-#ifndef __DALI_TOOLKIT_TEXT_DECORATOR_H__
-#define __DALI_TOOLKIT_TEXT_DECORATOR_H__
+#ifndef DALI_TOOLKIT_TEXT_DECORATOR_H
+#define DALI_TOOLKIT_TEXT_DECORATOR_H
/*
- * Copyright (c) 2015 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/public-api/common/intrusive-ptr.h>
-#include <dali/public-api/object/ref-object.h>
#include <dali/public-api/math/rect.h>
+#include <dali/public-api/object/ref-object.h>
// INTERNAL INCLUDES
#include <dali-toolkit/devel-api/controls/text-controls/text-selection-popup.h>
namespace Dali
{
-
struct Vector2;
struct Vector4;
namespace Toolkit
{
-
namespace Text
{
-
class Decorator;
typedef IntrusivePtr<Decorator> DecoratorPtr;
class Decorator : public RefObject
{
public:
-
class ControllerInterface
{
public:
-
/**
* @brief Constructor.
*/
- ControllerInterface() {};
+ ControllerInterface(){};
/**
* @brief Virtual destructor.
*/
- virtual ~ControllerInterface() {};
+ virtual ~ControllerInterface(){};
/**
* @brief Query the target size of the UI control.
*
* @param[out] targetSize The size of the UI control the decorator is adding it's decorations to.
*/
- virtual void GetTargetSize( Vector2& targetSize ) = 0;
+ virtual void GetTargetSize(Vector2& targetSize) = 0;
/**
* @brief Add a decoration to the parent UI control.
*
* @param[in] decoration The actor displaying a decoration.
*/
- virtual void AddDecoration( Actor& actor, bool needsClipping ) = 0;
+ virtual void AddDecoration(Actor& actor, bool needsClipping) = 0;
/**
* @brief An input event from one of the handles.
* @param[in] x The x position relative to the top-left of the parent control.
* @param[in] y The y position relative to the top-left of the parent control.
*/
- virtual void DecorationEvent( HandleType handleType, HandleState state, float x, float y ) = 0;
+ virtual void DecorationEvent(HandleType handleType, HandleState state, float x, float y) = 0;
};
/**
*
* @return A pointer to a new Decorator.
*/
- static DecoratorPtr New( ControllerInterface& controller,
- TextSelectionPopupCallbackInterface& callbackInterface );
+ static DecoratorPtr New(ControllerInterface& controller,
+ TextSelectionPopupCallbackInterface& callbackInterface);
/**
* @brief Set the bounding box which handles, popup and similar decorations will not exceed.
*
* @param[in] boundingBox Vector( x coordinate, y coordinate, width, height )
*/
- void SetBoundingBox( const Rect<int>& boundingBox );
+ void SetBoundingBox(const Rect<int>& boundingBox);
/**
* @brief Retrieve the bounding box origin and dimensions.
*
* default is set once control is added to stage, before this the return vector will be Vector4:ZERO
- * @return Rect<int> the bounding box origin, width and height
+ * @param[out] boundingBox The bounding box origin, width and height.
*/
- const Rect<int>& GetBoundingBox() const;
+ void GetBoundingBox(Rect<int>& boundingBox) const;
/**
* @brief The decorator waits until a relayout before creating actors etc.
*
* @param[in] size The size of the parent control after size-negotiation.
*/
- void Relayout( const Dali::Vector2& size );
+ void Relayout(const Dali::Vector2& size);
/**
* @brief Updates the decorator's actor positions after scrolling.
*
* @param[in] scrollOffset The scroll offset.
*/
- void UpdatePositions( const Vector2& scrollOffset );
+ void UpdatePositions(const Vector2& scrollOffset);
/**
* @brief Sets which of the cursors are active.
* @note Cursor will only be visible if within the parent area.
* @param[in] activeCursor Which of the cursors should be active (if any).
*/
- void SetActiveCursor( ActiveCursor activeCursor );
+ void SetActiveCursor(ActiveCursor activeCursor);
/**
* @brief Query which of the cursors are active.
* @param[in] cursorHeight The logical height of the cursor.
* @param[in] lineHeight The logical height of the line.
*/
- void SetPosition( Cursor cursor, float x, float y, float cursorHeight, float lineHeight );
+ void SetPosition(Cursor cursor, float x, float y, float cursorHeight, float lineHeight);
/**
* @brief Retrieves the position, height and lineHeight of a cursor.
* @param[out] cursorHeight The logical height of the cursor.
* @param[out] lineHeight The logical height of the line.
*/
- void GetPosition( Cursor cursor, float& x, float& y, float& cursorHeight, float& lineHeight ) const;
+ void GetPosition(Cursor cursor, float& x, float& y, float& cursorHeight, float& lineHeight) const;
/**
* @brief Retrieves the position of a cursor.
*
* @return The position.
*/
- const Vector2& GetPosition( Cursor cursor ) const;
+ const Vector2& GetPosition(Cursor cursor) const;
+
+ /**
+ * @brief Sets the glyph offset of a cursor.
+ *
+ * @param[in] cursor The cursor to set.
+ * @param[in] glyphoffset The difference of line ascender and glyph ascender.
+ */
+ void SetGlyphOffset(Cursor cursor, float glyphOffset);
+
+ /**
+ * @brief Retrieves the glyph offset of a cursor.
+ *
+ * @param[in] cursor The cursor to get.
+ *
+ * @return The glyph offset. glyph offset means difference of line ascender and glyph ascender.
+ */
+ const float GetGlyphOffset(Cursor cursor) const;
/**
* @brief Sets the color for a cursor.
* @param[in] cursor Whether this color is for the primary or secondary cursor.
* @param[in] color The color to use.
*/
- void SetCursorColor( Cursor cursor, const Dali::Vector4& color );
+ void SetCursorColor(Cursor cursor, const Dali::Vector4& color);
/**
* @brief Retrieves the color for a cursor.
* @param[in] cursor Whether this color is for the primary or secondary cursor.
* @return The cursor color.
*/
- const Dali::Vector4& GetColor( Cursor cursor ) const;
+ const Dali::Vector4& GetColor(Cursor cursor) const;
/**
* @brief Start blinking the cursor; see also SetCursorBlinkDuration().
void StopCursorBlink();
/**
+ * @brief Temporarily stops the cursor from blinking.
+ */
+ void DelayCursorBlink();
+
+ /**
* @brief Set the interval between cursor blinks.
*
* @param[in] seconds The interval in seconds.
*/
- void SetCursorBlinkInterval( float seconds );
+ void SetCursorBlinkInterval(float seconds);
/**
* @brief Retrieves the blink-interval for a cursor.
*
- * @return The cursor blink-interval.
+ * @return The cursor blink-interval in seconds.
*/
float GetCursorBlinkInterval() const;
*
* @param[in] seconds The duration in seconds.
*/
- void SetCursorBlinkDuration( float seconds );
+ void SetCursorBlinkDuration(float seconds);
/**
* @brief Retrieves the blink-duration for a cursor.
*
- * @return The cursor blink-duration.
+ * @return The cursor blink-duration in seconds.
*/
float GetCursorBlinkDuration() const;
*
* @param[in] width The width of the cursor in pixels.
*/
- void SetCursorWidth( int width );
+ void SetCursorWidth(int width);
/**
* @brief Retrieves the width of the cursors.
* @param[in] handleType One of the handles.
* @param[in] active True if the handle should be active.
*/
- void SetHandleActive( HandleType handleType,
- bool active );
+ void SetHandleActive(HandleType handleType,
+ bool active);
/**
* @brief Query whether a handle is active.
*
* @return True if the handle is active.
*/
- bool IsHandleActive( HandleType handleType ) const;
+ bool IsHandleActive(HandleType handleType) const;
/**
- * @brief Sets the image for one of the handles.
+ * @brief Sets the image file name for one of the handles.
*
* @param[in] handleType One of the handles.
* @param[in] handleImageType A different image can be set for the pressed/released states.
- * @param[in] image The image to use.
+ * @param[in] imageFileName The image filename to use.
*/
- void SetHandleImage( HandleType handleType, HandleImageType handleImageType, Dali::Image image );
+ void SetHandleImage(HandleType handleType, HandleImageType handleImageType, const std::string& imageFileName);
/**
- * @brief Retrieves the image for one of the handles.
+ * @brief Retrieves the file name of the image for one of the handles.
*
* @param[in] handleType One of the handles.
* @param[in] handleImageType A different image can be set for the pressed/released states.
*
- * @return The grab handle image.
+ * @return The grab handle image string.
*/
- Dali::Image GetHandleImage( HandleType handleType, HandleImageType handleImageType ) const;
+ const std::string& GetHandleImage(HandleType handleType, HandleImageType handleImageType) const;
/**
* @brief Sets the color of the handles
*
* @param[in] color The color to use.
*/
- void SetHandleColor( const Vector4& color );
+ void SetHandleColor(const Vector4& color);
/**
* @brief Retrieves the handles color.
* @param[in] y The y position relative to the top-left of the parent control.
* @param[in] lineHeight The logical line height at this position.
*/
- void SetPosition( HandleType handleType, float x, float y, float lineHeight );
+ void SetPosition(HandleType handleType, float x, float y, float lineHeight);
/**
* @brief Retrieves the position of a selection handle.
* @param[out] y The y position relative to the top-left of the parent control.
* @param[out] lineHeight The logical line height at this position.
*/
- void GetPosition( HandleType handleType, float& x, float& y, float& lineHeight ) const;
+ void GetPosition(HandleType handleType, float& x, float& y, float& lineHeight) const;
/**
* @brief Retrieves the position of a selection handle.
*
* @return The position of the selection handle relative to the top-left of the parent control.
*/
- const Vector2& GetPosition( HandleType handleType ) const;
+ const Vector2& GetPosition(HandleType handleType) const;
/**
- * @brief Swaps the selection handle's images.
+ * @brief Whether to flip vertically a handle.
*
- * This method is called by the text controller to swap the handles
- * when the start index is bigger than the end one.
+ * @param[in] handleType The handle to flip vertically.
+ * @param[in] flip Whether to flip vertically.
*/
- void SwapSelectionHandlesEnabled( bool enable );
+ void FlipHandleVertically(HandleType handleType, bool flip);
/**
- * @brief Adds a quad to the existing selection highlights.
+ * @brief Retrieves whether the handle is vertically flipped.
*
- * @param[in] x1 The top-left x position.
- * @param[in] y1 The top-left y position.
- * @param[in] x2 The bottom-right x position.
- * @param[in] y3 The bottom-right y position.
+ * @param[in] handleType The handle to query.
+ *
+ * @return @e ture if the handle is vertically flipped.
+ */
+ bool IsHandleVerticallyFlipped(HandleType handleType) const;
+
+ /**
+ * @brief Whether to flip the selection handles as soon as they are crossed.
+ *
+ * By default they flip when the handle is released.
+ *
+ * @param[in] enable If @e true the selection handles will flip as soon as they are crossed.
+ */
+ void FlipSelectionHandlesOnCrossEnabled(bool enable);
+
+ /**
+ * @brief Sets info to calculate the handle flip state.
+ *
+ * Sets the character's direction where the handles are pointing.
+ * It resets the decorator internal flip state when there is a new selection.
+ *
+ * @param[in] indicesSwapped Whether the selection handle indices are swapped (start > end).
+ * @param[in] left The direction of the character pointed by the primary selection handle.
+ * @param[in] right The direction of the character pointed by the secondary selection handle.
*/
- void AddHighlight( float x1, float y1, float x2, float y2 );
+ void SetSelectionHandleFlipState(bool indicesSwapped, bool left, bool right);
+
+ /**
+ * @brief Adds a quad to the existing selection highlights. Vertices are in decorator's coordinates.
+ *
+ * @param[in] index Position in the vector where to add the quad.
+ * @param[in] quad The quad. The 'x' and 'y' coordinates store the min 'x' and min 'y'. The 'z' and 'w' coordinates store the max 'x' and max 'y'.
+ */
+ void AddHighlight(unsigned int index, const Vector4& quad);
+
+ /**
+ * @brief Sets the min 'x,y' coordinates and the size of the highlighted box.
+ *
+ * It's used to set the size and position of the highlight's actor and to translate each highlight quad from
+ * decorator's coordinates to the local coords of the highlight's actor.
+ *
+ * @param[in] position The position of the highlighted text in decorator's coords.
+ * @param[in] size The size of the highlighted text.
+ * @param[in] outlineOffset The outline's offset.
+ */
+ void SetHighLightBox(const Vector2& position,
+ const Size& size,
+ float outlineOffset);
/**
* @brief Removes all of the previously added highlights.
void ClearHighlights();
/**
+ * @brief Reserves space for the highlight quads.
+ *
+ * @param[in] numberOfQuads The expected number of quads.
+ */
+ void ResizeHighlightQuads(unsigned int numberOfQuads);
+
+ /**
* @brief Sets the selection highlight color.
*
* @param[in] color The color to use.
*/
- void SetHighlightColor( const Vector4& color );
+ void SetHighlightColor(const Vector4& color);
/**
* @brief Retrieves the selection highlight color.
const Vector4& GetHighlightColor() const;
/**
+ * @brief Sets whether the highlight is active.
+ *
+ * @param[in] active Whether the highlight is active.
+ */
+ void SetHighlightActive(bool active);
+
+ /**
+ * @brief Retrieves whether the highlight is active.
+ *
+ * @return @e true if the highlight is active, @e false otherwise.
+ */
+ bool IsHighlightActive() const;
+
+ /**
+ * @brief Retreives whether the highlight is shown or not.
+ *
+ * @return true if the highlight is visible, false otherwise.
+ */
+ bool IsHighlightVisible() const;
+
+ /**
* @brief Sets into the decorator the depth used to render the text.
*
* @param[in] depth The text's depth.
*/
- void SetTextDepth( int textDepth );
+ void SetTextDepth(int textDepth);
/**
* @brief Set the Selection Popup to show or hide via the active flaf
* @param[in] active true to show, false to hide
*/
- void SetPopupActive( bool active );
+ void SetPopupActive(bool active);
/**
* @brief Query whether the Selection Popup is active.
* @brief Set a bit mask of the buttons to be shown by Popup
* @param[in] enabledButtonsBitMask from TextSelectionPopup::Buttons enum
*/
- void SetEnabledPopupButtons( TextSelectionPopup::Buttons& enabledButtonsBitMask );
+ void SetEnabledPopupButtons(TextSelectionPopup::Buttons& enabledButtonsBitMask);
/**
* @brief Get the current bit mask of buttons to be shown by Popup
* It defines a square area inside the control, close to the edge.
* When the cursor enters this area, the decorator starts to send scroll events.
*
- * @param[in] threshold The scroll threshold.
+ * @param[in] threshold The scroll threshold in pixels.
*/
- void SetScrollThreshold( float threshold );
+ void SetScrollThreshold(float threshold);
/**
* @brief Retrieves the scroll threshold.
*
- * @retunr The scroll threshold.
+ * @retunr The scroll threshold in pixels.
*/
float GetScrollThreshold() const;
*
* Is the distance the text is going to be scrolled during a scroll interval.
*
- * @param[in] speed The scroll speed.
+ * @param[in] speed The scroll speed in pixels/second.
+ */
+ void SetScrollSpeed(float speed);
+
+ /**
+ * @brief Sets Editable mode decoration.
+ *
+ * If this set to false, Primary cursor and grab will always be hidden.
+ *
+ * @param[in] isEditable enable or disable Editing.
*/
- void SetScrollSpeed( float speed );
+ void SetEditable(bool isEditable);
/**
* @brief Retrieves the scroll speed.
*
- * @return The scroll speed.
+ * @return The scroll speed in pixels/second.
*/
float GetScrollSpeed() const;
*/
void NotifyEndOfScroll();
-protected:
+ /**
+ * @copydoc Text::Controller::SetHorizontalScrollEnabled()
+ */
+ void SetHorizontalScrollEnabled(bool enable);
+
+ /**
+ * @copydoc Text::Controller::IsHorizontalScrollEnabled()
+ */
+ bool IsHorizontalScrollEnabled() const;
+
+ /**
+ * @copydoc Text::Controller::SetVerticalScrollEnabled()
+ */
+ void SetVerticalScrollEnabled(bool enable);
+
+ /**
+ * @copydoc Text::Controller::IsVerticalScrollEnabled()
+ */
+ bool IsVerticalScrollEnabled() const;
+
+ /**
+ * @copydoc Text::Controller::SetSmoothHandlePanEnabled()
+ */
+ void SetSmoothHandlePanEnabled(bool enable);
+
+ /**
+ * @copydoc Text::Controller::IsSmoothHandlePanEnabled()
+ */
+ bool IsSmoothHandlePanEnabled() const;
+protected:
/**
* @brief A reference counted object may only be deleted by calling Unreference().
*/
virtual ~Decorator();
private:
-
/**
* @brief Private constructor.
* @param[in] controller The controller which receives input events from Decorator components.
* @param[in] callbackInterface The text popup callback interface which receives the button click callbacks.
*/
- Decorator( ControllerInterface& controller,
- TextSelectionPopupCallbackInterface& callbackInterface );
+ Decorator(ControllerInterface& controller,
+ TextSelectionPopupCallbackInterface& callbackInterface);
// Undefined
- Decorator( const Decorator& handle );
+ Decorator(const Decorator& handle);
// Undefined
- Decorator& operator=( const Decorator& handle );
+ Decorator& operator=(const Decorator& handle);
private:
-
struct Impl;
Impl* mImpl;
};
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_DECORATOR_H__
+#endif // DALI_TOOLKIT_TEXT_DECORATOR_H