1 #ifndef DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
2 #define DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
5 * Copyright (c) 2020 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
50 struct ControllerImplEventHandler;
52 class SelectableControlInterface;
56 // Used to queue input events until DoRelayout()
64 LEFT_SELECTION_HANDLE_EVENT,
65 RIGHT_SELECTION_HANDLE_EVENT,
79 Event( Type eventType )
102 EDITING_WITH_GRAB_HANDLE,
103 EDITING_WITH_PASTE_POPUP,
105 SELECTION_HANDLE_PANNING,
109 EventData( DecoratorPtr decorator, InputMethodContext& inputMethodContext );
113 static bool IsEditingState( State stateToCheck )
115 return ( stateToCheck == EDITING || stateToCheck == EDITING_WITH_POPUP || stateToCheck == EDITING_WITH_GRAB_HANDLE || stateToCheck == EDITING_WITH_PASTE_POPUP );
118 DecoratorPtr mDecorator; ///< Pointer to the decorator.
119 InputMethodContext mInputMethodContext; ///< The Input Method Framework Manager.
120 FontDefaults* mPlaceholderFont; ///< The placeholder default font.
121 std::string mPlaceholderTextActive; ///< The text to display when the TextField is empty with key-input focus.
122 std::string mPlaceholderTextInactive; ///< The text to display when the TextField is empty and inactive.
123 Vector4 mPlaceholderTextColor; ///< The in/active placeholder text color.
126 * This is used to delay handling events until after the model has been updated.
127 * The number of updates to the model is minimized to improve performance.
129 std::vector<Event> mEventQueue; ///< The queue of touch events etc.
131 Vector<InputStyle::Mask> mInputStyleChangedQueue; ///< Queue of changes in the input style. Used to emit the signal in the iddle callback.
133 InputStyle mInputStyle; ///< The style to be set to the new inputed text.
135 State mPreviousState; ///< Stores the current state before it's updated with the new one.
136 State mState; ///< Selection mode, edit mode etc.
138 CharacterIndex mPrimaryCursorPosition; ///< Index into logical model for primary cursor.
139 CharacterIndex mLeftSelectionPosition; ///< Index into logical model for left selection handle.
140 CharacterIndex mRightSelectionPosition; ///< Index into logical model for right selection handle.
142 CharacterIndex mPreEditStartPosition; ///< Used to remove the pre-edit text if necessary.
143 Length mPreEditLength; ///< Used to remove the pre-edit text if necessary.
145 float mCursorHookPositionX; ///< Used to move the cursor with the keys or when scrolling the text vertically with the handles.
147 Controller::NoTextTap::Action mDoubleTapAction; ///< Action to be done when there is a double tap on top of 'no text'
148 Controller::NoTextTap::Action mLongPressAction; ///< Action to be done when there is a long press on top of 'no text'
150 bool mIsShowingPlaceholderText : 1; ///< True if the place-holder text is being displayed.
151 bool mPreEditFlag : 1; ///< True if the model contains text in pre-edit state.
152 bool mDecoratorUpdated : 1; ///< True if the decorator was updated during event processing.
153 bool mCursorBlinkEnabled : 1; ///< True if cursor should blink when active.
154 bool mGrabHandleEnabled : 1; ///< True if grab handle is enabled.
155 bool mGrabHandlePopupEnabled : 1; ///< True if the grab handle popu-up should be shown.
156 bool mSelectionEnabled : 1; ///< True if selection handles, highlight etc. are enabled.
157 bool mUpdateCursorHookPosition : 1; ///< True if the cursor hook position must be updated. Used to move the cursor with the keys 'up' and 'down'.
158 bool mUpdateCursorPosition : 1; ///< True if the visual position of the cursor must be recalculated.
159 bool mUpdateGrabHandlePosition : 1; ///< True if the visual position of the grab handle must be recalculated.
160 bool mUpdateLeftSelectionPosition : 1; ///< True if the visual position of the left selection handle must be recalculated.
161 bool mUpdateRightSelectionPosition : 1; ///< True if the visual position of the right selection handle must be recalculated.
