A chat demo application. More...

Inheritance diagram for ChatApplication:

Public Member Functions
	ChatApplication (const Wt::WEnvironment &env, SimpleChatServer &server)
	Create a new instance. More...

Public Member Functions inherited from Wt::WApplication
	WApplication (const WEnvironment &environment)

	~WApplication ()

const WEnvironment &	environment () const

WContainerWidget *	root () const

WWidget *	findWidget (const std::string &name)

void	setTitle (const WString &title)

const WString &	title () const

const WString &	closeMessage () const

std::shared_ptr< WLocalizedStrings >	localizedStrings ()

void	setLocalizedStrings (const std::shared_ptr< WLocalizedStrings > &stringResolver)

WMessageResourceBundle &	messageResourceBundle ()

void	setLocale (const WLocale &locale)

const WLocale &	locale () const

virtual void	refresh ()

void	bindWidget (std::unique_ptr< WWidget > widget, const std::string &domId)

std::string	docRoot () const

void	setConnectionMonitor (const std::string &jsObject)

std::string	sessionId () const

void	changeSessionId ()

void	processEvents ()

virtual void	waitForEvent ()

virtual void	initialize ()

virtual void	finalize ()

void	setTwoPhaseRenderingThreshold (int size)

void	setCookie (const Http::Cookie &cookie)

void	setCookie (const std::string &name, const std::string &value, int maxAge, const std::string &domain="", const std::string &path="", bool secure=false)

void	removeCookie (const Http::Cookie &cookie)

void	removeCookie (const std::string &name, const std::string &domain="", const std::string &path="")

void	addMetaLink (const std::string &href, const std::string &rel, const std::string &media, const std::string &hreflang, const std::string &type, const std::string &sizes, bool disabled)

void	removeMetaLink (const std::string &href)

void	addMetaHeader (const std::string &name, const WString &content, const std::string &lang="")

void	addMetaHeader (MetaHeaderType type, const std::string &name, const WString &content, const std::string &lang="")

WString	metaHeader (MetaHeaderType type, const std::string &name) const

void	removeMetaHeader (MetaHeaderType type, const std::string &name="")

WLogEntry	log (const std::string &type) const

void	setLoadingIndicator (std::unique_ptr< WLoadingIndicator > indicator)

WLoadingIndicator *	loadingIndicator () const

void	quit ()

void	quit (const WString &restartMessage)

bool	hasQuit () const

::int64_t	maximumRequestSize () const

Signal< ::int64_t > &	requestTooLarge ()

void	setConfirmCloseMessage (const WString &message)

void	deferRendering ()

void	resumeRendering ()

std::string	encodeUntrustedUrl (const std::string &url) const

void	pushExposedConstraint (WWidget *w)

void	suspend (std::chrono::seconds duration)

Signal &	unsuspended ()

WCssStyleSheet &	styleSheet ()

void	useStyleSheet (const WLink &link, const std::string &media="all")

void	useStyleSheet (const WLink &link, const std::string &condition, const std::string &media)

void	useStyleSheet (const WLinkedCssStyleSheet &styleSheet, const std::string &condition="")

void	removeStyleSheet (const WLink &link)

void	setTheme (const std::shared_ptr< WTheme > &theme)

std::shared_ptr< WTheme >	theme () const

void	setCssTheme (const std::string &name)

void	setLayoutDirection (LayoutDirection direction)

LayoutDirection	layoutDirection () const

void	setBodyClass (const std::string &styleClass)

std::string	bodyClass () const

void	setHtmlClass (const std::string &styleClass)

std::string	htmlClass () const

void	setHtmlAttribute (const std::string &name, const std::string &value)

WString	htmlAttribute (const std::string &name) const

void	setBodyAttribute (const std::string &name, const std::string &value)

WString	bodyAttribute (const std::string &name) const

std::string	url (const std::string &internalPath=std::string()) const

virtual std::string	makeAbsoluteUrl (const std::string &url) const

std::string	resolveRelativeUrl (const std::string &url) const

std::string	bookmarkUrl () const

std::string	bookmarkUrl (const std::string &internalPath) const

void	setInternalPath (const std::string &path, bool emitChange=false)

void	setInternalPathDefaultValid (bool valid)

bool	internalPathDefaultValid () const

void	setInternalPathValid (bool valid)

bool	internalPathValid () const

std::string	internalPath () const

std::string	internalPathNextPart (const std::string &path) const

bool	internalPathMatches (const std::string &path) const

Signal< std::string > &	internalPathChanged ()

