Mercurial > octave-nkf

annotate libgui/qterminal/libqterminal/unix/QUnixTerminalImpl.cpp @ 16484:fa842e78f491

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Restore STDERR stream pipe before exit to capture error messages. * QUnixTerminalImpl.cpp, QUnixTerminalImpl.h (QUnixTerminalImpl::fdstderr): New member variable. (QUnixTerminalImpl::connectToPty): Duplicate STDERR_FILENO file descriptor. (QUnixTerminalImpl::~QUnixTerminalImpl): Duplicate-2 the stored descriptor back to STDERR_FILENO. * main-window.cc (main_window::~main_window): Delete terminal window first.
author Daniel J Sebald <daniel.sebald@ieee.org>
date Tue, 09 Apr 2013 23:08:21 -0400
parents 98902367c781
children 6f7940e36322
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1 /* Copyright (C) 2008 e_k (e_k@users.sourceforge.net)
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2 Copyright (C) 2012 Jacob Dawid <jacob.dawid@googlemail.com>
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3
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4 This library is free software; you can redistribute it and/or
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5 modify it under the terms of the GNU Library General Public
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6 License as published by the Free Software Foundation; either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This library is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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12 Library General Public License for more details.
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13
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14 You should have received a copy of the GNU Library General Public License
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15 along with this library; see the file COPYING.LIB. If not, write to
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16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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17 Boston, MA 02110-1301, USA.
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18 */
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19
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20 #include <QDebug>
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21
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22 #include "unix/QUnixTerminalImpl.h"
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23 #include "unix/kpty.h"
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24
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25 #include <termios.h>
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26
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27 QUnixTerminalImpl::QUnixTerminalImpl(QWidget *parent)
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28 : QTerminalInterface(parent) {
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29 setMinimumSize(300, 200);
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30 initialize();
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31 }
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32
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33 void QUnixTerminalImpl::initialize()
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34 {
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35 m_terminalView = new TerminalView(this);
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36 m_terminalView->setKeyboardCursorShape(TerminalView::UnderlineCursor);
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37 m_terminalView->setBlinkingCursor(true);
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38 m_terminalView->setBellMode(TerminalView::NotifyBell);
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39 m_terminalView->setTerminalSizeHint(true);
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40 m_terminalView->setContextMenuPolicy(Qt::CustomContextMenu);
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41 m_terminalView->setTripleClickMode(TerminalView::SelectWholeLine);
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42 m_terminalView->setTerminalSizeStartup(true);
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43 m_terminalView->setSize(80, 40);
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44 m_terminalView->setScrollBarPosition(TerminalView::ScrollBarRight);
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45
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46 connect(m_terminalView, SIGNAL(customContextMenuRequested(QPoint)),
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47 this, SLOT(handleCustomContextMenuRequested(QPoint)));
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48
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49 #ifdef Q_OS_MAC
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50 QFont font = QFont("Monaco");
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51 font.setStyleHint(QFont::TypeWriter);
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52 font.setPointSize(11);
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53 #else
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54 QFont font = QFont("Monospace");
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55 font.setStyleHint(QFont::TypeWriter);
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56 font.setPointSize(10);
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57 #endif
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58 setTerminalFont(font);
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59 setFocusProxy(m_terminalView);
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60 setFocus(Qt::OtherFocusReason);
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61
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62 m_kpty = new KPty();
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63 m_kpty->open();
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64
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65 m_terminalModel = new TerminalModel(m_kpty);
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66 m_terminalModel->setAutoClose(true);
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67 m_terminalModel->setCodec(QTextCodec::codecForName("UTF-8"));
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68 m_terminalModel->setHistoryType(HistoryTypeBuffer(1000));
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69 m_terminalModel->setDarkBackground(true);
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70 m_terminalModel->setKeyBindings("");
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71 m_terminalModel->run();
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72 m_terminalModel->addView(m_terminalView);
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73 connectToPty();
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74 }
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75
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76 void QUnixTerminalImpl::connectToPty()
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77 {
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78 // Store the file descriptor associated with the STDERR stream onto
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79 // another temporary file descriptor for reconnect in the destructor.
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80 fdstderr = dup (STDERR_FILENO);
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81
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82 int fds = m_kpty->slaveFd();
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83
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84 dup2 (fds, STDIN_FILENO);
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85 dup2 (fds, STDOUT_FILENO);
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86 dup2 (fds, STDERR_FILENO);
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87
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88 if(!isatty(STDIN_FILENO)) {
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89 qDebug("Error: stdin is not a tty.");
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90 }
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91
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92 if(!isatty(STDOUT_FILENO)) {
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93 qDebug("Error: stdout is not a tty.");
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94 }
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95
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96 if(!isatty(STDERR_FILENO)) {
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97 qDebug("Error: stderr is not a tty.");
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98 }
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99 }
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100
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101 QUnixTerminalImpl::~QUnixTerminalImpl()
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102 {
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103 // Restore stderr so that any errors at exit might appear somewhere.
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104 dup2 (fdstderr, STDERR_FILENO);
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105
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106 emit destroyed();
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107 }
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108
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109 void QUnixTerminalImpl::setTerminalFont(const QFont &font)
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110 {
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111 if(!m_terminalView)
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112 return;
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113 m_terminalView->setVTFont(font);
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114 }
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115
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116 void QUnixTerminalImpl::setSize(int h, int v)
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117 {
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118 if(!m_terminalView)
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119 return;
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120 m_terminalView->setSize(h, v);
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121 }
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122
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123 void QUnixTerminalImpl::sendText(const QString& text)
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124 {
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125 m_terminalModel->sendText(text);
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126 }
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127
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128 void QUnixTerminalImpl::setCursorType(CursorType type, bool blinking)
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129 {
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130 switch(type) {
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131 case UnderlineCursor: m_terminalView->setKeyboardCursorShape(TerminalView::UnderlineCursor); break;
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132 case BlockCursor: m_terminalView->setKeyboardCursorShape(TerminalView::BlockCursor); break;
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133 case IBeamCursor: m_terminalView->setKeyboardCursorShape(TerminalView::IBeamCursor); break;
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134 }
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135 m_terminalView->setBlinkingCursor(blinking);
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136 }
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137
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138 void QUnixTerminalImpl::focusInEvent(QFocusEvent *focusEvent)
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139 {
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140 Q_UNUSED(focusEvent);
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141 m_terminalView->updateImage();
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142 m_terminalView->repaint();
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143 m_terminalView->update();
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144 }
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145
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146 void QUnixTerminalImpl::showEvent(QShowEvent *)
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147 {
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148 m_terminalView->updateImage();
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149 m_terminalView->repaint();
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150 m_terminalView->update();
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151 }
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152
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153 void QUnixTerminalImpl::resizeEvent(QResizeEvent*)
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154 {
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155 m_terminalView->resize(this->size());
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156 m_terminalView->updateImage();
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157 m_terminalView->repaint();
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158 m_terminalView->update();
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159 }
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160
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161 void QUnixTerminalImpl::copyClipboard()
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162 {
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163 m_terminalView->copyClipboard();
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164 }
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165
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166 void QUnixTerminalImpl::pasteClipboard()
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167 {
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168 m_terminalView->pasteClipboard();
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169 }
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170