-#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) 2016 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/imf-manager.h>
+#include <dali/public-api/events/gesture.h>
+
// INTERNAL INCLUDES
+#include <dali-toolkit/devel-api/controls/text-controls/text-selection-popup-callback-interface.h>
#include <dali-toolkit/internal/text/decorator/text-decorator.h>
-#include <dali-toolkit/internal/text/text-control-interface.h>
-#include <dali-toolkit/internal/text/text-view.h>
-
-// EXTERNAL INCLUDES
-#include <dali/public-api/common/intrusive-ptr.h>
-#include <dali/public-api/math/vector3.h>
-#include <dali/public-api/math/vector2.h>
-#include <dali/public-api/object/ref-object.h>
-#include <string>
+#include <dali-toolkit/internal/text/layouts/layout-engine.h>
+#include <dali-toolkit/internal/text/text-scroller-interface.h>
namespace Dali
{
{
class Controller;
-class LayoutEngine;
+class ControlInterface;
+class EditableControlInterface;
+class View;
+struct ScrollerData;
typedef IntrusivePtr<Controller> ControllerPtr;
-typedef Dali::Toolkit::Text::ControlInterface ControlInterface;
/**
* @brief A Text Controller is used by UI Controls which display text.
* It provides a view of the text that can be used by rendering back-ends.
*
* For selectable/editable UI controls, the controller handles input events from the UI control
- * and decorations (grab handles etc) via an observer interface.
+ * and decorations (grab handles etc) via the Decorator::ControllerInterface interface.
+ *
+ * The text selection popup button callbacks are as well handled via the TextSelectionPopupCallbackInterface interface.
*/
-class Controller : public RefObject, public Decorator::Observer
+class Controller : public RefObject, public Decorator::ControllerInterface, public TextSelectionPopupCallbackInterface, public Text::ScrollerInterface
{
-private:
+public: // Enumerated types.
/**
* @brief Text related operations to be done in the relayout process.
*/
enum OperationsMask
{
- NO_OPERATION = 0x0,
- CONVERT_TO_UTF32 = 0x1,
- GET_SCRIPTS = 0x2,
- VALIDATE_FONTS = 0x4,
- GET_LINE_BREAKS = 0x8,
- GET_WORD_BREAKS = 0x10,
- SHAPE_TEXT = 0x20,
- GET_GLYPH_METRICS = 0x40,
- LAYOUT = 0x80,
- REORDER = 0x100,
- ALIGNMENT = 0x200,
- RENDER = 0x400,
- ALL_OPERATIONS = 0xFFF
+ NO_OPERATION = 0x0000,
+ CONVERT_TO_UTF32 = 0x0001,
+ 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_LAYOUT_SIZE = 0x0200,
+ REORDER = 0x0400,
+ ALIGN = 0x0800,
+ COLOR = 0x1000,
+ UPDATE_DIRECTION = 0x2000,
+ ALL_OPERATIONS = 0xFFFF
+ };
+
+ /**
+ * @brief Used to distinguish between regular key events and IMF events
+ */
+ enum InsertType
+ {
+ COMMIT,
+ PRE_EDIT
+ };
+
+ /**
+ * @brief Used to specify whether to update the input style.
+ */
+ enum UpdateInputStyleType
+ {
+ UPDATE_INPUT_STYLE,
+ DONT_UPDATE_INPUT_STYLE
};
-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,
+ };
+
+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 );
+
+ /**
+ * @brief Sets the text-control interface.
+ *
+ * @param[in] controlInterface The text-control interface.
+ */
+ void SetTextControlInterface( ControlInterface* controlInterface );
+
+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.
+ */
+ void EnableTextInput( DecoratorPtr decorator );
+
+ /**
+ * @brief Used to switch between bitmap & vector based glyphs
+ *
+ * @param[in] glyphType The type of glyph; note that metrics for bitmap & vector based glyphs are different.
+ */
+ void SetGlyphType( TextAbstraction::GlyphType glyphType );
+
+ /**
+ * @brief Enables/disables the mark-up processor.
+ *
+ * By default is disabled.
+ *
+ * @param[in] enable Whether to enable the mark-up processor.
+ */
+ void SetMarkupProcessorEnabled( bool enable );
+
+ /**
+ * @brief Retrieves whether the mark-up processor is enabled.
+ *
+ * By default is disabled.
+ *
+ * @return @e true if the mark-up processor is enabled, otherwise returns @e false.
+ */
+ bool IsMarkupProcessorEnabled() const;
+
+ /**
+ * @brief Enables/disables the auto text scrolling
+ *
+ * By default is disabled.
+ *
+ * @param[in] enable Whether to enable the auto scrolling
+ */
+ void SetAutoScrollEnabled( bool enable );
+
+ /**
+ * @brief Retrieves whether auto text scrolling is enabled.
+ *
+ * By default is disabled.
+ *
+ * @return @e true if auto scrolling is enabled, otherwise returns @e false.
+ */
+ bool IsAutoScrollEnabled() const;
+
+ /**
+ * @brief Sets the speed the text should automatically scroll at.
+ *
+ * @param[in] scrollSpeed The speed of scrolling in pixels per second.
+ */
+ void SetAutoscrollSpeed( int scrollSpeed );
+
+ /**
+ * @brief Retrieves the auto scroll speed.
+ *
+ * @return The auto scroll speed in pixels per second.
+ */
+ int GetAutoScrollSpeed() const;
+
+ /**
+ * @brief Sets the number of loops the text should scroll.
+ *
+ * @param[in] loopCount The number of loops.
+ */
+ void SetAutoScrollLoopCount( int loopCount );
+
+ /**
+ * @brief Retrieves the number of loops the text should scroll.
+ *
+ * @return The numebr of loops.
+ */
+ int GetAutoScrollLoopCount() const;
+
+ /**
+ * @brief Sets the gap before text wraps around when scrolling.
+ *
+ * @param[in] wrapGap The gap in pixels.
+ */
+ void SetAutoScrollWrapGap( float wrapGap );
+
+ /**
+ * @brief Retrieves the gap before text wraps around when scrolling.
+ *
+ * @return The gap in pixels.
+ */
+ float GetAutoScrollWrapGap() const;
+
+ /**
+ * @brief Retrieves the text's autoscroll data.
+ *
+ * @return The text's autoscroll data.
+ */
+ const ScrollerData* const GetAutoScrollData();
+
+ /**
+ * @brief Enables the horizontal scrolling.
+ *
+ * @param[in] enable Whether to enable the horizontal scrolling.
+ */
+ void SetHorizontalScrollEnabled( bool enable );
+
+ /**
+ * @brief Retrieves whether the horizontal scrolling is enabled.
+ *
+ * @return @e true if the horizontal scrolling is enabled, otherwise it returns @e false.
+ */
+ bool IsHorizontalScrollEnabled() const;
+
+ /**
+ * @brief Enables the vertical scrolling.
+ *
+ * @param[in] enable Whether to enable the vertical scrolling.
+ */
+ void SetVerticalScrollEnabled( bool enable );
+
+ /**
+ * @brief Retrieves whether the verticall scrolling is enabled.
+ *
+ * @return @e true if the vertical scrolling is enabled, otherwise it returns @e false.
+ */
+ bool IsVerticalScrollEnabled() const;
+
+ /**
+ * @brief Enables the smooth handle panning.
+ *
+ * @param[in] enable Whether to enable the smooth handle panning.
+ */
+ void SetSmoothHandlePanEnabled( bool enable );
+
+ /**
+ * @brief Retrieves whether the smooth handle panning is enabled.
+ *
+ * @return @e true if the smooth handle panning is enabled.
+ */
+ bool IsSmoothHandlePanEnabled() const;
+
+ /**
+ * @brief Sets the maximum number of characters that can be inserted into the TextModel
+ *
+ * @param[in] maxCharacters maximum number of characters to be accepted
+ */
+ void SetMaximumNumberOfCharacters( Length maxCharacters );
+
+ /**
+ * @brief Sets the maximum number of characters that can be inserted into the TextModel
+ *
+ * @param[in] maxCharacters maximum number of characters to be accepted
+ */
+ int GetMaximumNumberOfCharacters();
+
+ /**
+ * @brief Called to enable/disable cursor blink.
+ *
+ * @note Only editable controls should calls this.
+ * @param[in] enabled Whether the cursor should blink or not.
+ */
+ void SetEnableCursorBlink( bool enable );
+
+ /**
+ * @brief Query whether cursor blink is enabled.
+ *
+ * @return Whether the cursor should blink or not.
+ */
+ bool GetEnableCursorBlink() const;
+
+ /**
+ * @brief Whether to enable the multi-line layout.
+ *
+ * @param[in] enable \e true enables the multi-line (by default)
+ */
+ void SetMultiLineEnabled( bool enable );
+
+ /**
+ * @return Whether the multi-line layout is enabled.
+ */
+ bool IsMultiLineEnabled() const;
+
+ /**
+ * @copydoc Dali::Toolkit::Text::LayoutEngine::SetHorizontalAlignment()
+ */
+ void SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::LayoutEngine::GetHorizontalAlignment()
+ */
+ LayoutEngine::HorizontalAlignment GetHorizontalAlignment() const;
+
+ /**
+ * @copydoc Dali::Toolkit::Text::LayoutEngine::SetVerticalAlignment()
+ */
+ void SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::LayoutEngine::GetVerticalAlignment()
+ */
+ LayoutEngine::VerticalAlignment GetVerticalAlignment() const;
+
+public: // Update.
/**
* @brief Replaces any text previously set.
void SetText( const std::string& text );
/**
- * @brief Called to enable text input.
+ * @brief Retrieve any text previously set.
*
- * @note Only selectable or editable controls should calls this.
- * @param[in] decorator Used to create cursor, selection handle decorations etc.
+ * @param[out] text A string of UTF-8 characters.
*/
- void EnableTextInput( DecoratorPtr decorator );
+ void GetText( std::string& text ) const;
/**
- * @brief Triggers a relayout which updates View (if necessary).
+ * @brief Replaces any placeholder text previously set.
*
- * @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.
+ * @param[in] type Different placeholder-text can be shown when the control is active/inactive.
+ * @param[in] text A string of UTF-8 characters.
*/
- bool Relayout( const Vector2& size );
+ 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.
*/
- bool DoRelayout( const Vector2& size, OperationsMask operations );
+ void GetPlaceholderText( PlaceholderType type, std::string& text ) const;
/**
- * @copydoc Control::GetNaturalSize()
+ * @ brief Update the text after a font change
+ * @param[in] newDefaultFont The new font to change to
*/
- Vector3 GetNaturalSize();
+ void UpdateAfterFontChange( const std::string& newDefaultFont );
+
+public: // Default style & Input style
/**
- * @copydoc Control::GetHeightForWidth()
+ * @brief Set the default font family.
+ *
+ * @param[in] defaultFontFamily The default font family.
*/
- float GetHeightForWidth( float width );
+ void SetDefaultFontFamily( const std::string& defaultFontFamily );
/**
- * @brief Return the layout engine.
+ * @brief Retrieve the default font family.
*
- * @return A reference to the layout engine.
+ * @return The default font family.
*/
- LayoutEngine& GetLayoutEngine();
+ const std::string& GetDefaultFontFamily() const;
/**
- * @brief Return a view of the text.
+ * @brief Sets the default font weight.
*
- * @return A reference to the view.
+ * @param[in] weight The font weight.
*/
- View& GetView();
+ void SetDefaultFontWeight( FontWeight weight );
/**
- * @brief Caller by editable UI controls when keyboard focus is gained.
+ * @brief Whether the font's weight has been defined.
*/
- void KeyboardFocusGainEvent();
+ bool IsDefaultFontWeightDefined() const;
/**
- * @brief Caller by editable UI controls when focus is lost.
+ * @brief Retrieves the default font weight.
+ *
+ * @return The default font weight.
*/
- void KeyboardFocusLostEvent();
+ FontWeight GetDefaultFontWeight() const;
/**
- * @brief Caller by editable UI controls when a tap gesture occurs.
- * @param[in] tapCount The number of taps.
- * @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.
+ * @brief Sets the default font width.
+ *
+ * @param[in] width The font width.
*/
- void TapEvent( unsigned int tapCount, float x, float y );
+ void SetDefaultFontWidth( FontWidth width );
+
+ /**
+ * @brief Whether the font's width has been defined.
+ */
+ bool IsDefaultFontWidthDefined() const;
/**
- * @copydoc Dali::Toolkit::Text::Decorator::Observer::GrabHandleEvent()
+ * @brief Retrieves the default font width.
+ *
+ * @return The default font width.
*/
- virtual void GrabHandleEvent( GrabHandleState state, float x, float y );
+ FontWidth GetDefaultFontWidth() const;
-protected:
+ /**
+ * @brief Sets the default font slant.
+ *
+ * @param[in] slant The font slant.
+ */
+ void SetDefaultFontSlant( FontSlant slant );
/**
- * @brief A reference counted object may only be deleted by calling Unreference().
+ * @brief Whether the font's slant has been defined.
*/
- virtual ~Controller();
+ bool IsDefaultFontSlantDefined() const;
-private:
+ /**
+ * @brief Retrieves the default font slant.
+ *
+ * @return The default font slant.
+ */
+ FontSlant GetDefaultFontSlant() const;
/**
- * @brief Request a relayout using the ControlInterface.
+ * @brief Set the default point size.
+ *
+ * @param[in] pointSize The default point size.
*/
- void RequestRelayout();
+ void SetDefaultPointSize( float pointSize );
/**
- * @brief Private constructor.
+ * @brief Retrieve the default point size.
+ *
+ * @return The default point size.
*/
- Controller( ControlInterface& controlInterface );
+ float GetDefaultPointSize() const;
- // Undefined
- Controller( const Controller& handle );
+ /**
+ * @brief Set the text color
+ *
+ * @param textColor The text color
+ */
+ void SetTextColor( const Vector4& textColor );
- // Undefined
- Controller& operator=( const Controller& handle );
+ /**
+ * @brief Retrieve the text color
+ *
+ * @return The text color
+ */
+ const Vector4& GetTextColor() const;
-private:
+ /**
+ * @brief Set the text color
+ *
+ * @param textColor The text color
+ */
+ void SetPlaceholderTextColor( const Vector4& textColor );
- struct Impl;
- Impl* mImpl;
+ /**
+ * @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 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 );
- // Avoid allocating this for non-editable controls
- struct TextInput;
+ /**
+ * @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 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.
+ */
+ void 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 SetInputShadowProperties( const std::string& shadowProperties );
+
+ /**
+ * @brief Retrieves the input shadow's properties string.
+ *
+ * @return The shadow's properties string.
+ */
+ const std::string& GetInputShadowProperties() const;
+
+ /**
+ * @brief Sets the input underline's properties string.
+ *
+ * @note The string is stored to be recovered.
+ *
+ * @param[in] underlineProperties The underline's properties string.
+ */
+ void SetInputUnderlineProperties( const std::string& underlineProperties );
+
+ /**
+ * @brief Retrieves the input underline's properties string.
+ *
+ * @return The underline's properties string.
+ */
+ const std::string& GetInputUnderlineProperties() const;
+
+ /**
+ * @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 SetInputEmbossProperties( const std::string& embossProperties );
+
+ /**
+ * @brief Retrieves the input emboss's properties string.
+ *
+ * @return The emboss's properties string.
+ */
+ const std::string& GetInputEmbossProperties() const;
+
+ /**
+ * @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 SetInputOutlineProperties( const std::string& outlineProperties );
+
+ /**
+ * @brief Retrieves the input outline's properties string.
+ *
+ * @return The outline's properties string.
+ */
+ const std::string& GetInputOutlineProperties() const;
+
+public: // Queries & retrieves.
+
+ /**
+ * @brief Return the layout engine.
+ *
+ * @return A reference to the layout engine.
+ */
+ LayoutEngine& GetLayoutEngine();
+
+ /**
+ * @brief Return a view of the text.
+ *
+ * @return A reference to the view.
+ */
+ View& GetView();
+
+ /**
+ * @brief Query the current scroll position; the UI control is responsible for moving actors to this position.
+ *
+ * @return The scroll position.
+ */
+ const Vector2& GetScrollPosition() const;
+
+ /**
+ * @copydoc Control::GetNaturalSize()
+ */
+ Vector3 GetNaturalSize();
+
+ /**
+ * @copydoc Control::GetHeightForWidth()
+ */
+ float GetHeightForWidth( float width );
+
+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.
+ *
+ * @return Whether the text model or decorations were updated.
+ */
+ UpdateTextType Relayout( const Size& size );
+
+ /**
+ * @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 IMF events.
+ */
+ bool KeyEvent( const Dali::KeyEvent& event );
+
+ /**
+ * @brief Called by editable UI controls when a tap gesture occurs.
+ * @param[in] tapCount The number of taps.
+ * @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.
+ */
+ void TapEvent( unsigned int tapCount, float x, float y );
+
+ /**
+ * @brief Called by editable UI controls when a pan gesture occurs.
+ *
+ * @param[in] state The state of the gesture.
+ * @param[in] displacement This distance panned since the last pan gesture.
+ */
+ void PanEvent( Gesture::State state, const Vector2& displacement );
+
+ /**
+ * @brief Called by editable UI controls when a long press gesture occurs.
+ *
+ * @param[in] state The state of the gesture.
+ * @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.
+ */
+ void LongPressEvent( Gesture::State state, float x, float y );
+
+ /**
+ * @brief Event received from IMF manager
+ *
+ * @param[in] imfManager The IMF manager.
+ * @param[in] imfEvent 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 );
+
+ /**
+ * @brief Event from Clipboard notifying an Item has been selected for pasting
+ */
+ void PasteClipboardItemEvent();
+
+protected: // Inherit from Text::Decorator::ControllerInterface.
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::GetTargetSize()
+ */
+ virtual void GetTargetSize( Vector2& targetSize );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::AddDecoration()
+ */
+ virtual void AddDecoration( Actor& actor, bool needsClipping );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::DecorationEvent()
+ */
+ 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 );
+
+private: // Inherit from TextScroller
+
+ /**
+ * @copydoc Text::ScrollerInterface::ScrollingFinished()
+ */
+ virtual void ScrollingFinished();
+
+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 IMF 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 Creates a selection event.
+ *
+ * It could be called from the TapEvent (double tap) or when the text selection popup's sellect all button is pressed.
+ *
+ * @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] selectAll Whether the whole text is selected.
+ */
+ void SelectEvent( float x, float y, bool selectAll );
+
+ /**
+ * @brief Helper to KeyEvent() to handle the backspace case.
+ *
+ * @return True if a character was deleted.
+ */
+ bool BackspaceKeyEvent();
+
+private: // Helpers.
+
+ /**
+ * @brief Used to remove the text included the placeholder text.
+ */
+ void ResetText();
+
+ /**
+ * @brief Helper to show the place holder text..
+ */
+ void ShowPlaceholderText();
+
+ /**
+ * @brief Helper to clear font-specific data (only).
+ */
+ void ClearFontData();
+
+ /**
+ * @brief Helper to clear text's style data.
+ */
+ 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,
+ EditableControlInterface* editableControlInterface );
+
+ // Undefined
+ Controller( const Controller& handle );
+
+ // Undefined
+ Controller& operator=( const Controller& handle );
+
+protected: // Destructor.
+
+ /**
+ * @brief A reference counted object may only be deleted by calling Unreference().
+ */
+ virtual ~Controller();
+
+private:
+
+ struct Impl;
+ Impl* mImpl;
};
} // namespace Text
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_CONTROLLER_H__
+#endif // DALI_TOOLKIT_TEXT_CONTROLLER_H