Wt examples  3.3.8
Public Member Functions | Private Member Functions | Private Attributes | List of all members
HelloApplication Class Reference
Inheritance diagram for HelloApplication:
Inheritance graph
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Public Member Functions

 HelloApplication (const WEnvironment &env)
 
- 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
 
WLocalizedStrings * localizedStrings ()
 
void setLocalizedStrings (WLocalizedStrings *stringResolver)
 
WMessageResourceBundle & messageResourceBundle ()
 
void setLocale (const WLocale &locale)
 
const WLocale & locale () const
 
virtual void refresh ()
 
void bindWidget (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 ()
 
void setAjaxMethod (AjaxMethod method)
 
AjaxMethod ajaxMethod () const
 
virtual void initialize ()
 
virtual void finalize ()
 
void setTwoPhaseRenderingThreshold (int size)
 
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 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 (WLoadingIndicator *indicator)
 
WLoadingIndicator * loadingIndicator () const
 
void quit ()
 
void quit (const WString &restartMessage)
 
bool isQuited () const
 
bool hasQuit () const
 
::int64_t maximumRequestSize () const
 
Signal< ::int64_t > & requestTooLarge ()
 
void setConfirmCloseMessage (const WString &message)
 
void enableInternalPaths ()
 
void deferRendering ()
 
void resumeRendering ()
 
boost::function< void()> bind (const F &f)
 
std::string encodeUntrustedUrl (const std::string &url) const
 
void pushExposedConstraint (WWidget *w)
 
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 WCssStyleSheet &styleSheet, const std::string &condition="")
 
void removeStyleSheet (const WLink &link)
 
void setTheme (const WTheme *theme)
 
const 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
 
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
 
std::string internalSubPath (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 ()
 
UpdateLock getUpdateLock ()
 
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 WCssStyleSheet &styleSheet, const std::string &condition="")
 
void removeStyleSheet (const WLink &link)
 
void setTheme (const WTheme *theme)
 
const 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
 
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
 
std::string internalSubPath (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 ()
 
UpdateLock getUpdateLock ()
 
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
 WObject (WObject *parent=0)
 
virtual ~WObject ()
 
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)
 
void addChild (WObject *child)
 
virtual void removeChild (WObject *child)
 
const std::vector< WObject * > & children () const
 
WObject * parent () const
 

Private Member Functions

void greet ()
 

Private Attributes

WLineEdit * nameEdit_
 
WText * greeting_
 

Additional Inherited Members

- Public Types inherited from Wt::WApplication
enum  AjaxMethod
 
typedef Wt::ApplicationCreator ApplicationCreator
 
typedef boost::function< 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)
 
- Public Attributes inherited from Wt::WApplication
 XMLHttpRequest
 
 DynamicScriptTag
 
- 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 handleJavaScriptError (const std::string &errorText)
 
- Protected Member Functions inherited from Wt::WObject
virtual WStatelessSlot * getStateless (Method method)
 
- Static Protected Member Functions inherited from Wt::WObject
static WObject * sender ()
 

Detailed Description

Definition at line 23 of file hello.C.

Constructor & Destructor Documentation

HelloApplication::HelloApplication ( const WEnvironment &  env)

Definition at line 41 of file hello.C.

42  : WApplication(env)
43 {
44  setTitle("Hello world"); // application title
45 
46  root()->addWidget(new WText("Your name, please ? ")); // show some text
47  nameEdit_ = new WLineEdit(root()); // allow text input
48  nameEdit_->setFocus(); // give focus
49 
50  WPushButton *button
51  = new WPushButton("Greet me.", root()); // create a button
52  button->setMargin(5, Left); // add 5 pixels margin
53 
54  root()->addWidget(new WBreak()); // insert a line break
55 
56  greeting_ = new WText(root()); // empty text
57 
58  /*
59  * Connect signals with slots
60  *
61  * - simple Wt-way
62  */
63  button->clicked().connect(this, &HelloApplication::greet);
64 
65  /*
66  * - using an arbitrary function object (binding values with boost::bind())
67  */
68  nameEdit_->enterPressed().connect
69  (boost::bind(&HelloApplication::greet, this));
70 
71  /*
72  * - using a c++0x lambda:
73  */
74  // button->clicked().connect(std::bind([=]() {
75  // greeting_->setText("Hello there, " + nameEdit_->text());
76  // }));
77 }
Wt::WWebWidget::setFocus
virtual void setFocus(bool focus)
Wt::WInteractWidget::clicked
EventSignal< WMouseEvent > & clicked()
Wt::WApplication::setTitle
void setTitle(const WString &title)
Wt::EventSignal::connect
Wt::Signals::connection connect(const F &function)
HelloApplication::nameEdit_
WLineEdit * nameEdit_
Definition: hello.C:29
HelloApplication::greeting_
WText * greeting_
Definition: hello.C:30
Wt::WWebWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
HelloApplication::greet
void greet()
Definition: hello.C:79
Wt::WInteractWidget::enterPressed
EventSignal & enterPressed()
Wt::WContainerWidget::addWidget
virtual void addWidget(WWidget *widget)
Wt::WApplication::root
WContainerWidget * root() const
Wt::WApplication::WApplication
WApplication(const WEnvironment &environment)

Member Function Documentation

void HelloApplication::greet ( )
private

Definition at line 79 of file hello.C.

80 {
81  /*
82  * Update the text, using text input into the nameEdit_ field.
83  */
84  greeting_->setText("Hello there, " + nameEdit_->text());
85 }
Wt::WLineEdit::text
const WString & text() const
Wt::WText::setText
bool setText(const WString &text)
HelloApplication::nameEdit_
WLineEdit * nameEdit_
Definition: hello.C:29
HelloApplication::greeting_
WText * greeting_
Definition: hello.C:30

Member Data Documentation

WText* HelloApplication::greeting_
private

Definition at line 30 of file hello.C.

WLineEdit* HelloApplication::nameEdit_
private

Definition at line 29 of file hello.C.

The documentation for this class was generated from the following file:
Generated on Mon Sep 4 2017 for the C++ Web Toolkit (Wt) by doxygen 1.8.11