+++ /dev/null
-/*
- * Copyright (c) 2022 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// CLASS HEADER
-#include <dali-toolkit/internal/text/text-controller-text-updater.h>
-
-// EXTERNAL INCLUDES
-#include <dali/integration-api/debug.h>
-#include <memory.h>
-
-// INTERNAL INCLUDES
-#include <dali-toolkit/internal/text/character-set-conversion.h>
-#include <dali-toolkit/internal/text/markup-processor.h>
-#include <dali-toolkit/internal/text/text-controller-impl.h>
-#include <dali-toolkit/internal/text/text-controller-placeholder-handler.h>
-#include <dali-toolkit/internal/text/text-editable-control-interface.h>
-
-namespace
-{
-#if defined(DEBUG_ENABLED)
-Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
-#endif
-
-} // namespace
-
-namespace Dali
-{
-namespace Toolkit
-{
-namespace Text
-{
-void Controller::TextUpdater::SetText(Controller& controller, const std::string& text)
-{
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::SetText\n");
-
- Controller::Impl& impl = *controller.mImpl;
-
- // Reset keyboard as text changed
- impl.ResetInputMethodContext();
-
- // Remove the previously set text and style.
- ResetText(controller);
-
- // Remove the style.
- impl.ClearStyleData();
-
- CharacterIndex lastCursorIndex = 0u;
-
- EventData*& eventData = impl.mEventData;
-
- if(nullptr != eventData)
- {
- // If popup shown then hide it by switching to Editing state
- if((EventData::SELECTING == eventData->mState) ||
- (EventData::EDITING_WITH_POPUP == eventData->mState) ||
- (EventData::EDITING_WITH_GRAB_HANDLE == eventData->mState) ||
- (EventData::EDITING_WITH_PASTE_POPUP == eventData->mState))
- {
- if((impl.mSelectableControlInterface != nullptr) && (EventData::SELECTING == eventData->mState))
- {
- impl.mSelectableControlInterface->SelectionChanged(eventData->mLeftSelectionPosition, eventData->mRightSelectionPosition, eventData->mPrimaryCursorPosition, eventData->mPrimaryCursorPosition);
- }
-
- impl.ChangeState(EventData::EDITING);
- }
- }
-
- if(!text.empty())
- {
- ModelPtr& model = impl.mModel;
- LogicalModelPtr& logicalModel = model->mLogicalModel;
- model->mVisualModel->SetTextColor(impl.mTextColor);
-
- MarkupProcessData markupProcessData(logicalModel->mColorRuns,
- logicalModel->mFontDescriptionRuns,
- logicalModel->mEmbeddedItems,
- logicalModel->mAnchors,
- logicalModel->mUnderlinedCharacterRuns,
- logicalModel->mBackgroundColorRuns,
- logicalModel->mStrikethroughCharacterRuns);
-
- Length textSize = 0u;
- const uint8_t* utf8 = NULL;
- if(impl.mMarkupProcessorEnabled)
- {
- ProcessMarkupString(text, markupProcessData);
- textSize = markupProcessData.markupProcessedText.size();
-
- // This is a bit horrible but std::string returns a (signed) char*
- utf8 = reinterpret_cast<const uint8_t*>(markupProcessData.markupProcessedText.c_str());
- }
- else
- {
- textSize = text.size();
-
- // This is a bit horrible but std::string returns a (signed) char*
- utf8 = reinterpret_cast<const uint8_t*>(text.c_str());
- }
-
- // Convert text into UTF-32
- Vector<Character>& utf32Characters = logicalModel->mText;
- utf32Characters.Resize(textSize);
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- Length characterCount = Utf8ToUtf32(utf8, textSize, utf32Characters.Begin());
- utf32Characters.Resize(characterCount);
-
- DALI_ASSERT_DEBUG(textSize >= characterCount && "Invalid UTF32 conversion length");
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::SetText %p UTF8 size %d, UTF32 size %d\n", &controller, textSize, logicalModel->mText.Count());
-
- // The characters to be added.
- impl.mTextUpdateInfo.mNumberOfCharactersToAdd = logicalModel->mText.Count();
-
- // To reset the cursor position
- lastCursorIndex = characterCount;
-
- // Update the rest of the model during size negotiation
- impl.QueueModifyEvent(ModifyEvent::TEXT_REPLACED);
-
- // The natural size needs to be re-calculated.
- impl.mRecalculateNaturalSize = true;
-
- // The text direction needs to be updated.
- impl.mUpdateTextDirection = true;
-
- // Apply modifications to the model
- impl.mOperationsPending = ALL_OPERATIONS;
- }
- else
- {
- PlaceholderHandler::ShowPlaceholderText(impl);
- }
-
- unsigned int oldCursorPos = (nullptr != eventData ? eventData->mPrimaryCursorPosition : 0);
-
- // Resets the cursor position.
- controller.ResetCursorPosition(lastCursorIndex);
-
- // Scrolls the text to make the cursor visible.
- impl.ResetScrollPosition();
-
- impl.RequestRelayout();
-
- if(nullptr != eventData)
- {
- // Cancel previously queued events
- eventData->mEventQueue.clear();
- }
-
- // Do this last since it provides callbacks into application code.
- if(NULL != impl.mEditableControlInterface)
- {
- impl.mEditableControlInterface->CursorPositionChanged(oldCursorPos, lastCursorIndex);
- impl.mEditableControlInterface->TextChanged(true);
- }
-}
-
-void Controller::TextUpdater::InsertText(Controller& controller, const std::string& text, Controller::InsertType type)
-{
- Controller::Impl& impl = *controller.mImpl;
- EventData*& eventData = impl.mEventData;
-
- DALI_ASSERT_DEBUG(nullptr != eventData && "Unexpected InsertText")
-
- if(NULL == eventData)
- {
- return;
- }
-
- bool removedPrevious = false;
- bool removedSelected = false;
- bool maxLengthReached = false;
- unsigned int oldCursorPos = eventData->mPrimaryCursorPosition;
-
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::InsertText %p %s (%s) mPrimaryCursorPosition %d mPreEditFlag %d mPreEditStartPosition %d mPreEditLength %d\n", &controller, text.c_str(), (COMMIT == type ? "COMMIT" : "PRE_EDIT"), eventData->mPrimaryCursorPosition, eventData->mPreEditFlag, eventData->mPreEditStartPosition, eventData->mPreEditLength);
-
- ModelPtr& model = impl.mModel;
- LogicalModelPtr& logicalModel = model->mLogicalModel;
-
- // TODO: At the moment the underline runs are only for pre-edit.
- model->mVisualModel->mUnderlineRuns.Clear();
-
- // Remove the previous InputMethodContext pre-edit.
- if(eventData->mPreEditFlag && (0u != eventData->mPreEditLength))
- {
- removedPrevious = RemoveText(controller,
- -static_cast<int>(eventData->mPrimaryCursorPosition - eventData->mPreEditStartPosition),
- eventData->mPreEditLength,
- DONT_UPDATE_INPUT_STYLE);
-
- eventData->mPrimaryCursorPosition = eventData->mPreEditStartPosition;
- eventData->mPreEditLength = 0u;
- }
- else
- {
- // Remove the previous Selection.
- removedSelected = RemoveSelectedText(controller);
- }
-
- Vector<Character> utf32Characters;
- Length characterCount = 0u;
-
- if(!text.empty())
- {
- // Convert text into UTF-32
- utf32Characters.Resize(text.size());
-
- // This is a bit horrible but std::string returns a (signed) char*
- const uint8_t* utf8 = reinterpret_cast<const uint8_t*>(text.c_str());
-
- // Transform a text array encoded in utf8 into an array encoded in utf32.
- // It returns the actual number of characters.
- characterCount = Utf8ToUtf32(utf8, text.size(), utf32Characters.Begin());
- utf32Characters.Resize(characterCount);
-
- DALI_ASSERT_DEBUG(text.size() >= utf32Characters.Count() && "Invalid UTF32 conversion length");
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "UTF8 size %d, UTF32 size %d\n", text.size(), utf32Characters.Count());
- }
-
- if(0u != utf32Characters.Count()) // Check if Utf8ToUtf32 conversion succeeded
- {
- // The placeholder text is no longer needed
- if(impl.IsShowingPlaceholderText())
- {
- ResetText(controller);
- }
-
- impl.ChangeState(EventData::EDITING);
-
- // Handle the InputMethodContext (predicitive text) state changes
- if(COMMIT == type)
- {
- // InputMethodContext is no longer handling key-events
- impl.ClearPreEditFlag();
- }
- else // PRE_EDIT
- {
- if(!eventData->mPreEditFlag)
- {
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Entered PreEdit state\n");
-
- // Record the start of the pre-edit text
- eventData->mPreEditStartPosition = eventData->mPrimaryCursorPosition;
- }
-
- eventData->mPreEditLength = utf32Characters.Count();
- eventData->mPreEditFlag = true;
-
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "mPreEditStartPosition %d mPreEditLength %d\n", eventData->mPreEditStartPosition, eventData->mPreEditLength);
- }
-
- const Length numberOfCharactersInModel = logicalModel->mText.Count();
-
- // Restrict new text to fit within Maximum characters setting.
- Length temp_length = (impl.mMaximumNumberOfCharacters > numberOfCharactersInModel ? impl.mMaximumNumberOfCharacters - numberOfCharactersInModel : 0);
- Length maxSizeOfNewText = std::min(temp_length, characterCount);
- maxLengthReached = (characterCount > maxSizeOfNewText);
-
- // The cursor position.
- CharacterIndex& cursorIndex = eventData->mPrimaryCursorPosition;
-
- // Update the text's style.
-
- // Updates the text style runs by adding characters.
- logicalModel->UpdateTextStyleRuns(cursorIndex, maxSizeOfNewText);
-
- // Get the character index from the cursor index.
- const CharacterIndex styleIndex = (cursorIndex > 0u) ? cursorIndex - 1u : 0u;
-
- // Retrieve the text's style for the given index.
- InputStyle style;
- impl.RetrieveDefaultInputStyle(style);
- logicalModel->RetrieveStyle(styleIndex, style);
-
- InputStyle& inputStyle = eventData->mInputStyle;
-
- // Whether to add a new text color run.
- const bool addColorRun = (style.textColor != inputStyle.textColor) && !inputStyle.isDefaultColor;
-
- // Whether to add a new font run.
- const bool addFontNameRun = (style.familyName != inputStyle.familyName) && inputStyle.isFamilyDefined;
- const bool addFontWeightRun = (style.weight != inputStyle.weight) && inputStyle.isWeightDefined;
- const bool addFontWidthRun = (style.width != inputStyle.width) && inputStyle.isWidthDefined;
- const bool addFontSlantRun = (style.slant != inputStyle.slant) && inputStyle.isSlantDefined;
- const bool addFontSizeRun = (style.size != inputStyle.size) && inputStyle.isSizeDefined;
-
- // Add style runs.
- if(addColorRun)
- {
- const VectorBase::SizeType numberOfRuns = logicalModel->mColorRuns.Count();
- logicalModel->mColorRuns.Resize(numberOfRuns + 1u);
-
- ColorRun& colorRun = *(logicalModel->mColorRuns.Begin() + numberOfRuns);
- colorRun.color = inputStyle.textColor;
- colorRun.characterRun.characterIndex = cursorIndex;
- colorRun.characterRun.numberOfCharacters = maxSizeOfNewText;
- }
-
- if(addFontNameRun ||
- addFontWeightRun ||
- addFontWidthRun ||
- addFontSlantRun ||
- addFontSizeRun)
- {
- const VectorBase::SizeType numberOfRuns = logicalModel->mFontDescriptionRuns.Count();
- logicalModel->mFontDescriptionRuns.Resize(numberOfRuns + 1u);
-
- FontDescriptionRun& fontDescriptionRun = *(logicalModel->mFontDescriptionRuns.Begin() + numberOfRuns);
-
- if(addFontNameRun)
- {
- fontDescriptionRun.familyLength = inputStyle.familyName.size();
- fontDescriptionRun.familyName = new char[fontDescriptionRun.familyLength];
- memcpy(fontDescriptionRun.familyName, inputStyle.familyName.c_str(), fontDescriptionRun.familyLength);
- fontDescriptionRun.familyDefined = true;
-
- // The memory allocated for the font family name is freed when the font description is removed from the logical model.
- }
-
- if(addFontWeightRun)
- {
- fontDescriptionRun.weight = inputStyle.weight;
- fontDescriptionRun.weightDefined = true;
- }
-
- if(addFontWidthRun)
- {
- fontDescriptionRun.width = inputStyle.width;
- fontDescriptionRun.widthDefined = true;
- }
-
- if(addFontSlantRun)
- {
- fontDescriptionRun.slant = inputStyle.slant;
- fontDescriptionRun.slantDefined = true;
- }
-
- if(addFontSizeRun)
- {
- fontDescriptionRun.size = static_cast<PointSize26Dot6>(inputStyle.size * impl.GetFontSizeScale() * 64.f);
- fontDescriptionRun.sizeDefined = true;
- }
-
- fontDescriptionRun.characterRun.characterIndex = cursorIndex;
- fontDescriptionRun.characterRun.numberOfCharacters = maxSizeOfNewText;
- }
-
- // Insert at current cursor position.
- Vector<Character>& modifyText = logicalModel->mText;
-
- auto pos = modifyText.End();
- if(cursorIndex < numberOfCharactersInModel)
- {
- pos = modifyText.Begin() + cursorIndex;
- }
- unsigned int realPos = pos - modifyText.Begin();
- modifyText.Insert(pos, utf32Characters.Begin(), utf32Characters.Begin() + maxSizeOfNewText);
-
- if(NULL != impl.mEditableControlInterface)
- {
- impl.mEditableControlInterface->TextInserted(realPos, maxSizeOfNewText, text);
- }
-
- TextUpdateInfo& textUpdateInfo = impl.mTextUpdateInfo;
-
- // Mark the first paragraph to be updated.
- if(Layout::Engine::SINGLE_LINE_BOX == impl.mLayoutEngine.GetLayout())
- {
- textUpdateInfo.mCharacterIndex = 0;
- textUpdateInfo.mNumberOfCharactersToRemove = textUpdateInfo.mPreviousNumberOfCharacters;
- textUpdateInfo.mNumberOfCharactersToAdd = numberOfCharactersInModel + maxSizeOfNewText;
- textUpdateInfo.mClearAll = true;
- }
- else
- {
- textUpdateInfo.mCharacterIndex = std::min(cursorIndex, textUpdateInfo.mCharacterIndex);
- textUpdateInfo.mNumberOfCharactersToAdd += maxSizeOfNewText;
- }
-
- if(impl.mMarkupProcessorEnabled)
- {
- InsertTextAnchor(controller, maxSizeOfNewText, cursorIndex);
- }
-
- // Update the cursor index.
- cursorIndex += maxSizeOfNewText;
-
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Inserted %d characters, new size %d new cursor %d\n", maxSizeOfNewText, logicalModel->mText.Count(), eventData->mPrimaryCursorPosition);
- }
-
- if((0u == logicalModel->mText.Count()) &&
- impl.IsPlaceholderAvailable())
- {
- // Show place-holder if empty after removing the pre-edit text
- PlaceholderHandler::ShowPlaceholderText(impl);
- eventData->mUpdateCursorPosition = true;
- impl.ClearPreEditFlag();
- }
- else if(removedPrevious ||
- removedSelected ||
- (0 != utf32Characters.Count()))
- {
- // Queue an inserted event
- impl.QueueModifyEvent(ModifyEvent::TEXT_INSERTED);
-
- eventData->mUpdateCursorPosition = true;
- if(removedSelected)
- {
- eventData->mScrollAfterDelete = true;
- }
- else
- {
- eventData->mScrollAfterUpdatePosition = true;
- }
- }
-
- if(nullptr != impl.mEditableControlInterface)
- {
- impl.mEditableControlInterface->CursorPositionChanged(oldCursorPos, eventData->mPrimaryCursorPosition);
- }
-
- if(maxLengthReached)
- {
- DALI_LOG_INFO(gLogFilter, Debug::Verbose, "MaxLengthReached (%d)\n", logicalModel->mText.Count());
-
- impl.ResetInputMethodContext();
-
- if(NULL != impl.mEditableControlInterface)
- {
- // Do this last since it provides callbacks into application code
- impl.mEditableControlInterface->MaxLengthReached();
- }
- }
-}
-
-void Controller::TextUpdater::PasteText(Controller& controller, const std::string& stringToPaste)
-{
- InsertText(controller, stringToPaste, Text::Controller::COMMIT);
