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..
175 bool mEditingEnabled : 1; ///< True if the editing is enabled, false otherwise.
182 TEXT_REPLACED, ///< The entire text was replaced
183 TEXT_INSERTED, ///< Insert characters at the current cursor position
184 TEXT_DELETED ///< Characters were deleted
193 : mFontDescription(),
194 mDefaultPointSize( 0.f ),
195 mFitPointSize( 0.f ),
197 familyDefined( false ),
198 weightDefined( false ),
199 widthDefined( false ),
200 slantDefined( false ),
203 // Initially use the default platform font
204 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
205 fontClient.GetDefaultPlatformFontDescription( mFontDescription );
208 FontId GetFontId( TextAbstraction::FontClient& fontClient )
212 const PointSize26Dot6 pointSize = static_cast<PointSize26Dot6>( mDefaultPointSize * 64.f );
213 mFontId = fontClient.GetFontId( mFontDescription, pointSize );
219 TextAbstraction::FontDescription mFontDescription; ///< The default font's description.
220 float mDefaultPointSize; ///< The default font's point size.
221 float mFitPointSize; ///< The fit font's point size.
222 FontId mFontId; ///< The font's id of the default font.
223 bool familyDefined:1; ///< Whether the default font's family name is defined.
224 bool weightDefined:1; ///< Whether the default font's weight is defined.
225 bool widthDefined:1; ///< Whether the default font's width is defined.
226 bool slantDefined:1; ///< Whether the default font's slant is defined.
227 bool sizeDefined:1; ///< Whether the default font's point size is defined.
231 * @brief Stores indices used to update the text.
232 * Stores the character index where the text is updated and the number of characters removed and added.
233 * Stores as well indices to the first and the last paragraphs to be updated.
235 struct TextUpdateInfo
238 : mCharacterIndex( 0u ),
239 mNumberOfCharactersToRemove( 0u ),
240 mNumberOfCharactersToAdd( 0u ),
241 mPreviousNumberOfCharacters( 0u ),
242 mParagraphCharacterIndex( 0u ),
243 mRequestedNumberOfCharacters( 0u ),
244 mStartGlyphIndex( 0u ),
245 mStartLineIndex( 0u ),
246 mEstimatedNumberOfLines( 0u ),
248 mFullRelayoutNeeded( true ),
249 mIsLastCharacterNewParagraph( false )
255 CharacterIndex mCharacterIndex; ///< Index to the first character to be updated.
256 Length mNumberOfCharactersToRemove; ///< The number of characters to be removed.
257 Length mNumberOfCharactersToAdd; ///< The number of characters to be added.
258 Length mPreviousNumberOfCharacters; ///< The number of characters before the text update.
260 CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated.
261 Length mRequestedNumberOfCharacters; ///< The requested number of characters.
262 GlyphIndex mStartGlyphIndex;
263 LineIndex mStartLineIndex;
264 Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting.
266 bool mClearAll:1; ///< Whether the whole text is cleared. i.e. when the text is reset.
267 bool mFullRelayoutNeeded:1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control.
268 bool mIsLastCharacterNewParagraph:1; ///< Whether the last character is a new paragraph character.
272 // Clear all info except the mPreviousNumberOfCharacters member.
273 mCharacterIndex = static_cast<CharacterIndex>( -1 );
274 mNumberOfCharactersToRemove = 0u;
275 mNumberOfCharactersToAdd = 0u;
276 mParagraphCharacterIndex = 0u;
277 mRequestedNumberOfCharacters = 0u;
278 mStartGlyphIndex = 0u;
279 mStartLineIndex = 0u;
280 mEstimatedNumberOfLines = 0u;
282 mFullRelayoutNeeded = false;
283 mIsLastCharacterNewParagraph = false;
287 struct UnderlineDefaults
289 std::string properties;
290 // TODO: complete with underline parameters.
293 struct ShadowDefaults
295 std::string properties;
296 // TODO: complete with shadow parameters.
299 struct EmbossDefaults
301 std::string properties;
302 // TODO: complete with emboss parameters.
305 struct OutlineDefaults
307 std::string properties;
308 // TODO: complete with outline parameters.
311 struct Controller::Impl
313 Impl( ControlInterface* controlInterface,
314 EditableControlInterface* editableControlInterface,
315 SelectableControlInterface* selectableControlInterface )
316 : mControlInterface( controlInterface ),
317 mEditableControlInterface( editableControlInterface ),
318 mSelectableControlInterface( selectableControlInterface ),
320 mFontDefaults( NULL ),
321 mUnderlineDefaults( NULL ),
322 mShadowDefaults( NULL ),
323 mEmbossDefaults( NULL ),
324 mOutlineDefaults( NULL ),
331 mTextColor( Color::BLACK ),
333 mOperationsPending( NO_OPERATION ),
334 mMaximumNumberOfCharacters( 50u ),
335 mHiddenInput( NULL ),
336 mRecalculateNaturalSize( true ),
337 mMarkupProcessorEnabled( false ),
338 mClipboardHideEnabled( true ),
339 mIsAutoScrollEnabled( false ),
340 mUpdateTextDirection( true ),
341 mIsTextDirectionRTL( false ),
342 mUnderlineSetByString( false ),
343 mShadowSetByString( false ),
344 mOutlineSetByString( false ),
345 mFontStyleSetByString( false ),
346 mShouldClearFocusOnEscape( true ),
347 mLayoutDirection( LayoutDirection::LEFT_TO_RIGHT ),
348 mTextFitMinSize( DEFAULT_TEXTFIT_MIN ),
349 mTextFitMaxSize( DEFAULT_TEXTFIT_MAX ),
350 mTextFitStepSize( DEFAULT_TEXTFIT_STEP ),
351 mTextFitEnabled( false )
353 mModel = Model::New();
355 mFontClient = TextAbstraction::FontClient::Get();
356 mClipboard = Clipboard::Get();
358 mView.SetVisualModel( mModel->mVisualModel );
360 // Use this to access FontClient i.e. to get down-scaled Emoji metrics.
361 mMetrics = Metrics::New( mFontClient );
362 mLayoutEngine.SetMetrics( mMetrics );
364 // Set the text properties to default
365 mModel->mVisualModel->SetUnderlineEnabled( false );
366 mModel->mVisualModel->SetUnderlineHeight( 0.0f );
368 Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
372 Property::Map config = Toolkit::DevelStyleManager::GetConfigurations( styleManager );
373 if( config["clearFocusOnEscape"].Get( temp ) )
375 mShouldClearFocusOnEscape = temp;
384 delete mFontDefaults;
385 delete mUnderlineDefaults;
386 delete mShadowDefaults;
387 delete mEmbossDefaults;
388 delete mOutlineDefaults;
392 // Text Controller Implementation.
395 * @copydoc Text::Controller::RequestRelayout()
397 void RequestRelayout();
400 * @brief Request a relayout using the ControlInterface.
402 void QueueModifyEvent( ModifyEvent::Type type )
404 if( ModifyEvent::TEXT_REPLACED == type)
406 // Cancel previously queued inserts etc.
407 mModifyEvents.Clear();
412 mModifyEvents.PushBack( event );
414 // The event will be processed during relayout
419 * @brief Helper to move the cursor, grab handle etc.
421 bool ProcessInputEvents();
424 * @brief Helper to check whether any place-holder text is available.
426 bool IsPlaceholderAvailable() const
428 return ( mEventData &&
429 ( !mEventData->mPlaceholderTextInactive.empty() ||
430 !mEventData->mPlaceholderTextActive.empty() )
434 bool IsShowingPlaceholderText() const
436 return ( mEventData && mEventData->mIsShowingPlaceholderText );
440 * @brief Helper to check whether active place-holder text is available.
442 bool IsFocusedPlaceholderAvailable() const
444 return ( mEventData && !mEventData->mPlaceholderTextActive.empty() );
447 bool IsShowingRealText() const
449 return ( !IsShowingPlaceholderText() &&
450 0u != mModel->mLogicalModel->mText.Count() );
454 * @brief Called when placeholder-text is hidden
456 void PlaceholderCleared()
460 mEventData->mIsShowingPlaceholderText = false;
462 // Remove mPlaceholderTextColor
463 mModel->mVisualModel->SetTextColor( mTextColor );
467 void ClearPreEditFlag()
471 mEventData->mPreEditFlag = false;
472 mEventData->mPreEditStartPosition = 0;
473 mEventData->mPreEditLength = 0;
477 void ResetInputMethodContext()
481 // Reset incase we are in a pre-edit state.
482 if( mEventData->mInputMethodContext )
484 mEventData->mInputMethodContext.Reset(); // Will trigger a message ( commit, get surrounding )
492 * @brief Helper to notify InputMethodContext with surrounding text & cursor changes.
494 void NotifyInputMethodContext();
497 * @brief Helper to notify InputMethodContext with multi line status.
499 void NotifyInputMethodContextMultiLineStatus();
502 * @brief Retrieve the current cursor position.
504 * @return The cursor position.
506 CharacterIndex GetLogicalCursorPosition() const;
509 * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
511 * @param[in] index The character index from where to count the number of consecutive white spaces.
513 * @return The number of consecutive white spaces.
515 Length GetNumberOfWhiteSpaces( CharacterIndex index ) const;
518 * @brief Retrieve any text previously set starting from the given @p index.
520 * @param[in] index The character index from where to retrieve the text.
521 * @param[out] text A string of UTF-8 characters.
523 * @see Dali::Toolkit::Text::Controller::GetText()
525 void GetText( CharacterIndex index, std::string& text ) const;
527 bool IsClipboardEmpty()
529 bool result( mClipboard && mClipboard.NumberOfItems() );
530 return !result; // If NumberOfItems greater than 0, return false
533 bool IsClipboardVisible()
535 bool result( mClipboard && mClipboard.IsVisible() );
540 * @brief Calculates the start character index of the first paragraph to be updated and
541 * the end character index of the last paragraph to be updated.
543 * @param[out] numberOfCharacters The number of characters to be updated.
545 void CalculateTextUpdateIndices( Length& numberOfCharacters );
548 * @brief Helper to clear completely the parts of the model specified by the given @p operations.
550 * @note It never clears the text stored in utf32.
552 void ClearFullModelData( OperationsMask operations );
555 * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations.
557 * @note It never clears the text stored in utf32.
559 * @param[in] startIndex Index to the first character to be cleared.
560 * @param[in] endIndex Index to the last character to be cleared.
561 * @param[in] operations The operations required.
563 void ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
566 * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations.
568 * @note It never clears the text stored in utf32.
569 * @note Character indices are transformed to glyph indices.
571 * @param[in] startIndex Index to the first character to be cleared.
572 * @param[in] endIndex Index to the last character to be cleared.
573 * @param[in] operations The operations required.
575 void ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
578 * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex.
580 * @note It never clears the text stored in utf32.
582 * @param[in] startIndex Index to the first character to be cleared.
583 * @param[in] endIndex Index to the last character to be cleared.
584 * @param[in] operations The operations required.
586 void ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
589 * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes.
591 * When text or style changes the model is set with some operations pending.
592 * When i.e. the text's size or a relayout is required this method is called
593 * with a given @p operationsRequired parameter. The operations required are
594 * matched with the operations pending to perform the minimum number of operations.
596 * @param[in] operationsRequired The operations required.
598 * @return @e true if the model has been modified.
600 bool UpdateModel( OperationsMask operationsRequired );
603 * @brief Retreieves the default style.
605 * @param[out] inputStyle The default style.
607 void RetrieveDefaultInputStyle( InputStyle& inputStyle );
610 * @brief Retrieve the line height of the default font.
612 float GetDefaultFontLineHeight();
614 void OnCursorKeyEvent( const Event& event );
616 void OnTapEvent( const Event& event );
618 void OnPanEvent( const Event& event );
620 void OnLongPressEvent( const Event& event );
622 void OnHandleEvent( const Event& event );
624 void OnSelectEvent( const Event& event );
626 void OnSelectAllEvent();
628 void OnSelectNoneEvent();
631 * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
633 void SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEndf);
636 * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
638 Uint32Pair GetTextSelectionRange() const;
641 * @copydoc Text::EditableControlInterface::IsEditable()
643 bool IsEditable() const;
646 * @copydoc Text::EditableControlInterface::SetEditable()
648 void SetEditable( bool editable );
651 * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
653 * @param[out] selectedText The selected text encoded in utf8.
654 * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
656 void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval );
658 void ShowClipboard();
660 void HideClipboard();
662 void SetClipboardHideEnable(bool enable);
664 bool CopyStringToClipboard( std::string& source );
666 void SendSelectionToClipboard( bool deleteAfterSending );
668 void RequestGetTextFromClipboard();
670 void RepositionSelectionHandles();
671 void RepositionSelectionHandles( float visualX, float visualY, Controller::NoTextTap::Action action );
673 void SetPopupButtons();
675 void ChangeState( EventData::State newState );
678 * @brief Calculates the cursor's position for a given character index in the logical order.
680 * It retrieves as well the line's height and the cursor's height and
681 * if there is a valid alternative cursor, its position and height.
683 * @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.
684 * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
686 void GetCursorPosition( CharacterIndex logical,
687 CursorInfo& cursorInfo );
690 * @brief Calculates the new cursor index.
692 * It takes into account that in some scripts multiple characters can form a glyph and all of them
693 * need to be jumped with one key event.
695 * @param[in] index The initial new index.
697 * @return The new cursor index.
699 CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const;
702 * @brief Updates the cursor position.
704 * Sets the cursor's position into the decorator. It transforms the cursor's position into decorator's coords.
705 * It sets the position of the secondary cursor if it's a valid one.
706 * Sets which cursors are active.
708 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
711 void UpdateCursorPosition( const CursorInfo& cursorInfo );
714 * @brief Updates the position of the given selection handle. It transforms the handle's position into decorator's coords.
716 * @param[in] handleType One of the selection handles.
717 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
719 void UpdateSelectionHandle( HandleType handleType,
720 const CursorInfo& cursorInfo );
723 * @biref Clamps the horizontal scrolling to get the control always filled with text.
725 * @param[in] layoutSize The size of the laid out text.
727 void ClampHorizontalScroll( const Vector2& layoutSize );
730 * @biref Clamps the vertical scrolling to get the control always filled with text.
732 * @param[in] layoutSize The size of the laid out text.
734 void ClampVerticalScroll( const Vector2& layoutSize );
737 * @brief Scrolls the text to make a position visible.
739 * @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
741 * @param[in] position A position in text coords.
742 * @param[in] lineHeight The line height for the given position.
744 * This method is called after inserting text, moving the cursor with the grab handle or the keypad,
745 * or moving the selection handles.
747 void ScrollToMakePositionVisible( const Vector2& position, float lineHeight );
750 * @brief Scrolls the text to make the cursor visible.
752 * This method is called after deleting text.
754 void ScrollTextToMatchCursor( const CursorInfo& cursorInfo );
757 * @brief Create an actor that renders the text background color
759 * @return the created actor or an empty handle if no background color needs to be rendered.
761 Actor CreateBackgroundActor();
766 * @brief Gets implementation from the controller handle.
767 * @param controller The text controller
768 * @return The implementation of the Controller
770 static Impl& GetImplementation( Text::Controller& controller )
772 return *controller.mImpl;
776 // Declared private and left undefined to avoid copies.
778 // Declared private and left undefined to avoid copies.
779 Impl& operator=( const Impl& );
783 ControlInterface* mControlInterface; ///< Reference to the text controller.
784 EditableControlInterface* mEditableControlInterface; ///< Reference to the editable text controller.
785 SelectableControlInterface* mSelectableControlInterface; ///< Reference to the selectable text controller.
786 ModelPtr mModel; ///< Pointer to the text's model.
787 FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
788 UnderlineDefaults* mUnderlineDefaults; ///< Avoid allocating this when the user does not specify underline parameters.
789 ShadowDefaults* mShadowDefaults; ///< Avoid allocating this when the user does not specify shadow parameters.
790 EmbossDefaults* mEmbossDefaults; ///< Avoid allocating this when the user does not specify emboss parameters.
791 OutlineDefaults* mOutlineDefaults; ///< Avoid allocating this when the user does not specify outline parameters.
792 EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
793 TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
794 Clipboard mClipboard; ///< Handle to the system clipboard
795 View mView; ///< The view interface to the rendering back-end.
796 MetricsPtr mMetrics; ///< A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
797 Layout::Engine mLayoutEngine; ///< The layout engine.
798 Vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
799 Vector4 mTextColor; ///< The regular text color
800 TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated.
801 OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
802 Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
803 HiddenText* mHiddenInput; ///< Avoid allocating this when the user does not specify hidden input mode.
804 Vector2 mTextFitContentSize; ///< Size of Text fit content
806 bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
807 bool mMarkupProcessorEnabled:1; ///< Whether the mark-up procesor is enabled.
808 bool mClipboardHideEnabled:1; ///< Whether the ClipboardHide function work or not
809 bool mIsAutoScrollEnabled:1; ///< Whether auto text scrolling is enabled.
810 bool mUpdateTextDirection:1; ///< Whether the text direction needs to be updated.
811 CharacterDirection mIsTextDirectionRTL:1; ///< Whether the text direction is right to left or not
813 bool mUnderlineSetByString:1; ///< Set when underline is set by string (legacy) instead of map
814 bool mShadowSetByString:1; ///< Set when shadow is set by string (legacy) instead of map
815 bool mOutlineSetByString:1; ///< Set when outline is set by string (legacy) instead of map
816 bool mFontStyleSetByString:1; ///< Set when font style is set by string (legacy) instead of map
817 bool mShouldClearFocusOnEscape:1; ///< Whether text control should clear key input focus
818 LayoutDirection::Type mLayoutDirection; ///< Current system language direction
820 Shader mShaderBackground; ///< The shader for text background.
822 float mTextFitMinSize; ///< Minimum Font Size for text fit. Default 10
823 float mTextFitMaxSize; ///< Maximum Font Size for text fit. Default 100
824 float mTextFitStepSize; ///< Step Size for font intervalse. Default 1
825 bool mTextFitEnabled : 1; ///< Whether the text's fit is enabled.
830 } // namespace Toolkit
834 #endif // DALI_TOOLKIT_TEXT_CONTROLLER_H