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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 2006-2007 Chris Cannam and 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 _MAIN_WINDOW_BASE_H_
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17 #define _MAIN_WINDOW_BASE_H_
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18
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19 #include <QFrame>
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20 #include <QString>
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21 #include <QUrl>
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22 #include <QMainWindow>
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23 #include <QPointer>
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24
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25 #include "base/Command.h"
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26 #include "view/ViewManager.h"
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27 #include "base/PropertyContainer.h"
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28 #include "base/RecentFiles.h"
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29 #include "layer/LayerFactory.h"
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30 #include "transform/Transform.h"
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31 #include "document/SVFileReader.h"
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32 #include "data/fileio/FileFinder.h"
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33 #include "data/fileio/FileSource.h"
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34 #include <map>
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35
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36 class Document;
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37 class PaneStack;
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38 class Pane;
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39 class View;
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40 class Fader;
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41 class Overview;
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42 class Layer;
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43 class WaveformLayer;
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44 class WaveFileModel;
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45 class AudioCallbackPlaySource;
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46 class AudioCallbackPlayTarget;
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47 class CommandHistory;
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48 class QMenu;
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49 class AudioDial;
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50 class QLabel;
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51 class QCheckBox;
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52 class PreferencesDialog;
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53 class QTreeView;
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54 class QPushButton;
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55 class OSCQueue;
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56 class OSCMessage;
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57 class KeyReference;
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58 class Labeller;
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59
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60 /**
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61 * The base class for the SV main window. This includes everything to
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62 * do with general document and pane stack management, but nothing
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63 * that involves user interaction -- this doesn't create the widget or
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64 * menu structures or editing tools, and if a function needs to open a
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65 * dialog, it shouldn't be in here. This permits "variations on SV"
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66 * to use different subclasses retaining the same general structure.
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67 */
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68
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69 class MainWindowBase : public QMainWindow
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70 {
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71 Q_OBJECT
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72
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73 public:
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74 MainWindowBase(bool withAudioOutput, bool withOSCSupport);
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75 virtual ~MainWindowBase();
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76
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77 enum AudioFileOpenMode {
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78 ReplaceMainModel,
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79 CreateAdditionalModel,
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80 ReplaceCurrentPane,
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81 AskUser
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82 };
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83
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84 enum FileOpenStatus {
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85 FileOpenSucceeded,
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86 FileOpenFailed,
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87 FileOpenCancelled,
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88 FileOpenWrongMode // attempted to open layer when no main model present
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89 };
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90
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91 virtual FileOpenStatus open(QString fileOrUrl, AudioFileOpenMode = AskUser);
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92 virtual FileOpenStatus open(FileSource source, AudioFileOpenMode = AskUser);
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93
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94 virtual FileOpenStatus openAudio(FileSource source, AudioFileOpenMode = AskUser);
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95 virtual FileOpenStatus openPlaylist(FileSource source, AudioFileOpenMode = AskUser);
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96 virtual FileOpenStatus openLayer(FileSource source);
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97 virtual FileOpenStatus openImage(FileSource source);
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98
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99 virtual FileOpenStatus openSessionFile(QString fileOrUrl);
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100 virtual FileOpenStatus openSession(FileSource source);
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101
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102 virtual bool saveSessionFile(QString path);
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103
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104 signals:
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105 // Used to toggle the availability of menu actions
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106 void canAddPane(bool);
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107 void canDeleteCurrentPane(bool);
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108 void canAddLayer(bool);
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109 void canImportMoreAudio(bool);
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110 void canImportLayer(bool);
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111 void canExportAudio(bool);
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112 void canExportLayer(bool);
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113 void canExportImage(bool);
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114 void canRenameLayer(bool);
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115 void canEditLayer(bool);
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116 void canMeasureLayer(bool);
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117 void canSelect(bool);
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118 void canClearSelection(bool);
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119 void canEditSelection(bool);
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120 void canDeleteSelection(bool);
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121 void canPaste(bool);
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122 void canInsertInstant(bool);
