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.
144 Length mPreEditTextLength; ///< Used to insert the pre-edit text if necessary.
146 float mCursorHookPositionX; ///< Used to move the cursor with the keys or when scrolling the text vertically with the handles.
148 Controller::NoTextTap::Action mDoubleTapAction; ///< Action to be done when there is a double tap on top of 'no text'
149 Controller::NoTextTap::Action mLongPressAction; ///< Action to be done when there is a long press on top of 'no text'
151 bool mIsShowingPlaceholderText : 1; ///< True if the place-holder text is being displayed.
152 bool mPreEditFlag : 1; ///< True if the model contains text in pre-edit state.
153 bool mPreEditToCommitFlag : 1; ///< True if the old model contains text in pre-edit state.
154 bool mDecoratorUpdated : 1; ///< True if the decorator was updated during event processing.
155 bool mCursorBlinkEnabled : 1; ///< True if cursor should blink when active.
156 bool mGrabHandleEnabled : 1; ///< True if grab handle is enabled.
157 bool mGrabHandlePopupEnabled : 1; ///< True if the grab handle popu-up should be shown.
158 bool mSelectionEnabled : 1; ///< True if selection handles, highlight etc. are enabled.
159 bool mUpdateCursorHookPosition : 1; ///< True if the cursor hook position must be updated. Used to move the cursor with the keys 'up' and 'down'.
160 bool mUpdateCursorPosition : 1; ///< True if the visual position of the cursor must be recalculated.
161 bool mUpdateGrabHandlePosition : 1; ///< True if the visual position of the grab handle must be recalculated.
162 bool mUpdateLeftSelectionPosition : 1; ///< True if the visual position of the left selection handle must be recalculated.
163 bool mUpdateRightSelectionPosition : 1; ///< True if the visual position of the right selection handle must be recalculated.
164 bool mIsLeftHandleSelected : 1; ///< Whether is the left handle the one which is selected.
165 bool mIsRightHandleSelected : 1; ///< Whether is the right handle the one which is selected.
166 bool mUpdateHighlightBox : 1; ///< True if the text selection high light box must be updated.
167 bool mScrollAfterUpdatePosition : 1; ///< Whether to scroll after the cursor position is updated.
168 bool mScrollAfterDelete : 1; ///< Whether to scroll after delete characters.
169 bool mAllTextSelected : 1; ///< True if the selection handles are selecting all the text.
170 bool mUpdateInputStyle : 1; ///< Whether to update the input style after moving the cursor.
171 bool mPasswordInput : 1; ///< True if password input is enabled.
172 bool mCheckScrollAmount : 1; ///< Whether to check scrolled amount after updating the position
173 bool mIsPlaceholderPixelSize : 1; ///< True if the placeholder font size is set as pixel size.
174 bool mIsPlaceholderElideEnabled : 1; ///< True if the placeholder text's elide is enabled.
175 bool mPlaceholderEllipsisFlag : 1; ///< True if the text controller sets the placeholder ellipsis.
176 bool mShiftSelectionFlag : 1; ///< True if the text selection using Shift key is enabled.
177 bool mUpdateAlignment : 1; ///< True if the whole text needs to be full aligned..
178 bool mEditingEnabled : 1; ///< True if the editing is enabled, false otherwise.
185 TEXT_REPLACED, ///< The entire text was replaced
186 TEXT_INSERTED, ///< Insert characters at the current cursor position
187 TEXT_DELETED ///< Characters were deleted
196 : mFontDescription(),
197 mDefaultPointSize( 0.f ),
198 mFitPointSize( 0.f ),
200 familyDefined( false ),
201 weightDefined( false ),
202 widthDefined( false ),
203 slantDefined( false ),
206 // Initially use the default platform font
207 TextAbstraction::FontClient fontClient = TextAbstraction::FontClient::Get();
208 fontClient.GetDefaultPlatformFontDescription( mFontDescription );
211 FontId GetFontId( TextAbstraction::FontClient& fontClient )
215 const PointSize26Dot6 pointSize = static_cast<PointSize26Dot6>( mDefaultPointSize * 64.f );
216 mFontId = fontClient.GetFontId( mFontDescription, pointSize );
222 TextAbstraction::FontDescription mFontDescription; ///< The default font's description.
223 float mDefaultPointSize; ///< The default font's point size.
