svx/inc/textchaincursor.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <sal/types.h>
  23
  24 class SdrObjEditView;
  25 class SdrTextObj;
  26 class KeyEvent;
  27 class SdrOutliner;
  28 enum class CursorChainingEvent : sal_uInt8;
  29 struct ESelection;
  30
  31
  32 class TextChainCursorManager
  33 {
  34 public:
  35     TextChainCursorManager(SdrObjEditView *pEditView, const SdrTextObj *pTextObj);
  36
  37     bool HandleKeyEvent( const KeyEvent& rKEvt );
  38
  39     // Used by HandledKeyEvent and basic building block for handling cursor event
  40     void HandleCursorEvent(const CursorChainingEvent aCurEvt,
  41                            const ESelection& aNewSel);
  42
  43     // To be used after chaining event to deal with some nuisances
  44     void  HandleCursorEventAfterChaining(const CursorChainingEvent aCurEvt,
  45                                          const ESelection& aNewSel);
  46
  47 private:
  48     SdrObjEditView *mpEditView;
  49     const SdrTextObj *mpTextObj;
  50
  51     // flag for handling of CANC which is kind of an exceptional case
  52     bool mbHandlingDel;
  53
  54     void impChangeEditingTextObj(SdrTextObj *pTargetTextObj, ESelection aNewSel);
  55     void impDetectEvent(const KeyEvent& rKEvt,
  56                         CursorChainingEvent& rOutCursorEvt,
  57                         ESelection& rOutSel,
  58                         bool& rOutHandled);
  59 };
  60
  61
  62 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
  63