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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 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 #include "MainWindow.h"
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17
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18 #include "system/System.h"
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19 #include "system/Init.h"
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20 #include "base/TempDirectory.h"
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21 #include "base/PropertyContainer.h"
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22 #include "base/Preferences.h"
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23 #include "widgets/TipDialog.h"
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24 #include "transform/TransformFactory.h"
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25
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26 #include <QMetaType>
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27 #include <QApplication>
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28 #include <QDesktopWidget>
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29 #include <QMessageBox>
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30 #include <QTranslator>
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31 #include <QLocale>
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32 #include <QSettings>
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33 #include <QIcon>
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34 #include <QSessionManager>
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35 #include <QDir>
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36 #include <QSplashScreen>
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37 #include <QTimer>
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38 #include <QPainter>
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39 #include <QFileOpenEvent>
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40
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41 #include "../version.h"
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42
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43 #include <iostream>
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44 #include <signal.h>
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45
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46 #ifdef HAVE_FFTW3F
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47 #include <fftw3.h>
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48 #endif
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49
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50 /*! \mainpage Sonic Visualiser
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51
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52 \section interesting Summary of interesting classes
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53
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54 - Data models: Model and subclasses, e.g. WaveFileModel
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55
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56 - Graphical layers: Layer and subclasses, displayed on View and its
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57 subclass widgets.
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58
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59 - Main window class, document class, and file parser: MainWindow,
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60 Document, SVFileReader
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61
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62 - Turning one model (e.g. audio) into another (e.g. more audio, or a
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63 curve extracted from it): Transform, encapsulating the data that need
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64 to be stored to be able to reproduce a given transformation;
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65 TransformFactory, for discovering the available types of transform;
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66 ModelTransformerFactory, ModelTransformer and subclasses, providing
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67 the mechanisms for applying transforms to data models
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68
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69 - Creating the plugins used by transforms: RealTimePluginFactory,
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70 FeatureExtractionPluginFactory. See also the API documentation for
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71 Vamp feature extraction plugins at
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72 http://www.vamp-plugins.org/code-doc/.
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73
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74 - File reading and writing code: AudioFileReader and subclasses,
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75 WavFileWriter, DataFileReader, SVFileReader
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76
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77 - FFT calculation and cacheing: FFTModel, FFTDataServer
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78
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79 - Widgets that show groups of editable properties: PropertyBox for
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80 layer properties (contained in a PropertyStack), PluginParameterBox
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81 for plugins (contained in a PluginParameterDialog)
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82
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83 - Audio playback: AudioCallbackPlaySource and subclasses,
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84 AudioCallbackPlayTarget and subclasses, AudioGenerator
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85
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86 \section model Data sources: the Model hierarchy
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87
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88 A Model is something containing, or knowing how to obtain, data.
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89
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90 For example, WaveFileModel is a model that knows how to get data
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91 from an audio file; SparseTimeValueModel is a model containing
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92 editable "curve" data.
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93
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94 Models typically subclass one of a number of abstract subclasses of
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95 Model. For example, WaveFileModel subclasses DenseTimeValueModel,
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96 which describes an interface for models that have a value at each
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97 time point for a given sampling resolution. (Note that
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98 WaveFileModel does not actually read the files itself: it uses
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99 AudioFileReader classes for that. It just makes data from the
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100 files available in a Model.) SparseTimeValueModel uses the
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101 SparseModel template class, which provides most of the
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102 implementation for models that contain a series of points of some
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103 sort -- also used by NoteModel, TextModel, and
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104 SparseOneDimensionalModel.
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105
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106 Everything that goes on the screen originates from a model, via a
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107 layer (see below). The models are contained in a Document object.
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108 There is no containment hierarchy or ordering of models in the
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109 document. One model is the main model, which defines the sample
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110 rate for playback.
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111
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112 A model may also be marked as a "derived" model, which means it was
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113 generated from another model using some transform (feature
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114 extraction or effect plugin, etc) -- the idea being that they can
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115 be re-generated using the same transform if a new source model is
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116 loaded.
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117
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118 \section layer Things that can display data: the Layer hierarchy
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119
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120 A Layer is something that knows how to draw parts of a model onto a
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121 timeline.
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122
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123 For example, WaveformLayer is a layer which draws waveforms, based
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124 on WaveFileModel; TimeValueLayer draws curves, based on
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125 SparseTimeValueModel; SpectrogramLayer draws spectrograms, based on
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126 WaveFileModel (via FFTModel).
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127
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128 The most basic functions of a layer are: to draw itself onto a
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129 Pane, against a timeline on the x axis; and to permit user
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130 interaction. If you were thinking of adding the capability to
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131 display a new sort of something, then you would want to add a new
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132 layer type. (You may also need a new model type, depending on
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133 whether any existing model can capture the data you need.)
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134 Depending on the sort of data in question, there are various
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135 existing layers that might be appropriate to start from -- for
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136 example, a layer that displays images that the user has imported
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137 and associated with particular times might have something in common
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138 with the existing TextLayer which displays pieces of text that are
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139 associated with particular times.
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140
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141 Although layers are visual objects, they are contained in the
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142 Document in Sonic Visualiser rather than being managed together
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143 with display widgets. The Sonic Visualiser file format has
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144 separate data and layout sections, and the layers are defined in
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145 the data section and then referred to in the layout section which
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146 determines which layers may go on which panes (see Pane below).
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147
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148 Once a layer class is defined, some basic data about it needs to be
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149 set up in the LayerFactory class, and then it will appear in the
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150 menus and so on on the main window.
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151
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152 \section view Widgets that are used to show layers: The View hierarchy
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153
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154 A View is a widget that displays a stack of layers. The most
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155 important subclass is Pane, the widget that is used to show most of
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156 the data in the main window of Sonic Visualiser.
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157
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158 All a pane really does is contain a set of layers and get them to
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159 render themselves (one on top of the other, with the topmost layer
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160 being the one that is currently interacted with), cache the
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161 results, negotiate user interaction with them, and so on. This is
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162 generally fiddly, if not especially interesting. Panes are
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163 strictly layout objects and are not stored in the Document class;
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164 instead the MainWindow contains a PaneStack widget (the widget that
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165 takes up most of Sonic Visualiser's main window) which contains a
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166 set of panes stacked vertically.
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167
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168 Another View subclass is Overview, which is the widget that
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169 contains that green waveform showing the entire file at the bottom
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170 of the window.
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171
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172 */
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173
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174 static QMutex cleanupMutex;
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175
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176 static void
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177 signalHandler(int /* signal */)
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178 {
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179 // Avoid this happening more than once across threads
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180
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181 cleanupMutex.lock();
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182 std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
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183 TempDirectory::getInstance()->cleanup();
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184 exit(0); // without releasing mutex
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185 }
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186
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187 class SVApplication : public QApplication
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188 {
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189 public:
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190 SVApplication(int &argc, char **argv) :
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191 QApplication(argc, argv),
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192 m_readyForFiles(false),
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193 m_filepathQueue(QStringList()),
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194 m_mainWindow(0)
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195 { }
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196 virtual ~SVApplication() { }
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197
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198 void setMainWindow(MainWindow *mw) { m_mainWindow = mw; }
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199 void releaseMainWindow() { m_mainWindow = 0; }
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200
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201 virtual void commitData(QSessionManager &manager) {
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202 if (!m_mainWindow) return;
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203 bool mayAskUser = manager.allowsInteraction();
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204 bool success = m_mainWindow->commitData(mayAskUser);
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205 manager.release();
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206 if (!success) manager.cancel();
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207 }
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208
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209 void handleFilepathArgument(QString path, QSplashScreen *splash);
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210
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211 bool m_readyForFiles;
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212 QStringList m_filepathQueue;
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213
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214 protected:
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215 MainWindow *m_mainWindow;
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216 bool event(QEvent *);
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217
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218 };
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219
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220 int
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221 main(int argc, char **argv)
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222 {
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223 svSystemSpecificInitialisation();
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224
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225 #ifdef Q_WS_X11
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226 #if QT_VERSION >= 0x040500
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227 // QApplication::setGraphicsSystem("raster");
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228 #endif
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229 #endif
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230
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231 SVApplication application(argc, argv);
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232
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233 QStringList args = application.arguments();
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234
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235 signal(SIGINT, signalHandler);
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236 signal(SIGTERM, signalHandler);
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237
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238 #ifndef Q_WS_WIN32
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239 signal(SIGHUP, signalHandler);
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240 signal(SIGQUIT, signalHandler);
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241 #endif
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242
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243 bool audioOutput = true;
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244 bool oscSupport = true;
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245
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246 if (args.contains("--help") || args.contains("-h") || args.contains("-?")) {
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247 std::cerr << QApplication::tr(
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248 "\nSonic Visualiser is a program for viewing and exploring audio data\nfor semantic music analysis and annotation.\n\nUsage:\n\n %1 [--no-audio] [--no-osc] [<file> ...]\n\n --no-audio: Do not attempt to open an audio output device\n --no-osc: Do not provide an Open Sound Control port for remote control\n <file>: One or more Sonic Visualiser (.sv) and audio files may be provided.\n").arg(argv[0]) << std::endl;
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249 exit(2);
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250 }
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251
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252 if (args.contains("--no-audio")) audioOutput = false;
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253 if (args.contains("--no-osc")) oscSupport = false;
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254
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255 QApplication::setOrganizationName("sonic-visualiser");
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256 QApplication::setOrganizationDomain("sonicvisualiser.org");
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257 QApplication::setApplicationName(QApplication::tr("Sonic Visualiser"));
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258
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259 QSplashScreen *splash = 0;
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260
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261 QSettings settings;
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262
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263 settings.beginGroup("Preferences");
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264 if (settings.value("show-splash", true).toBool()) {
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265 QPixmap pixmap(":/icons/sv-splash.png");
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266 QPainter painter;
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267 painter.begin(&pixmap);
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268 QString text = QString("v%1").arg(SV_VERSION);
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269 painter.drawText
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270 (pixmap.width() - painter.fontMetrics().width(text) - 10,
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271 10 + painter.fontMetrics().ascent(),
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272 text);
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273 painter.end();
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274 splash = new QSplashScreen(pixmap);
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275 splash->show();
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276 QTimer::singleShot(5000, splash, SLOT(hide()));
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277 application.processEvents();
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278 }
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279 settings.endGroup();
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280
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281 settings.beginGroup("RDF");
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282 if (!settings.contains("rdf-indices")) {
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283 QStringList list;
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284 list << "http://www.vamp-plugins.org/rdf/plugins/index.txt";
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285 settings.setValue("rdf-indices", list);
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286 }
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287 settings.endGroup();
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288
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289 QIcon icon;
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290 int sizes[] = { 16, 22, 24, 32, 48, 64, 128 };
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291 for (int i = 0; i < sizeof(sizes)/sizeof(sizes[0]); ++i) {
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292 icon.addFile(QString(":icons/sv-%1x%2.png").arg(sizes[i]).arg(sizes[i]));
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293 }
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294 QApplication::setWindowIcon(icon);
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295
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296 QString language = QLocale::system().name();
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297
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298 QTranslator qtTranslator;
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299 QString qtTrName = QString("qt_%1").arg(language);
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300 DEBUG << "Loading " << qtTrName << "... ";
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301 bool success = false;
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302 if (!(success = qtTranslator.load(qtTrName))) {
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303 QString qtDir = getenv("QTDIR");
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304 if (qtDir != "") {
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305 success = qtTranslator.load
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306 (qtTrName, QDir(qtDir).filePath("translations"));
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307 }
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308 }
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309 if (!success) {
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310 DEBUG << "Failed\nFailed to load Qt translation for locale" << endl;
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311 } else {
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312 std::cerr << "Done" << std::endl;
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313 }
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314 application.installTranslator(&qtTranslator);
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315
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316 QTranslator svTranslator;
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317 QString svTrName = QString("sonic-visualiser_%1").arg(language);
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318 DEBUG << "Loading " << svTrName << "... ";
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319 svTranslator.load(svTrName, ":i18n");
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320 DEBUG << "Done" << endl;
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321 application.installTranslator(&svTranslator);
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322
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323 StoreStartupLocale();
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324
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325 // Permit size_t and PropertyName to be used as args in queued signal calls
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326 qRegisterMetaType<size_t>("size_t");
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327 qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName");
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328
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329 MainWindow *gui = new MainWindow(audioOutput, oscSupport);
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330 application.setMainWindow(gui);
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331 if (splash) {
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332 QObject::connect(gui, SIGNAL(hideSplash()), splash, SLOT(hide()));
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333 }
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334
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335 QDesktopWidget *desktop = QApplication::desktop();
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336 QRect available = desktop->availableGeometry();
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337
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338 int width = (available.width() * 2) / 3;
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339 int height = available.height() / 2;
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340 if (height < 450) height = (available.height() * 2) / 3;
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341 if (width > height * 2) width = height * 2;
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342
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343 settings.beginGroup("MainWindow");
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344 QSize size = settings.value("size", QSize(width, height)).toSize();
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345 gui->resizeConstrained(size);
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346 if (settings.contains("position")) {
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347 QRect prevrect(settings.value("position").toPoint(), size);
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348 if (!(available & prevrect).isEmpty()) {
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349 gui->move(prevrect.topLeft());
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350 }
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351 }
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352 settings.endGroup();
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353
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354 gui->show();
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355
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356 // The MainWindow class seems to have trouble dealing with this if
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357 // it tries to adapt to this preference before the constructor is
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358 // complete. As a lazy hack, apply it explicitly from here
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359 gui->preferenceChanged("Property Box Layout");
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360
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361 application.m_readyForFiles = true; // Ready to receive files from e.g. Apple Events
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362
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Chris@54
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363 for (QStringList::iterator i = args.begin(); i != args.end(); ++i) {
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364
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Chris@54
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365 if (i == args.begin()) continue;
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Chris@54
|
366 if (i->startsWith('-')) continue;
|
Chris@54
|
367
|
Chris@54
|
368 QString path = *i;
|
Chris@54
|
369
|
dan@365
|
370 application.handleFilepathArgument(path, splash);
|
dan@365
|
371 }
|
dan@365
|
372
|
dan@365
|
373 for (QStringList::iterator i = application.m_filepathQueue.begin(); i != application.m_filepathQueue.end(); ++i) {
|
dan@365
|
374 QString path = *i;
|
dan@365
|
375 application.handleFilepathArgument(path, splash);
|
Chris@180
|
376 }
|
Chris@180
|
377
|
Chris@215
|
378 #ifdef HAVE_FFTW3F
|
Chris@215
|
379 settings.beginGroup("FFTWisdom");
|
Chris@215
|
380 QString wisdom = settings.value("wisdom").toString();
|
Chris@215
|
381 if (wisdom != "") {
|
Chris@215
|
382 fftwf_import_wisdom_from_string(wisdom.toLocal8Bit().data());
|
Chris@215
|
383 }
|
Chris@267
|
384 #ifdef HAVE_FFTW3
|
Chris@267
|
385 wisdom = settings.value("wisdom_d").toString();
|
Chris@267
|
386 if (wisdom != "") {
|
Chris@267
|
387 fftw_import_wisdom_from_string(wisdom.toLocal8Bit().data());
|
Chris@267
|
388 }
|
Chris@267
|
389 #endif
|
Chris@215
|
390 settings.endGroup();
|
Chris@215
|
391 #endif
|
Chris@180
|
392
|
Chris@283
|
393 if (splash) splash->finish(gui);
|
Chris@283
|
394 delete splash;
|
Chris@180
|
395
|
Chris@123
|
396 /*
|
Chris@120
|
397 TipDialog tipDialog;
|
Chris@120
|
398 if (tipDialog.isOK()) {
|
Chris@120
|
399 tipDialog.exec();
|
Chris@120
|
400 }
|
Chris@123
|
401 */
|
Chris@0
|
402 int rv = application.exec();
|
Chris@0
|
403
|
Chris@298
|
404 gui->hide();
|
Chris@298
|
405
|
Chris@0
|
406 cleanupMutex.lock();
|
Chris@332
|
407
|
Chris@315
|
408 TransformFactory::deleteInstance();
|
Chris@0
|
409 TempDirectory::getInstance()->cleanup();
|
Chris@11
|
410 application.releaseMainWindow();
|
Chris@5
|
411
|
Chris@215
|
412 #ifdef HAVE_FFTW3F
|
Chris@267
|
413 settings.beginGroup("FFTWisdom");
|
Chris@215
|
414 char *cwisdom = fftwf_export_wisdom_to_string();
|
Chris@215
|
415 if (cwisdom) {
|
Chris@215
|
416 settings.setValue("wisdom", cwisdom);
|
Chris@332
|
417 free(cwisdom);
|
Chris@215
|
418 }
|
Chris@267
|
419 #ifdef HAVE_FFTW3
|
Chris@267
|
420 cwisdom = fftw_export_wisdom_to_string();
|
Chris@267
|
421 if (cwisdom) {
|
Chris@267
|
422 settings.setValue("wisdom_d", cwisdom);
|
Chris@332
|
423 free(cwisdom);
|
Chris@267
|
424 }
|
Chris@267
|
425 #endif
|
Chris@267
|
426 settings.endGroup();
|
Chris@215
|
427 #endif
|
Chris@215
|
428
|
Chris@222
|
429 delete gui;
|
Chris@222
|
430
|
Chris@0
|
431 return rv;
|
Chris@0
|
432 }
|
dan@365
|
433
|
dan@365
|
434 bool SVApplication::event(QEvent *event){
|
dan@365
|
435 QString thePath;
|
dan@365
|
436 switch (event->type()) {
|
dan@365
|
437 case QEvent::FileOpen:
|
dan@365
|
438 thePath = static_cast<QFileOpenEvent *>(event)->file();
|
dan@365
|
439 if(m_readyForFiles)
|
dan@365
|
440 handleFilepathArgument(thePath, NULL);
|
dan@365
|
441 else
|
dan@365
|
442 m_filepathQueue.append(thePath);
|
dan@365
|
443 return true;
|
dan@365
|
444 default:
|
dan@365
|
445 return QApplication::event(event);
|
dan@365
|
446 }
|
dan@365
|
447 }
|
dan@365
|
448
|
dan@365
|
449 /** Application-global handler for filepaths passed in, e.g. as command-line arguments or apple events */
|
dan@365
|
450 void SVApplication::handleFilepathArgument(QString path, QSplashScreen *splash){
|
dan@365
|
451 static bool haveSession = false;
|
dan@365
|
452 static bool haveMainModel = false;
|
dan@365
|
453 static bool havePriorCommandLineModel = false;
|
dan@365
|
454
|
dan@365
|
455 MainWindow::FileOpenStatus status = MainWindow::FileOpenFailed;
|
dan@365
|
456
|
dan@365
|
457 if (path.endsWith("sv")) {
|
dan@365
|
458 if (!haveSession) {
|
dan@365
|
459 status = m_mainWindow->openSessionFile(path);
|
dan@365
|
460 if (status == MainWindow::FileOpenSucceeded) {
|
dan@365
|
461 haveSession = true;
|
dan@365
|
462 haveMainModel = true;
|
dan@365
|
463 }
|
dan@365
|
464 } else {
|
Chris@432
|
465 std::cerr << "WARNING: Ignoring additional session file argument \"" << path << "\"" << std::endl;
|
dan@365
|
466 status = MainWindow::FileOpenSucceeded;
|
dan@365
|
467 }
|
dan@365
|
468 }
|
dan@365
|
469 if (status != MainWindow::FileOpenSucceeded) {
|
dan@365
|
470 if (!haveMainModel) {
|
dan@365
|
471 status = m_mainWindow->open(path, MainWindow::ReplaceMainModel);
|
dan@365
|
472 if (status == MainWindow::FileOpenSucceeded) {
|
dan@365
|
473 haveMainModel = true;
|
dan@365
|
474 }
|
dan@365
|
475 } else {
|
dan@365
|
476 if (haveSession && !havePriorCommandLineModel) {
|
dan@365
|
477 status = m_mainWindow->open(path, MainWindow::AskUser);
|
dan@365
|
478 if (status == MainWindow::FileOpenSucceeded) {
|
dan@365
|
479 havePriorCommandLineModel = true;
|
dan@365
|
480 }
|
dan@365
|
481 } else {
|
dan@365
|
482 status = m_mainWindow->open(path, MainWindow::CreateAdditionalModel);
|
dan@365
|
483 }
|
dan@365
|
484 }
|
dan@365
|
485 }
|
dan@365
|
486 if (status == MainWindow::FileOpenFailed) {
|
dan@365
|
487 if (splash) splash->hide();
|
dan@365
|
488 QMessageBox::critical
|
dan@365
|
489 (m_mainWindow, QMessageBox::tr("Failed to open file"),
|
dan@365
|
490 QMessageBox::tr("File or URL \"%1\" could not be opened").arg(path));
|
dan@365
|
491 } else if (status == MainWindow::FileOpenWrongMode) {
|
dan@365
|
492 if (splash) splash->hide();
|
dan@365
|
493 QMessageBox::critical
|
dan@365
|
494 (m_mainWindow, QMessageBox::tr("Failed to open file"),
|
dan@365
|
495 QMessageBox::tr("<b>Audio required</b><p>Please load at least one audio file before importing annotation data"));
|
dan@365
|
496 }
|
dan@365
|
497 }
|