224 float mFitPointSize; ///< The fit font's point size.
225 FontId mFontId; ///< The font's id of the default font.
226 bool familyDefined:1; ///< Whether the default font's family name is defined.
227 bool weightDefined:1; ///< Whether the default font's weight is defined.
228 bool widthDefined:1; ///< Whether the default font's width is defined.
229 bool slantDefined:1; ///< Whether the default font's slant is defined.
230 bool sizeDefined:1; ///< Whether the default font's point size is defined.
234 * @brief Stores indices used to update the text.
235 * Stores the character index where the text is updated and the number of characters removed and added.
236 * Stores as well indices to the first and the last paragraphs to be updated.
238 struct TextUpdateInfo
241 : mCharacterIndex( 0u ),
242 mNumberOfCharactersToRemove( 0u ),
243 mNumberOfCharactersToAdd( 0u ),
244 mPreviousNumberOfCharacters( 0u ),
245 mParagraphCharacterIndex( 0u ),
246 mRequestedNumberOfCharacters( 0u ),
247 mStartGlyphIndex( 0u ),
248 mStartLineIndex( 0u ),
249 mEstimatedNumberOfLines( 0u ),
251 mFullRelayoutNeeded( true ),
252 mIsLastCharacterNewParagraph( false )
258 CharacterIndex mCharacterIndex; ///< Index to the first character to be updated.
259 Length mNumberOfCharactersToRemove; ///< The number of characters to be removed.
260 Length mNumberOfCharactersToAdd; ///< The number of characters to be added.
261 Length mPreviousNumberOfCharacters; ///< The number of characters before the text update.
263 CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated.
264 Length mRequestedNumberOfCharacters; ///< The requested number of characters.
265 GlyphIndex mStartGlyphIndex;
266 LineIndex mStartLineIndex;
267 Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting.
269 bool mClearAll:1; ///< Whether the whole text is cleared. i.e. when the text is reset.
270 bool mFullRelayoutNeeded:1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control.
271 bool mIsLastCharacterNewParagraph:1; ///< Whether the last character is a new paragraph character.
275 // Clear all info except the mPreviousNumberOfCharacters member.
276 mCharacterIndex = static_cast<CharacterIndex>( -1 );
277 mNumberOfCharactersToRemove = 0u;
278 mNumberOfCharactersToAdd = 0u;
279 mParagraphCharacterIndex = 0u;
280 mRequestedNumberOfCharacters = 0u;
281 mStartGlyphIndex = 0u;
282 mStartLineIndex = 0u;
283 mEstimatedNumberOfLines = 0u;
285 mFullRelayoutNeeded = false;
286 mIsLastCharacterNewParagraph = false;
290 struct UnderlineDefaults
292 std::string properties;
293 // TODO: complete with underline parameters.
296 struct ShadowDefaults
298 std::string properties;
299 // TODO: complete with shadow parameters.
302 struct EmbossDefaults
304 std::string properties;
305 // TODO: complete with emboss parameters.
308 struct OutlineDefaults
310 std::string properties;
311 // TODO: complete with outline parameters.
314 struct Controller::Impl
316 Impl( ControlInterface* controlInterface,
317 EditableControlInterface* editableControlInterface,
318 SelectableControlInterface* selectableControlInterface )
319 : mControlInterface( controlInterface ),
320 mEditableControlInterface( editableControlInterface ),
321 mSelectableControlInterface( selectableControlInterface ),
323 mFontDefaults( NULL ),
324 mUnderlineDefaults( NULL ),
325 mShadowDefaults( NULL ),
326 mEmbossDefaults( NULL ),
327 mOutlineDefaults( NULL ),
334 mTextColor( Color::BLACK ),
336 mOperationsPending( NO_OPERATION ),
337 mMaximumNumberOfCharacters( 50u ),
338 mHiddenInput( NULL ),
339 mRecalculateNaturalSize( true ),
340 mMarkupProcessorEnabled( false ),
341 mClipboardHideEnabled( true ),
342 mIsAutoScrollEnabled( false ),
343 mUpdateTextDirection( true ),
344 mIsTextDirectionRTL( false ),
345 mUnderlineSetByString( false ),
346 mShadowSetByString( false ),
347 mOutlineSetByString( false ),
348 mFontStyleSetByString( false ),
349 mShouldClearFocusOnEscape( true ),
350 mLayoutDirection( LayoutDirection::LEFT_TO_RIGHT ),
351 mTextFitMinSize( DEFAULT_TEXTFIT_MIN ),
352 mTextFitMaxSize( DEFAULT_TEXTFIT_MAX ),
353 mTextFitStepSize( DEFAULT_TEXTFIT_STEP ),
354 mTextFitEnabled( false )
356 mModel = Model::New();
358 mFontClient = TextAbstraction::FontClient::Get();
359 mClipboard = Clipboard::Get();
361 mView.SetVisualModel( mModel->mVisualModel );
363 // Use this to access FontClient i.e. to get down-scaled Emoji metrics.
364 mMetrics = Metrics::New( mFontClient );
365 mLayoutEngine.SetMetrics( mMetrics );
367 // Set the text properties to default
368 mModel->mVisualModel->SetUnderlineEnabled( false );
369 mModel->mVisualModel->SetUnderlineHeight( 0.0f );
371 Toolkit::StyleManager styleManager = Toolkit::StyleManager::Get();
375 Property::Map config = Toolkit::DevelStyleManager::GetConfigurations( styleManager );
376 if( config["clearFocusOnEscape"].Get( temp ) )
378 mShouldClearFocusOnEscape = temp;
387 delete mFontDefaults;
388 delete mUnderlineDefaults;
389 delete mShadowDefaults;
390 delete mEmbossDefaults;
391 delete mOutlineDefaults;
395 // Text Controller Implementation.
398 * @copydoc Text::Controller::RequestRelayout()
400 void RequestRelayout();
403 * @brief Request a relayout using the ControlInterface.
405 void QueueModifyEvent( ModifyEvent::Type type )
407 if( ModifyEvent::TEXT_REPLACED == type)
409 // Cancel previously queued inserts etc.
410 mModifyEvents.Clear();
415 mModifyEvents.PushBack( event );
417 // The event will be processed during relayout
422 * @brief Helper to move the cursor, grab handle etc.
424 bool ProcessInputEvents();
427 * @brief Helper to check whether any place-holder text is available.
429 bool IsPlaceholderAvailable() const
431 return ( mEventData &&
432 ( !mEventData->mPlaceholderTextInactive.empty() ||
433 !mEventData->mPlaceholderTextActive.empty() )
437 bool IsShowingPlaceholderText() const
439 return ( mEventData && mEventData->mIsShowingPlaceholderText );
443 * @brief Helper to check whether active place-holder text is available.
445 bool IsFocusedPlaceholderAvailable() const
447 return ( mEventData && !mEventData->mPlaceholderTextActive.empty() );
450 bool IsShowingRealText() const
452 return ( !IsShowingPlaceholderText() &&
453 0u != mModel->mLogicalModel->mText.Count() );
457 * @brief Called when placeholder-text is hidden
459 void PlaceholderCleared()
463 mEventData->mIsShowingPlaceholderText = false;
465 // Remove mPlaceholderTextColor
466 mModel->mVisualModel->SetTextColor( mTextColor );
470 void ClearPreEditFlag()
474 mEventData->mPreEditFlag = false;
475 mEventData->mPreEditStartPosition = 0;
476 mEventData->mPreEditLength = 0;
480 void ResetInputMethodContext()
484 // Reset incase we are in a pre-edit state.
