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1 Qt 4.2.3 is a bug-fix release. It maintains both forward and backward |
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2 compatibility (source and binary) with Qt 4.2.0. |
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3 |
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4 The Qt version 4.2 series is binary compatible with the 4.1.x and 4.0.x |
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5 series. Applications compiled for 4.0 or 4.1 will continue to run with 4.2. |
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6 |
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7 **************************************************************************** |
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8 * General * |
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9 **************************************************************************** |
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10 |
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11 General Improvements |
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12 -------------------- |
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13 |
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14 - Configuration/Compilation |
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15 * Fixed architecture detection on UltraSPARC-T1 systems. |
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16 * Fixed compilation on embedded architectures when qreal is not double. |
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17 * Compile on OpenBSD. |
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18 |
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19 - Documentation |
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20 * Completed documentation for "Implementing Atomic Operations", |
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21 which is useful for people porting Qt to a new hardware architecture. |
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22 |
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23 - Translations |
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24 * Added a new unofficial Portuguese translation courtesy of Helder |
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25 Correia. |
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26 |
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27 - Qt Linguist |
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28 * Made the columns in the phrasebook resizeable. |
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29 |
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30 - lupdate |
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31 * Fixed bug in the .pro parser of lupdate. It should accept backslashes. |
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32 * Fixed a severe slowdown in lupdate. (~400x speedup.) |
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33 * Fixed traversal of subdirectories. |
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34 |
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35 - moc |
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36 * Don't create trigraphs in the generated code for C++ casts. |
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37 |
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38 - uic |
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39 * Fixed a bug that generated excessive margins for Q3GroupBox. |
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40 |
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41 Third party components |
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42 ---------------------- |
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43 |
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44 - libpng |
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45 |
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46 * Security fix: Avoid null dereferences. |
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47 |
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48 **************************************************************************** |
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49 * Library * |
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50 **************************************************************************** |
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51 |
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52 General improvements |
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53 -------------------- |
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54 |
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55 - Graphics View |
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56 |
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57 * Calling QGraphicsScene::update() without arguments now correctly |
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58 updates the entire scene. |
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59 * Changing the background brush in QGraphicsScene now correctly updates |
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60 the entire scene |
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61 * Fixed a crash in QGraphicsScene due to stale pointers in the BSP tree. |
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62 * QGraphicsScene::createItemGroup() now allows you to create an empty |
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63 group (previously caused an assert in debug mode). |
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64 * Fixed rendering bugs with QGraphicsPixmapItem::offset(). |
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65 * Adding an item to a QGraphicsScene now always implicitly causes an |
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66 update. |
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67 * Fixed a crash caused by deleting a QGraphicsScene that is being viewed |
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68 by a QGraphicsView. |
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69 * Items with zero width or height (e.g., a horizontal or vertical line |
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70 with a zero-width cosmetic pen) are now rendered correctly. |
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71 * Fixed a crash in QGraphicsScene::destroyItemGroup(), and when removing |
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72 items from a group. |
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73 |
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74 - Item views |
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75 * Fixed data loss in QTreeWidget, QTableWidget and QListWidget that |
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76 occurred when performing a drag and drop copy operation on items |
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77 containing data in custom roles. |
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78 |
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79 * Fixed signal emission bugs in QSqlQueryModel and QSqlTableModel that |
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80 caused the view to contain invalid items when used with a |
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81 QSortFilterProxyModel. |
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82 |
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83 * Fixed a bug in word-wrapped text that could cause all new-line |
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84 characters, and the last line in string containing at least one |
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85 newline character, to be removed. |
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86 |
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87 * Fixed bug in QListView where the last item of a batch was not always |
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88 displayed. |
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89 |
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90 - QAction |
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91 * Fixed a possible crash when using alternate shortcuts on a QAction. |
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92 |
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93 - QByteArray |
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94 * Fixed a crash in toUpper(). |
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95 |
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96 - QCleanlooksStyle |
