layouting-examples.cpp
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/*
* Copyright (c) 2018 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 <string>
#include "shared/view.h"
#include "linear-example.h"
#include "padding-example.h"
#include <dali/dali.h>
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/control-devel.h>
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
const char* BACKGROUND_IMAGE( DEMO_IMAGE_DIR "lake_front.jpg" );
const char* TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
const char* APPLICATION_TITLE( "Layout tester" );
} // namespace
class LayoutingExample: public ConnectionTracker
{
public:
LayoutingExample( Application& application )
: mApplication( application ),
mLinearExample(),
mPaddedExample(),
mLayoutIndex( 0 )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &LayoutingExample::Create );
}
~LayoutingExample()
{
// Nothing to do here
}
void Create( Application& application )
{
// The Init signal is received once (only) during the Application lifetime
auto stage = Stage::GetCurrent();
stage.KeyEventSignal().Connect( this, &LayoutingExample::OnKeyEvent );
auto bg = ImageView::New( BACKGROUND_IMAGE );
bg.SetParentOrigin( ParentOrigin::CENTER );
stage.Add( bg );
auto toolbar = ImageView::New( TOOLBAR_IMAGE );
toolbar.SetParentOrigin( ParentOrigin::TOP_CENTER );
toolbar.SetAnchorPoint( AnchorPoint::TOP_CENTER );
toolbar.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
toolbar.SetProperty( Actor::Property::SIZE_HEIGHT, 50.0f);
stage.Add( toolbar );
auto title = TextLabel::New( APPLICATION_TITLE );
title.SetParentOrigin( ParentOrigin::CENTER );
title.SetAnchorPoint( AnchorPoint::CENTER );
title.SetProperty( TextLabel::Property::TEXT_COLOR, Color::BLUE );
title.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, HorizontalAlignment::LEFT );
toolbar.Add( title );
mNextLayout = PushButton::New();
mNextLayout.SetProperty( Toolkit::Button::Property::LABEL, "change layout");
mNextLayout.ClickedSignal().Connect( this, &LayoutingExample::ChangeLayout );
mNextLayout.SetParentOrigin( ParentOrigin::TOP_RIGHT );
mNextLayout.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
mNextLayout.SetSize(175, 50);
toolbar.Add( mNextLayout );
mLinearExample.Demo::LinearExample::Create();
}
bool ChangeLayout( Button button )
{
mLayoutIndex++;
switch( mLayoutIndex )
{
case 1 :
{
mLinearExample.Remove();
mPaddedExample.Create();
break;
}
case 2 :
{
mPaddedExample.Remove();
mNextLayout.SetProperty( Toolkit::Button::Property::LABEL, "end of test");
mNextLayout.SetProperty( Toolkit::Button::Property::DISABLED, true );
break;
}
default :
{
break;
}
}
return true;
}
private:
/**
* Main key event handler
*/
void OnKeyEvent(const KeyEvent& event)
{
if(event.state == KeyEvent::Down)
{
if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Demo::LinearExample mLinearExample;
Demo::PaddingExample mPaddedExample;
PushButton mNextLayout;
unsigned int mLayoutIndex;
};
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
LayoutingExample test( application );
application.MainLoop();
return 0;
};