485 if( mEventData->mInputMethodContext )
487 mEventData->mInputMethodContext.Reset(); // Will trigger a message ( commit, get surrounding )
495 * @brief Helper to notify InputMethodContext with surrounding text & cursor changes.
497 void NotifyInputMethodContext();
500 * @brief Helper to notify InputMethodContext with multi line status.
502 void NotifyInputMethodContextMultiLineStatus();
505 * @brief Retrieve the current cursor position.
507 * @return The cursor position.
509 CharacterIndex GetLogicalCursorPosition() const;
512 * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
514 * @param[in] index The character index from where to count the number of consecutive white spaces.
516 * @return The number of consecutive white spaces.
518 Length GetNumberOfWhiteSpaces( CharacterIndex index ) const;
521 * @brief Retrieve any text previously set starting from the given @p index.
523 * @param[in] index The character index from where to retrieve the text.
524 * @param[out] text A string of UTF-8 characters.
526 * @see Dali::Toolkit::Text::Controller::GetText()
528 void GetText( CharacterIndex index, std::string& text ) const;
530 bool IsClipboardEmpty()
532 bool result( mClipboard && mClipboard.NumberOfItems() );
533 return !result; // If NumberOfItems greater than 0, return false
536 bool IsClipboardVisible()
538 bool result( mClipboard && mClipboard.IsVisible() );
543 * @brief Calculates the start character index of the first paragraph to be updated and
544 * the end character index of the last paragraph to be updated.
546 * @param[out] numberOfCharacters The number of characters to be updated.
548 void CalculateTextUpdateIndices( Length& numberOfCharacters );
551 * @brief Helper to clear completely the parts of the model specified by the given @p operations.
553 * @note It never clears the text stored in utf32.
555 void ClearFullModelData( OperationsMask operations );
558 * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations.
560 * @note It never clears the text stored in utf32.
562 * @param[in] startIndex Index to the first character to be cleared.
563 * @param[in] endIndex Index to the last character to be cleared.
564 * @param[in] operations The operations required.
566 void ClearCharacterModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
569 * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations.
571 * @note It never clears the text stored in utf32.
572 * @note Character indices are transformed to glyph indices.
574 * @param[in] startIndex Index to the first character to be cleared.
575 * @param[in] endIndex Index to the last character to be cleared.
576 * @param[in] operations The operations required.
578 void ClearGlyphModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
581 * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex.
583 * @note It never clears the text stored in utf32.
585 * @param[in] startIndex Index to the first character to be cleared.
586 * @param[in] endIndex Index to the last character to be cleared.
587 * @param[in] operations The operations required.
589 void ClearModelData( CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations );
592 * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes.
594 * When text or style changes the model is set with some operations pending.
595 * When i.e. the text's size or a relayout is required this method is called
596 * with a given @p operationsRequired parameter. The operations required are
597 * matched with the operations pending to perform the minimum number of operations.
599 * @param[in] operationsRequired The operations required.
601 * @return @e true if the model has been modified.
603 bool UpdateModel( OperationsMask operationsRequired );
606 * @brief Retreieves the default style.
608 * @param[out] inputStyle The default style.
610 void RetrieveDefaultInputStyle( InputStyle& inputStyle );
613 * @brief Retrieve the line height of the default font.