162 bool mIsLeftHandleSelected : 1; ///< Whether is the left handle the one which is selected.
163 bool mIsRightHandleSelected : 1; ///< Whether is the right handle the one which is selected.
164 bool mUpdateHighlightBox : 1; ///< True if the text selection high light box must be updated.
165 bool mScrollAfterUpdatePosition : 1; ///< Whether to scroll after the cursor position is updated.
166 bool mScrollAfterDelete : 1; ///< Whether to scroll after delete characters.
167 bool mAllTextSelected : 1; ///< True if the selection handles are selecting all the text.
168 bool mUpdateInputStyle : 1; ///< Whether to update the input style after moving the cursor.
169 bool mPasswordInput : 1; ///< True if password input is enabled.
170 bool mCheckScrollAmount : 1; ///< Whether to check scrolled amount after updating the position
171 bool mIsPlaceholderPixelSize : 1; ///< True if the placeholder font size is set as pixel size.
172 bool mIsPlaceholderElideEnabled : 1; ///< True if the placeholder text's elide is enabled.
173 bool mPlaceholderEllipsisFlag : 1; ///< True if the text controller sets the placeholder ellipsis.
174 bool mShiftSelectionFlag : 1; ///< True if the text selection using Shift key is enabled.
175 bool mUpdateAlignment : 1; ///< True if the whole text needs to be full aligned..
176 bool mEditingEnabled : 1; ///< True if the editing is enabled, false otherwise.
183 TEXT_REPLACED, ///< The entire text was replaced
184 TEXT_INSERTED, ///< Insert characters at the current cursor position
185 TEXT_DELETED ///< Characters were deleted
194 : mFontDescription(),
195 mDefaultPointSize( 0.f ),
196 mFitPointSize( 0.f ),
198 familyDefined( false ),
199 weightDefined( false ),
200 widthDefined( false ),
201 slantDefined( false ),
204 // Initially use the default platform font
205 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
206 fontClient.GetDefaultPlatformFontDescription( mFontDescription );
209 FontId GetFontId( TextAbstraction::FontClient& fontClient )
213 const PointSize26Dot6 pointSize = static_cast<PointSize26Dot6>( mDefaultPointSize * 64.f );
214 mFontId = fontClient.GetFontId( mFontDescription, pointSize );
220 TextAbstraction::FontDescription mFontDescription; ///< The default font's description.
221 float mDefaultPointSize; ///< The default font's point size.
222 float mFitPointSize; ///< The fit font's point size.
223 FontId mFontId; ///< The font's id of the default font.
224 bool familyDefined:1; ///< Whether the default font's family name is defined.
225 bool weightDefined:1; ///< Whether the default font's weight is defined.
226 bool widthDefined:1; ///< Whether the default font's width is defined.
227 bool slantDefined:1; ///< Whether the default font's slant is defined.
228 bool sizeDefined:1; ///< Whether the default font's point size is defined.
232 * @brief Stores indices used to update the text.
233 * Stores the character index where the text is updated and the number of characters removed and added.
234 * Stores as well indices to the first and the last paragraphs to be updated.
236 struct TextUpdateInfo
239 : mCharacterIndex( 0u ),
240 mNumberOfCharactersToRemove( 0u ),
241 mNumberOfCharactersToAdd( 0u ),
242 mPreviousNumberOfCharacters( 0u ),
243 mParagraphCharacterIndex( 0u ),
244 mRequestedNumberOfCharacters( 0u ),
245 mStartGlyphIndex( 0u ),
246 mStartLineIndex( 0u ),
247 mEstimatedNumberOfLines( 0u ),
249 mFullRelayoutNeeded( true ),
250 mIsLastCharacterNewParagraph( false )
256 CharacterIndex mCharacterIndex; ///< Index to the first character to be updated.
257 Length mNumberOfCharactersToRemove; ///< The number of characters to be removed.
258 Length mNumberOfCharactersToAdd; ///< The number of characters to be added.
259 Length mPreviousNumberOfCharacters; ///< The number of characters before the text update.
261 CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated.
262 Length mRequestedNumberOfCharacters; ///< The requested number of characters.
263 GlyphIndex mStartGlyphIndex;
264 LineIndex mStartLineIndex;
265 Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting.
