1 #ifndef __DALI_TOOLKIT_INTERNAL_TEXT_LABEL_H__
2 #define __DALI_TOOLKIT_INTERNAL_TEXT_LABEL_H__
5 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali-toolkit/public-api/controls/control-impl.h>
23 #include <dali-toolkit/public-api/controls/text-controls/text-label.h>
24 #include <dali-toolkit/public-api/text/text-controller.h>
25 #include <dali-toolkit/public-api/text/rendering/text-renderer.h>
37 * @brief A control which renders a short text string.
39 class TextLabel : public Control, public Text::ControlInterface
46 TEXTLABEL_PROPERTY_START_INDEX = Control::CONTROL_PROPERTY_END_INDEX + 1,
47 TEXTLABEL_PROPERTY_END_INDEX = TEXTLABEL_PROPERTY_START_INDEX + 1000 ///< Reserving 1000 property indices
51 * @copydoc Dali::Toollkit::TextLabel::New()
53 static Toolkit::TextLabel New();
58 * Called when a property of an object of this type is set.
59 * @param[in] object The object whose property is set.
60 * @param[in] index The property index.
61 * @param[in] value The new property value.
63 static void SetProperty( BaseObject* object, Property::Index index, const Property::Value& value );
66 * Called to retrieve a property of an object of this type.
67 * @param[in] object The object whose property is to be retrieved.
68 * @param[in] index The property index.
69 * @return The current value of the property.
71 static Property::Value GetProperty( BaseObject* object, Property::Index index );
73 private: // From Control
76 * @copydoc Control::OnInitialize()
78 virtual void OnInitialize();
81 * @copydoc Control::OnInitialize()
83 virtual void OnRelayout( const Vector2& size, ActorSizeContainer& container );
86 * @copydoc Control::GetNaturalSize()
88 virtual Vector3 GetNaturalSize();
91 * @copydoc Control::GetHeightForWidth()
93 virtual float GetHeightForWidth( float width );
96 * @copydoc Text::ControlInterface::RequestTextRelayout()
98 virtual void RequestTextRelayout();
100 private: // Implementation
103 * Construct a new TextLabel.
108 * A reference counted object may only be deleted by calling Unreference()
110 virtual ~TextLabel();
114 // Undefined copy constructor and assignment operators
115 TextLabel(const TextLabel&);
116 TextLabel& operator=(const TextLabel& rhs);
120 Text::ControllerPtr mController;
121 Text::RendererPtr mRenderer;
123 unsigned int mRenderingBackend;
126 } // namespace Internal
128 // Helpers for public-api forwarding methods
130 inline Toolkit::Internal::TextLabel& GetImpl( Toolkit::TextLabel& textLabel )
132 DALI_ASSERT_ALWAYS(textLabel);
134 Dali::RefObject& handle = textLabel.GetImplementation();
136 return static_cast<Toolkit::Internal::TextLabel&>(handle);
139 inline const Toolkit::Internal::TextLabel& GetImpl( const Toolkit::TextLabel& textLabel )
141 DALI_ASSERT_ALWAYS(textLabel);
143 const Dali::RefObject& handle = textLabel.GetImplementation();
145 return static_cast<const Toolkit::Internal::TextLabel&>(handle);
148 } // namespace Toolkit
152 #endif // __DALI_TOOLKIT_INTERNAL_TEXT_LABEL_H__