615 float GetDefaultFontLineHeight();
617 void OnCursorKeyEvent( const Event& event );
619 void OnTapEvent( const Event& event );
621 void OnPanEvent( const Event& event );
623 void OnLongPressEvent( const Event& event );
625 void OnHandleEvent( const Event& event );
627 void OnSelectEvent( const Event& event );
629 void OnSelectAllEvent();
631 void OnSelectNoneEvent();
634 * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
636 void SetTextSelectionRange(const uint32_t *pStart, const uint32_t *pEndf);
639 * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
641 Uint32Pair GetTextSelectionRange() const;
644 * @copydoc Text::EditableControlInterface::IsEditable()
646 bool IsEditable() const;
649 * @copydoc Text::EditableControlInterface::SetEditable()
651 void SetEditable( bool editable );
654 * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
656 * @param[out] selectedText The selected text encoded in utf8.
657 * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
659 void RetrieveSelection( std::string& selectedText, bool deleteAfterRetrieval );
661 void ShowClipboard();
663 void HideClipboard();
665 void SetClipboardHideEnable(bool enable);
667 bool CopyStringToClipboard( std::string& source );
669 void SendSelectionToClipboard( bool deleteAfterSending );
671 void RequestGetTextFromClipboard();
673 void RepositionSelectionHandles();
674 void RepositionSelectionHandles( float visualX, float visualY, Controller::NoTextTap::Action action );
676 void SetPopupButtons();
678 void ChangeState( EventData::State newState );
681 * @brief Calculates the cursor's position for a given character index in the logical order.
683 * It retrieves as well the line's height and the cursor's height and
684 * if there is a valid alternative cursor, its position and height.
686 * @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.
687 * @param[out] cursorInfo The line's height, the cursor's height, the cursor's position and whether there is an alternative cursor.
689 void GetCursorPosition( CharacterIndex logical,
690 CursorInfo& cursorInfo );
693 * @brief Calculates the new cursor index.
695 * It takes into account that in some scripts multiple characters can form a glyph and all of them
696 * need to be jumped with one key event.
698 * @param[in] index The initial new index.
700 * @return The new cursor index.
702 CharacterIndex CalculateNewCursorIndex( CharacterIndex index ) const;
705 * @brief Updates the cursor position.
707 * Sets the cursor's position into the decorator. It transforms the cursor's position into decorator's coords.
708 * It sets the position of the secondary cursor if it's a valid one.
709 * Sets which cursors are active.
711 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
714 void UpdateCursorPosition( const CursorInfo& cursorInfo );
717 * @brief Updates the position of the given selection handle. It transforms the handle's position into decorator's coords.
719 * @param[in] handleType One of the selection handles.
720 * @param[in] cursorInfo Contains the selection handle position in Actor's coords.
722 void UpdateSelectionHandle( HandleType handleType,
723 const CursorInfo& cursorInfo );
726 * @biref Clamps the horizontal scrolling to get the control always filled with text.
728 * @param[in] layoutSize The size of the laid out text.
730 void ClampHorizontalScroll( const Vector2& layoutSize );
733 * @biref Clamps the vertical scrolling to get the control always filled with text.
735 * @param[in] layoutSize The size of the laid out text.
737 void ClampVerticalScroll( const Vector2& layoutSize );
740 * @brief Scrolls the text to make a position visible.
742 * @pre mEventData must not be NULL. (there is a text-input or selection capabilities).
744 * @param[in] position A position in text coords.
745 * @param[in] lineHeight The line height for the given position.
747 * This method is called after inserting text, moving the cursor with the grab handle or the keypad,
748 * or moving the selection handles.
750 void ScrollToMakePositionVisible( const Vector2& position, float lineHeight );
753 * @brief Scrolls the text to make the cursor visible.
755 * This method is called after deleting text.
757 void ScrollTextToMatchCursor( const CursorInfo& cursorInfo );
760 * @brief Create an actor that renders the text background color
762 * @return the created actor or an empty handle if no background color needs to be rendered.
764 Actor CreateBackgroundActor();
769 * @brief Gets implementation from the controller handle.
770 * @param controller The text controller
771 * @return The implementation of the Controller
773 static Impl& GetImplementation( Text::Controller& controller )
775 return *controller.mImpl;
779 // Declared private and left undefined to avoid copies.
781 // Declared private and left undefined to avoid copies.
782 Impl& operator=( const Impl& );
786 ControlInterface* mControlInterface; ///< Reference to the text controller.
787 EditableControlInterface* mEditableControlInterface; ///< Reference to the editable text controller.
788 SelectableControlInterface* mSelectableControlInterface; ///< Reference to the selectable text controller.
789 ModelPtr mModel; ///< Pointer to the text's model.
790 FontDefaults* mFontDefaults; ///< Avoid allocating this when the user does not specify a font.
791 UnderlineDefaults* mUnderlineDefaults; ///< Avoid allocating this when the user does not specify underline parameters.
792 ShadowDefaults* mShadowDefaults; ///< Avoid allocating this when the user does not specify shadow parameters.
793 EmbossDefaults* mEmbossDefaults; ///< Avoid allocating this when the user does not specify emboss parameters.
794 OutlineDefaults* mOutlineDefaults; ///< Avoid allocating this when the user does not specify outline parameters.
795 EventData* mEventData; ///< Avoid allocating everything for text input until EnableTextInput().
796 TextAbstraction::FontClient mFontClient; ///< Handle to the font client.
797 Clipboard mClipboard; ///< Handle to the system clipboard
798 View mView; ///< The view interface to the rendering back-end.
799 MetricsPtr mMetrics; ///< A wrapper around FontClient used to get metrics & potentially down-scaled Emoji metrics.
800 Layout::Engine mLayoutEngine; ///< The layout engine.
801 Vector<ModifyEvent> mModifyEvents; ///< Temporary stores the text set until the next relayout.
802 Vector4 mTextColor; ///< The regular text color
803 TextUpdateInfo mTextUpdateInfo; ///< Info of the characters updated.
804 OperationsMask mOperationsPending; ///< Operations pending to be done to layout the text.
805 Length mMaximumNumberOfCharacters; ///< Maximum number of characters that can be inserted.
806 HiddenText* mHiddenInput; ///< Avoid allocating this when the user does not specify hidden input mode.
807 Vector2 mTextFitContentSize; ///< Size of Text fit content
809 bool mRecalculateNaturalSize:1; ///< Whether the natural size needs to be recalculated.
810 bool mMarkupProcessorEnabled:1; ///< Whether the mark-up procesor is enabled.
811 bool mClipboardHideEnabled:1; ///< Whether the ClipboardHide function work or not
812 bool mIsAutoScrollEnabled:1; ///< Whether auto text scrolling is enabled.
813 bool mUpdateTextDirection:1; ///< Whether the text direction needs to be updated.
814 CharacterDirection mIsTextDirectionRTL:1; ///< Whether the text direction is right to left or not
816 bool mUnderlineSetByString:1; ///< Set when underline is set by string (legacy) instead of map
817 bool mShadowSetByString:1; ///< Set when shadow is set by string (legacy) instead of map
818 bool mOutlineSetByString:1; ///< Set when outline is set by string (legacy) instead of map
819 bool mFontStyleSetByString:1; ///< Set when font style is set by string (legacy) instead of map
820 bool mShouldClearFocusOnEscape:1; ///< Whether text control should clear key input focus
821 LayoutDirection::Type mLayoutDirection; ///< Current system language direction
823 Shader mShaderBackground; ///< The shader for text background.
825 float mTextFitMinSize; ///< Minimum Font Size for text fit. Default 10
826 float mTextFitMaxSize; ///< Maximum Font Size for text fit. Default 100
827 float mTextFitStepSize; ///< Step Size for font intervalse. Default 1
828 bool mTextFitEnabled : 1; ///< Whether the text's fit is enabled.
831 friend ControllerImplEventHandler;
836 } // namespace Toolkit
840 #endif // DALI_TOOLKIT_TEXT_CONTROLLER_H