannelStrip.h"
27
28 #include "qsamplerChannel.h"
29
30 class QDragEnterEvent;
31 class QTimer;
32 class QMenu;
33
34
35 namespace QSampler {
36
37 //-------------------------------------------------------------------------
38 // QSampler::ChannelStrip -- Channel strip form interface.
39 //
40
41 class ChannelStrip : public QWidget
42 {
43 Q_OBJECT
44
45 public:
46
47 ChannelStrip(QWidget* pParent = nullptr, Qt::WindowFlags wflags = 0);
48 ~ChannelStrip();
49
50 void setup(Channel *pChannel);
51
52 Channel *channel() const;
53
54 void setDisplayFont(const QFont& font);
55 QFont displayFont() const;
56
57 void setDisplayEffect(bool bDisplayEffect);
58
59 void setMaxVolume(int iMaxVolume);
60
61 bool updateInstrumentName(bool bForce);
62 bool updateChannelVolume();
63 bool updateChannelInfo();
64 bool updateChannelUsage();
65
66 void resetErrorCount();
67
68 // Channel strip activation/selection.
69 void setSelected(bool bSelected);
70 bool isSelected() const;
71
72 signals:
73
74 void channelChanged(ChannelStrip*);
75
76 public slots:
77
78 bool channelSetup();
79 bool channelMute(bool bMute);
80 bool channelSolo(bool bSolo);
81 void channelEdit();
82 bool channelFxEdit();
83 bool channelReset();
84 void volumeChanged(int iVolume);
85
86 void midiActivityLedOn();
87
88 protected:
89
90 void dragEnterEvent(QDragEnterEvent* pDragEnterEvent);
91 void dropEvent(QDropEvent* pDropEvent);
92 void contextMenuEvent(QContextMenuEvent* pEvent);
93
94 protected slots:
95
96 void midiActivityLedOff();
97 void instrumentListPopupItemClicked(QAction* action);
98
99 private:
100
101 Ui::qsamplerChannelStrip m_ui;
102
103 Channel *m_pChannel;
104 int m_iDirtyChange;
105 int m_iErrorCount;
106 QMenu* m_instrumentListPopupMenu;
107
108 QTimer *m_pMidiActivityTimer;
109
110 // MIDI activity pixmap common resources.
111 static int g_iMidiActivityRefCount;
112 static QPixmap *g_pMidiActivityLedOn;
113 static QPixmap *g_pMidiActivityLedOff;
114
115 // Channel strip activation/selection.
116 static ChannelStrip *g_pSelectedStrip;
117 };
118
119 } // namespace QSampler
120
121 #endif // __qsamplerChannelStrip_h
122
123
124 // end of qsamplerChannelStrip.h

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