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qt 6.5.1 original
This commit is contained in:
kleuter
54
examples/dbus/chat/CMakeLists.txt
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54
examples/dbus/chat/CMakeLists.txt
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# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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cmake_minimum_required(VERSION 3.16)
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project(chat LANGUAGES CXX)
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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if(NOT DEFINED INSTALL_EXAMPLESDIR)
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set(INSTALL_EXAMPLESDIR "examples")
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endif()
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set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/dbus/chat")
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find_package(Qt6 REQUIRED COMPONENTS Core DBus Gui Widgets)
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qt_standard_project_setup()
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set(chat_SRCS)
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qt_add_dbus_interface(chat_SRCS
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org.example.chat.xml
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chat_interface
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)
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qt_add_dbus_adaptor(chat_SRCS
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org.example.chat.xml
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qobject.h
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QObject
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chat_adaptor
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)
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qt_add_executable(chat
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chat.cpp chat.h
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chatmainwindow.ui
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${chat_SRCS}
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)
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set_target_properties(chat PROPERTIES
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WIN32_EXECUTABLE TRUE
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MACOSX_BUNDLE TRUE
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)
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target_link_libraries(chat PRIVATE
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Qt6::Core
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Qt6::DBus
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Qt6::Gui
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Qt6::Widgets
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)
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install(TARGETS chat
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RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
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BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
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LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
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)
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91
examples/dbus/chat/chat.cpp
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91
examples/dbus/chat/chat.cpp
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QApplication>
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#include <QInputDialog>
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#include <QMessageBox>
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#include "chat.h"
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#include "chat_adaptor.h"
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#include "chat_interface.h"
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ChatMainWindow::ChatMainWindow()
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{
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setupUi(this);
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connect(messageLineEdit, &QLineEdit::textChanged, this,
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[this](const QString &newText) { sendButton->setEnabled(!newText.isEmpty()); });
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connect(sendButton, &QPushButton::clicked, this, [this]() {
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emit message(m_nickname, messageLineEdit->text());
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messageLineEdit->clear();
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});
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connect(actionChangeNickname, &QAction::triggered,
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this, &ChatMainWindow::changeNickname);
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connect(actionAboutQt, &QAction::triggered, this, [this]() { QMessageBox::aboutQt(this); });
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connect(qApp, &QApplication::lastWindowClosed, this,
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[this]() { emit action(m_nickname, tr("leaves the chat")); });
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// add our D-Bus interface and connect to D-Bus
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new ChatAdaptor(this);
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auto connection = QDBusConnection::sessionBus();
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connection.registerObject("/", this);
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using org::example::chat;
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auto *iface = new chat({}, {}, connection, this);
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connect(iface, &chat::message, this, [this](const QString &nickname, const QString &text) {
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displayMessage(tr("<%1> %2").arg(nickname, text));
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});
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connect(iface, &chat::action, this, [this](const QString &nickname, const QString &text) {
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displayMessage(tr("* %1 %2").arg(nickname, text));
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});
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if (!changeNickname(true))
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QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
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}
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void ChatMainWindow::displayMessage(const QString &message)
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{
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m_messages.append(message);
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if (m_messages.count() > 100)
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m_messages.removeFirst();
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auto history = m_messages.join(QLatin1String("\n"));
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chatHistory->setPlainText(history);
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}
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bool ChatMainWindow::changeNickname(bool initial)
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{
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auto newNickname = QInputDialog::getText(this, tr("Set nickname"), tr("New nickname:"));
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newNickname = newNickname.trimmed();
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if (!newNickname.isEmpty()) {
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auto old = m_nickname;
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m_nickname = newNickname;
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if (initial)
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emit action(m_nickname, tr("joins the chat"));
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else
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emit action(old, tr("is now known as %1").arg(m_nickname));
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return true;
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}
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return false;
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}
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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if (!QDBusConnection::sessionBus().isConnected()) {
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qWarning("Cannot connect to the D-Bus session bus.\n"
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"Please check your system settings and try again.\n");
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return 1;
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}
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ChatMainWindow chat;
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chat.show();
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return app.exec();
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}
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30
examples/dbus/chat/chat.h
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30
examples/dbus/chat/chat.h
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// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef CHAT_H
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#define CHAT_H
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#include <QStringList>
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#include "ui_chatmainwindow.h"
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class ChatMainWindow: public QMainWindow, Ui::ChatMainWindow
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{
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Q_OBJECT
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QString m_nickname;
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QStringList m_messages;
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public:
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ChatMainWindow();
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private:
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void displayMessage(const QString &message);
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signals:
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void message(const QString &nickname, const QString &text);
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void action(const QString &nickname, const QString &text);
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private slots:
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bool changeNickname(bool initial = false);
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};
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#endif // CHAT_H
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14
examples/dbus/chat/chat.pro
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14
examples/dbus/chat/chat.pro
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QT += dbus widgets
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HEADERS += chat.h
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SOURCES += chat.cpp
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FORMS += chatmainwindow.ui
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DBUS_ADAPTORS += org.example.chat.xml
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DBUS_INTERFACES += org.example.chat.xml
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CONFIG += no_batch # work around QTBUG-96513
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# install
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target.path = $$[QT_INSTALL_EXAMPLES]/dbus/chat
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INSTALLS += target
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185
examples/dbus/chat/chatmainwindow.ui
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185
examples/dbus/chat/chatmainwindow.ui
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<ui version="4.0" >
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<author></author>
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<comment></comment>
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<exportmacro></exportmacro>
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<class>ChatMainWindow</class>
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<widget class="QMainWindow" name="ChatMainWindow" >
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<property name="geometry" >
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>600</height>
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</rect>
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</property>
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<property name="windowTitle" >
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<string>Qt D-Bus Chat</string>
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</property>
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<widget class="QWidget" name="centralwidget" >
