-#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.
#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/layouts/layout-engine.h>
-#include <dali-toolkit/internal/text/text-control-interface.h>
namespace Dali
{
{
class Controller;
+class ControlInterface;
+class EditableControlInterface;
class View;
typedef IntrusivePtr<Controller> 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.
*/
class Controller : public RefObject, public Decorator::ControllerInterface, public TextSelectionPopupCallbackInterface
{
-public:
+public: // Enumerated types.
/**
* @brief Text related operations to be done in the relayout process.
SHAPE_TEXT = 0x0040,
GET_GLYPH_METRICS = 0x0080,
LAYOUT = 0x0100,
- UPDATE_ACTUAL_SIZE = 0x0200,
+ UPDATE_LAYOUT_SIZE = 0x0200,
REORDER = 0x0400,
ALIGN = 0x0800,
COLOR = 0x1000,
+ UPDATE_DIRECTION = 0x2000,
ALL_OPERATIONS = 0xFFFF
};
};
/**
+ * @brief Used to specify whether to update the input style.
+ */
+ enum UpdateInputStyleType
+ {
+ UPDATE_INPUT_STYLE,
+ DONT_UPDATE_INPUT_STYLE
+ };
+
+ /**
+ * @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 );
+
+public: // Configure the text controller.
/**
* @brief Called to enable text input.
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.
+ * By default is disabled.
+ *
+ * @param[in] enable Whether to enable the auto scrolling
*/
- void SetText( const std::string& text );
+ void SetAutoScrollEnabled( bool enable );
/**
- * @brief Retrieve any text previously set.
+ * @brief Retrieves whether auto text scrolling is enabled.
*
- * @return A string of UTF-8 characters.
+ * By default is disabled.
+ *
+ * @return @e true if auto scrolling is enabled, otherwise returns @e false.
*/
- void GetText( std::string& text ) const;
+ bool IsAutoScrollEnabled() const;
/**
- * @brief Remove a given number of characters
+ * @brief Get direction of the text from the first line of text,
+ * @return bool rtl (right to left) is true
+ */
+ CharacterDirection GetAutoScrollDirection() const;
+
+ /**
+ * @brief Get the alignment offset of the first line of text.
*
- * @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.
- * @return True if the remove was successful.
+ * @return The alignment offset.
*/
- bool RemoveText( int cursorOffset, int numberOfCharacters );
+ float GetAutoScrollLineAlignment() const;
/**
- * @brief Retrieve the current cursor position.
+ * @brief Enables the horizontal scrolling.
*
- * @return The cursor position.
+ * @param[in] enable Whether to enable the horizontal scrolling.
*/
- unsigned int GetLogicalCursorPosition() const;
+ void SetHorizontalScrollEnabled( bool enable );
/**
- * @brief Replaces any placeholder text previously set.
+ * @brief Retrieves whether the horizontal scrolling is enabled.
*
- * @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 @e true if the horizontal scrolling is enabled, otherwise it returns @e false.
*/
- void SetPlaceholderText( PlaceholderType type, const std::string& text );
+ bool IsHorizontalScrollEnabled() const;
/**
- * @brief Retrieve any placeholder text previously set.
+ * @brief Enables the vertical 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 vertical scrolling.
*/
- void GetPlaceholderText( PlaceholderType type, std::string& text ) const;
+ 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
int GetMaximumNumberOfCharacters();
/**
- * @brief Set the default font family.
+ * @brief Called to enable/disable cursor blink.
*
- * @param[in] defaultFontFamily The default font family.
+ * @note Only editable controls should calls this.
+ * @param[in] enabled Whether the cursor should blink or not.
*/
- void SetDefaultFontFamily( const std::string& defaultFontFamily );
+ void SetEnableCursorBlink( bool enable );
/**
- * @brief Retrieve the default font family.
+ * @brief Query whether cursor blink is enabled.
*
- * @return The default font family.
+ * @return Whether the cursor should blink or not.
*/
- const std::string& GetDefaultFontFamily() const;
+ 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 Sets the font's style string.
+ * @brief Replaces any text previously set.
*
- * @note The style set may be changed by the underlying font system. The string is stored to be recovered.
+ * @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.
+ *
+ * @param[out] text A string of UTF-8 characters.
+ */
+ void GetText( std::string& text ) const;
+
+ /**
+ * @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] style The font's style string.
+ * @param[in] defaultFontFamily The default font family.
*/
- void SetDefaultFontStyle( const std::string& style );
+ void SetDefaultFontFamily( const std::string& defaultFontFamily );
/**
- * @brief Retrieves the font's style.
+ * @brief Retrieve the default font family.
*
- * @return The font's style.
+ * @return The default font family.
*/
- const std::string& GetDefaultFontStyle() const;
+ const std::string& GetDefaultFontFamily() const;
/**
* @brief Sets the default 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.
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.
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.
float GetDefaultPointSize() const;
/**
- * @ brief Update the text after a font change
- * @param[in] newDefaultFont The new font to change to
- */
- void UpdateAfterFontChange( const std::string& newDefaultFont );
-
- /**
* @brief Set the text color
*
* @param textColor The text color
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.
const std::string& GetInputFontFamily() const;
/**
- * @brief Sets the input text's font style.
- *
- * @param[in] fontStyle The input text's font style.
- */
- void SetInputFontStyle( const std::string& fontStyle );
-
- /**
- * @brief Retrieves the input text's font style.
- *
- * @return The input text's font style.
- */
- const std::string& GetInputFontStyle() 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.
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.
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.
float GetInputFontPointSize() const;
/**
- * @brief Called to enable/disable cursor blink.
+ * @brief Sets the input line spacing.
*
- * @note Only editable controls should calls this.
- * @param[in] enabled Whether the cursor should blink or not.
+ * @param[in] lineSpacing The line spacing.
*/
- void SetEnableCursorBlink( bool enable );
+ void SetInputLineSpacing( float lineSpacing );
/**
- * @brief Query whether cursor blink is enabled.
+ * @brief Retrieves the input line spacing.
*
- * @return Whether the cursor should blink or not.
+ * @return The line spacing.
*/
- bool GetEnableCursorBlink() const;
+ float GetInputLineSpacing() const;
/**
- * @brief Query the current scroll position; the UI control is responsible for moving actors to this position.
+ * @brief Sets the input shadow's properties string.
*
- * @return The scroll position.
- */
- const Vector2& GetScrollPosition() const;
-
- /**
- * @brief Query the alignment offset.
+ * @note The string is stored to be recovered.
*
- * @return The alignmnet offset.
+ * @param[in] shadowProperties The shadow's properties string.
*/
- const Vector2& GetAlignmentOffset() const;
+ void SetInputShadowProperties( const std::string& shadowProperties );
/**
- * @copydoc Control::GetNaturalSize()
- */
- Vector3 GetNaturalSize();
-
- /**
- * @copydoc Control::GetHeightForWidth()
+ * @brief Retrieves the input shadow's properties string.
+ *
+ * @return The shadow's properties string.
*/
- float GetHeightForWidth( float width );
+ const std::string& GetInputShadowProperties() const;
/**
- * @brief Triggers a relayout which updates View (if necessary).
+ * @brief Sets the input underline's properties string.
*
- * @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.
+ * @note The string is stored to be recovered.
+ *
+ * @param[in] underlineProperties The underline's properties string.
*/
- bool Relayout( const Size& size );
+ void SetInputUnderlineProperties( const std::string& underlineProperties );
/**
- * @brief Process queued events which modify the model.
+ * @brief Retrieves the input underline's properties string.
+ *
+ * @return The underline's properties string.
*/
- void ProcessModifyEvents();
+ const std::string& GetInputUnderlineProperties() const;
/**
- * @brief Used to remove placeholder text.
+ * @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 ResetText();
+ void SetInputEmbossProperties( const std::string& embossProperties );
/**
- * @brief Used to reset the cursor position after setting a new text.
+ * @brief Retrieves the input emboss's properties string.
*
- * @param[in] cursorIndex Where to place the cursor.
+ * @return The emboss's properties string.
*/
- void ResetCursorPosition( CharacterIndex cursorIndex );
+ const std::string& GetInputEmbossProperties() const;
/**
- * @brief Used to reset the scroll position after setting a new text.
+ * @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 ResetScrollPosition();
+ void SetInputOutlineProperties( const std::string& outlineProperties );
/**
- * @brief Used to process an event queued from SetText()
+ * @brief Retrieves the input outline's properties string.
+ *
+ * @return The outline's properties string.
*/
- void TextReplacedEvent();
+ const std::string& GetInputOutlineProperties() const;
- /**
- * @brief Used to process an event queued from key events etc.
- */
- void TextInsertedEvent();
+public: // Queries & retrieves.
/**
- * @brief Used to process an event queued from backspace key etc.
+ * @brief Return the layout engine.
+ *
+ * @return A reference to the layout engine.
*/
- void TextDeletedEvent();
+ LayoutEngine& GetLayoutEngine();
/**
- * @brief Lays-out the text.
- *
- * GetNaturalSize(), GetHeightForWidth() and Relayout() calls this method.
+ * @brief Return a view of the text.
*
- * @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 A reference to the view.
*/
- bool DoRelayout( const Size& size,
- OperationsMask operations,
- Size& layoutSize );
+ View& GetView();
/**
- * @brief Whether to enable the multi-line layout.
+ * @brief Query the current scroll position; the UI control is responsible for moving actors to this position.
*
- * @param[in] enable \e true enables the multi-line (by default)
+ * @return The scroll position.
*/
- void SetMultiLineEnabled( bool enable );
+ const Vector2& GetScrollPosition() const;
/**
- * @return Whether the multi-line layout is enabled.
+ * @copydoc Control::GetNaturalSize()
*/
- bool IsMultiLineEnabled() const;
+ Vector3 GetNaturalSize();
/**
- * @copydoc Dali::Toolkit::Text::LayoutEngine::SetHorizontalAlignment()
+ * @copydoc Control::GetHeightForWidth()
*/
- void SetHorizontalAlignment( LayoutEngine::HorizontalAlignment alignment );
+ float GetHeightForWidth( float width );
- /**
- * @copydoc Dali::Toolkit::Text::LayoutEngine::GetHorizontalAlignment()
- */
- LayoutEngine::HorizontalAlignment GetHorizontalAlignment() const;
+public: // Relayout.
/**
- * @copydoc Dali::Toolkit::Text::LayoutEngine::SetVerticalAlignment()
+ * @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.
*/
- void SetVerticalAlignment( LayoutEngine::VerticalAlignment alignment );
+ UpdateTextType Relayout( const Size& size );
/**
- * @copydoc Dali::Toolkit::Text::LayoutEngine::GetVerticalAlignment()
+ * @brief Request a relayout using the ControlInterface.
*/
- LayoutEngine::VerticalAlignment GetVerticalAlignment() const;
+ void RequestRelayout();
- /**
- * @brief Calulates the alignment of the whole text inside the bounding box.
- *
- * @param[in] size The size of the bounding box.
- */
- void CalculateTextAlignment( const Size& size );
+public: // Input style change signals.
/**
- * @brief Return the layout engine.
- *
- * @return A reference to the layout engine.
+ * @return Whether the queue of input style changed signals is empty.
*/
- LayoutEngine& GetLayoutEngine();
+ bool IsInputStyleChangedSignalsQueueEmpty();
/**
- * @brief Return a view of the text.
+ * @brief Process all pending input style changed signals.
*
- * @return A reference to the view.
+ * 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.
*/
- View& GetView();
+ void ProcessInputStyleChangedSignals();
- // Text-input Event Queuing
+public: // Text-input Event Queuing.
/**
* @brief Called by editable UI controls when keyboard focus is gained.
bool KeyEvent( const Dali::KeyEvent& event );
/**
- * @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 Checks if text is selected and if so removes it.
- * @return true if text was removed
- */
- bool RemoveSelectedText();
-
- /**
* @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.
void LongPressEvent( Gesture::State state, float x, float y );
/**
- * @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 Event received from IMF manager
*
* @param[in] imfManager The IMF manager.
ImfManager::ImfCallbackData OnImfEvent( ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent );
/**
- * @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 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 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:
+private: // Update.
/**
- * @brief A reference counted object may only be deleted by calling Unreference().
+ * @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.
*/
- virtual ~Controller();
+ void InsertText( const std::string& text, InsertType type );
-private:
+ /**
+ * @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.
*/
bool BackspaceKeyEvent();
- /**
- * @brief Helper to notify IMF manager with surrounding text & cursor changes.
- */
- void NotifyImfManager();
+private: // Helpers.
/**
- * @brief Helper to clear font-specific data.
+ * @brief Used to remove the text included the placeholder text.
*/
- void ShowPlaceholderText();
+ void ResetText();
/**
- * @brief Helper to clear all the model data except for LogicalModel::mText.
+ * @brief Helper to show the place holder text..
*/
- void ClearModelData();
+ void ShowPlaceholderText();
/**
* @brief Helper to clear font-specific data (only).
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( ControlInterface& controlInterface );
+ 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;
} // namespace Dali
-#endif // __DALI_TOOLKIT_TEXT_CONTROLLER_H__
+#endif // DALI_TOOLKIT_TEXT_CONTROLLER_H
projects / platform / core / uifw / dali-toolkit.git / blobdiff