Mercurial > octave
annotate libgui/src/resource-manager.cc @ 27893:465ac679e976
Fix typos and grammar errors in comments in libgui (patch #9790)
* color-picker.cc, documentation.cc, dw-main-window.cc, files-dock-widget.cc,
gui-preferences-mw.h, history-dock-widget.h, file-editor-tab.cc,
file-editor-tab.h, file-editor.cc, find-dialog.cc, octave-qscintilla.cc,
main-window.cc, octave-dock-widget.cc, octave-dock-widget.h,
resource-manager.cc, shortcut-manager.cc, tab-bar.cc, tab-bar.h,
variable-editor.cc, variable-editor.h, workspace-model.cc, workspace-view.cc:
Fix typos and grammar errors in comments.
author | Andrew Janke <andrew@apjanke.net> |
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date | Thu, 11 Apr 2019 07:37:20 -0400 |
parents | f68c7c56e5f2 |
children | b442ec6dda5c |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2011-2019 Jacob Dawid |
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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 |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your 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 |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License 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 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if defined (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 <string> |
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28 |
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29 #include <QDir> |
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30 #include <QFile> |
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31 #include <QLibraryInfo> |
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32 #include <QMessageBox> |
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33 #include <QNetworkProxy> |
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34 #if defined (HAVE_QSTANDARDPATHS) |
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35 # include <QStandardPaths> |
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36 #else |
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37 # include <QDesktopServices> |
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38 #endif |
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39 |
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40 #include <QTextCodec> |
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41 |
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42 #include "QTerminal.h" |
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43 #include "gui-preferences-ed.h" |
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44 #include "gui-preferences-global.h" |
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45 #include "octave-qobject.h" |
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46 #include "resource-manager.h" |
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47 #include "variable-editor.h" |
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48 #include "workspace-model.h" |
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49 |
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50 #include "file-ops.h" |
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51 #include "oct-env.h" |
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52 |
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53 #include "defaults.h" |
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54 #include "error.h" |
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55 #include "help.h" |
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56 |
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57 namespace octave |
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58 { |
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59 static QString |
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60 default_qt_settings_file (void) |
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61 { |
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62 std::string dsf = sys::env::getenv ("OCTAVE_DEFAULT_QT_SETTINGS"); |
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63 |
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64 if (dsf.empty ()) |
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65 dsf = (config::oct_etc_dir () |
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66 + sys::file_ops::dir_sep_str () |
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67 + "default-qt-settings"); |
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68 |
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69 return QString::fromStdString (dsf); |
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70 } |
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71 |
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72 resource_manager::resource_manager (void) |
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73 : m_settings_directory (), m_settings_file (), m_settings (nullptr), |
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74 m_default_settings (nullptr), m_temporary_files () |
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75 { |
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76 // Let gui_settings decide where to put the ini file with gui preferences |
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77 m_default_settings |
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78 = new gui_settings (QSettings::IniFormat, QSettings::UserScope, |
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79 "octave", "octave-gui"); |
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80 |
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81 m_settings_file = m_default_settings->fileName (); |
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82 |
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83 QFileInfo sfile (m_settings_file); |
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84 m_settings_directory = sfile.absolutePath (); |
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85 |
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86 QString xdg_config_home |
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87 = QString::fromLocal8Bit (qgetenv ("XDG_CONFIG_HOME")); |
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88 |
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89 if ((! sfile.exists ()) && xdg_config_home.isEmpty ()) |
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90 { |
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91 // File does not exist yet: Look for a settings file at the old |
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92 // location ($HOME/.config/octave/qt-settings) for impoting all |
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93 // available keys into the new settings file. |
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94 // Do not look for an old settings file if XDG_CONFIG_HOME is set, |
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95 // since then a nonexistent new settings file does not necessarily |
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96 // indicate a first run of octave with new config file locations. |
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97 #if defined (HAVE_QSTANDARDPATHS) |
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98 QString home_path |
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99 = QStandardPaths::writableLocation (QStandardPaths::HomeLocation); |
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100 #else |
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101 QString home_path |
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102 = QDesktopServices::storageLocation (QDesktopServices::HomeLocation); |
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103 #endif |
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104 |
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105 QString old_settings_directory = home_path + "/.config/octave"; |
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106 QString old_settings_file = old_settings_directory + "/qt-settings"; |
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107 |
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108 QFile ofile (old_settings_file); |
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109 |
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110 if (ofile.exists ()) |
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111 { |
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112 // Old settings file exists; create a gui_settings object related |
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113 // to it and copy all available keys to the new settings |
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114 gui_settings old_settings (old_settings_file, QSettings::IniFormat); |
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115 |
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116 QStringList keys = old_settings.allKeys (); |
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117 for (int i = 0; i < keys.count(); i++) |
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118 m_default_settings->setValue (keys.at(i), |
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119 old_settings.value(keys.at(i))); |
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120 |
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121 m_default_settings->sync (); // Done, make sure keys are written |
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122 } |
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123 } |
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124 } |
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125 |
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126 resource_manager::~resource_manager (void) |
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127 { |
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128 delete m_settings; |
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129 delete m_default_settings; |
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130 |
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131 for (int i = m_temporary_files.count () - 1; i >=0; i--) |
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132 remove_tmp_file (m_temporary_files.at (i)); |
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133 } |
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134 |
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135 QString resource_manager::get_gui_translation_dir (void) |
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136 { |
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137 // get environment variable for the locale dir (e.g. from run-octave) |
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138 std::string dldir = sys::env::getenv ("OCTAVE_LOCALE_DIR"); |
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139 if (dldir.empty ()) |
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140 dldir = config::oct_locale_dir (); // env-var empty, load the default location |
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141 return QString::fromStdString (dldir); |
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142 } |
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143 |
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144 void resource_manager::config_translators (QTranslator *qt_tr, |
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145 QTranslator *qsci_tr, |
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146 QTranslator *gui_tr) |
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147 { |
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148 bool loaded; |
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149 |
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150 QString qt_trans_dir |
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151 = QLibraryInfo::location (QLibraryInfo::TranslationsPath); |
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152 |
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153 QString language = "SYSTEM"; // take system language per default |
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154 |
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155 // FIXME: can we somehow ensure that the settings object will always |
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156 // be initialize and valid? |
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157 |
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158 if (m_settings) |
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159 { |
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160 // get the locale from the settings if already available |
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161 language = m_settings->value (global_language.key, |
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162 global_language.def).toString (); |
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163 } |
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164 |
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165 // load the translations depending on the settings |
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166 if (language == "SYSTEM") |
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167 { |
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168 // get the system locale and pass it to the translators for loading |
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169 // the suitable translation files |
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170 QLocale sys_locale = QLocale::system (); |
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171 |
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172 qt_tr->load (sys_locale, "qt", "_", qt_trans_dir); |
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173 qsci_tr->load (sys_locale, "qscintilla", "_", qt_trans_dir); |
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174 gui_tr->load (sys_locale, "", "", get_gui_translation_dir ()); |
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175 } |
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176 else |
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177 { |
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178 // load the translation files depending on the given locale name |
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179 loaded = qt_tr->load ("qt_" + language, qt_trans_dir); |
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180 if (! loaded) // try lower case |
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181 qt_tr->load ("qt_" + language.toLower (), qt_trans_dir); |
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182 |
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183 loaded = qsci_tr->load ("qscintilla_" + language, qt_trans_dir); |
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184 if (! loaded) // try lower case |
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185 qsci_tr->load ("qscintilla_" + language.toLower (), qt_trans_dir); |
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186 |
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187 gui_tr->load (language, get_gui_translation_dir ()); |
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188 } |
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189 |
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190 } |
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191 |
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192 gui_settings * resource_manager::get_settings (void) const |
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193 { |
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194 return m_settings; |
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195 } |
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196 |
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197 gui_settings * resource_manager::get_default_settings (void) const |
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198 { |
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199 return m_default_settings; |
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200 } |
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201 |
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202 QString resource_manager::get_settings_directory (void) |
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203 { |
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204 return m_settings_directory; |
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205 } |
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206 |
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207 QString resource_manager::get_settings_file (void) |
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208 { |
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209 return m_settings_file; |
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210 } |
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211 |
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212 QString resource_manager::get_default_font_family (void) |
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213 { |
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214 // Get the default monospaced font |
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215 #if defined (HAVE_QFONT_MONOSPACE) |
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216 QFont fixed_font; |
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217 fixed_font.setStyleHint (QFont::Monospace); |
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218 QString default_family = fixed_font.defaultFamily (); |
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219 #else |
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220 QString default_family = global_font_family; |
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221 #endif |
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222 |
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223 std::string env_default_family = sys::env::getenv ("OCTAVE_DEFAULT_FONT"); |
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224 if (! env_default_family.empty ()) |
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225 default_family = QString::fromStdString (env_default_family); |
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226 |
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227 return default_family; |
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228 } |
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229 |
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230 void resource_manager::reload_settings (void) |
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231 { |
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232 QString default_family = get_default_font_family (); |
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233 |
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234 if (! QFile::exists (m_settings_file)) |
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235 { |
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236 QDir ("/").mkpath (m_settings_directory); |
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237 QFile qt_settings (default_qt_settings_file ()); |
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238 |
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239 if (! qt_settings.open (QFile::ReadOnly)) |
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240 return; |
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241 |
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242 QTextStream in (&qt_settings); |
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243 QString settings_text = in.readAll (); |
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244 qt_settings.close (); |
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245 |
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246 default_family = get_default_font_family (); |
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247 |
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248 QString default_font_size = "10"; |
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249 |
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250 std::string env_default_font_size |
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251 = sys::env::getenv ("OCTAVE_DEFAULT_FONT_SIZE"); |
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252 |
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253 if (! env_default_font_size.empty ()) |
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254 default_font_size = QString::fromStdString (env_default_font_size); |
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255 |
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256 // Get the default custom editor |
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257 #if defined (Q_OS_WIN32) |
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258 QString custom_editor = "notepad++ -n%l %f"; |
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259 #else |
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260 QString custom_editor = "emacs +%l %f"; |
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261 #endif |
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262 |
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263 std::string env_default_editor |
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264 = sys::env::getenv ("OCTAVE_DEFAULT_EDITOR"); |
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265 |
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266 if (! env_default_editor.empty ()) |
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267 custom_editor = QString::fromStdString (env_default_editor); |
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268 |
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269 // Replace placeholders |
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270 settings_text.replace ("__default_custom_editor__", custom_editor); |
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271 settings_text.replace ("__default_font__", default_family); |
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272 settings_text.replace ("__default_font_size__", default_font_size); |
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273 |
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274 QFile user_settings (m_settings_file); |
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275 |
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276 if (! user_settings.open (QIODevice::WriteOnly)) |
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277 return; |
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278 |
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279 QTextStream out (&user_settings); |
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280 |
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281 out << settings_text; |
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282 |
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283 user_settings.close (); |
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284 } |
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285 |
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286 set_settings (m_settings_file); |
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287 |
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288 // Write the default monospace font into the settings for later use by |
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289 // console and editor as fallbacks of their font prefernces. |
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290 if (m_settings) |
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291 m_settings->setValue (global_mono_font.key, default_family); |
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292 |
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293 } |
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294 |
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295 void resource_manager::set_settings (const QString& file) |
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296 { |
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297 delete m_settings; |
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298 m_settings = new gui_settings (file, QSettings::IniFormat); |
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299 |
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300 if (! (QFile::exists (m_settings->fileName ()) |
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301 && m_settings->isWritable () |
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302 && m_settings->status () == QSettings::NoError)) |
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303 { |
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304 QString msg |
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305 = QString (QT_TR_NOOP ("The settings file\n%1\n" |
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306 "does not exist and can not be created.\n" |
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307 "Make sure you have read and write permissions to\n%2\n\n" |
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308 "Octave GUI must be closed now.")); |
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309 |
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310 QMessageBox::critical (nullptr, |
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311 QString (QT_TR_NOOP ("Octave Critical Error")), |
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312 msg.arg (get_settings_file ()).arg (get_settings_directory ())); |
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313 |
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314 exit (1); |
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315 } |
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316 } |
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317 |
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318 bool resource_manager::update_settings_key (const QString& old_key, |
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319 const QString& new_key) |
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320 { |
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321 if (m_settings->contains (old_key)) |
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322 { |
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323 QVariant preference = m_settings->value (old_key); |
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324 m_settings->setValue (new_key, preference); |
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325 m_settings->remove (old_key); |
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326 return true; |
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327 } |
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328 |
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329 return false; |
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330 } |
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331 |
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332 bool resource_manager::is_first_run (void) const |
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333 { |
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334 return ! QFile::exists (m_settings_file); |
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335 } |
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336 |
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337 void resource_manager::update_network_settings (void) |
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338 { |
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339 if (m_settings) |
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340 { |
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341 QNetworkProxy::ProxyType proxyType = QNetworkProxy::NoProxy; |
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342 |
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343 if (m_settings->value (global_use_proxy.key, global_use_proxy.def).toBool ()) |
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344 { |
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345 QString proxyTypeString |
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346 = m_settings->value (global_proxy_type.key, global_proxy_type.def).toString (); |
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347 |
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348 if (proxyTypeString == "Socks5Proxy") |
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349 proxyType = QNetworkProxy::Socks5Proxy; |
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350 else if (proxyTypeString == "HttpProxy") |
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351 proxyType = QNetworkProxy::HttpProxy; |
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352 } |
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353 |
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354 QNetworkProxy proxy; |
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355 |
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356 proxy.setType (proxyType); |
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357 proxy.setHostName (m_settings->value (global_proxy_host.key, |
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358 global_proxy_host.def).toString ()); |
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359 proxy.setPort (m_settings->value (global_proxy_port.key, |
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360 global_proxy_port.def).toInt ()); |
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361 proxy.setUser (m_settings->value (global_proxy_user.key, |
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362 global_proxy_user.def).toString ()); |
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363 proxy.setPassword (m_settings->value (global_proxy_pass.key, |
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364 global_proxy_pass.def).toString ()); |
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365 |
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366 QNetworkProxy::setApplicationProxy (proxy); |
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367 } |
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368 else |
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369 { |
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370 // FIXME: Is this an error? If so, what should we do? |
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371 } |
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372 } |
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373 |
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374 QIcon resource_manager::icon (const QString& icon_name, bool fallback) |
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375 { |
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376 // If system icon theme is not desired, take own icon files |
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377 if (! m_settings->value (global_icon_theme).toBool ()) |
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378 return QIcon (":/actions/icons/" + icon_name + ".png"); |
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379 |
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Fix typos and grammar errors in comments in libgui (patch #9790)
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380 // Use system icon theme with own files as fallback except when the |
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381 // fallback is explicitly disabled (fallback=false) |
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382 if (fallback) |
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383 return QIcon::fromTheme (icon_name, |
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384 QIcon (":/actions/icons/" + icon_name + ".png")); |
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385 else |
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386 return QIcon::fromTheme (icon_name); |
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387 } |
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388 |
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389 // get a list of all available encodings |
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390 void resource_manager::get_codecs (QStringList *codecs) |
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391 { |
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392 // get the codec name for each mib |
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393 QList<int> all_mibs = QTextCodec::availableMibs (); |
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394 for (auto mib : all_mibs) |
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395 { |
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396 QTextCodec *c = QTextCodec::codecForMib (mib); |
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397 codecs->append (c->name ().toUpper ()); |
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398 } |
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399 |
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400 // Append SYSTEM |
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401 codecs->append (QTextCodec::codecForLocale ()->name ().toUpper ().prepend |
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402 ("SYSTEM (").append (")")); |
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403 |
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404 // Clean up and sort list of codecs |
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405 codecs->removeDuplicates (); |
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406 qSort (*codecs); |
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407 } |
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408 |
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409 // initialize a given combo box with available text encodings |
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410 void resource_manager::combo_encoding (QComboBox *combo, |
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411 const QString& current) |
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412 { |
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413 QStringList all_codecs; |
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414 get_codecs (&all_codecs); |
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415 |
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416 // get the value from the settings file if no current encoding is given |
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417 QString enc = current; |
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418 |
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419 // Check for valid codec for the default. If this fails, "SYSTEM" (i.e. |
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420 // codecForLocale) will be chosen. |
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421 // FIXME: The default is "SYSTEM" on all platforms. So can this fallback |
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422 // logic be removed completely? |
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423 bool default_exists = false; |
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424 if (QTextCodec::codecForName (ed_default_enc.def.toString ().toLatin1 ()) |
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425 || (ed_default_enc.def.toString ().startsWith ("SYSTEM"))) |
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426 default_exists = true; |
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427 |
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428 QString default_enc = |
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429 QTextCodec::codecForLocale ()->name ().toUpper ().prepend |
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430 ("SYSTEM (").append (")"); |
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431 if (enc.isEmpty ()) |
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432 { |
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433 enc = m_settings->value (ed_default_enc).toString (); |
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434 |
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435 if (enc.isEmpty ()) // still empty? |
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436 { |
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437 if (default_exists) |
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438 enc = ed_default_enc.def.toString (); |
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439 else |
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440 enc = default_enc; |
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441 } |
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442 } |
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443 |
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444 // fill the combo box |
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445 for (const auto& c : all_codecs) |
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446 combo->addItem (c); |
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447 |
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448 // prepend the default item |
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449 combo->insertSeparator (0); |
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450 if (default_exists) |
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451 combo->insertItem (0, ed_default_enc.def.toString ()); |
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452 else |
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453 combo->insertItem (0, default_enc); |
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454 |
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455 // select the default or the current one |
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456 int idx = combo->findText (enc, Qt::MatchExactly); |
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457 if (idx >= 0) |
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458 combo->setCurrentIndex (idx); |
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459 else |
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460 combo->setCurrentIndex (0); |
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461 |
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462 combo->setMaxVisibleItems (12); |
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463 } |
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464 |
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465 QPointer<QTemporaryFile> |
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466 resource_manager::create_tmp_file (const QString& extension, |
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467 const QString& contents) |
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468 { |
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469 QString ext = extension; |
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470 if ((! ext.isEmpty ()) && (! ext.startsWith ('.'))) |
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471 ext = QString (".") + ext; |
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472 |
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473 // Create octave dir within temp. dir |
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474 QString tmp_dir = QDir::tempPath () + QDir::separator() + "octave"; |
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475 QDir::temp ().mkdir ("octave"); |
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476 |
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477 // Create temp. file |
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478 QPointer<QTemporaryFile> tmp_file |
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479 = new QTemporaryFile (tmp_dir + QDir::separator() + |
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480 "octave_XXXXXX" + ext, this); |
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481 |
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482 if (tmp_file->open ()) |
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483 { |
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484 tmp_file->write (contents.toUtf8 ()); |
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485 tmp_file->close (); |
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486 |
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487 m_temporary_files << tmp_file; |
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488 } |
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489 |
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490 return tmp_file; |
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491 } |
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492 |
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493 void resource_manager::remove_tmp_file (QPointer<QTemporaryFile> tmp_file) |
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494 { |
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495 if (tmp_file) |
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496 { |
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497 if (tmp_file->exists ()) |
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498 tmp_file->remove (); |
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499 |
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500 m_temporary_files.removeAll (tmp_file); |
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501 } |
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502 } |
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503 } |