1 #ifndef DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
2 #define DALI_TOOLKIT_TEXT_CONTROLLER_IMPL_H
5 * Copyright (c) 2021 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/devel-api/styling/style-manager-devel.h>
28 #include <dali-toolkit/internal/text/input-style.h>
29 #include <dali-toolkit/internal/text/text-controller.h>
30 #include <dali-toolkit/internal/text/text-model.h>
31 #include <dali-toolkit/internal/text/text-view.h>
32 #include <dali-toolkit/public-api/styling/style-manager.h>
40 const float DEFAULT_TEXTFIT_MIN = 10.f;
41 const float DEFAULT_TEXTFIT_MAX = 100.f;
42 const float DEFAULT_TEXTFIT_STEP = 1.f;
43 const float DEFAULT_FONT_SIZE_SCALE = 1.f;
45 //Forward declarations
48 struct ControllerImplEventHandler;
49 struct SelectionHandleController;
51 class SelectableControlInterface;
55 // Used to queue input events until DoRelayout()
63 LEFT_SELECTION_HANDLE_EVENT,
64 RIGHT_SELECTION_HANDLE_EVENT,
101 EDITING_WITH_GRAB_HANDLE,
102 EDITING_WITH_PASTE_POPUP,
104 SELECTION_HANDLE_PANNING,
108 EventData(DecoratorPtr decorator, InputMethodContext& inputMethodContext);
110 ~EventData() = default;
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),
197 familyDefined(false),
198 weightDefined(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, float fontPointSize)
212 const PointSize26Dot6 pointSize = static_cast<PointSize26Dot6>(fontPointSize * 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),
246 mEstimatedNumberOfLines(0u),
248 mFullRelayoutNeeded(true),
249 mIsLastCharacterNewParagraph(false)
257 CharacterIndex mCharacterIndex; ///< Index to the first character to be updated.
258 Length mNumberOfCharactersToRemove; ///< The number of characters to be removed.
259 Length mNumberOfCharactersToAdd; ///< The number of characters to be added.
260 Length mPreviousNumberOfCharacters; ///< The number of characters before the text update.
262 CharacterIndex mParagraphCharacterIndex; ///< Index of the first character of the first paragraph to be updated.
263 Length mRequestedNumberOfCharacters; ///< The requested number of characters.
264 GlyphIndex mStartGlyphIndex;
265 LineIndex mStartLineIndex;
266 Length mEstimatedNumberOfLines; ///< The estimated number of lines. Used to avoid reallocations when layouting.
268 bool mClearAll : 1; ///< Whether the whole text is cleared. i.e. when the text is reset.
269 bool mFullRelayoutNeeded : 1; ///< Whether a full re-layout is needed. i.e. when a new size is set to the text control.
270 bool mIsLastCharacterNewParagraph : 1; ///< Whether the last character is a new paragraph character.
274 // Clear all info except the mPreviousNumberOfCharacters member.
275 mCharacterIndex = static_cast<CharacterIndex>(-1);
276 mNumberOfCharactersToRemove = 0u;
277 mNumberOfCharactersToAdd = 0u;
278 mParagraphCharacterIndex = 0u;
279 mRequestedNumberOfCharacters = 0u;
280 mStartGlyphIndex = 0u;
281 mStartLineIndex = 0u;
282 mEstimatedNumberOfLines = 0u;
284 mFullRelayoutNeeded = false;
285 mIsLastCharacterNewParagraph = false;
289 struct UnderlineDefaults
291 std::string properties;
292 // TODO: complete with underline parameters.
295 struct ShadowDefaults
297 std::string properties;
298 // TODO: complete with shadow parameters.
301 struct EmbossDefaults
303 std::string properties;
304 // TODO: complete with emboss parameters.
307 struct OutlineDefaults
309 std::string properties;
310 // TODO: complete with outline parameters.
313 struct Controller::Impl
315 Impl(ControlInterface* controlInterface,
316 EditableControlInterface* editableControlInterface,
317 SelectableControlInterface* selectableControlInterface)
318 : mControlInterface(controlInterface),
319 mEditableControlInterface(editableControlInterface),
320 mSelectableControlInterface(selectableControlInterface),
323 mUnderlineDefaults(NULL),
324 mShadowDefaults(NULL),
325 mEmbossDefaults(NULL),
326 mOutlineDefaults(NULL),
333 mTextColor(Color::BLACK),
335 mOperationsPending(NO_OPERATION),
336 mMaximumNumberOfCharacters(50u),
338 mRecalculateNaturalSize(true),
339 mMarkupProcessorEnabled(false),
340 mClipboardHideEnabled(true),
341 mIsAutoScrollEnabled(false),
342 mUpdateTextDirection(true),
343 mIsTextDirectionRTL(false),
344 mUnderlineSetByString(false),
345 mShadowSetByString(false),
346 mOutlineSetByString(false),
347 mFontStyleSetByString(false),
348 mShouldClearFocusOnEscape(true),
349 mLayoutDirection(LayoutDirection::LEFT_TO_RIGHT),
350 mTextFitMinSize(DEFAULT_TEXTFIT_MIN),
351 mTextFitMaxSize(DEFAULT_TEXTFIT_MAX),
352 mTextFitStepSize(DEFAULT_TEXTFIT_STEP),
353 mTextFitEnabled(false),
354 mFontSizeScale(DEFAULT_FONT_SIZE_SCALE)
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()));
436 bool IsShowingPlaceholderText() const
438 return (mEventData && mEventData->mIsShowingPlaceholderText);
442 * @brief Helper to check whether active place-holder text is available.
444 bool IsFocusedPlaceholderAvailable() const
446 return (mEventData && !mEventData->mPlaceholderTextActive.empty());
449 bool IsShowingRealText() const
451 return (!IsShowingPlaceholderText() &&
452 0u != mModel->mLogicalModel->mText.Count());
456 * @brief Called when placeholder-text is hidden
458 void PlaceholderCleared()
462 mEventData->mIsShowingPlaceholderText = false;
464 // Remove mPlaceholderTextColor
465 mModel->mVisualModel->SetTextColor(mTextColor);
469 void ClearPreEditFlag()
473 mEventData->mPreEditFlag = false;
474 mEventData->mPreEditStartPosition = 0;
475 mEventData->mPreEditLength = 0;
479 void ResetInputMethodContext()
483 // Reset incase we are in a pre-edit state.
484 if(mEventData->mInputMethodContext)
486 mEventData->mInputMethodContext.Reset(); // Will trigger a message ( commit, get surrounding )
494 * @brief Helper to notify InputMethodContext with surrounding text & cursor changes.
496 void NotifyInputMethodContext();
499 * @brief Helper to notify InputMethodContext with multi line status.
501 void NotifyInputMethodContextMultiLineStatus();
504 * @brief Retrieve the current cursor position.
506 * @return The cursor position.
508 CharacterIndex GetLogicalCursorPosition() const;
511 * @brief Retrieves the number of consecutive white spaces starting from the given @p index.
513 * @param[in] index The character index from where to count the number of consecutive white spaces.
515 * @return The number of consecutive white spaces.
517 Length GetNumberOfWhiteSpaces(CharacterIndex index) const;
520 * @brief Retrieve any text previously set starting from the given @p index.
522 * @param[in] index The character index from where to retrieve the text.
523 * @param[out] text A string of UTF-8 characters.
525 * @see Dali::Toolkit::Text::Controller::GetText()
527 void GetText(CharacterIndex index, std::string& text) const;
529 bool IsClipboardEmpty()
531 bool result(mClipboard && mClipboard.NumberOfItems());
532 return !result; // If NumberOfItems greater than 0, return false
535 bool IsClipboardVisible()
537 bool result(mClipboard && mClipboard.IsVisible());
542 * @brief Calculates the start character index of the first paragraph to be updated and
543 * the end character index of the last paragraph to be updated.
545 * @param[out] numberOfCharacters The number of characters to be updated.
547 void CalculateTextUpdateIndices(Length& numberOfCharacters);
550 * @brief Helper to clear completely the parts of the model specified by the given @p operations.
552 * @note It never clears the text stored in utf32.
554 void ClearFullModelData(OperationsMask operations);
557 * @brief Helper to clear completely the parts of the model related with the characters specified by the given @p operations.
559 * @note It never clears the text stored in utf32.
561 * @param[in] startIndex Index to the first character to be cleared.
562 * @param[in] endIndex Index to the last character to be cleared.
563 * @param[in] operations The operations required.
565 void ClearCharacterModelData(CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations);
568 * @brief Helper to clear completely the parts of the model related with the glyphs specified by the given @p operations.
570 * @note It never clears the text stored in utf32.
571 * @note Character indices are transformed to glyph indices.
573 * @param[in] startIndex Index to the first character to be cleared.
574 * @param[in] endIndex Index to the last character to be cleared.
575 * @param[in] operations The operations required.
577 void ClearGlyphModelData(CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations);
580 * @brief Helper to clear the parts of the model specified by the given @p operations and from @p startIndex to @p endIndex.
582 * @note It never clears the text stored in utf32.
584 * @param[in] startIndex Index to the first character to be cleared.
585 * @param[in] endIndex Index to the last character to be cleared.
586 * @param[in] operations The operations required.
588 void ClearModelData(CharacterIndex startIndex, CharacterIndex endIndex, OperationsMask operations);
591 * @brief Updates the logical and visual models. Updates the style runs in the visual model when the text's styles changes.
593 * When text or style changes the model is set with some operations pending.
594 * When i.e. the text's size or a relayout is required this method is called
595 * with a given @p operationsRequired parameter. The operations required are
596 * matched with the operations pending to perform the minimum number of operations.
598 * @param[in] operationsRequired The operations required.
600 * @return @e true if the model has been modified.
602 bool UpdateModel(OperationsMask operationsRequired);
605 * @brief Retreieves the default style.
607 * @param[out] inputStyle The default style.
609 void RetrieveDefaultInputStyle(InputStyle& inputStyle);
612 * @brief Retrieve the line height of the default font.
614 float GetDefaultFontLineHeight();
617 * @copydoc Text::Controller::GetPrimaryCursorPosition()
619 CharacterIndex GetPrimaryCursorPosition() const;
622 * @copydoc Text::Controller::SetPrimaryCursorPosition()
624 bool SetPrimaryCursorPosition(CharacterIndex index);
627 * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
629 void SetTextSelectionRange(const uint32_t* pStart, const uint32_t* pEndf);
632 * @copydoc Text::SelectableControlInterface::GetTextSelectionRange()
634 Uint32Pair GetTextSelectionRange() const;
637 * @copydoc Text::EditableControlInterface::IsEditable()
639 bool IsEditable() const;
642 * @copydoc Text::EditableControlInterface::SetEditable()
644 void SetEditable(bool editable);
647 * @brief Retrieves the selected text. It removes the text if the @p deleteAfterRetrieval parameter is @e true.
649 * @param[out] selectedText The selected text encoded in utf8.
650 * @param[in] deleteAfterRetrieval Whether the text should be deleted after retrieval.
652 void RetrieveSelection(std::string& selectedText, bool deleteAfterRetrieval);
654 void SetSelection(int start, int end);
656 std::pair<int, int> GetSelectionIndexes() const;
658 void ShowClipboard();
660 void HideClipboard();
662 void SetClipboardHideEnable(bool enable);
664 bool CopyStringToClipboard(const 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 Scrolls the text to make primary cursor visible.
759 void ScrollTextToMatchCursor();
762 * @brief Create an actor that renders the text background color
764 * @return the created actor or an empty handle if no background color needs to be rendered.
766 Actor CreateBackgroundActor();
770 * @brief Gets implementation from the controller handle.
771 * @param controller The text controller
772 * @return The implementation of the Controller
774 static Impl& GetImplementation(Text::Controller& controller)
776 return *controller.mImpl;
780 // Declared private and left undefined to avoid copies.
782 // Declared private and left undefined to avoid copies.
783 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.
829 float mFontSizeScale; ///< Scale value for Font Size. Default 1.0
832 friend ControllerImplEventHandler;
833 friend SelectionHandleController;
838 } // namespace Toolkit
842 #endif // DALI_TOOLKIT_TEXT_CONTROLLER_H