267 bool mClearAll:1; ///< Whether the whole text is cleared. i.e. when the text is reset.
268 bool mFullRelayoutNeeded:1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control.
269 bool mIsLastCharacterNewParagraph:1; ///< Whether the last character is a new paragraph character.
273 // Clear all info except the mPreviousNumberOfCharacters member.
274 mCharacterIndex = static_cast<CharacterIndex>( -1 );
275 mNumberOfCharactersToRemove = 0u;
276 mNumberOfCharactersToAdd = 0u;
277 mParagraphCharacterIndex = 0u;
278 mRequestedNumberOfCharacters = 0u;
279 mStartGlyphIndex = 0u;
280 mStartLineIndex = 0u;
281 mEstimatedNumberOfLines = 0u;
283 mFullRelayoutNeeded = false;
284 mIsLastCharacterNewParagraph = false;
288 struct UnderlineDefaults
290 std::string properties;
291 // TODO: complete with underline parameters.
294 struct ShadowDefaults
296 std::string properties;
297 // TODO: complete with shadow parameters.
300 struct EmbossDefaults
302 std::string properties;
303 // TODO: complete with emboss parameters.
306 struct OutlineDefaults
308 std::string properties;
309 // TODO: complete with outline parameters.
312 struct Controller::Impl
314 Impl( ControlInterface* controlInterface,
315 EditableControlInterface* editableControlInterface,
316 SelectableControlInterface* selectableControlInterface )
317 : mControlInterface( controlInterface ),
318 mEditableControlInterface( editableControlInterface ),
319 mSelectableControlInterface( selectableControlInterface ),
321 mFontDefaults( NULL ),
322 mUnderlineDefaults( NULL ),
323 mShadowDefaults( NULL ),
324 mEmbossDefaults( NULL ),
325 mOutlineDefaults( NULL ),
332 mTextColor( Color::BLACK ),
334 mOperationsPending( NO_OPERATION ),
335 mMaximumNumberOfCharacters( 50u ),
336 mHiddenInput( NULL ),
337 mRecalculateNaturalSize( true ),
338 mMarkupProcessorEnabled( false ),
339 mClipboardHideEnabled( true ),
340 mIsAutoScrollEnabled( false ),
341 mUpdateTextDirection( true ),
342 mIsTextDirectionRTL( false ),
343 mUnderlineSetByString( false ),
344 mShadowSetByString( false ),
345 mOutlineSetByString( false ),
346 mFontStyleSetByString( false ),
347 mShouldClearFocusOnEscape( true ),
348 mLayoutDirection( LayoutDirection::LEFT_TO_RIGHT ),
349 mTextFitMinSize( DEFAULT_TEXTFIT_MIN ),
350 mTextFitMaxSize( DEFAULT_TEXTFIT_MAX ),
351 mTextFitStepSize( DEFAULT_TEXTFIT_STEP ),
352 mTextFitEnabled( false )
354 mModel = Model::New();
356 mFontClient = TextAbstraction::FontClient::Get();
357 mClipboard = Clipboard::Get();
359 mView.SetVisualModel( mModel->mVisualModel );
361 // Use this to access FontClient i.e. to get down-scaled Emoji metrics.
362 mMetrics = Metrics::New( mFontClient );
363 mLayoutEngine.SetMetrics( mMetrics );
365 // Set the text properties to default
366 mModel->mVisualModel->SetUnderlineEnabled( false );
367 mModel->mVisualModel->SetUnderlineHeight( 0.0f );
369 Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
373 Property::Map config = Toolkit::DevelStyleManager::GetConfigurations( styleManager );
374 if( config["clearFocusOnEscape"].Get( temp ) )
376 mShouldClearFocusOnEscape = temp;
385 delete mFontDefaults;
386 delete mUnderlineDefaults;
387 delete mShadowDefaults;
388 delete mEmbossDefaults;
389 delete mOutlineDefaults;
393 // Text Controller Implementation.
