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annotate libgui/src/find-files-model.cc @ 20830:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 4197fc428c7d
children
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1 /*
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2
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3 Copyright (C) 2013-2015 John Donoghue
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <QFileIconProvider>
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28 #include <QtAlgorithms>
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29
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30 #include "find-files-model.h"
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31
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32 class find_file_less_than
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33 {
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34 public:
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35 find_file_less_than (int ord)
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36 {
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37 _sortorder = ord;
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38 }
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39 QVariant getValue (const QFileInfo &f) const
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40 {
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41 QVariant val;
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42 int col = (_sortorder > 0) ? _sortorder : -_sortorder;
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43
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44 switch (col-1)
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45 {
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46 case 0:
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47 val = QVariant (f.fileName ());
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48 break;
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49
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50 case 1:
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51 val = QVariant (f.absolutePath ());
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52 break;
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53
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54 default:
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55 break;
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56 }
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57 return val;
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58 }
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59 bool lessThan (const QVariant &left, const QVariant &right) const
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60 {
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61 return
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62 left.toString ().compare (right.toString (), Qt::CaseInsensitive) < 0;
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63 }
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64 bool operator () (const QFileInfo &left, const QFileInfo &right) const
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65 {
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66 QVariant leftval = getValue (left);
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67 QVariant rightval = getValue (right);
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68
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69 if (_sortorder > 0)
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70 return lessThan (leftval, rightval);
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71 else
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72 return ! lessThan (leftval, rightval);
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73 }
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74 private:
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75 int _sortorder;
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76 };
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77
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78
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79 find_files_model::find_files_model (QObject *p)
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80 : QAbstractListModel (p)
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81 {
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82 _columnNames.append (tr ("Filename"));
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83 _columnNames.append (tr ("Directory"));
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84 _sortorder = 0;
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85 }
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86
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87 find_files_model::~find_files_model ()
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88 {
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89 }
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90
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91 void
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92 find_files_model::clear ()
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93 {
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94 beginResetModel ();
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95
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96 _files.clear ();
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97
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98 endResetModel ();
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99 }
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100
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101 void
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102 find_files_model::addFile (const QFileInfo &info)
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103 {
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104 beginInsertRows (QModelIndex (), _files.size (), _files.size ());
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105
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106 QList<QFileInfo>::Iterator it;
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107 find_file_less_than less_than (_sortorder);
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108
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109 for (it=_files.begin (); it!=_files.end (); it++)
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110 {
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111 if (less_than (info, *it)) break;
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112 }
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113
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114 _files.insert (it, info);
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115
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116 endInsertRows ();
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117 }
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118
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119 int
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120 find_files_model::rowCount (const QModelIndex &) const
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121 {
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122 return _files.size ();
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123 }
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124
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125 int
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126 find_files_model::columnCount (const QModelIndex &) const
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127 {
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128 return _columnNames.size ();
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129 }
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130
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131 QVariant
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132 find_files_model::data (const QModelIndex& idx, int role) const
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133 {
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134 QVariant retval;
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135
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136 if (idx.isValid ())
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137 {
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138 if (role == Qt::DisplayRole)
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139 {
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140 switch (idx.column ())
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141 {
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142 case 0:
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143 retval = QVariant (_files[idx.row ()].fileName ());
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144 break;
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145
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146 case 1:
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147 retval = QVariant (_files[idx.row ()].absolutePath ());
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148 break;
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149
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150 default:
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151 break;
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152 }
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153 }
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154 else if (role == Qt:: DecorationRole)
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155 {
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156 switch (idx.column ())
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157 {
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158 case 0:
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159 retval = fileIcon (idx);
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160 default:
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161 break;
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162 }
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163 }
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164 }
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165
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166 return retval;
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167 }
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168
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169 QVariant
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170 find_files_model::headerData (int section, Qt::Orientation orientation,
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171 int role) const
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172 {
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173 if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
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174 return _columnNames[section];
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175 else
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176 return QVariant ();
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177 }
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178
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179 void
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180 find_files_model::sort (int column, Qt::SortOrder order)
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181 {
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182 if (column >= 0)
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183 {
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184 if (order == Qt::DescendingOrder)
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185 _sortorder = -(column+1);
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186 else
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187 _sortorder = column+1;
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188 }
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189 else
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190 _sortorder = 0;
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191
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192 if (_sortorder != 0)
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193 {
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194 beginResetModel ();
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195 qSort (_files.begin (), _files.end (), find_file_less_than (_sortorder));
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196 endResetModel ();
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197 }
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198 }
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199
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200 QFileInfo
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201 find_files_model::fileInfo (const QModelIndex & p) const
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202 {
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203 if (p.isValid ())
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204 {
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205 return _files[p.row ()];
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206 }
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207 return QFileInfo ();
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208 }
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parents:
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209
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parents:
diff changeset
210 QIcon
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parents:
diff changeset
211 find_files_model::fileIcon (const QModelIndex &p) const
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parents:
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212 {
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parents:
diff changeset
213 QFileIconProvider icon_provider;
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diff changeset
214 if (p.isValid ())
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parents: 17377
diff changeset
215 {
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diff changeset
216 return icon_provider.icon (_files[p.row ()]);
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parents: 17377
diff changeset
217 }
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diff changeset
218 return QIcon ();
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parents:
diff changeset
219 }