X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Ftext-controller.h;h=e3a7427a092ade6ce4e77d19f1b02914b91beed9;hp=6a833747401fdddc6d0b1d423dc07412b8de5150;hb=41d36118a13932bcf1db39b780ac437fcda8aa08;hpb=fd3baac4dbdce72b630debdfe7df9bf732ca873f diff --git a/dali-toolkit/internal/text/text-controller.h b/dali-toolkit/internal/text/text-controller.h old mode 100644 new mode 100755 index 6a83374..82a7a15 --- a/dali-toolkit/internal/text/text-controller.h +++ b/dali-toolkit/internal/text/text-controller.h @@ -1,8 +1,8 @@ -#ifndef __DALI_TOOLKIT_TEXT_CONTROLLER_H__ -#define __DALI_TOOLKIT_TEXT_CONTROLLER_H__ +#ifndef DALI_TOOLKIT_TEXT_CONTROLLER_H +#define DALI_TOOLKIT_TEXT_CONTROLLER_H /* - * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * Copyright (c) 2018 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. @@ -19,14 +19,18 @@ */ // EXTERNAL INCLUDES -#include +#include #include // INTERNAL INCLUDES +#include #include +#include +#include #include #include -#include +#include +#include namespace Dali { @@ -38,19 +42,12 @@ namespace Text { class Controller; +class ControlInterface; +class EditableControlInterface; class View; +class RenderingController; typedef IntrusivePtr ControllerPtr; -typedef Dali::Toolkit::Text::ControlInterface ControlInterface; - -/** - * @brief Different placeholder-text can be shown when the control is active/inactive. - */ -enum PlaceholderType -{ - PLACEHOLDER_TYPE_ACTIVE, - PLACEHOLDER_TYPE_INACTIVE, -}; /** * @brief A Text Controller is used by UI Controls which display text. @@ -63,9 +60,9 @@ enum PlaceholderType * * The text selection popup button callbacks are as well handled via the TextSelectionPopupCallbackInterface interface. */ -class Controller : public RefObject, public Decorator::ControllerInterface, public TextSelectionPopupCallbackInterface +class Controller : public RefObject, public Decorator::ControllerInterface, public TextSelectionPopupCallbackInterface, public HiddenText::Observer { -public: +public: // Enumerated types. /** * @brief Text related operations to be done in the relayout process. @@ -77,20 +74,20 @@ public: GET_SCRIPTS = 0x0002, VALIDATE_FONTS = 0x0004, GET_LINE_BREAKS = 0x0008, - GET_WORD_BREAKS = 0x0010, - BIDI_INFO = 0x0020, - SHAPE_TEXT = 0x0040, - GET_GLYPH_METRICS = 0x0080, - LAYOUT = 0x0100, - UPDATE_ACTUAL_SIZE = 0x0200, - REORDER = 0x0400, - ALIGN = 0x0800, - COLOR = 0x1000, + BIDI_INFO = 0x0010, + SHAPE_TEXT = 0x0020, + GET_GLYPH_METRICS = 0x0040, + LAYOUT = 0x0080, + UPDATE_LAYOUT_SIZE = 0x0100, + REORDER = 0x0200, + ALIGN = 0x0400, + COLOR = 0x0800, + UPDATE_DIRECTION = 0x1000, ALL_OPERATIONS = 0xFFFF }; /** - * @brief Used to distinguish between regular key events and IMF events + * @brief Used to distinguish between regular key events and InputMethodContext events */ enum InsertType { @@ -108,20 +105,94 @@ public: }; /** + * @brief Used to specify what has been updated after the Relayout() method has been called. + */ + enum UpdateTextType + { + NONE_UPDATED = 0x0, ///< Nothing has been updated. + MODEL_UPDATED = 0x1, ///< The text's model has been updated. + DECORATOR_UPDATED = 0x2 ///< The decoration has been updated. + }; + + /** + * @brief Different placeholder-text can be shown when the control is active/inactive. + */ + enum PlaceholderType + { + PLACEHOLDER_TYPE_ACTIVE, + PLACEHOLDER_TYPE_INACTIVE, + }; + + /** + * @brief Enumeration for Font Size Type. + */ + enum FontSizeType + { + POINT_SIZE, // The size of font in points. + PIXEL_SIZE // The size of font in pixels. + }; + + struct NoTextTap + { + enum Action + { + NO_ACTION, ///< Does no action if there is a tap on top of an area with no text. + HIGHLIGHT, ///< Highlights the nearest text (at the beginning or end of the text) and shows the text's selection popup. + SHOW_SELECTION_POPUP ///< Shows the text's selection popup. + }; + }; + + struct TextFitInfo + { + enum Property + { + TEXT_FIT_ENABLE, + TEXT_FIT_MIN_SIZE, + TEXT_FIT_MAX_SIZE, + TEXT_FIT_STEP_SIZE, + TEXT_FIT_FONT_SIZE_TYPE + }; + }; + +public: // Constructor. + + /** + * @brief Create a new instance of a Controller. + * + * @return A pointer to a new Controller. + */ + static ControllerPtr New(); + + /** + * @brief Create a new instance of a Controller. + * + * @param[in] controlInterface The control's interface. + * + * @return A pointer to a new Controller. + */ + static ControllerPtr New( ControlInterface* controlInterface ); + + /** * @brief Create a new instance of a Controller. * - * @param[in] controlInterface An interface used to request a text relayout. + * @param[in] controlInterface The control's interface. + * @param[in] editableControlInterface The editable control's interface. + * * @return A pointer to a new Controller. */ - static ControllerPtr New( ControlInterface& controlInterface ); + static ControllerPtr New( ControlInterface* controlInterface, + EditableControlInterface* editableControlInterface ); + +public: // Configure the text controller. /** * @brief Called to enable text input. * * @note Selectable or editable controls should call this once after Controller::New(). * @param[in] decorator Used to create cursor, selection handle decorations etc. + * @param[in] inputMethodContext Used to manager ime. */ - void EnableTextInput( DecoratorPtr decorator ); + void EnableTextInput( DecoratorPtr decorator, InputMethodContext& inputMethodContext ); /** * @brief Used to switch between bitmap & vector based glyphs @@ -149,504 +220,1022 @@ public: bool IsMarkupProcessorEnabled() const; /** - * @brief Replaces any text previously set. + * @brief Enables/disables the auto text scrolling * - * @note This will be converted into UTF-32 when stored in the text model. - * @param[in] text A string of UTF-8 characters. - */ - void SetText( const std::string& text ); - - /** - * @brief Retrieve any text previously set. + * By default is disabled. * - * @return A string of UTF-8 characters. + * @param[in] enable Whether to enable the auto scrolling */ - void GetText( std::string& text ) const; + void SetAutoScrollEnabled( bool enable ); /** - * @brief Remove a given number of characters + * @brief Retrieves whether auto text scrolling is enabled. * - * When predictve text is used the pre-edit text is removed and inserted again with the new characters. - * The UpdateInputStyleType @type parameter if set to DONT_UPDATE_INPUT_STYLE avoids to update the input - * style when pre-edit text is removed. + * By default is disabled. * - * @param[in] cursorOffset Start position from the current cursor position to start deleting characters. - * @param[in] numberOfCharacters The number of characters to delete from the cursorOffset. - * @param[in] type Whether to update the input style. - * @return True if the remove was successful. + * @return @e true if auto scrolling is enabled, otherwise returns @e false. */ - bool RemoveText( int cursorOffset, - int numberOfCharacters, - UpdateInputStyleType type ); + bool IsAutoScrollEnabled() const; /** - * @brief Retrieve the current cursor position. - * - * @return The cursor position. + * @brief Get direction of the text from the first line of text, + * @return bool rtl (right to left) is true */ - unsigned int GetLogicalCursorPosition() const; + CharacterDirection GetAutoScrollDirection() const; /** - * @brief Replaces any placeholder text previously set. + * @brief Get the alignment offset of the first line of text. * - * @param[in] type Different placeholder-text can be shown when the control is active/inactive. - * @param[in] text A string of UTF-8 characters. + * @return The alignment offset. */ - void SetPlaceholderText( PlaceholderType type, const std::string& text ); + float GetAutoScrollLineAlignment() const; /** - * @brief Retrieve any placeholder text previously set. + * @brief Enables the horizontal scrolling. * - * @param[in] type Different placeholder-text can be shown when the control is active/inactive. - * @param[out] A string of UTF-8 characters. + * @param[in] enable Whether to enable the horizontal scrolling. */ - void GetPlaceholderText( PlaceholderType type, std::string& text ) const; + void SetHorizontalScrollEnabled( bool enable ); /** - * @brief Sets the maximum number of characters that can be inserted into the TextModel + * @brief Retrieves whether the horizontal scrolling is enabled. * - * @param[in] maxCharacters maximum number of characters to be accepted + * @return @e true if the horizontal scrolling is enabled, otherwise it returns @e false. */ - void SetMaximumNumberOfCharacters( Length maxCharacters ); + bool IsHorizontalScrollEnabled() const; /** - * @brief Sets the maximum number of characters that can be inserted into the TextModel + * @brief Enables the vertical scrolling. * - * @param[in] maxCharacters maximum number of characters to be accepted + * @param[in] enable Whether to enable the vertical scrolling. */ - int GetMaximumNumberOfCharacters(); + void SetVerticalScrollEnabled( bool enable ); /** - * @brief Set the default font family. + * @brief Retrieves whether the verticall scrolling is enabled. * - * @param[in] defaultFontFamily The default font family. + * @return @e true if the vertical scrolling is enabled, otherwise it returns @e false. */ - void SetDefaultFontFamily( const std::string& defaultFontFamily ); + bool IsVerticalScrollEnabled() const; /** - * @brief Retrieve the default font family. + * @brief Enables the smooth handle panning. * - * @return The default font family. + * @param[in] enable Whether to enable the smooth handle panning. */ - const std::string& GetDefaultFontFamily() const; + void SetSmoothHandlePanEnabled( bool enable ); /** - * @brief Sets the font's style string. + * @brief Retrieves whether the smooth handle panning is enabled. * - * @note The style set may be changed by the underlying font system. The string is stored to be recovered. - * - * @param[in] style The font's style string. + * @return @e true if the smooth handle panning is enabled. */ - void SetDefaultFontStyle( const std::string& style ); + bool IsSmoothHandlePanEnabled() const; /** - * @brief Retrieves the font's style. + * @brief Sets the maximum number of characters that can be inserted into the TextModel * - * @return The font's style. + * @param[in] maxCharacters maximum number of characters to be accepted */ - const std::string& GetDefaultFontStyle() const; + void SetMaximumNumberOfCharacters( Length maxCharacters ); /** - * @brief Sets the default font weight. + * @brief Sets the maximum number of characters that can be inserted into the TextModel * - * @param[in] weight The font weight. + * @param[in] maxCharacters maximum number of characters to be accepted */ - void SetDefaultFontWeight( FontWeight weight ); + int GetMaximumNumberOfCharacters(); /** - * @brief Retrieves the default font weight. + * @brief Called to enable/disable cursor blink. * - * @return The default font weight. + * @note Only editable controls should calls this. + * @param[in] enabled Whether the cursor should blink or not. */ - FontWeight GetDefaultFontWeight() const; + void SetEnableCursorBlink( bool enable ); /** - * @brief Sets the default font width. + * @brief Query whether cursor blink is enabled. * - * @param[in] width The font width. + * @return Whether the cursor should blink or not. */ - void SetDefaultFontWidth( FontWidth width ); + bool GetEnableCursorBlink() const; /** - * @brief Retrieves the default font width. + * @brief Whether to enable the multi-line layout. * - * @return The default font width. + * @param[in] enable \e true enables the multi-line (by default) */ - FontWidth GetDefaultFontWidth() const; + void SetMultiLineEnabled( bool enable ); /** - * @brief Sets the default font slant. - * - * @param[in] slant The font slant. + * @return Whether the multi-line layout is enabled. */ - void SetDefaultFontSlant( FontSlant slant ); + bool IsMultiLineEnabled() const; /** - * @brief Retrieves the default font slant. + * @brief Sets the text's horizontal alignment. * - * @return The default font slant. + * @param[in] alignment The horizontal alignment. */ - FontSlant GetDefaultFontSlant() const; + void SetHorizontalAlignment( HorizontalAlignment::Type alignment ); /** - * @brief Set the default point size. - * - * @param[in] pointSize The default point size. + * @copydoc ModelInterface::GetHorizontalAlignment() */ - void SetDefaultPointSize( float pointSize ); + HorizontalAlignment::Type GetHorizontalAlignment() const; /** - * @brief Retrieve the default point size. + * @brief Sets the text's vertical alignment. * - * @return The default point size. + * @param[in] alignment The vertical alignment. */ - float GetDefaultPointSize() const; + void SetVerticalAlignment( VerticalAlignment::Type alignment ); /** - * @ brief Update the text after a font change - * @param[in] newDefaultFont The new font to change to + * @copydoc ModelInterface::GetVerticalAlignment() */ - void UpdateAfterFontChange( const std::string& newDefaultFont ); + VerticalAlignment::Type GetVerticalAlignment() const; /** - * @brief Set the text color - * - * @param textColor The text color + * @brief Sets the text's wrap mode + * @param[in] text wrap mode The unit of wrapping */ - void SetTextColor( const Vector4& textColor ); + void SetLineWrapMode( Text::LineWrap::Mode textWarpMode ); /** - * @brief Retrieve the text color - * - * @return The text color + * @brief Retrieve text wrap mode previously set. + * @return text wrap mode */ - const Vector4& GetTextColor() const; + Text::LineWrap::Mode GetLineWrapMode() const; /** - * @brief Set the text color + * @brief Enable or disable the text elide. * - * @param textColor The text color + * @param[in] enabled Whether to enable the text elide. */ - void SetPlaceholderTextColor( const Vector4& textColor ); + void SetTextElideEnabled( bool enabled ); /** - * @brief Retrieve the text color - * - * @return The text color + * @copydoc ModelInterface::IsTextElideEnabled() */ - const Vector4& GetPlaceholderTextColor() const; + bool IsTextElideEnabled() const; /** - * @brief Set the shadow offset. + * @brief Enable or disable the text fit. * - * @param[in] shadowOffset The shadow offset, 0,0 indicates no shadow. + * @param[in] enabled Whether to enable the text fit. */ - void SetShadowOffset( const Vector2& shadowOffset ); + void SetTextFitEnabled(bool enabled); /** - * @brief Retrieve the shadow offset. + * @brief Whether the text fit is enabled or not. * - * @return The shadow offset. + * @return True if the text fit is enabled */ - const Vector2& GetShadowOffset() const; + bool IsTextFitEnabled() const; /** - * @brief Set the shadow color. + * @brief Sets minimum size valid for text fit. * - * @param[in] shadowColor The shadow color. + * @param[in] minimum size value. + * @param[in] type The font size type is point size or pixel size */ - void SetShadowColor( const Vector4& shadowColor ); + void SetTextFitMinSize( float pointSize, FontSizeType type ); /** - * @brief Retrieve the shadow color. + * @brief Retrieves the minimum point size valid for text fit. * - * @return The shadow color. + * @return The minimum point size valid for text fit */ - const Vector4& GetShadowColor() const; + float GetTextFitMinSize() const; /** - * @brief Set the underline color. + * @brief Sets maximum size valid for text fit. * - * @param[in] color color of underline. + * @param[in] maximum size value. + * @param[in] type The font size type is point size or pixel size */ - void SetUnderlineColor( const Vector4& color ); + void SetTextFitMaxSize( float pointSize, FontSizeType type ); /** - * @brief Retrieve the underline color. + * @brief Retrieves the maximum point size valid for text fit. * - * @return The underline color. + * @return The maximum point size valid for text fit */ - const Vector4& GetUnderlineColor() const; + float GetTextFitMaxSize() const; /** - * @brief Set the underline enabled flag. + * @brief Sets step size for font increase valid for text fit. * - * @param[in] enabled The underline enabled flag. + * @param[in] step size value. + * @param[in] type The font size type is point size or pixel size */ - void SetUnderlineEnabled( bool enabled ); + void SetTextFitStepSize( float step, FontSizeType type ); /** - * @brief Returns whether the text is underlined or not. + * @brief Retrieves the step point size valid for text fit. * - * @return The underline state. + * @return The step point size valid for text fit */ - bool IsUnderlineEnabled() const; + float GetTextFitStepSize() const; /** - * @brief Set the override used for underline height, 0 indicates height will be supplied by font metrics + * @brief Sets content size valid for text fit. * - * @param[in] height The height in pixels of the underline + * @param[in] Content size value. */ - void SetUnderlineHeight( float height ); + void SetTextFitContentSize(Vector2 size); /** - * @brief Retrieves the override height of an underline, 0 indicates height is supplied by font metrics + * @brief Retrieves the content size valid for text fit. * - * @return The height of the underline, or 0 if height is not overrided. + * @return The content size valid for text fit */ - float GetUnderlineHeight() const; + Vector2 GetTextFitContentSize() const; /** - * @brief Sets the input text's color. - * - * @param[in] color The input text's color. + * @brief Enable or disable the placeholder text elide. + * @param enabled Whether to enable the placeholder text elide. */ - void SetInputColor( const Vector4& color ); + void SetPlaceholderTextElideEnabled( bool enabled ); /** - * @brief Retrieves the input text's color. - * - * @return The input text's color. + * @brief Whether the placeholder text elide property is enabled. + * @return True if the placeholder text elide property is enabled, false otherwise. */ - const Vector4& GetInputColor() const; + bool IsPlaceholderTextElideEnabled() const; /** - * @brief Sets the input text's font family name. - * - * @param[in] fontFamily The text's font family name. + * @brief Enable or disable the text selection. + * @param[in] enabled Whether to enable the text selection. */ - void SetInputFontFamily( const std::string& fontFamily ); + void SetSelectionEnabled( bool enabled ); /** - * @brief Retrieves the input text's font family name. - * - * @return The input text's font family name. + * @brief Whether the text selection is enabled or not. + * @return True if the text selection is enabled */ - const std::string& GetInputFontFamily() const; + bool IsSelectionEnabled() const; /** - * @brief Sets the input text's font style. - * - * @param[in] fontStyle The input text's font style. + * @brief Enable or disable the text selection using Shift key. + * @param enabled Whether to enable the text selection using Shift key */ - void SetInputFontStyle( const std::string& fontStyle ); + void SetShiftSelectionEnabled( bool enabled ); /** - * @brief Retrieves the input text's font style. - * - * @return The input text's font style. + * @brief Whether the text selection using Shift key is enabled or not. + * @return True if the text selection using Shift key is enabled */ - const std::string& GetInputFontStyle() const; + bool IsShiftSelectionEnabled() const; /** - * @brief Sets the input font's weight. + * @brief Enable or disable the grab handles for text selection. * - * @param[in] weight The input font's weight. + * @param[in] enabled Whether to enable the grab handles */ - void SetInputFontWeight( FontWeight weight ); + void SetGrabHandleEnabled( bool enabled ); /** - * @brief Retrieves the input font's weight. + * @brief Returns whether the grab handles are enabled. * - * @return The input font's weight. + * @return True if the grab handles are enabled */ - FontWeight GetInputFontWeight() const; + bool IsGrabHandleEnabled() const; /** - * @brief Sets the input font's width. + * @brief Enable or disable the grab handles for text selection. * - * @param[in] width The input font's width. + * @param[in] enabled Whether to enable the grab handles */ - void SetInputFontWidth( FontWidth width ); + void SetGrabHandlePopupEnabled( bool enabled ); /** - * @brief Retrieves the input font's width. + * @brief Returns whether the grab handles are enabled. * - * @return The input font's width. + * @return True if the grab handles are enabled */ - FontWidth GetInputFontWidth() const; + bool IsGrabHandlePopupEnabled() const; /** - * @brief Sets the input font's slant. + * @brief Sets input type to password * - * @param[in] slant The input font's slant. - */ - void SetInputFontSlant( FontSlant slant ); - - /** - * @brief Retrieves the input font's slant. + * @note The string is displayed hidden character * - * @return The input font's slant. + * @param[in] passwordInput True if password input is enabled. */ - FontSlant GetInputFontSlant() const; + void SetInputModePassword( bool passwordInput ); /** - * @brief Sets the input font's point size. + * @brief Returns whether the input mode type is set as password. * - * @param[in] size The input font's point size. + * @return True if input mode type is password */ - void SetInputFontPointSize( float size ); + bool IsInputModePassword(); /** - * @brief Retrieves the input font's point size. + * @brief Sets the action when there is a double tap event on top of a text area with no text. * - * @return The input font's point size. + * @param[in] action The action to do. */ - float GetInputFontPointSize() const; + void SetNoTextDoubleTapAction( NoTextTap::Action action ); /** - * @brief Called to enable/disable cursor blink. + * @brief Retrieves the action when there is a double tap event on top of a text area with no text. * - * @note Only editable controls should calls this. - * @param[in] enabled Whether the cursor should blink or not. + * @return The action to do. */ - void SetEnableCursorBlink( bool enable ); + NoTextTap::Action GetNoTextDoubleTapAction() const; /** - * @brief Query whether cursor blink is enabled. + * @briefSets the action when there is a long press event on top of a text area with no text. * - * @return Whether the cursor should blink or not. + * @param[in] action The action to do. */ - bool GetEnableCursorBlink() const; + void SetNoTextLongPressAction( NoTextTap::Action action ); /** - * @brief Query the current scroll position; the UI control is responsible for moving actors to this position. + * @brief Retrieves the action when there is a long press event on top of a text area with no text. * - * @return The scroll position. + * @return The action to do. */ - const Vector2& GetScrollPosition() const; + NoTextTap::Action GetNoTextLongPressAction() const; /** - * @brief Query the alignment offset. - * - * @return The alignmnet offset. + * @brief Query if Underline settings were provided by string or map + * @return bool true if set by string */ - const Vector2& GetAlignmentOffset() const; + bool IsUnderlineSetByString(); /** - * @copydoc Control::GetNaturalSize() + * Set method underline setting were set by + * @param[in] bool, true if set by string */ - Vector3 GetNaturalSize(); + void UnderlineSetByString( bool setByString ); /** - * @copydoc Control::GetHeightForWidth() + * @brief Query if shadow settings were provided by string or map + * @return bool true if set by string */ - float GetHeightForWidth( float width ); + bool IsShadowSetByString(); /** - * @brief Triggers a relayout which updates View (if necessary). - * - * @note UI Controls are expected to minimize calls to this method e.g. call once after size negotiation. - * @param[in] size A the size of a bounding box to layout text within. - * @return True if the text model or decorations were updated. + * Set method shadow setting were set by + * @param[in] bool, true if set by string */ - bool Relayout( const Size& size ); + void ShadowSetByString( bool setByString ); /** - * @brief Process queued events which modify the model. + * @brief Query if outline settings were provided by string or map + * @return bool true if set by string */ - void ProcessModifyEvents(); + bool IsOutlineSetByString(); /** - * @brief Used to remove placeholder text. + * Set method outline setting were set by + * @param[in] bool, true if set by string */ - void ResetText(); + void OutlineSetByString( bool setByString ); /** - * @brief Used to reset the cursor position after setting a new text. - * - * @param[in] cursorIndex Where to place the cursor. + * @brief Query if font style settings were provided by string or map + * @return bool true if set by string */ - void ResetCursorPosition( CharacterIndex cursorIndex ); + bool IsFontStyleSetByString(); /** - * @brief Used to reset the scroll position after setting a new text. + * Set method font style setting were set by + * @param[in] bool, true if set by string */ - void ResetScrollPosition(); + void FontStyleSetByString( bool setByString ); + +public: // Update. /** - * @brief Used to process an event queued from SetText() + * @brief Replaces any text previously set. + * + * @note This will be converted into UTF-32 when stored in the text model. + * @param[in] text A string of UTF-8 characters. */ - void TextReplacedEvent(); + void SetText( const std::string& text ); /** - * @brief Used to process an event queued from key events etc. + * @brief Retrieve any text previously set. + * + * @param[out] text A string of UTF-8 characters. */ - void TextInsertedEvent(); + void GetText( std::string& text ) const; /** - * @brief Used to process an event queued from backspace key etc. + * @brief Replaces any placeholder text previously set. + * + * @param[in] type Different placeholder-text can be shown when the control is active/inactive. + * @param[in] text A string of UTF-8 characters. + */ + void SetPlaceholderText( PlaceholderType type, const std::string& text ); + + /** + * @brief Retrieve any placeholder text previously set. + * + * @param[in] type Different placeholder-text can be shown when the control is active/inactive. + * @param[out] A string of UTF-8 characters. + */ + void GetPlaceholderText( PlaceholderType type, std::string& text ) const; + + /** + * @ brief Update the text after a font change + * @param[in] newDefaultFont The new font to change to + */ + void UpdateAfterFontChange( const std::string& newDefaultFont ); + +public: // Default style & Input style + + /** + * @brief Set the default font family. + * + * @param[in] defaultFontFamily The default font family. + */ + void SetDefaultFontFamily( const std::string& defaultFontFamily ); + + /** + * @brief Retrieve the default font family. + * + * @return The default font family. + */ + const std::string& GetDefaultFontFamily() const; + + /** + * @brief Sets the placeholder text font family. + * @param[in] placeholderTextFontFamily The placeholder text font family. + */ + void SetPlaceholderFontFamily( const std::string& placeholderTextFontFamily ); + + /** + * @brief Retrieves the placeholder text font family. + * + * @return The placeholder text font family + */ + const std::string& GetPlaceholderFontFamily() const; + + /** + * @brief Sets the default font weight. + * + * @param[in] weight The font weight. + */ + void SetDefaultFontWeight( FontWeight weight ); + + /** + * @brief Whether the font's weight has been defined. + */ + bool IsDefaultFontWeightDefined() const; + + /** + * @brief Retrieves the default font weight. + * + * @return The default font weight. + */ + FontWeight GetDefaultFontWeight() const; + + /** + * @brief Sets the placeholder text font weight. + * + * @param[in] weight The font weight + */ + void SetPlaceholderTextFontWeight( FontWeight weight ); + + /** + * @brief Whether the font's weight has been defined. + * + * @return True if the placeholder text font weight is defined + */ + bool IsPlaceholderTextFontWeightDefined() const; + + /** + * @brief Retrieves the placeholder text font weight. + * + * @return The placeholder text font weight + */ + FontWeight GetPlaceholderTextFontWeight() const; + + /** + * @brief Sets the default font width. + * + * @param[in] width The font width. + */ + void SetDefaultFontWidth( FontWidth width ); + + /** + * @brief Whether the font's width has been defined. + */ + bool IsDefaultFontWidthDefined() const; + + /** + * @brief Retrieves the default font width. + * + * @return The default font width. + */ + FontWidth GetDefaultFontWidth() const; + + /** + * @brief Sets the placeholder text font width. + * + * @param[in] width The font width + */ + void SetPlaceholderTextFontWidth( FontWidth width ); + + /** + * @brief Whether the font's width has been defined. + * + * @return True if the placeholder text font width is defined + */ + bool IsPlaceholderTextFontWidthDefined() const; + + /** + * @brief Retrieves the placeholder text font width. + * + * @return The placeholder text font width + */ + FontWidth GetPlaceholderTextFontWidth() const; + + /** + * @brief Sets the default font slant. + * + * @param[in] slant The font slant. + */ + void SetDefaultFontSlant( FontSlant slant ); + + /** + * @brief Whether the font's slant has been defined. + */ + bool IsDefaultFontSlantDefined() const; + + /** + * @brief Retrieves the default font slant. + * + * @return The default font slant. + */ + FontSlant GetDefaultFontSlant() const; + + /** + * @brief Sets the placeholder text font slant. + * + * @param[in] slant The font slant + */ + void SetPlaceholderTextFontSlant( FontSlant slant ); + + /** + * @brief Whether the font's slant has been defined. + * + * @return True if the placeholder text font slant is defined + */ + bool IsPlaceholderTextFontSlantDefined() const; + + /** + * @brief Retrieves the placeholder text font slant. + * + * @return The placeholder text font slant + */ + FontSlant GetPlaceholderTextFontSlant() const; + + /** + * @brief Set the default font size. + * + * @param[in] fontSize The default font size + * @param[in] type The font size type is point size or pixel size + */ + void SetDefaultFontSize( float fontSize, FontSizeType type ); + + /** + * @brief Retrieve the default point size. + * + * @param[in] type The font size type + * @return The default point size. + */ + float GetDefaultFontSize( FontSizeType type ) const; + + /** + * @brief Sets the Placeholder text font size. + * @param[in] fontSize The placeholder text font size + * @param[in] type The font size type is point size or pixel size + */ + void SetPlaceholderTextFontSize( float fontSize, FontSizeType type ); + + /** + * @brief Retrieves the Placeholder text font size. + * @param[in] type The font size type + * @return The placeholder font size + */ + float GetPlaceholderTextFontSize( FontSizeType type ) const; + + /** + * @brief Sets the text's default color. + * + * @param color The default color. + */ + void SetDefaultColor( const Vector4& color ); + + /** + * @brief Retrieves the text's default color. + * + * @return The default color. + */ + const Vector4& GetDefaultColor() const; + + /** + * @brief Set the text color + * + * @param textColor The text color + */ + void SetPlaceholderTextColor( const Vector4& textColor ); + + /** + * @brief Retrieve the text color + * + * @return The text color + */ + const Vector4& GetPlaceholderTextColor() const; + + /** + * @brief Set the shadow offset. + * + * @param[in] shadowOffset The shadow offset, 0,0 indicates no shadow. + */ + void SetShadowOffset( const Vector2& shadowOffset ); + + /** + * @brief Retrieve the shadow offset. + * + * @return The shadow offset. + */ + const Vector2& GetShadowOffset() const; + + /** + * @brief Set the shadow color. + * + * @param[in] shadowColor The shadow color. + */ + void SetShadowColor( const Vector4& shadowColor ); + + /** + * @brief Retrieve the shadow color. + * + * @return The shadow color. + */ + const Vector4& GetShadowColor() const; + + /** + * @brief Set the shadow blur radius. + * + * @param[in] shadowBlurRadius The shadow blur radius, 0,0 indicates no blur. + */ + void SetShadowBlurRadius( const float& shadowBlurRadius ); + + /** + * @brief Retrieve the shadow blur radius. + * + * @return The shadow blur radius. + */ + const float& GetShadowBlurRadius() const; + + /** + * @brief Set the underline color. + * + * @param[in] color color of underline. + */ + void SetUnderlineColor( const Vector4& color ); + + /** + * @brief Retrieve the underline color. + * + * @return The underline color. + */ + const Vector4& GetUnderlineColor() const; + + /** + * @brief Set the underline enabled flag. + * + * @param[in] enabled The underline enabled flag. + */ + void SetUnderlineEnabled( bool enabled ); + + /** + * @brief Returns whether the text is underlined or not. + * + * @return The underline state. + */ + bool IsUnderlineEnabled() const; + + /** + * @brief Set the override used for underline height, 0 indicates height will be supplied by font metrics + * + * @param[in] height The height in pixels of the underline + */ + void SetUnderlineHeight( float height ); + + /** + * @brief Retrieves the override height of an underline, 0 indicates height is supplied by font metrics + * + * @return The height of the underline, or 0 if height is not overrided. + */ + float GetUnderlineHeight() const; + + /** + * @brief Set the outline color. + * + * @param[in] color color of outline. + */ + void SetOutlineColor( const Vector4& color ); + + /** + * @brief Retrieve the outline color. + * + * @return The outline color. + */ + const Vector4& GetOutlineColor() const; + + /** + * @brief Set the outline width + * + * @param[in] width The width in pixels of the outline, 0 indicates no outline + */ + void SetOutlineWidth( uint16_t width ); + + /** + * @brief Retrieves the width of an outline + * + * @return The width of the outline. + */ + uint16_t GetOutlineWidth() const; + + /** + * @brief Set the background color. + * + * @param[in] color color of background. + */ + void SetBackgroundColor( const Vector4& color ); + + /** + * @brief Retrieve the background color. + * + * @return The background color. + */ + const Vector4& GetBackgroundColor() const; + + /** + * @brief Set the background enabled flag. + * + * @param[in] enabled The background enabled flag. + */ + void SetBackgroundEnabled( bool enabled ); + + /** + * @brief Returns whether to enable text background or not. + * + * @return Whether text background is enabled. + */ + bool IsBackgroundEnabled() const; + + /** + * @brief Sets the emboss's properties string. + * + * @note The string is stored to be recovered. + * + * @param[in] embossProperties The emboss's properties string. + */ + void SetDefaultEmbossProperties( const std::string& embossProperties ); + + /** + * @brief Retrieves the emboss's properties string. + * + * @return The emboss's properties string. + */ + const std::string& GetDefaultEmbossProperties() const; + + /** + * @brief Sets the outline's properties string. + * + * @note The string is stored to be recovered. + * + * @param[in] outlineProperties The outline's properties string. + */ + void SetDefaultOutlineProperties( const std::string& outlineProperties ); + + /** + * @brief Retrieves the outline's properties string. + * + * @return The outline's properties string. + */ + const std::string& GetDefaultOutlineProperties() const; + + /** + * @brief Sets the default line spacing. + * + * @param[in] lineSpacing The line spacing. + * + * @return True if lineSpacing has been updated, false otherwise + */ + bool SetDefaultLineSpacing( float lineSpacing ); + + /** + * @brief Retrieves the default line spacing. + * + * @return The line spacing. + */ + float GetDefaultLineSpacing() const; + + /** + * @brief Sets the input text's color. + * + * @param[in] color The input text's color. + */ + void SetInputColor( const Vector4& color ); + + /** + * @brief Retrieves the input text's color. + * + * @return The input text's color. + */ + const Vector4& GetInputColor() const; + + /** + * @brief Sets the input text's font family name. + * + * @param[in] fontFamily The text's font family name. + */ + void SetInputFontFamily( const std::string& fontFamily ); + + /** + * @brief Retrieves the input text's font family name. + * + * @return The input text's font family name. + */ + const std::string& GetInputFontFamily() const; + + /** + * @brief Sets the input font's weight. + * + * @param[in] weight The input font's weight. + */ + void SetInputFontWeight( FontWeight weight ); + + /** + * @return Whether the font's weight has been defined. + */ + bool IsInputFontWeightDefined() const; + + /** + * @brief Retrieves the input font's weight. + * + * @return The input font's weight. + */ + FontWeight GetInputFontWeight() const; + + /** + * @brief Sets the input font's width. + * + * @param[in] width The input font's width. + */ + void SetInputFontWidth( FontWidth width ); + + /** + * @return Whether the font's width has been defined. + */ + bool IsInputFontWidthDefined() const; + + /** + * @brief Retrieves the input font's width. + * + * @return The input font's width. + */ + FontWidth GetInputFontWidth() const; + + /** + * @brief Sets the input font's slant. + * + * @param[in] slant The input font's slant. + */ + void SetInputFontSlant( FontSlant slant ); + + /** + * @return Whether the font's slant has been defined. + */ + bool IsInputFontSlantDefined() const; + + /** + * @brief Retrieves the input font's slant. + * + * @return The input font's slant. + */ + FontSlant GetInputFontSlant() const; + + /** + * @brief Sets the input font's point size. + * + * @param[in] size The input font's point size. + */ + void SetInputFontPointSize( float size ); + + /** + * @brief Retrieves the input font's point size. + * + * @return The input font's point size. + */ + float GetInputFontPointSize() const; + + /** + * @brief Sets the input line spacing. + * + * @param[in] lineSpacing The line spacing. + */ + void SetInputLineSpacing( float lineSpacing ); + + /** + * @brief Retrieves the input line spacing. + * + * @return The line spacing. + */ + float GetInputLineSpacing() const; + + /** + * @brief Sets the input shadow's properties string. + * + * @note The string is stored to be recovered. + * + * @param[in] shadowProperties The shadow's properties string. */ - void TextDeletedEvent(); + void SetInputShadowProperties( const std::string& shadowProperties ); /** - * @brief Lays-out the text. - * - * GetNaturalSize(), GetHeightForWidth() and Relayout() calls this method. + * @brief Retrieves the input shadow's properties string. * - * @param[in] size A the size of a bounding box to layout text within. - * @param[in] operations The layout operations which need to be done. - * @param[out] layoutSize The size of the laid-out text. + * @return The shadow's properties string. */ - bool DoRelayout( const Size& size, - OperationsMask operations, - Size& layoutSize ); + const std::string& GetInputShadowProperties() const; /** - * @brief Whether to enable the multi-line layout. + * @brief Sets the input underline's properties string. * - * @param[in] enable \e true enables the multi-line (by default) + * @note The string is stored to be recovered. + * + * @param[in] underlineProperties The underline's properties string. */ - void SetMultiLineEnabled( bool enable ); + void SetInputUnderlineProperties( const std::string& underlineProperties ); /** - * @return Whether the multi-line layout is enabled. + * @brief Retrieves the input underline's properties string. + * + * @return The underline's properties string. */ - bool IsMultiLineEnabled() const; + const std::string& GetInputUnderlineProperties() const; /** - * @copydoc Dali::Toolkit::Text::LayoutEngine::SetHorizontalAlignment() + * @brief Sets the input emboss's properties string. + * + * @note The string is stored to be recovered. + * + * @param[in] embossProperties The emboss's properties string. */ - void SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment ); + void SetInputEmbossProperties( const std::string& embossProperties ); /** - * @copydoc Dali::Toolkit::Text::LayoutEngine::GetHorizontalAlignment() + * @brief Retrieves the input emboss's properties string. + * + * @return The emboss's properties string. */ - LayoutEngine::HorizontalAlignment GetHorizontalAlignment() const; + const std::string& GetInputEmbossProperties() const; /** - * @copydoc Dali::Toolkit::Text::LayoutEngine::SetVerticalAlignment() + * @brief Sets input the outline's properties string. + * + * @note The string is stored to be recovered. + * + * @param[in] outlineProperties The outline's properties string. */ - void SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment ); + void SetInputOutlineProperties( const std::string& outlineProperties ); /** - * @copydoc Dali::Toolkit::Text::LayoutEngine::GetVerticalAlignment() + * @brief Retrieves the input outline's properties string. + * + * @return The outline's properties string. */ - LayoutEngine::VerticalAlignment GetVerticalAlignment() const; + const std::string& GetInputOutlineProperties() const; /** - * @brief Calulates the alignment of the whole text inside the bounding box. + * @brief Set the control's interface. * - * @param[in] size The size of the bounding box. + * @param[in] controlInterface The control's interface. */ - void CalculateTextAlignment( const Size& size ); + void SetControlInterface( ControlInterface* controlInterface ); + +public: // Queries & retrieves. /** * @brief Return the layout engine. * * @return A reference to the layout engine. */ - LayoutEngine& GetLayoutEngine(); + Layout::Engine& GetLayoutEngine(); /** * @brief Return a view of the text. @@ -655,39 +1244,191 @@ public: */ View& GetView(); - // Text-input Event Queuing + /** + * @copydoc Control::GetNaturalSize() + */ + Vector3 GetNaturalSize(); /** - * @brief Called by editable UI controls when keyboard focus is gained. + * @copydoc Control::GetHeightForWidth() */ - void KeyboardFocusGainEvent(); + float GetHeightForWidth( float width ); /** - * @brief Called by editable UI controls when focus is lost. + * @brief Calculates the point size for text for given layout() */ - void KeyboardFocusLostEvent(); + void FitPointSizeforLayout( Size layoutSize ); /** - * @brief Called by editable UI controls when key events are received. + * @brief Checks if the point size fits within the layout size. * - * @param[in] event The key event. - * @param[in] type Used to distinguish between regular key events and IMF events. + * @return Whether the point size fits within the layout size. */ - bool KeyEvent( const Dali::KeyEvent& event ); + bool CheckForTextFit( float pointSize, Size& layoutSize ); /** - * @brief Called by editable UI controls when key events are received. + * @brief Retrieves the text's number of lines for a given width. + * @param[in] width The width of the text's area. + * @ return The number of lines. + */ + int GetLineCount( float width ); + + /** + * @brief Retrieves the text's model. * - * @param[in] text The text to insert. - * @param[in] type Used to distinguish between regular key events and IMF events. + * @return A pointer to the text's model. */ - void InsertText( const std::string& text, InsertType type ); + const ModelInterface* const GetTextModel() const; /** - * @brief Checks if text is selected and if so removes it. - * @return true if text was removed + * @brief Used to get scrolled distance by user input + * + * @return Distance from last scroll offset to new scroll offset */ - bool RemoveSelectedText(); + float GetScrollAmountByUserInput(); + + /** + * @brief Get latest scroll amount, control size and layout size + * + * This method is used to get information of control's scroll + * @param[out] scrollPosition The current scrolled position + * @param[out] controlHeight The size of a UI control + * @param[out] layoutHeight The size of a bounding box to layout text within. + * + * @return Whether the text scroll position is changed or not after last update. + */ + bool GetTextScrollInfo( float& scrollPosition, float& controlHeight, float& layoutHeight ); + + /** + * @brief Used to set the hidden input option + */ + void SetHiddenInputOption( const Property::Map& options ); + + /** + * @brief Used to get the hidden input option + */ + void GetHiddenInputOption( Property::Map& options ); + + /** + * @brief Sets the Placeholder Properties. + * + * @param[in] map The placeholder property map + */ + void SetPlaceholderProperty( const Property::Map& map ); + + /** + * @brief Retrieves the Placeholder Property map. + * + * @param[out] map The property map + */ + void GetPlaceholderProperty( Property::Map& map ); + + /** + * @brief Checks text direction. + * @return The text direction. + */ + Toolkit::DevelText::TextDirection::Type GetTextDirection(); + + /** + * @brief Retrieves vertical line alignment + * @return The vertical line alignment + */ + Toolkit::DevelText::VerticalLineAlignment::Type GetVerticalLineAlignment() const; + + /** + * @brief Sets vertical line alignment + * @param[in] alignment The vertical line alignment for the text + */ + void SetVerticalLineAlignment( Toolkit::DevelText::VerticalLineAlignment::Type alignment ); + + /** + * @brief Retrieves ignoreSpaceAfterText value from model + * @return The value of ignoreSpaceAfterText + */ + bool IsIgnoreSpacesAfterText() const; + + /** + * @brief Sets ignoreSpaceAfterText value to model + * @param[in] ignore The value of ignoreSpacesAfterText for the text + */ + void SetIgnoreSpacesAfterText( bool ignore ); + + /** + * @brief Retrieves matchSystemLanguageDirection value from model + * @return The value of matchSystemLanguageDirection + */ + bool IsMatchSystemLanguageDirection() const; + + /** + * @brief Sets matchSystemLanguageDirection value to model + * @param[in] match The value of matchSystemLanguageDirection for the text + */ + void SetMatchSystemLanguageDirection( bool match ); + + /** + * @brief Sets layoutDirection value + * @param[in] layoutDirection The value of system language direction + */ + void SetLayoutDirection( Dali::LayoutDirection::Type layoutDirection ); + + /** + * @brief Retrieves if showing real text or not. + * @return The value of showing real text. + */ + bool IsShowingRealText() const; + +public: // Relayout. + + /** + * @brief Triggers a relayout which updates View (if necessary). + * + * @note UI Controls are expected to minimize calls to this method e.g. call once after size negotiation. + * @param[in] size A the size of a bounding box to layout text within. + * @param[in] layoutDirection The direction of the system language. + * + * @return Whether the text model or decorations were updated. + */ + UpdateTextType Relayout( const Size& size, Dali::LayoutDirection::Type layoutDirection = Dali::LayoutDirection::LEFT_TO_RIGHT ); + + /** + * @brief Request a relayout using the ControlInterface. + */ + void RequestRelayout(); + +public: // Input style change signals. + + /** + * @return Whether the queue of input style changed signals is empty. + */ + bool IsInputStyleChangedSignalsQueueEmpty(); + + /** + * @brief Process all pending input style changed signals. + * + * Calls the Text::ControlInterface::InputStyleChanged() method which is overriden by the + * text controls. Text controls may send signals to state the input style has changed. + */ + void ProcessInputStyleChangedSignals(); + +public: // Text-input Event Queuing. + + /** + * @brief Called by editable UI controls when keyboard focus is gained. + */ + void KeyboardFocusGainEvent(); + + /** + * @brief Called by editable UI controls when focus is lost. + */ + void KeyboardFocusLostEvent(); + + /** + * @brief Called by editable UI controls when key events are received. + * + * @param[in] event The key event. + * @param[in] type Used to distinguish between regular key events and InputMethodContext events. + */ + bool KeyEvent( const Dali::KeyEvent& event ); /** * @brief Called by editable UI controls when a tap gesture occurs. @@ -726,24 +1467,34 @@ public: void SelectEvent( float x, float y, bool selectAll ); /** - * @brief Event received from IMF manager + * @brief Event received from input method context * - * @param[in] imfManager The IMF manager. - * @param[in] imfEvent The event received. + * @param[in] inputMethodContext The input method context. + * @param[in] inputMethodContextEvent The event received. * @return A data struture indicating if update is needed, cursor position and current text. */ - ImfManager::ImfCallbackData OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent ); + InputMethodContext::CallbackData OnInputMethodContextEvent( InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent ); /** - * @brief Paste given string into Text model - * @param[in] stringToPaste this string will be inserted into the text model + * @brief Event from Clipboard notifying an Item has been selected for pasting */ - void PasteText( const std::string& stringToPaste ); + void PasteClipboardItemEvent(); /** - * @brief Event from Clipboard notifying an Item has been selected for pasting + * @brief Return true when text control should clear key input focus when escape key is pressed. + * + * @return Whether text control should clear key input focus or not when escape key is pressed. */ - void PasteClipboardItemEvent(); + bool ShouldClearFocusOnEscape() const; + + /** + * @brief Create an actor that renders the text background color + * + * @return the created actor or an empty handle if no background color needs to be rendered. + */ + Actor CreateBackgroundActor(); + +protected: // Inherit from Text::Decorator::ControllerInterface. /** * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::GetTargetSize() @@ -760,34 +1511,119 @@ public: */ virtual void DecorationEvent( HandleType handle, HandleState state, float x, float y ); +protected: // Inherit from TextSelectionPopup::TextPopupButtonCallbackInterface. + /** * @copydoc Dali::Toolkit::TextSelectionPopup::TextPopupButtonCallbackInterface::TextPopupButtonTouched() */ virtual void TextPopupButtonTouched( Dali::Toolkit::TextSelectionPopup::Buttons button ); -protected: +protected: // Inherit from HiddenText. /** - * @brief A reference counted object may only be deleted by calling Unreference(). + * @brief Invoked from HiddenText when showing time of the last character was expired */ - virtual ~Controller(); + virtual void DisplayTimeExpired(); -private: +private: // Update. + + /** + * @brief Called by editable UI controls when key events are received. + * + * @param[in] text The text to insert. + * @param[in] type Used to distinguish between regular key events and InputMethodContext events. + */ + void InsertText( const std::string& text, InsertType type ); + + /** + * @brief Paste given string into Text model + * @param[in] stringToPaste this string will be inserted into the text model + */ + void PasteText( const std::string& stringToPaste ); + + /** + * @brief Remove a given number of characters + * + * When predictve text is used the pre-edit text is removed and inserted again with the new characters. + * The UpdateInputStyleType @type parameter if set to DONT_UPDATE_INPUT_STYLE avoids to update the input + * style when pre-edit text is removed. + * + * @param[in] cursorOffset Start position from the current cursor position to start deleting characters. + * @param[in] numberOfCharacters The number of characters to delete from the cursorOffset. + * @param[in] type Whether to update the input style. + * @return True if the remove was successful. + */ + bool RemoveText( int cursorOffset, + int numberOfCharacters, + UpdateInputStyleType type ); + + /** + * @brief Checks if text is selected and if so removes it. + * @return true if text was removed + */ + bool RemoveSelectedText(); + +private: // Relayout. + + /** + * @brief Lays-out the text. + * + * GetNaturalSize(), GetHeightForWidth() and Relayout() calls this method. + * + * @param[in] size A the size of a bounding box to layout text within. + * @param[in] operations The layout operations which need to be done. + * @param[out] layoutSize The size of the laid-out text. + */ + bool DoRelayout( const Size& size, + OperationsMask operations, + Size& layoutSize ); + + /** + * @brief Calulates the vertical offset to align the text inside the bounding box. + * + * @param[in] size The size of the bounding box. + */ + void CalculateVerticalOffset( const Size& size ); + +private: // Events. + + /** + * @brief Process queued events which modify the model. + */ + void ProcessModifyEvents(); + + /** + * @brief Used to process an event queued from SetText() + */ + void TextReplacedEvent(); + + /** + * @brief Used to process an event queued from key events etc. + */ + void TextInsertedEvent(); + + /** + * @brief Used to process an event queued from backspace key etc. + */ + void TextDeletedEvent(); /** - * @brief Helper to KeyEvent() to handle the backspace case. + * @brief Helper to KeyEvent() to handle the backspace or delete key case. * + * @param[in] keyCode The keycode for the key pressed * @return True if a character was deleted. */ - bool BackspaceKeyEvent(); + bool DeleteEvent( int keyCode ); + +private: // Helpers. /** - * @brief Helper to notify IMF manager with surrounding text & cursor changes. + * @brief Used to remove the text included the placeholder text. */ - void NotifyImfManager(); + void ResetText(); /** - * @brief Helper to clear font-specific data. + * @brief Helper to show the place holder text.. */ void ShowPlaceholderText(); @@ -802,9 +1638,34 @@ private: void ClearStyleData(); /** + * @brief Used to reset the cursor position after setting a new text. + * + * @param[in] cursorIndex Where to place the cursor. + */ + void ResetCursorPosition( CharacterIndex cursorIndex ); + + /** + * @brief Used to reset the scroll position after setting a new text. + */ + void ResetScrollPosition(); + +private: // Private contructors & copy operator. + + /** + * @brief Private constructor. + */ + Controller(); + + /** + * @brief Private constructor. + */ + Controller( ControlInterface* controlInterface ); + + /** * @brief Private constructor. */ - Controller( ControlInterface& controlInterface ); + Controller( ControlInterface* controlInterface, + EditableControlInterface* editableControlInterface ); // Undefined Controller( const Controller& handle ); @@ -812,9 +1673,19 @@ private: // Undefined Controller& operator=( const Controller& handle ); +protected: // Destructor. + + /** + * @brief A reference counted object may only be deleted by calling Unreference(). + */ + virtual ~Controller(); + +public: + + struct Impl; ///< Made public for testing purposes + private: - struct Impl; Impl* mImpl; }; @@ -824,4 +1695,4 @@ private: } // namespace Dali -#endif // __DALI_TOOLKIT_TEXT_CONTROLLER_H__ +#endif // DALI_TOOLKIT_TEXT_CONTROLLER_H