#define DALI_TOOLKIT_INTERNAL_TEXT_LABEL_H
/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
*/
// EXTERNAL INCLUDES
+#include <dali/devel-api/atspi-interfaces/hypertext.h>
+#include <dali/devel-api/atspi-interfaces/text.h>
#include <dali/public-api/object/property-map.h>
// INTERNAL INCLUDES
public:
/**
* @copydoc Dali::Toollkit::TextLabel::New()
+ * @param[in] additionalBehaviour custom behavior flags for this TextLabel. Default is CONTROL_BEHAVIOUR_DEFAULT
*/
- static Toolkit::TextLabel New();
+ static Toolkit::TextLabel New(ControlBehaviour additionalBehaviour = ControlBehaviour::CONTROL_BEHAVIOUR_DEFAULT);
// Properties
DevelTextLabel::AnchorClickedSignalType& AnchorClickedSignal();
/**
+ * @copydoc Dali::Toollkit::TextLabel::TextFitChangedSignal()
+ */
+ DevelTextLabel::TextFitChangedSignalType& TextFitChangedSignal();
+
+ /**
* Connects a callback function with the object's signals.
* @param[in] object The object providing the signal.
* @param[in] tracker Used to disconnect the signal.
*/
static bool DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor);
- Text::ControllerPtr getController();
+ /**
+ * @brief Gets text controller
+ *
+ * @return The text controller
+ */
+ Text::ControllerPtr GetTextController();
+
+ /**
+ * @brief Get the rendered size of a specific text range.
+ * if the requested text is at multilines, multiple sizes will be returned for each text located in a separate line.
+ * if a line contains characters with different directions, multiple sizes will be returned for each block of contiguous characters with the same direction.
+ *
+ * @param[in] startIndex start index of the text requested to calculate size for.
+ * @param[in] endIndex end index(included) of the text requested to calculate size for.
+ * @return list of sizes of the reuested text.
+ */
+ Vector<Vector2> GetTextSize(const uint32_t startIndex, const uint32_t endIndex) const;
+
+ /**
+ * @brief Get the top/left rendered position of a specific text range.
+ * if the requested text is at multilines, multiple positions will be returned for each text located in a separate line.
+ * if a line contains characters with different directions, multiple positions will be returned for each block of contiguous characters with the same direction.
+ *
+ * @param[in] startIndex start index of the text requested to get position to.
+ * @param[in] endIndex end index(included) of the text requested to get position to.
+ * @return list of positions of the requested text.
+ */
+ Vector<Vector2> GetTextPosition(const uint32_t startIndex, const uint32_t endIndex) const;
private: // From Control
/**
private: // Implementation
/**
* Construct a new TextLabel.
+ *
+ * @param[in] additionalBehaviour additional behaviour flags for this TextLabel
*/
- TextLabel();
+ TextLabel(ControlBehaviour additionalBehaviour);
/**
* A reference counted object may only be deleted by calling Unreference()
return mTextScroller;
}
+ /**
+ * @brief Callback function for when the layout is changed.
+ * @param[in] actor The actor whose layoutDirection is changed.
+ * @param[in] type The layoutDirection.
+ */
+ void OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type);
+
+ /**
+ * @brief Emits TextFitChanged signal.
+ */
+ void EmitTextFitChangedSignal();
+ void OnAccessibilityStatusChanged();
+
private: // Data
Text::ControllerPtr mController;
Text::TextScrollerPtr mTextScroller;
Toolkit::Visual::Base mVisual;
+ std::vector<Toolkit::TextAnchor> mAnchorActors;
+
// Signals
- Toolkit::DevelTextLabel::AnchorClickedSignalType mAnchorClickedSignal;
+ Toolkit::DevelTextLabel::AnchorClickedSignalType mAnchorClickedSignal;
+ Toolkit::DevelTextLabel::TextFitChangedSignalType mTextFitChangedSignal;
int mRenderingBackend;
bool mTextUpdateNeeded : 1;
protected:
- struct AccessibleImpl : public DevelControl::AccessibleImpl,
- public virtual Dali::Accessibility::Text
+ /**
+ * @brief This structure is to connect TextLabel with Accessible functions.
+ */
+ struct AccessibleImpl : public DevelControl::ControlAccessible,
+ public virtual Dali::Accessibility::Text,
+ public virtual Dali::Accessibility::Hypertext
{
- using DevelControl::AccessibleImpl::AccessibleImpl;
-
- std::string GetText(size_t startOffset, size_t endOffset) override;
- size_t GetCharacterCount() override;
- size_t GetCaretOffset() override;
- bool SetCaretOffset(size_t offset) override;
- Accessibility::Range GetTextAtOffset(size_t offset, Accessibility::TextBoundary boundary) override;
- Accessibility::Range GetSelection(size_t selectionNum) override;
- bool RemoveSelection(size_t selectionNum) override;
- bool SetSelection(size_t selectionNum, size_t startOffset, size_t endOffset) override;
- std::string GetNameRaw() override;
- Property::Index GetNamePropertyIndex() override;
+ using DevelControl::ControlAccessible::ControlAccessible;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetText()
+ */
+ std::string GetText(size_t startOffset, size_t endOffset) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetCharacterCount()
+ */
+ size_t GetCharacterCount() const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetCursorOffset()
+ */
+ size_t GetCursorOffset() const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::SetCursorOffset()
+ */
+ bool SetCursorOffset(size_t offset) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetTextAtOffset()
+ */
+ Accessibility::Range GetTextAtOffset(size_t offset, Accessibility::TextBoundary boundary) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetRangeOfSelection()
+ */
+ Accessibility::Range GetRangeOfSelection(size_t selectionIndex) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::RemoveSelection()
+ */
+ bool RemoveSelection(size_t selectionIndex) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::SetRangeOfSelection()
+ */
+ bool SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset) override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetNameRaw()
+ */
+ std::string GetNameRaw() const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Text::GetNamePropertyIndex()
+ */
+ Property::Index GetNamePropertyIndex() override;
+
+ /**
+ * @copydoc Dali::Accessibility::Hypertext::GetLink()
+ */
+ Accessibility::Hyperlink* GetLink(int32_t linkIndex) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Hypertext::GetLinkIndex()
+ */
+ int32_t GetLinkIndex(int32_t characterOffset) const override;
+
+ /**
+ * @copydoc Dali::Accessibility::Hypertext::GetLinkCount()
+ */
+ int32_t GetLinkCount() const override;
};
};
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