- Controller::Impl& impl = *controller.mImpl;
- impl.ChangeState(EventData::EDITING);
- impl.RequestRelayout();
-
- if(NULL != impl.mEditableControlInterface)
- {
- // Do this last since it provides callbacks into application code
- impl.mEditableControlInterface->TextChanged(true);
- }
-}
-
-bool Controller::TextUpdater::RemoveText(
- Controller& controller,
- int cursorOffset,
- int numberOfCharacters,
- UpdateInputStyleType type)
-{
- bool removed = false;
-
- Controller::Impl& impl = *controller.mImpl;
- EventData*& eventData = impl.mEventData;
-
- if(nullptr == eventData)
- {
- return removed;
- }
-
- ModelPtr& model = impl.mModel;
- LogicalModelPtr& logicalModel = model->mLogicalModel;
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "Controller::RemoveText %p mText.Count() %d cursor %d cursorOffset %d numberOfCharacters %d\n", &controller, logicalModel->mText.Count(), eventData->mPrimaryCursorPosition, cursorOffset, numberOfCharacters);
-
- if(!impl.IsShowingPlaceholderText())
- {
- // Delete at current cursor position
- Vector<Character>& currentText = logicalModel->mText;
- CharacterIndex& previousCursorIndex = eventData->mPrimaryCursorPosition;
-
- CharacterIndex cursorIndex = 0;
-
- // Validate the cursor position & number of characters
- if((static_cast<int>(eventData->mPrimaryCursorPosition) + cursorOffset) >= 0)
- {
- cursorIndex = eventData->mPrimaryCursorPosition + cursorOffset;
- }
-
- if((cursorIndex + numberOfCharacters) > currentText.Count())
- {
- numberOfCharacters = currentText.Count() - cursorIndex;
- }
-
- TextUpdateInfo& textUpdateInfo = impl.mTextUpdateInfo;
-
- if(eventData->mPreEditFlag || // If the preedit flag is enabled, it means two (or more) of them came together i.e. when two keys have been pressed at the same time.
- ((cursorIndex + numberOfCharacters) <= textUpdateInfo.mPreviousNumberOfCharacters))
- {
- // Mark the paragraphs to be updated.
- if(Layout::Engine::SINGLE_LINE_BOX == impl.mLayoutEngine.GetLayout())
- {
- textUpdateInfo.mCharacterIndex = 0;
- textUpdateInfo.mNumberOfCharactersToRemove = textUpdateInfo.mPreviousNumberOfCharacters;
- textUpdateInfo.mNumberOfCharactersToAdd = textUpdateInfo.mPreviousNumberOfCharacters - numberOfCharacters;
- textUpdateInfo.mClearAll = true;
- }
- else
- {
- textUpdateInfo.mCharacterIndex = std::min(cursorIndex, textUpdateInfo.mCharacterIndex);
- textUpdateInfo.mNumberOfCharactersToRemove += numberOfCharacters;
- }
-
- // Update the input style and remove the text's style before removing the text.
-
- if(UPDATE_INPUT_STYLE == type)
- {
- InputStyle& eventDataInputStyle = eventData->mInputStyle;
-
- // Keep a copy of the current input style.
- InputStyle currentInputStyle;
- currentInputStyle.Copy(eventDataInputStyle);
-
- // Set first the default input style.
- impl.RetrieveDefaultInputStyle(eventDataInputStyle);
-
- // Update the input style.
- logicalModel->RetrieveStyle(cursorIndex, eventDataInputStyle);
-
- // Compare if the input style has changed.
- const bool hasInputStyleChanged = !currentInputStyle.Equal(eventDataInputStyle);
-
- if(hasInputStyleChanged)
- {
- const InputStyle::Mask styleChangedMask = currentInputStyle.GetInputStyleChangeMask(eventDataInputStyle);
- // Queue the input style changed signal.
- eventData->mInputStyleChangedQueue.PushBack(styleChangedMask);
- }
- }
-
- // If the number of current text and the number of characters to be deleted are same,
- // it means all texts should be removed and all Preedit variables should be initialized.
