2 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <dali-toolkit/dali-toolkit.h>
21 using Dali::Toolkit::TextLabel;
23 // This example shows how to create and display Hello World! using a simple TextActor
25 class HelloWorldController : public ConnectionTracker
29 HelloWorldController( Application& application )
30 : mApplication( application )
32 // Connect to the Application's Init signal
33 mApplication.InitSignal().Connect( this, &HelloWorldController::Create );
36 ~HelloWorldController() = default; // Nothing to do in destructor
38 // The Init signal is received once (only) during the Application lifetime
39 void Create( Application& application )
41 // Get a handle to the window
42 Window window = application.GetWindow();
43 window.SetBackgroundColor( Color::WHITE );
45 TextLabel textLabel = TextLabel::New( "Hello World" );
46 textLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT );
47 textLabel.SetProperty( Dali::Actor::Property::NAME, "helloWorldLabel" );
48 window.Add( textLabel );
50 // Respond to a touch anywhere on the window
51 window.GetRootLayer().TouchedSignal().Connect( this, &HelloWorldController::OnTouch );
53 // Respond to key events
54 window.KeyEventSignal().Connect( this, &HelloWorldController::OnKeyEvent );
57 bool OnTouch( Actor actor, const TouchEvent& touch )
59 // quit the application
64 void OnKeyEvent( const KeyEvent& event )
66 if( event.GetState() == KeyEvent::DOWN )
68 if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
76 Application& mApplication;
79 int DALI_EXPORT_API main( int argc, char **argv )
81 Application application = Application::New( &argc, &argv );
82 HelloWorldController test( application );
83 application.MainLoop();