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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 #ifdef Q_WS_MAC
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27 #include <ApplicationServices/ApplicationServices.h>
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28 #include <Carbon/Carbon.h>
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29 #endif
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30
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31 #include <QMetaType>
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32 #include <QApplication>
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33 #include <QDesktopWidget>
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34 #include <QMessageBox>
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35 #include <QTranslator>
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36 #include <QLocale>
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37 #include <QSettings>
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38 #include <QIcon>
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39 #include <QSessionManager>
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40 #include <QDir>
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41 #include <QSplashScreen>
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42 #include <QTimer>
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43 #include <QPainter>
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44
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45 #include "../version.h"
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46
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47 #include <iostream>
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48 #include <signal.h>
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49
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50 #ifdef HAVE_FFTW3F
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51 #include <fftw3.h>
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52 #endif
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53
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54 /*! \mainpage Sonic Visualiser
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55
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56 \section interesting Summary of interesting classes
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57
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58 - Data models: Model and subclasses, e.g. WaveFileModel
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59
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60 - Graphical layers: Layer and subclasses, displayed on View and its
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61 subclass widgets.
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62
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63 - Main window class, document class, and file parser: MainWindow,
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64 Document, SVFileReader
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65
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66 - Turning one model (e.g. audio) into another (e.g. more audio, or a
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67 curve extracted from it): Transform, encapsulating the data that need
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68 to be stored to be able to reproduce a given transformation;
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69 TransformFactory, for discovering the available types of transform;
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70 ModelTransformerFactory, ModelTransformer and subclasses, providing
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71 the mechanisms for applying transforms to data models
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72
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73 - Creating the plugins used by transforms: RealTimePluginFactory,
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74 FeatureExtractionPluginFactory. See also the API documentation for
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75 Vamp feature extraction plugins at
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76 http://www.vamp-plugins.org/code-doc/.
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77
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78 - File reading and writing code: AudioFileReader and subclasses,
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79 WavFileWriter, DataFileReader, SVFileReader
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80
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81 - FFT calculation and cacheing: FFTModel, FFTDataServer
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82
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83 - Widgets that show groups of editable properties: PropertyBox for
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84 layer properties (contained in a PropertyStack), PluginParameterBox
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85 for plugins (contained in a PluginParameterDialog)
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86
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87 - Audio playback: AudioCallbackPlaySource and subclasses,
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88 AudioCallbackPlayTarget and subclasses, AudioGenerator
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89
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90 \section model Data sources: the Model hierarchy
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91
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92 A Model is something containing, or knowing how to obtain, data.
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93
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94 For example, WaveFileModel is a model that knows how to get data
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95 from an audio file; SparseTimeValueModel is a model containing
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96 editable "curve" data.
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97
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98 Models typically subclass one of a number of abstract subclasses of
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99 Model. For example, WaveFileModel subclasses DenseTimeValueModel,
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100 which describes an interface for models that have a value at each
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101 time point for a given sampling resolution. (Note that
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102 WaveFileModel does not actually read the files itself: it uses
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103 AudioFileReader classes for that. It just makes data from the
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104 files available in a Model.) SparseTimeValueModel uses the
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105 SparseModel template class, which provides most of the
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106 implementation for models that contain a series of points of some
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107 sort -- also used by NoteModel, TextModel, and
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108 SparseOneDimensionalModel.
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109
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110 Everything that goes on the screen originates from a model, via a
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111 layer (see below). The models are contained in a Document object.
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112 There is no containment hierarchy or ordering of models in the
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113 document. One model is the main model, which defines the sample
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114 rate for playback.
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115
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116 A model may also be marked as a "derived" model, which means it was
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117 generated from another model using some transform (feature
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118 extraction or effect plugin, etc) -- the idea being that they can
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119 be re-generated using the same transform if a new source model is
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120 loaded.
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121
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122 \section layer Things that can display data: the Layer hierarchy
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123
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124 A Layer is something that knows how to draw parts of a model onto a
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125 timeline.
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126
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127 For example, WaveformLayer is a layer which draws waveforms, based
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128 on WaveFileModel; TimeValueLayer draws curves, based on
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129 SparseTimeValueModel; SpectrogramLayer draws spectrograms, based on
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130 WaveFileModel (via FFTModel).
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131
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132 The most basic functions of a layer are: to draw itself onto a
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133 Pane, against a timeline on the x axis; and to permit user
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134 interaction. If you were thinking of adding the capability to
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135 display a new sort of something, then you would want to add a new
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136 layer type. (You may also need a new model type, depending on
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137 whether any existing model can capture the data you need.)
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138 Depending on the sort of data in question, there are various
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139 existing layers that might be appropriate to start from -- for
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140 example, a layer that displays images that the user has imported
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141 and associated with particular times might have something in common
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142 with the existing TextLayer which displays pieces of text that are
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143 associated with particular times.
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144
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145 Although layers are visual objects, they are contained in the
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146 Document in Sonic Visualiser rather than being managed together
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147 with display widgets. The Sonic Visualiser file format has
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148 separate data and layout sections, and the layers are defined in
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149 the data section and then referred to in the layout section which
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150 determines which layers may go on which panes (see Pane below).
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151
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152 Once a layer class is defined, some basic data about it needs to be
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153 set up in the LayerFactory class, and then it will appear in the
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154 menus and so on on the main window.
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155
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156 \section view Widgets that are used to show layers: The View hierarchy
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157
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158 A View is a widget that displays a stack of layers. The most
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159 important subclass is Pane, the widget that is used to show most of
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160 the data in the main window of Sonic Visualiser.
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161
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162 All a pane really does is contain a set of layers and get them to
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163 render themselves (one on top of the other, with the topmost layer
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164 being the one that is currently interacted with), cache the
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165 results, negotiate user interaction with them, and so on. This is
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166 generally fiddly, if not especially interesting. Panes are
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167 strictly layout objects and are not stored in the Document class;
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168 instead the MainWindow contains a PaneStack widget (the widget that
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169 takes up most of Sonic Visualiser's main window) which contains a
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170 set of panes stacked vertically.
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171
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172 Another View subclass is Overview, which is the widget that
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173 contains that green waveform showing the entire file at the bottom
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174 of the window.
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175
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176 */
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177
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178 static QMutex cleanupMutex;
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179 static MainWindow *gui;
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180
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181 static void
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182 signalHandler(int /* signal */)
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183 {
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184 // Avoid this happening more than once across threads
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185
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186 cleanupMutex.lock();
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187 std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
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188 TempDirectory::getInstance()->cleanup();
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189 exit(0); // without releasing mutex
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190 }
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191
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192 class SVApplication : public QApplication
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193 {
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194 public:
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195 SVApplication(int &argc, char **argv) :
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196 QApplication(argc, argv),
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197 m_mainWindow(0) { }
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198 virtual ~SVApplication() { }
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199
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200 void setMainWindow(MainWindow *mw) { m_mainWindow = mw; }
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201 void releaseMainWindow() { m_mainWindow = 0; }
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202
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203 virtual void commitData(QSessionManager &manager) {
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204 if (!m_mainWindow) return;
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205 bool mayAskUser = manager.allowsInteraction();
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206 bool success = m_mainWindow->commitData(mayAskUser);
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207 manager.release();
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208 if (!success) manager.cancel();
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209 }
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210
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211 /** Application-global handler for filepaths passed in, e.g. as command-line arguments or apple events */
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212 static void handleFilepathArgument(QString path, QSplashScreen *splash){
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213 static bool haveSession = false;
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214 static bool haveMainModel = false;
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215 static bool havePriorCommandLineModel = false;
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216
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217 MainWindow::FileOpenStatus status = MainWindow::FileOpenFailed;
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218
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219 if (path.endsWith("sv")) {
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220 if (!haveSession) {
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221 status = gui->openSessionFile(path);
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222 if (status == MainWindow::FileOpenSucceeded) {
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223 haveSession = true;
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224 haveMainModel = true;
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225 }
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226 } else {
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227 std::cerr << "WARNING: Ignoring additional session file argument \"" << path.toStdString() << "\"" << std::endl;
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228 status = MainWindow::FileOpenSucceeded;
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229 }
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230 }
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231 if (status != MainWindow::FileOpenSucceeded) {
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232 if (!haveMainModel) {
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233 status = gui->open(path, MainWindow::ReplaceMainModel);
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234 if (status == MainWindow::FileOpenSucceeded) {
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235 haveMainModel = true;
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236 }
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237 } else {
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238 if (haveSession && !havePriorCommandLineModel) {
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239 status = gui->open(path, MainWindow::AskUser);
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240 if (status == MainWindow::FileOpenSucceeded) {
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241 havePriorCommandLineModel = true;
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242 }
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243 } else {
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244 status = gui->open(path, MainWindow::CreateAdditionalModel);
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245 }
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246 }
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247 }
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248 if (status == MainWindow::FileOpenFailed) {
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249 if (splash) splash->hide();
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250 QMessageBox::critical
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251 (gui, QMessageBox::tr("Failed to open file"),
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252 QMessageBox::tr("File or URL \"%1\" could not be opened").arg(path));
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253 } else if (status == MainWindow::FileOpenWrongMode) {
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254 if (splash) splash->hide();
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255 QMessageBox::critical
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256 (gui, QMessageBox::tr("Failed to open file"),
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257 QMessageBox::tr("<b>Audio required</b><p>Please load at least one audio file before importing annotation data"));
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258 }
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259 }
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260
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261 #ifdef Q_WS_MAC
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262 static pascal OSErr HandleOpenDocAE (const AppleEvent * theAppleEvent, AppleEvent * /* reply */, SInt32 /* handlerRefcon */) {
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263 AEDescList docList;
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264 FSRef theFSRef;
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265 long count = 0;
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266 OSErr err;
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267
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268 err = AEGetParamDesc(theAppleEvent, keyDirectObject, typeAEList, &docList);
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269 err = AECountItems(&docList, &count);
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270 if(count == 0){
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271 std::cerr << "SV warning: received apple open-documents event with no documents (count==0)" << std::endl;
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272 AEDisposeDesc(&docList);
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273 return noErr;
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274 }
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275 // NB we could be passed a list of files - however, SV on Mac currently can only open one at a time, so we simply open the first.
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276
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277 err = AEGetNthPtr(&docList, 1, typeFSRef, NULL, NULL, &theFSRef, sizeof(theFSRef), NULL);
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278
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279 // Call routine to open document with current reference.
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280 if(err == noErr){
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281 char uPath[1024];
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282 FSRefMakePath(&theFSRef, (UInt8*)uPath, 1023);
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283 std::cerr << "SV received Apple Event request to open " << uPath << std::endl;
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284 handleFilepathArgument(uPath, NULL);
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285 }
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286
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287 AEDisposeDesc(&docList);
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288 return noErr;
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289 }
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290 static OSErr InstallMacOSEventHandlers(void)
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291 {
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292 OSErr err;
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293 err = AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments, NewAEEventHandlerUPP(HandleOpenDocAE), 0, false);
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294 std::cerr << "HandleOpenDocAE installed. " << err << std::endl;
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295 return err;
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296 }
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297 #endif // Q_WS_MAC
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298
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299 protected:
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300 MainWindow *m_mainWindow;
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301 };
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302
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303 int
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304 main(int argc, char **argv)
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305 {
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306 #ifdef Q_WS_X11
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307 #if QT_VERSION >= 0x040500
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308 // QApplication::setGraphicsSystem("raster");
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309 #endif
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310 #endif
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311
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312 SVApplication application(argc, argv);
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313
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314 QStringList args = application.arguments();
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315
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316 signal(SIGINT, signalHandler);
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317 signal(SIGTERM, signalHandler);
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318
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319 #ifndef Q_WS_WIN32
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320 signal(SIGHUP, signalHandler);
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321 signal(SIGQUIT, signalHandler);
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322 #endif
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323
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324 svSystemSpecificInitialisation();
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325
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326 bool audioOutput = true;
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327 bool oscSupport = true;
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328
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329 if (args.contains("--help") || args.contains("-h") || args.contains("-?")) {
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330 std::cerr << QApplication::tr(
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331 "\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]).toStdString() << std::endl;
