X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Fdecorator%2Ftext-decorator.h;h=927fb830779c508aa67a95644a6c48995908854a;hp=9f2c69300f5306a07e4fd1ca063bcc5b91c4f788;hb=4d45925a50b8a260f8e4e609d6309a8a0d2aada1;hpb=c11c7538e070434e84856ebd4af000dff4ca3f9a diff --git a/dali-toolkit/internal/text/decorator/text-decorator.h b/dali-toolkit/internal/text/decorator/text-decorator.h index 9f2c693..927fb83 100644 --- a/dali-toolkit/internal/text/decorator/text-decorator.h +++ b/dali-toolkit/internal/text/decorator/text-decorator.h @@ -24,9 +24,13 @@ #include #include +// INTERNAL INCLUDES +#include + namespace Dali { +class Actor; class Image; class Vector2; class Vector4; @@ -34,6 +38,8 @@ class Vector4; namespace Toolkit { +class TextSelectionPopupCallbackInterface; + namespace Internal { class Control; @@ -61,26 +67,31 @@ enum ActiveCursor ACTIVE_CURSOR_BOTH ///< Both primary and secondary cursor are active }; -// The state information for grab handle events -enum GrabHandleState +// The state information for handle events. +enum HandleState { - GRAB_HANDLE_TAPPED, - GRAB_HANDLE_PRESSED, - GRAB_HANDLE_RELEASED + HANDLE_TAPPED, + HANDLE_PRESSED, + HANDLE_RELEASED, + HANDLE_SCROLLING, + HANDLE_STOP_SCROLLING }; -// The set the selection-handle positions etc. -enum SelectionHandle +// Used to set different handle images +enum HandleImageType { - PRIMARY_SELECTION_HANDLE, - SECONDARY_SELECTION_HANDLE, - SELECTION_HANDLE_COUNT + HANDLE_IMAGE_PRESSED, + HANDLE_IMAGE_RELEASED, + HANDLE_IMAGE_TYPE_COUNT }; -enum SelectionHandleState +// Types of handles. +enum HandleType { - SELECTION_HANDLE_PRESSED, - SELECTION_HANDLE_RELEASED + GRAB_HANDLE, + LEFT_SELECTION_HANDLE, + RIGHT_SELECTION_HANDLE, + HANDLE_TYPE_COUNT }; /** @@ -93,45 +104,62 @@ enum SelectionHandleState * * Selection handles will be flipped around to ensure they do not exceed the Decoration Bounding Box. ( Stay visible ). * - * Decorator components forward input events to a controller class through an observer interface. + * Decorator components forward input events to a controller class through an interface. * The controller is responsible for selecting which components are active. */ class Decorator : public RefObject { public: - class Observer + class ControllerInterface { public: /** * @brief Constructor. */ - Observer() {}; + ControllerInterface() {}; /** * @brief Virtual destructor. */ - virtual ~Observer() {}; + virtual ~ControllerInterface() {}; + + /** + * @brief An input event from one of the handles. + * + * @param[out] targetSize The Size of the UI control the decorator is adding it's decorations to. + */ + 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; /** - * @brief An input event from the grab handle. + * @brief An input event from one of the handles. * - * @param[in] state The grab handle state. + * @param[in] handleType The handle's type. + * @param[in] state The handle's state. * @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 GrabHandleEvent( GrabHandleState state, float x, float y ) = 0; + virtual void DecorationEvent( HandleType handleType, HandleState state, float x, float y ) = 0; }; /** * @brief Create a new instance of a Decorator. * - * @param[in] parent Decorations will be added to this parent control. - * @param[in] observer A class which receives input events from Decorator components. + * @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. + * * @return A pointer to a new Decorator. */ - static DecoratorPtr New( Dali::Toolkit::Internal::Control& parent, Observer& observer ); + static DecoratorPtr New( ControllerInterface& controller, + TextSelectionPopupCallbackInterface& callbackInterface ); /** * @brief Set the bounding box which handles, popup and similar decorations will not exceed. @@ -167,9 +195,15 @@ public: * @brief The decorator waits until a relayout before creating actors etc. * * @param[in] size The size of the parent control after size-negotiation. - * @param[in] scrollPosition The cursor, grab-handle positions etc. should be offset by this. */ - void Relayout( const Dali::Vector2& size, const Vector2& scrollPosition ); + 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 ); /** * @brief Sets which of the cursors are active. @@ -209,12 +243,21 @@ public: void GetPosition( Cursor cursor, float& x, float& y, float& cursorHeight, float& lineHeight ) const; /** + * @brief Retrieves the position of a cursor. + * + * @param[in] cursor The cursor to get. + * + * @return The position. + */ + const Vector2& GetPosition( 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 SetColor( Cursor cursor, const Dali::Vector4& color ); + void SetCursorColor( Cursor cursor, const Dali::Vector4& color ); /** * @brief Retrieves the color for a cursor. @@ -263,85 +306,92 @@ public: float GetCursorBlinkDuration() const; /** - * @brief Sets whether the grab handle is active. + * @brief Sets whether a handle is active. * - * @note The grab handle follows the cursor position set with SetPosition(Cursor, ...) - * @param[in] active True if the grab handle should be active. + * @param[in] handleType One of the handles. + * @param[in] active True if the handle should be active. */ - void SetGrabHandleActive( bool active ); + void SetHandleActive( HandleType handleType, + bool active ); /** - * @brief Query whether the grab handle is active. + * @brief Query whether a handle is active. + * + * @param[in] handleType One of the handles. * - * @return True if the grab handle should be active. + * @return True if the handle is active. */ - bool IsGrabHandleActive() const; + bool IsHandleActive( HandleType handleType ) const; /** - * @brief Sets the image for the grab handle. + * @brief Sets 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. * @param[in] image The image to use. */ - void SetGrabHandleImage( Dali::Image image ); + void SetHandleImage( HandleType handleType, HandleImageType handleImageType, Dali::Image image ); /** - * @brief Retrieves the image for the grab handle. + * @brief Retrieves 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. */ - Dali::Image GetGrabHandleImage() const; + Dali::Image GetHandleImage( HandleType handleType, HandleImageType handleImageType ) const; /** - * @brief Sets whether the selection handles and highlight are active. + * @brief Sets the color of the handles * - * @param[in] active True if the selection handles and highlight are active. + * @param[in] color The color to use. */ - void SetSelectionActive( bool active ); + void SetHandleColor( const Vector4& color ); /** - * @brief Query whether the selection handles and highlight are active. + * @brief Retrieves the handles color. * - * @return True if the selection handles and highlight are active. + * @return The color of the handles. */ - bool IsSelectionActive() const; + const Vector4& GetHandleColor() const; /** * @brief Sets the position of a selection handle. * - * @param[in] handle The handle to set. + * @param[in] handleType The handle to set. * @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. * @param[in] lineHeight The logical line height at this position. */ - void SetPosition( SelectionHandle handle, 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[in] handle The handle to get. + * @param[in] handleType The handle to get. * @param[out] x The x position relative to the top-left of the parent control. * @param[out] y The y position relative to the top-left of the parent control. - * @param[out] cursorHeight The logical cursor height at this position. + * @param[out] lineHeight The logical line height at this position. */ - void GetPosition( SelectionHandle handle, float& x, float& y, float& cursorHeight ) const; + void GetPosition( HandleType handleType, float& x, float& y, float& lineHeight ) const; /** - * @brief Sets the image for one of the selection handles. + * @brief Retrieves the position of a selection handle. * - * @param[in] handle The selection handle. - * @param[in] state A different image can be set for the pressed/released states. - * @param[in] image The image to use. + * @param[in] handleType The handle to get. + * + * @return The position of the selection handle relative to the top-left of the parent control. */ - void SetImage( SelectionHandle handle, SelectionHandleState state, Dali::Image image ); + const Vector2& GetPosition( HandleType handleType ) const; /** - * @brief Retrieves the image for a selection handle. + * @brief Swaps the selection handle's images. * - * @param[in] handle The selection handle. - * @param[in] state A different image can be set for the pressed/released states. - * @return The image. + * This method is called by the text controller to swap the handles + * when the start index is bigger than the end one. */ - Dali::Image GetImage( SelectionHandle handle, SelectionHandleState state ) const; + void SwapSelectionHandlesEnabled( bool enable ); /** * @brief Adds a quad to the existing selection highlights. @@ -359,6 +409,20 @@ public: void ClearHighlights(); /** + * @brief Sets the selection highlight color. + * + * @param[in] color The color to use. + */ + void SetHighlightColor( const Vector4& color ); + + /** + * @brief Retrieves the selection highlight color. + * + * @return The color of the highlight + */ + const Vector4& GetHighlightColor() const; + + /** * @brief Set the Selection Popup to show or hide via the active flaf * @param[in] active true to show, false to hide */ @@ -371,6 +435,56 @@ public: */ bool IsPopupActive() const; + /** + * @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 ); + + /** + * @brief Get the current bit mask of buttons to be shown by Popup + * @return bitmask of TextSelectionPopup::Buttons + */ + TextSelectionPopup::Buttons& GetEnabledPopupButtons(); + + /** + * @brief Sets the scroll threshold. + * + * 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. + */ + void SetScrollThreshold( float threshold ); + + /** + * @brief Retrieves the scroll threshold. + * + * @retunr The scroll threshold. + */ + float GetScrollThreshold() const; + + /** + * @brief Sets the scroll speed. + * + * Is the distance the text is going to be scrolled during a scroll interval. + * + * @param[in] speed The scroll speed. + */ + void SetScrollSpeed( float speed ); + + /** + * @brief Retrieves the scroll speed. + * + * @return The scroll speed. + */ + float GetScrollSpeed() const; + + /** + * @brief Notifies the decorator the whole text has been scrolled. + */ + void NotifyEndOfScroll(); + protected: /** @@ -382,10 +496,11 @@ private: /** * @brief Private constructor. - * @param[in] parent Decorations will be added to this parent control. - * @param[in] observer A class which receives input events from Decorator components. + * @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(Dali::Toolkit::Internal::Control& parent, Observer& observer ); + Decorator( ControllerInterface& controller, + TextSelectionPopupCallbackInterface& callbackInterface ); // Undefined Decorator( const Decorator& handle );