396 * @copydoc Text::Controller::RequestRelayout()
398 void RequestRelayout();
401 * @brief Request a relayout using the ControlInterface.
403 void QueueModifyEvent( ModifyEvent::Type type )
405 if( ModifyEvent::TEXT_REPLACED == type)
407 // Cancel previously queued inserts etc.
408 mModifyEvents.Clear();
413 mModifyEvents.PushBack( event );
415 // The event will be processed during relayout
420 * @brief Helper to move the cursor, grab handle etc.
422 bool ProcessInputEvents();
425 * @brief Helper to check whether any place-holder text is available.
427 bool IsPlaceholderAvailable() const
429 return ( mEventData &&
430 ( !mEventData->mPlaceholderTextInactive.empty() ||
431 !mEventData->mPlaceholderTextActive.empty() )
435 bool IsShowingPlaceholderText() const
437 return ( mEventData && mEventData->mIsShowingPlaceholderText );
441 * @brief Helper to check whether active place-holder text is available.
443 bool IsFocusedPlaceholderAvailable() const
445 return ( mEventData && !mEventData->mPlaceholderTextActive.empty() );
448 bool IsShowingRealText() const
450 return ( !IsShowingPlaceholderText() &&
451 0u != mModel->mLogicalModel->mText.Count() );
455 * @brief Called when placeholder-text is hidden
457 void PlaceholderCleared()
461 mEventData->mIsShowingPlaceholderText = false;
463 // Remove mPlaceholderTextColor
464 mModel->mVisualModel->SetTextColor( mTextColor );
468 void ClearPreEditFlag()
472 mEventData->mPreEditFlag = false;
473 mEventData->mPreEditStartPosition = 0;
474 mEventData->mPreEditLength = 0;
478 void ResetInputMethodContext()
482 // Reset incase we are in a pre-edit state.
483 if( mEventData->mInputMethodContext )
485 mEventData->mInputMethodContext.Reset(); // Will trigger a message ( commit, get surrounding )
493 * @brief Helper to notify InputMethodContext with surrounding text & cursor changes.
495 void NotifyInputMethodContext();
498 * @brief Helper to notify InputMethodContext with multi line status.
500 void NotifyInputMethodContextMultiLineStatus();
503 * @brief Retrieve the current cursor position.
505 * @return The cursor position.
507 CharacterIndex GetLogicalCursorPosition() const;
510 * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
512 * @param[in] index The character index from where to count the number of consecutive white spaces.
514 * @return The number of consecutive white spaces.
516 Length GetNumberOfWhiteSpaces( CharacterIndex index ) const;
519 * @brief Retrieve any text previously set starting from the given @p index.
521 * @param[in] index The character index from where to retrieve the text.
522 * @param[out] text A string of UTF-8 characters.
524 * @see Dali::Toolkit::Text::Controller::GetText()
526 void GetText( CharacterIndex index, std::string& text ) const;
528 bool IsClipboardEmpty()
530 bool result( mClipboard && mClipboard.NumberOfItems() );
531 return !result; // If NumberOfItems greater than 0, return false
534 bool IsClipboardVisible()
536 bool result( mClipboard && mClipboard.IsVisible() );
541 * @brief Calculates the start character index of the first paragraph to be updated and
542 * the end character index of the last paragraph to be updated.
544 * @param[out] numberOfCharacters The number of characters to be updated.
546 void CalculateTextUpdateIndices( Length& numberOfCharacters );
549 * @brief Helper to clear completely the parts of the model specified by the given @p operations.
551 * @note It never clears the text stored in utf32.
553 void ClearFullModelData( OperationsMask operations );
556 * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations.
558 * @note It never clears the text stored in utf32.
560 * @param[in] startIndex Index to the first character to be cleared.
561 * @param[in] endIndex Index to the last character to be cleared.
562 * @param[in] operations The operations required.
564 void ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
567 * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations.
569 * @note It never clears the text stored in utf32.
570 * @note Character indices are transformed to glyph indices.
572 * @param[in] startIndex Index to the first character to be cleared.
573 * @param[in] endIndex Index to the last character to be cleared.
574 * @param[in] operations The operations required.
576 void ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
579 * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex.
581 * @note It never clears the text stored in utf32.
583 * @param[in] startIndex Index to the first character to be cleared.
584 * @param[in] endIndex Index to the last character to be cleared.
585 * @param[in] operations The operations required.
587 void ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
590 * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes.
592 * When text or style changes the model is set with some operations pending.
593 * When i.e. the text's size or a relayout is required this method is called
594 * with a given @p operationsRequired parameter. The operations required are
595 * matched with the operations pending to perform the minimum number of operations.
597 * @param[in] operationsRequired The operations required.
599 * @return @e true if the model has been modified.
601 bool UpdateModel( OperationsMask operationsRequired );
604 * @brief Retreieves the default style.
606 * @param[out] inputStyle The default style.
608 void RetrieveDefaultInputStyle( InputStyle& inputStyle );
611 * @brief Retrieve the line height of the default font.
613 float GetDefaultFontLineHeight();
615 void OnCursorKeyEvent( const Event& event );
617 void OnTapEvent( const Event& event );
619 void OnPanEvent( const Event& event );
621 void OnLongPressEvent( const Event& event );
623 void OnHandleEvent( const Event& event );
625 void OnSelectEvent( const Event& event );
627 void OnSelectAllEvent();
629 void OnSelectNoneEvent();
632 * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
634 void SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEndf);
637 * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
639 Uint32Pair GetTextSelectionRange() const;
642 * @copydoc Text::EditableControlInterface::IsEditable()
644 bool IsEditable() const;
647 * @copydoc Text::EditableControlInterface::SetEditable()
649 void SetEditable( bool editable );
652 * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
654 * @param[out] selectedText The selected text encoded in utf8.
655 * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
657 void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval );
659 void ShowClipboard();
661 void HideClipboard();
663 void SetClipboardHideEnable(bool enable);
665 bool CopyStringToClipboard( std::string& source );
667 void SendSelectionToClipboard( bool deleteAfterSending );
669 void RequestGetTextFromClipboard();
671 void RepositionSelectionHandles();
672 void RepositionSelectionHandles( float visualX, float visualY, Controller::NoTextTap::Action action );
674 void SetPopupButtons();
676 void ChangeState( EventData::State newState );
679 * @brief Calculates the cursor's position for a given character index in the logical order.
681 * It retrieves as well the line's height and the cursor's height and
682 * if there is a valid alternative cursor, its position and height.
684 * @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.
685 * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
687 void GetCursorPosition( CharacterIndex logical,
688 CursorInfo& cursorInfo );
691 * @brief Calculates the new cursor index.
693 * It takes into account that in some scripts multiple characters can form a glyph and all of them
694 * need to be jumped with one key event.
696 * @param[in] index The initial new index.
698 * @return The new cursor index.
700 CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const;
703 * @brief Updates the cursor position.
705 * Sets the cursor's position into the decorator. It transforms the cursor's position into decorator's coords.
706 * It sets the position of the secondary cursor if it's a valid one.
707 * Sets which cursors are active.
709 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
712 void UpdateCursorPosition( const CursorInfo& cursorInfo );
715 * @brief Updates the position of the given selection handle. It transforms the handle's position into decorator's coords.
717 * @param[in] handleType One of the selection handles.
718 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
720 void UpdateSelectionHandle( HandleType handleType,
721 const CursorInfo& cursorInfo );
724 * @biref Clamps the horizontal scrolling to get the control always filled with text.
726 * @param[in] layoutSize The size of the laid out text.
728 void ClampHorizontalScroll( const Vector2& layoutSize );
731 * @biref Clamps the vertical scrolling to get the control always filled with text.
733 * @param[in] layoutSize The size of the laid out text.
735 void ClampVerticalScroll( const Vector2& layoutSize );
738 * @brief Scrolls the text to make a position visible.
