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| author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
|---|---|---|
| committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
| commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
| tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /examples/network | |
| download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip | |
Add Qt3 development HEAD version
Diffstat (limited to 'examples/network')
69 files changed, 4553 insertions, 0 deletions
diff --git a/examples/network/archivesearch/archivedialog.ui b/examples/network/archivesearch/archivedialog.ui new file mode 100644 index 0000000..0aafb7b --- /dev/null +++ b/examples/network/archivesearch/archivedialog.ui @@ -0,0 +1,137 @@ +<!DOCTYPE UI><UI version="3.1" stdsetdef="1"> +<class>ArchiveDialog</class> +<widget class="QDialog"> + <property name="name"> + <cstring>ArchiveDialog</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>673</width> + <height>561</height> + </rect> + </property> + <property name="caption"> + <string>Qt-interest Archive Search Tool</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>layout1</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>myTextLabel</cstring> + </property> + <property name="text"> + <string>Search phrase</string> + </property> + </widget> + <widget class="QLineEdit"> + <property name="name"> + <cstring>myLineEdit</cstring> + </property> + </widget> + </hbox> + </widget> + <widget class="QSplitter"> + <property name="name"> + <cstring>splitter1</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <widget class="QListView"> + <column> + <property name="text"> + <string>Matching documents</string> + </property> + <property name="clickable"> + <bool>true</bool> + </property> + <property name="resizable"> + <bool>true</bool> + </property> + </column> + <property name="name"> + <cstring>myListView</cstring> + </property> + </widget> + <widget class="QTextBrowser"> + <property name="name"> + <cstring>myTextBrowser</cstring> + </property> + </widget> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>layout3</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <spacer> + <property name="name"> + <cstring>mySpacer</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>281</width> + <height>21</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>myPushButton</cstring> + </property> + <property name="text"> + <string>&Quit</string> + </property> + <property name="autoDefault"> + <bool>false</bool> + </property> + </widget> + </hbox> + </widget> + </vbox> +</widget> +<includes> + <include location="global" impldecl="in declaration">qhttp.h</include> + <include location="global" impldecl="in declaration">qurl.h</include> + <include location="global" impldecl="in declaration">qmessagebox.h</include> + <include location="global" impldecl="in declaration">qapplication.h</include> + <include location="global" impldecl="in declaration">qcursor.h</include> + <include location="global" impldecl="in declaration">qregexp.h</include> + <include location="local" impldecl="in implementation">archivedialog.ui.h</include> +</includes> +<variables> + <variable access="private">QHttp articleSearcher;</variable> + <variable access="private">QHttp articleFetcher;</variable> +</variables> +<slots> + <slot specifier="non virtual">fetch( QListViewItem * it )</slot> + <slot specifier="non virtual">fetchDone( bool error )</slot> + <slot specifier="non virtual">search()</slot> + <slot specifier="non virtual">searchDone( bool error )</slot> +</slots> +<functions> + <function access="private" specifier="non virtual">init()</function> +</functions> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/archivesearch/archivedialog.ui.h b/examples/network/archivesearch/archivedialog.ui.h new file mode 100644 index 0000000..6608cd6 --- /dev/null +++ b/examples/network/archivesearch/archivedialog.ui.h @@ -0,0 +1,102 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** ui.h extension file, included from the uic-generated form implementation. +** +** If you wish to add, delete or rename functions or slots use +** Qt Designer which will update this file, preserving your code. Create an +** init() function in place of a constructor, and a destroy() function in +** place of a destructor. +*****************************************************************************/ + +void ArchiveDialog::init() +{ + connect(&articleSearcher, SIGNAL(done(bool)), this, SLOT(searchDone(bool))); + connect(&articleFetcher, SIGNAL(done(bool)), this, SLOT(fetchDone(bool))); + connect(myListView, SIGNAL(selectionChanged(QListViewItem*)), this, SLOT(fetch(QListViewItem*))); + connect(myLineEdit, SIGNAL(returnPressed()), this, SLOT(search())); + connect(myListView, SIGNAL(returnPressed(QListViewItem*)), this, SLOT(fetch(QListViewItem*))); + connect(myPushButton, SIGNAL(clicked()), this, SLOT(close())); +} + +void ArchiveDialog::fetch( QListViewItem *it ) +{ + QUrl u(it->text(1)); + articleFetcher.setHost(u.host()); + articleFetcher.get(it->text(1)); +} + +void ArchiveDialog::fetchDone( bool error ) +{ + if (error) { + QMessageBox::critical(this, "Error fetching", + "An error occurred when fetching this document: " + + articleFetcher.errorString(), + QMessageBox::Ok, QMessageBox::NoButton); + } else { + myTextBrowser->setText(articleFetcher.readAll()); + } +} + +void ArchiveDialog::search() +{ + if (articleSearcher.state() == QHttp::HostLookup + || articleSearcher.state() == QHttp::Connecting + || articleSearcher.state() == QHttp::Sending + || articleSearcher.state() == QHttp::Reading) { + articleSearcher.abort(); + } + + if (myLineEdit->text() == "") { + QMessageBox::critical(this, "Empty query", + "Please type a search string.", + QMessageBox::Ok, QMessageBox::NoButton); + } else { + QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); + + articleSearcher.setHost("lists.trolltech.com"); + + QHttpRequestHeader header("POST", "/qt-interest/search.php"); + header.setValue("Host", "lists.trolltech.com"); + header.setContentType("application/x-www-form-urlencoded"); + + QString encodedTopic = myLineEdit->text(); + QUrl::encode(encodedTopic); + QString searchString = "qt-interest=on&search=" + encodedTopic; + + articleSearcher.request(header, searchString.utf8()); + } + +} + +void ArchiveDialog::searchDone( bool error ) +{ + if (error) { + QMessageBox::critical(this, "Error searching", + "An error occurred when searching: " + + articleSearcher.errorString(), + QMessageBox::Ok, QMessageBox::NoButton); + } else { + QString result(articleSearcher.readAll()); + + QRegExp rx("<a href=\"(http://lists\\.trolltech\\.com/qt-interest/.*)\">(.*)</a>"); + rx.setMinimal(TRUE); + int pos = 0; + while (pos >= 0) { + pos = rx.search(result, pos); + if (pos > -1) { + pos += rx.matchedLength(); + new QListViewItem(myListView, rx.cap(2), rx.cap(1)); + } + } + } + + QApplication::restoreOverrideCursor(); +} diff --git a/examples/network/archivesearch/archivesearch.doc b/examples/network/archivesearch/archivesearch.doc new file mode 100644 index 0000000..e4589cc --- /dev/null +++ b/examples/network/archivesearch/archivesearch.doc @@ -0,0 +1,25 @@ +/* +*/ + +/*! \page archivesearch-example.html + + \ingroup network-examples + + \title A qt-interest mail archive search + + This example does a search on the qt-interest mailinglist archives. It uses + QHttp to issue the search command and to fetch the results. The GUI parts + were done using \link designer-manual.book Qt Designer\endlink. + + <hr> + + The implementation of the HTTP requests (archivedialog.ui.h): + + \include network/archivesearch/archivedialog.ui.h + + <hr> + + Main (main.cpp): + + \include network/archivesearch/main.cpp +*/ diff --git a/examples/network/archivesearch/archivesearch.pro b/examples/network/archivesearch/archivesearch.pro new file mode 100644 index 0000000..1423814 --- /dev/null +++ b/examples/network/archivesearch/archivesearch.pro @@ -0,0 +1,9 @@ +TEMPLATE = app + +CONFIG += qt warn_on release + +REQUIRES = network full-config + +HEADERS += archivedialog.ui.h +INTERFACES += archivedialog.ui +SOURCES += main.cpp diff --git a/examples/network/archivesearch/main.cpp b/examples/network/archivesearch/main.cpp new file mode 100644 index 0000000..1766470 --- /dev/null +++ b/examples/network/archivesearch/main.cpp @@ -0,0 +1,23 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "archivedialog.h" +#include <qapplication.h> + +int main(int argc, char **argv) +{ + QApplication a( argc, argv ); + ArchiveDialog ad; + ad.show(); + + QObject::connect( &a, SIGNAL(lastWindowClosed()), + &a, SLOT(quit()) ); + + return a.exec(); +} diff --git a/examples/network/clientserver/client/client.cpp b/examples/network/clientserver/client/client.cpp new file mode 100644 index 0000000..35cfb98 --- /dev/null +++ b/examples/network/clientserver/client/client.cpp @@ -0,0 +1,125 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qapplication.h> +#include <qvbox.h> +#include <qhbox.h> +#include <qtextview.h> +#include <qlineedit.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qtextstream.h> + + +class Client : public QVBox +{ + Q_OBJECT +public: + Client( const QString &host, Q_UINT16 port ) + { + // GUI layout + infoText = new QTextView( this ); + QHBox *hb = new QHBox( this ); + inputText = new QLineEdit( hb ); + QPushButton *send = new QPushButton( tr("Send") , hb ); + QPushButton *close = new QPushButton( tr("Close connection") , this ); + QPushButton *quit = new QPushButton( tr("Quit") , this ); + + connect( send, SIGNAL(clicked()), SLOT(sendToServer()) ); + connect( close, SIGNAL(clicked()), SLOT(closeConnection()) ); + connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) ); + + // create the socket and connect various of its signals + socket = new QSocket( this ); + connect( socket, SIGNAL(connected()), + SLOT(socketConnected()) ); + connect( socket, SIGNAL(connectionClosed()), + SLOT(socketConnectionClosed()) ); + connect( socket, SIGNAL(readyRead()), + SLOT(socketReadyRead()) ); + connect( socket, SIGNAL(error(int)), + SLOT(socketError(int)) ); + + // connect to the server + infoText->append( tr("Trying to connect to the server\n") ); + socket->connectToHost( host, port ); + } + + ~Client() + { + } + +private slots: + void closeConnection() + { + socket->close(); + if ( socket->state() == QSocket::Closing ) { + // We have a delayed close. + connect( socket, SIGNAL(delayedCloseFinished()), + SLOT(socketClosed()) ); + } else { + // The socket is closed. + socketClosed(); + } + } + + void sendToServer() + { + // write to the server + QTextStream os(socket); + os << inputText->text() << "\n"; + inputText->setText( "" ); + } + + void socketReadyRead() + { + // read from the server + while ( socket->canReadLine() ) { + infoText->append( socket->readLine() ); + } + } + + void socketConnected() + { + infoText->append( tr("Connected to server\n") ); + } + + void socketConnectionClosed() + { + infoText->append( tr("Connection closed by the server\n") ); + } + + void socketClosed() + { + infoText->append( tr("Connection closed\n") ); + } + + void socketError( int e ) + { + infoText->append( tr("Error number %1 occurred\n").arg(e) ); + } + +private: + QSocket *socket; + QTextView *infoText; + QLineEdit *inputText; +}; + + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + Client client( argc<2 ? "localhost" : argv[1], 4242 ); + app.setMainWidget( &client ); + client.show(); + return app.exec(); +} + +#include "client.moc" diff --git a/examples/network/clientserver/client/client.pro b/examples/network/clientserver/client/client.pro new file mode 100644 index 0000000..bc3b9e9 --- /dev/null +++ b/examples/network/clientserver/client/client.pro @@ -0,0 +1,9 @@ +TEMPLATE = app +TARGET = client + +CONFIG += qt warn_on release + +REQUIRES = network full-config + +HEADERS = +SOURCES = client.cpp diff --git a/examples/network/clientserver/clientserver.doc b/examples/network/clientserver/clientserver.doc new file mode 100644 index 0000000..67b72a5 --- /dev/null +++ b/examples/network/clientserver/clientserver.doc @@ -0,0 +1,35 @@ +/* +*/ + +/*! \page clientserver-example.html + + \ingroup network-examples + + \title A small client-server example + + This example shows how two programs can communicate using sockets. + + Two simple example programs are provided, a client program and a + server program. Both use the QSocket class, and the server also uses + QServerSocket class. + + The server listens on port number 4242 and accepts incoming connections. + It sends back every line it receives from the client, prepended with + the line number. + + The client tries to connect to the server on the host specified on the + command line or to localhost if no command line arguments are + specified. You can send single lines to the server. + + <hr> + + Implementation server (server.cpp): + + \include network/clientserver/server/server.cpp + + <hr> + + Implementation client (client.cpp): + + \include network/clientserver/client/client.cpp +*/ diff --git a/examples/network/clientserver/server/server.cpp b/examples/network/clientserver/server/server.cpp new file mode 100644 index 0000000..440647c --- /dev/null +++ b/examples/network/clientserver/server/server.cpp @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qserversocket.h> +#include <qapplication.h> +#include <qvbox.h> +#include <qtextview.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qtextstream.h> + +#include <stdlib.h> + + +/* + The ClientSocket class provides a socket that is connected with a client. + For every client that connects to the server, the server creates a new + instance of this class. +*/ +class ClientSocket : public QSocket +{ + Q_OBJECT +public: + ClientSocket( int sock, QObject *parent=0, const char *name=0 ) : + QSocket( parent, name ) + { + line = 0; + connect( this, SIGNAL(readyRead()), + SLOT(readClient()) ); + connect( this, SIGNAL(connectionClosed()), + SLOT(deleteLater()) ); + setSocket( sock ); + } + + ~ClientSocket() + { + } + +signals: + void logText( const QString& ); + +private slots: + void readClient() + { + QTextStream ts( this ); + while ( canReadLine() ) { + QString str = ts.readLine(); + emit logText( tr("Read: '%1'\n").arg(str) ); + + ts << line << ": " << str << endl; + emit logText( tr("Wrote: '%1: %2'\n").arg(line).arg(str) ); + + line++; + } + } + +private: + int line; +}; + + +/* + The SimpleServer class handles new connections to the server. For every + client that connects, it creates a new ClientSocket -- that instance is now + responsible for the communication with that client. +*/ +class SimpleServer : public QServerSocket +{ + Q_OBJECT +public: + SimpleServer( QObject* parent=0 ) : + QServerSocket( 4242, 1, parent ) + { + if ( !ok() ) { + qWarning("Failed to bind to port 4242"); + exit(1); + } + } + + ~SimpleServer() + { + } + + void newConnection( int socket ) + { + ClientSocket *s = new ClientSocket( socket, this ); + emit newConnect( s ); + } + +signals: + void newConnect( ClientSocket* ); +}; + + +/* + The ServerInfo class provides a small GUI for the server. It also creates the + SimpleServer and as a result the server. +*/ +class ServerInfo : public QVBox +{ + Q_OBJECT +public: + ServerInfo() + { + SimpleServer *server = new SimpleServer( this ); + + QString itext = tr( + "This is a small server example.\n" + "Connect with the client now." + ); + QLabel *lb = new QLabel( itext, this ); + lb->setAlignment( AlignHCenter ); + infoText = new QTextView( this ); + QPushButton *quit = new QPushButton( tr("Quit") , this ); + + connect( server, SIGNAL(newConnect(ClientSocket*)), + SLOT(newConnect(ClientSocket*)) ); + connect( quit, SIGNAL(clicked()), qApp, + SLOT(quit()) ); + } + + ~ServerInfo() + { + } + +private slots: + void newConnect( ClientSocket *s ) + { + infoText->append( tr("New connection\n") ); + connect( s, SIGNAL(logText(const QString&)), + infoText, SLOT(append(const QString&)) ); + connect( s, SIGNAL(connectionClosed()), + SLOT(connectionClosed()) ); + } + + void connectionClosed() + { + infoText->append( tr("Client closed connection\n") ); + } + +private: + QTextView *infoText; +}; + + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + ServerInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} + +#include "server.moc" diff --git a/examples/network/clientserver/server/server.pro b/examples/network/clientserver/server/server.pro new file mode 100644 index 0000000..0a845b5 --- /dev/null +++ b/examples/network/clientserver/server/server.pro @@ -0,0 +1,9 @@ +TEMPLATE = app +TARGET = server + +CONFIG += qt warn_on release + +REQUIRES = network full-config + +HEADERS = +SOURCES = server.cpp diff --git a/examples/network/ftpclient/README b/examples/network/ftpclient/README new file mode 100644 index 0000000..8b1bd7e --- /dev/null +++ b/examples/network/ftpclient/README @@ -0,0 +1,3 @@ +This example is a small ftp client. It shows how to use the QFtp class. + +This example needs the network extension. diff --git a/examples/network/ftpclient/connectdialog.ui b/examples/network/ftpclient/connectdialog.ui new file mode 100644 index 0000000..1531054 --- /dev/null +++ b/examples/network/ftpclient/connectdialog.ui @@ -0,0 +1,244 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>ConnectDialog</class> +<widget class="QDialog"> + <property name="name"> + <cstring>ConnectDialog</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>384</width> + <height>165</height> + </rect> + </property> + <property name="caption"> + <string>Choose host to connect to</string> + </property> + <property name="sizeGripEnabled"> + <bool>true</bool> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QFrame"> + <property name="name"> + <cstring>Frame3</cstring> + </property> + <property name="frameShape"> + <enum>StyledPanel</enum> + </property> + <property name="frameShadow"> + <enum>Raised</enum> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QLabel" row="0" column="0"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="text"> + <string>&Remote Host:</string> + </property> + <property name="buddy" stdset="0"> + <cstring>host</cstring> + </property> + </widget> + <widget class="QLabel" row="1" column="0"> + <property name="name"> + <cstring>TextLabel5</cstring> + </property> + <property name="text"> + <string>&Username:</string> + </property> + <property name="buddy" stdset="0"> + <cstring>username</cstring> + </property> + </widget> + <widget class="QLabel" row="2" column="0"> + <property name="name"> + <cstring>TextLabel6</cstring> + </property> + <property name="text"> + <string>&Password:</string> + </property> + <property name="buddy" stdset="0"> + <cstring>password</cstring> + </property> + </widget> + <widget class="QLineEdit" row="2" column="1"> + <property name="name"> + <cstring>password</cstring> + </property> + <property name="text"> + <string></string> + </property> + <property name="echoMode"> + <enum>Password</enum> + </property> + </widget> + <widget class="QLineEdit" row="1" column="1"> + <property name="name"> + <cstring>username</cstring> + </property> + <property name="text"> + <string>anonymous</string> + </property> + </widget> + <widget class="QLayoutWidget" row="0" column="1"> + <property name="name"> + <cstring>Layout21</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QLineEdit"> + <property name="name"> + <cstring>host</cstring> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel3</cstring> + </property> + <property name="text"> + <string>P&ort:</string> + </property> + <property name="buddy" stdset="0"> + <cstring>port</cstring> + </property> + </widget> + <widget class="QSpinBox"> + <property name="name"> + <cstring>port</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="maxValue"> + <number>1000</number> + </property> + <property name="value"> + <number>21</number> + </property> + </widget> + </hbox> + </widget> + </grid> + </widget> + <spacer> + <property name="name"> + <cstring>Spacer5</cstring> + </property> + <property name="orientation"> + <enum>Vertical</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>31</width> + <height>0</height> + </size> + </property> + </spacer> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout1</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <spacer> + <property name="name"> + <cstring>Horizontal Spacing2</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>0</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>buttonOk</cstring> + </property> + <property name="text"> + <string>OK</string> + </property> + <property name="accel"> + <number>0</number> + </property> + <property name="autoDefault"> + <bool>true</bool> + </property> + <property name="default"> + <bool>true</bool> + </property> + </widget> + <widget class="QPushButton"> + <property name="name"> + <cstring>buttonCancel</cstring> + </property> + <property name="text"> + <string>Cancel</string> + </property> + <property name="accel"> + <number>0</number> + </property> + <property name="autoDefault"> + <bool>true</bool> + </property> + </widget> + </hbox> + </widget> + </vbox> +</widget> +<connections> + <connection> + <sender>buttonOk</sender> + <signal>clicked()</signal> + <receiver>ConnectDialog</receiver> + <slot>accept()</slot> + </connection> + <connection> + <sender>buttonCancel</sender> + <signal>clicked()</signal> + <receiver>ConnectDialog</receiver> + <slot>reject()</slot> + </connection> +</connections> +<tabstops> + <tabstop>host</tabstop> + <tabstop>port</tabstop> + <tabstop>username</tabstop> + <tabstop>password</tabstop> + <tabstop>buttonOk</tabstop> + <tabstop>buttonCancel</tabstop> +</tabstops> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/ftpclient/ftpclient.doc b/examples/network/ftpclient/ftpclient.doc new file mode 100644 index 0000000..13be191 --- /dev/null +++ b/examples/network/ftpclient/ftpclient.doc @@ -0,0 +1,24 @@ +/* +*/ + +/*! \page ftpclient-example.html + + \ingroup network-examples + + \title An FTP client + + This example implements a FTP client. It uses QFtp to perform its FTP + commands. The GUI parts are done in the Designer. + + <hr> + + The implementation of the FTP commands (ftpmainwindow.ui.h): + + \include network/ftpclient/ftpmainwindow.ui.h + + <hr> + + Main (main.cpp): + + \include network/ftpclient/main.cpp +*/ diff --git a/examples/network/ftpclient/ftpclient.pro b/examples/network/ftpclient/ftpclient.pro new file mode 100644 index 0000000..eb71f13 --- /dev/null +++ b/examples/network/ftpclient/ftpclient.pro @@ -0,0 +1,14 @@ +TEMPLATE = app +TARGET = ftpclient + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = ftpviewitem.h +SOURCES = main.cpp \ + ftpviewitem.cpp +FORMS = ftpmainwindow.ui \ + connectdialog.ui +IMAGES = images/file.png \ + images/folder.png diff --git a/examples/network/ftpclient/ftpmainwindow.ui b/examples/network/ftpclient/ftpmainwindow.ui new file mode 100644 index 0000000..6c3ab30 --- /dev/null +++ b/examples/network/ftpclient/ftpmainwindow.ui @@ -0,0 +1,280 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>FtpMainWindow</class> +<widget class="QMainWindow"> + <property name="name"> + <cstring>FtpMainWindow</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>600</width> + <height>480</height> + </rect> + </property> + <property name="caption"> + <string>Ftp client example</string> + </property> + <grid> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <widget class="QListView" row="1" column="0" rowspan="1" colspan="2"> + <column> + <property name="text"> + <string>Name</string> + </property> + <property name="clickable"> + <bool>true</bool> + </property> + <property name="resizable"> + <bool>true</bool> + </property> + </column> + <column> + <property name="text"> + <string>Size</string> + </property> + <property name="clickable"> + <bool>true</bool> + </property> + <property name="resizable"> + <bool>true</bool> + </property> + </column> + <column> + <property name="text"> + <string>Last Modified</string> + </property> + <property name="clickable"> + <bool>true</bool> + </property> + <property name="resizable"> + <bool>true</bool> + </property> + </column> + <property name="name"> + <cstring>remoteView</cstring> + </property> + <property name="showSortIndicator"> + <bool>true</bool> + </property> + </widget> + <widget class="QComboBox" row="0" column="1"> + <property name="name"> + <cstring>remotePath</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>7</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="editable"> + <bool>true</bool> + </property> + <property name="duplicatesEnabled"> + <bool>false</bool> + </property> + </widget> + <widget class="QLabel" row="0" column="0"> + <property name="name"> + <cstring>TextLabel4</cstring> + </property> + <property name="text"> + <string>&Remote Path:</string> + </property> + <property name="buddy" stdset="0"> + <cstring>remotePath</cstring> + </property> + </widget> + </grid> +</widget> +<menubar> + <property name="name"> + <cstring>menubar</cstring> + </property> + <item text="&File" name="fileMenu"> + <action name="fileConnectAction"/> + <action name="fileDownloadAction"/> + <action name="fileUploadAction"/> + <action name="fileRemoveAction"/> + <separator/> + <action name="fileExitAction"/> + </item> +</menubar> +<toolbars> + <toolbar dock="2"> + <property name="name"> + <cstring>toolBar</cstring> + </property> + <property name="label"> + <string>Tools</string> + </property> + <action name="fileConnectAction"/> + <action name="fileDownloadAction"/> + <action name="fileUploadAction"/> + <action name="fileRemoveAction"/> + </toolbar> +</toolbars> +<actions> + <action> + <property name="name"> + <cstring>fileDownloadAction</cstring> + </property> + <property name="iconSet"> + <iconset>image0</iconset> + </property> + <property name="text"> + <string>Download...</string> + </property> + <property name="accel"> + <number>0</number> + </property> + </action> + <action> + <property name="name"> + <cstring>fileExitAction</cstring> + </property> + <property name="text"> + <string>Exit</string> + </property> + <property name="menuText"> + <string>E&xit</string> + </property> + <property name="accel"> + <number>0</number> + </property> + </action> + <action> + <property name="name"> + <cstring>fileRemoveAction</cstring> + </property> + <property name="iconSet"> + <iconset>image1</iconset> + </property> + <property name="text"> + <string>Remove</string> + </property> + </action> + <action> + <property name="name"> + <cstring>fileUploadAction</cstring> + </property> + <property name="iconSet"> + <iconset>image2</iconset> + </property> + <property name="text"> + <string>Upload...</string> + </property> + </action> + <action> + <property name="name"> + <cstring>fileConnectAction</cstring> + </property> + <property name="iconSet"> + <iconset>image3</iconset> + </property> + <property name="text"> + <string>Connect...</string> + </property> + </action> +</actions> +<images> + <image name="image0"> + <data format="XPM.GZ" 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+ </image> +</images> +<connections> + <connection> + <sender>fileExitAction</sender> + <signal>activated()</signal> + <receiver>FtpMainWindow</receiver> + <slot>close()</slot> + </connection> + <connection> + <sender>fileDownloadAction</sender> + <signal>activated()</signal> + <receiver>FtpMainWindow</receiver> + <slot>downloadFile()</slot> + </connection> + <connection> + <sender>fileRemoveAction</sender> + <signal>activated()</signal> + <receiver>FtpMainWindow</receiver> + <slot>removeFile()</slot> + </connection> + <connection> + <sender>fileUploadAction</sender> + <signal>activated()</signal> + <receiver>FtpMainWindow</receiver> + <slot>uploadFile()</slot> + </connection> + <connection> + <sender>fileConnectAction</sender> + <signal>activated()</signal> + <receiver>FtpMainWindow</receiver> + <slot>connectToHost()</slot> + </connection> + <connection> + <sender>remotePath</sender> + <signal>activated(const QString&)</signal> + <receiver>FtpMainWindow</receiver> + <slot>changePath(const QString&)</slot> + </connection> + <connection> + <sender>remoteView</sender> + <signal>doubleClicked(QListViewItem*)</signal> + <receiver>FtpMainWindow</receiver> + <slot>changePathOrDownload(QListViewItem*)</slot> + </connection> + <connection> + <sender>remoteView</sender> + <signal>returnPressed(QListViewItem*)</signal> + <receiver>FtpMainWindow</receiver> + <slot>changePathOrDownload(QListViewItem*)</slot> + </connection> +</connections> +<includes> + <include location="local" impldecl="in implementation">ftpmainwindow.ui.h</include> +</includes> +<forwards> + <forward>class QFtp;</forward> + <forward>class QUrlInfo;</forward> +</forwards> +<variables> + <variable access="private">QFtp *ftp</variable> + <variable access="private">QLabel *stateFtp</variable> + <variable access="private">QString currentFtpDir</variable> +</variables> +<slots> + <slot access="public">connectToHost()</slot> + <slot access="private">uploadFile()</slot> + <slot access="private">downloadFile()</slot> + <slot access="private">removeFile()</slot> + <slot access="private">changePath( const QString & newPath )</slot> + <slot access="private">ftp_commandStarted()</slot> + <slot access="private">ftp_commandFinished()</slot> + <slot access="private">ftp_done( bool error )</slot> + <slot access="private">ftp_stateChanged( int state )</slot> + <slot access="private">ftp_listInfo( const QUrlInfo & i )</slot> + <slot access="private">ftp_rawCommandReply( int code, const QString & text )</slot> + <slot access="private">changePathOrDownload( QListViewItem * )</slot> +</slots> +<functions> + <function access="private">init()</function> + <function access="private">destroy()</function> +</functions> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/ftpclient/ftpmainwindow.ui.h b/examples/network/ftpclient/ftpmainwindow.ui.h new file mode 100644 index 0000000..2feeb5a --- /dev/null +++ b/examples/network/ftpclient/ftpmainwindow.ui.h @@ -0,0 +1,273 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +/**************************************************************************** +** +** ui.h extension file, included from the uic-generated form implementation. +** +** The init() function is used in place of a constructor. +** The destroy() function is used in place of a destructor. +** The slots uploadFile(), downloadFile(), removeFile() and connectToHost() are +** connected with the resp. actions of the GUI. +** +*****************************************************************************/ + +#include <qftp.h> +#include <qlineedit.h> +#include <qspinbox.h> +#include <qstatusbar.h> +#include <qmessagebox.h> +#include <qfiledialog.h> +#include <qprogressdialog.h> +#include <qapplication.h> + +#include "connectdialog.h" +#include "ftpviewitem.h" + +void FtpMainWindow::init() +{ + stateFtp = new QLabel( tr("Unconnected"), statusBar() ); + statusBar()->addWidget( stateFtp, 0, TRUE ); + + ftp = new QFtp( this ); + connect( ftp, SIGNAL(commandStarted(int)), + SLOT(ftp_commandStarted()) ); + connect( ftp, SIGNAL(commandFinished(int,bool)), + SLOT(ftp_commandFinished()) ); + connect( ftp, SIGNAL(done(bool)), + SLOT(ftp_done(bool)) ); + connect( ftp, SIGNAL(stateChanged(int)), + SLOT(ftp_stateChanged(int)) ); + connect( ftp, SIGNAL(listInfo(const QUrlInfo &)), + SLOT(ftp_listInfo(const QUrlInfo &)) ); + connect( ftp, SIGNAL(rawCommandReply(int, const QString &)), + SLOT(ftp_rawCommandReply(int, const QString &)) ); +} + +void FtpMainWindow::destroy() +{ + if ( ftp->state() != QFtp::Unconnected ) + ftp->close(); +} + +void FtpMainWindow::uploadFile() +{ + QString fileName = QFileDialog::getOpenFileName( + QString::null, + QString::null, + this, + "upload file dialog", + tr("Choose a file to upload") ); + if ( fileName.isNull() ) + return; + + QFile *file = new QFile( fileName ); + if ( !file->open( IO_ReadOnly ) ) { + QMessageBox::critical( this, tr("Upload error"), + tr("Can't open file '%1' for reading.").arg(fileName) ); + delete file; + return; + } + + QProgressDialog progress( + tr("Uploading file..."), + tr("Cancel"), + 0, + this, + "upload progress dialog", + TRUE ); + connect( ftp, SIGNAL(dataTransferProgress(int,int)), + &progress, SLOT(setProgress(int,int)) ); + connect( ftp, SIGNAL(commandFinished(int,bool)), + &progress, SLOT(reset()) ); + connect( &progress, SIGNAL(cancelled()), + ftp, SLOT(abort()) ); + + QFileInfo fi( fileName ); + ftp->put( file, fi.fileName() ); + progress.exec(); // ### takes a lot of time!!! + + ftp->list(); +} + +void FtpMainWindow::downloadFile() +{ + FtpViewItem *item = (FtpViewItem*)remoteView->selectedItem(); + if ( !item || item->isDir() ) + return; + + QString fileName = QFileDialog::getSaveFileName( + item->text(0), + QString::null, + this, + "download file dialog", + tr("Save downloaded file as") ); + if ( fileName.isNull() ) + return; + + // create file on the heap because it has to be valid throughout the whole + // asynchronous download operation + QFile *file = new QFile( fileName ); + if ( !file->open( IO_WriteOnly ) ) { + QMessageBox::critical( this, tr("Download error"), + tr("Can't open file '%1' for writing.").arg(fileName) ); + delete file; + return; + } + + QProgressDialog progress( + tr("Downloading file..."), + tr("Cancel"), + 0, + this, + "download progress dialog", + TRUE ); + connect( ftp, SIGNAL(dataTransferProgress(int,int)), + &progress, SLOT(setProgress(int,int)) ); + connect( ftp, SIGNAL(commandFinished(int,bool)), + &progress, SLOT(reset()) ); + connect( &progress, SIGNAL(cancelled()), + ftp, SLOT(abort()) ); + + ftp->get( item->text(0), file ); + progress.exec(); // ### takes a lot of time!!! +} + +void FtpMainWindow::removeFile() +{ + FtpViewItem *item = (FtpViewItem*)remoteView->selectedItem(); + if ( !item || item->isDir() ) + return; + + ftp->remove( item->text(0) ); + ftp->list(); +} + +void FtpMainWindow::connectToHost() +{ + ConnectDialog connectDialog; + if ( connectDialog.exec() == QDialog::Rejected ) + return; + + remotePath->clear(); + remoteView->clear(); + + if ( ftp->state() != QFtp::Unconnected ) + ftp->close(); + + ftp->connectToHost( connectDialog.host->text(), connectDialog.port->value() ); + ftp->login( connectDialog.username->text(), connectDialog.password->text() ); + ftp->rawCommand( "PWD" ); + ftp->list(); +} + +// This slot is connected to the QComboBox::activated() signal of the +// remotePath. +void FtpMainWindow::changePath( const QString &newPath ) +{ + ftp->cd( newPath ); + ftp->rawCommand( "PWD" ); + ftp->list(); +} + +// This slot is connected to the QListView::doubleClicked() and +// QListView::returnPressed() signals of the remoteView. +void FtpMainWindow::changePathOrDownload( QListViewItem *item ) +{ + if ( ((FtpViewItem*)item)->isDir() ) + changePath( item->text(0) ); + else + downloadFile(); +} + +/**************************************************************************** +** +** Slots connected to signals of the QFtp class +** +*****************************************************************************/ + +void FtpMainWindow::ftp_commandStarted() +{ + QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) ); + if ( ftp->currentCommand() == QFtp::List ) { + remoteView->clear(); + if ( currentFtpDir != "/" ) + new FtpViewItem( remoteView, FtpViewItem::Directory, "..", "", "" ); + } +} + +void FtpMainWindow::ftp_commandFinished() +{ + QApplication::restoreOverrideCursor(); + delete ftp->currentDevice(); +} + +void FtpMainWindow::ftp_done( bool error ) +{ + if ( error ) { + QMessageBox::critical( this, tr("FTP Error"), ftp->errorString() ); + + // If we are connected, but not logged in, it is not meaningful to stay + // connected to the server since the error is a really fatal one (login + // failed). + if ( ftp->state() == QFtp::Connected ) + ftp->close(); + } +} + +void FtpMainWindow::ftp_stateChanged( int state ) +{ + switch ( (QFtp::State)state ) { + case QFtp::Unconnected: + stateFtp->setText( tr("Unconnected") ); + break; + case QFtp::HostLookup: + stateFtp->setText( tr("Host lookup") ); + break; + case QFtp::Connecting: + stateFtp->setText( tr("Connecting") ); + break; + case QFtp::Connected: + stateFtp->setText( tr("Connected") ); + break; + case QFtp::LoggedIn: + stateFtp->setText( tr("Logged in") ); + break; + case QFtp::Closing: + stateFtp->setText( tr("Closing") ); + break; + } +} + +void FtpMainWindow::ftp_listInfo( const QUrlInfo &i ) +{ + FtpViewItem::Type type; + if ( i.isDir() ) + type = FtpViewItem::Directory; + else + type = FtpViewItem::File; + + new FtpViewItem( remoteView, type, + i.name(), QString::number(i.size()), i.lastModified().toString() ); +} + +void FtpMainWindow::ftp_rawCommandReply( int code, const QString &text ) +{ + if ( code == 257 ) { + currentFtpDir = text.section( '"', 1, 1 ); + + for ( int i = 0; i<remotePath->count(); i++ ) { + // make sure that we don't insert duplicates + if ( remotePath->text( i ) == currentFtpDir ) + remotePath->removeItem( i ); + } + remotePath->insertItem( currentFtpDir, 0 ); + remotePath->setCurrentItem( 0 ); + } +} diff --git a/examples/network/ftpclient/ftpviewitem.cpp b/examples/network/ftpclient/ftpviewitem.cpp new file mode 100644 index 0000000..bb5d689 --- /dev/null +++ b/examples/network/ftpclient/ftpviewitem.cpp @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qpixmap.h> + +#include "ftpviewitem.h" + + +FtpViewItem::FtpViewItem( QListView *parent, Type t, const QString &name, const QString &size, const QString &lastModified ) + : QListViewItem(parent,name,size,lastModified), type(t) +{ + // the pixmaps for folders and files are in an image collection + if ( type == Directory ) + setPixmap( 0, QPixmap::fromMimeSource( "folder.png" ) ); + else + setPixmap( 0, QPixmap::fromMimeSource( "file.png" ) ); +} + +int FtpViewItem::compare( QListViewItem * i, int col, bool ascending ) const +{ + // The entry ".." is always the first one. + if ( text(0) == ".." ) { + if ( ascending ) + return -1; + else + return 1; + } + if ( i->text(0) == ".." ) { + if ( ascending ) + return 1; + else + return -1; + } + + // Directories are before files. + if ( type != ((FtpViewItem*)i)->type ) { + if ( type == Directory ) { + if ( ascending ) + return -1; + else + return 1; + } else { + if ( ascending ) + return 1; + else + return -1; + } + } + + // Use default sorting otherwise. + return QListViewItem::compare( i, col, ascending ); +} diff --git a/examples/network/ftpclient/ftpviewitem.h b/examples/network/ftpclient/ftpviewitem.h new file mode 100644 index 0000000..4ea931d --- /dev/null +++ b/examples/network/ftpclient/ftpviewitem.h @@ -0,0 +1,35 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef FTPVIEWITEM_H +#define FTPVIEWITEM_H + +#include <qlistview.h> +#include <qdatetime.h> + +class FtpViewItem : public QListViewItem +{ +public: + enum Type { + Directory, + File + }; + + FtpViewItem( QListView *parent, Type t, const QString &name, const QString &size, const QString &lastModified ); + + int compare( QListViewItem * i, int col, bool ascending ) const; + + bool isDir() + { return type==Directory; } + +private: + Type type; +}; + +#endif diff --git a/examples/network/ftpclient/images/file.png b/examples/network/ftpclient/images/file.png Binary files differnew file mode 100644 index 0000000..f042c91 --- /dev/null +++ b/examples/network/ftpclient/images/file.png diff --git a/examples/network/ftpclient/images/folder.png b/examples/network/ftpclient/images/folder.png Binary files differnew file mode 100644 index 0000000..5fd0a43 --- /dev/null +++ b/examples/network/ftpclient/images/folder.png diff --git a/examples/network/ftpclient/main.cpp b/examples/network/ftpclient/main.cpp new file mode 100644 index 0000000..abd6e89 --- /dev/null +++ b/examples/network/ftpclient/main.cpp @@ -0,0 +1,23 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> +#include "ftpmainwindow.h" + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); + + FtpMainWindow m; + a.setMainWidget( &m ); + m.show(); + a.processEvents(); + m.connectToHost(); + return a.exec(); +} diff --git a/examples/network/httpd/README b/examples/network/httpd/README new file mode 100644 index 0000000..dc7229d --- /dev/null +++ b/examples/network/httpd/README @@ -0,0 +1,7 @@ +This is an example for the QServerSocket class which is included in the +network module. + +It is a simple http daemon. After starting it you can connect to port +8080 with a web browser and an html page is shown. The program does +not really parse the http request; so it is not of much use except for +being a small example for QServerSocket. diff --git a/examples/network/httpd/httpd.cpp b/examples/network/httpd/httpd.cpp new file mode 100644 index 0000000..4c40961 --- /dev/null +++ b/examples/network/httpd/httpd.cpp @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ +#include <stdlib.h> +#include <qsocket.h> +#include <qregexp.h> +#include <qserversocket.h> +#include <qapplication.h> +#include <qmainwindow.h> +#include <qtextstream.h> +#include <qvbox.h> +#include <qlabel.h> +#include <qtextview.h> +#include <qpushbutton.h> + +// HttpDaemon is the the class that implements the simple HTTP server. +class HttpDaemon : public QServerSocket +{ + Q_OBJECT +public: + HttpDaemon( QObject* parent=0 ) : + QServerSocket(8080,1,parent) + { + if ( !ok() ) { + qWarning("Failed to bind to port 8080"); + exit( 1 ); + } + } + + void newConnection( int socket ) + { + // When a new client connects, the server constructs a QSocket and all + // communication with the client is done over this QSocket. QSocket + // works asynchronouslyl, this means that all the communication is done + // in the two slots readClient() and discardClient(). + QSocket* s = new QSocket( this ); + connect( s, SIGNAL(readyRead()), this, SLOT(readClient()) ); + connect( s, SIGNAL(delayedCloseFinished()), this, SLOT(discardClient()) ); + s->setSocket( socket ); + emit newConnect(); + } + +signals: + void newConnect(); + void endConnect(); + void wroteToClient(); + +private slots: + void readClient() + { + // This slot is called when the client sent data to the server. The + // server looks if it was a get request and sends a very simple HTML + // document back. + QSocket* socket = (QSocket*)sender(); + if ( socket->canReadLine() ) { + QStringList tokens = QStringList::split( QRegExp("[ \r\n][ \r\n]*"), socket->readLine() ); + if ( tokens[0] == "GET" ) { + QTextStream os( socket ); + os.setEncoding( QTextStream::UnicodeUTF8 ); + os << "HTTP/1.0 200 Ok\r\n" + "Content-Type: text/html; charset=\"utf-8\"\r\n" + "\r\n" + "<h1>Nothing to see here</h1>\n"; + socket->close(); + emit wroteToClient(); + } + } + } + void discardClient() + { + QSocket* socket = (QSocket*)sender(); + delete socket; + emit endConnect(); + } +}; + + +// HttpInfo provides a simple graphical user interface to the server and shows +// the actions of the server. +class HttpInfo : public QVBox +{ + Q_OBJECT +public: + HttpInfo() + { + HttpDaemon *httpd = new HttpDaemon( this ); + + QString itext = QString( + "This is a small httpd example.\n" + "You can connect with your\n" + "web browser to port %1" + ).arg( httpd->port() ); + QLabel *lb = new QLabel( itext, this ); + lb->setAlignment( AlignHCenter ); + infoText = new QTextView( this ); + QPushButton *quit = new QPushButton( "quit" , this ); + + connect( httpd, SIGNAL(newConnect()), SLOT(newConnect()) ); + connect( httpd, SIGNAL(endConnect()), SLOT(endConnect()) ); + connect( httpd, SIGNAL(wroteToClient()), SLOT(wroteToClient()) ); + connect( quit, SIGNAL(pressed()), qApp, SLOT(quit()) ); + } + + ~HttpInfo() + { + } + +private slots: + void newConnect() + { + infoText->append( "New connection" ); + } + void endConnect() + { + infoText->append( "Connection closed\n\n" ); + } + void wroteToClient() + { + infoText->append( "Wrote to client" ); + } + +private: + QTextView *infoText; +}; + + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + HttpInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} + +#include "httpd.moc" diff --git a/examples/network/httpd/httpd.doc b/examples/network/httpd/httpd.doc new file mode 100644 index 0000000..de1e0be --- /dev/null +++ b/examples/network/httpd/httpd.doc @@ -0,0 +1,20 @@ +/* +*/ + +/*! \page httpd-example.html + + \ingroup network-examples + + \title A simple HTTP daemon + + This example shows how to use the QServerSocket class. It is a very + simple implementation of a HTTP daemon that listens on port 8080 and + sends back a simple HTML page back for every GET request it gets. After + sending the page, it closes the connection. + + <hr> + + Implementation (httpd.cpp): + + \include network/httpd/httpd.cpp +*/ diff --git a/examples/network/httpd/httpd.pro b/examples/network/httpd/httpd.pro new file mode 100644 index 0000000..a364499 --- /dev/null +++ b/examples/network/httpd/httpd.pro @@ -0,0 +1,9 @@ +TEMPLATE = app +TARGET = httpd + +CONFIG += qt warn_on release + +REQUIRES = network large-config + +HEADERS = +SOURCES = httpd.cpp diff --git a/examples/network/infoprotocol/infoclient/client.cpp b/examples/network/infoprotocol/infoclient/client.cpp new file mode 100644 index 0000000..89bcfd2 --- /dev/null +++ b/examples/network/infoprotocol/infoclient/client.cpp @@ -0,0 +1,120 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qapplication.h> +#include <qtextedit.h> +#include <qlineedit.h> +#include <qlabel.h> +#include <qpushbutton.h> +#include <qtextstream.h> +#include <qlistbox.h> + +#include "client.h" + + +ClientInfo::ClientInfo( QWidget *parent, const char *name ) : + ClientInfoBase( parent, name ), socket( 0 ) +{ + edHost->setText( "localhost" ); + edPort->setText( QString::number( (uint)infoPort ) ); + + connect( infoList, SIGNAL(selected(const QString&)), SLOT(selectItem(const QString&)) ); + connect( btnConnect, SIGNAL(clicked()), SLOT(connectToServer()) ); + connect( btnBack, SIGNAL(clicked()), SLOT(stepBack()) ); + connect( btnQuit, SIGNAL(clicked()), qApp, SLOT(quit()) ); +} + + +void ClientInfo::connectToServer() +{ + delete socket; + socket = new QSocket( this ); + connect( socket, SIGNAL(connected()), SLOT(socketConnected()) ); + connect( socket, SIGNAL(connectionClosed()), SLOT(socketConnectionClosed()) ); + connect( socket, SIGNAL(readyRead()), SLOT(socketReadyRead()) ); + connect( socket, SIGNAL(error(int)), SLOT(socketError(int)) ); + + socket->connectToHost( edHost->text(), edPort->text().toInt() ); +} + +void ClientInfo::selectItem( const QString& item ) +{ + // item in listBox selected, use LIST or GET depending of the node type. + if ( item.endsWith( "/" ) ) { + sendToServer( List, infoPath->text() + item ); + infoPath->setText( infoPath->text() + item ); + } else + sendToServer( Get, infoPath->text() + item ); +} + +void ClientInfo::stepBack() +{ + // go back (up) in path hierarchy + int i = infoPath->text().findRev( '/', -2 ); + if ( i > 0 ) + infoPath->setText( infoPath->text().left( i + 1 ) ); + else + infoPath->setText( "/" ); + infoList->clear(); + sendToServer( List, infoPath->text() ); +} + + +void ClientInfo::socketConnected() +{ + sendToServer( List, "/" ); +} + +void ClientInfo::sendToServer( Operation op, const QString& location ) +{ + QString line; + switch (op) { + case List: + infoList->clear(); + line = "LIST " + location; + break; + case Get: + line = "GET " + location; + break; + } + infoText->clear(); + QTextStream os(socket); + os << line << "\r\n"; +} + +void ClientInfo::socketReadyRead() +{ + QTextStream stream( socket ); + QString line; + while ( socket->canReadLine() ) { + line = stream.readLine(); + if ( line.startsWith( "500" ) || line.startsWith( "550" ) ) { + infoText->append( tr( "error: " ) + line.mid( 4 ) ); + } else if ( line.startsWith( "212+" ) ) { + infoList->insertItem( line.mid( 6 ) + QString( ( line[ 4 ] == 'D' ) ? "/" : "" ) ); + } else if ( line.startsWith( "213+" ) ) { + infoText->append( line.mid( 4 ) ); + } + } +} + + +void ClientInfo::socketConnectionClosed() +{ + infoText->clear(); + infoText->append( tr( "error: Connection closed by the server\n" ) ); +} + +void ClientInfo::socketError( int code ) +{ + infoText->clear(); + infoText->append( tr( "error: Error number %1 occurred\n" ).arg( code ) ); +} + diff --git a/examples/network/infoprotocol/infoclient/client.h b/examples/network/infoprotocol/infoclient/client.h new file mode 100644 index 0000000..a3e09af --- /dev/null +++ b/examples/network/infoprotocol/infoclient/client.h @@ -0,0 +1,47 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef CLIENT_H +#define CLIENT_H + +#include "clientbase.h" + +class QSocket; +class QTextEdit; +class QLineEdit; +class QListBox; +class QLabel; + +static const Q_UINT16 infoPort = 42417; + +class ClientInfo : public ClientInfoBase +{ + Q_OBJECT +public: + ClientInfo( QWidget *parent = 0, const char *name = 0 ); + +private: + enum Operation { List, Get }; + +private slots: + void connectToServer(); + void selectItem( const QString& item ); + void stepBack(); + void sendToServer( Operation op, const QString& location ); + void socketConnected(); + void socketReadyRead(); + void socketConnectionClosed(); + void socketError( int code ); + +private: + QSocket *socket; +}; + +#endif // CLIENT_H + diff --git a/examples/network/infoprotocol/infoclient/clientbase.ui b/examples/network/infoprotocol/infoclient/clientbase.ui new file mode 100644 index 0000000..3f73c9a --- /dev/null +++ b/examples/network/infoprotocol/infoclient/clientbase.ui @@ -0,0 +1,276 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>ClientInfoBase</class> +<widget class="QWidget"> + <property name="name"> + <cstring>ClientInfoBase</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>384</width> + <height>488</height> + </rect> + </property> + <property name="caption"> + <string>Info Client</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout15</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnConnect</cstring> + </property> + <property name="text"> + <string>&Connect</string> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel1</cstring> + </property> + <property name="text"> + <string>Host:</string> + </property> + </widget> + <widget class="QLineEdit"> + <property name="name"> + <cstring>edHost</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>7</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>1</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string></string> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2_2</cstring> + </property> + <property name="text"> + <string>Port:</string> + </property> + </widget> + <widget class="QLineEdit"> + <property name="name"> + <cstring>edPort</cstring> + </property> + </widget> + </hbox> + </widget> + <widget class="QSplitter"> + <property name="name"> + <cstring>Splitter4</cstring> + </property> + <property name="orientation"> + <enum>Vertical</enum> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout16</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout14</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnBack</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>1</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Back</string> + </property> + <property name="toolTip" stdset="0"> + <string>go one step back</string> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>infoPath</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>5</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>/</string> + </property> + <property name="toolTip" stdset="0"> + <string>current path</string> + </property> + </widget> + </hbox> + </widget> + <widget class="QListBox"> + <property name="name"> + <cstring>infoList</cstring> + </property> + <property name="toolTip" stdset="0"> + <string>double click to open</string> + </property> + </widget> + </vbox> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout3</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="text"> + <string>Data:</string> + </property> + </widget> + <widget class="QTextEdit"> + <property name="name"> + <cstring>infoText</cstring> + </property> + <property name="readOnly"> + <bool>true</bool> + </property> + </widget> + </vbox> + </widget> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout12</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer10</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnQuit</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Quit</string> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer9</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + </hbox> + </widget> + </vbox> +</widget> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/infoprotocol/infoclient/infoclient.pro b/examples/network/infoprotocol/infoclient/infoclient.pro new file mode 100644 index 0000000..46759dd --- /dev/null +++ b/examples/network/infoprotocol/infoclient/infoclient.pro @@ -0,0 +1,11 @@ +TEMPLATE = app +TARGET = infoclient + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = client.h +SOURCES = main.cpp \ + client.cpp +INTERFACES = clientbase.ui diff --git a/examples/network/infoprotocol/infoclient/main.cpp b/examples/network/infoprotocol/infoclient/main.cpp new file mode 100644 index 0000000..cc4950a --- /dev/null +++ b/examples/network/infoprotocol/infoclient/main.cpp @@ -0,0 +1,21 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> + +#include "client.h" + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + ClientInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} diff --git a/examples/network/infoprotocol/infoserver/infodata.cpp b/examples/network/infoprotocol/infoserver/infodata.cpp new file mode 100644 index 0000000..597f8a3 --- /dev/null +++ b/examples/network/infoprotocol/infoserver/infodata.cpp @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "infodata.h" + + +// we hard code all nodes and data in InfoData class +InfoData::InfoData() : + nodes( 17, TRUE ), data( 17, TRUE ) +{ + nodes.setAutoDelete(TRUE); + data.setAutoDelete(TRUE); + QStringList *item; + + nodes.insert( "/", item = new QStringList( ) ); + (*item) << "D network"; + nodes.insert( "/network/", item = new QStringList() ); + (*item) << "D workstations" << "D printers" << "D fax"; + nodes.insert( "/network/workstations/", item = new QStringList() ); + (*item) << "D nibble" << "D douglas"; + nodes.insert( "/network/workstations/nibble/", item = new QStringList() ); + (*item) << "F os" << "F cpu" << "F memory"; + nodes.insert( "/network/workstations/douglas/", item = new QStringList() ); + (*item) << "F os" << "F cpu" << "F memory"; + nodes.insert( "/network/printers/", item = new QStringList() ); + (*item) << "D overbitt" << "D kroksleiven"; + nodes.insert( "/network/printers/overbitt/", item = new QStringList() ); + (*item) << "D jobs" << "F type"; + nodes.insert( "/network/printers/overbitt/jobs/", item = new QStringList() ); + (*item) << "F job1" << "F job2"; + nodes.insert( "/network/printers/kroksleiven/", item = new QStringList() ); + (*item) << "D jobs" << "F type"; + nodes.insert( "/network/printers/kroksleiven/jobs/", item = new QStringList() ); + nodes.insert( "/network/fax/", item = new QStringList() ); + (*item) << "F last_number"; + + data.insert( "/network/workstations/nibble/os", new QString( "Linux" ) ); + data.insert( "/network/workstations/nibble/cpu", new QString( "AMD Athlon 1000" ) ); + data.insert( "/network/workstations/nibble/memory", new QString( "256 MB" ) ); + data.insert( "/network/workstations/douglas/os", new QString( "Windows 2000" ) ); + data.insert( "/network/workstations/douglas/cpu", new QString( "2 x Intel Pentium III 800" ) ); + data.insert( "/network/workstations/douglas/memory", new QString( "256 MB" ) ); + data.insert( "/network/printers/overbitt/type", new QString( "Lexmark Optra S 1255 PS" ) ); + data.insert( "/network/printers/overbitt/jobs/job1", + new QString( "Qt manual\n" "A4 size\n" "3000 pages" ) ); + data.insert( "/network/printers/overbitt/jobs/job2", + new QString( "Monthly report\n" "Letter size\n" "24 pages\n" "8 copies" ) ); + data.insert( "/network/printers/kroksleiven/type", new QString( "HP C LaserJet 4500-PS" ) ); + data.insert( "/network/fax/last_number", new QString( "22 22 22 22" ) ); +} + +QStringList InfoData::list( QString path, bool *found ) const +{ + if ( !path.endsWith( "/" ) ) + path += "/"; + if ( !path.startsWith( "/" ) ) + path = "/" + path; + QStringList *list = nodes[ path ]; + if ( list ) { + *found = TRUE; + return *list; + } else { + *found = FALSE; + QStringList empty; + return empty; + } +} + +QString InfoData::get( QString path, bool *found ) const +{ + if ( !path.startsWith( "/" ) ) + path = "/" + path; + QString *file = data[ path ]; + if ( file ) { + *found = TRUE; + return *file; + } else { + *found = FALSE; + QString empty; + return empty; + } +} diff --git a/examples/network/infoprotocol/infoserver/infodata.h b/examples/network/infoprotocol/infoserver/infodata.h new file mode 100644 index 0000000..0189332 --- /dev/null +++ b/examples/network/infoprotocol/infoserver/infodata.h @@ -0,0 +1,31 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef INFODATA_H +#define INFODATA_H + +#include <qdict.h> +#include <qstringlist.h> + + +// The InfoData class manages data, organized in tree structure. +class InfoData +{ +public: + InfoData(); + QStringList list( QString path, bool *found ) const; + QString get( QString path, bool *found ) const; + +private: + QDict< QStringList > nodes; + QDict< QString > data; +}; + +#endif // INFODATA_H + diff --git a/examples/network/infoprotocol/infoserver/infoserver.pro b/examples/network/infoprotocol/infoserver/infoserver.pro new file mode 100644 index 0000000..3d79aef --- /dev/null +++ b/examples/network/infoprotocol/infoserver/infoserver.pro @@ -0,0 +1,13 @@ +TEMPLATE = app +TARGET = infoserver + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = server.h \ + infodata.h +SOURCES = main.cpp \ + server.cpp \ + infodata.cpp +INTERFACES = serverbase.ui diff --git a/examples/network/infoprotocol/infoserver/main.cpp b/examples/network/infoprotocol/infoserver/main.cpp new file mode 100644 index 0000000..fd0e8e3 --- /dev/null +++ b/examples/network/infoprotocol/infoserver/main.cpp @@ -0,0 +1,22 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> + +#include "server.h" + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + Q_UINT16 port = ( argc > 1 ) ? QString( argv[ 1 ] ).toInt() : infoPort; + ServerInfo info( port, 0, "server info" ); + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} diff --git a/examples/network/infoprotocol/infoserver/server.cpp b/examples/network/infoprotocol/infoserver/server.cpp new file mode 100644 index 0000000..f3815ae --- /dev/null +++ b/examples/network/infoprotocol/infoserver/server.cpp @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qtextview.h> +#include <qpushbutton.h> +#include <qtextstream.h> +#include <qapplication.h> +#include <qmessagebox.h> +#include <stdlib.h> + +#include "server.h" + + + +ServerInfo::ServerInfo( Q_UINT16 port, QWidget *parent, const char *name ) : + ServerInfoBase( parent, name ) +{ + SimpleServer *server = new SimpleServer( port, this, "simple server" ); + connect( server, SIGNAL(newConnect()), SLOT(newConnect()) ); + connect( btnQuit, SIGNAL(clicked()), qApp, SLOT(quit()) ); +} + +void ServerInfo::newConnect() +{ + infoText->append( tr( "New connection\n" ) ); +} + + +SimpleServer::SimpleServer( Q_UINT16 port, QObject* parent, const char *name ) : + QServerSocket( port, 1, parent, name ) +{ + if ( !ok() ) { + QMessageBox::critical( 0, tr( "Error" ), tr( "Failed to bind to port %1" ).arg( port ) ); + exit(1); + } +} + +void SimpleServer::newConnection( int socket ) +{ + (void)new ClientSocket( socket, &info, this, "client socket" ); + emit newConnect(); +} + + +ClientSocket::ClientSocket( int sock, InfoData *i, QObject *parent, const char *name ) : + QSocket( parent, name ), info( i ) +{ + connect( this, SIGNAL(readyRead()), SLOT(readClient()) ); + connect( this, SIGNAL(connectionClosed()), SLOT(connectionClosed()) ); + setSocket( sock ); +} + +void ClientSocket::readClient() +{ + QTextStream stream( this ); + QStringList answer; + while ( canReadLine() ) { + stream << processCommand( stream.readLine() ); + } +} + +QString ClientSocket::processCommand( const QString& command ) +{ + QString answer; + QString com = command.simplifyWhiteSpace (); + if ( com.startsWith( "LIST" ) ) { + bool ok; + QStringList nodes = info->list( com.mid( 5 ), &ok ); + if ( ok ) { + for ( QStringList::Iterator it = nodes.begin(); it != nodes.end(); ++it ) + answer += "212+" + *it + "\r\n"; + answer += "212 \r\n"; + } else + answer += "550 Invalid path\r\n"; + } else if ( com.startsWith( "GET " ) ) { + bool ok; + QStringList data = QStringList::split( '\n', info->get( com.mid( 4 ), &ok ), TRUE ); + if ( ok ) { + for ( QStringList::Iterator it = data.begin(); it != data.end(); ++it ) + answer += "213+" + *it + "\r\n"; + answer += "213 \r\n"; + } else + answer += "550 Info not found\r\n"; + } else + answer += "500 Syntax error\r\n"; + + return answer; +} + +void ClientSocket::connectionClosed() +{ + delete this; +} diff --git a/examples/network/infoprotocol/infoserver/server.h b/examples/network/infoprotocol/infoserver/server.h new file mode 100644 index 0000000..fa07b93 --- /dev/null +++ b/examples/network/infoprotocol/infoserver/server.h @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef SERVER_H +#define SERVER_H + +#include <qsocket.h> +#include <qserversocket.h> + +#include "infodata.h" +#include "serverbase.h" + +static const Q_UINT16 infoPort = 42417; + + +/* + The ServerInfo class provides a small GUI for the server. It also creates the + SimpleServer and as a result the server. +*/ +class ServerInfo : public ServerInfoBase +{ + Q_OBJECT +public: + ServerInfo( Q_UINT16 port = infoPort, QWidget *parent = 0, const char *name = 0 ); + +private slots: + void newConnect(); +}; + + +class SimpleServer : public QServerSocket +{ + Q_OBJECT +public: + SimpleServer( Q_UINT16 port = infoPort, QObject* parent = 0, const char *name = 0 ); + void newConnection( int socket ); + +signals: + void newConnect(); + +private: + InfoData info; +}; + + +class ClientSocket : public QSocket +{ + Q_OBJECT +public: + ClientSocket( int sock, InfoData *i, QObject *parent = 0, const char *name = 0 ); + +private slots: + void readClient(); + void connectionClosed(); + +private: + QString processCommand( const QString& command ); + InfoData *info; +}; + + +#endif //SERVER_H + diff --git a/examples/network/infoprotocol/infoserver/serverbase.ui b/examples/network/infoprotocol/infoserver/serverbase.ui new file mode 100644 index 0000000..12998da --- /dev/null +++ b/examples/network/infoprotocol/infoserver/serverbase.ui @@ -0,0 +1,117 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>ServerInfoBase</class> +<widget class="QWidget"> + <property name="name"> + <cstring>ServerInfoBase</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>272</width> + <height>282</height> + </rect> + </property> + <property name="caption"> + <string>Info Server</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel1</cstring> + </property> + <property name="text"> + <string>This is a small Information Server. +Accepting client requests...</string> + </property> + <property name="alignment"> + <set>AlignCenter</set> + </property> + </widget> + <widget class="QTextEdit"> + <property name="name"> + <cstring>infoText</cstring> + </property> + <property name="readOnly"> + <bool>true</bool> + </property> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout1</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer2</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnQuit</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Quit</string> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer1</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + </hbox> + </widget> + </vbox> +</widget> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/infoprotocol/infourlclient/client.cpp b/examples/network/infoprotocol/infourlclient/client.cpp new file mode 100644 index 0000000..712090f --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/client.cpp @@ -0,0 +1,60 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> +#include <qtextedit.h> +#include <qpushbutton.h> +#include <qfiledialog.h> + +#include "qip.h" +#include "client.h" + + + + +ClientInfo::ClientInfo( QWidget *parent, const char *name ) : + ClientInfoBase( parent, name ) +{ + connect( btnOpen, SIGNAL(clicked()), SLOT(downloadFile()) ); + connect( btnQuit, SIGNAL(clicked()), qApp, SLOT(quit()) ); + connect( &op, SIGNAL( data( const QByteArray &, QNetworkOperation * ) ), + this, SLOT( newData( const QByteArray & ) ) ); +} + +void ClientInfo::downloadFile() +{ + // under Windows you must not use the native file dialog + QString file = getOpenFileName(); + if ( !file.isEmpty() ) { + infoText->clear(); + // download the data + op = file; + op.get(); + } +} + +QString ClientInfo::getOpenFileName() +{ + static QString workingDirectory( "qip://localhost/" ); + + QFileDialog dlg( workingDirectory, QString::null, 0, 0, TRUE ); + dlg.setCaption( QFileDialog::tr( "Open" ) ); + dlg.setMode( QFileDialog::ExistingFile ); + QString result; + if ( dlg.exec() == QDialog::Accepted ) { + result = dlg.selectedFile(); + workingDirectory = dlg.url(); + } + return result; +} + +void ClientInfo::newData( const QByteArray &ba ) +{ + infoText->append( QString::fromUtf8( ba ) ); +} diff --git a/examples/network/infoprotocol/infourlclient/client.h b/examples/network/infoprotocol/infourlclient/client.h new file mode 100644 index 0000000..ca8340b --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/client.h @@ -0,0 +1,35 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef CLIENT_H +#define CLIENT_H + +#include <qurloperator.h> + +#include "clientbase.h" + + +class ClientInfo : public ClientInfoBase +{ + Q_OBJECT + +public: + ClientInfo( QWidget *parent = 0, const char *name = 0 ); + +private slots: + void downloadFile(); + void newData( const QByteArray &ba ); + +private: + QUrlOperator op; + QString getOpenFileName(); +}; + +#endif // CLIENT_H + diff --git a/examples/network/infoprotocol/infourlclient/clientbase.ui b/examples/network/infoprotocol/infourlclient/clientbase.ui new file mode 100644 index 0000000..e18b9a3 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/clientbase.ui @@ -0,0 +1,118 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>ClientInfoBase</class> +<widget class="QWidget"> + <property name="name"> + <cstring>ClientInfoBase</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>325</width> + <height>279</height> + </rect> + </property> + <property name="caption"> + <string>Info Client Protocol</string> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout5</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnOpen</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Open</string> + </property> + <property name="default"> + <bool>true</bool> + </property> + <property name="toolTip" stdset="0"> + <string>open data</string> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer4</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>btnQuit</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>3</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text"> + <string>&Quit</string> + </property> + </widget> + </hbox> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="text"> + <string>Data:</string> + </property> + </widget> + <widget class="QTextEdit"> + <property name="name"> + <cstring>infoText</cstring> + </property> + <property name="readOnly"> + <bool>true</bool> + </property> + </widget> + </vbox> +</widget> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/infoprotocol/infourlclient/infourlclient.pro b/examples/network/infoprotocol/infourlclient/infourlclient.pro new file mode 100644 index 0000000..219083d --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/infourlclient.pro @@ -0,0 +1,13 @@ +TEMPLATE = app +TARGET = infourlclient + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = client.h \ + qip.h +SOURCES = main.cpp \ + client.cpp \ + qip.cpp +INTERFACES = clientbase.ui diff --git a/examples/network/infoprotocol/infourlclient/main.cpp b/examples/network/infoprotocol/infourlclient/main.cpp new file mode 100644 index 0000000..677f8a1 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/main.cpp @@ -0,0 +1,23 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> + +#include "qip.h" +#include "client.h" + +int main( int argc, char** argv ) +{ + QApplication app( argc, argv ); + QNetworkProtocol::registerNetworkProtocol( "qip", new QNetworkProtocolFactory< Qip > ); + ClientInfo info; + app.setMainWidget( &info ); + info.show(); + return app.exec(); +} diff --git a/examples/network/infoprotocol/infourlclient/qip.cpp b/examples/network/infoprotocol/infourlclient/qip.cpp new file mode 100644 index 0000000..ef71ea3 --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/qip.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qsocket.h> +#include <qurlinfo.h> +#include <qurloperator.h> +#include <qtextstream.h> + +#include "qip.h" + + +Qip::Qip() +{ + state = Start; + socket = new QSocket( this ); + connect( socket, SIGNAL(connected()), SLOT(socketConnected()) ); + connect( socket, SIGNAL(connectionClosed()), SLOT(socketConnectionClosed()) ); + connect( socket, SIGNAL(readyRead()), SLOT(socketReadyRead()) ); + connect( socket, SIGNAL(error(int)), SLOT(socketError(int)) ); +} + +int Qip::supportedOperations() const +{ + return OpListChildren | OpGet; +} + +bool Qip::checkConnection( QNetworkOperation * ) +{ + if ( socket->isOpen() ) + return TRUE; + + // don't call connectToHost() if we are already trying to connect + if ( socket->state() == QSocket::Connecting ) + return FALSE; + + socket->connectToHost( url()->host(), url()->port() != -1 ? url()->port() : infoPort ); + return FALSE; +} + +void Qip::operationListChildren( QNetworkOperation * ) +{ + QTextStream os(socket); + os << "LIST " + url()->path() + "\r\n"; + operationInProgress()->setState( StInProgress ); +} + +void Qip::operationGet( QNetworkOperation * ) +{ + QTextStream os(socket); + os << "GET " + url()->path() + "\r\n"; + operationInProgress()->setState( StInProgress ); +} + +void Qip::socketConnected() +{ + if ( url() ) + emit connectionStateChanged( ConConnected, tr( "Connected to host %1" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConConnected, tr ("Connected to host" ) ); +} + +void Qip::socketConnectionClosed() +{ + if ( url() ) + emit connectionStateChanged( ConClosed, tr( "Connection to %1 closed" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConClosed, tr ("Connection closed" ) ); +} + +void Qip::socketError( int code ) +{ + if ( code == QSocket::ErrHostNotFound || + code == QSocket::ErrConnectionRefused ) { + error( ErrHostNotFound, tr( "Host not found or couldn't connect to: %1\n" ).arg( url()->host() ) ); + } else + error( ErrUnsupported, tr( "Error" ) ); +} + +void Qip::socketReadyRead() +{ + // read from the server + QTextStream stream( socket ); + QString line; + while ( socket->canReadLine() ) { + line = stream.readLine(); + if ( line.startsWith( "500" ) ) { + error( ErrValid, line.mid( 4 ) ); + } else if ( line.startsWith( "550" ) ) { + error( ErrFileNotExisting, line.mid( 4 ) ); + } else if ( line.startsWith( "212+" ) ) { + if ( state != List ) { + state = List; + emit start( operationInProgress() ); + } + QUrlInfo inf; + inf.setName( line.mid( 6 ) + QString( ( line[ 4 ] == 'D' ) ? "/" : "" ) ); + inf.setDir( line[ 4 ] == 'D' ); + inf.setSymLink( FALSE ); + inf.setFile( line[ 4 ] == 'F' ); + inf.setWritable( FALSE ); + inf.setReadable( TRUE ); + emit newChild( inf, operationInProgress() ); + } else if ( line.startsWith( "213+" ) ) { + state = Data; + emit data( line.mid( 4 ).utf8(), operationInProgress() ); + } + if( line[3] == ' ' && state != Start) { + state = Start; + operationInProgress()->setState( StDone ); + emit finished( operationInProgress() ); + } + } +} + +void Qip::error( int code, const QString& msg ) +{ + if ( operationInProgress() ) { + operationInProgress()->setState( StFailed ); + operationInProgress()->setErrorCode( code ); + operationInProgress()->setProtocolDetail( msg ); + clearOperationQueue(); + emit finished( operationInProgress() ); + } + state = Start; +} + diff --git a/examples/network/infoprotocol/infourlclient/qip.h b/examples/network/infoprotocol/infourlclient/qip.h new file mode 100644 index 0000000..339e46b --- /dev/null +++ b/examples/network/infoprotocol/infourlclient/qip.h @@ -0,0 +1,48 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef QIP_H +#define QIP_H + +#include <qnetworkprotocol.h> + +class QSocket; + +static const Q_UINT16 infoPort = 42417; + + +class Qip : public QNetworkProtocol +{ + Q_OBJECT + +public: + Qip(); + virtual int supportedOperations() const; + +protected: + virtual void operationListChildren( QNetworkOperation *op ); + virtual void operationGet( QNetworkOperation *op ); + virtual bool checkConnection( QNetworkOperation *op ); + +private slots: + void socketConnected(); + void socketReadyRead(); + void socketConnectionClosed(); + void socketError( int code ); + +private: + QSocket *socket; + enum State { Start, List, Data } state; + void error( int code, const QString& msg ); +}; + + + +#endif // QIP_H + diff --git a/examples/network/mail/composer.cpp b/examples/network/mail/composer.cpp new file mode 100644 index 0000000..4c2bb36 --- /dev/null +++ b/examples/network/mail/composer.cpp @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "composer.h" +#include "smtp.h" + +#include <qlineedit.h> +#include <qmultilineedit.h> +#include <qpushbutton.h> +#include <qlabel.h> +#include <qlayout.h> + +Composer::Composer( QWidget *parent ) + : QWidget( parent ) +{ + QGridLayout * layout = new QGridLayout( this, 1, 1, 6 ); + + layout->addWidget( new QLabel( tr( "From:" ), this ), 0, 0 ); + from = new QLineEdit( this ); + layout->addWidget( from, 0, 1 ); + + layout->addWidget( new QLabel( tr( "To:" ), this ), 1, 0 ); + to = new QLineEdit( this ); + layout->addWidget( to, 1, 1 ); + + layout->addWidget( new QLabel( tr( "Subject:" ), this ), 2, 0 ); + subject = new QLineEdit( this ); + layout->addWidget( subject, 2, 1 ); + + message = new QMultiLineEdit( this ); + layout->addMultiCellWidget( message, 3, 3, 0, 1 ); + + send = new QPushButton( tr( "&Send" ), this ); + layout->addWidget( send, 4, 0 ); + connect( send, SIGNAL( clicked() ), this, SLOT( sendMessage() ) ); + + sendStatus = new QLabel( this ); + layout->addWidget( sendStatus, 4, 1 ); +} + + +void Composer::sendMessage() +{ + send->setEnabled( FALSE ); + sendStatus->setText( tr( "Looking up mail servers" ) ); + Smtp *smtp = new Smtp( from->text(), to->text(), + subject->text(), + message->text() ); + connect( smtp, SIGNAL(destroyed()), + this, SLOT(enableSend()) ); + connect( smtp, SIGNAL(status(const QString &)), + sendStatus, SLOT(setText(const QString &)) ); +} + + +void Composer::enableSend() +{ + send->setEnabled( TRUE ); +} diff --git a/examples/network/mail/composer.h b/examples/network/mail/composer.h new file mode 100644 index 0000000..fa457ce --- /dev/null +++ b/examples/network/mail/composer.h @@ -0,0 +1,41 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef COMPOSER_H +#define COMPOSER_H + +#include <qwidget.h> + + +class QLineEdit; +class QMultiLineEdit; +class QLabel; +class QPushButton; + + +class Composer : public QWidget +{ + Q_OBJECT + +public: + Composer( QWidget *parent = 0 ); + +private slots: + void sendMessage(); + void enableSend(); + +private: + QLineEdit *from, *to, *subject; + QMultiLineEdit *message; + QLabel * sendStatus; + QPushButton * send; +}; + + +#endif diff --git a/examples/network/mail/mail.doc b/examples/network/mail/mail.doc new file mode 100644 index 0000000..009f155 --- /dev/null +++ b/examples/network/mail/mail.doc @@ -0,0 +1,25 @@ +/* +*/ + +/*! \page mail-example.html + + \ingroup network-examples + + \title A simple mail client + + This example shows how to use the QSocket class. The client can only be + used to send mails. The interesting part is the implementation of the + SMTP protocol. + + <hr> + + Header file (smtp.h): + + \include network/mail/smtp.h + + <hr> + + Implementation (smtp.cpp): + + \include network/mail/smtp.cpp +*/ diff --git a/examples/network/mail/mail.pro b/examples/network/mail/mail.pro new file mode 100644 index 0000000..39c9de5 --- /dev/null +++ b/examples/network/mail/mail.pro @@ -0,0 +1,12 @@ +TEMPLATE = app +TARGET = mail + +CONFIG += qt warn_on release + +REQUIRES = network full-config + +HEADERS = composer.h \ + smtp.h +SOURCES = composer.cpp \ + main.cpp \ + smtp.cpp diff --git a/examples/network/mail/main.cpp b/examples/network/mail/main.cpp new file mode 100644 index 0000000..ac60756 --- /dev/null +++ b/examples/network/mail/main.cpp @@ -0,0 +1,23 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> + +#include "composer.h" + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); + + Composer c; + a.setMainWidget( &c ); + c.resize( 400, 500 ); + c.show(); + return a.exec(); +} diff --git a/examples/network/mail/smtp.cpp b/examples/network/mail/smtp.cpp new file mode 100644 index 0000000..f801070 --- /dev/null +++ b/examples/network/mail/smtp.cpp @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "smtp.h" + +#include <qtextstream.h> +#include <qsocket.h> +#include <qdns.h> +#include <qtimer.h> +#include <qapplication.h> +#include <qmessagebox.h> +#include <qregexp.h> + + +Smtp::Smtp( const QString &from, const QString &to, + const QString &subject, + const QString &body ) +{ + socket = new QSocket( this ); + connect ( socket, SIGNAL( readyRead() ), + this, SLOT( readyRead() ) ); + connect ( socket, SIGNAL( connected() ), + this, SLOT( connected() ) ); + + mxLookup = new QDns( to.mid( to.find( '@' )+1 ), QDns::Mx ); + connect( mxLookup, SIGNAL(resultsReady()), + this, SLOT(dnsLookupHelper()) ); + + message = QString::fromLatin1( "From: " ) + from + + QString::fromLatin1( "\nTo: " ) + to + + QString::fromLatin1( "\nSubject: " ) + subject + + QString::fromLatin1( "\n\n" ) + body + "\n"; + message.replace( QString::fromLatin1( "\n" ), + QString::fromLatin1( "\r\n" ) ); + message.replace( QString::fromLatin1( "\r\n.\r\n" ), + QString::fromLatin1( "\r\n..\r\n" ) ); + + this->from = from; + rcpt = to; + + state = Init; +} + + +Smtp::~Smtp() +{ + delete t; + delete socket; +} + + +void Smtp::dnsLookupHelper() +{ + QValueList<QDns::MailServer> s = mxLookup->mailServers(); + if ( s.isEmpty() ) { + if ( !mxLookup->isWorking() ) + emit status( tr( "Error in MX record lookup" ) ); + return; + } + + emit status( tr( "Connecting to %1" ).arg( s.first().name ) ); + + socket->connectToHost( s.first().name, 25 ); + t = new QTextStream( socket ); +} + + +void Smtp::connected() +{ + emit status( tr( "Connected to %1" ).arg( socket->peerName() ) ); +} + +void Smtp::readyRead() +{ + // SMTP is line-oriented + if ( !socket->canReadLine() ) + return; + + QString responseLine; + do { + responseLine = socket->readLine(); + response += responseLine; + } while( socket->canReadLine() && responseLine[3] != ' ' ); + responseLine.truncate( 3 ); + + if ( state == Init && responseLine[0] == '2' ) { + // banner was okay, let's go on + *t << "HELO there\r\n"; + state = Mail; + } else if ( state == Mail && responseLine[0] == '2' ) { + // HELO response was okay (well, it has to be) + *t << "MAIL FROM: <" << from << ">\r\n"; + state = Rcpt; + } else if ( state == Rcpt && responseLine[0] == '2' ) { + *t << "RCPT TO: <" << rcpt << ">\r\n"; + state = Data; + } else if ( state == Data && responseLine[0] == '2' ) { + *t << "DATA\r\n"; + state = Body; + } else if ( state == Body && responseLine[0] == '3' ) { + *t << message << ".\r\n"; + state = Quit; + } else if ( state == Quit && responseLine[0] == '2' ) { + *t << "QUIT\r\n"; + // here, we just close. + state = Close; + emit status( tr( "Message sent" ) ); + } else if ( state == Close ) { + deleteLater(); + return; + } else { + // something broke. + QMessageBox::warning( qApp->activeWindow(), + tr( "Qt Mail Example" ), + tr( "Unexpected reply from SMTP server:\n\n" ) + + response ); + state = Close; + } + + response = ""; +} diff --git a/examples/network/mail/smtp.h b/examples/network/mail/smtp.h new file mode 100644 index 0000000..0a469a5 --- /dev/null +++ b/examples/network/mail/smtp.h @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef SMTP_H +#define SMTP_H + +#include <qobject.h> +#include <qstring.h> + +class QSocket; +class QTextStream; +class QDns; + +class Smtp : public QObject +{ + Q_OBJECT + +public: + Smtp( const QString &from, const QString &to, + const QString &subject, const QString &body ); + ~Smtp(); + +signals: + void status( const QString & ); + +private slots: + void dnsLookupHelper(); + void readyRead(); + void connected(); + +private: + enum State { + Init, + Mail, + Rcpt, + Data, + Body, + Quit, + Close + }; + + QString message; + QString from; + QString rcpt; + QSocket *socket; + QTextStream * t; + int state; + QString response; + QDns * mxLookup; +}; + +#endif diff --git a/examples/network/networkprotocol/README b/examples/network/networkprotocol/README new file mode 100644 index 0000000..7c1e69d --- /dev/null +++ b/examples/network/networkprotocol/README @@ -0,0 +1,5 @@ +This class shows you how to implement your own network protocols and how to +use them in a program. This example is part of the network module. + +The class Nntp implements the nntp protocol. The implementation of the +protocol is not complete and should not be used in real programs. diff --git a/examples/network/networkprotocol/main.cpp b/examples/network/networkprotocol/main.cpp new file mode 100644 index 0000000..8d636e4 --- /dev/null +++ b/examples/network/networkprotocol/main.cpp @@ -0,0 +1,29 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include <qapplication.h> +#include <qnetwork.h> + +#include "nntp.h" +#include "view.h" + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); + + qInitNetworkProtocols(); + QNetworkProtocol::registerNetworkProtocol( "nntp", new QNetworkProtocolFactory<Nntp> ); + + View v; + v.resize( 600, 600 ); + v.show(); + a.setMainWidget( &v ); + + return a.exec(); +} diff --git a/examples/network/networkprotocol/networkprotocol.doc b/examples/network/networkprotocol/networkprotocol.doc new file mode 100644 index 0000000..ea00797 --- /dev/null +++ b/examples/network/networkprotocol/networkprotocol.doc @@ -0,0 +1,26 @@ +/* +*/ + +/*! \page networkprotocol-example.html + + \ingroup network-examples + + \title A simple NNTP implementation + + This example shows how to implement your own QNetworkProtocol. The + protocol that was chosen for this example is NTTP. Please note that this + implementation is very simple since it is designed to be an example. It + should not be used as a real NNTP implemention. + + <hr> + + Header file (nntp.h): + + \include network/networkprotocol/nntp.h + + <hr> + + Implementation (nntp.cpp): + + \include network/networkprotocol/nntp.cpp +*/ diff --git a/examples/network/networkprotocol/networkprotocol.pro b/examples/network/networkprotocol/networkprotocol.pro new file mode 100644 index 0000000..1c6ea07 --- /dev/null +++ b/examples/network/networkprotocol/networkprotocol.pro @@ -0,0 +1,10 @@ +TEMPLATE = app +TARGET = networkprotocol + +CONFIG += qt warn_on release + +REQUIRES = network full-config + +HEADERS = nntp.h view.h +SOURCES = main.cpp \ + nntp.cpp view.cpp diff --git a/examples/network/networkprotocol/nntp.cpp b/examples/network/networkprotocol/nntp.cpp new file mode 100644 index 0000000..1307b9b --- /dev/null +++ b/examples/network/networkprotocol/nntp.cpp @@ -0,0 +1,256 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "nntp.h" +#include <qurlinfo.h> +#include <stdlib.h> +#include <qurloperator.h> +#include <qstringlist.h> +#include <qregexp.h> + +Nntp::Nntp() + : QNetworkProtocol(), connectionReady( FALSE ), + readGroups( FALSE ), readArticle( FALSE ) +{ + // create the command socket and connect to its signals + commandSocket = new QSocket( this ); + connect( commandSocket, SIGNAL( hostFound() ), + this, SLOT( hostFound() ) ); + connect( commandSocket, SIGNAL( connected() ), + this, SLOT( connected() ) ); + connect( commandSocket, SIGNAL( connectionClosed() ), + this, SLOT( closed() ) ); + connect( commandSocket, SIGNAL( readyRead() ), + this, SLOT( readyRead() ) ); + connect( commandSocket, SIGNAL( error( int ) ), + this, SLOT( error( int ) ) ); +} + +Nntp::~Nntp() +{ + close(); + delete commandSocket; +} + +void Nntp::operationListChildren( QNetworkOperation * ) +{ + // create a command + QString path = url()->path(), cmd; + if ( path.isEmpty() || path == "/" ) { + // if the path is empty or we are in the root dir, + // we want to read the list of available newsgroups + cmd = "list newsgroups\r\n"; + } else if ( url()->isDir() ) { + // if the path is a directory (in our case a news group) + // we want to list the articles of this group + path = path.replace( "/", "" ); + cmd = "listgroup " + path + "\r\n"; + } else + return; + + // write the command to the socket + commandSocket->writeBlock( cmd.latin1(), cmd.length() ); + readGroups = TRUE; +} + +void Nntp::operationGet( QNetworkOperation *op ) +{ + // get the dirPath of the URL (this is our news group) + // and the filename (which is the article we want to read) + QUrl u( op->arg( 0 ) ); + QString dirPath = u.dirPath(), file = u.fileName(); + dirPath = dirPath.replace( "/", "" ); + + // go to the group in which the article is + QString cmd; + cmd = "group " + dirPath + "\r\n"; + commandSocket->writeBlock( cmd.latin1(), cmd.length() ); + + // read the head of the article + cmd = "article " + file + "\r\n"; + commandSocket->writeBlock( cmd.latin1(), cmd.length() ); + readArticle = TRUE; +} + +bool Nntp::checkConnection( QNetworkOperation * ) +{ + // we are connected, return TRUE + if ( commandSocket->isOpen() && connectionReady ) + return TRUE; + + // seems that there is no chance to connect + if ( commandSocket->isOpen() ) + return FALSE; + + // don't call connectToHost() if we are already trying to connect + if ( commandSocket->state() == QSocket::Connecting ) + return FALSE; + + // start connecting + connectionReady = FALSE; + commandSocket->connectToHost( url()->host(), + url()->port() != -1 ? url()->port() : 119 ); + return FALSE; +} + +void Nntp::close() +{ + // close the command socket + if ( commandSocket->isOpen() ) { + commandSocket->writeBlock( "quit\r\n", strlen( "quit\r\n" ) ); + commandSocket->close(); + } +} + +int Nntp::supportedOperations() const +{ + // we only support listing children and getting data + return OpListChildren | OpGet; +} + +void Nntp::hostFound() +{ + if ( url() ) + emit connectionStateChanged( ConHostFound, tr( "Host %1 found" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConHostFound, tr( "Host found" ) ); +} + +void Nntp::connected() +{ + if ( url() ) + emit connectionStateChanged( ConConnected, tr( "Connected to host %1" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConConnected, tr( "Connected to host" ) ); +} + +void Nntp::closed() +{ + if ( url() ) + emit connectionStateChanged( ConClosed, tr( "Connection to %1 closed" ).arg( url()->host() ) ); + else + emit connectionStateChanged( ConClosed, tr( "Connection closed" ) ); +} + +void Nntp::readyRead() +{ + // new data arrived on the command socket + + // of we should read the list of available groups, let's do so + if ( readGroups ) { + parseGroups(); + return; + } + + // of we should read an article, let's do so + if ( readArticle ) { + parseArticle(); + return; + } + + // read the new data from the socket + QCString s; + s.resize( commandSocket->bytesAvailable() + 1 ); + commandSocket->readBlock( s.data(), commandSocket->bytesAvailable() ); + + if ( !url() ) + return; + + // of the code of the server response was 200, we know that the + // server is ready to get commands from us now + if ( s.left( 3 ) == "200" ) + connectionReady = TRUE; +} + +void Nntp::parseGroups() +{ + if ( !commandSocket->canReadLine() ) + return; + + // read one line after the other + while ( commandSocket->canReadLine() ) { + QString s = commandSocket->readLine(); + + // if the line starts with a dot, all groups or articles have been listed, + // so we finished processing the listChildren() command + if ( s[ 0 ] == '.' ) { + readGroups = FALSE; + operationInProgress()->setState( StDone ); + emit finished( operationInProgress() ); + return; + } + + // if the code of the server response is 215 or 211 + // the next line will be the first group or article (depending on what we read). + // So let others know that we start reading now... + if ( s.left( 3 ) == "215" || s.left( 3 ) == "211" ) { + operationInProgress()->setState( StInProgress ); + emit start( operationInProgress() ); + continue; + } + + // parse the line and create a QUrlInfo object + // which describes the child (group or article) + bool tab = s.find( '\t' ) != -1; + QString group = s.mid( 0, s.find( tab ? '\t' : ' ' ) ); + QUrlInfo inf; + inf.setName( group ); + QString path = url()->path(); + inf.setDir( path.isEmpty() || path == "/" ); + inf.setSymLink( FALSE ); + inf.setFile( !inf.isDir() ); + inf.setWritable( FALSE ); + inf.setReadable( TRUE ); + + // let others know about our new child + emit newChild( inf, operationInProgress() ); + } + +} + +void Nntp::parseArticle() +{ + if ( !commandSocket->canReadLine() ) + return; + + // read an article one line after the other + while ( commandSocket->canReadLine() ) { + QString s = commandSocket->readLine(); + + // if the line starts with a dot, we finished reading something + if ( s[ 0 ] == '.' ) { + readArticle = FALSE; + operationInProgress()->setState( StDone ); + emit finished( operationInProgress() ); + return; + } + + if ( s.right( 1 ) == "\n" ) + s.remove( s.length() - 1, 1 ); + + // emit the new data of the article which we read + emit data( QCString( s.ascii() ), operationInProgress() ); + } +} + +void Nntp::error( int code ) +{ + if ( code == QSocket::ErrHostNotFound || + code == QSocket::ErrConnectionRefused ) { + // this signal is called if connecting to the server failed + if ( operationInProgress() ) { + QString msg = tr( "Host not found or couldn't connect to: \n" + url()->host() ); + operationInProgress()->setState( StFailed ); + operationInProgress()->setProtocolDetail( msg ); + operationInProgress()->setErrorCode( (int)ErrHostNotFound ); + clearOperationQueue(); + emit finished( operationInProgress() ); + } + } +} diff --git a/examples/network/networkprotocol/nntp.h b/examples/network/networkprotocol/nntp.h new file mode 100644 index 0000000..82a8142 --- /dev/null +++ b/examples/network/networkprotocol/nntp.h @@ -0,0 +1,49 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef NNTP_H +#define NNTP_H + +#include <qsocket.h> +#include <qnetworkprotocol.h> + +class Nntp : public QNetworkProtocol +{ + Q_OBJECT + +public: + Nntp(); + virtual ~Nntp(); + virtual int supportedOperations() const; + +protected: + virtual void operationListChildren( QNetworkOperation *op ); + virtual void operationGet( QNetworkOperation *op ); + + QSocket *commandSocket; + bool connectionReady; + bool readGroups; + bool readArticle; + +private: + bool checkConnection( QNetworkOperation *op ); + void close(); + void parseGroups(); + void parseArticle(); + +protected slots: + void hostFound(); + void connected(); + void closed(); + void readyRead(); + void error( int ); + +}; + +#endif diff --git a/examples/network/networkprotocol/view.cpp b/examples/network/networkprotocol/view.cpp new file mode 100644 index 0000000..fed5bdf --- /dev/null +++ b/examples/network/networkprotocol/view.cpp @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "view.h" + +#include <qlabel.h> +#include <qpushbutton.h> +#include <qmultilineedit.h> +#include <qfiledialog.h> + +View::View() + : QVBox() +{ + // setup the GUI + setSpacing( 5 ); + setMargin( 5 ); + + QLabel *l = new QLabel( this ); + l->setAlignment( Qt::WordBreak ), + l->setText( tr( "The button below opens the QFileDialog and you " + "can choose a file then which is downloaded and " + "opened below then. You can use for that the <b>local " + "filesystem</b> using the file protocol, you can download " + "files from an <b>FTP</b> server using the ftp protocol and " + "you can download and open <b>USENET</b> articles using the " + "demo implementation of the nntp protocol of this " + "example (<i>This implementation of the nntp protocol is a very " + "basic and incomplete one, so you need to connect to a news server " + "which allows reading without authentification</i>)\n" + "To open a file from the local filesystem, enter in the " + "path combobox of the file dialog a url starting with file " + "(like <u>file:/usr/bin</u>), to download something from an FTP " + "server, use something like <u>ftp://ftp.trolltech.com</u> as url, and " + "for downloading a news article start with an url like " + "<u>nntp://news.tu-graz.ac.at</u> " ) ); + QPushButton *b = new QPushButton( tr( "Open a file..." ), this ); + connect( b, SIGNAL( clicked() ), + this, SLOT( downloadFile() ) ); + + fileView = new QMultiLineEdit( this ); + fileView->setReadOnly( TRUE ); + + // if new data comes in, display it + connect( &op, SIGNAL( data( const QByteArray &, QNetworkOperation * ) ), + this, SLOT( newData( const QByteArray & ) ) ); +} + +void View::downloadFile() +{ + // QString file = QFileDialog::getOpenFileName(); + // under Windows you must not use the native file dialog + QString file = getOpenFileName(); + if ( !file.isEmpty() ) { + // clear the view + fileView->clear(); + + // download the data + op = file; + op.get(); + } +} + +QString View::getOpenFileName() +{ + static QString workingDirectory = QDir::currentDirPath(); + + QFileDialog *dlg = new QFileDialog( workingDirectory, + QString::null, 0, 0, TRUE ); + dlg->setCaption( QFileDialog::tr( "Open" ) ); + dlg->setMode( QFileDialog::ExistingFile ); + QString result; + if ( dlg->exec() == QDialog::Accepted ) { + result = dlg->selectedFile(); + workingDirectory = dlg->url(); + } + delete dlg; + return result; +} + +void View::newData( const QByteArray &ba ) +{ + // append new data + fileView->append( ba ); +} diff --git a/examples/network/networkprotocol/view.h b/examples/network/networkprotocol/view.h new file mode 100644 index 0000000..9baba75 --- /dev/null +++ b/examples/network/networkprotocol/view.h @@ -0,0 +1,37 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef VIEW_H +#define VIEW_H + +#include <qvbox.h> +#include <qcstring.h> +#include <qurloperator.h> + +class QMultiLineEdit; + +class View : public QVBox +{ + Q_OBJECT + +public: + View(); + +private slots: + void downloadFile(); + void newData( const QByteArray &ba ); + +private: + QMultiLineEdit *fileView; + QUrlOperator op; + + QString getOpenFileName(); +}; + +#endif diff --git a/examples/network/remotecontrol/ipcserver.cpp b/examples/network/remotecontrol/ipcserver.cpp new file mode 100644 index 0000000..f83f8a2 --- /dev/null +++ b/examples/network/remotecontrol/ipcserver.cpp @@ -0,0 +1,84 @@ +#include "ipcserver.h" + +#include <qsocket.h> +#include <qvariant.h> +#include <qimage.h> +#include <qpalette.h> +#include <qapplication.h> + +class IpcSocket : public QSocket +{ + Q_OBJECT + +public: + IpcSocket( QObject *parent) : QSocket( parent ) + { + packetSize = 0; + connect( this, SIGNAL(readyRead()), SLOT(read()) ); + } + +signals: + void receivedText( const QString& ); + void receivedPixmap( const QPixmap& ); + +private slots: + void read() + { + Q_ULONG bytesAvail = bytesAvailable(); + for ( ;; ) { + if ( packetSize == 0 ) { + QDataStream ds( this ); + if ( bytesAvail < 4 ) + return; + ds >> packetSize; + bytesAvail -= 4; + } else { + if ( bytesAvail < packetSize ) + return; + // read the packet in a byte array to be sure that you don't + // read too much or too less + QByteArray ba( packetSize ); + readBlock( ba.data(), packetSize ); + bytesAvail -= packetSize; + packetSize = 0; + + QVariant variant; + QDataStream ds( ba, IO_ReadOnly ); + ds >> variant; + switch ( variant.type() ) { + case QVariant::String: + emit receivedText( variant.toString() ); + break; + case QVariant::Image: + emit receivedPixmap( QPixmap(variant.toImage()) ); + break; + case QVariant::Palette: + QApplication::setPalette( variant.toPalette(), TRUE ); + break; + default: + break; + } + } + } + } + +private: + Q_UINT32 packetSize; +}; + +IpcServer::IpcServer( Q_UINT16 port, QObject *parent ) : + QServerSocket( 0x7f000001, port, 1, parent ) +{ +} + +void IpcServer::newConnection( int socket ) +{ + IpcSocket *s = new IpcSocket( this ); + s->setSocket( socket ); + connect( s, SIGNAL(receivedText(const QString&)), + SIGNAL(receivedText(const QString&)) ); + connect( s, SIGNAL(receivedPixmap(const QPixmap&)), + SIGNAL(receivedPixmap(const QPixmap&)) ); +} + +#include "ipcserver.moc" diff --git a/examples/network/remotecontrol/ipcserver.h b/examples/network/remotecontrol/ipcserver.h new file mode 100644 index 0000000..2dc2515 --- /dev/null +++ b/examples/network/remotecontrol/ipcserver.h @@ -0,0 +1,20 @@ +#ifndef IPCSERVER_H +#define IPCSERVER_H + +#include <qserversocket.h> + +class IpcServer : public QServerSocket +{ + Q_OBJECT + +public: + IpcServer( Q_UINT16 port, QObject *parent ); + + void newConnection( int socket ); + +signals: + void receivedText( const QString& ); + void receivedPixmap( const QPixmap& ); +}; + +#endif // IPCSERVER_H diff --git a/examples/network/remotecontrol/main.cpp b/examples/network/remotecontrol/main.cpp new file mode 100644 index 0000000..563fe8c --- /dev/null +++ b/examples/network/remotecontrol/main.cpp @@ -0,0 +1,11 @@ +#include <qapplication.h> + +#include "startup.h" + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); + StartUp s; + QObject::connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) ); + return a.exec(); +} diff --git a/examples/network/remotecontrol/maindialog.ui b/examples/network/remotecontrol/maindialog.ui new file mode 100644 index 0000000..bd1c619 --- /dev/null +++ b/examples/network/remotecontrol/maindialog.ui @@ -0,0 +1,165 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>MainDialog</class> +<widget class="QDialog"> + <property name="name"> + <cstring>MainDialog</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>273</width> + <height>263</height> + </rect> + </property> + <property name="caption"> + <string>Image viewer</string> + </property> + <property name="sizeGripEnabled"> + <bool>true</bool> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLabel"> + <property name="name"> + <cstring>TextLabel2</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>5</hsizetype> + <vsizetype>5</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="frameShape"> + <enum>MShape</enum> + </property> + <property name="text"> + <string>If you start another instance of this application, you can use that instance to control this one.</string> + </property> + <property name="alignment"> + <set>WordBreak|AlignCenter</set> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>image</cstring> + </property> + <property name="pixmap"> + <pixmap>image0</pixmap> + </property> + <property name="scaledContents"> + <bool>false</bool> + </property> + <property name="alignment"> + <set>AlignCenter</set> + </property> + </widget> + <widget class="QLabel"> + <property name="name"> + <cstring>description</cstring> + </property> + <property name="sizePolicy"> + <sizepolicy> + <hsizetype>5</hsizetype> + <vsizetype>0</vsizetype> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="font"> + <font> + <pointsize>26</pointsize> + </font> + </property> + <property name="text"> + <string>The Qt logo</string> + </property> + <property name="alignment"> + <set>AlignCenter</set> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer2_2</cstring> + </property> + <property name="orientation"> + <enum>Vertical</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout2</cstring> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer2</cstring> + </property> + <property name="orientation"> + <enum>Horizontal</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>PushButton1</cstring> + </property> + <property name="text"> + <string>Quit</string> + </property> + </widget> + </hbox> + </widget> + </vbox> +</widget> +<images> + <image name="image0"> + <data format="XPM.GZ" 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+ </image> +</images> +<connections> + <connection> + <sender>PushButton1</sender> + <signal>clicked()</signal> + <receiver>MainDialog</receiver> + <slot>close()</slot> + </connection> +</connections> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/remotecontrol/remotecontrol.pro b/examples/network/remotecontrol/remotecontrol.pro new file mode 100644 index 0000000..0570253 --- /dev/null +++ b/examples/network/remotecontrol/remotecontrol.pro @@ -0,0 +1,16 @@ +TEMPLATE = app +TARGET = remotecontrol + +CONFIG += qt warn_on release + +REQUIRES = network full-config nocrosscompiler + +HEADERS = startup.h \ + remotectrlimpl.h \ + ipcserver.h +SOURCES = main.cpp \ + startup.cpp \ + remotectrlimpl.cpp \ + ipcserver.cpp +INTERFACES = remotectrl.ui \ + maindialog.ui diff --git a/examples/network/remotecontrol/remotectrl.ui b/examples/network/remotecontrol/remotectrl.ui new file mode 100644 index 0000000..a1cecef --- /dev/null +++ b/examples/network/remotecontrol/remotectrl.ui @@ -0,0 +1,145 @@ +<!DOCTYPE UI><UI version="3.0" stdsetdef="1"> +<class>RemoteCtrl</class> +<widget class="QDialog"> + <property name="name"> + <cstring>RemoteCtrl</cstring> + </property> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>279</width> + <height>185</height> + </rect> + </property> + <property name="caption"> + <string>Remote control</string> + </property> + <property name="sizeGripEnabled"> + <bool>true</bool> + </property> + <hbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>11</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout5</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QLineEdit"> + <property name="name"> + <cstring>textToSend</cstring> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer5_2</cstring> + </property> + <property name="orientation"> + <enum>Vertical</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + </vbox> + </widget> + <widget class="QLayoutWidget"> + <property name="name"> + <cstring>Layout6</cstring> + </property> + <vbox> + <property name="name"> + <cstring>unnamed</cstring> + </property> + <property name="margin"> + <number>0</number> + </property> + <property name="spacing"> + <number>6</number> + </property> + <widget class="QPushButton"> + <property name="name"> + <cstring>sText</cstring> + </property> + <property name="text"> + <string>Send &Text</string> + </property> + </widget> + <widget class="QPushButton"> + <property name="name"> + <cstring>sImage</cstring> + </property> + <property name="text"> + <string>Send &Image...</string> + </property> + </widget> + <widget class="QPushButton"> + <property name="name"> + <cstring>sPalette</cstring> + </property> + <property name="text"> + <string>Send &Palette...</string> + </property> + </widget> + <spacer> + <property name="name" stdset="0"> + <cstring>Spacer6</cstring> + </property> + <property name="orientation"> + <enum>Vertical</enum> + </property> + <property name="sizeType"> + <enum>Expanding</enum> + </property> + <property name="sizeHint"> + <size> + <width>20</width> + <height>20</height> + </size> + </property> + </spacer> + <widget class="QPushButton"> + <property name="name"> + <cstring>quitButton</cstring> + </property> + <property name="text"> + <string>&Quit</string> + </property> + </widget> + </vbox> + </widget> + </hbox> +</widget> +<connections> + <connection> + <sender>quitButton</sender> + <signal>clicked()</signal> + <receiver>RemoteCtrl</receiver> + <slot>close()</slot> + </connection> +</connections> +<layoutdefaults spacing="6" margin="11"/> +</UI> diff --git a/examples/network/remotecontrol/remotectrlimpl.cpp b/examples/network/remotecontrol/remotectrlimpl.cpp new file mode 100644 index 0000000..bac7806 --- /dev/null +++ b/examples/network/remotecontrol/remotectrlimpl.cpp @@ -0,0 +1,50 @@ +#include "remotectrlimpl.h" + +#include <qpushbutton.h> +#include <qlineedit.h> +#include <qsocket.h> +#include <qfiledialog.h> +#include <qcolordialog.h> +#include <qimage.h> + +RemoteCtrlImpl::RemoteCtrlImpl( QSocket *s ) +{ + socket = s; + connect( sImage, SIGNAL(clicked()), SLOT(sendImage()) ); + connect( sText, SIGNAL(clicked()), SLOT(sendText()) ); + connect( sPalette, SIGNAL(clicked()), SLOT(sendPalette()) ); +} + +void RemoteCtrlImpl::sendPacket( const QVariant &v ) +{ + QByteArray ba; + QDataStream varDs( ba, IO_WriteOnly ); + varDs << v; + + QDataStream ds( socket ); + ds << (Q_UINT32) ba.size(); + socket->writeBlock( ba.data(), ba.size() ); +} + +void RemoteCtrlImpl::sendImage() +{ + QString imageName = QFileDialog::getOpenFileName( QString::null, + "Images (*.png *.xpm *.jpg)", this ); + QImage image( imageName ); + if ( !image.isNull() ) { + sendPacket( image ); + } +} + +void RemoteCtrlImpl::sendText() +{ + sendPacket( textToSend->text() ); +} + +void RemoteCtrlImpl::sendPalette() +{ + QColor col = QColorDialog::getColor( white, this ); + if ( col.isValid() ) { + sendPacket( QPalette(col,col) ); + } +} diff --git a/examples/network/remotecontrol/remotectrlimpl.h b/examples/network/remotecontrol/remotectrlimpl.h new file mode 100644 index 0000000..382c9df --- /dev/null +++ b/examples/network/remotecontrol/remotectrlimpl.h @@ -0,0 +1,26 @@ +#ifndef REMOTECTRLIMPL_H +#define REMOTECTRLIMPL_H + +#include "remotectrl.h" + +class QSocket; + +class RemoteCtrlImpl : public RemoteCtrl +{ + Q_OBJECT + +public: + RemoteCtrlImpl( QSocket * ); + +private slots: + void sendImage(); + void sendText(); + void sendPalette(); + +private: + void sendPacket( const QVariant & ); + + QSocket *socket; +}; + +#endif // REMOTECTRLIMPL_H diff --git a/examples/network/remotecontrol/startup.cpp b/examples/network/remotecontrol/startup.cpp new file mode 100644 index 0000000..03fa87f --- /dev/null +++ b/examples/network/remotecontrol/startup.cpp @@ -0,0 +1,45 @@ +#include "startup.h" +#include "remotectrlimpl.h" +#include "maindialog.h" +#include "ipcserver.h" + +#include <qsocket.h> +#include <qlabel.h> + +static const Q_UINT16 ipcPort = 54923; + +StartUp::StartUp() +{ + remoteCtrl = 0; + mainDialog = 0; + + socket = new QSocket( this ); + connect( socket, SIGNAL(connected()), SLOT(startRemoteCtrl()) ); + connect( socket, SIGNAL(error(int)), SLOT(startMainDialog()) ); + socket->connectToHost( "localhost", ipcPort ); +} + +StartUp::~StartUp() +{ + delete remoteCtrl; + delete mainDialog; +} + +void StartUp::startRemoteCtrl() +{ + remoteCtrl = new RemoteCtrlImpl( socket ); + remoteCtrl->show(); +} + +void StartUp::startMainDialog() +{ + mainDialog = new MainDialog(); + mainDialog->show(); + + IpcServer *server = new IpcServer( ipcPort, this ); + + connect( server, SIGNAL(receivedText(const QString&)), + mainDialog->description, SLOT(setText(const QString&)) ); + connect( server, SIGNAL(receivedPixmap(const QPixmap&)), + mainDialog->image, SLOT(setPixmap(const QPixmap&)) ); +} diff --git a/examples/network/remotecontrol/startup.h b/examples/network/remotecontrol/startup.h new file mode 100644 index 0000000..900d841 --- /dev/null +++ b/examples/network/remotecontrol/startup.h @@ -0,0 +1,28 @@ +#ifndef STARTUP_H +#define STARTUP_H + +#include <qobject.h> + +class QSocket; +class RemoteCtrlImpl; +class MainDialog; + +class StartUp : public QObject +{ + Q_OBJECT + +public: + StartUp(); + ~StartUp(); + +private slots: + void startRemoteCtrl(); + void startMainDialog(); + +private: + QSocket *socket; + RemoteCtrlImpl *remoteCtrl; + MainDialog *mainDialog; +}; + +#endif // STARTUP_H |