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123 void canInsertInstantsAtBoundaries(bool);
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124 void canRenumberInstants(bool);
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125 void canDeleteCurrentLayer(bool);
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126 void canZoom(bool);
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127 void canScroll(bool);
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128 void canPlay(bool);
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129 void canFfwd(bool);
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130 void canRewind(bool);
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131 void canPlaySelection(bool);
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132 void canSpeedUpPlayback(bool);
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133 void canSlowDownPlayback(bool);
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134 void canChangePlaybackSpeed(bool);
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135 void canSave(bool);
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136
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137 public slots:
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138 virtual void preferenceChanged(PropertyContainer::PropertyName);
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139
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140 protected slots:
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141 virtual void zoomIn();
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142 virtual void zoomOut();
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143 virtual void zoomToFit();
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144 virtual void zoomDefault();
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145 virtual void scrollLeft();
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146 virtual void scrollRight();
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147 virtual void jumpLeft();
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148 virtual void jumpRight();
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149
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150 virtual void showNoOverlays();
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151 virtual void showMinimalOverlays();
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152 virtual void showStandardOverlays();
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153 virtual void showAllOverlays();
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154
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155 virtual void toggleZoomWheels();
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156 virtual void togglePropertyBoxes();
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157 virtual void toggleStatusBar();
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158
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159 virtual void play();
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160 virtual void ffwd();
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161 virtual void ffwdEnd();
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162 virtual void rewind();
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163 virtual void rewindStart();
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164 virtual void stop();
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165
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166 virtual void deleteCurrentPane();
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167 virtual void deleteCurrentLayer();
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168
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169 virtual void playLoopToggled();
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170 virtual void playSelectionToggled();
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171 virtual void playSoloToggled();
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172
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173 virtual void sampleRateMismatch(size_t, size_t, bool) = 0;
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174 virtual void audioOverloadPluginDisabled() = 0;
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175
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176 virtual void playbackFrameChanged(unsigned long);
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177 virtual void globalCentreFrameChanged(unsigned long);
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178 virtual void viewCentreFrameChanged(View *, unsigned long);
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179 virtual void viewZoomLevelChanged(View *, unsigned long, bool);
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180 virtual void outputLevelsChanged(float, float) = 0;
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181
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182 virtual void currentPaneChanged(Pane *);
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183 virtual void currentLayerChanged(Pane *, Layer *);
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184
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185 virtual void selectAll();
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186 virtual void selectToStart();
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187 virtual void selectToEnd();
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188 virtual void selectVisible();
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189 virtual void clearSelection();
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190
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191 virtual void cut();
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192 virtual void copy();
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193 virtual void paste();
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194 virtual void deleteSelected();
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195
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196 virtual void insertInstant();
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197 virtual void insertInstantAt(size_t);
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198 virtual void insertInstantsAtBoundaries();
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199 virtual void renumberInstants();
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200
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201 virtual void documentModified();
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202 virtual void documentRestored();
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203
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204 virtual void layerAdded(Layer *);
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205 virtual void layerRemoved(Layer *);
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206 virtual void layerAboutToBeDeleted(Layer *);
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207 virtual void layerInAView(Layer *, bool);
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208
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209 virtual void mainModelChanged(WaveFileModel *);
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210 virtual void modelAdded(Model *);
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211 virtual void modelAboutToBeDeleted(Model *);
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212
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213 virtual void updateMenuStates();
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214 virtual void updateDescriptionLabel() = 0;
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215
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216 virtual void modelGenerationFailed(QString) = 0;
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217 virtual void modelRegenerationFailed(QString, QString) = 0;
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218
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219 virtual void rightButtonMenuRequested(Pane *, QPoint point) = 0;
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220
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221 virtual void paneAdded(Pane *) = 0;
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222 virtual void paneHidden(Pane *) = 0;
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223 virtual void paneAboutToBeDeleted(Pane *) = 0;
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224 virtual void paneDropAccepted(Pane *, QStringList) = 0;
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225 virtual void paneDropAccepted(Pane *, QString) = 0;
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226
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227 virtual void pollOSC();
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228 virtual void handleOSCMessage(const OSCMessage &) = 0;
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229
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230 virtual void contextHelpChanged(const QString &);
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231 virtual void inProgressSelectionChanged();
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232
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233 virtual void closeSession() = 0;
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234
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235 protected:
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236 QString m_sessionFile;
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237 QString m_audioFile;
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238 Document *m_document;
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239
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240 QLabel *m_descriptionLabel;
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241 PaneStack *m_paneStack;
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242 ViewManager *m_viewManager;
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243 Layer *m_timeRulerLayer;
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244
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245 bool m_audioOutput;
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246 AudioCallbackPlaySource *m_playSource;
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247 AudioCallbackPlayTarget *m_playTarget;
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248
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249 OSCQueue *m_oscQueue;
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250
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251 RecentFiles m_recentFiles;
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252 RecentFiles m_recentTransforms;
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253
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254 bool m_documentModified;
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255 bool m_openingAudioFile;
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256 bool m_abandoning;
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257
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258 Labeller *m_labeller;
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259
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260 int m_lastPlayStatusSec;
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261 mutable QString m_myStatusMessage;
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262
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263 bool m_initialDarkBackground;
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264
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265 WaveFileModel *getMainModel();
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266 const WaveFileModel *getMainModel() const;
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267 void createDocument();
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268
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269 Pane *addPaneToStack();
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270 Layer *getSnapLayer() const;
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271
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272 class PaneCallback : public SVFileReaderPaneCallback
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273 {
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274 public:
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275 PaneCallback(MainWindowBase *mw) : m_mw(mw) { }
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276 virtual Pane *addPane() { return m_mw->addPaneToStack(); }
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277 virtual void setWindowSize(int width, int height) {
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278 m_mw->resize(width, height);
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279 }
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280 virtual void addSelection(int start, int end) {
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281 m_mw->m_viewManager->addSelection(Selection(start, end));
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282 }
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283 protected:
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284 MainWindowBase *m_mw;
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285 };
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286
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287 class AddPaneCommand : public Command
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288 {
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289 public:
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290 AddPaneCommand(MainWindowBase *mw);
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291 virtual ~AddPaneCommand();
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292
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293 virtual void execute();
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294 virtual void unexecute();
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295 virtual QString getName() const;
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296
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297 Pane *getPane() { return m_pane; }
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298
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299 protected:
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300 MainWindowBase *m_mw;
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301 Pane *m_pane; // Main window owns this, but I determine its lifespan
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302 Pane *m_prevCurrentPane; // I don't own this
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303 bool m_added;
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304 };
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305
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306 class RemovePaneCommand : public Command
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307 {
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308 public:
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309 RemovePaneCommand(MainWindowBase *mw, Pane *pane);
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310 virtual ~RemovePaneCommand();
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311
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312 virtual void execute();
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313 virtual void unexecute();
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314 virtual QString getName() const;
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315
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316 protected:
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317 MainWindowBase *m_mw;
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318 Pane *m_pane; // Main window owns this, but I determine its lifespan
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319 Pane *m_prevCurrentPane; // I don't own this
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320 bool m_added;
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321 };
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322
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323 virtual bool checkSaveModified() = 0;
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324
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325 virtual QString getOpenFileName(FileFinder::FileType type);
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326 virtual QString getSaveFileName(FileFinder::FileType type);
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327 virtual void registerLastOpenedFilePath(FileFinder::FileType type, QString path);
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328
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329 virtual void createPlayTarget();
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330 virtual void openHelpUrl(QString url);
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331
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332 virtual void setupMenus() = 0;
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333 virtual void updateVisibleRangeDisplay(Pane *p) const = 0;
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334
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335 virtual void toXml(QTextStream &stream);
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336 };
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337
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338
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339 #endif
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