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332 exit(2);
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333 }
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334
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335 if (args.contains("--no-audio")) audioOutput = false;
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336 if (args.contains("--no-osc")) oscSupport = false;
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337
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338 QApplication::setOrganizationName("sonic-visualiser");
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339 QApplication::setOrganizationDomain("sonicvisualiser.org");
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340 QApplication::setApplicationName(QApplication::tr("Sonic Visualiser"));
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341
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342 QSplashScreen *splash = 0;
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343
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344 QSettings settings;
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345
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346 settings.beginGroup("Preferences");
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347 if (settings.value("show-splash", true).toBool()) {
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348 QPixmap pixmap(":/icons/sv-splash.png");
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349 QPainter painter;
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350 painter.begin(&pixmap);
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351 QString text = QString("v%1").arg(SV_VERSION);
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352 painter.drawText
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Chris@331
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353 (pixmap.width() - painter.fontMetrics().width(text) - 10,
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354 10 + painter.fontMetrics().ascent(),
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355 text);
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356 painter.end();
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357 splash = new QSplashScreen(pixmap);
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358 splash->show();
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359 QTimer::singleShot(5000, splash, SLOT(hide()));
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360 application.processEvents();
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361 }
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362 settings.endGroup();
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363
|
Chris@278
|
364 settings.beginGroup("RDF");
|
Chris@278
|
365 if (!settings.contains("rdf-indices")) {
|
Chris@278
|
366 QStringList list;
|
Chris@278
|
367 list << "http://www.vamp-plugins.org/rdf/plugins/index.txt";
|
Chris@278
|
368 settings.setValue("rdf-indices", list);
|
Chris@278
|
369 }
|
Chris@278
|
370 settings.endGroup();
|
Chris@278
|
371
|
Chris@141
|
372 QIcon icon;
|
Chris@141
|
373 int sizes[] = { 16, 22, 24, 32, 48, 64, 128 };
|
Chris@141
|
374 for (int i = 0; i < sizeof(sizes)/sizeof(sizes[0]); ++i) {
|
Chris@141
|
375 icon.addFile(QString(":icons/sv-%1x%2.png").arg(sizes[i]).arg(sizes[i]));
|
Chris@141
|
376 }
|
Chris@141
|
377 QApplication::setWindowIcon(icon);
|
Chris@7
|
378
|
Chris@0
|
379 QString language = QLocale::system().name();
|
Chris@0
|
380
|
Chris@0
|
381 QTranslator qtTranslator;
|
Chris@0
|
382 QString qtTrName = QString("qt_%1").arg(language);
|
Chris@253
|
383 std::cerr << "Loading " << qtTrName.toStdString() << "... ";
|
Chris@165
|
384 bool success = false;
|
Chris@165
|
385 if (!(success = qtTranslator.load(qtTrName))) {
|
Chris@165
|
386 QString qtDir = getenv("QTDIR");
|
Chris@165
|
387 if (qtDir != "") {
|
Chris@165
|
388 success = qtTranslator.load
|
Chris@165
|
389 (qtTrName, QDir(qtDir).filePath("translations"));
|
Chris@165
|
390 }
|
Chris@165
|
391 }
|
Chris@165
|
392 if (!success) {
|
Chris@253
|
393 std::cerr << "Failed\nFailed to load Qt translation for locale" << std::endl;
|
Chris@253
|
394 } else {
|
Chris@253
|
395 std::cerr << "Done" << std::endl;
|
Chris@165
|
396 }
|
Chris@0
|
397 application.installTranslator(&qtTranslator);
|
Chris@0
|
398
|
Chris@0
|
399 QTranslator svTranslator;
|
Chris@0
|
400 QString svTrName = QString("sonic-visualiser_%1").arg(language);
|
Chris@253
|
401 std::cerr << "Loading " << svTrName.toStdString() << "... ";
|
Chris@0
