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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 Chris Cannam.
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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_H_
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17 #define _MAIN_WINDOW_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 <QMainWindow>
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22 #include <QPointer>
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23
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24 #include "base/Command.h"
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25 #include "view/ViewManager.h"
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26 #include "base/PropertyContainer.h"
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27 #include "layer/LayerFactory.h"
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28 #include "transform/Transform.h"
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29 #include "document/SVFileReader.h"
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30 #include <map>
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31
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32 class Document;
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33 class PaneStack;
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34 class Pane;
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35 class View;
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36 class Fader;
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37 class Panner;
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38 class Layer;
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39 class WaveformLayer;
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40 class WaveFileModel;
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41 class AudioCallbackPlaySource;
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42 class AudioCallbackPlayTarget;
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43 class CommandHistory;
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44 class QMenu;
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45 class AudioDial;
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46 class QLabel;
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47 class QCheckBox;
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48 class PreferencesDialog;
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49
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50
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51 class MainWindow : public QMainWindow
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52 {
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53 Q_OBJECT
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54
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55 public:
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56 MainWindow();
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57 virtual ~MainWindow();
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58
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59 enum AudioFileOpenMode {
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60 ReplaceMainModel,
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61 CreateAdditionalModel,
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62 AskUser
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63 };
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64
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65 bool openSomeFile(QString path);
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66 bool openAudioFile(QString path, AudioFileOpenMode = AskUser);
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67 bool openLayerFile(QString path);
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68 bool openSessionFile(QString path);
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69 bool saveSessionFile(QString path);
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70 bool commitData(bool mayAskUser); // on session shutdown
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71
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72 signals:
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73 // Used to toggle the availability of menu actions
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74 void canAddPane(bool);
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75 void canDeleteCurrentPane(bool);
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76 void canAddLayer(bool);
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77 void canImportMoreAudio(bool);
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78 void canImportLayer(bool);
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79 void canExportAudio(bool);
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80 void canExportLayer(bool);
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81 void canRenameLayer(bool);
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82 void canEditLayer(bool);
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83 void canSelect(bool);
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84 void canClearSelection(bool);
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85 void canEditSelection(bool);
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86 void canPaste(bool);
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87 void canInsertInstant(bool);
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88 void canDeleteCurrentLayer(bool);
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89 void canZoom(bool);
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90 void canScroll(bool);
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91 void canPlay(bool);
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92 void canFfwd(bool);
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93 void canRewind(bool);
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94 void canPlaySelection(bool);
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95 void canSave(bool);
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96
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97 protected slots:
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98 void openSession();
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99 void importAudio();
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100 void importMoreAudio();
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101 void openSomething();
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102 void openRecentFile();
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103 void exportAudio();
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104 void importLayer();
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105 void exportLayer();
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106 void saveSession();
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107 void saveSessionAs();
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108 void newSession();
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109 void closeSession();
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110 void preferences();
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111
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112 void zoomIn();
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113 void zoomOut();
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114 void zoomToFit();
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115 void zoomDefault();
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116 void scrollLeft();
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117 void scrollRight();
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118 void jumpLeft();
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119 void jumpRight();
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120
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121 void showNoOverlays();
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122 void showBasicOverlays();
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123 void showAllTextOverlays();
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124
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125 void toggleZoomWheels();
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126
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127 void play();
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128 void ffwd();
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129 void ffwdEnd();
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130 void rewind();
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131 void rewindStart();
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132 void stop();
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133
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134 void addPane();
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135 void addLayer();
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136 void deleteCurrentPane();
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137 void renameCurrentLayer();
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138 void deleteCurrentLayer();
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139
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140 void playLoopToggled();
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141 void playSelectionToggled();
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142 void playSpeedChanged(int);
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143 void playSharpenToggled();
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144 void sampleRateMismatch(size_t, size_t, bool);
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145
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146 void outputLevelsChanged(float, float);
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147
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148 void currentPaneChanged(Pane *);
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149 void currentLayerChanged(Pane *, Layer *);
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150
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151 void toolNavigateSelected();
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152 void toolSelectSelected();
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153 void toolEditSelected();
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154 void toolDrawSelected();
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155
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156 void selectAll();
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157 void selectToStart();
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158 void selectToEnd();
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159 void selectVisible();
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160 void clearSelection();
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161 void cut();
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162 void copy();
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163 void paste();
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164 void deleteSelected();
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165 void insertInstant();
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166
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167 void documentModified();
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168 void documentRestored();
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169
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170 void updateMenuStates();
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171 void updateDescriptionLabel();
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172
