Selection implementation.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / text / text-controller-impl.h

diff --git a/dali-toolkit/internal/text/text-controller-impl.h b/dali-toolkit/internal/text/text-controller-impl.h
index 1a797b3..81125da 100644 (file)
--- a/dali-toolkit/internal/text/text-controller-impl.h
+++ b/dali-toolkit/internal/text/text-controller-impl.h
@@ -135,20 +135,20 @@ struct EventData
   CharacterIndex     mPreEditStartPosition;    ///< Used to remove the pre-edit text if necessary.
   Length             mPreEditLength;           ///< Used to remove the pre-edit text if necessary.
 
-  bool mIsShowingPlaceholderText           : 1;   ///< True if the place-holder text is being displayed.
-  bool mPreEditFlag                        : 1;   ///< True if the model contains text in pre-edit state.
-  bool mDecoratorUpdated                   : 1;   ///< True if the decorator was updated during event processing.
-  bool mCursorBlinkEnabled                 : 1;   ///< True if cursor should blink when active.
-  bool mGrabHandleEnabled                  : 1;   ///< True if grab handle is enabled.
-  bool mGrabHandlePopupEnabled             : 1;   ///< True if the grab handle popu-up should be shown.
-  bool mSelectionEnabled                   : 1;   ///< True if selection handles, highlight etc. are enabled.
-  bool mHorizontalScrollingEnabled         : 1;   ///< True if horizontal scrolling is enabled.
-  bool mVerticalScrollingEnabled           : 1;   ///< True if vertical scrolling is enabled.
-  bool mUpdateCursorPosition               : 1;   ///< True if the visual position of the cursor must be recalculated.
-  bool mUpdateLeftSelectionPosition        : 1;   ///< True if the visual position of the left selection handle must be recalculated.
-  bool mUpdateRightSelectionPosition       : 1;   ///< True if the visual position of the right selection handle must be recalculated.
-  bool mScrollAfterUpdateCursorPosition    : 1;   ///< Whether to scroll after the cursor position is updated.
-  bool mScrollAfterDelete                  : 1;   ///< Whether to scroll after delete characters.
+  bool mIsShowingPlaceholderText        : 1;   ///< True if the place-holder text is being displayed.
+  bool mPreEditFlag                     : 1;   ///< True if the model contains text in pre-edit state.
+  bool mDecoratorUpdated                : 1;   ///< True if the decorator was updated during event processing.
+  bool mCursorBlinkEnabled              : 1;   ///< True if cursor should blink when active.
+  bool mGrabHandleEnabled               : 1;   ///< True if grab handle is enabled.
+  bool mGrabHandlePopupEnabled          : 1;   ///< True if the grab handle popu-up should be shown.
+  bool mSelectionEnabled                : 1;   ///< True if selection handles, highlight etc. are enabled.
+  bool mHorizontalScrollingEnabled      : 1;   ///< True if horizontal scrolling is enabled.
+  bool mVerticalScrollingEnabled        : 1;   ///< True if vertical scrolling is enabled.
+  bool mUpdateCursorPosition            : 1;   ///< True if the visual position of the cursor must be recalculated.
+  bool mUpdateLeftSelectionPosition     : 1;   ///< True if the visual position of the left selection handle must be recalculated.
+  bool mUpdateRightSelectionPosition    : 1;   ///< True if the visual position of the right selection handle must be recalculated.
+  bool mScrollAfterUpdatePosition       : 1;   ///< Whether to scroll after the cursor position is updated.
+  bool mScrollAfterDelete               : 1;   ///< Whether to scroll after delete characters.
 };
 
 struct ModifyEvent
@@ -323,12 +323,15 @@ struct Controller::Impl
 
   void OnHandleEvent( const Event& event );
 
+  void RepositionSelectionHandles( CharacterIndex selectionStart, CharacterIndex selectionEnd );
   void RepositionSelectionHandles( float visualX, float visualY );
 
   void ChangeState( EventData::State newState );
 
   LineIndex GetClosestLine( float y ) const;
 
+  void FindSelectionIndices( float visualX, float visualY, CharacterIndex& startIndex, CharacterIndex& endIndex );
+
   /**
    * @brief Retrieves the cursor's logical position for a given touch point x,y
    *
@@ -395,11 +398,16 @@ struct Controller::Impl
   void ClampVerticalScroll( const Vector2& actualSize );
 
   /**
-   * @brief Scrolls the text to make the cursor visible.
+   * @brief Scrolls the text to make a position visible.
+   *
+   * @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
+   *
+   * @param[in] position A position in decorator coords.
    *
-   * This method is called after inserting text or moving the cursor with the keypad.
+   * This method is called after inserting text, moving the cursor with the grab handle or the keypad,
+   * or moving the selection handles.
    */
-  void ScrollToMakeCursorVisible();
+  void ScrollToMakePositionVisible( const Vector2& position );
 
   /**
    * @brief Scrolls the text to make the cursor visible.