A popup chat widget. More...

#include <PopupChatWidget.h>

Inheritance diagram for PopupChatWidget:

[legend]

Public Member Functions
	PopupChatWidget (SimpleChatServer &server, const std::string &id)

void	setName (const Wt::WString &name)

Public Member Functions inherited from SimpleChatWidget
	SimpleChatWidget (SimpleChatServer &server)
	Create a chat widget that will connect to the given server. More...

	~SimpleChatWidget ()
	Delete a chat widget. More...

void	connect ()

void	disconnect ()

void	letLogin ()
	Show a simple login screen. More...

bool	startChat (const Wt::WString &user)
	Start a chat for the given user. More...

void	logout ()

SimpleChatServer &	server ()

int	userCount ()

const Wt::WString &	userName () const

Public Member Functions inherited from Wt::WContainerWidget
	WContainerWidget ()

	~WContainerWidget ()

void	setLayout (std::unique_ptr< WLayout > layout)

WLayout *	layout () const

virtual void	addWidget (std::unique_ptr< WWidget > widget)

Widget *	addWidget (std::unique_ptr< Widget > widget)

virtual void	insertBefore (std::unique_ptr< WWidget > widget, WWidget *before)

Widget *	insertWidget (std::unique_ptr< Widget > widget, WWidget *before)

virtual void	insertWidget (int index, std::unique_ptr< WWidget > widget)

Widget *	insertWidget (int index, std::unique_ptr< Widget > widget)

virtual std::unique_ptr< WWidget >	removeWidget (WWidget *widget) override

virtual void	clear ()

virtual int	indexOf (WWidget *widget) const

virtual WWidget *	widget (int index) const

virtual int	count () const

void	setContentAlignment (WFlags< AlignmentFlag > contentAlignment)

void	setPadding (const WLength &padding, WFlags< Side > sides=AllSides)

WLength	padding (Side side) const

WFlags< AlignmentFlag >	contentAlignment () const

void	setOverflow (Overflow overflow, WFlags< Orientation > orientation=(Orientation::Horizontal\|Orientation::Vertical))

void	setList (bool list, bool ordered=false)

bool	isList () const

bool	isUnorderedList () const

bool	isOrderedList () const

EventSignal< WScrollEvent > &	scrolled ()

int	scrollTop () const

int	scrollLeft () const

Public Member Functions inherited from Wt::WInteractWidget
	WInteractWidget ()

EventSignal< WKeyEvent > &	keyWentDown ()

EventSignal< WKeyEvent > &	keyPressed ()

EventSignal< WKeyEvent > &	keyWentUp ()

EventSignal &	enterPressed ()

EventSignal &	escapePressed ()

EventSignal< WMouseEvent > &	clicked ()

EventSignal< WMouseEvent > &	doubleClicked ()

EventSignal< WMouseEvent > &	mouseWentDown ()

EventSignal< WMouseEvent > &	mouseWentUp ()

EventSignal< WMouseEvent > &	mouseWentOut ()

EventSignal< WMouseEvent > &	mouseWentOver ()

EventSignal< WMouseEvent > &	mouseMoved ()

EventSignal< WMouseEvent > &	mouseDragged ()

EventSignal< WMouseEvent > &	mouseWheel ()

EventSignal< WTouchEvent > &	touchStarted ()

EventSignal< WTouchEvent > &	touchEnded ()

EventSignal< WTouchEvent > &	touchMoved ()

EventSignal< WGestureEvent > &	gestureStarted ()

EventSignal< WGestureEvent > &	gestureChanged ()

EventSignal< WGestureEvent > &	gestureEnded ()

void	setDraggable (const std::string &mimeType, WWidget dragWidget=nullptr, bool isDragWidgetOnly=false, WObject sourceWidget=nullptr)

void	unsetDraggable ()

void	setMouseOverDelay (int delay)

int	mouseOverDelay () const

virtual void	setPopup (bool popup) override

virtual void	load () override

virtual bool	isEnabled () const override

Public Member Functions inherited from Wt::WWebWidget
	WWebWidget ()

virtual std::vector< WWidget * >	children () const override

Signal &	childrenChanged ()

virtual void	setPositionScheme (PositionScheme scheme) override

virtual PositionScheme	positionScheme () const override

virtual void	setOffsets (const WLength &offset, WFlags< Side > sides=AllSides) override

virtual WLength	offset (Side s) const override

virtual void	resize (const WLength &width, const WLength &height) override

virtual WLength	width () const override

virtual WLength	height () const override

virtual void	setMinimumSize (const WLength &width, const WLength &height) override

virtual WLength	minimumWidth () const override

virtual WLength	minimumHeight () const override

virtual void	setMaximumSize (const WLength &width, const WLength &height) override

virtual WLength	maximumWidth () const override

virtual WLength	maximumHeight () const override

virtual void	setLineHeight (const WLength &height) override

virtual WLength	lineHeight () const override

virtual void	setFloatSide (Side s) override

virtual Side	floatSide () const override

virtual void	setClearSides (WFlags< Side > sides) override

virtual WFlags< Side >	clearSides () const override

virtual void	setMargin (const WLength &margin, WFlags< Side > sides=AllSides) override

virtual WLength	margin (Side side) const override

virtual void	setHiddenKeepsGeometry (bool enabled) override

virtual bool	hiddenKeepsGeometry () const override

virtual void	setHidden (bool hidden, const WAnimation &animation=WAnimation()) override

virtual bool	isHidden () const override

virtual bool	isVisible () const override

virtual void	setDisabled (bool disabled) override

virtual bool	isDisabled () const override

virtual bool	isPopup () const override

virtual void	setInline (bool isInline) override

virtual bool	isInline () const override

virtual void	setDecorationStyle (const WCssDecorationStyle &style) override

virtual WCssDecorationStyle &	decorationStyle () override

virtual void	setStyleClass (const WString &styleClass) override

virtual WString	styleClass () const override

virtual void	addStyleClass (const WString &styleClass, bool force=false) override

virtual void	removeStyleClass (const WString &styleClass, bool force=false) override

virtual bool	hasStyleClass (const WString &styleClass) const override

virtual void	setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength()) override

virtual AlignmentFlag	verticalAlignment () const override

virtual WLength	verticalAlignmentLength () const override

virtual void	setToolTip (const WString &text, TextFormat textFormat=TextFormat::Plain) override

virtual void	setDeferredToolTip (bool enable, TextFormat textFormat=TextFormat::Plain) override

virtual WString	toolTip () const override

virtual void	refresh () override

virtual void	setAttributeValue (const std::string &name, const WString &value) override

virtual WString	attributeValue (const std::string &name) const override

virtual void	setJavaScriptMember (const std::string &name, const std::string &value) override

virtual std::string	javaScriptMember (const std::string &name) const override

virtual void	callJavaScriptMember (const std::string &name, const std::string &args) override

virtual bool	loaded () const override

virtual void	setId (const std::string &id) override

virtual WWidget *	find (const std::string &name) override

virtual WWidget *	findById (const std::string &id) override

virtual void	setSelectable (bool selectable) override

virtual void	doJavaScript (const std::string &javascript) override

virtual const std::string	id () const override

void	setLoadLaterWhenInvisible (bool)

std::string	htmlTagName () const

void	setHtmlTagName (const std::string &tag)

virtual void	setCanReceiveFocus (bool enabled) override

virtual bool	canReceiveFocus () const override

virtual bool	setFirstFocus () override

virtual void	setFocus (bool focus) override

virtual bool	hasFocus () const override

virtual void	setTabIndex (int index) override

virtual int	tabIndex () const override

EventSignal &	blurred ()

EventSignal &	focussed ()

virtual bool	scrollVisibilityEnabled () const finaloverride

virtual void	setScrollVisibilityEnabled (bool enabled) finaloverride

virtual int	scrollVisibilityMargin () const finaloverride

virtual void	setScrollVisibilityMargin (int margin) finaloverride

virtual Signal< bool > &	scrollVisibilityChanged () finaloverride

virtual bool	isScrollVisible () const finaloverride

virtual void	setThemeStyleEnabled (bool enabled) finaloverride

virtual bool	isThemeStyleEnabled () const finaloverride

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

Public Member Functions inherited from Wt::WWidget
virtual	~WWidget ()

WWidget *	parent () const

std::unique_ptr< WWidget >	removeFromParent ()

void	setWidth (const WLength &width)

void	setHeight (const WLength &height)

virtual void	positionAt (const WWidget *widget, Orientation orientation=Orientation::Vertical)

virtual void	toggleStyleClass (const WString &styleClass, bool add, bool force=false)

std::string	jsRef () const

void	setFocus ()

virtual void	acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString())

virtual void	stopAcceptDrops (const std::string &mimeType)

virtual void	htmlText (std::ostream &out)

bool	isRendered () const

void	hide ()

void	animateHide (const WAnimation &animation)

void	show ()

void	animateShow (const WAnimation &animation)

void	enable ()

void	disable ()

bool	layoutSizeAware () const

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)

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 ()

virtual	~observable ()

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

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

auto	bindSafe (const Function &function)

Protected Member Functions
virtual void	createLayout (std::unique_ptr< WWidget > messages, std::unique_ptr< WWidget > userList, std::unique_ptr< WWidget > messageEdit, std::unique_ptr< WWidget > sendButton, std::unique_ptr< WWidget > logoutButton)

virtual void	updateUsers ()

virtual void	newMessage ()

Protected Member Functions inherited from SimpleChatWidget
virtual void	createLayout (std::unique_ptr< Wt::WWidget > messages, std::unique_ptr< Wt::WWidget > userList, std::unique_ptr< Wt::WWidget > messageEdit, std::unique_ptr< Wt::WWidget > sendButton, std::unique_ptr< Wt::WWidget > logoutButton)

virtual void	render (Wt::WFlags< Wt::RenderFlag > flags)

bool	loggedIn () const

Protected Member Functions inherited from Wt::WInteractWidget
virtual void	propagateSetEnabled (bool enabled) override

Protected Member Functions inherited from Wt::WWebWidget
virtual void	enableAjax () override

virtual WStatelessSlot *	getStateless (Method method) override

Protected Member Functions inherited from Wt::WWidget
void	setLayoutSizeAware (bool sizeAware)

virtual void	layoutSizeChanged (int width, int height)

	WWidget ()

virtual void	dropEvent (WDropEvent dropEvent)

virtual int	boxPadding (Orientation orientation) const

virtual int	boxBorder (Orientation orientation) const

void	scheduleRender (WFlags< RepaintFlag > flags=None)

Private Member Functions
void	toggleSize ()

void	goOnline ()

bool	minimized () const

std::unique_ptr< Wt::WContainerWidget >	createBar ()

Private Attributes
Wt::WString	name_

Wt::WText *	title_

Wt::WWidget *	bar_

bool	online_

bool	minimized_

int	missedMessages_

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

Static Public Member Functions inherited from Wt::WWebWidget
static std::string	jsStringLiteral (const std::string &v, char delimiter= '\'')

Static Public Member Functions inherited from Wt::WWidget
static WString	tr (const char *key)

Detailed Description

A popup chat widget.

Definition at line 20 of file PopupChatWidget.h.

Constructor & Destructor Documentation

PopupChatWidget::PopupChatWidget	(	SimpleChatServer &	server,
		const std::string &	id
	)

Definition at line 19 of file PopupChatWidget.C.

   : SimpleChatWidget(server),
     missedMessages_(0)
 {
   setId(id);
 
   if (Wt::WApplication::instance()->environment().agentIsIE()) {
     if (Wt::WApplication::instance()->environment().agent()
         == Wt::UserAgent::IE6)
       setPositionScheme(Wt::PositionScheme::Absolute);
     else
       setPositionScheme(Wt::PositionScheme::Fixed);
   }
 
   implementJavaScript
     (&PopupChatWidget::toggleSize,
      "{"
      """var s = $('#" + id + "');"
      """s.toggleClass('chat-maximized chat-minimized');"
      "}");
 
   online_ = false;
   minimized_ = true;
   setStyleClass("chat-widget chat-minimized");
 
   clear();
   addWidget(createBar());
   updateUsers();
 
   connect();
 }

Member Function Documentation

std::unique_ptr< Wt::WContainerWidget > PopupChatWidget::createBar ( )

private

Definition at line 68 of file PopupChatWidget.C.

 {
   auto bar(Wt::cpp14::make_unique<Wt::WContainerWidget>());
   bar->setStyleClass("chat-bar");
 
   auto toggleButton(Wt::cpp14::make_unique<Wt::WText>());
   toggleButton->setInline(false);
   toggleButton->setStyleClass("chat-minmax");
   bar->clicked().connect(this, &PopupChatWidget::toggleSize);
   bar->clicked().connect(this, &PopupChatWidget::goOnline);
 
   bar->addWidget(std::move(toggleButton));
 
   title_ = bar->addWidget(Wt::cpp14::make_unique<Wt::WText>());
 
   bar_ = bar.get();
 
   return bar;
 }

void PopupChatWidget::createLayout	(	std::unique_ptr< WWidget >	messages,
		std::unique_ptr< WWidget >	userList,
		std::unique_ptr< WWidget >	messageEdit,
		std::unique_ptr< WWidget >	sendButton,
		std::unique_ptr< WWidget >	logoutButton
	)

protectedvirtual

Definition at line 117 of file PopupChatWidget.C.

 {
   auto layout(Wt::cpp14::make_unique<Wt::WVBoxLayout>());
   layout->setContentsMargins(0, 0, 0, 0);
   layout->setSpacing(0);
 
   auto bar = layout->addWidget(createBar());
   bar->setMinimumSize(Wt::WLength::Auto, 20);
   layout->addWidget(std::move(messages), 1);
   layout->addWidget(std::move(messageEdit));
 
   setLayout(std::move(layout));
 }

void PopupChatWidget::goOnline ( )

private

Definition at line 93 of file PopupChatWidget.C.

 {
   if (!online_) {
     online_ = true;
 
     int tries = 1;
     Wt::WString name = name_;
     if (name.empty())
       name = server().suggestGuest();
 
     while (!startChat(name)) {
       if (name_.empty())
         name = server().suggestGuest();
       else
         name = name_ + std::to_string(++tries);
     }
 
     name_ = name;
   }
 
   missedMessages_ = 0;
   bar_->removeStyleClass("alert");
 }

bool PopupChatWidget::minimized ( ) const

private

Definition at line 165 of file PopupChatWidget.C.

 {
   return minimized_;
 }

void PopupChatWidget::newMessage ( )

protectedvirtual

Reimplemented from SimpleChatWidget.

Definition at line 155 of file PopupChatWidget.C.

 {
   if (loggedIn() && minimized()) {
     ++missedMessages_;
     if (missedMessages_ == 1) {
       bar_->addStyleClass("alert");
     }
   }
 }

void PopupChatWidget::setName ( const Wt::WString & name )

Definition at line 52 of file PopupChatWidget.C.

 {
   if (name.empty())
     return;
 
   if (online_) {
     int tries = 1;
     Wt::WString n = name;
     while (!server().changeName(name_, n))
       n = name + std::to_string(++tries);
 
     name_ = n;
   } else
     name_ = name;
 }

void PopupChatWidget::toggleSize ( )

private

Definition at line 88 of file PopupChatWidget.C.

 {
   minimized_ = !minimized_;
 }

void PopupChatWidget::updateUsers ( )

protectedvirtual

Reimplemented from SimpleChatWidget.

Definition at line 135 of file PopupChatWidget.C.

 {
   SimpleChatWidget::updateUsers();
 
   int count = server().users().size();
 
   if (!loggedIn()) {
     if (count == 0)
       title_->setText("Thoughts? Ventilate.");
     else if (count == 1)
       title_->setText("Chat: 1 user online");
     else
       title_->setText(Wt::WString("Chat: {1} users online").arg(count));
   } else {
     title_->setText(Wt::WString("Chat: <span class=\"self\">{1}</span>"
                                 " <span class=\"online\">({2} user{3})</span>")
                     .arg(userName()).arg(count).arg(count == 1 ? "" : "s"));
   }
 }

Member Data Documentation

Wt::WWidget* PopupChatWidget::bar_

private

Definition at line 38 of file PopupChatWidget.h.

bool PopupChatWidget::minimized_

private

Definition at line 39 of file PopupChatWidget.h.

int PopupChatWidget::missedMessages_

private

Definition at line 40 of file PopupChatWidget.h.

Wt::WString PopupChatWidget::name_

private

Definition at line 36 of file PopupChatWidget.h.

bool PopupChatWidget::online_

private

Definition at line 39 of file PopupChatWidget.h.

Wt::WText* PopupChatWidget::title_

private

Definition at line 37 of file PopupChatWidget.h.

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

/home/roel/project/wt/public-git/wt/examples/simplechat/PopupChatWidget.h
/home/roel/project/wt/public-git/wt/examples/simplechat/PopupChatWidget.C

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation