Wt examples  4.10.4
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ChatApplication Class Reference

A chat demo application. More...

Inheritance diagram for ChatApplication:
[legend]

Public Member Functions

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

Private Member Functions

void addChatWidget ()
 Add another chat client.
 
void javaScriptTest ()
 
void emptyFunc ()
 

Private Attributes

SimpleChatServerserver_
 
Wt::WText * javaScriptError_
 
const Wt::WEnvironment & env_
 
std::unique_ptr< Wt::WTimer > timer_
 

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.

47 : WApplication(env),
48 server_(server),
49 env_(env)
50{
51 setTitle("Wt Chat");
52 useStyleSheet("chatapp.css");
53
54 messageResourceBundle().use(appRoot() + "simplechat");
55
57
58 root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("introduction")));
59
60 SimpleChatWidget *chatWidget =
61 root()->addWidget(std::make_unique<SimpleChatWidget>(server_));
62 chatWidget->setStyleClass("chat");
63
64 root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("details")));
65
66 Wt::WPushButton *b =
67 root()->addWidget(std::make_unique<Wt::WPushButton>("I'm schizophrenic ..."));
68 b->clicked().connect(b, &Wt::WPushButton::hide);
69 b->clicked().connect(this, &ChatApplication::addChatWidget);
70}
void addChatWidget()
Add another chat client.
Definition simpleChat.C:90
SimpleChatServer & server_
Definition simpleChat.C:33
const Wt::WEnvironment & env_
Definition simpleChat.C:35
void javaScriptTest()
Definition simpleChat.C:72
A self-contained chat widget.

Member Function Documentation

◆ addChatWidget()

void ChatApplication::addChatWidget ( )
private

Add another chat client.

Definition at line 90 of file simpleChat.C.

91{
92 SimpleChatWidget *chatWidget2 =
93 root()->addWidget(std::make_unique<SimpleChatWidget>(server_));
94 chatWidget2->setStyleClass("chat");
95}

◆ 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.

73{
74 if(!env_.javaScript()){
76 root()->addWidget(std::make_unique<Wt::WText>(Wt::WString::tr("serverpushwarning")));
77
78 // The 5 second timer is a fallback for real server push. The updated
79 // server state will piggy back on the response to this timeout.
80 timer_ = std::make_unique<Wt::WTimer>();
81 timer_->setInterval(std::chrono::milliseconds{5000});
82 timer_->timeout().connect(this, &ChatApplication::emptyFunc);
83 timer_->start();
84 }
85}
Wt::WText * javaScriptError_
Definition simpleChat.C:34
std::unique_ptr< Wt::WTimer > timer_
Definition simpleChat.C:36

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: