// EXTERNAL INCLUDES
#include <string>
+#include <dali/devel-api/adaptor-framework/imf-manager.h>
#include <dali/public-api/common/dali-vector.h>
#include <dali/public-api/common/intrusive-ptr.h>
#include <dali/public-api/events/gesture.h>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/decorator/text-decorator.h>
#include <dali-toolkit/internal/text/font-run.h>
+#include <dali-toolkit/internal/text/layouts/layout-engine.h>
#include <dali-toolkit/internal/text/text-control-interface.h>
#include <dali-toolkit/internal/text/text-view.h>
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.
*
* It manipulates the Logical & Visual text models on behalf of the UI Controls.
* 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 an interface.
*/
-class Controller : public RefObject, public Decorator::Observer
+class Controller : public RefObject, public Decorator::ControllerInterface
{
-private:
+public:
/**
* @brief Text related operations to be done in the relayout process.
ALL_OPERATIONS = 0xFFFF
};
-public:
+ /**
+ * @brief Used to distinguish between regular key events and IMF events
+ */
+ enum InsertType
+ {
+ COMMIT,
+ PRE_EDIT
+ };
/**
* @brief Create a new instance of a Controller.
static ControllerPtr New( ControlInterface& controlInterface );
/**
+ * @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 Replaces any text previously set.
*
* @note This will be converted into UTF-32 when stored in the text model.
/**
* @brief Replaces any placeholder text previously set.
*
+ * @param[in] cursorOffset Start position from the current cursor position to start deleting characters.
+ * @param[in] numberOfChars The number of characters to delete from the cursorOffset.
+ * @return True if the remove was successful.
+ */
+ bool RemoveText( int cursorOffset, int numberOfChars );
+
+ /**
+ * @brief Retrieve the current cursor position.
+ *
+ * @return The cursor position.
+ */
+ unsigned int GetLogicalCursorPosition() 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( const std::string& text );
+ void SetPlaceholderText( PlaceholderType type, const std::string& text );
/**
* @brief Retrieve any placeholder text previously set.
*
- * @return A string of UTF-8 characters.
+ * @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 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( int 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
*/
- void GetPlaceholderText( std::string& text ) const;
+ int GetMaximumNumberOfCharacters();
/**
* @brief Set the default font family.
float GetDefaultPointSize() const;
/**
- * @brief Retrieve the default fonts.
+ * @brief Set the text color
*
- * @param[out] fonts The default font family, style and point sizes.
- * @param[in] numberOfCharacters The number of characters in the logical model.
+ * @param textColor The text color
*/
- void GetDefaultFonts( Dali::Vector<FontRun>& fonts, Length numberOfCharacters ) const;
+ void SetTextColor( const Vector4& textColor );
+
+ /**
+ * @brief Retrieve the text color
+ *
+ * @return The text color
+ */
+ const Vector4& GetTextColor() const;
/**
* @brief Set the text color
*
* @param textColor The text color
*/
- void SetTextColor( const Vector4& textColor );
+ void SetPlaceholderTextColor( const Vector4& textColor );
/**
* @brief Retrieve the text color
*
* @return The text color
*/
- const Vector4& GetTextColor() const;
+ const Vector4& GetPlaceholderTextColor() const;
/**
* @brief Set the shadow offset.
bool IsUnderlineEnabled() const;
/**
- * @brief Set the override used for underline height, 0 indicates height will be supplied by adaptor
+ * @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 adaptor
+ * @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 Called to enable text input.
- *
- * @note Only selectable or editable controls should calls this.
- * @param[in] decorator Used to create cursor, selection handle decorations etc.
- */
- void EnableTextInput( DecoratorPtr decorator );
-
- /**
* @brief Called to enable/disable cursor blink.
*
* @note Only editable controls should calls this.
void ProcessModifyEvents();
/**
- * @brief Used to process an event queued from SetText()
- *
- * @param[in] newText The new text to store in the logical model.
+ * @brief Used to remove placeholder text.
*/
- void ReplaceTextEvent( const std::string& newText );
+ void ResetText();
/**
- * @brief Used to process an event queued from key events etc.
- *
- * @param[in] text The text to insert into the logical model.
+ * @brief Used to process an event queued from SetText()
*/
- void InsertTextEvent( const std::string& text );
+ void TextReplacedEvent();
/**
- * @brief Used to process an event queued from backspace key etc.
+ * @brief Used to process an event queued from key events etc.
*/
- void DeleteTextEvent();
+ void TextInsertedEvent();
/**
- * @brief Update the model following text replace/insert etc.
- *
- * @param[in] operationsRequired The layout operations which need to be done.
+ * @brief Used to process an event queued from backspace key etc.
*/
- void UpdateModel( OperationsMask operationsRequired );
+ void TextDeletedEvent();
/**
* @brief Lays-out the text.
Size& layoutSize );
/**
+ * @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;
+
+ /**
* @brief Calulates the alignment of the whole text inside the bounding box.
*
* @param[in] size The size of the bounding box.
* @brief Caller 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 Caller 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 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.
void PanEvent( Gesture::State state, const Vector2& displacement );
/**
- * @copydoc Dali::Toolkit::Text::Decorator::Observer::GrabHandleEvent()
+ * @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 );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::GetTargetSize()
+ */
+ virtual void GetTargetSize( Vector2& targetSize );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::AddDecoration()
*/
- virtual void GrabHandleEvent( GrabHandleState state, float x, float y );
+ virtual void AddDecoration( Actor& actor );
+
+ /**
+ * @copydoc Dali::Toolkit::Text::Decorator::ControllerInterface::DecorationEvent()
+ */
+ virtual void DecorationEvent( HandleType handle, HandleState state, float x, float y );
protected:
private:
/**
- * @brief Request a relayout using the ControlInterface.
+ * @brief Helper to clear font-specific data.
*/
- void RequestRelayout();
+ void ShowPlaceholderText();
+
+ /**
+ * @brief Helper to clear all the model data except for LogicalModel::mText.
+ */
+ void ClearModelData();
+
+ /**
+ * @brief Helper to clear font-specific data (only).
+ */
+ void ClearFontData();
/**
* @brief Private constructor.
struct Impl;
Impl* mImpl;
-
- // Avoid allocating this when the user does not specify a font
- struct FontDefaults;
-
- // Avoid allocating this for non-editable controls
- struct TextInput;
};
} // namespace Text
projects / platform / core / uifw / dali-toolkit.git / blobdiff