Signal< std::string > &	internalPathInvalid ()

void	redirect (const std::string &url)

void	enableUpdates (bool enabled=true)

bool	updatesEnabled () const

void	triggerUpdate ()

void	attachThread (bool attach=true)

void	doJavaScript (const std::string &javascript, bool afterLoaded=true)

void	addAutoJavaScript (const std::string &javascript)

void	declareJavaScriptFunction (const std::string &name, const std::string &function)

bool	require (const std::string &url, const std::string &symbol=std::string())

bool	requireJQuery (const std::string &url)

bool	customJQuery () const

void	setJavaScriptClass (const std::string &className)

std::string	javaScriptClass ()

EventSignal< WKeyEvent > &	globalKeyWentDown ()

EventSignal< WKeyEvent > &	globalKeyPressed ()

EventSignal< WKeyEvent > &	globalKeyWentUp ()

EventSignal &	globalEnterPressed ()

EventSignal &	globalEscapePressed ()

WCssStyleSheet &	styleSheet ()

void	useStyleSheet (const WLink &link, const std::string &media="all")

void	useStyleSheet (const WLink &link, const std::string &condition, const std::string &media)

void	useStyleSheet (const WLinkedCssStyleSheet &styleSheet, const std::string &condition="")

void	removeStyleSheet (const WLink &link)

void	setTheme (const std::shared_ptr< WTheme > &theme)

std::shared_ptr< WTheme >	theme () const

void	setCssTheme (const std::string &name)

void	setLayoutDirection (LayoutDirection direction)

LayoutDirection	layoutDirection () const

void	setBodyClass (const std::string &styleClass)

std::string	bodyClass () const

void	setHtmlClass (const std::string &styleClass)

std::string	htmlClass () const

void	setHtmlAttribute (const std::string &name, const std::string &value)

WString	htmlAttribute (const std::string &name) const

void	setBodyAttribute (const std::string &name, const std::string &value)

WString	bodyAttribute (const std::string &name) const

std::string	url (const std::string &internalPath=std::string()) const

virtual std::string	makeAbsoluteUrl (const std::string &url) const

std::string	resolveRelativeUrl (const std::string &url) const

std::string	bookmarkUrl () const

std::string	bookmarkUrl (const std::string &internalPath) const

void	setInternalPath (const std::string &path, bool emitChange=false)

void	setInternalPathDefaultValid (bool valid)

bool	internalPathDefaultValid () const

void	setInternalPathValid (bool valid)

bool	internalPathValid () const

std::string	internalPath () const

std::string	internalPathNextPart (const std::string &path) const

bool	internalPathMatches (const std::string &path) const

Signal< std::string > &	internalPathChanged ()

Signal< std::string > &	internalPathInvalid ()

void	redirect (const std::string &url)

void	enableUpdates (bool enabled=true)

bool	updatesEnabled () const

void	triggerUpdate ()

void	attachThread (bool attach=true)

void	doJavaScript (const std::string &javascript, bool afterLoaded=true)

void	addAutoJavaScript (const std::string &javascript)

void	declareJavaScriptFunction (const std::string &name, const std::string &function)

bool	require (const std::string &url, const std::string &symbol=std::string())

bool	requireJQuery (const std::string &url)

bool	customJQuery () const

void	setJavaScriptClass (const std::string &className)

std::string	javaScriptClass ()

EventSignal< WKeyEvent > &	globalKeyWentDown ()

EventSignal< WKeyEvent > &	globalKeyPressed ()

EventSignal< WKeyEvent > &	globalKeyWentUp ()

EventSignal &	globalEnterPressed ()

EventSignal &	globalEscapePressed ()

Public Member Functions inherited from Wt::WObject
void	addChild (std::unique_ptr< WObject > child)

Child *	addChild (std::unique_ptr< Child > child)

std::unique_ptr< WObject >	removeChild (WObject *child)

std::unique_ptr< Child >	removeChild (Child *child)

virtual const std::string	id () const

virtual void	setObjectName (const std::string &name)

virtual std::string	objectName () const

void	resetLearnedSlots ()

void	resetLearnedSlot (void(T::*method)())

WStatelessSlot *	implementStateless (void(T::*method)())

WStatelessSlot *	implementStateless (void(T::method)(), void(T::undoMethod)())

void	isNotStateless ()

WStatelessSlot *	implementJavaScript (void(T::*method)(), const std::string &jsCode)

Public Member Functions inherited from Wt::Core::observable
	observable () noexcept

virtual	~observable ()

auto	bindSafe (void(C::*method)(Args...)) noexcept

auto	bindSafe (void(C::*method)(Args...) const) const noexcept

auto	bindSafe (const Function &function) noexcept

Private Member Functions
void	addChatWidget ()
	Add another chat client. More...

void	javaScriptTest ()

void	emptyFunc ()

Private Attributes
SimpleChatServer &	server_

Wt::WText *	javaScriptError_

const Wt::WEnvironment &	env_

std::unique_ptr< Wt::WTimer >	timer_

Additional Inherited Members
Public Types inherited from Wt::WApplication
typedef Wt::ApplicationCreator	ApplicationCreator

typedef std::function< std::unique_ptr< WApplication >const WEnvironment &)>	ApplicationCreator

Public Types inherited from Wt::WObject
typedef void(WObject::*	Method) ()

Static Public Member Functions inherited from Wt::WApplication
static WApplication *	instance ()

static std::string	resourcesUrl ()

static std::string	relativeResourcesUrl ()

static std::string	appRoot ()

static bool	readConfigurationProperty (const std::string &name, std::string &value)

Protected Member Functions inherited from Wt::WApplication
virtual void	notify (const WEvent &e)

virtual bool	isExposed (WWidget *w) const

virtual void	enableAjax ()

virtual void	unload ()

virtual void	idleTimeout ()

virtual void	handleJavaScriptError (const std::string &errorText)

Protected Member Functions inherited from Wt::WObject
virtual WStatelessSlot *	getStateless (Method method)

Detailed Description

A chat demo application.

Definition at line 25 of file simpleChat.C.

Constructor & Destructor Documentation

◆ ChatApplication()

ChatApplication::ChatApplication	(	const Wt::WEnvironment &	env,
		SimpleChatServer &	server
	)

Create a new instance.

Definition at line 45 of file simpleChat.C.

   : WApplication(env),
     server_(server),
     env_(env)
 {
   setTitle("Wt Chat");
   useStyleSheet("chatapp.css");
  
   messageResourceBundle().use(appRoot() + "simplechat");
  
   javaScriptTest();
  
   root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("introduction")));
  
   SimpleChatWidget *chatWidget =
       root()->addWidget(std::make_unique<SimpleChatWidget>(server_));
   chatWidget->setStyleClass("chat");
  
   root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("details")));
  
   Wt::WPushButton *b =
       root()->addWidget(std::make_unique<Wt::WPushButton>("I'm schizophrenic ..."));
   b->clicked().connect(b, &Wt::WPushButton::hide);
   b->clicked().connect(this, &ChatApplication::addChatWidget);
 }

Member Function Documentation

◆ addChatWidget()

void ChatApplication::addChatWidget ( )

private

Add another chat client.

Definition at line 90 of file simpleChat.C.

 {
   SimpleChatWidget *chatWidget2 =
       root()->addWidget(std::make_unique<SimpleChatWidget>(server_));
   chatWidget2->setStyleClass("chat");
 }

◆ emptyFunc()

void ChatApplication::emptyFunc ( )

private

Definition at line 87 of file simpleChat.C.

88 {}

◆ javaScriptTest()

void ChatApplication::javaScriptTest ( )

private

Definition at line 72 of file simpleChat.C.

 {
   if(!env_.javaScript()){
     javaScriptError_ =
         root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("serverpushwarning")));
  
     // The 5 second timer is a fallback for real server push. The updated
     // server state will piggy back on the response to this timeout.
     timer_ = std::make_unique<Wt::WTimer>();
     timer_->setInterval(std::chrono::milliseconds{5000});
     timer_->timeout().connect(this, &ChatApplication::emptyFunc);
     timer_->start();
   }
 }

Member Data Documentation

◆ env_

const Wt::WEnvironment& ChatApplication::env_

private

Definition at line 35 of file simpleChat.C.

◆ javaScriptError_

Wt::WText* ChatApplication::javaScriptError_

private

Definition at line 34 of file simpleChat.C.

◆ server_

SimpleChatServer& ChatApplication::server_

private

Definition at line 33 of file simpleChat.C.

◆ timer_

std::unique_ptr<Wt::WTimer> ChatApplication::timer_

private

Definition at line 36 of file simpleChat.C.

The documentation for this class was generated from the following file:

simplechat/simpleChat.C

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ChatApplication()

Member Function Documentation

◆ addChatWidget()

◆ emptyFunc()

◆ javaScriptTest()

Member Data Documentation

◆ env_

◆ javaScriptError_

◆ server_

◆ timer_