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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 #include "RecentFiles.h"
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17
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18 #include "Preferences.h"
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19
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20 #include <QFileInfo>
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21 #include <QSettings>
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22 #include <QRegExp>
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23
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24 RecentFiles::RecentFiles(QString settingsGroup, int maxCount) :
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25 m_settingsGroup(settingsGroup),
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26 m_maxCount(maxCount)
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27 {
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28 read();
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29 }
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30
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31 RecentFiles::~RecentFiles()
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32 {
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33 // nothing
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34 }
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35
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36 void
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37 RecentFiles::read()
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38 {
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39 m_names.clear();
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40 QSettings settings;
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41 settings.beginGroup(m_settingsGroup);
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42
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43 for (int i = 0; i < 100; ++i) {
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44 QString key = QString("recent-%1").arg(i);
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45 QString name = settings.value(key, "").toString();
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46 if (name == "") break;
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47 if (i < m_maxCount) m_names.push_back(name);
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48 else settings.setValue(key, "");
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49 }
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50
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51 settings.endGroup();
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52 }
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53
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54 void
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55 RecentFiles::write()
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56 {
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57 QSettings settings;
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58 settings.beginGroup(m_settingsGroup);
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59
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60 for (int i = 0; i < m_maxCount; ++i) {
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61 QString key = QString("recent-%1").arg(i);
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62 QString name = "";
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63 if (i < (int)m_names.size()) name = m_names[i];
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64 settings.setValue(key, name);
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65 }
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66
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67 settings.endGroup();
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68 }
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69
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70 void
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71 RecentFiles::truncateAndWrite()
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72 {
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73 while (int(m_names.size()) > m_maxCount) {
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74 m_names.pop_back();
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75 }
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76 write();
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77 }
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78
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79 std::vector<QString>
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80 RecentFiles::getRecent() const
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81 {
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82 std::vector<QString> names;
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83 for (int i = 0; i < m_maxCount; ++i) {
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84 if (i < (int)m_names.size()) {
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85 names.push_back(m_names[i]);
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86 }
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87 }
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88 return names;
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89 }
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90
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91 void
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92 RecentFiles::add(QString name)
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93 {
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94 bool have = false;
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95 for (int i = 0; i < int(m_names.size()); ++i) {
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96 if (m_names[i] == name) {
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97 have = true;
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98 break;
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99 }
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100 }
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101
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102 if (!have) {
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103 m_names.push_front(name);
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104 } else {
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105 std::deque<QString> newnames;
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106 newnames.push_back(name);
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107 for (int i = 0; i < int(m_names.size()); ++i) {
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108 if (m_names[i] == name) continue;
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109 newnames.push_back(m_names[i]);
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110 }
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111 m_names = newnames;
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112 }
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113
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114 truncateAndWrite();
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115 emit recentChanged();
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116 }
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117
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118 void
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119 RecentFiles::addFile(QString name)
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120 {
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121 static QRegExp schemeRE("^[a-zA-Z]{2,5}://");
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122 static QRegExp tempRE("[\\/][Tt]e?mp[\\/]");
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123 if (schemeRE.indexIn(name) == 0) {
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124 add(name);
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125 } else {
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126 QString absPath = QFileInfo(name).absoluteFilePath();
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127 if (tempRE.indexIn(absPath) != -1) {
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128 Preferences *prefs = Preferences::getInstance();
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129 if (prefs && !prefs->getOmitTempsFromRecentFiles()) {
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130 add(absPath);
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131 }
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132 } else {
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133 add(absPath);
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134 }
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135 }
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136 }
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137
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138
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