1 #ifndef DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
2 #define DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
5 * Copyright (c) 2017 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/devel-api/adaptor-framework/clipboard.h>
23 #include <dali/devel-api/text-abstraction/font-client.h>
24 #include <dali/public-api/rendering/shader.h>
27 #include <dali-toolkit/internal/text/input-style.h>
28 #include <dali-toolkit/internal/text/text-controller.h>
29 #include <dali-toolkit/internal/text/text-model.h>
30 #include <dali-toolkit/internal/text/text-view.h>
31 #include <dali-toolkit/public-api/styling/style-manager.h>
32 #include <dali-toolkit/devel-api/styling/style-manager-devel.h>
43 const float DEFAULT_TEXTFIT_MIN = 10.f;
44 const float DEFAULT_TEXTFIT_MAX = 100.f;
45 const float DEFAULT_TEXTFIT_STEP = 1.f;
47 //Forward declarations
51 class SelectableControlInterface;
55 // Used to queue input events until DoRelayout()
63 LEFT_SELECTION_HANDLE_EVENT,
64 RIGHT_SELECTION_HANDLE_EVENT,
78 Event( Type eventType )
101 EDITING_WITH_GRAB_HANDLE,
102 EDITING_WITH_PASTE_POPUP,
104 SELECTION_HANDLE_PANNING,
108 EventData( DecoratorPtr decorator, InputMethodContext& inputMethodContext );
112 static bool IsEditingState( State stateToCheck )
114 return ( stateToCheck == EDITING || stateToCheck == EDITING_WITH_POPUP || stateToCheck == EDITING_WITH_GRAB_HANDLE || stateToCheck == EDITING_WITH_PASTE_POPUP );
117 DecoratorPtr mDecorator; ///< Pointer to the decorator.
118 InputMethodContext mInputMethodContext; ///< The Input Method Framework Manager.
119 FontDefaults* mPlaceholderFont; ///< The placeholder default font.
120 std::string mPlaceholderTextActive; ///< The text to display when the TextField is empty with key-input focus.
121 std::string mPlaceholderTextInactive; ///< The text to display when the TextField is empty and inactive.
122 Vector4 mPlaceholderTextColor; ///< The in/active placeholder text color.
125 * This is used to delay handling events until after the model has been updated.
126 * The number of updates to the model is minimized to improve performance.
128 std::vector<Event> mEventQueue; ///< The queue of touch events etc.
130 Vector<InputStyle::Mask> mInputStyleChangedQueue; ///< Queue of changes in the input style. Used to emit the signal in the iddle callback.
132 InputStyle mInputStyle; ///< The style to be set to the new inputed text.
134 State mPreviousState; ///< Stores the current state before it's updated with the new one.
135 State mState; ///< Selection mode, edit mode etc.
137 CharacterIndex mPrimaryCursorPosition; ///< Index into logical model for primary cursor.
138 CharacterIndex mLeftSelectionPosition; ///< Index into logical model for left selection handle.
139 CharacterIndex mRightSelectionPosition; ///< Index into logical model for right selection handle.
141 CharacterIndex mPreEditStartPosition; ///< Used to remove the pre-edit text if necessary.
142 Length mPreEditLength; ///< Used to remove the pre-edit text if necessary.
144 float mCursorHookPositionX; ///< Used to move the cursor with the keys or when scrolling the text vertically with the handles.
146 Controller::NoTextTap::Action mDoubleTapAction; ///< Action to be done when there is a double tap on top of 'no text'
147 Controller::NoTextTap::Action mLongPressAction; ///< Action to be done when there is a long press on top of 'no text'
149 bool mIsShowingPlaceholderText : 1; ///< True if the place-holder text is being displayed.
150 bool mPreEditFlag : 1; ///< True if the model contains text in pre-edit state.
151 bool mDecoratorUpdated : 1; ///< True if the decorator was updated during event processing.
152 bool mCursorBlinkEnabled : 1; ///< True if cursor should blink when active.
153 bool mGrabHandleEnabled : 1; ///< True if grab handle is enabled.
154 bool mGrabHandlePopupEnabled : 1; ///< True if the grab handle popu-up should be shown.
155 bool mSelectionEnabled : 1; ///< True if selection handles, highlight etc. are enabled.
156 bool mUpdateCursorHookPosition : 1; ///< True if the cursor hook position must be updated. Used to move the cursor with the keys 'up' and 'down'.
157 bool mUpdateCursorPosition : 1; ///< True if the visual position of the cursor must be recalculated.
158 bool mUpdateGrabHandlePosition : 1; ///< True if the visual position of the grab handle must be recalculated.
159 bool mUpdateLeftSelectionPosition : 1; ///< True if the visual position of the left selection handle must be recalculated.
160 bool mUpdateRightSelectionPosition : 1; ///< True if the visual position of the right selection handle must be recalculated.
161 bool mIsLeftHandleSelected : 1; ///< Whether is the left handle the one which is selected.
162 bool mIsRightHandleSelected : 1; ///< Whether is the right handle the one which is selected.
163 bool mUpdateHighlightBox : 1; ///< True if the text selection high light box must be updated.
164 bool mScrollAfterUpdatePosition : 1; ///< Whether to scroll after the cursor position is updated.
165 bool mScrollAfterDelete : 1; ///< Whether to scroll after delete characters.
166 bool mAllTextSelected : 1; ///< True if the selection handles are selecting all the text.
167 bool mUpdateInputStyle : 1; ///< Whether to update the input style after moving the cursor.
168 bool mPasswordInput : 1; ///< True if password input is enabled.
169 bool mCheckScrollAmount : 1; ///< Whether to check scrolled amount after updating the position
170 bool mIsPlaceholderPixelSize : 1; ///< True if the placeholder font size is set as pixel size.
171 bool mIsPlaceholderElideEnabled : 1; ///< True if the placeholder text's elide is enabled.
172 bool mPlaceholderEllipsisFlag : 1; ///< True if the text controller sets the placeholder ellipsis.
173 bool mShiftSelectionFlag : 1; ///< True if the text selection using Shift key is enabled.
174 bool mUpdateAlignment : 1; ///< True if the whole text needs to be full aligned..
181 TEXT_REPLACED, ///< The entire text was replaced
182 TEXT_INSERTED, ///< Insert characters at the current cursor position
183 TEXT_DELETED ///< Characters were deleted
192 : mFontDescription(),
193 mDefaultPointSize( 0.f ),
194 mFitPointSize( 0.f ),
196 familyDefined( false ),
197 weightDefined( false ),
198 widthDefined( false ),
199 slantDefined( false ),
202 // Initially use the default platform font
203 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
204 fontClient.GetDefaultPlatformFontDescription( mFontDescription );
207 FontId GetFontId( TextAbstraction::FontClient& fontClient )
211 const PointSize26Dot6 pointSize = static_cast<PointSize26Dot6>( mDefaultPointSize * 64.f );
212 mFontId = fontClient.GetFontId( mFontDescription, pointSize );
218 TextAbstraction::FontDescription mFontDescription; ///< The default font's description.
219 float mDefaultPointSize; ///< The default font's point size.
220 float mFitPointSize; ///< The fit font's point size.
221 FontId mFontId; ///< The font's id of the default font.
222 bool familyDefined:1; ///< Whether the default font's family name is defined.
223 bool weightDefined:1; ///< Whether the default font's weight is defined.
224 bool widthDefined:1; ///< Whether the default font's width is defined.
225 bool slantDefined:1; ///< Whether the default font's slant is defined.
226 bool sizeDefined:1; ///< Whether the default font's point size is defined.
230 * @brief Stores indices used to update the text.
231 * Stores the character index where the text is updated and the number of characters removed and added.
232 * Stores as well indices to the first and the last paragraphs to be updated.
234 struct TextUpdateInfo
237 : mCharacterIndex( 0u ),
238 mNumberOfCharactersToRemove( 0u ),
239 mNumberOfCharactersToAdd( 0u ),
240 mPreviousNumberOfCharacters( 0u ),
241 mParagraphCharacterIndex( 0u ),
242 mRequestedNumberOfCharacters( 0u ),
243 mStartGlyphIndex( 0u ),
244 mStartLineIndex( 0u ),
245 mEstimatedNumberOfLines( 0u ),
247 mFullRelayoutNeeded( true ),
248 mIsLastCharacterNewParagraph( false )
254 CharacterIndex mCharacterIndex; ///< Index to the first character to be updated.
255 Length mNumberOfCharactersToRemove; ///< The number of characters to be removed.
256 Length mNumberOfCharactersToAdd; ///< The number of characters to be added.
257 Length mPreviousNumberOfCharacters; ///< The number of characters before the text update.
259 CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated.
260 Length mRequestedNumberOfCharacters; ///< The requested number of characters.
261 GlyphIndex mStartGlyphIndex;
262 LineIndex mStartLineIndex;
263 Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting.
265 bool mClearAll:1; ///< Whether the whole text is cleared. i.e. when the text is reset.
266 bool mFullRelayoutNeeded:1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control.
267 bool mIsLastCharacterNewParagraph:1; ///< Whether the last character is a new paragraph character.
271 // Clear all info except the mPreviousNumberOfCharacters member.
272 mCharacterIndex = static_cast<CharacterIndex>( -1 );
273 mNumberOfCharactersToRemove = 0u;
274 mNumberOfCharactersToAdd = 0u;
275 mParagraphCharacterIndex = 0u;
276 mRequestedNumberOfCharacters = 0u;
277 mStartGlyphIndex = 0u;
278 mStartLineIndex = 0u;
279 mEstimatedNumberOfLines = 0u;
281 mFullRelayoutNeeded = false;
282 mIsLastCharacterNewParagraph = false;
286 struct UnderlineDefaults
288 std::string properties;
289 // TODO: complete with underline parameters.
292 struct ShadowDefaults
294 std::string properties;
295 // TODO: complete with shadow parameters.
298 struct EmbossDefaults
300 std::string properties;
301 // TODO: complete with emboss parameters.
304 struct OutlineDefaults
306 std::string properties;
307 // TODO: complete with outline parameters.
310 struct Controller::Impl
312 Impl( ControlInterface* controlInterface,
313 EditableControlInterface* editableControlInterface,
314 SelectableControlInterface* selectableControlInterface )
315 : mControlInterface( controlInterface ),
316 mEditableControlInterface( editableControlInterface ),
317 mSelectableControlInterface( selectableControlInterface ),
319 mFontDefaults( NULL ),
320 mUnderlineDefaults( NULL ),
321 mShadowDefaults( NULL ),
322 mEmbossDefaults( NULL ),
323 mOutlineDefaults( NULL ),
330 mTextColor( Color::BLACK ),
332 mOperationsPending( NO_OPERATION ),
333 mMaximumNumberOfCharacters( 50u ),
334 mHiddenInput( NULL ),
335 mRecalculateNaturalSize( true ),
336 mMarkupProcessorEnabled( false ),
337 mClipboardHideEnabled( true ),
338 mIsAutoScrollEnabled( false ),
339 mUpdateTextDirection( true ),
340 mIsTextDirectionRTL( false ),
341 mUnderlineSetByString( false ),
342 mShadowSetByString( false ),
343 mOutlineSetByString( false ),
344 mFontStyleSetByString( false ),
345 mShouldClearFocusOnEscape( true ),
346 mLayoutDirection( LayoutDirection::LEFT_TO_RIGHT ),
347 mTextFitMinSize( DEFAULT_TEXTFIT_MIN ),
348 mTextFitMaxSize( DEFAULT_TEXTFIT_MAX ),
349 mTextFitStepSize( DEFAULT_TEXTFIT_STEP ),
350 mTextFitEnabled( false )
352 mModel = Model::New();
354 mFontClient = TextAbstraction::FontClient::Get();
355 mClipboard = Clipboard::Get();
357 mView.SetVisualModel( mModel->mVisualModel );
359 // Use this to access FontClient i.e. to get down-scaled Emoji metrics.