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173 void layerAdded(Layer *);
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174 void layerRemoved(Layer *);
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175 void layerAboutToBeDeleted(Layer *);
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176 void layerInAView(Layer *, bool);
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177
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178 void mainModelChanged(WaveFileModel *);
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179 void modelAdded(Model *);
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180 void modelAboutToBeDeleted(Model *);
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181
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182 void modelGenerationFailed(QString);
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183 void modelRegenerationFailed(QString, QString);
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184
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185 void rightButtonMenuRequested(Pane *, QPoint point);
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186
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187 void preferenceChanged(PropertyContainer::PropertyName);
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188
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189 void setupRecentFilesMenu();
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190
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191 void showLayerTree();
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192
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193 void website();
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194 void help();
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195 void about();
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196
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197 protected:
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198 QString m_sessionFile;
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199 QString m_audioFile;
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200 Document *m_document;
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201
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202 QLabel *m_descriptionLabel;
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203 PaneStack *m_paneStack;
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204 ViewManager *m_viewManager;
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205 Panner *m_panner;
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206 Fader *m_fader;
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207 AudioDial *m_playSpeed;
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208 QCheckBox *m_playSharpen;
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209 WaveformLayer *m_panLayer;
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210 Layer *m_timeRulerLayer;
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211
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212 AudioCallbackPlaySource *m_playSource;
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213 AudioCallbackPlayTarget *m_playTarget;
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214
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215 bool m_mainMenusCreated;
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216 QMenu *m_paneMenu;
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217 QMenu *m_layerMenu;
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218 QMenu *m_existingLayersMenu;
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219 QMenu *m_recentFilesMenu;
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220 QMenu *m_rightButtonMenu;
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221 QMenu *m_rightButtonLayerMenu;
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222
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223 bool m_documentModified;
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224
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225 QPointer<PreferencesDialog> m_preferencesDialog;
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226
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227 WaveFileModel *getMainModel();
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228 void createDocument();
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229
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230 struct PaneConfiguration {
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231 PaneConfiguration(LayerFactory::LayerType _layer
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232 = LayerFactory::TimeRuler,
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233 int _channel = -1) :
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234 layer(_layer), channel(_channel) { }
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235 LayerFactory::LayerType layer;
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236 int channel;
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237 };
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238
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239 typedef std::map<QAction *, PaneConfiguration> PaneActionMap;
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240 PaneActionMap m_paneActions;
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241
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242 typedef std::map<QAction *, TransformName> TransformActionMap;
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243 TransformActionMap m_layerTransformActions;
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244
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245 typedef std::map<QAction *, LayerFactory::LayerType> LayerActionMap;
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246 LayerActionMap m_layerActions;
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247
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248 typedef std::map<QAction *, Layer *> ExistingLayerActionMap;
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249 ExistingLayerActionMap m_existingLayerActions;
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250
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251 typedef std::map<ViewManager::ToolMode, QAction *> ToolActionMap;
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252 ToolActionMap m_toolActions;
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253
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254 void setupMenus();
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255 void setupExistingLayersMenu();
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256 void setupToolbars();
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257 Pane *addPaneToStack();
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258
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259 class PaneCallback : public SVFileReaderPaneCallback
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260 {
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261 public:
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262 PaneCallback(MainWindow *mw) : m_mw(mw) { }
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263 virtual Pane *addPane() { return m_mw->addPaneToStack(); }
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264 virtual void setWindowSize(int width, int height) {
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265 m_mw->resize(width, height);
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266 }
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267 virtual void addSelection(int start, int end) {
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268 m_mw->m_viewManager->addSelection(Selection(start, end));
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269 }
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270 protected:
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271 MainWindow *m_mw;
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272 };
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273
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274 class AddPaneCommand : public Command
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275 {
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276 public:
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277 AddPaneCommand(MainWindow *mw);
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278 virtual ~AddPaneCommand();
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279
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280 virtual void execute();
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281 virtual void unexecute();
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282 virtual QString getName() const;
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283
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284 Pane *getPane() { return m_pane; }
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285
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286 protected:
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287 MainWindow *m_mw;
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288 Pane *m_pane; // Main window owns this, but I determine its lifespan
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289 Pane *m_prevCurrentPane; // I don't own this
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290 bool m_added;
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291 };
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292
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293 class RemovePaneCommand : public Command
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294 {
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295 public:
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296 RemovePaneCommand(MainWindow *mw, Pane *pane);
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297 virtual ~RemovePaneCommand();
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298
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299 virtual void execute();
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300 virtual void unexecute();
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301 virtual QString getName() const;
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302
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303 protected:
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304 MainWindow *m_mw;
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305 Pane *m_pane; // Main window owns this, but I determine its lifespan
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306 Pane *m_prevCurrentPane; // I don't own this
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307 bool m_added;
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308 };
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309
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310 virtual void closeEvent(QCloseEvent *e);
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311 bool checkSaveModified();
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312
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313 void createPlayTarget();
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314
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315 void openHelpUrl(QString url);
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316
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317 void toXml(QTextStream &stream);
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318 };
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319
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320
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321 #endif
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