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<layout class="QHBoxLayout" >
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<property name="margin" >
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<number>9</number>
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</property>
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<property name="spacing" >
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<number>6</number>
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</property>
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<item>
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<layout class="QVBoxLayout" >
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<property name="margin" >
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<number>0</number>
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</property>
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<property name="spacing" >
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<number>6</number>
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</property>
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<item>
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<widget class="QTextBrowser" name="chatHistory" >
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<property name="acceptDrops" >
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<bool>false</bool>
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</property>
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<property name="toolTip" >
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<string>Messages sent and received from other users</string>
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</property>
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<property name="acceptRichText" >
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<bool>true</bool>
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</property>
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</widget>
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</item>
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<item>
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<layout class="QHBoxLayout" >
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<property name="margin" >
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<number>0</number>
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</property>
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<property name="spacing" >
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<number>6</number>
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</property>
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<item>
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<widget class="QLabel" name="label" >
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<property name="text" >
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<string>Message:</string>
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</property>
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<property name="buddy" >
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<cstring>messageLineEdit</cstring>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLineEdit" name="messageLineEdit" />
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</item>
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<item>
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<widget class="QPushButton" name="sendButton" >
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<property name="sizePolicy" >
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<sizepolicy>
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<hsizetype>1</hsizetype>
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<vsizetype>0</vsizetype>
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<horstretch>0</horstretch>
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<verstretch>0</verstretch>
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</sizepolicy>
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</property>
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<property name="toolTip" >
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<string>Sends a message to other people</string>
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</property>
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<property name="whatsThis" >
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<string/>
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</property>
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<property name="text" >
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<string>Send</string>
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</property>
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</widget>
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</item>
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</layout>
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</item>
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</layout>
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</item>
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</layout>
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</widget>
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<widget class="QMenuBar" name="menubar" >
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<property name="geometry" >
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<rect>
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<x>0</x>
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<y>0</y>
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<width>800</width>
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<height>31</height>
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</rect>
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</property>
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<widget class="QMenu" name="menuQuit" >
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<property name="title" >
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<string>Help</string>
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</property>
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<addaction name="actionAboutQt" />
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</widget>
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<widget class="QMenu" name="menuFile" >
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<property name="title" >
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<string>File</string>
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</property>
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<addaction name="actionChangeNickname" />
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<addaction name="separator" />
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<addaction name="actionQuit" />
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</widget>
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<addaction name="menuFile" />
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<addaction name="menuQuit" />
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</widget>
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<widget class="QStatusBar" name="statusbar" />
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<action name="actionQuit" >
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<property name="text" >
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<string>Quit</string>
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</property>
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<property name="shortcut" >
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<string>Ctrl+Q</string>
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</property>
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</action>
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<action name="actionAboutQt" >
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<property name="text" >
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<string>About Qt...</string>
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</property>
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</action>
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<action name="actionChangeNickname" >
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<property name="text" >
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<string>Change nickname...</string>
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</property>
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<property name="shortcut" >
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<string>Ctrl+N</string>
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</property>
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</action>
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</widget>
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<pixmapfunction></pixmapfunction>
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<tabstops>
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<tabstop>chatHistory</tabstop>
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<tabstop>messageLineEdit</tabstop>
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<tabstop>sendButton</tabstop>
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</tabstops>
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<resources/>
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<connections>
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<connection>
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<sender>messageLineEdit</sender>
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<signal>returnPressed()</signal>
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<receiver>sendButton</receiver>
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<slot>animateClick()</slot>
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<hints>
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<hint type="sourcelabel" >
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<x>299</x>
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<y>554</y>
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</hint>
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<hint type="destinationlabel" >
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<x>744</x>
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<y>551</y>
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</hint>
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</hints>
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</connection>
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<connection>
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<sender>actionQuit</sender>
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<signal>triggered(bool)</signal>
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<receiver>ChatMainWindow</receiver>
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<slot>close()</slot>
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<hints>
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<hint type="sourcelabel" >
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<x>-1</x>
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<y>-1</y>
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</hint>
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<hint type="destinationlabel" >
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<x>399</x>
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<y>299</y>
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</hint>
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</hints>
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</connection>
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</connections>
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</ui>
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15
examples/dbus/chat/org.example.chat.xml
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15
examples/dbus/chat/org.example.chat.xml
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@ -0,0 +1,15 @@
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<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
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"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
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<node>
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<interface name="org.example.chat">
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<signal name="message">
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<arg name="nickname" type="s" direction="out"/>
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<arg name="text" type="s" direction="out"/>
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</signal>
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<signal name="action">
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<arg name="nickname" type="s" direction="out"/>
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<arg name="text" type="s" direction="out"/>
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</signal>
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</interface>
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</node>
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