|
402 svTranslator.load(svTrName, ":i18n");
|
Chris@253
|
403 std::cerr << "Done" << std::endl;
|
Chris@0
|
404 application.installTranslator(&svTranslator);
|
Chris@0
|
405
|
Chris@187
|
406 StoreStartupLocale();
|
Chris@187
|
407
|
Chris@0
|
408 // Permit size_t and PropertyName to be used as args in queued signal calls
|
Chris@0
|
409 qRegisterMetaType<size_t>("size_t");
|
Chris@0
|
410 qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName");
|
Chris@0
|
411
|
dan@362
|
412 gui = new MainWindow(audioOutput, oscSupport);
|
Chris@222
|
413 application.setMainWindow(gui);
|
Chris@283
|
414 if (splash) {
|
Chris@283
|
415 QObject::connect(gui, SIGNAL(hideSplash()), splash, SLOT(hide()));
|
Chris@283
|
416 }
|
Chris@0
|
417
|
Chris@0
|
418 QDesktopWidget *desktop = QApplication::desktop();
|
Chris@0
|
419 QRect available = desktop->availableGeometry();
|
Chris@0
|
420
|
Chris@0
|
421 int width = available.width() * 2 / 3;
|
Chris@0
|
422 int height = available.height() / 2;
|
Chris@0
|
423 if (height < 450) height = available.height() * 2 / 3;
|
Chris@0
|
424 if (width > height * 2) width = height * 2;
|
Chris@0
|
425
|
Chris@237
|
426 settings.beginGroup("MainWindow");
|
Chris@5
|
427 QSize size = settings.value("size", QSize(width, height)).toSize();
|
Chris@319
|
428 gui->resizeConstrained(size);
|
Chris@5
|
429 if (settings.contains("position")) {
|
Chris@297
|
430 QRect prevrect(settings.value("position").toPoint(), size);
|
Chris@297
|
431 if (!(available & prevrect).isEmpty()) {
|
Chris@297
|
432 gui->move(prevrect.topLeft());
|
Chris@297
|
433 }
|
Chris@5
|
434 }
|
Chris@5
|
435 settings.endGroup();
|
Chris@5
|
436
|
dan@362
|
437 #ifdef Q_WS_MAC
|
dan@362
|
438 application.InstallMacOSEventHandlers();
|
dan@362
|
439 #endif // Q_WS_MAC
|
dan@362
|
440
|
Chris@222
|
441 gui->show();
|
Chris@64
|
442
|
Chris@118
|
443 // The MainWindow class seems to have trouble dealing with this if
|
Chris@118
|
444 // it tries to adapt to this preference before the constructor is
|
Chris@118
|
445 // complete. As a lazy hack, apply it explicitly from here
|
Chris@222
|
446 gui->preferenceChanged("Property Box Layout");
|
Chris@118
|
447
|
Chris@54
|
448 for (QStringList::iterator i = args.begin(); i != args.end(); ++i) {
|
Chris@54
|
449
|
Chris@54
|
450 if (i == args.begin()) continue;
|
Chris@54
|
451 if (i->startsWith('-')) continue;
|
Chris@54
|
452
|
Chris@54
|
453 QString path = *i;
|
Chris@54
|
454
|
dan@362
|
455 SVApplication::handleFilepathArgument(path, splash);
|
Chris@180
|
456 }
|
Chris@180
|
457
|
Chris@215
|
458 #ifdef HAVE_FFTW3F
|
Chris@215
|
459 settings.beginGroup("FFTWisdom");
|
Chris@215
|
460 QString wisdom = settings.value("wisdom").toString();
|
Chris@215
|
461 if (wisdom != "") {
|
Chris@215
|
462 fftwf_import_wisdom_from_string(wisdom.toLocal8Bit().data());
|
Chris@215
|
463 }
|
Chris@267
|
464 #ifdef HAVE_FFTW3
|
Chris@267
|
465 wisdom = settings.value("wisdom_d").toString();
|
Chris@267
|
466 if (wisdom != "") {
|
Chris@267
|
467 fftw_import_wisdom_from_string(wisdom.toLocal8Bit().data());
|
Chris@267
|
468 }
|
Chris@267
|
469 #endif
|
Chris@215
|
470 settings.endGroup();
|
Chris@215
|
471 #endif
|
Chris@180
|
472
|
Chris@283
|
473 if (splash) splash->finish(gui);
|
Chris@283
|
474 delete splash;
|
Chris@180
|
475
|
Chris@123
|
476 /*
|
Chris@120
|
477 TipDialog tipDialog;
|
Chris@120
|
478 if (tipDialog.isOK()) {
|
Chris@120
|
479 tipDialog.exec();
|
Chris@120
|
480 }
|
Chris@123
|
481 */
|
Chris@0
|
482 int rv = application.exec();
|
Chris@0
|
483
|
Chris@298
|
484 gui->hide();
|
Chris@298
|
485
|
Chris@0
|
486 cleanupMutex.lock();
|
Chris@332
|
487
|
Chris@315
|
488 TransformFactory::deleteInstance();
|
Chris@0
|
489 TempDirectory::getInstance()->cleanup();
|
Chris@11
|
490 application.releaseMainWindow();
|
Chris@5
|
491
|
Chris@215
|
492 #ifdef HAVE_FFTW3F
|
Chris@267
|
493 settings.beginGroup("FFTWisdom");
|
Chris@215
|
494 char *cwisdom = fftwf_export_wisdom_to_string();
|
Chris@215
|
495 if (cwisdom) {
|
Chris@215
|
496 settings.setValue("wisdom", cwisdom);
|
Chris@332
|
497 free(cwisdom);
|
Chris@215
|
498 }
|
Chris@267
|
499 #ifdef HAVE_FFTW3
|
Chris@267
|
500 cwisdom = fftw_export_wisdom_to_string();
|
Chris@267
|
501 if (cwisdom) {
|
Chris@267
|
502 settings.setValue("wisdom_d", cwisdom);
|
Chris@332
|
503 free(cwisdom);
|
Chris@267
|
504 }
|
Chris@267
|
505 #endif
|
Chris@267
|
506 settings.endGroup();
|
Chris@215
|
507 #endif
|
Chris@215
|
508
|
Chris@222
|
509 delete gui;
|
Chris@222
|
510
|
Chris@0
|
511 return rv;
|
Chris@0
|
512 }
|