- if((currentText.Count() - numberOfCharacters == 0) && (cursorIndex == 0))
- {
- impl.ClearPreEditFlag();
- textUpdateInfo.mNumberOfCharactersToAdd = 0;
- }
-
- // Updates the text style runs by removing characters. Runs with no characters are removed.
- logicalModel->UpdateTextStyleRuns(cursorIndex, -numberOfCharacters);
-
- // Remove the characters.
- Vector<Character>::Iterator first = currentText.Begin() + cursorIndex;
- Vector<Character>::Iterator last = first + numberOfCharacters;
-
- if(NULL != impl.mEditableControlInterface)
- {
- std::string utf8;
- Utf32ToUtf8(first, numberOfCharacters, utf8);
- impl.mEditableControlInterface->TextDeleted(cursorIndex, numberOfCharacters, utf8);
- }
-
- currentText.Erase(first, last);
-
- if(impl.mMarkupProcessorEnabled)
- {
- RemoveTextAnchor(controller, cursorOffset, numberOfCharacters, previousCursorIndex);
- }
-
- if(nullptr != impl.mEditableControlInterface)
- {
- impl.mEditableControlInterface->CursorPositionChanged(previousCursorIndex, cursorIndex);
- }
-
- // Cursor position retreat
- previousCursorIndex = cursorIndex;
-
- eventData->mScrollAfterDelete = true;
-
- if(EventData::INACTIVE == eventData->mState)
- {
- impl.ChangeState(EventData::EDITING);
- }
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "Controller::RemoveText %p removed %d\n", &controller, numberOfCharacters);
- removed = true;
- }
- }
-
- return removed;
-}
-
-bool Controller::TextUpdater::RemoveSelectedText(Controller& controller)
-{
- bool textRemoved(false);
-
- Controller::Impl& impl = *controller.mImpl;
-
- if(EventData::SELECTING == impl.mEventData->mState)
- {
- std::string removedString;
- uint32_t oldSelStart = impl.mEventData->mLeftSelectionPosition;
- uint32_t oldSelEnd = impl.mEventData->mRightSelectionPosition;
-
- impl.RetrieveSelection(removedString, true);
-
- if(!removedString.empty())
- {
- textRemoved = true;
- impl.ChangeState(EventData::EDITING);
-
- if(impl.mMarkupProcessorEnabled)
- {
- int cursorOffset = -1;
- int numberOfCharacters = removedString.length();
- CharacterIndex& cursorIndex = impl.mEventData->mPrimaryCursorPosition;
- CharacterIndex previousCursorIndex = cursorIndex + numberOfCharacters;
-
- RemoveTextAnchor(controller, cursorOffset, numberOfCharacters, previousCursorIndex);
- }
-
- if(impl.mSelectableControlInterface != nullptr)
- {
- impl.mSelectableControlInterface->SelectionChanged(oldSelStart, oldSelEnd, impl.mEventData->mPrimaryCursorPosition, impl.mEventData->mPrimaryCursorPosition);
- }
- }
- }
-
- return textRemoved;
-}
-
-void Controller::TextUpdater::ResetText(Controller& controller)
-{
- Controller::Impl& impl = *controller.mImpl;
- LogicalModelPtr& logicalModel = impl.mModel->mLogicalModel;
-
- // Reset buffers.
- logicalModel->mText.Clear();
-
- // Reset the embedded images buffer.
- logicalModel->ClearEmbeddedImages();
-
- // Reset the anchors buffer.
- logicalModel->ClearAnchors();
-
- // We have cleared everything including the placeholder-text
- impl.PlaceholderCleared();
-
- impl.mTextUpdateInfo.mCharacterIndex = 0u;
- impl.mTextUpdateInfo.mNumberOfCharactersToRemove = impl.mTextUpdateInfo.mPreviousNumberOfCharacters;
- impl.mTextUpdateInfo.mNumberOfCharactersToAdd = 0u;
-
- // Clear any previous text.
- impl.mTextUpdateInfo.mClearAll = true;
-
- // The natural size needs to be re-calculated.
- impl.mRecalculateNaturalSize = true;
-
- // The text direction needs to be updated.
- impl.mUpdateTextDirection = true;
-
- // Apply modifications to the model
- impl.mOperationsPending = ALL_OPERATIONS;
-}
-
-void Controller::TextUpdater::InsertTextAnchor(Controller& controller, int numberOfCharacters, CharacterIndex previousCursorIndex)
-{
- Controller::Impl& impl = *controller.mImpl;
- ModelPtr& model = impl.mModel;
- LogicalModelPtr& logicalModel = model->mLogicalModel;
-
- for(auto& anchor : logicalModel->mAnchors)
- {
- if(anchor.endIndex < previousCursorIndex) // [anchor] CUR
- {
- continue;
- }
- if(anchor.startIndex < previousCursorIndex) // [anCURr]
- {
- anchor.endIndex += numberOfCharacters;
- }
- else // CUR [anchor]
- {
- anchor.startIndex += numberOfCharacters;
- anchor.endIndex += numberOfCharacters;
- }
- DALI_LOG_INFO(gLogFilter, Debug::General, "Controller::InsertTextAnchor[%p] Anchor[%s] start[%d] end[%d]\n", &controller, anchor.href, anchor.startIndex, anchor.endIndex);
- }
-}
-
-void Controller::TextUpdater::RemoveTextAnchor(Controller& controller, int cursorOffset, int numberOfCharacters, CharacterIndex previousCursorIndex)
-{
- Controller::Impl& impl = *controller.mImpl;
- ModelPtr& model = impl.mModel;
- LogicalModelPtr& logicalModel = model->mLogicalModel;
- Vector<Anchor>::Iterator it = logicalModel->mAnchors.Begin();
-
- while(it != logicalModel->mAnchors.End())
- {
- Anchor& anchor = *it;
-
- if(anchor.endIndex <= previousCursorIndex && cursorOffset == 0) // [anchor] CUR >>
- {
- // Nothing happens.
- }
- else if(anchor.endIndex <= previousCursorIndex && cursorOffset == -1) // [anchor] << CUR
- {
- int endIndex = anchor.endIndex;
- int offset = previousCursorIndex - endIndex;
- int index = endIndex - (numberOfCharacters - offset);
-
- if(index < endIndex)
- {
- endIndex = index;
- }
-
- if((int)anchor.startIndex >= endIndex)
- {
- if(anchor.href)
- {
- delete[] anchor.href;
- }
- it = logicalModel->mAnchors.Erase(it);
- continue;
- }
- else
- {
- anchor.endIndex = endIndex;
- }
- }
- else if(anchor.startIndex >= previousCursorIndex && cursorOffset == -1) // << CUR [anchor]
- {
- anchor.startIndex -= numberOfCharacters;
- anchor.endIndex -= numberOfCharacters;
- }
- else if(anchor.startIndex >= previousCursorIndex && cursorOffset == 0) // CUR >> [anchor]
- {
- int startIndex = anchor.startIndex;
- int endIndex = anchor.endIndex;
- int index = previousCursorIndex + numberOfCharacters - 1;
-
- if(startIndex > index)
- {
- anchor.startIndex -= numberOfCharacters;
- anchor.endIndex -= numberOfCharacters;
- }
- else if(endIndex > index + 1)
- {
- anchor.endIndex -= numberOfCharacters;
- }
- else
- {
- if(anchor.href)
- {
- delete[] anchor.href;
- }
- it = logicalModel->mAnchors.Erase(it);
- continue;
- }
- }
- else if(cursorOffset == -1) // [<< CUR]
- {
- int startIndex = anchor.startIndex;
- int index = previousCursorIndex - numberOfCharacters;
-
- if(startIndex >= index)
- {
- anchor.startIndex = index;
- }
- anchor.endIndex -= numberOfCharacters;
- }
- else if(cursorOffset == 0) // [CUR >>]
- {
- anchor.endIndex -= numberOfCharacters;
- }
- else
- {
- // When this condition is reached, someting is wrong.
- DALI_LOG_ERROR("Controller::RemoveTextAnchor[%p] Invaild state cursorOffset[%d]\n", &controller, cursorOffset);
- }
-
- DALI_LOG_INFO(gLogFilter, Debug::General, "Controller::RemoveTextAnchor[%p] Anchor[%s] start[%d] end[%d]\n", &controller, anchor.href, anchor.startIndex, anchor.endIndex);
-
- it++;
- }
-}
-
-} // namespace Text
-
-} // namespace Toolkit
-
-} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff