focus-integration.cpp
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/*
* Copyright (c) 2020 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/table-view/table-view.h>
using namespace Dali;
using namespace Dali::Toolkit;
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 = "Focus Integration";
const Vector4 BACKGROUND_COLOUR( 1.0f, 1.0f, 1.0f, 0.15f );
// Layout sizes
const int MARGIN_SIZE = 10;
const int TOP_MARGIN = 85;
const std::string ITEMNAME[] = { "TextLabel", "TextField", "TextEditor", "PushButton", "RadioButton", "CheckBoxButton" };
} // namespace
/**
* @brief Shows how integrated DALi Focus works.
*/
class FocusIntegrationExample: public ConnectionTracker
{
public:
FocusIntegrationExample( Application& application )
: mApplication( application )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &FocusIntegrationExample::Create );
}
void Create( Application& application )
{
mWindow = application.GetWindow();
Vector2 windowSize = mWindow.GetSize();
mContentLayer = DemoHelper::CreateView( application,
mView,
mToolBar,
BACKGROUND_IMAGE,
TOOLBAR_IMAGE,
TOOLBAR_TITLE );
TableView contentTable = TableView::New(2, 1);
contentTable.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
contentTable.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
contentTable.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_LEFT);
contentTable.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_LEFT);
contentTable.SetCellPadding(Size(MARGIN_SIZE, MARGIN_SIZE * 0.5f));
contentTable.SetProperty( Actor::Property::KEYBOARD_FOCUSABLE,true);
for( unsigned int i = 0; i < contentTable.GetRows(); ++i )
{
contentTable.SetFitHeight( i );
}
contentTable.SetProperty( Actor::Property::POSITION, Vector2( 0.0f, TOP_MARGIN ));
mContentLayer.Add( contentTable );
// Create label to display which control's KeyEvent callback is called
mEventLabel = TextLabel::New("Controls don't get KeyEvent yet");
mEventLabel.SetProperty( Actor::Property::SIZE, Vector2( windowSize.width, windowSize.height*0.1f ) );
mEventLabel.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
mEventLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
mEventLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
mEventLabel.SetBackgroundColor( Color::WHITE );
contentTable.Add( mEventLabel );
mContainer = TableView::New( 4, 3 );
mContainer.SetProperty( Actor::Property::SIZE, Vector2( windowSize.width, windowSize.height*0.4f ) );
mContainer.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
mContainer.SetBackgroundColor( BACKGROUND_COLOUR );
mContainer.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
mContainer.SetRelativeHeight( 0, 0.2f);
mContainer.SetRelativeHeight( 1, 0.3f);
mContainer.SetRelativeHeight( 2, 0.2f);
mContainer.SetRelativeHeight( 3, 0.3f);
mContainer.SetProperty( Actor::Property::KEYBOARD_FOCUSABLE,true);
contentTable.Add( mContainer );
// Make name label for each controls
for(int i = 0; i < 6; i++)
{
TextLabel itemLabel = TextLabel::New( ITEMNAME[i] );
itemLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
itemLabel.SetBackgroundColor( BACKGROUND_COLOUR );
itemLabel.SetProperty( TextLabel::Property::POINT_SIZE, 14.0f );
itemLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
itemLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
mContainer.AddChild( itemLabel, TableView::CellPosition( (i/3)*2, i%3 ) );
}
TextLabel textLabel = TextLabel::New("TextLabel");
mContainer.AddChild( textLabel, TableView::CellPosition( 1, 0 ) );
TextField textField = TextField::New();
textField.SetBackgroundColor( Color::WHITE );
textField.SetProperty( TextField::Property::TEXT, "Text" );
mContainer.AddChild( textField, TableView::CellPosition( 1, 1 ) );
TextEditor textEditor = TextEditor::New();
textEditor.SetBackgroundColor( Color::WHITE );
textEditor.SetProperty( TextEditor::Property::TEXT, "Text\nText" );
mContainer.AddChild( textEditor, TableView::CellPosition( 1, 2 ) );
PushButton pushButton = PushButton::New();
mContainer.AddChild( pushButton, TableView::CellPosition( 3, 0 ) );
RadioButton radioButton = RadioButton::New();
mContainer.AddChild( radioButton, TableView::CellPosition( 3, 1 ) );
CheckBoxButton checkBoxButton = CheckBoxButton::New();
mContainer.AddChild( checkBoxButton, TableView::CellPosition( 3, 2 ) );
// Set name and keyboard focusable for each controls
for(int i = 0; i<6; i++)
{
Control control = Control::DownCast( mContainer.GetChildAt( TableView::CellPosition( (i/3)*2+1, i%3 ) ) );
control.SetProperty( Actor::Property::KEYBOARD_FOCUSABLE,true);
control.SetProperty( Dali::Actor::Property::NAME,ITEMNAME[i]);
control.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
control.KeyEventSignal().Connect( this, &FocusIntegrationExample::OnControlKeyEvent );
}
KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &FocusIntegrationExample::OnPreFocusChange );
// Respond to key events
mWindow.KeyEventSignal().Connect( this, &FocusIntegrationExample::OnKeyEvent );
}
// Callback for KeyboardFocusManager
Actor OnPreFocusChange( Actor current, Actor next, Control::KeyboardFocus::Direction direction )
{
if( !current && !next )
{
next = mContainer.GetChildAt( TableView::CellPosition( 1, 0 ) );
}
return next;
}
// Callback for each controls.
// Display current control name.
bool OnControlKeyEvent( Control control, const KeyEvent& event )
{
std::string controlName = control.GetProperty< std::string >( Dali::Actor::Property::NAME );
mEventLabel.SetProperty( TextLabel::Property::TEXT, controlName+"'s KeyEvent works\n" );
return false;
}
private:
/**
* Main key event handler
*/
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == KeyEvent::Down)
{
if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Window mWindow;
TableView mContainer;
TextLabel mEventLabel;
Toolkit::Control mView; ///< The View instance.
Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
Layer mContentLayer; ///< Content layer.
};
//
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv );
FocusIntegrationExample test( application );
application.MainLoop();
return 0;
}