vcl/source/toolkit/morebtn.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 <vcl/toolkit/morebtn.hxx>
  21 #include <vcl/stdtext.hxx>
  22
  23 struct ImplMoreButtonData
  24 {
  25     OUString                             maMoreText;
  26     OUString                             maLessText;
  27 };
  28
  29 void MoreButton::ImplInit( vcl::Window* pParent, WinBits nStyle )
  30 {
  31     mpMBData.reset(new ImplMoreButtonData);
  32     mbState      = false;
  33
  34     PushButton::ImplInit( pParent, nStyle );
  35
  36     mpMBData->maMoreText = GetStandardText( StandardButtonType::More );
  37     mpMBData->maLessText = GetStandardText( StandardButtonType::Less );
  38
  39     ShowState();
  40
  41     SetSymbolAlign(SymbolAlign::RIGHT);
  42     SetImageAlign(ImageAlign::Right); //Resolves: fdo#31849 ensure button remains vertically centered
  43     SetSmallSymbol();
  44
  45     if ( ! ( nStyle & ( WB_RIGHT | WB_LEFT ) ) )
  46     {
  47         nStyle |= WB_CENTER;
  48         SetStyle( nStyle );
  49     }
  50 }
  51
  52 void MoreButton::ShowState()
  53 {
  54     if ( mbState )
  55     {
  56         SetSymbol( SymbolType::PAGEUP );
  57         SetText( mpMBData->maLessText );
  58     }
  59     else
  60     {
  61         SetSymbol( SymbolType::PAGEDOWN );
  62         SetText( mpMBData->maMoreText );
  63     }
  64 }
  65
  66 MoreButton::MoreButton( vcl::Window* pParent, WinBits nStyle ) :
  67     PushButton( WindowType::MOREBUTTON )
  68 {
  69     ImplInit( pParent, nStyle );
  70 }
  71
  72 MoreButton::~MoreButton()
  73 {
  74     disposeOnce();
  75 }
  76
  77 void MoreButton::dispose()
  78 {
  79     mpMBData.reset();
  80     PushButton::dispose();
  81 }
  82
  83 void MoreButton::Click()
  84 {
  85     vcl::Window*     pParent = GetParent();
  86     Size        aSize( pParent->GetSizePixel() );
  87     tools::Long nDeltaPixel = LogicToPixel(Size(0, 0), MapMode(MapUnit::MapPixel)).Height();
  88
  89     // Change status
  90     mbState = !mbState;
  91     ShowState();
  92
  93     // Update the windows according to the status
  94     if ( mbState )
  95     {
  96         // Adapt dialogbox
  97         Point aPos( pParent->GetPosPixel() );
  98         tools::Rectangle aDeskRect( pParent->ImplGetFrameWindow()->GetDesktopRectPixel() );
  99
 100         aSize.AdjustHeight(nDeltaPixel );
 101         if ( (aPos.Y()+aSize.Height()) > aDeskRect.Bottom() )
 102         {
 103             aPos.setY( aDeskRect.Bottom()-aSize.Height() );
 104
 105             if ( aPos.Y() < aDeskRect.Top() )
 106                 aPos.setY( aDeskRect.Top() );
 107
 108             pParent->SetPosSizePixel( aPos, aSize );
 109         }
 110         else
 111             pParent->SetSizePixel( aSize );
 112     }
 113     else
 114     {
 115         // Adapt Dialogbox
 116         aSize.AdjustHeight( -nDeltaPixel );
 117         pParent->SetSizePixel( aSize );
 118     }
 119     // Call Click handler here, so that we can initialize the Controls
 120     PushButton::Click();
 121 }
 122
 123 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */