Chat example

Classes
class	PopupChatWidget
	A popup chat widget. More...
class	ChatApplication
	A chat demo application. More...
class	ChatWidget
	A chat application widget. More...
class	ChatEvent
	Encapsulate a chat event. More...
class	SimpleChatServer
	A simple chat server. More...
class	SimpleChatWidget
	A self-contained chat widget. More...
Functions
WApplication *	createApplication (const WEnvironment &env)
WApplication *	createWidget (const WEnvironment &env)
int	main (int argc, char **argv)
	ChatApplication::ChatApplication (const WEnvironment &env)
	Create a new instance.
void	ChatApplication::addChatWidget ()
	Add another chat client.
	ChatWidget::ChatWidget (const WEnvironment &env)
Variables
SimpleChatServer	theServer
	The single chat server instance.

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Function Documentation

void ChatApplication::addChatWidget

(

)

[private, inherited]

Add another chat client.

Definition at line 62 of file simpleChat.C.

{
  SimpleChatWidget *chatWidget2 = new SimpleChatWidget(theServer, root());
  chatWidget2->setStyleClass("chat");
}

ChatApplication::ChatApplication

(

const WEnvironment &

env )

[inherited]

Create a new instance.

Definition at line 43 of file simpleChat.C.

  : WApplication(env)
{
  setTitle("Wt Chat");
  useStyleSheet("chatapp.css");
  messageResourceBundle().use(Wt::WApplication::appRoot() + "simplechat");

  root()->addWidget(new WText(WString::tr("introduction")));

  SimpleChatWidget *chatWidget = new SimpleChatWidget(theServer, root());
  chatWidget->setStyleClass("chat");

  root()->addWidget(new WText(WString::tr("details")));

  WPushButton *b = new WPushButton("I'm schizophrenic ...", root());
  b->clicked().connect(b, &WPushButton::hide);
  b->clicked().connect(this, &ChatApplication::addChatWidget);
}

ChatWidget::ChatWidget

(

const WEnvironment &

env )

[inherited]

Definition at line 79 of file simpleChat.C.

  : WApplication(env),
    login_(this, "login")
{
  useStyleSheet("chatwidget.css");
  useStyleSheet("chatwidget_ie6.css", "lt IE 7");

  const std::string *div = env.getParameter("div");

  if (div) {
    setJavaScriptClass(*div);
    PopupChatWidget *chatWidget = new PopupChatWidget(theServer);
    bindWidget(chatWidget, *div);

    login_.connect(chatWidget, &PopupChatWidget::setName);

    std::string chat = javaScriptClass();
    doJavaScript("if (window." + chat + "User) "
                 + chat + ".emit(" + chat + ", 'login', " + chat + "User);"
                 + "document.body.appendChild(" + chatWidget->jsRef() + ");");
  } else {
    std::cerr << "Missing: parameter: 'div'" << std::endl;
    quit();
  }
}

WApplication* createApplication

(

const WEnvironment &

env )

Definition at line 105 of file simpleChat.C.

{
  return new ChatApplication(env);
}

WApplication* createWidget

(

const WEnvironment &

env )

Definition at line 110 of file simpleChat.C.

{
  return new ChatWidget(env);
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 115 of file simpleChat.C.

{
  Wt::WServer server(argv[0]);

  server.setServerConfiguration(argc, argv, WTHTTP_CONFIGURATION);
  server.addEntryPoint(Wt::Application, createApplication);
  server.addEntryPoint(Wt::WidgetSet, createWidget, "/chat.js");

  if (server.start()) {
    Wt::WServer::waitForShutdown();
    server.stop();
  }
}

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Variable Documentation

SimpleChatServer theServer

The single chat server instance.

Definition at line 26 of file simpleChat.C.