*/
// EXTERNAL INCLUDES
-#include <dali/public-api/text-abstraction/font-client.h>
+#include <dali/devel-api/adaptor-framework/clipboard.h>
+#include <dali/devel-api/adaptor-framework/imf-manager.h>
+#include <dali/devel-api/text-abstraction/font-client.h>
// INTERNAL INCLUDES
#include <dali-toolkit/internal/text/layouts/layout-engine.h>
// Used to queue input events until DoRelayout()
enum Type
{
- KEYBOARD_FOCUS_GAIN_EVENT,
- KEYBOARD_FOCUS_LOST_EVENT,
CURSOR_KEY_EVENT,
TAP_EVENT,
PAN_EVENT,
{
INACTIVE,
SELECTING,
+ SELECTION_CHANGED,
EDITING,
- EDITING_WITH_POPUP
+ EDITING_WITH_POPUP,
+ GRAB_HANDLE_PANNING,
+ SELECTION_HANDLE_PANNING
};
EventData( DecoratorPtr decorator );
~EventData();
DecoratorPtr mDecorator; ///< Pointer to the decorator
- std::string mPlaceholderText; ///< The plaxe holder text
+ std::string mPlaceholderTextActive; ///< The text to display when the TextField is empty with key-input focus
+ std::string mPlaceholderTextInactive; ///< The text to display when the TextField is empty and inactive
+ Vector4 mPlaceholderTextColor; ///< The in/active placeholder text color
/**
* This is used to delay handling events until after the model has been updated.
CharacterIndex mLeftSelectionPosition; ///< Index into logical model for left selection handle.
CharacterIndex mRightSelectionPosition; ///< Index into logical model for right selection handle.
+ 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 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 mScrollAfterUpdatePosition : 1; ///< Whether to scroll after the cursor position is updated.
+ bool mScrollAfterDelete : 1; ///< Whether to scroll after delete characters.
};
struct ModifyEvent
{
enum Type
{
- REPLACE_TEXT, ///< Replace the entire text
- INSERT_TEXT, ///< Insert characters at the current cursor position
- DELETE_TEXT ///< Delete a character at the current cursor position
+ TEXT_REPLACED, ///< The entire text was replaced
+ TEXT_INSERTED, ///< Insert characters at the current cursor position
+ TEXT_DELETED ///< Characters were deleted
};
Type type;
- std::string text;
};
struct FontDefaults
mFontDefaults( NULL ),
mEventData( NULL ),
mFontClient(),
+ mClipboard(),
mView(),
mLayoutEngine(),
mModifyEvents(),
mControlSize(),
+ mTextColor( Color::BLACK ),
mAlignmentOffset(),
mOperationsPending( NO_OPERATION ),
mMaximumNumberOfCharacters( 50 ),
mVisualModel = VisualModel::New();
mFontClient = TextAbstraction::FontClient::Get();
+ mClipboard = Clipboard::Get();
mView.SetVisualModel( mVisualModel );
// Set the text properties to default
- mVisualModel->SetTextColor( Color::WHITE );
- mVisualModel->SetShadowOffset( Vector2::ZERO );
- mVisualModel->SetShadowColor( Color::BLACK );
mVisualModel->SetUnderlineEnabled( false );
mVisualModel->SetUnderlineHeight( 0.0f );
}
void RequestRelayout();
/**
+ * @brief Request a relayout using the ControlInterface.
+ */
+ void QueueModifyEvent( ModifyEvent::Type type )
+ {
+ if( ModifyEvent::TEXT_REPLACED == type)
+ {
+ // Cancel previously queued inserts etc.
+ mModifyEvents.clear();
+ }
+
+ ModifyEvent event;
+ event.type = type;
+ mModifyEvents.push_back( event );
+
+ // The event will be processed during relayout
+ RequestRelayout();
+ }
+
+ /**
* @brief Helper to move the cursor, grab handle etc.
*/
bool ProcessInputEvents();
- void OnKeyboardFocus( bool hasFocus );
+ /**
+ * @brief Helper to check whether any place-holder text is available.
+ */
+ bool IsPlaceholderAvailable() const
+ {
+ return ( mEventData &&
+ ( !mEventData->mPlaceholderTextInactive.empty() ||
+ !mEventData->mPlaceholderTextActive.empty() )
+ );
+ }
- void OnCursorKeyEvent( const Event& event );
+ bool IsShowingPlaceholderText() const
+ {
+ return ( mEventData && mEventData->mIsShowingPlaceholderText );
+ }
- void HandleCursorKey( int keyCode );
+ /**
+ * @brief Called when placeholder-text is hidden
+ */
+ void PlaceholderCleared()
+ {
+ if( mEventData )
+ {
+ mEventData->mIsShowingPlaceholderText = false;
+
+ // Remove mPlaceholderTextColor
+ mVisualModel->SetTextColor( mTextColor );
+ }
+ }
+
+ void ClearPreEditFlag()
+ {
+ if( mEventData )
+ {
+ mEventData->mPreEditFlag = false;
+ mEventData->mPreEditStartPosition = 0;
+ mEventData->mPreEditLength = 0;
+ }
+ }
+
+ void ResetImfManager()
+ {
+ // Reset incase we are in a pre-edit state.
+ ImfManager imfManager = ImfManager::Get();
+ if ( imfManager )
+ {
+ imfManager.Reset(); // Will trigger a commit message
+ }
+
+ ClearPreEditFlag();
+ }
+
+ bool IsClipboardEmpty()
+ {
+ bool result( mClipboard && mClipboard.NumberOfItems() );
+ return !result; // // If NumberOfItems greater than 0, return false
+ }
+
+ void UpdateModel( OperationsMask operationsRequired );
+
+ /**
+ * @brief Retrieve the default fonts.
+ *
+ * @param[out] fonts The default font family, style and point sizes.
+ * @param[in] numberOfCharacters The number of characters in the logical model.
+ */
+ void GetDefaultFonts( Dali::Vector<FontRun>& fonts, Length numberOfCharacters );
+
+ void OnCursorKeyEvent( const Event& event );
void OnTapEvent( const Event& event );
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
*
void ClampVerticalScroll( const Vector2& actualSize );
/**
+ * @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, moving the cursor with the grab handle or the keypad,
+ * or moving the selection handles.
+ */
+ void ScrollToMakePositionVisible( const Vector2& position );
+
+ /**
* @brief Scrolls the text to make the cursor visible.
*
- * This method is called after inserting, deleting or moving the cursor with the keypad.
+ * This method is called after deleting text.
*/
- void ScrollToMakeCursorVisible();
+ void ScrollTextToMatchCursor();
ControlInterface& mControlInterface; ///< Reference to the text controller.
LogicalModelPtr mLogicalModel; ///< Pointer to the logical model.
FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
+ Clipboard mClipboard; ///< Handle to the system clipboard
View mView; ///< The view interface to the rendering back-end.
LayoutEngine mLayoutEngine; ///< The layout engine.
std::vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
Size mControlSize; ///< The size of the control.
+ Vector4 mTextColor; ///< The regular text color
Vector2 mAlignmentOffset; ///< Vertical and horizontal offset of the whole text inside the control due to alignment.
OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
projects / platform / core / uifw / dali-toolkit.git / blobdiff