svx/source/dialog/relfld.cxx

   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 #include <svx/relfld.hxx>
  21
  22 SvxRelativeField::SvxRelativeField(std::unique_ptr<weld::MetricSpinButton> pControl)
  23     : m_xSpinButton(std::move(pControl))
  24     , nRelMin(0)
  25     , nRelMax(0)
  26     , bRelativeMode(false)
  27     , bRelative(false)
  28     , bNegativeEnabled(false)
  29
  30 {
  31     weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
  32     rSpinButton.connect_changed(LINK(this, SvxRelativeField, ModifyHdl));
  33 }
  34
  35 IMPL_LINK_NOARG(SvxRelativeField, ModifyHdl, weld::Entry&, void)
  36 {
  37     if (!bRelativeMode)
  38         return;
  39
  40     OUString  aStr = m_xSpinButton->get_text();
  41     bool      bNewMode = bRelative;
  42
  43     if ( bRelative )
  44     {
  45         const sal_Unicode* pStr = aStr.getStr();
  46
  47         while ( *pStr )
  48         {
  49             if( ( ( *pStr < '0' ) || ( *pStr > '9' ) ) &&
  50                 ( *pStr != '%' ) )
  51             {
  52                 bNewMode = false;
  53                 break;
  54             }
  55             pStr++;
  56         }
  57     }
  58     else
  59     {
  60         if ( aStr.indexOf( "%" ) != -1 )
  61             bNewMode = true;
  62     }
  63
  64     if ( bNewMode != bRelative )
  65         SetRelative( bNewMode );
  66 }
  67
  68 void SvxRelativeField::EnableRelativeMode(sal_uInt16 nMin, sal_uInt16 nMax)
  69 {
  70     bRelativeMode = true;
  71     nRelMin       = nMin;
  72     nRelMax       = nMax;
  73     m_xSpinButton->set_unit(FieldUnit::CM);
  74 }
  75
  76 void SvxRelativeField::SetRelative( bool bNewRelative )
  77 {
  78     weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
  79
  80     int nStartPos, nEndPos;
  81     rSpinButton.get_selection_bounds(nStartPos, nEndPos);
  82     OUString aStr = rSpinButton.get_text();
  83
  84     if ( bNewRelative )
  85     {
  86         bRelative = true;
  87         m_xSpinButton->set_digits(0);
  88         m_xSpinButton->set_range(nRelMin, nRelMax, FieldUnit::NONE);
  89         m_xSpinButton->set_unit(FieldUnit::PERCENT);
  90     }
  91     else
  92     {
  93         bRelative = false;
  94         m_xSpinButton->set_digits(2);
  95         m_xSpinButton->set_range(bNegativeEnabled ? -9999 : 0, 9999, FieldUnit::NONE);
  96         m_xSpinButton->set_unit(FieldUnit::CM);
  97     }
  98
  99     rSpinButton.set_text(aStr);
 100     rSpinButton.select_region(nStartPos, nEndPos);
 101 }
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */