Wt examples 3.3.12
Public Member Functions | Protected Member Functions | Private Member Functions | Private Attributes | List of all members
PopupChatWidget Class Reference

A popup chat widget. More...

#include <PopupChatWidget.h>

Inheritance diagram for PopupChatWidget:
Inheritance graph
[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, Wt::WContainerWidget *parent=0)
 Create a chat widget that will connect to the given server.
 
 ~SimpleChatWidget ()
 Delete a chat widget.
 
void connect ()
 
void disconnect ()
 
void letLogin ()
 Show a simple login screen.
 
bool startChat (const Wt::WString &user)
 Start a chat for the given user.
 
void logout ()
 
SimpleChatServerserver ()
 
int userCount ()
 
const Wt::WStringuserName () const
 
- Public Member Functions inherited from Wt::WContainerWidget
 WContainerWidget (WContainerWidget *parent=0)
 
 ~WContainerWidget ()
 
void setLayout (WLayout *layout)
 
void setLayout (WLayout *layout, WFlags< AlignmentFlag > alignment)
 
WLayoutlayout ()
 
virtual void addWidget (WWidget *widget)
 
virtual void insertBefore (WWidget *widget, WWidget *before)
 
virtual void insertWidget (int index, WWidget *widget)
 
virtual void removeWidget (WWidget *widget)
 
virtual void clear ()
 
virtual int indexOf (WWidget *widget) const
 
virtual WWidgetwidget (int index) const
 
virtual int count () const
 
void setContentAlignment (WFlags< AlignmentFlag > contentAlignment)
 
void setPadding (const WLength &padding, WFlags< Side > sides=All)
 
WLength padding (Side side) const
 
WFlags< AlignmentFlagcontentAlignment () const
 
void setOverflow (Overflow overflow, WFlags< Orientation > orientation=(Horizontal|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 (WContainerWidget *parent=0)
 
EventSignal< WKeyEvent > & keyWentDown ()
 
EventSignal< WKeyEvent > & keyPressed ()
 
EventSignal< WKeyEvent > & keyWentUp ()
 
EventSignalenterPressed ()
 
EventSignalescapePressed ()
 
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=0, bool isDragWidgetOnly=false, WObject *sourceWidget=0)
 
void unsetDraggable ()
 
void setMouseOverDelay (int delay)
 
int mouseOverDelay () const
 
virtual void setPopup (bool popup)
 
virtual void load ()
 
virtual bool isEnabled () const
 
- Public Member Functions inherited from Wt::WWebWidget
 WWebWidget (WContainerWidget *parent=0)
 
virtual void setPositionScheme (PositionScheme scheme)
 
virtual PositionScheme positionScheme () const
 
virtual void setOffsets (const WLength &offset, WFlags< Side > sides=All)
 
virtual WLength offset (Side s) const
 
virtual void resize (const WLength &width, const WLength &height)
 
virtual WLength width () const
 
virtual WLength height () const
 
virtual void setMinimumSize (const WLength &width, const WLength &height)
 
virtual WLength minimumWidth () const
 
virtual WLength minimumHeight () const
 
virtual void setMaximumSize (const WLength &width, const WLength &height)
 
virtual WLength maximumWidth () const
 
virtual WLength maximumHeight () const
 
virtual void setLineHeight (const WLength &height)
 
virtual WLength lineHeight () const
 
virtual void setFloatSide (Side s)
 
virtual Side floatSide () const
 
virtual void setClearSides (WFlags< Side > sides)
 
virtual WFlags< SideclearSides () const
 
virtual void setMargin (const WLength &margin, WFlags< Side > sides=All)
 
virtual WLength margin (Side side) const
 
virtual void setHiddenKeepsGeometry (bool enabled)
 
virtual bool hiddenKeepsGeometry () const
 
virtual void setHidden (bool hidden, const WAnimation &animation=WAnimation())
 
virtual bool isHidden () const
 
virtual bool isVisible () const
 
virtual void setDisabled (bool disabled)
 
virtual bool isDisabled () const
 
virtual bool isPopup () const
 
virtual void setInline (bool isInline)
 
virtual bool isInline () const
 
virtual void setDecorationStyle (const WCssDecorationStyle &style)
 
virtual WCssDecorationStyledecorationStyle ()
 
virtual void setStyleClass (const WString &styleClass)
 
virtual WString styleClass () const
 
virtual void addStyleClass (const WString &styleClass, bool force=false)
 
virtual void removeStyleClass (const WString &styleClass, bool force=false)
 
virtual bool hasStyleClass (const WString &styleClass) const
 
virtual void setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength())
 
virtual AlignmentFlag verticalAlignment () const
 
virtual WLength verticalAlignmentLength () const
 
virtual void setToolTip (const WString &text, TextFormat textFormat=PlainText)
 
virtual void setDeferredToolTip (bool enable, TextFormat textFormat=PlainText)
 
virtual WString toolTip () const
 
virtual void refresh ()
 
virtual void setAttributeValue (const std::string &name, const WString &value)
 
virtual WString attributeValue (const std::string &name) const
 
virtual void setJavaScriptMember (const std::string &name, const std::string &value)
 
virtual std::string javaScriptMember (const std::string &name) const
 
virtual void callJavaScriptMember (const std::string &name, const std::string &args)
 
virtual bool loaded () const
 
virtual void setId (const std::string &id)
 
virtual WWidgetfind (const std::string &name)
 
virtual WWidgetfindById (const std::string &id)
 
virtual void setSelectable (bool selectable)
 
virtual void doJavaScript (const std::string &javascript)
 
virtual const std::string id () const
 
void setLoadLaterWhenInvisible (bool)
 
std::string htmlTagName () const
 
void setHtmlTagName (const std::string &tag)
 
const std::vector< WWidget * > & children () const
 
SignalchildrenChanged ()
 
virtual void setCanReceiveFocus (bool enabled)
 
virtual bool canReceiveFocus () const
 
virtual bool setFirstFocus ()
 
virtual void setFocus (bool focus)
 
virtual bool hasFocus () const
 
virtual void setTabIndex (int index)
 
virtual int tabIndex () const
 
EventSignalblurred ()
 
EventSignalfocussed ()
 
virtual bool scrollVisibilityEnabled () const WT_CXX11ONLY(final override)
 
virtual void setScrollVisibilityEnabled (bool enabled) WT_CXX11ONLY(final override)
 
virtual int scrollVisibilityMargin () const WT_CXX11ONLY(final override)
 
virtual void setScrollVisibilityMargin (int margin) WT_CXX11ONLY(final override)
 
virtual Signal< bool > & scrollVisibilityChanged () WT_CXX11ONLY(final override)
 
virtual bool isScrollVisible () const WT_CXX11ONLY(final override)
 
virtual void setThemeStyleEnabled (bool enabled)
 
virtual bool isThemeStyleEnabled () const
 
virtual void removeChild (WObject *child)
 
void setFocus ()
 
virtual void setFocus (bool focus)=0
 
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
 
WWidgetparent () const
 
void setWidth (const WLength &width)
 
void setHeight (const WLength &height)
 
virtual void positionAt (const WWidget *widget, 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 setObjectName (const std::string &name)
 
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
 WObject (WObject *parent=0)
 
virtual ~WObject ()
 
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)
 
void addChild (WObject *child)
 
const std::vector< WObject * > & children () const
 
WObjectparent () const
 

Protected Member Functions

virtual void createLayout (Wt::WWidget *messages, Wt::WWidget *userList, Wt::WWidget *messageEdit, Wt::WWidget *sendButton, Wt::WWidget *logoutButton)
 
virtual void updateUsers ()
 
virtual void newMessage ()
 
- Protected Member Functions inherited from SimpleChatWidget
virtual void render (Wt::WFlags< Wt::RenderFlag > flags)
 
bool loggedIn () const
 
- Protected Member Functions inherited from Wt::WContainerWidget
virtual void removeChild (WObject *child)
 
- Protected Member Functions inherited from Wt::WInteractWidget
virtual void propagateSetEnabled (bool enabled)
 
- Protected Member Functions inherited from Wt::WWebWidget
virtual void enableAjax ()
 
virtual WStatelessSlot * getStateless (Method method)
 
- Protected Member Functions inherited from Wt::WWidget
void setLayoutSizeAware (bool sizeAware)
 
virtual void layoutSizeChanged (int width, int height)
 
 WWidget (WContainerWidget *parent=0)
 
virtual void dropEvent (WDropEvent dropEvent)
 
virtual int boxPadding (Orientation orientation) const
 
virtual int boxBorder (Orientation orientation) const
 
void scheduleRender (WFlags< RepaintFlag > flags=0)
 

Private Member Functions

void toggleSize ()
 
void goOnline ()
 
bool minimized () const
 
Wt::WContainerWidgetcreateBar ()
 

Private Attributes

Wt::WString name_
 
Wt::WTexttitle_
 
Wt::WWidgetbar_
 
bool online_
 
bool minimized_
 
int missedMessages_
 

Additional Inherited Members

- Public Types inherited from Wt::WContainerWidget
enum  Overflow
 
- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
 
- Static Public Member Functions inherited from Wt::WWebWidget
static WString escapeText (const WString &text, bool newlinesToo=false)
 
static std::string & escapeText (std::string &text, bool newlinestoo=false)
 
static bool removeScript (WString &text)
 
static std::string jsStringLiteral (const std::string &v, char delimiter='\'')
 
- Static Public Member Functions inherited from Wt::WWidget
static WString tr (const char *key)
 
- Public Attributes inherited from Wt::WContainerWidget
 OverflowVisible
 
 OverflowAuto
 
 OverflowHidden
 
 OverflowScroll
 
- Static Protected Member Functions inherited from Wt::WObject
static WObjectsender ()
 

Detailed Description

A popup chat widget.

Definition at line 20 of file PopupChatWidget.h.

Constructor & Destructor Documentation

◆ PopupChatWidget()

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

Definition at line 19 of file PopupChatWidget.C.

23{
24 setId(id);
25
26 if (Wt::WApplication::instance()->environment().agentIsIE()) {
27 if (Wt::WApplication::instance()->environment().agent()
30 else
32 }
33
36 "{"
37 """var s = $('#" + id + "');"
38 """s.toggleClass('chat-maximized chat-minimized');"
39 + Wt::WApplication::instance()->javaScriptClass()
40 + ".layouts2.scheduleAdjust(true);"
41 "}");
42
43 online_ = false;
44 minimized_ = true;
45 setStyleClass("chat-widget chat-minimized");
46
47 clear();
50
51 connect();
52}
Wt::WContainerWidget * createBar()
virtual void updateUsers()
A self-contained chat widget.
SimpleChatServer & server()
virtual void addWidget(WWidget *widget)
virtual void clear()
WStatelessSlot * implementJavaScript(void(T::*method)(), const std::string &jsCode)
virtual void setId(const std::string &id)
virtual void setPositionScheme(PositionScheme scheme)
virtual void setStyleClass(const WString &styleClass)
Absolute

Member Function Documentation

◆ createBar()

Wt::WContainerWidget * PopupChatWidget::createBar ( )
private

Definition at line 70 of file PopupChatWidget.C.

71{
73 bar->setStyleClass("chat-bar");
74
75 Wt::WText *toggleButton = new Wt::WText();
76 toggleButton->setInline(false);
77 toggleButton->setStyleClass("chat-minmax");
78 bar->clicked().connect(this, &PopupChatWidget::toggleSize);
79 bar->clicked().connect(this, &PopupChatWidget::goOnline);
80
81 bar->addWidget(toggleButton);
82
83 title_ = new Wt::WText(bar);
84
85 bar_ = bar;
86
87 return bar;
88}
Wt::WWidget * bar_
Wt::WText * title_
EventSignal< WMouseEvent > & clicked()
virtual void setInline(bool isInline)

◆ createLayout()

void PopupChatWidget::createLayout ( Wt::WWidget messages,
Wt::WWidget userList,
Wt::WWidget messageEdit,
Wt::WWidget sendButton,
Wt::WWidget logoutButton 
)
protectedvirtual

Reimplemented from SimpleChatWidget.

Definition at line 119 of file PopupChatWidget.C.

124{
126 layout->setContentsMargins(0, 0, 0, 0);
127 layout->setSpacing(0);
128
130
131 layout->addWidget(bar);
133 layout->addWidget(messages, 1);
134 layout->addWidget(messageEdit);
135
137}
void setLayout(WLayout *layout)
void addWidget(WWidget *widget)
void setContentsMargins(int left, int top, int right, int bottom)
static WLength Auto
virtual void setMinimumSize(const WLength &width, const WLength &height)

◆ goOnline()

void PopupChatWidget::goOnline ( )
private

Definition at line 95 of file PopupChatWidget.C.

96{
97 if (!online_) {
98 online_ = true;
99
100 int tries = 1;
101 Wt::WString name = name_;
102 if (name.empty())
103 name = server().suggestGuest();
104
105 while (!startChat(name)) {
106 if (name_.empty())
107 name = server().suggestGuest();
108 else
109 name = name_ + boost::lexical_cast<std::string>(++tries);
110 }
111
112 name_ = name;
113 }
114
115 missedMessages_ = 0;
116 bar_->removeStyleClass("alert");
117}
Wt::WString name_
Wt::WString suggestGuest()
Get a suggestion for a guest user name.
bool startChat(const Wt::WString &user)
Start a chat for the given user.
bool empty() const
virtual void removeStyleClass(const WString &styleClass, bool force=false)=0

◆ minimized()

bool PopupChatWidget::minimized ( ) const
private

Definition at line 169 of file PopupChatWidget.C.

170{
171 return minimized_;
172}

◆ newMessage()

void PopupChatWidget::newMessage ( )
protectedvirtual

Reimplemented from SimpleChatWidget.

Definition at line 159 of file PopupChatWidget.C.

160{
161 if (loggedIn() && minimized()) {
163 if (missedMessages_ == 1) {
164 bar_->addStyleClass("alert");
165 }
166 }
167}
bool minimized() const
bool loggedIn() const
virtual void addStyleClass(const WString &styleClass, bool force=false)=0

◆ setName()

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

Definition at line 54 of file PopupChatWidget.C.

55{
56 if (name.empty())
57 return;
58
59 if (online_) {
60 int tries = 1;
61 Wt::WString n = name;
62 while (!server().changeName(name_, n))
63 n = name + boost::lexical_cast<std::string>(++tries);
64
65 name_ = n;
66 } else
67 name_ = name;
68}
void changeName(const Wt::WString &name)

◆ toggleSize()

void PopupChatWidget::toggleSize ( )
private

Definition at line 90 of file PopupChatWidget.C.

91{
93}

◆ updateUsers()

void PopupChatWidget::updateUsers ( )
protectedvirtual

Reimplemented from SimpleChatWidget.

Definition at line 139 of file PopupChatWidget.C.

140{
142
143 int count = server().users().size();
144
145 if (!loggedIn()) {
146 if (count == 0)
147 title_->setText("Thoughts? Ventilate.");
148 else if (count == 1)
149 title_->setText("Chat: 1 user online");
150 else
151 title_->setText(Wt::WString("Chat: {1} users online").arg(count));
152 } else {
153 title_->setText(Wt::WString("Chat: <span class=\"self\">{1}</span>"
154 " <span class=\"online\">({2} user{3})</span>")
155 .arg(userName()).arg(count).arg(count == 1 ? "" : "s"));
156 }
157}
UserSet users()
Get the users currently logged in.
virtual void updateUsers()
const Wt::WString & userName() const
virtual int count() const
bool setText(const WString &text)

Member Data Documentation

◆ bar_

Wt::WWidget* PopupChatWidget::bar_
private

Definition at line 38 of file PopupChatWidget.h.

◆ minimized_

bool PopupChatWidget::minimized_
private

Definition at line 39 of file PopupChatWidget.h.

◆ missedMessages_

int PopupChatWidget::missedMessages_
private

Definition at line 40 of file PopupChatWidget.h.

◆ name_

Wt::WString PopupChatWidget::name_
private

Definition at line 36 of file PopupChatWidget.h.

◆ online_

bool PopupChatWidget::online_
private

Definition at line 39 of file PopupChatWidget.h.

◆ title_

Wt::WText* PopupChatWidget::title_
private

Definition at line 37 of file PopupChatWidget.h.


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

Generated on Fri May 17 2024 for the C++ Web Toolkit (Wt) by doxygen 1.9.8