2 * Copyright (c) 2018 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()
38 // Nothing to do here;
41 // The Init signal is received once (only) during the Application lifetime
42 void Create( Application& application )
44 // Get a handle to the stage
45 Stage stage = Stage::GetCurrent();
46 stage.SetBackgroundColor( Color::WHITE );
48 TextLabel textLabel = TextLabel::New( "Hello World" );
49 textLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT );
50 textLabel.SetProperty( Dali::Actor::Property::NAME, "helloWorldLabel" );
51 stage.Add( textLabel );
54 Actor parent = Actor::New();
55 Vector4 parentColor( 1.0f, 0.5f, 0.0f, 0.8f );
56 parent.SetProperty( Actor::Property::COLOR, parentColor );
57 Stage::GetCurrent().Add( parent );
59 Actor child = Actor::New();
60 Vector4 childColor( 0.5f, 0.6f, 0.5f, 1.0f );
61 child.SetProperty( Actor::Property::COLOR, childColor );
64 std::string colorMode = static_cast<std::string>( child.GetProperty< std::string >( Actor::Property::COLOR_MODE ) );
65 printf("color mode: %s, should be: %d\n", colorMode.c_str(), ColorMode::USE_OWN_MULTIPLY_PARENT_ALPHA );
67 child.SetProperty( Actor::Property::COLOR_MODE, ColorMode::USE_PARENT_COLOR );
68 colorMode = static_cast<std::string>( child.GetProperty< std::string >( Actor::Property::COLOR_MODE ) );
69 printf("color mode: %s, should be: %d\n", colorMode.c_str(), ColorMode::USE_PARENT_COLOR );
71 // Respond to a click anywhere on the stage
72 stage.GetRootLayer().TouchSignal().Connect( this, &HelloWorldController::OnTouch );
74 // Respond to key events
75 stage.KeyEventSignal().Connect( this, &HelloWorldController::OnKeyEvent );
78 bool OnTouch( Actor actor, const TouchData& touch )
80 // quit the application
85 void OnKeyEvent( const KeyEvent& event )
87 if( event.state == KeyEvent::Down )
89 if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
97 Application& mApplication;
100 int DALI_EXPORT_API main( int argc, char **argv )
102 Application application = Application::New( &argc, &argv );
103 HelloWorldController test( application );
104 application.MainLoop();