tilt-example.cpp
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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <dali-toolkit/dali-toolkit.h>
#include <dali/devel-api/adaptor-framework/tilt-sensor.h>
using namespace Dali;
using Dali::Toolkit::TextLabel;
// This example shows how to use sensor using a simple TextLabel
//
class TiltController : public ConnectionTracker
{
public:
TiltController( Application& application )
: mApplication( application )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &TiltController::Create );
}
~TiltController()
{
// Nothing to do here;
}
// The Init signal is received once (only) during the Application lifetime
void Create( Application& application )
{
// Get a handle to the stage
Stage stage = Stage::GetCurrent();
stage.SetBackgroundColor( Color::BLUE);
mTextLabel = TextLabel::New( "Tilt Sensor Demo" );
mTextLabel.SetParentOrigin( ParentOrigin::CENTER );
mTextLabel.SetAnchorPoint( AnchorPoint::CENTER );
mTextLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
mTextLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
mTextLabel.SetProperty( TextLabel::Property::TEXT_COLOR, Color::WHITE );
mTextLabel.SetProperty( TextLabel::Property::POINT_SIZE, 15.0f );
mTextLabel.SetName( "tiltLabel" );
stage.Add( mTextLabel );
// Respond to a click anywhere on the stage
stage.GetRootLayer().TouchSignal().Connect( this, &TiltController::OnTouch );
CreateSensor();
// Connect signals to allow Back and Escape to exit.
stage.KeyEventSignal().Connect( this, &TiltController::OnKeyEvent );
}
void CreateSensor()
{
mTiltSensor = TiltSensor::Get();
if ( mTiltSensor.Enable() )
{
// Get notifications when the device is tilted
mTiltSensor.TiltedSignal().Connect( this, &TiltController::OnTilted );
}
}
bool OnTouch( Actor actor, const TouchData& touch )
{
// quit the application
mApplication.Quit();
return true;
}
void OnTilted(const TiltSensor& sensor)
{
Quaternion pitchRot(Radian(Degree(sensor.GetPitch() * 90.0f)), Vector3(1, 0, 0));
Quaternion rollRot(Radian(Degree(sensor.GetRoll() * 90.0f)), Vector3(0, 1, 0));
mTextLabel.SetOrientation(Quaternion());
mTextLabel.RotateBy(rollRot);
mTextLabel.RotateBy(pitchRot);;
}
/**
* @brief OnKeyEvent signal handler.
* @param[in] event The key event information
*/
void OnKeyEvent( const KeyEvent& event )
{
if( event.state == KeyEvent::Down )
{
if ( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
TiltSensor mTiltSensor;
TextLabel mTextLabel;
};
// Entry point for Linux & Tizen applications
//
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv );
TiltController test( application );
application.MainLoop();
return 0;
}