#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>
GET_GLYPH_METRICS = 0x0080,
LAYOUT = 0x0100,
UPDATE_ACTUAL_SIZE = 0x0200,
- UPDATE_POSITIONS = 0x0400,
- UPDATE_LINES = 0x0800,
- REORDER = 0x1000,
- ALIGNMENT = 0x2000,
- RENDER = 0x4000,
+ REORDER = 0x0400,
+ ALIGN = 0x0800,
ALL_OPERATIONS = 0xFFFF
};
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();
+
+ /**
+ * @copydoc Control::GetHeightForWidth()
+ */
+ float GetHeightForWidth( float width );
+
+ /**
* @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.
*/
- bool Relayout( const Vector2& size );
+ bool Relayout( const Size& size );
/**
- * @brief Update the model with new text.
+ * @brief Process queued events which modify the model.
+ */
+ void ProcessModifyEvents();
+
+ /**
+ * @brief Used to process an event queued from SetText()
*
- * @param[in] operations The layout operations which need to be done.
+ * @param[in] newText The new text to store in the logical model.
+ */
+ void ReplaceTextEvent( const std::string& newText );
+
+ /**
+ * @brief Used to process an event queued from key events etc.
+ *
+ * @param[in] text The text to insert into the logical model.
+ */
+ void InsertTextEvent( const std::string& text );
+
+ /**
+ * @brief Used to process an event queued from backspace key etc.
*/
- void ReplaceText( OperationsMask operations );
+ void DeleteTextEvent();
+
+ /**
+ * @brief Update the model following text replace/insert etc.
+ *
+ * @param[in] operationsRequired The layout operations which need to be done.
+ */
+ void UpdateModel( OperationsMask operationsRequired );
/**
* @brief Lays-out the text.
* @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 );
/**
- * @copydoc Control::GetNaturalSize()
- */
- Vector3 GetNaturalSize();
-
- /**
- * @copydoc Control::GetHeightForWidth()
+ * @brief Calulates the alignment of the whole text inside the bounding box.
+ *
+ * @param[in] size The size of the bounding box.
*/
- float GetHeightForWidth( float width );
+ void CalculateTextAlignment( const Size& size );
/**
* @brief Return the layout engine.
*/
View& GetView();
+ // Text-input Event Queuing
+
/**
* @brief Caller by editable UI controls when keyboard focus is gained.
*/
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 );