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
41 TextLabelMultiLanguageExample(Application& application)
42 : mApplication(application),
45 // Connect to the Application's Init signal
46 mApplication.InitSignal().Connect(this, &TextLabelMultiLanguageExample::Create);
49 ~TextLabelMultiLanguageExample()
51 // Nothing to do here.
55 * One-time setup in response to Application InitSignal.
57 void Create(Application& application)
59 Window window = application.GetWindow();
61 window.KeyEventSignal().Connect(this, &TextLabelMultiLanguageExample::OnKeyEvent);
62 window.SetBackgroundColor(Color::WHITE);
64 mTableView = Toolkit::TableView::New(NUMBER_OF_LANGUAGES, 1);
65 mTableView.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
66 mTableView.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
67 mTableView.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
68 mTableView.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
69 mTableView.TouchedSignal().Connect(this, &TextLabelMultiLanguageExample::OnTouch);
70 window.Add(mTableView);
72 for(unsigned int index = 0u; index < NUMBER_OF_LANGUAGES; ++index)
74 const Language& language = LANGUAGES[index];
76 TextLabel label = TextLabel::New();
77 label.SetProperty(TextLabel::Property::MULTI_LINE, true);
79 const std::string text = language.languageName + " " + language.languageRomanName + " " + language.text;
80 label.SetProperty(TextLabel::Property::TEXT, text);
82 mTableView.SetFitHeight(index);
83 mTableView.AddChild(label, Toolkit::TableView::CellPosition(index, 0));
87 bool OnTouch(Actor actor, const TouchEvent& event)
89 if(1u == event.GetPointCount())
91 const PointState::Type state = event.GetState(0);
93 // Clamp to integer values; this is to reduce flicking due to pixel misalignment
94 const float localPoint = static_cast<float>(static_cast<int>(event.GetLocalPosition(0).y));
96 if(PointState::DOWN == state)
98 mLastPoint = localPoint;
99 mAnimation = Animation::New(0.25f);
101 else if(PointState::MOTION == state)
105 mAnimation.AnimateBy(Property(mTableView, Actor::Property::POSITION), Vector3(0.f, localPoint - mLastPoint, 0.f), AlphaFunction::LINEAR);
107 mLastPoint = localPoint;
116 * Main key event handler
118 void OnKeyEvent(const KeyEvent& event)
120 if(event.GetState() == KeyEvent::DOWN)
122 if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
130 Application& mApplication;
131 TableView mTableView;
132 Animation mAnimation;
136 int DALI_EXPORT_API main(int argc, char** argv)
138 Application application = Application::New(&argc, &argv, DEMO_THEME_PATH);
139 TextLabelMultiLanguageExample test(application);
140 application.MainLoop();