360 mMetrics = Metrics::New( mFontClient );
361 mLayoutEngine.SetMetrics( mMetrics );
363 // Set the text properties to default
364 mModel->mVisualModel->SetUnderlineEnabled( false );
365 mModel->mVisualModel->SetUnderlineHeight( 0.0f );
367 Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
371 Property::Map config = Toolkit::DevelStyleManager::GetConfigurations( styleManager );
372 if( config["clearFocusOnEscape"].Get( temp ) )
374 mShouldClearFocusOnEscape = temp;
383 delete mFontDefaults;
384 delete mUnderlineDefaults;
385 delete mShadowDefaults;
386 delete mEmbossDefaults;
387 delete mOutlineDefaults;
391 // Text Controller Implementation.
394 * @copydoc Text::Controller::RequestRelayout()
396 void RequestRelayout();
399 * @brief Request a relayout using the ControlInterface.
401 void QueueModifyEvent( ModifyEvent::Type type )
403 if( ModifyEvent::TEXT_REPLACED == type)
405 // Cancel previously queued inserts etc.
406 mModifyEvents.Clear();
411 mModifyEvents.PushBack( event );
413 // The event will be processed during relayout
418 * @brief Helper to move the cursor, grab handle etc.
420 bool ProcessInputEvents();
423 * @brief Helper to check whether any place-holder text is available.
425 bool IsPlaceholderAvailable() const
427 return ( mEventData &&
428 ( !mEventData->mPlaceholderTextInactive.empty() ||
429 !mEventData->mPlaceholderTextActive.empty() )
433 bool IsShowingPlaceholderText() const
435 return ( mEventData && mEventData->mIsShowingPlaceholderText );
439 * @brief Helper to check whether active place-holder text is available.
441 bool IsFocusedPlaceholderAvailable() const
443 return ( mEventData && !mEventData->mPlaceholderTextActive.empty() );
446 bool IsShowingRealText() const
448 return ( !IsShowingPlaceholderText() &&
449 0u != mModel->mLogicalModel->mText.Count() );
453 * @brief Called when placeholder-text is hidden
455 void PlaceholderCleared()
459 mEventData->mIsShowingPlaceholderText = false;
461 // Remove mPlaceholderTextColor
462 mModel->mVisualModel->SetTextColor( mTextColor );
466 void ClearPreEditFlag()
470 mEventData->mPreEditFlag = false;
471 mEventData->mPreEditStartPosition = 0;
472 mEventData->mPreEditLength = 0;
476 void ResetInputMethodContext()
480 // Reset incase we are in a pre-edit state.
481 if( mEventData->mInputMethodContext )
483 mEventData->mInputMethodContext.Reset(); // Will trigger a message ( commit, get surrounding )
491 * @brief Helper to notify InputMethodContext with surrounding text & cursor changes.
493 void NotifyInputMethodContext();
496 * @brief Helper to notify InputMethodContext with multi line status.
498 void NotifyInputMethodContextMultiLineStatus();
501 * @brief Retrieve the current cursor position.
503 * @return The cursor position.
505 CharacterIndex GetLogicalCursorPosition() const;
508 * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
510 * @param[in] index The character index from where to count the number of consecutive white spaces.
512 * @return The number of consecutive white spaces.
514 Length GetNumberOfWhiteSpaces( CharacterIndex index ) const;
517 * @brief Retrieve any text previously set starting from the given @p index.
519 * @param[in] index The character index from where to retrieve the text.
520 * @param[out] text A string of UTF-8 characters.
522 * @see Dali::Toolkit::Text::Controller::GetText()
524 void GetText( CharacterIndex index, std::string& text ) const;
526 bool IsClipboardEmpty()
528 bool result( mClipboard && mClipboard.NumberOfItems() );
529 return !result; // If NumberOfItems greater than 0, return false
532 bool IsClipboardVisible()
534 bool result( mClipboard && mClipboard.IsVisible() );
539 * @brief Calculates the start character index of the first paragraph to be updated and
540 * the end character index of the last paragraph to be updated.
542 * @param[out] numberOfCharacters The number of characters to be updated.
544 void CalculateTextUpdateIndices( Length& numberOfCharacters );
547 * @brief Helper to clear completely the parts of the model specified by the given @p operations.
549 * @note It never clears the text stored in utf32.
551 void ClearFullModelData( OperationsMask operations );
554 * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations.
556 * @note It never clears the text stored in utf32.
558 * @param[in] startIndex Index to the first character to be cleared.
559 * @param[in] endIndex Index to the last character to be cleared.
560 * @param[in] operations The operations required.
562 void ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
565 * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations.
567 * @note It never clears the text stored in utf32.
568 * @note Character indices are transformed to glyph indices.
570 * @param[in] startIndex Index to the first character to be cleared.
571 * @param[in] endIndex Index to the last character to be cleared.
572 * @param[in] operations The operations required.
574 void ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
577 * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex.
579 * @note It never clears the text stored in utf32.
581 * @param[in] startIndex Index to the first character to be cleared.
582 * @param[in] endIndex Index to the last character to be cleared.
583 * @param[in] operations The operations required.
585 void ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
588 * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes.
590 * When text or style changes the model is set with some operations pending.
591 * When i.e. the text's size or a relayout is required this method is called
592 * with a given @p operationsRequired parameter. The operations required are
593 * matched with the operations pending to perform the minimum number of operations.
595 * @param[in] operationsRequired The operations required.
597 * @return @e true if the model has been modified.
599 bool UpdateModel( OperationsMask operationsRequired );
602 * @brief Retreieves the default style.
604 * @param[out] inputStyle The default style.
606 void RetrieveDefaultInputStyle( InputStyle& inputStyle );
609 * @brief Retrieve the line height of the default font.
611 float GetDefaultFontLineHeight();
613 void OnCursorKeyEvent( const Event& event );
615 void OnTapEvent( const Event& event );
617 void OnPanEvent( const Event& event );
619 void OnLongPressEvent( const Event& event );
621 void OnHandleEvent( const Event& event );
623 void OnSelectEvent( const Event& event );
625 void OnSelectAllEvent();
627 void OnSelectNoneEvent();
630 * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
632 void SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEndf);
635 * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
637 Uint32Pair GetTextSelectionRange() const;
640 * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
642 * @param[out] selectedText The selected text encoded in utf8.
643 * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
645 void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval );
647 void ShowClipboard();
649 void HideClipboard();
651 void SetClipboardHideEnable(bool enable);
653 bool CopyStringToClipboard( std::string& source );
655 void SendSelectionToClipboard( bool deleteAfterSending );
657 void RequestGetTextFromClipboard();
659 void RepositionSelectionHandles();
660 void RepositionSelectionHandles( float visualX, float visualY, Controller::NoTextTap::Action action );
662 void SetPopupButtons();
664 void ChangeState( EventData::State newState );
667 * @brief Calculates the cursor's position for a given character index in the logical order.
669 * It retrieves as well the line's height and the cursor's height and
670 * if there is a valid alternative cursor, its position and height.
672 * @param[in] logical The logical cursor position (in characters). 0 is just before the first character, a value equal to the number of characters is just after the last character.
673 * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
675 void GetCursorPosition( CharacterIndex logical,
676 CursorInfo& cursorInfo );
679 * @brief Calculates the new cursor index.
681 * It takes into account that in some scripts multiple characters can form a glyph and all of them
682 * need to be jumped with one key event.
684 * @param[in] index The initial new index.
686 * @return The new cursor index.
688 CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const;
691 * @brief Updates the cursor position.
693 * Sets the cursor's position into the decorator. It transforms the cursor's position into decorator's coords.
694 * It sets the position of the secondary cursor if it's a valid one.
695 * Sets which cursors are active.
697 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
700 void UpdateCursorPosition( const CursorInfo& cursorInfo );
703 * @brief Updates the position of the given selection handle. It transforms the handle's position into decorator's coords.
705 * @param[in] handleType One of the selection handles.
706 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
708 void UpdateSelectionHandle( HandleType handleType,
709 const CursorInfo& cursorInfo );
712 * @biref Clamps the horizontal scrolling to get the control always filled with text.
714 * @param[in] layoutSize The size of the laid out text.
716 void ClampHorizontalScroll( const Vector2& layoutSize );
719 * @biref Clamps the vertical scrolling to get the control always filled with text.
