2 * Copyright (c) 2020 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.
19 * @file text-label-example.cpp
20 * @brief Basic usage of TextLabel control
24 #include <dali-toolkit/dali-toolkit.h>
25 #include <dali-toolkit/devel-api/controls/table-view/table-view.h>
28 #include "shared/multi-language-strings.h"
29 #include "shared/view.h"
32 using namespace Dali::Toolkit;
33 using namespace MultiLanguageStrings;
36 * @brief The main class of the demo.
38 class TextLabelMultiLanguageExample : public ConnectionTracker
42 TextLabelMultiLanguageExample( Application& application )
43 : mApplication( application ),
46 // Connect to the Application's Init signal
47 mApplication.InitSignal().Connect( this, &TextLabelMultiLanguageExample::Create );
50 ~TextLabelMultiLanguageExample()
52 // Nothing to do here.
56 * One-time setup in response to Application InitSignal.
58 void Create( Application& application )
60 Window window = application.GetWindow();
62 window.KeyEventSignal().Connect(this, &TextLabelMultiLanguageExample::OnKeyEvent);
63 window.SetBackgroundColor( Color::WHITE );
65 mTableView = Toolkit::TableView::New( NUMBER_OF_LANGUAGES, 1 );
66 mTableView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
67 mTableView.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
68 mTableView.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT );
69 mTableView.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT );
70 mTableView.TouchSignal().Connect( this, &TextLabelMultiLanguageExample::OnTouch );
71 window.Add( mTableView );
73 for( unsigned int index = 0u; index < NUMBER_OF_LANGUAGES; ++index )
75 const Language& language = LANGUAGES[index];
77 TextLabel label = TextLabel::New();
78 label.SetProperty( TextLabel::Property::MULTI_LINE, true );
80 const std::string text = language.languageName + " " + language.languageRomanName + " " + language.text;
81 label.SetProperty( TextLabel::Property::TEXT, text );
83 mTableView.SetFitHeight( index );
84 mTableView.AddChild( label, Toolkit::TableView::CellPosition( index, 0 ) );
88 bool OnTouch( Actor actor, const TouchData& event )
90 if( 1u == event.GetPointCount() )
92 const PointState::Type state = event.GetState( 0 );
94 // Clamp to integer values; this is to reduce flicking due to pixel misalignment
95 const float localPoint = static_cast<float>( static_cast<int>( event.GetLocalPosition( 0 ).y ) );
97 if( PointState::DOWN == state )
99 mLastPoint = localPoint;
100 mAnimation = Animation::New( 0.25f );
102 else if( PointState::MOTION == state )
106 mAnimation.AnimateBy( Property(mTableView, Actor::Property::POSITION), Vector3( 0.f, localPoint - mLastPoint, 0.f ), AlphaFunction::LINEAR );
108 mLastPoint = localPoint;
117 * Main key event handler
119 void OnKeyEvent(const KeyEvent& event)
121 if(event.state == KeyEvent::Down)
123 if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
132 Application& mApplication;
133 TableView mTableView;
134 Animation mAnimation;
138 int DALI_EXPORT_API main( int argc, char **argv )
140 Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
141 TextLabelMultiLanguageExample test( application );
142 application.MainLoop();