740 * @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
742 * @param[in] position A position in text coords.
743 * @param[in] lineHeight The line height for the given position.
745 * This method is called after inserting text, moving the cursor with the grab handle or the keypad,
746 * or moving the selection handles.
748 void ScrollToMakePositionVisible( const Vector2& position, float lineHeight );
751 * @brief Scrolls the text to make the cursor visible.
753 * This method is called after deleting text.
755 void ScrollTextToMatchCursor( const CursorInfo& cursorInfo );
758 * @brief Create an actor that renders the text background color
760 * @return the created actor or an empty handle if no background color needs to be rendered.
762 Actor CreateBackgroundActor();
767 * @brief Gets implementation from the controller handle.
768 * @param controller The text controller
769 * @return The implementation of the Controller
771 static Impl& GetImplementation( Text::Controller& controller )
773 return *controller.mImpl;
777 // Declared private and left undefined to avoid copies.
779 // Declared private and left undefined to avoid copies.
780 Impl& operator=( const Impl& );
784 ControlInterface* mControlInterface; ///< Reference to the text controller.
785 EditableControlInterface* mEditableControlInterface; ///< Reference to the editable text controller.
786 SelectableControlInterface* mSelectableControlInterface; ///< Reference to the selectable text controller.
787 ModelPtr mModel; ///< Pointer to the text's model.
788 FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
789 UnderlineDefaults* mUnderlineDefaults; ///< Avoid allocating this when the user does not specify underline parameters.
790 ShadowDefaults* mShadowDefaults; ///< Avoid allocating this when the user does not specify shadow parameters.
791 EmbossDefaults* mEmbossDefaults; ///< Avoid allocating this when the user does not specify emboss parameters.
792 OutlineDefaults* mOutlineDefaults; ///< Avoid allocating this when the user does not specify outline parameters.
793 EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
794 TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
795 Clipboard mClipboard; ///< Handle to the system clipboard
796 View mView; ///< The view interface to the rendering back-end.
797 MetricsPtr mMetrics; ///< A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
798 Layout::Engine mLayoutEngine; ///< The layout engine.
799 Vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
800 Vector4 mTextColor; ///< The regular text color
801 TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated.
802 OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
803 Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
804 HiddenText* mHiddenInput; ///< Avoid allocating this when the user does not specify hidden input mode.
805 Vector2 mTextFitContentSize; ///< Size of Text fit content
807 bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
808 bool mMarkupProcessorEnabled:1; ///< Whether the mark-up procesor is enabled.
809 bool mClipboardHideEnabled:1; ///< Whether the ClipboardHide function work or not
810 bool mIsAutoScrollEnabled:1; ///< Whether auto text scrolling is enabled.
811 bool mUpdateTextDirection:1; ///< Whether the text direction needs to be updated.
812 CharacterDirection mIsTextDirectionRTL:1; ///< Whether the text direction is right to left or not
814 bool mUnderlineSetByString:1; ///< Set when underline is set by string (legacy) instead of map
815 bool mShadowSetByString:1; ///< Set when shadow is set by string (legacy) instead of map
816 bool mOutlineSetByString:1; ///< Set when outline is set by string (legacy) instead of map
817 bool mFontStyleSetByString:1; ///< Set when font style is set by string (legacy) instead of map
818 bool mShouldClearFocusOnEscape:1; ///< Whether text control should clear key input focus
819 LayoutDirection::Type mLayoutDirection; ///< Current system language direction
821 Shader mShaderBackground; ///< The shader for text background.
823 float mTextFitMinSize; ///< Minimum Font Size for text fit. Default 10
824 float mTextFitMaxSize; ///< Maximum Font Size for text fit. Default 100
825 float mTextFitStepSize; ///< Step Size for font intervalse. Default 1
826 bool mTextFitEnabled : 1; ///< Whether the text's fit is enabled.
829 friend ControllerImplEventHandler;
834 } // namespace Toolkit
838 #endif // DALI_TOOLKIT_TEXT_CONTROLLER_H