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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the examples of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "chat.h" |
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43 #include <QtGui/QApplication> |
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44 #include <QtGui/QMessageBox> |
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45 |
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46 #include "chat_adaptor.h" |
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47 #include "chat_interface.h" |
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48 |
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49 ChatMainWindow::ChatMainWindow() |
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50 : m_nickname(QLatin1String("nickname")) |
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51 { |
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52 setupUi(this); |
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53 sendButton->setEnabled(false); |
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54 |
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55 connect(messageLineEdit, SIGNAL(textChanged(QString)), |
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56 this, SLOT(textChangedSlot(QString))); |
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57 connect(sendButton, SIGNAL(clicked(bool)), this, SLOT(sendClickedSlot())); |
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58 connect(actionChangeNickname, SIGNAL(triggered(bool)), this, SLOT(changeNickname())); |
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59 connect(actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(aboutQt())); |
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60 connect(qApp, SIGNAL(lastWindowClosed()), this, SLOT(exiting())); |
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61 |
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62 // add our D-Bus interface and connect to D-Bus |
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63 new ChatAdaptor(this); |
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64 QDBusConnection::sessionBus().registerObject("/", this); |
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65 |
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66 com::trolltech::chat *iface; |
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67 iface = new com::trolltech::chat(QString(), QString(), QDBusConnection::sessionBus(), this); |
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68 //connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString))); |
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69 QDBusConnection::sessionBus().connect(QString(), QString(), "com.trolltech.chat", "message", this, SLOT(messageSlot(QString,QString))); |
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70 connect(iface, SIGNAL(action(QString,QString)), this, SLOT(actionSlot(QString,QString))); |
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71 |
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72 NicknameDialog dialog; |
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73 dialog.cancelButton->setVisible(false); |
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74 dialog.exec(); |
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75 m_nickname = dialog.nickname->text().trimmed(); |
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76 emit action(m_nickname, QLatin1String("joins the chat")); |
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77 } |
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78 |
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79 ChatMainWindow::~ChatMainWindow() |
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80 { |
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81 } |
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82 |
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83 void ChatMainWindow::rebuildHistory() |
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84 { |
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85 QString history = m_messages.join( QLatin1String("\n" ) ); |
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86 chatHistory->setPlainText(history); |
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87 } |
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88 |
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89 void ChatMainWindow::messageSlot(const QString &nickname, const QString &text) |
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90 { |
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91 QString msg( QLatin1String("<%1> %2") ); |
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92 msg = msg.arg(nickname, text); |
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93 m_messages.append(msg); |
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94 |
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95 if (m_messages.count() > 100) |
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96 m_messages.removeFirst(); |
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97 rebuildHistory(); |
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98 } |
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99 |
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100 void ChatMainWindow::actionSlot(const QString &nickname, const QString &text) |
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101 { |
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102 QString msg( QLatin1String("* %1 %2") ); |
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103 msg = msg.arg(nickname, text); |
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104 m_messages.append(msg); |
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105 |
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106 if (m_messages.count() > 100) |
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107 m_messages.removeFirst(); |
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108 rebuildHistory(); |
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109 } |
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110 |
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111 void ChatMainWindow::textChangedSlot(const QString &newText) |
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112 { |
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113 sendButton->setEnabled(!newText.isEmpty()); |
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114 } |
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115 |
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116 void ChatMainWindow::sendClickedSlot() |
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117 { |
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118 //emit message(m_nickname, messageLineEdit->text()); |
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119 QDBusMessage msg = QDBusMessage::createSignal("/", "com.trolltech.chat", "message"); |
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120 msg << m_nickname << messageLineEdit->text(); |
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121 QDBusConnection::sessionBus().send(msg); |
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122 messageLineEdit->setText(QString()); |
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123 } |
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124 |
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125 void ChatMainWindow::changeNickname() |
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126 { |
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127 NicknameDialog dialog(this); |
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128 if (dialog.exec() == QDialog::Accepted) { |
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129 QString old = m_nickname; |
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130 m_nickname = dialog.nickname->text().trimmed(); |
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131 emit action(old, QString("is now known as %1").arg(m_nickname)); |
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132 } |
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133 } |
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134 |
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135 void ChatMainWindow::aboutQt() |
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136 { |
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137 QMessageBox::aboutQt(this); |
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138 } |
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139 |
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140 void ChatMainWindow::exiting() |
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141 { |
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142 emit action(m_nickname, QLatin1String("leaves the chat")); |
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143 } |
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144 |
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145 NicknameDialog::NicknameDialog(QWidget *parent) |
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146 : QDialog(parent) |
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147 { |
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148 setupUi(this); |
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149 } |
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150 |
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151 int main(int argc, char **argv) |
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152 { |
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153 QApplication app(argc, argv); |
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154 |
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155 if (!QDBusConnection::sessionBus().isConnected()) { |
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156 qWarning("Cannot connect to the D-Bus session bus.\n" |
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157 "Please check your system settings and try again.\n"); |
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158 return 1; |
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159 } |
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160 |
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161 ChatMainWindow chat; |
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162 chat.show(); |
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163 return app.exec(); |
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164 } |