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97 * Indeterminate progress bars are now correctly animated. |
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98 |
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99 - QComboBox |
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100 * Fixed broken case sensitive completion. |
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101 * Changing the font on a QComboBox now changes the font on the popup as |
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102 well. |
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103 |
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104 - Q3TextEdit |
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105 * Fixed regression where some shortcuts didn't work on Mac OS X. |
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106 |
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107 - Q3Canvas |
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108 * Fixed potential memory overrun when determining a clipping chunk. |
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109 |
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110 - Q3Socket |
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111 * Fixed unexpected remote disconnection bugs (also QTcpSocket). |
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112 |
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113 - QFile |
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114 * Performance enhancements in QFile::copy(). |
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115 * Allow reading past the previous end of the file if the file grows. |
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116 * Reliably allow QFile::readLine() and QFile::readAll() to be used to |
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117 read from stdin on all platforms. |
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118 |
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119 - QFileDialog |
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120 * Fixed crash that could occur when the filter began with ';;'. |
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121 * Fixed assertion caused by calling setFilters() with an empty list. |
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122 * Fixed problem with file entries not being laid out correctly. |
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123 |
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124 - QGridLayout |
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125 * Fixed bug in handling of fixed size spacers spanning multiple |
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126 rows/columns |
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127 |
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128 - QLayout |
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129 * Fixed bug caused by setting minimumSize() and SizePolicy::Fixed on a |
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130 widget that implements minimumSizeHint() but not sizeHint(). |
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131 |
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132 - QLineEdit |
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133 * Fixed crash caused by moving the cursor over a QChar::LineSeparator |
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134 in the text. |
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135 |
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136 - QPainter |
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137 * Fixed bug in QPainter::drawPoints() when using the raster paint engine |
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138 which caused some points to be missing. |
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139 * Removed memory leak in raster paint engine when drawing complex |
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140 polygons/paths. |
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141 |
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142 - QProcess |
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143 * Fixed a crash that could occur when calling QProcess::waitForFinished() |
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144 from inside a slot connected to a signal emitted by QProcess. |
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145 * Fixed a race condition on Windows where QProcess::bytesToWrite() would |
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146 return a short byte count. |
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147 |
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148 - QTextDocument |
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149 * Fixed find() with backward searches. |
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150 * Match CSS style selector case insensitively. |
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151 * Fixed HTML import for tables with missing cells and rowspan/colspan |
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152 attributes. |
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153 |
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154 - QSortFilterProxyModel |
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155 * Fixed a crash caused by calling filterChanged(). |
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156 * Fixed a crash caused by removing items from the source model. |
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157 * Fixed a bug that could cause a model to enter an invalid state when |
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158 filtering items in a hierarchy, causing items in a QTreeView to |
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159 erroneously be collapsed. |
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160 * Fixed a bug that could cause invalid items to be added when inserting |
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161 new items to the source model. |
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162 |
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163 - QSyntaxHighlighter |
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164 * Fixed failing assertion that could occur when installing a syntax |
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165 highlighter before the document has created a layout. |
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166 |
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167 - QPluginLoader |
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168 * Fixed compilation of Q_EXPORT_PLUGIN when used with templates. |
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169 |
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170 - QTcpSocket |
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171 * Fixed a bug where QTcpSocket would time out when connecting to a |
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172 closed service on Windows. |
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173 * Fixed a race condition when calling waitFor...() functions with a very |
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174 short timeout value. |
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175 * Fixed unexpected remote disconnect problems on Windows. |
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176 * Improved the reliability of the waitFor...() functions with SOCKS5 |
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177 proxy support. |
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178 |
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179 - QTextLayout |
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180 * Fixed rendering of surrogate pairs and cursor navigation with them. |
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181 |
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182 - QTextEdit |
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183 * Fixed crash in QTextEdit::setExtraSelection() that could occur when |
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184 used with null cursors. |
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185 * Fixed scrollbar bug which could cause the bottom of the text to be |
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186 unreachable. |
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187 |
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188 - QTextStream |
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189 * Fixed QTextStream::readLine() so it can be used reliably with stdin on |
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190 all platforms, and updated the documentation to reflect this. |
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191 |
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192 - QMacStyle |
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193 * Ensured that tab bars are drawn correctly regardless of the font used. |
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194 |
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195 - QMenuBar |
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196 * Properly marked the "text heuristic matching" strings for translation. |
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197 |
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198 - QMenu |
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199 * Fixed incorrect scrolling on large menus on Mac OS X. |
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200 |
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201 - QPlastiqueStyle |
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202 * Ensured that indeterminate progress bars are now always animated and |
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203 fixed a rendering bug. |
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204 |
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205 - QPrinter |
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206 * Fixed a bug on X11 that caused the printer to generate too many |
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207 copies. |
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208 * Fixed a bug in the PostScript driver that could cause invalid |
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209 PostScript to be generated. |
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210 |
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211 - QSqlRelationalTableModel |
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212 * Ensured that the internal cache is cleared after |
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213 QSqlRelationalTableModel::submitAll() is called. |
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214 |
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215 - QSqlDriver |
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216 * Ensured that QSqlDriver::formatValue() doesn't cut off characters from |
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217 field names. |
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218 |
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219 - QTextTable |
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220 * Removed false assertion when deleting the first row or column in a |
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221 table. |
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222 * Fixed crash when splitting cells in the rightmost column of a table. |
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223 * Fixed issue where QTextTable::splitCells() would shift cells further |
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224 down in the table. |
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225 * Fixed crash in QTextTable::mergeCells() caused by merging an already |
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226 merged cell. |
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227 |
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228 - QToolTip |
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229 * Fixed QToolTip sizes when used with HTML tags like <BR>. |
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230 |
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231 - QUdpSocket |
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232 * Fixed a busy-wait causing the event loop to spin when writing a |
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233 datagram to an unbound port. |
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234 * QUdpSocket now reliably emits readyRead() in connected mode. |
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235 |
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236 - QUrl |
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237 * Fixed a crash that would occur as a result of calling errorString() on |
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238 an empty URL. |
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239 |
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240 - SQL plugins |
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241 * Prevent crashes in QSqlQuery after reopening a closed ODBC connection. |
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242 * Prevent crash when retrieving binary data from ODBC. |
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243 * The Interbase driver now returns a valid handle through |
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244 QSqlDriver::handle(). |
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245 |
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246 - QMutex |
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247 * Fixed race condition in QMutex::tryLock() that would prevent all |
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248 other threads from acquiring the mutex |
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249 |
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250 - QList |
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251 * Fixed crash when modifying a QList that must be detached from a |
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252 separate thread |
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253 |
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254 - QWidget |
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255 * Fixed case where a modal dialog could be stacked below its parent |
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256 window when the dialog was shown first |
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257 * Fixed an erroneous hideEvent() from being sent immediately after |
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258 window creation |
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259 * Fixed problem with missing text in QWidget::whatsThis(). |
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260 |
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261 - QWindowsStyle |
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262 * Fixed a crash that could occur when deleting a QProgressBar after its |
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263 style was changed. |
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264 |
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265 - QVariant |
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266 * Fixed assertion caused by streaming in a variant containing a float. |
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267 |
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268 - QAbstractItemView |
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269 * Fixed focus problem with cell widgets. |
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270 |
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271 - QTableView |
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272 * Fixed problem with context menus clearing the selections. |
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273 |
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274 - QHeaderView |
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275 * Fixed assertion that could occur when removing all sections when some |
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276 sections had been moved. |
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277 * Fixed a bug that could prevent the user from resizing the last |
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278 visible section if the "real" last section was invisible. |
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279 |
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280 - QListView |
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281 * Fixed crash when calling reset. |
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282 |
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283 - QTableWidget |
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284 * Fixed painting problem that could occur when rows were swapped. |
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285 |
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286 - QTreeView |
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287 * Fixed a crash that could appear when removing all the children of an |
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288 item. |
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289 |
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290 **************************************************************************** |
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291 * Platform Specific Changes * |
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292 **************************************************************************** |
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293 |
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294 X11 |
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295 --- |
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296 * Fixed detection of Type1 symbol fonts. |
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297 * Fixed crash on exit in QSystemTrayIcon when QApplication is used |
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298 as the parent. |
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299 * Fixed animation GUI effects on tooltips, menus, and comboboxes. |
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300 * Fixed crashes in threaded programs when Qt uses the Glib main |
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301 loop. |
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302 * Fixed bug where an empty LANG environment variable could prevent input |
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303 of non-ASCII chars in Qt widgets. |
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304 * Fixed leak of initial style created by QApplication after calling |
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305 QApplication::setStyle(). |
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306 * Fixed erroneous event delivery to a widget that has been destroyed. |
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307 * Prevent shortcuts for keypad arrow keys from being activated when |
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308 Num Lock is on. |
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309 * Fixed bug which caused incorrect drawing of subrectangles of bitmaps. |
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310 * Fixed bug in rendering of the Bengali script. |
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311 |
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312 Windows |
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313 ------- |
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314 * Fixed compilation with -no-stl. |
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315 * Fixed compilation with Windows SDK for Vista. |
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316 * Fixed an issue that could cause missing text when Cleartype was used. |
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317 * Fixed the hot-spot locations for OpenHandCursor and CloseHandCursor. |
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318 * Fixed infinite warning loop about adopted threads in applications with |
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319 many threads. |
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320 * Fixed assertion caused by hiding a child widget whose window has not |
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321 yet been created. |
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322 * Fixed QWindowsXPStyle so that it is possible to draw a |
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323 QStyle::CE_DockWidgetTitle without having an actual instance of |
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324 QDockWidget. |
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325 * Fixed crash when drawing text with large font sizes. |
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326 * Fixed support for the Khmer language. |
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327 * Fixed incorrect reporting of frameGeometry() after a window is closed. |
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328 * Fixed crash when handling spurious WM_CHAR from Remote Desktop Client. |
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329 * Fixed crash in JPEG plugin while loading. |
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330 * Fixed crash in QFileDialog::getExistingDirectory() when specifying |
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331 a parent that has not been shown yet. |
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332 |
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333 Mac OS X |
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334 -------- |
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335 * Fixed regression where dragging/copying Unicode text in Qt to another |
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336 application would only export the non-Unicode version. |
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337 * Fixed regression where releasing the mouse button would send two mouse |
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338 releas events to a widget. |
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339 * Fixed regression where the drop action would be reset after a native |
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340 "DragLeave" event was received. |
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341 * Wrapping a (non-Qt) window's content view and resizing before showing |
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342 the window for the first time now works correctly. |
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343 * Ensured that the content view is always created before we QWidgets are |
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344 added to a window - this allows better integration with Cocoa apps. |
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345 * Fixed regression where text/uri-list was inadvertently disabled for |
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346 clipboards. |
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347 * Fixed regression where setting the brushed metal style on a message |
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348 box would show the label in a non-metallic style. |
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349 * Fixed the open source binary package to have the correct definitions |
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350 for development. |
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351 |
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352 Qtopia Core |
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353 ----------- |
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354 * Fixed a data corruption bug in QDataStream on ARM processors where |
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355 reading and writing doubles/qreals would be incompatible with streams |
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356 on other platforms. |
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357 Note: corrupt data streams generated with previous versions of Qtopia |
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358 Core on ARM platforms cannot be read with this version. |
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359 * Fixed a possible buffer overflow in the VNC driver. |
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360 * Fixed a memory leak in the windowing system. |
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361 * Fixed painting errors occuring with use of QT::WA_PaintOnScreen on |
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362 certain screen configurations. |
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363 * Improved performance when using a 16-bit brush as the background on a |
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364 16-bit screen. |
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365 * Improved performance of 16-bit semi-transparent solid fills. |
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366 * Fixed crash that could occur when saving a 16-bit image in BMP or PPM |
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367 formats. |
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368 * Fixed bug where window icons would not be shown in Plastique style. |
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369 * Fixed bug in QWSServer::setMaxWindowRect() on rotated displays. |
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370 * Fixed crash with normalized Unicode characters and QPF fonts. |
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371 * Ensured that QWidget::minimumSize() does not become larger than the |
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372 screen size. |
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373 |