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 #include <vcl/builderfactory.hxx>
  22
  23 SvxRelativeField::SvxRelativeField(
  24         vcl::Window *const pParent, WinBits const nBits, FieldUnit const eUnit)
  25     : MetricField( pParent, nBits)
  26 {
  27     SetUnit(eUnit);
  28     SetDecimalDigits( 2 );
  29     SetMin( 0 );
  30     SetMax( 9999 );
  31 }
  32
  33 extern "C" SAL_DLLPUBLIC_EXPORT void makeSvxRelativeField(VclPtr<vcl::Window> & rRet, const VclPtr<vcl::Window> & pParent, VclBuilder::stringmap & rMap)
  34 {
  35     static_assert(std::is_same_v<std::remove_pointer_t<VclBuilder::customMakeWidget>,
  36                                  decltype(makeSvxRelativeField)>);
  37     OUString const custom(BuilderUtils::extractCustomProperty(rMap));
  38     FieldUnit const eUnit(BuilderUtils::detectUnit(custom));
  39     rRet = VclPtr<SvxRelativeField>::Create(pParent,
  40                                             WB_BORDER | WB_SPIN | WB_REPEAT |
  41                                             WB_LEFT | WB_GROUP,
  42                                             eUnit);
  43 }
  44
  45 RelativeField::RelativeField(std::unique_ptr<weld::MetricSpinButton> pControl)
  46     : m_xSpinButton(std::move(pControl))
  47     , nRelMin(0)
  48     , nRelMax(0)
  49     , bRelativeMode(false)
  50     , bRelative(false)
  51     , bNegativeEnabled(false)
  52
  53 {
  54     weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
  55     rSpinButton.connect_changed(LINK(this, RelativeField, ModifyHdl));
  56 }
  57
  58 IMPL_LINK_NOARG(RelativeField, ModifyHdl, weld::Entry&, void)
  59 {
  60     if (bRelativeMode)
  61     {
  62         OUString  aStr = m_xSpinButton->get_text();
  63         bool      bNewMode = bRelative;
  64
  65         if ( bRelative )
  66         {
  67             const sal_Unicode* pStr = aStr.getStr();
  68
  69             while ( *pStr )
  70             {
  71                 if( ( ( *pStr < '0' ) || ( *pStr > '9' ) ) &&
  72                     ( *pStr != '%' ) )
  73                 {
  74                     bNewMode = false;
  75                     break;
  76                 }
  77                 pStr++;
  78             }
  79         }
  80         else
  81         {
  82             if ( aStr.indexOf( "%" ) != -1 )
  83                 bNewMode = true;
  84         }
  85
  86         if ( bNewMode != bRelative )
  87             SetRelative( bNewMode );
  88     }
  89 }
  90
  91 void RelativeField::EnableRelativeMode(sal_uInt16 nMin, sal_uInt16 nMax)
  92 {
  93     bRelativeMode = true;
  94     nRelMin       = nMin;
  95     nRelMax       = nMax;
  96     m_xSpinButton->set_unit(FieldUnit::CM);
  97 }
  98
  99 void RelativeField::SetRelative( bool bNewRelative )
 100 {
 101     weld::SpinButton& rSpinButton = m_xSpinButton->get_widget();
 102
 103     int nStartPos, nEndPos;
 104     rSpinButton.get_selection_bounds(nStartPos, nEndPos);
 105     OUString aStr = rSpinButton.get_text();
 106
 107     if ( bNewRelative )
 108     {
 109         bRelative = true;
 110         m_xSpinButton->set_digits(0);
 111         m_xSpinButton->set_range(nRelMin, nRelMax, FieldUnit::NONE);
 112         m_xSpinButton->set_unit(FieldUnit::PERCENT);
 113     }
 114     else
 115     {
 116         bRelative = false;
 117         m_xSpinButton->set_digits(2);
 118         m_xSpinButton->set_range(bNegativeEnabled ? -9999 : 0, 9999, FieldUnit::NONE);
 119         m_xSpinButton->set_unit(FieldUnit::CM);
 120     }
 121
 122     rSpinButton.set_text(aStr);
 123     rSpinButton.select_region(nStartPos, nEndPos);
 124 }
 125
 126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */