Fix for text alignmnet and scrolling.

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

diff --git a/dali-toolkit/internal/text/text-controller.h b/dali-toolkit/internal/text/text-controller.h
index e1d831e..2935299 100644 (file)
--- a/dali-toolkit/internal/text/text-controller.h
+++ b/dali-toolkit/internal/text/text-controller.h
@@ -22,6 +22,7 @@
 #include <string>
 #include <dali/public-api/common/dali-vector.h>
 #include <dali/public-api/common/intrusive-ptr.h>
+#include <dali/public-api/events/gesture.h>
 #include <dali/public-api/events/key-event.h>
 #include <dali/public-api/math/vector3.h>
 #include <dali/public-api/math/vector2.h>
@@ -195,6 +196,20 @@ public:
   bool GetEnableCursorBlink() const;
 
   /**
+   * @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;
+
+  /**
+   * @brief Query the alignment offset.
+   *
+   * @return The alignmnet offset.
+   */
+  const Vector2& GetAlignmentOffset() const;
+
+  /**
    * @copydoc Control::GetNaturalSize()
    */
   Vector3 GetNaturalSize();
@@ -211,7 +226,7 @@ public:
    * @param[in] size A the size of a bounding box to layout text within.
    * @return True if the text model or decorations were updated.
    */
-  bool Relayout( const Vector2& size );
+  bool Relayout( const Size& size );
 
   /**
    * @brief Process queued events which modify the model.
@@ -253,11 +268,18 @@ public:
    * @param[in] operations The layout operations which need to be done.
    * @param[out] layoutSize The size of the laid-out text.
    */
-  bool DoRelayout( const Vector2& size,
+  bool DoRelayout( const Size& size,
                    OperationsMask operations,
                    Size& layoutSize );
 
   /**
+   * @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 );
+
+  /**
    * @brief Return the layout engine.
    *
    * @return A reference to the layout engine.
@@ -299,6 +321,14 @@ public:
   void TapEvent( unsigned int tapCount, float x, float y );
 
   /**
+   * @brief Caller 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 );
+
+  /**
    * @copydoc Dali::Toolkit::Text::Decorator::Observer::GrabHandleEvent()
    */
   virtual void GrabHandleEvent( GrabHandleState state, float x, float y );