progress-bar-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 "shared/view.h"
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/progress-bar/progress-bar.h>
using namespace Dali;
using namespace Dali::Toolkit;
using Dali::Toolkit::ProgressBar;
namespace
{
const char* const BACKGROUND_IMAGE = DEMO_IMAGE_DIR "background-gradient.jpg";
const char* const TOOLBAR_IMAGE = DEMO_IMAGE_DIR "top-bar.png";
const char* const TOOLBAR_TITLE = "Progress Bar";
const Vector4 BACKGROUND_COLOUR( 1.0f, 1.0f, 1.0f, 0.15f );
// Layout sizes
const int MARGIN_SIZE = 10;
const int TOP_MARGIN = 85;
} // namespace
/** This example shows how to create and use PROGRESS BAR.
*/
class ProgressBarExample: public ConnectionTracker
{
public:
ProgressBarExample( Application& application )
: mApplication( application )
{
// Connect to the Application's Init signal
mProgressValue = 0.0f;
mApplication.InitSignal().Connect( this, &ProgressBarExample::Create );
}
~ProgressBarExample()
{
// Nothing to do here
}
void Create( Application& application )
{
// The Init signal is received once (only) during the Application lifetime
// Respond to key events
Stage::GetCurrent().KeyEventSignal().Connect( this, &ProgressBarExample::OnKeyEvent );
// Creates a default view with a default tool bar.
// The view is added to the stage.
mContentLayer = DemoHelper::CreateView( application,
mView,
mToolBar,
BACKGROUND_IMAGE,
TOOLBAR_IMAGE,
TOOLBAR_TITLE );
mProgressBar = ProgressBar::New();
mProgressBar.SetParentOrigin(ParentOrigin::TOP_CENTER);
mProgressBar.SetAnchorPoint(AnchorPoint::TOP_CENTER);
mProgressBar.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
mProgressBar.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
Toolkit::TableView contentTable = Toolkit::TableView::New(2, 1);
contentTable.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
contentTable.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
contentTable.SetAnchorPoint(AnchorPoint::TOP_LEFT);
contentTable.SetParentOrigin(ParentOrigin::TOP_LEFT);
contentTable.SetCellPadding(Size(MARGIN_SIZE, MARGIN_SIZE * 0.5f));
for( unsigned int i = 0; i < contentTable.GetRows(); ++i )
{
contentTable.SetFitHeight( i );
}
contentTable.SetPosition( 0.0f, TOP_MARGIN );
mContentLayer.Add( contentTable );
// Image selector for progress bar
Toolkit::TableView progressBackground = Toolkit::TableView::New( 1, 1 );
progressBackground.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
progressBackground.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
progressBackground.SetBackgroundColor( BACKGROUND_COLOUR );
progressBackground.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
progressBackground.SetRelativeWidth( 0, 1.0f );
progressBackground.SetFitHeight( 0 );
contentTable.Add( progressBackground );
progressBackground.Add( mProgressBar );
// Create buttons
Toolkit::TableView buttonBackground = Toolkit::TableView::New( 2, 1 );
buttonBackground.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
buttonBackground.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
buttonBackground.SetBackgroundColor( BACKGROUND_COLOUR );
buttonBackground.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
for( unsigned int i = 0; i < buttonBackground.GetRows(); ++i )
{
buttonBackground.SetFitHeight( i );
}
contentTable.Add( buttonBackground );
mSetProgressButton = Toolkit::PushButton::New();
mSetProgressButton.SetLabelText( "Set Progress" );
mSetProgressButton.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
mSetProgressButton.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
mSetProgressButton.ClickedSignal().Connect( this, &ProgressBarExample::OnSetProgressButtonSelected );
buttonBackground.Add( mSetProgressButton );
mResetProgressButton = Toolkit::PushButton::New();
mResetProgressButton.SetLabelText( "Reset Progress" );
mResetProgressButton.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
mResetProgressButton.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
mResetProgressButton.ClickedSignal().Connect( this, &ProgressBarExample::OnResetProgressButtonSelected );
buttonBackground.Add( mResetProgressButton );
}
bool OnResetProgressButtonSelected( Toolkit::Button button )
{
mProgressValue = 0.0f;
mProgressBar.SetProperty(ProgressBar::Property::PROGRESS_VALUE, 0.0f);
return true;
}
bool OnSetProgressButtonSelected( Toolkit::Button button )
{
mProgressValue += 0.1f;
mProgressBar.SetProperty(ProgressBar::Property::PROGRESS_VALUE, mProgressValue);
return true;
}
void OnKeyEvent( const KeyEvent& event )
{
if( event.state == KeyEvent::Down )
{
if( IsKey( event, Dali::DALI_KEY_ESCAPE ) || IsKey( event, Dali::DALI_KEY_BACK ) )
{
// Exit application when click back or escape.
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Toolkit::Control mView; ///< The View instance.
Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
Layer mContentLayer; ///< Content layer.
ProgressBar mProgressBar;
Toolkit::PushButton mSetProgressButton;
Toolkit::PushButton mResetProgressButton;
float mProgressValue;
};
void RunTest( Application& application )
{
ProgressBarExample test( application );
application.MainLoop();
}
// Entry point for Linux & Tizen applications
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
RunTest( application );
return 0;
}