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annotate libgui/src/gui-preferences.h @ 32051:17a09d2bbe0f

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gui: Remove usage of QTextCodec from some more places. * libgui/src/gui-preference.h: Remove unused header. * libgui/src/octave-qobject.cc: Include header only if function from it are used. * m4/acinclude.m4: Do not require Qt6Core5Compat on platforms that don't need it.
author Markus Mützel <markus.muetzel@gmx.de>
date Sun, 23 Apr 2023 11:08:16 +0200
parents febd82d1a8de
children 2e484f9f1f18
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2017-2023 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_gui_preferences_h)
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27 #define octave_gui_preferences_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <QStringList>
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32 #include <QStyle>
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33 #include <QTabWidget>
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34 #include <QVariant>
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35
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36 // FIXME: Would it be possible/make sense to merge gui_pref and sc_pref
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37 // into a single class or to at least have them derived from a common
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38 // base class so we could have one global hash table that contains all
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39 // of them?
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40
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41 // Structure for the definition of pairs: key and default value
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42
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43 class gui_pref
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44 {
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45 public:
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46
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47 // Default constructed gui_pref objects are invalid, but we need this
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48 // to create QHash objects that contain gui_pref objects. No invalid
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49 // gui_pref objects should acutally be used.
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50
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51 gui_pref () = default;
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52
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53 gui_pref (const QString& settings_key, const QVariant& def,
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54 bool ignore = false);
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55
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56 gui_pref (const gui_pref&) = default;
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57
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58 gui_pref& operator = (const gui_pref&) = default;
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59
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60 ~gui_pref () = default;
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61
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62 QString settings_key () const { return m_settings_key; }
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63 QVariant def () const { return m_def; }
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64 bool ignore () const { return m_ignore; }
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65
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66 private:
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67
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68 // The settings key name.
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69 QString m_settings_key;
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70
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71 // The default value.
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72 QVariant m_def;
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73
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74 // TRUE means always take the default.
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75 bool m_ignore;
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76 };
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77
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78 // FIXME: Is there a better/more modern way to manage this data than to
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79 // have this style of singleton class?
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80
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81 // Allow lookup of gui_pref objects when we don't know the name at
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82 // compile time.
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83
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84 class all_gui_preferences
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85 {
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86 public:
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87
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88 all_gui_preferences () = default;
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89
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90 OCTAVE_DISABLE_COPY_MOVE (all_gui_preferences)
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91
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92 ~all_gui_preferences () = default;
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93
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94 static void insert (const QString& settings_key, const gui_pref& pref);
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95
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96 static const gui_pref value (const QString& settings_key);
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97
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98 static QStringList keys ();
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99
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100 private:
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101
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102 // Map from shortcut identifier (settings key) to gui_pref object.
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103 QHash <QString, gui_pref> m_hash;
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104
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105 void do_insert (const QString& settings_key, const gui_pref& pref);
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106
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107 const gui_pref do_value (const QString& settings_key) const;
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108
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109 QStringList do_keys () const;
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110
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111 static void ensure_instance ();
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112
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113 // Map from shortcut identifier (settings key) to sc_pref object.
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114 static all_gui_preferences *s_instance;
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115 };
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116
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117 // The version for shortcuts, where the default value is stored as a
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118 // combination of Qt:Keys (resutling in an unsigend int, when added)
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119 // or as one of the predefined standard key sequences.
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120
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121 class sc_pref
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122 {
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123 public:
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124
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125 // Default constructed sc_pref objects are invalid, but we need this
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126 // to create QHash objects that contain sc_pref objects. No invalid
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127 // sc_pref objects should acutally be used.
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128
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129 sc_pref () = default;
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130
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131 sc_pref (const QString& description, const QString& settings_key,
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132 Qt::Key def);
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133
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134 sc_pref (const QString& description_arg, const QString& settings_key,
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135 unsigned int def);
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136
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137 sc_pref (const QString& description_arg, const QString& settings_key,
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138 QKeySequence::StandardKey def_std);
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139
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140 sc_pref (const sc_pref&) = default;
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141
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142 sc_pref& operator = (const sc_pref&) = default;
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143
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144 ~sc_pref () = default;
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145
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146 QString description () const { return m_description; }
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147
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148 QString settings_key () const { return m_settings_key; }
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149
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150 unsigned int def () const { return m_def; }
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151
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152 QKeySequence::StandardKey def_std () const { return m_def_std; }
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153
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154 QKeySequence def_value () const;
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155
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156 QString def_text () const;
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157
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158 private:
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159
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160 // Description of the shortcut.
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161 QString m_description;
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162
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163 // The settings key name.
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164 QString m_settings_key;
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165
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166 // The default as key.
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167 unsigned int m_def;
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168
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169 // The default as standard key.
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170 QKeySequence::StandardKey m_def_std;
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171 };
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172
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173 // FIXME: Is there a better/more modern way to manage this data than to
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174 // have this style of singleton class?
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175
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176 // Allow lookup of sc_pref objects when we don't know the name at
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177 // compile time.
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178
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179 class all_shortcut_preferences
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180 {
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181 public:
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182
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183 all_shortcut_preferences () = default;
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184
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185 OCTAVE_DISABLE_COPY_MOVE (all_shortcut_preferences)
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186
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187 ~all_shortcut_preferences () = default;
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188
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189 static void insert (const QString& settings_key, const sc_pref& scpref);
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190
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191 static const sc_pref value (const QString& settings_key);
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192
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193 static QStringList keys ();
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194
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195 private:
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196
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197 // Map from shortcut identifier (settings key) to sc_pref object.
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198 QHash <QString, sc_pref> m_hash;
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199
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200 void do_insert (const QString& settings_key, const sc_pref& scpref);
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201
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202 const sc_pref do_value (const QString& settings_key) const;
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203
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204 QStringList do_keys () const;
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205
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206 static void ensure_instance ();
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207
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208 // Map from shortcut identifier (settings key) to sc_pref object.
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209 static all_shortcut_preferences *s_instance;
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210 };
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211
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212 #endif