2 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali-toolkit/internal/text/text-controller-event-handler.h>
22 #include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
23 #include <dali/devel-api/adaptor-framework/key-devel.h>
24 #include <dali/integration-api/debug.h>
27 #include <dali-toolkit/internal/text/cursor-helper-functions.h>
28 #include <dali-toolkit/internal/text/text-controller-impl.h>
29 #include <dali-toolkit/internal/text/text-editable-control-interface.h>
33 #if defined(DEBUG_ENABLED)
34 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
37 const std::string KEY_C_NAME = "c";
38 const std::string KEY_V_NAME = "v";
39 const std::string KEY_X_NAME = "x";
40 const std::string KEY_A_NAME = "a";
41 const std::string KEY_INSERT_NAME = "Insert";
51 void Controller::EventHandler::KeyboardFocusGainEvent(Controller& controller)
53 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected KeyboardFocusGainEvent");
55 if(NULL != controller.mImpl->mEventData)
57 if((EventData::INACTIVE == controller.mImpl->mEventData->mState) ||
58 (EventData::INTERRUPTED == controller.mImpl->mEventData->mState))
60 controller.mImpl->ChangeState(EventData::EDITING);
61 controller.mImpl->mEventData->mUpdateCursorPosition = true; //If editing started without tap event, cursor update must be triggered.
62 controller.mImpl->mEventData->mUpdateInputStyle = true;
63 controller.mImpl->mEventData->mScrollAfterUpdatePosition = true;
65 controller.mImpl->NotifyInputMethodContextMultiLineStatus();
66 if(controller.mImpl->IsShowingPlaceholderText())
68 // Show alternative placeholder-text when editing
69 controller.ShowPlaceholderText();
72 controller.mImpl->RequestRelayout();
76 void Controller::EventHandler::KeyboardFocusLostEvent(Controller& controller)
78 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected KeyboardFocusLostEvent");
80 if(NULL != controller.mImpl->mEventData)
82 if(EventData::INTERRUPTED != controller.mImpl->mEventData->mState)
84 controller.mImpl->ChangeState(EventData::INACTIVE);
86 if(!controller.mImpl->IsShowingRealText())
88 // Revert to regular placeholder-text when not editing
89 controller.ShowPlaceholderText();
93 controller.mImpl->RequestRelayout();
96 bool Controller::EventHandler::KeyEvent(Controller& controller, const Dali::KeyEvent& keyEvent)
98 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected KeyEvent");
100 bool textChanged = false;
101 bool relayoutNeeded = false;
103 if((NULL != controller.mImpl->mEventData) &&
104 (keyEvent.GetState() == KeyEvent::DOWN))
106 int keyCode = keyEvent.GetKeyCode();
107 const std::string& keyString = keyEvent.GetKeyString();
108 const std::string keyName = keyEvent.GetKeyName();
109 // Key will produce same logical-key value when ctrl
110 // is down, regardless of language layout
111 const std::string logicalKey = keyEvent.GetLogicalKey();
113 const bool isNullKey = (0 == keyCode) && (keyString.empty());
115 // Pre-process to separate modifying events from non-modifying input events.
118 // In some platforms arrive key events with no key code.
122 else if(Dali::DALI_KEY_ESCAPE == keyCode || Dali::DALI_KEY_BACK == keyCode || Dali::DALI_KEY_SEARCH == keyCode)
127 else if((Dali::DALI_KEY_CURSOR_LEFT == keyCode) ||
128 (Dali::DALI_KEY_CURSOR_RIGHT == keyCode) ||
129 (Dali::DALI_KEY_CURSOR_UP == keyCode) ||
130 (Dali::DALI_KEY_CURSOR_DOWN == keyCode))
132 // If don't have any text, do nothing.
133 if(!controller.mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters)
138 uint32_t cursorPosition = controller.mImpl->mEventData->mPrimaryCursorPosition;
139 uint32_t numberOfCharacters = controller.mImpl->mTextUpdateInfo.mPreviousNumberOfCharacters;
140 uint32_t cursorLine = controller.mImpl->mModel->mVisualModel->GetLineOfCharacter(cursorPosition);
141 uint32_t numberOfLines = controller.mImpl->mModel->GetNumberOfLines();
143 // Logic to determine whether this text control will lose focus or not.
144 if((Dali::DALI_KEY_CURSOR_LEFT == keyCode && 0 == cursorPosition && !keyEvent.IsShiftModifier()) ||
145 (Dali::DALI_KEY_CURSOR_RIGHT == keyCode && numberOfCharacters == cursorPosition && !keyEvent.IsShiftModifier()) ||
146 (Dali::DALI_KEY_CURSOR_DOWN == keyCode && cursorLine == numberOfLines - 1) ||
147 (Dali::DALI_KEY_CURSOR_DOWN == keyCode && numberOfCharacters == cursorPosition && cursorLine - 1 == numberOfLines - 1) ||
148 (Dali::DALI_KEY_CURSOR_UP == keyCode && cursorLine == 0) ||
149 (Dali::DALI_KEY_CURSOR_UP == keyCode && numberOfCharacters == cursorPosition && cursorLine == 1))
151 // Release the active highlight.
152 if(controller.mImpl->mEventData->mState == EventData::SELECTING)
154 controller.mImpl->ChangeState(EventData::EDITING);
156 // Update selection position.
157 controller.mImpl->mEventData->mLeftSelectionPosition = controller.mImpl->mEventData->mPrimaryCursorPosition;
158 controller.mImpl->mEventData->mRightSelectionPosition = controller.mImpl->mEventData->mPrimaryCursorPosition;
159 controller.mImpl->mEventData->mUpdateCursorPosition = true;
160 controller.mImpl->RequestRelayout();
165 controller.mImpl->mEventData->mCheckScrollAmount = true;
166 Event event(Event::CURSOR_KEY_EVENT);
167 event.p1.mInt = keyCode;
168 event.p2.mBool = keyEvent.IsShiftModifier();
169 controller.mImpl->mEventData->mEventQueue.push_back(event);
171 // Will request for relayout.
172 relayoutNeeded = true;
174 else if(Dali::DevelKey::DALI_KEY_CONTROL_LEFT == keyCode || Dali::DevelKey::DALI_KEY_CONTROL_RIGHT == keyCode)
176 // Left or Right Control key event is received before Ctrl-C/V/X key event is received
177 // If not handle it here, any selected text will be deleted
182 else if(keyEvent.IsCtrlModifier() && !keyEvent.IsShiftModifier())
184 bool consumed = false;
185 if(keyName == KEY_C_NAME || keyName == KEY_INSERT_NAME || logicalKey == KEY_C_NAME || logicalKey == KEY_INSERT_NAME)
187 // Ctrl-C or Ctrl+Insert to copy the selected text
188 controller.TextPopupButtonTouched(Toolkit::TextSelectionPopup::COPY);
191 else if(keyName == KEY_V_NAME || logicalKey == KEY_V_NAME)
193 // Ctrl-V to paste the copied text
194 controller.TextPopupButtonTouched(Toolkit::TextSelectionPopup::PASTE);
197 else if(keyName == KEY_X_NAME || logicalKey == KEY_X_NAME)
199 // Ctrl-X to cut the selected text
200 controller.TextPopupButtonTouched(Toolkit::TextSelectionPopup::CUT);
203 else if(keyName == KEY_A_NAME || logicalKey == KEY_A_NAME)
205 // Ctrl-A to select All the text
206 controller.TextPopupButtonTouched(Toolkit::TextSelectionPopup::SELECT_ALL);
211 else if((Dali::DALI_KEY_BACKSPACE == keyCode) ||
212 (Dali::DevelKey::DALI_KEY_DELETE == keyCode))
214 textChanged = controller.DeleteEvent(keyCode);
216 // Will request for relayout.
217 relayoutNeeded = true;
219 else if(IsKey(keyEvent, Dali::DALI_KEY_POWER) ||
220 IsKey(keyEvent, Dali::DALI_KEY_MENU) ||
221 IsKey(keyEvent, Dali::DALI_KEY_HOME))
223 // Power key/Menu/Home key behaviour does not allow edit mode to resume.
224 controller.mImpl->ChangeState(EventData::INACTIVE);
226 // Will request for relayout.
227 relayoutNeeded = true;
229 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
231 else if((Dali::DALI_KEY_SHIFT_LEFT == keyCode) || (Dali::DALI_KEY_SHIFT_RIGHT == keyCode))
233 // DALI_KEY_SHIFT_LEFT or DALI_KEY_SHIFT_RIGHT is the key code for Shift. It's sent (by the InputMethodContext?) when the predictive text is enabled
234 // and a character is typed after the type of a upper case latin character.
239 else if((Dali::DALI_KEY_VOLUME_UP == keyCode) || (Dali::DALI_KEY_VOLUME_DOWN == keyCode))
241 // This branch avoids calling the InsertText() method of the 'else' branch which can delete selected text.
247 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::KeyEvent %p keyString %s\n", &controller, keyString.c_str());
248 if(!controller.IsEditable()) return false;
250 if(!keyString.empty())
252 // InputMethodContext is no longer handling key-events
253 controller.mImpl->ClearPreEditFlag();
255 controller.InsertText(keyString, COMMIT);
259 // Will request for relayout.
260 relayoutNeeded = true;
264 if((controller.mImpl->mEventData->mState != EventData::INTERRUPTED) &&
265 (controller.mImpl->mEventData->mState != EventData::INACTIVE) &&
267 (Dali::DALI_KEY_SHIFT_LEFT != keyCode) &&
268 (Dali::DALI_KEY_SHIFT_RIGHT != keyCode) &&
269 (Dali::DALI_KEY_VOLUME_UP != keyCode) &&
270 (Dali::DALI_KEY_VOLUME_DOWN != keyCode))
272 // Should not change the state if the key is the shift send by the InputMethodContext.
273 // Otherwise, when the state is SELECTING the text controller can't send the right
274 // surrounding info to the InputMethodContext.
275 controller.mImpl->ChangeState(EventData::EDITING);
277 // Will request for relayout.
278 relayoutNeeded = true;
283 controller.mImpl->RequestRelayout();
288 (NULL != controller.mImpl->mEditableControlInterface))
290 // Do this last since it provides callbacks into application code
291 controller.mImpl->mEditableControlInterface->TextChanged(false);
297 void Controller::EventHandler::AnchorEvent(Controller& controller, float x, float y)
299 if(!controller.mImpl->mMarkupProcessorEnabled ||
300 !controller.mImpl->mModel->mLogicalModel->mAnchors.Count() ||
301 !controller.mImpl->IsShowingRealText())
306 CharacterIndex cursorPosition = 0u;
308 // Convert from control's coords to text's coords.
309 const float xPosition = x - controller.mImpl->mModel->mScrollPosition.x;
310 const float yPosition = y - controller.mImpl->mModel->mScrollPosition.y;
312 // Whether to touch point hits on a glyph.
313 bool matchedCharacter = false;
314 cursorPosition = Text::GetClosestCursorIndex(controller.mImpl->mModel->mVisualModel,
315 controller.mImpl->mModel->mLogicalModel,
316 controller.mImpl->mMetrics,
319 CharacterHitTest::TAP,
322 for(const auto& anchor : controller.mImpl->mModel->mLogicalModel->mAnchors)
324 // Anchor clicked if the calculated cursor position is within the range of anchor.
325 if(cursorPosition >= anchor.startIndex && cursorPosition < anchor.endIndex)
327 if(controller.mImpl->mAnchorControlInterface && anchor.href)
329 std::string href(anchor.href);
330 controller.mImpl->mAnchorControlInterface->AnchorClicked(href);
337 void Controller::EventHandler::TapEvent(Controller& controller, unsigned int tapCount, float x, float y)
339 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected TapEvent");
341 if(NULL != controller.mImpl->mEventData)
343 DALI_LOG_INFO(gLogFilter, Debug::Concise, "TapEvent state:%d \n", controller.mImpl->mEventData->mState);
344 EventData::State state(controller.mImpl->mEventData->mState);
345 bool relayoutNeeded(false); // to avoid unnecessary relayouts when tapping an empty text-field
347 if(controller.mImpl->IsClipboardVisible())
349 if(EventData::INACTIVE == state || EventData::EDITING == state)
351 controller.mImpl->ChangeState(EventData::EDITING_WITH_GRAB_HANDLE);
353 relayoutNeeded = true;
355 else if(1u == tapCount)
357 if(EventData::EDITING_WITH_POPUP == state || EventData::EDITING_WITH_PASTE_POPUP == state)
359 controller.mImpl->ChangeState(EventData::EDITING_WITH_GRAB_HANDLE); // If Popup shown hide it here so can be shown again if required.
362 if(controller.mImpl->IsShowingRealText() && (EventData::INACTIVE != state))
364 controller.mImpl->ChangeState(EventData::EDITING_WITH_GRAB_HANDLE);
365 relayoutNeeded = true;
369 if(controller.mImpl->IsShowingPlaceholderText() && !controller.mImpl->IsFocusedPlaceholderAvailable())
371 // Hide placeholder text
372 controller.ResetText();
375 if(EventData::INACTIVE == state)
377 controller.mImpl->ChangeState(EventData::EDITING);
379 else if(!controller.mImpl->IsClipboardEmpty())
381 controller.mImpl->ChangeState(EventData::EDITING_WITH_POPUP);
383 relayoutNeeded = true;
386 else if(2u == tapCount)
388 if(controller.mImpl->mEventData->mSelectionEnabled &&
389 controller.mImpl->IsShowingRealText())
391 relayoutNeeded = true;
392 controller.mImpl->mEventData->mIsLeftHandleSelected = true;
393 controller.mImpl->mEventData->mIsRightHandleSelected = true;
397 // Handles & cursors must be repositioned after Relayout() i.e. after the Model has been updated
400 Event event(Event::TAP_EVENT);
401 event.p1.mUint = tapCount;
404 controller.mImpl->mEventData->mEventQueue.push_back(event);
406 controller.mImpl->RequestRelayout();
410 // Reset keyboard as tap event has occurred.
411 controller.mImpl->ResetInputMethodContext();
414 void Controller::EventHandler::PanEvent(Controller& controller, GestureState state, const Vector2& displacement)
416 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected PanEvent");
418 if(NULL != controller.mImpl->mEventData)
420 Event event(Event::PAN_EVENT);
421 event.p1.mInt = static_cast<int>(state);
422 event.p2.mFloat = displacement.x;
423 event.p3.mFloat = displacement.y;
424 controller.mImpl->mEventData->mEventQueue.push_back(event);
426 controller.mImpl->RequestRelayout();
430 void Controller::EventHandler::LongPressEvent(Controller& controller, GestureState state, float x, float y)
432 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected LongPressEvent");
434 if((state == GestureState::STARTED) &&
435 (NULL != controller.mImpl->mEventData))
437 // The 1st long-press on inactive text-field is treated as tap
438 if(EventData::INACTIVE == controller.mImpl->mEventData->mState)
440 controller.mImpl->ChangeState(EventData::EDITING);
442 Event event(Event::TAP_EVENT);
446 controller.mImpl->mEventData->mEventQueue.push_back(event);
448 controller.mImpl->RequestRelayout();
450 else if(!controller.mImpl->IsShowingRealText())
452 Event event(Event::LONG_PRESS_EVENT);
453 event.p1.mInt = static_cast<int>(state);
456 controller.mImpl->mEventData->mEventQueue.push_back(event);
457 controller.mImpl->RequestRelayout();
459 else if(!controller.mImpl->IsClipboardVisible())
461 // Reset the InputMethodContext to commit the pre-edit before selecting the text.
462 controller.mImpl->ResetInputMethodContext();
464 Event event(Event::LONG_PRESS_EVENT);
465 event.p1.mInt = static_cast<int>(state);
468 controller.mImpl->mEventData->mEventQueue.push_back(event);
469 controller.mImpl->RequestRelayout();
471 controller.mImpl->mEventData->mIsLeftHandleSelected = true;
472 controller.mImpl->mEventData->mIsRightHandleSelected = true;
477 void Controller::EventHandler::SelectEvent(Controller& controller, float x, float y, SelectionType selectType)
479 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::SelectEvent\n");
481 if(NULL != controller.mImpl->mEventData)
483 if(selectType == SelectionType::ALL)
485 Event event(Event::SELECT_ALL);
486 controller.mImpl->mEventData->mEventQueue.push_back(event);
488 else if(selectType == SelectionType::NONE)
490 Event event(Event::SELECT_NONE);
491 controller.mImpl->mEventData->mEventQueue.push_back(event);
495 Event event(Event::SELECT);
498 controller.mImpl->mEventData->mEventQueue.push_back(event);
501 controller.mImpl->mEventData->mCheckScrollAmount = true;
502 controller.mImpl->mEventData->mIsLeftHandleSelected = true;
503 controller.mImpl->mEventData->mIsRightHandleSelected = true;
504 controller.mImpl->RequestRelayout();
508 void Controller::EventHandler::ProcessModifyEvents(Controller& controller)
510 Vector<ModifyEvent>& events = controller.mImpl->mModifyEvents;
512 if(0u == events.Count())
518 for(Vector<ModifyEvent>::ConstIterator it = events.Begin(),
519 endIt = events.End();
523 const ModifyEvent& event = *it;
525 if(ModifyEvent::TEXT_REPLACED == event.type)
527 // A (single) replace event should come first, otherwise we wasted time processing NOOP events
528 DALI_ASSERT_DEBUG(it == events.Begin() && "Unexpected TEXT_REPLACED event");
530 controller.TextReplacedEvent();
532 else if(ModifyEvent::TEXT_INSERTED == event.type)
534 controller.TextInsertedEvent();
536 else if(ModifyEvent::TEXT_DELETED == event.type)
538 // Placeholder-text cannot be deleted
539 if(!controller.mImpl->IsShowingPlaceholderText())
541 controller.TextDeletedEvent();
546 if(NULL != controller.mImpl->mEventData)
548 // When the text is being modified, delay cursor blinking
549 controller.mImpl->mEventData->mDecorator->DelayCursorBlink();
551 // Update selection position after modifying the text
552 controller.mImpl->mEventData->mLeftSelectionPosition = controller.mImpl->mEventData->mPrimaryCursorPosition;
553 controller.mImpl->mEventData->mRightSelectionPosition = controller.mImpl->mEventData->mPrimaryCursorPosition;
556 // DISCARD temporary text
560 void Controller::EventHandler::TextReplacedEvent(Controller& controller)
562 // The natural size needs to be re-calculated.
563 controller.mImpl->mRecalculateNaturalSize = true;
565 // The text direction needs to be updated.
566 controller.mImpl->mUpdateTextDirection = true;
568 // Apply modifications to the model
569 controller.mImpl->mOperationsPending = ALL_OPERATIONS;
572 void Controller::EventHandler::TextInsertedEvent(Controller& controller)
574 DALI_ASSERT_DEBUG(NULL != controller.mImpl->mEventData && "Unexpected TextInsertedEvent");
576 if(NULL == controller.mImpl->mEventData)
581 controller.mImpl->mEventData->mCheckScrollAmount = true;
583 // The natural size needs to be re-calculated.
584 controller.mImpl->mRecalculateNaturalSize = true;
586 // The text direction needs to be updated.
587 controller.mImpl->mUpdateTextDirection = true;
589 // Apply modifications to the model; TODO - Optimize this
590 controller.mImpl->mOperationsPending = ALL_OPERATIONS;
593 void Controller::EventHandler::TextDeletedEvent(Controller& controller)
595 DALI_ASSERT_DEBUG(NULL != controller.mImpl->mEventData && "Unexpected TextDeletedEvent");
597 if(NULL == controller.mImpl->mEventData)
602 if(!controller.IsEditable()) return;
604 controller.mImpl->mEventData->mCheckScrollAmount = true;
606 // The natural size needs to be re-calculated.
607 controller.mImpl->mRecalculateNaturalSize = true;
609 // The text direction needs to be updated.
610 controller.mImpl->mUpdateTextDirection = true;
612 // Apply modifications to the model; TODO - Optimize this
613 controller.mImpl->mOperationsPending = ALL_OPERATIONS;
616 bool Controller::EventHandler::DeleteEvent(Controller& controller, int keyCode)
618 DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Controller::KeyEvent %p KeyCode : %d \n", &controller, keyCode);
620 bool removed = false;
622 if(NULL == controller.mImpl->mEventData)
627 if(!controller.IsEditable()) return false;
629 // InputMethodContext is no longer handling key-events
630 controller.mImpl->ClearPreEditFlag();
632 if(EventData::SELECTING == controller.mImpl->mEventData->mState)
634 removed = controller.RemoveSelectedText();
636 else if((controller.mImpl->mEventData->mPrimaryCursorPosition > 0) && (keyCode == Dali::DALI_KEY_BACKSPACE))
638 // Remove the character before the current cursor position
639 removed = controller.RemoveText(-1,
643 else if((controller.mImpl->mEventData->mPrimaryCursorPosition < controller.mImpl->mModel->mLogicalModel->mText.Count()) &&
644 (keyCode == Dali::DevelKey::DALI_KEY_DELETE))
646 // Remove the character after the current cursor position
647 removed = controller.RemoveText(0,
654 if((0u != controller.mImpl->mModel->mLogicalModel->mText.Count()) ||
655 !controller.mImpl->IsPlaceholderAvailable())
657 controller.mImpl->QueueModifyEvent(ModifyEvent::TEXT_DELETED);
661 controller.ShowPlaceholderText();
663 controller.mImpl->mEventData->mUpdateCursorPosition = true;
664 controller.mImpl->mEventData->mScrollAfterDelete = true;
670 InputMethodContext::CallbackData Controller::EventHandler::OnInputMethodContextEvent(Controller& controller, InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent)
672 // Whether the text needs to be relaid-out.
673 bool requestRelayout = false;
675 // Whether to retrieve the text and cursor position to be sent to the InputMethodContext.
676 bool retrieveText = false;
677 bool retrieveCursor = false;
679 switch(inputMethodContextEvent.eventName)
681 case InputMethodContext::COMMIT:
683 controller.InsertText(inputMethodContextEvent.predictiveString, Text::Controller::COMMIT);
684 requestRelayout = true;
685 retrieveCursor = true;
688 case InputMethodContext::PRE_EDIT:
690 controller.InsertText(inputMethodContextEvent.predictiveString, Text::Controller::PRE_EDIT);
691 requestRelayout = true;
692 retrieveCursor = true;
695 case InputMethodContext::DELETE_SURROUNDING:
697 const bool textDeleted = controller.RemoveText(inputMethodContextEvent.cursorOffset,
698 inputMethodContextEvent.numberOfChars,
699 DONT_UPDATE_INPUT_STYLE);
703 if((0u != controller.mImpl->mModel->mLogicalModel->mText.Count()) ||
704 !controller.mImpl->IsPlaceholderAvailable())
706 controller.mImpl->QueueModifyEvent(ModifyEvent::TEXT_DELETED);
710 controller.ShowPlaceholderText();
712 controller.mImpl->mEventData->mUpdateCursorPosition = true;
713 controller.mImpl->mEventData->mScrollAfterDelete = true;
715 requestRelayout = true;
719 case InputMethodContext::GET_SURROUNDING:
722 retrieveCursor = true;
725 case InputMethodContext::PRIVATE_COMMAND:
727 // PRIVATECOMMAND event is just for getting the private command message
729 retrieveCursor = true;
732 case InputMethodContext::VOID:
741 controller.mImpl->mOperationsPending = ALL_OPERATIONS;
742 controller.mImpl->RequestRelayout();
746 CharacterIndex cursorPosition = 0u;
747 Length numberOfWhiteSpaces = 0u;
751 numberOfWhiteSpaces = controller.mImpl->GetNumberOfWhiteSpaces(0u);
753 cursorPosition = controller.mImpl->GetLogicalCursorPosition();
755 if(cursorPosition < numberOfWhiteSpaces)
761 cursorPosition -= numberOfWhiteSpaces;
767 if(!controller.mImpl->IsShowingPlaceholderText())
769 // Retrieves the normal text string.
770 controller.mImpl->GetText(numberOfWhiteSpaces, text);
774 // When the current text is Placeholder Text, the surrounding text should be empty string.
775 // It means DALi should send empty string ("") to IME.
780 InputMethodContext::CallbackData callbackData((retrieveText || retrieveCursor), cursorPosition, text, false);
782 if(requestRelayout &&
783 (NULL != controller.mImpl->mEditableControlInterface))
785 // Do this last since it provides callbacks into application code
786 controller.mImpl->mEditableControlInterface->TextChanged(false);
792 void Controller::EventHandler::PasteClipboardItemEvent(Controller& controller)
794 // Retrieve the clipboard contents first
795 ClipboardEventNotifier notifier(ClipboardEventNotifier::Get());
796 std::string stringToPaste(notifier.GetContent());
798 // Commit the current pre-edit text; the contents of the clipboard should be appended
799 controller.mImpl->ResetInputMethodContext();
801 // Temporary disable hiding clipboard
802 controller.mImpl->SetClipboardHideEnable(false);
805 controller.PasteText(stringToPaste);
807 controller.mImpl->SetClipboardHideEnable(true);
810 void Controller::EventHandler::DecorationEvent(Controller& controller, HandleType handleType, HandleState state, float x, float y)
812 DALI_ASSERT_DEBUG(controller.mImpl->mEventData && "Unexpected DecorationEvent");
814 if(NULL != controller.mImpl->mEventData)
820 Event event(Event::GRAB_HANDLE_EVENT);
821 event.p1.mUint = state;
825 controller.mImpl->mEventData->mEventQueue.push_back(event);
828 case LEFT_SELECTION_HANDLE:
830 Event event(Event::LEFT_SELECTION_HANDLE_EVENT);
831 event.p1.mUint = state;
835 controller.mImpl->mEventData->mEventQueue.push_back(event);
838 case RIGHT_SELECTION_HANDLE:
840 Event event(Event::RIGHT_SELECTION_HANDLE_EVENT);
841 event.p1.mUint = state;
845 controller.mImpl->mEventData->mEventQueue.push_back(event);
848 case LEFT_SELECTION_HANDLE_MARKER:
849 case RIGHT_SELECTION_HANDLE_MARKER:
851 // Markers do not move the handles.
854 case HANDLE_TYPE_COUNT:
856 DALI_ASSERT_DEBUG(!"Controller::HandleEvent. Unexpected handle type");
860 controller.mImpl->RequestRelayout();
864 void Controller::EventHandler::TextPopupButtonTouched(Controller& controller, Dali::Toolkit::TextSelectionPopup::Buttons button)
866 if(NULL == controller.mImpl->mEventData)
873 case Toolkit::TextSelectionPopup::CUT:
875 if(!controller.IsEditable()) return;
876 controller.mImpl->SendSelectionToClipboard(true); // Synchronous call to modify text
877 controller.mImpl->mOperationsPending = ALL_OPERATIONS;
879 if((0u != controller.mImpl->mModel->mLogicalModel->mText.Count()) ||
880 !controller.mImpl->IsPlaceholderAvailable())
882 controller.mImpl->QueueModifyEvent(ModifyEvent::TEXT_DELETED);
886 controller.ShowPlaceholderText();
889 controller.mImpl->mEventData->mUpdateCursorPosition = true;
890 controller.mImpl->mEventData->mScrollAfterDelete = true;
892 controller.mImpl->RequestRelayout();
894 if(NULL != controller.mImpl->mEditableControlInterface)
896 controller.mImpl->mEditableControlInterface->TextChanged(true);
900 case Toolkit::TextSelectionPopup::COPY:
902 controller.mImpl->SendSelectionToClipboard(false); // Text not modified
904 controller.mImpl->mEventData->mUpdateCursorPosition = true;
906 controller.mImpl->RequestRelayout(); // Cursor, Handles, Selection Highlight, Popup
909 case Toolkit::TextSelectionPopup::PASTE:
911 controller.mImpl->RequestGetTextFromClipboard(); // Request clipboard service to retrieve an item
914 case Toolkit::TextSelectionPopup::SELECT:
916 const Vector2& currentCursorPosition = controller.mImpl->mEventData->mDecorator->GetPosition(PRIMARY_CURSOR);
918 if(controller.mImpl->mEventData->mSelectionEnabled)
920 // Creates a SELECT event.
921 controller.SelectEvent(currentCursorPosition.x, currentCursorPosition.y, SelectionType::INTERACTIVE);
925 case Toolkit::TextSelectionPopup::SELECT_ALL:
927 // Creates a SELECT_ALL event
928 controller.SelectEvent(0.f, 0.f, SelectionType::ALL);
931 case Toolkit::TextSelectionPopup::CLIPBOARD:
933 controller.mImpl->ShowClipboard();
936 case Toolkit::TextSelectionPopup::NONE:
946 } // namespace Toolkit