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annotate libgui/qterminal/libqterminal/QTerminal.h @ 20987:f99cbd86a0f9

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Prevent closing GUI by Ctrl+D in terminal (bug #46661) * QTerminal.cc (set_global_shortcuts): (un)set shortcut Ctrl-D for dummy action; (notice_settings): do not consider obsolete shortcut sets, check whether Ctrl+D is used as global shortcut and enable the dummy action accordingly * QTerminal.h (QTerminal): new dummy action with shortcut Ctrl+D * shortcut-manager.cc (do_init_data): reset flag for global Ctrl-D usage; (init, do_write_shortcuts): check for Ctrl-D usage as global shortcut and set the flag in settings accordingly
author Torsten <ttl@justmail.de>
date Sat, 26 Dec 2015 08:49:41 +0100
parents 88233ac3f3ea
children dd1dcef1ee33
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1 /*
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2
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3 Copyright (C) 2012-2015 Michael Goffioul.
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4 Copyright (C) 2012-2015 Jacob Dawid.
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5
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6 This file is part of QTerminal.
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7
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8 This program is free software; you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not,
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20 see <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifndef QTERMINAL_H
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25 #define QTERMINAL_H
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27 #include <QSettings>
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28 #include <QKeySequence>
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29 #include <QWidget>
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30 #include <QStringList>
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31 #include <QColor>
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32 #include <QList>
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33 #include <QMenu>
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34 #include <QClipboard>
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35 #include <QApplication>
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36 #include <QAction>
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37
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38 #include "resource-manager.h"
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39
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40 class QTerminal : public QWidget
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41 {
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42 Q_OBJECT
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43
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44 public:
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45
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46 static QTerminal *create (QWidget *xparent = 0);
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47
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48 static QList<QColor> default_colors (void);
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49
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50 static QStringList color_names (void);
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51
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52 virtual ~QTerminal (void) { }
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53
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54 virtual void setTerminalFont (const QFont& font) = 0;
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55
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56 virtual void setSize (int h, int v) = 0;
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57
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58 virtual void sendText (const QString& text) = 0;
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59
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60 virtual QString selectedText () = 0;
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61
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62 virtual void has_extra_interrupt (bool extra) = 0;
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63
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64 enum CursorType
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65 {
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66 UnderlineCursor,
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67 BlockCursor,
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68 IBeamCursor
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69 };
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70
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71 virtual void setCursorType (CursorType type, bool blinking)
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72 {
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73 // Provide empty default impl in order to avoid conflicts with the
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74 // win impl.
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75
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76 Q_UNUSED (type);
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77 Q_UNUSED (blinking);
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78 }
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79
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80 virtual void setBackgroundColor (const QColor& color) = 0;
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81
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82 virtual void setForegroundColor (const QColor& color) = 0;
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83
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84 virtual void setSelectionColor (const QColor& color) = 0;
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85
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86 virtual void setCursorColor (bool useForegroundColor,
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87 const QColor& color) = 0;
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88
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89 virtual void setScrollBufferSize(int value=1000) = 0;
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90
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91 signals:
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92
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93 void report_status_message (const QString&);
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94
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95 void interrupt_signal (void);
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96
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97 public slots:
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98
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99 virtual void copyClipboard (void) = 0;
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100
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101 virtual void pasteClipboard (void) = 0;
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102
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103 virtual void selectAll (void) = 0;
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104
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105 virtual void handleCustomContextMenuRequested (const QPoint& at)
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106 {
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107 QClipboard * cb = QApplication::clipboard ();
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108
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109 _paste_action->setEnabled (cb->text().length() > 0);
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110 _copy_action->setEnabled (selectedText().length() > 0);
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111
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112 _contextMenu->move (mapToGlobal (at));
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113 _contextMenu->show ();
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114 }
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115
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116 void notice_settings (const QSettings *settings);
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117
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118 virtual void init_terminal_size (void) { }
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119
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120 void terminal_interrupt (void) { emit interrupt_signal (); }
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121
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122 void set_global_shortcuts (bool focus_out);
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123
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124 protected:
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125
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126 QTerminal (QWidget *xparent = 0) : QWidget (xparent)
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127 {
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128 // context menu
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129 setContextMenuPolicy (Qt::CustomContextMenu);
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130
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131 _contextMenu = new QMenu (this);
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132
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133 _copy_action = _contextMenu->addAction (
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134 resource_manager::icon ("edit-copy"),
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135 tr ("Copy"), this, SLOT (copyClipboard ()));
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136
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137 _paste_action = _contextMenu->addAction (
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138 resource_manager::icon ("edit-paste"),
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139 tr ("Paste"), this, SLOT (pasteClipboard ()));
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140
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141 _contextMenu->addSeparator ();
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142
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143 _selectall_action = _contextMenu->addAction (
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144 tr ("Select All"), this, SLOT (selectAll ()));
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145
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146
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147 _contextMenu->addSeparator ();
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148
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149 _contextMenu->addAction (tr ("Clear Window"), parent (),
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150 SLOT (handle_clear_command_window_request ()));
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151
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152 connect (this, SIGNAL (customContextMenuRequested (QPoint)),
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153 this, SLOT (handleCustomContextMenuRequested (QPoint)));
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154
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155 connect (this, SIGNAL (report_status_message (const QString&)),
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156 xparent, SLOT (report_status_message (const QString&)));
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157
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158 connect (xparent, SIGNAL (settings_changed (const QSettings *)),
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159 this, SLOT (notice_settings (const QSettings *)));
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160
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161 connect (xparent, SIGNAL (init_terminal_size_signal ()),
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162 this, SLOT (init_terminal_size ()));
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163
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164 connect (xparent, SIGNAL (copyClipboard_signal ()),
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165 this, SLOT (copyClipboard ()));
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166
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167 connect (xparent, SIGNAL (pasteClipboard_signal ()),
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168 this, SLOT (pasteClipboard ()));
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169
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170 connect (xparent, SIGNAL (selectAll_signal ()),
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171 this, SLOT (selectAll ()));
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172
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173 // extra interrupt action
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174 _interrupt_action = new QAction (this);
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175 addAction (_interrupt_action);
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176
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177 _interrupt_action->setShortcut (
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178 QKeySequence (Qt::ControlModifier + Qt::Key_C));
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179
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180 connect (_interrupt_action, SIGNAL (triggered ()),
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181 this, SLOT (terminal_interrupt ()));
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182
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183 // dummy (nop) action catching Ctrl-D in terminal, no connection
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184 _nop_action = new QAction (this);
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185 addAction (_nop_action);
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186
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187 _nop_action->setShortcut (
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188 QKeySequence (Qt::ControlModifier + Qt::Key_D));
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189 }
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190
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191 private:
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192
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193 QMenu *_contextMenu;
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194 QAction * _copy_action;
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195 QAction * _paste_action;
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196 QAction * _selectall_action;
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197
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198 QAction *_interrupt_action;
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199 QAction *_nop_action;
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200 };
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parents:
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201
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202 #endif // QTERMINAL_H