dbaccess/source/ui/inc/marktree.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 #ifndef INCLUDED_DBACCESS_SOURCE_UI_INC_MARKTREE_HXX
  21 #define INCLUDED_DBACCESS_SOURCE_UI_INC_MARKTREE_HXX
  22
  23 #include "dbtreelistbox.hxx"
  24
  25 #include "svtools/svlbitm.hxx"
  26
  27 namespace dbaui
  28 {
  29
  30 // OMarkableTreeListBox
  31 /** a tree list box where all entries can be marked (with a checkbox) and
  32     unmarked. In addition, inner nodes know a third state which applies
  33     if some, but not all of their descendants are marked.
  34 */
  35 class OMarkableTreeListBox : public DBTreeListBox
  36 {
  37     SvLBoxButtonData*   m_pCheckButton;
  38     Link<void*,void>    m_aCheckButtonHandler;
  39
  40 public:
  41     OMarkableTreeListBox( vcl::Window* pParent, WinBits nWinStyle=0 );
  42     virtual ~OMarkableTreeListBox();
  43     virtual void dispose() override;
  44
  45     virtual void    KeyInput( const KeyEvent& rKEvt ) override;
  46     virtual void    CheckButtonHdl() override;
  47     void            CheckButtons();     // make the button states consistent (bottom-up)
  48
  49     /// the handler given is called whenever the check state of one or more items changed
  50     void SetCheckHandler(const Link<void*,void>& _rHdl) { m_aCheckButtonHandler = _rHdl; }
  51
  52 protected:
  53     virtual void Paint(vcl::RenderContext& rRenderContext, const Rectangle& _rRect) override;
  54     virtual void checkedButton_noBroadcast(SvTreeListEntry* _pEntry);
  55
  56     SvButtonState   implDetermineState(SvTreeListEntry* _pEntry);
  57         // determines the check state of the given entry, by analyzing the states of all descendants
  58
  59 private:
  60     void InitButtonData();
  61 };
  62
  63 }   // namespace dbaui
  64
  65 #endif // INCLUDED_DBACCESS_SOURCE_UI_INC_MARKTREE_HXX
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */