#define DALI_TOOLKIT_INTERNAL_TEXT_EDITOR_H
/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 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/adaptor-framework/accessibility.h>
+#include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
+#include <dali/devel-api/adaptor-framework/input-method-context.h>
+#include <dali/public-api/animation/animation.h>
+
// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/control-impl.h>
-#include <dali-toolkit/public-api/controls/text-controls/text-editor.h>
-#include <dali-toolkit/internal/text/clipping/text-clipper.h>
+#include <dali-toolkit/devel-api/controls/control-devel.h>
+#include <dali-toolkit/devel-api/controls/scroll-bar/scroll-bar.h>
+#include <dali-toolkit/devel-api/controls/text-controls/text-editor-devel.h>
+#include <dali-toolkit/internal/controls/control/control-data-impl.h>
#include <dali-toolkit/internal/text/decorator/text-decorator.h>
+#include <dali-toolkit/internal/text/rendering/text-renderer.h>
#include <dali-toolkit/internal/text/text-control-interface.h>
-#include <dali-toolkit/internal/text/text-editable-control-interface.h>
#include <dali-toolkit/internal/text/text-controller.h>
-#include <dali-toolkit/internal/text/rendering/text-renderer.h>
-
-// EXTERNAL INCLUDES
-#include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
+#include <dali-toolkit/internal/text/text-editable-control-interface.h>
+#include <dali-toolkit/internal/text/text-selectable-control-interface.h>
+#include <dali-toolkit/internal/text/text-vertical-scroller.h>
+#include <dali-toolkit/public-api/controls/control-impl.h>
+#include <dali-toolkit/public-api/controls/text-controls/text-editor.h>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
-
/**
* @brief A control which renders a long text string with styles.
*/
-class TextEditor : public Control, public Text::ControlInterface, public Text::EditableControlInterface
+class TextEditor : public Control, public Text::ControlInterface, public Text::EditableControlInterface, public Text::SelectableControlInterface
{
public:
-
/**
* @copydoc Dali::Toollkit::TextEditor::New()
*/
* @param[in] index The property index.
* @param[in] value The new property value.
*/
- static void SetProperty( BaseObject* object, Property::Index index, const Property::Value& value );
+ static void SetProperty(BaseObject* object, Property::Index index, const Property::Value& value);
/**
* @brief Called to retrieve a property of an object of this type.
* @param[in] index The property index.
* @return The current value of the property.
*/
- static Property::Value GetProperty( BaseObject* object, Property::Index index );
+ static Property::Value GetProperty(BaseObject* object, Property::Index index);
+
+ /**
+ * @copydoc Dali::Toollkit::TextEditor::GetInputMethodContext()
+ */
+ InputMethodContext GetInputMethodContext();
+
+ /**
+ * @copydoc Dali::Toollkit::TextEditor::MaxLengthReachedSignal()
+ */
+ DevelTextEditor::MaxLengthReachedSignalType& MaxLengthReachedSignal();
/**
* Connects a callback function with the object's signals.
* @return True if the signal was connected.
* @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
*/
- static bool DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor );
+ static bool DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor);
/**
* @copydoc TextEditor::TextChangedSignal()
*/
- Toolkit::TextEditor::TextChangedSignalType& TextChangedSignal();
+ Toolkit::TextEditor::TextChangedSignalType& TextChangedSignal();
/**
* @copydoc TextEditor::TextChangedSignal()
*/
Toolkit::TextEditor::InputStyleChangedSignalType& InputStyleChangedSignal();
-private: // From Control
+ /**
+ * @copydoc TextEditor::ScrollStateChangedSignal()
+ */
+ Toolkit::TextEditor::ScrollStateChangedSignalType& ScrollStateChangedSignal();
+private: // From Control
/**
* @copydoc Control::OnInitialize()
*/
- virtual void OnInitialize();
+ void OnInitialize() override;
/**
* @copydoc Control::OnStyleChange()
*/
- virtual void OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change );
+ void OnStyleChange(Toolkit::StyleManager styleManager, StyleChange::Type change) override;
/**
* @copydoc Control::GetNaturalSize()
*/
- virtual Vector3 GetNaturalSize();
+ Vector3 GetNaturalSize() override;
/**
* @copydoc Control::GetHeightForWidth()
*/
- virtual float GetHeightForWidth( float width );
+ float GetHeightForWidth(float width) override;
/**
* @copydoc Control::OnInitialize()
*/
- virtual void OnRelayout( const Vector2& size, RelayoutContainer& container );
+ void OnRelayout(const Vector2& size, RelayoutContainer& container) override;
/**
* @copydoc Control::OnKeyInputFocusGained()
*/
- virtual void OnKeyInputFocusGained();
+ void OnKeyInputFocusGained() override;
/**
* @copydoc Control::OnKeyInputFocusLost()
*/
- virtual void OnKeyInputFocusLost();
+ void OnKeyInputFocusLost() override;
+
+ /**
+ * @copydoc Control::OnAccessibilityActivated()
+ */
+ bool OnAccessibilityActivated() override;
/**
* @copydoc Control::OnTap()
*/
- virtual void OnTap( const TapGesture& tap );
+ void OnTap(const TapGesture& tap) override;
/**
* @copydoc Control::OnPan()
*/
- virtual void OnPan( const PanGesture& gesture );
+ void OnPan(const PanGesture& gesture) override;
/**
* @copydoc Control::OnLongPress()
*/
- virtual void OnLongPress( const LongPressGesture& gesture );
+ void OnLongPress(const LongPressGesture& gesture) override;
/**
- * @copydoc Control::OnStageConnection()
+ * @copydoc Control::OnSceneConnection()
*/
- virtual void OnStageConnection( int depth );
+ void OnSceneConnection(int depth) override;
/**
* @copydoc Dali::CustomActorImpl::OnKeyEvent(const KeyEvent&)
*/
- virtual bool OnKeyEvent(const KeyEvent& event);
+ bool OnKeyEvent(const KeyEvent& event) override;
-// From ControlInterface
+ // From ControlInterface
/**
* @copydoc Text::ControlInterface::RequestTextRelayout()
*/
- virtual void RequestTextRelayout();
+ void RequestTextRelayout() override;
-// From EditableControlInterface
+ // From EditableControlInterface
/**
- * @copydoc Text::ControlInterface::TextChanged()
+ * @copydoc Text::EditableControlInterface::TextChanged()
*/
- virtual void TextChanged();
+ void TextInserted(unsigned int position, unsigned int length, const std::string& content) override;
/**
- * @copydoc Text::ControlInterface::MaxLengthReached()
+ * @copydoc Text::EditableControlInterface::TextDeleted()
*/
- virtual void MaxLengthReached();
+ void TextDeleted(unsigned int position, unsigned int length, const std::string& content) override;
/**
- * @copydoc Text::ControlInterface::InputStyleChanged()
+ * @copydoc Text::EditableControlInterface::CaretMoved()
*/
- virtual void InputStyleChanged( Text::InputStyle::Mask inputStyleMask );
+ void CaretMoved(unsigned int position) override;
/**
- * @copydoc Text::ControlInterface::AddDecoration()
+ * @copydoc Text::EditableControlInterface::TextChanged()
*/
- virtual void AddDecoration( Actor& actor, bool needsClipping );
+ void TextChanged() override;
-private: // Implementation
+ /**
+ * @copydoc Text::EditableControlInterface::MaxLengthReached()
+ */
+ void MaxLengthReached() override;
+
+ /**
+ * @copydoc Text::EditableControlInterface::InputStyleChanged()
+ */
+ void InputStyleChanged(Text::InputStyle::Mask inputStyleMask) override;
+
+ /**
+ * @copydoc Text::EditableControlInterface::AddDecoration()
+ */
+ void AddDecoration(Actor& actor, bool needsClipping) override;
+
+ // From SelectableControlInterface
+public:
+ /**
+ * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
+ */
+ void SetTextSelectionRange(const uint32_t* start, const uint32_t* end) override;
+
+ /**
+ * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
+ */
+ Uint32Pair GetTextSelectionRange() const override;
/**
- * @copydoc Dali::Toolkit::Text::Controller::(ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent)
+ * @copydoc Text::SelectableControlInterface::SelectWholeText()
*/
- ImfManager::ImfCallbackData OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent );
+ void SelectWholeText() override;
+
+ /**
+ * @copydoc Text::SelectableControlInterface::SelectNone()
+ */
+ void SelectNone() override;
+
+ /**
+ * @copydoc Dali::Toolkit::DevelTextEditor::ScrollBy()
+ */
+ void ScrollBy(Vector2 Scroll);
+
+ /**
+ * @brief Get Horizontal scroll position of TextEditor.
+ *
+ * @return Horizontal scroll position (in pixels) of TextEditor.
+ */
+ float GetHorizontalScrollPosition();
+
+ /**
+ * @brief Get Vertical scroll position of TextEditor.
+ *
+ * @return Vertical scroll position (in pixels) of TextEditor.
+ */
+ float GetVerticalScrollPosition();
+
+ /**
+ * @copydoc Text::SelectableControlInterface::GetSelectedText()
+ */
+ string GetSelectedText() const override;
+
+ /**
+ * @copydoc Text::EditableControlInterface::IsEditable()
+ */
+ bool IsEditable() const override;
+
+ /**
+ * @copydoc Text::EditableControlInterface::SetEditable()
+ */
+ void SetEditable(bool editable) override;
+ Text::ControllerPtr getController();
+
+private: // Implementation
+ /**
+ * @copydoc Dali::Toolkit::Text::Controller::(InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
+ */
+ InputMethodContext::CallbackData OnInputMethodContextEvent(InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent);
/**
* @brief Callback when Clipboard signals an item should be pasted
* @param[in] clipboard handle to Clipboard Event Notifier
*/
- void OnClipboardTextSelected( ClipboardEventNotifier& clipboard );
+ void OnClipboardTextSelected(ClipboardEventNotifier& clipboard);
/**
* @brief Get a Property Map for the image used for the required Handle Image
* @param[in] handleType the type of handle
* @param[in] handleImageType the type of image for the given handleType
*/
- void GetHandleImagePropertyValue( Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType );
+ void GetHandleImagePropertyValue(Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType);
/**
- * @brief Enable or disable clipping.
+ * @brief Callback when keyboard is shown/hidden.
*
- * @param[in] size The area to clip within.
+ * @param[in] keyboardShown True if keyboard is shown.
*/
- void EnableClipping( const Vector2& size );
+ void KeyboardStatusChanged(bool keyboardShown);
/**
- * @brief Callback when keyboard is shown/hidden.
+ * @brief update scroll bar position
*
- * @param[in] keyboardShown True if keyboard is shown.
+ * If text scroll is occurred, create or update scroll bar position
*/
- void KeyboardStatusChanged( bool keyboardShown );
+ void UpdateScrollBar();
/**
* @brief Callback when TextEditor is touched
* @param[in] actor TextEditor touched
* @param[in] touch Touch information
*/
- bool OnTouched( Actor actor, const TouchData& touch );
+ bool OnTouched(Actor actor, const TouchEvent& touch);
/**
* @brief Callbacks called on idle.
void OnIdleSignal();
/**
+ * @brief set RenderActor's position with new scrollPosition
+ *
+ * Apply updated scroll position or start scroll animation if VerticalScrollAnimation is enabled
+ */
+ void ApplyScrollPosition();
+
+ /**
+ * @brief Callback function for ScrollBar indicator animation finished signal
+ *
+ * Emit ScrollBarStateChanged Signal and toggle mScrollStarted flag to false
+ */
+ void OnScrollIndicatorAnimationFinished(Animation& animation);
+
+ /**
* Construct a new TextEditor.
*/
TextEditor();
TextEditor& operator=(const TextEditor& rhs);
/**
+ * @brief Resize actor to the given size.
+ *
+ * @param[in] actor The actor to be resized.
+ * @param[in] size Size to change.
+ */
+ void ResizeActor(Actor& actor, const Vector2& size);
+
+ /**
* @brief Render view, create and attach actor(s) to this text editor.
*/
- void RenderText( Text::Controller::UpdateTextType updateTextType );
+ void RenderText(Text::Controller::UpdateTextType updateTextType);
- // Connection needed to re-render text, when a text editor returns to the stage.
- void OnStageConnect( Dali::Actor actor );
+ // Connection needed to re-render text, when a text editor returns to the scene.
+ void OnSceneConnect(Dali::Actor actor);
private: // Data
-
// Signals
- Toolkit::TextEditor::TextChangedSignalType mTextChangedSignal;
- Toolkit::TextEditor::InputStyleChangedSignalType mInputStyleChangedSignal;
-
- Text::ControllerPtr mController;
- Text::RendererPtr mRenderer;
- Text::DecoratorPtr mDecorator;
- Text::ClipperPtr mClipper;
- std::vector<Actor> mClippingDecorationActors; ///< Decoration actors which need clipping.
-
- Actor mRenderableActor;
+ Toolkit::TextEditor::TextChangedSignalType mTextChangedSignal;
+ Toolkit::TextEditor::InputStyleChangedSignalType mInputStyleChangedSignal;
+ Toolkit::TextEditor::ScrollStateChangedSignalType mScrollStateChangedSignal;
+ Toolkit::DevelTextEditor::MaxLengthReachedSignalType mMaxLengthReachedSignal;
+
+ InputMethodContext mInputMethodContext;
+ Text::ControllerPtr mController;
+ Text::RendererPtr mRenderer;
+ Text::DecoratorPtr mDecorator;
+ Text::TextVerticalScrollerPtr mTextVerticalScroller;
+ Toolkit::Control mStencil;
+ Toolkit::ScrollBar mScrollBar;
+ Dali::Animation mAnimation; ///< Scroll indicator Show/Hide Animation.
+ Dali::TimePeriod mAnimationPeriod;
+ std::vector<Actor> mClippingDecorationActors; ///< Decoration actors which need clipping.
+
+ Actor mRenderableActor;
+ Actor mActiveLayer;
CallbackBase* mIdleCallback;
- int mRenderingBackend;
- bool mHasBeenStaged:1;
+ float mAlignmentOffset;
+ float mScrollAnimationDuration;
+ float mLineSpacing;
+ int mRenderingBackend;
+ bool mHasBeenStaged : 1;
+ bool mScrollAnimationEnabled : 1;
+ bool mScrollBarEnabled : 1;
+ bool mScrollStarted : 1;
+ bool mTextChanged : 1;
+
+ struct AccessibleImpl : public DevelControl::AccessibleImpl,
+ public virtual Dali::Accessibility::Text,
+ public virtual Dali::Accessibility::EditableText
+ {
+ using DevelControl::AccessibleImpl::AccessibleImpl;
+
+ std::string GetName() override;
+ 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;
+ bool CopyText(size_t startPosition, size_t endPosition) override;
+ bool CutText(size_t startPosition, size_t endPosition) override;
+ Accessibility::States CalculateStates() override;
+ };
};
} // namespace Internal
// Helpers for public-api forwarding methods
-inline Toolkit::Internal::TextEditor& GetImpl( Toolkit::TextEditor& textEditor )
+inline Toolkit::Internal::TextEditor& GetImpl(Toolkit::TextEditor& textEditor)
{
DALI_ASSERT_ALWAYS(textEditor);
return static_cast<Toolkit::Internal::TextEditor&>(handle);
}
-inline const Toolkit::Internal::TextEditor& GetImpl( const Toolkit::TextEditor& textEditor )
+inline const Toolkit::Internal::TextEditor& GetImpl(const Toolkit::TextEditor& textEditor)
{
DALI_ASSERT_ALWAYS(textEditor);