2 * Copyright (c) 2017 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>
19 #include <dali/devel-api/actors/actor-devel.h>
24 using namespace Dali::Toolkit;
28 const int TABLE_VIEW_ROWS = 5;
29 const int TABLE_VIEW_COLUMNS = 3;
30 const Vector3 TABLE_VIEW_SIZE_MODE_FACTOR( 0.6f, 0.6f, 1.0f );
32 const Quaternion ANIMATION_ROTATION( Degree( 360.0f), Vector3::ZAXIS );
33 const AlphaFunction::BuiltinFunction ROTATION_ANIMATION_ALPHA_FUNCTION( AlphaFunction::EASE_IN_OUT );
34 const TimePeriod ROTATION_ANIMATION_TIME_PERIOD( 0.0f, 0.5f );
36 const Vector3 ANIMATION_SCALE( 2.0f, 2.0f, 1.0f );
37 const AlphaFunction::BuiltinFunction SCALE_ANIMATION_ALPHA_FUNCTION( AlphaFunction::SIN );
38 const TimePeriod SCALE_ANIMATION_TIME_PERIOD( 0.15f, 0.85f );
39 } // unnamed namespace
42 * @brief Demonstrates how to animate a control in a layout-container using the anchor point as the pivot.
44 * Positions of the controls in the layout-container will be set using the top-left of the control.
46 class PivotController : public ConnectionTracker
52 * @param[in] application Reference to the application instance.
54 PivotController( Application& application )
55 : mApplication( application )
57 mApplication.InitSignal().Connect( this, &PivotController::Create );
63 * @brief The Init signal is received once (only) during the Application lifetime.
65 void Create( Application& /* application */ )
67 // Get a handle to the stage
68 Stage stage = Stage::GetCurrent();
69 stage.SetBackgroundColor( Color::WHITE );
70 stage.KeyEventSignal().Connect( this, &PivotController::OnKeyEvent );
72 // Create a table view.
73 TableView tableView = TableView::New( TABLE_VIEW_ROWS, TABLE_VIEW_COLUMNS );
74 tableView.SetAnchorPoint( AnchorPoint::CENTER );
75 tableView.SetParentOrigin( ParentOrigin::CENTER );
76 tableView.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
77 tableView.SetSizeModeFactor( TABLE_VIEW_SIZE_MODE_FACTOR );
78 stage.Add( tableView );
80 // Create a tap detector - we are going to rotate an actor round our anchor-point (pivot) when one of our controls is tapped.
81 mTapDetector = TapGestureDetector::New();
82 mTapDetector.DetectedSignal().Connect( this, &PivotController::OnTap );
84 Vector3 anchorPoint( AnchorPoint::CENTER ); // This will be changed depending on the row and column.
86 // Add controls to the table-view - each control will have a random color.
87 for( int row = 0; row < TABLE_VIEW_ROWS; ++row )
89 anchorPoint.y = ( row % TABLE_VIEW_ROWS ) * ( 1.0f / ( TABLE_VIEW_ROWS - 1 ) ); // Calculate this row's y anchor-point.
91 for( int column = 0; column < TABLE_VIEW_COLUMNS; ++column )
93 anchorPoint.x = ( column % TABLE_VIEW_COLUMNS ) * ( 1.0f / ( TABLE_VIEW_COLUMNS - 1 ) ); // Calculate this column's x anchor-point.
95 // Create a control with a randomly chosen background color.
96 Control control = Control::New();
97 control.SetBackgroundColor( Vector4( Random::Range( 0.0f, 1.0f ), Random::Range( 0.0f, 1.0f ), Random::Range( 0.0f, 1.0f ), 1.0f ) );
98 control.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
99 control.SetProperty( DevelActor::Property::POSITION_USES_ANCHOR_POINT, false ); // Ensures the position always uses top-left for its calculations.
100 control.SetAnchorPoint( anchorPoint ); // This anchor-point is used for the rotation and the scale.
102 // Add to the table-view
103 tableView.AddChild( control, TableView::CellPosition( row, column ) );
105 // Attach each control to the tap-detector so we can start the animation around our anchor point.
106 mTapDetector.Attach( control );
112 * @brief Called when a control is tapped.
114 * Here we will start an animation around our pivot.
116 void OnTap( Actor actor, const TapGesture& /* tap */ )
118 // Raise the actor to the top.
121 // Create the animation to rotate and scale our actor.
122 Animation animation = Animation::New( 1.0f );
123 animation.AnimateBy( Property( actor, Actor::Property::ORIENTATION ), ANIMATION_ROTATION, ROTATION_ANIMATION_ALPHA_FUNCTION, ROTATION_ANIMATION_TIME_PERIOD );
124 animation.AnimateTo( Property( actor, Actor::Property::SCALE ), ANIMATION_SCALE, SCALE_ANIMATION_ALPHA_FUNCTION, SCALE_ANIMATION_TIME_PERIOD );
126 // Play the animation.
131 * @brief Called when any key event is received
133 * Will use this to quit the application if Back or the Escape key is received
134 * @param[in] event The key event information
136 void OnKeyEvent( const KeyEvent& event )
138 if( event.state == KeyEvent::Down )
140 if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
149 Application& mApplication; ///< Reference to the Application instance.
150 TapGestureDetector mTapDetector; ///< Used for animating the tapped control.
153 int DALI_EXPORT_API main( int argc, char **argv )
155 Application application = Application::New( &argc, &argv );
156 PivotController test( application );
157 application.MainLoop();