721 * @param[in] layoutSize The size of the laid out text.
723 void ClampVerticalScroll( const Vector2& layoutSize );
726 * @brief Scrolls the text to make a position visible.
728 * @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
730 * @param[in] position A position in text coords.
731 * @param[in] lineHeight The line height for the given position.
733 * This method is called after inserting text, moving the cursor with the grab handle or the keypad,
734 * or moving the selection handles.
736 void ScrollToMakePositionVisible( const Vector2& position, float lineHeight );
739 * @brief Scrolls the text to make the cursor visible.
741 * This method is called after deleting text.
743 void ScrollTextToMatchCursor( const CursorInfo& cursorInfo );
746 * @brief Create an actor that renders the text background color
748 * @return the created actor or an empty handle if no background color needs to be rendered.
750 Actor CreateBackgroundActor();
755 * @brief Gets implementation from the controller handle.
756 * @param controller The text controller
757 * @return The implementation of the Controller
759 static Impl& GetImplementation( Text::Controller& controller )
761 return *controller.mImpl;
765 // Declared private and left undefined to avoid copies.
767 // Declared private and left undefined to avoid copies.
768 Impl& operator=( const Impl& );
772 ControlInterface* mControlInterface; ///< Reference to the text controller.
773 EditableControlInterface* mEditableControlInterface; ///< Reference to the editable text controller.
774 SelectableControlInterface* mSelectableControlInterface; ///< Reference to the selectable text controller.
775 ModelPtr mModel; ///< Pointer to the text's model.
776 FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
777 UnderlineDefaults* mUnderlineDefaults; ///< Avoid allocating this when the user does not specify underline parameters.
778 ShadowDefaults* mShadowDefaults; ///< Avoid allocating this when the user does not specify shadow parameters.
779 EmbossDefaults* mEmbossDefaults; ///< Avoid allocating this when the user does not specify emboss parameters.
780 OutlineDefaults* mOutlineDefaults; ///< Avoid allocating this when the user does not specify outline parameters.
781 EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
782 TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
783 Clipboard mClipboard; ///< Handle to the system clipboard
784 View mView; ///< The view interface to the rendering back-end.
785 MetricsPtr mMetrics; ///< A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
786 Layout::Engine mLayoutEngine; ///< The layout engine.
787 Vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
788 Vector4 mTextColor; ///< The regular text color
789 TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated.
790 OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
791 Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
792 HiddenText* mHiddenInput; ///< Avoid allocating this when the user does not specify hidden input mode.
793 Vector2 mTextFitContentSize; ///< Size of Text fit content
795 bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
796 bool mMarkupProcessorEnabled:1; ///< Whether the mark-up procesor is enabled.
797 bool mClipboardHideEnabled:1; ///< Whether the ClipboardHide function work or not
798 bool mIsAutoScrollEnabled:1; ///< Whether auto text scrolling is enabled.
799 bool mUpdateTextDirection:1; ///< Whether the text direction needs to be updated.
800 CharacterDirection mIsTextDirectionRTL:1; ///< Whether the text direction is right to left or not
802 bool mUnderlineSetByString:1; ///< Set when underline is set by string (legacy) instead of map
803 bool mShadowSetByString:1; ///< Set when shadow is set by string (legacy) instead of map
804 bool mOutlineSetByString:1; ///< Set when outline is set by string (legacy) instead of map
805 bool mFontStyleSetByString:1; ///< Set when font style is set by string (legacy) instead of map
806 bool mShouldClearFocusOnEscape:1; ///< Whether text control should clear key input focus
807 LayoutDirection::Type mLayoutDirection; ///< Current system language direction
809 Shader mShaderBackground; ///< The shader for text background.
811 float mTextFitMinSize; ///< Minimum Font Size for text fit. Default 10
812 float mTextFitMaxSize; ///< Maximum Font Size for text fit. Default 100
813 float mTextFitStepSize; ///< Step Size for font intervalse. Default 1
814 bool mTextFitEnabled : 1; ///< Whether the text's fit is enabled.
819 } // namespace Toolkit
823 #endif // DALI_TOOLKIT_TEXT_CONTROLLER_H