vcl/source/window/tabdlg.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/fixed.hxx>
  21 #include <vcl/layout.hxx>
  22 #include <vcl/tabctrl.hxx>
  23 #include <vcl/toolkit/tabdlg.hxx>
  24 #include <vcl/tabpage.hxx>
  25
  26 void TabDialog::ImplInitTabDialogData()
  27 {
  28     mpFixedLine     = nullptr;
  29     mbPosControls   = true;
  30 }
  31
  32 void TabDialog::ImplPosControls()
  33 {
  34     if (isLayoutEnabled())
  35         return;
  36
  37     Size        aCtrlSize( IMPL_MINSIZE_BUTTON_WIDTH, IMPL_MINSIZE_BUTTON_HEIGHT );
  38     tools::Long        nDownCtrl = 0;
  39     tools::Long        nOffY = 0;
  40     vcl::Window*     pTabControl = nullptr;
  41
  42     vcl::Window* pChild = GetWindow( GetWindowType::FirstChild );
  43     while ( pChild )
  44     {
  45         if ( pChild->IsVisible() )
  46         {
  47             if (pChild->GetType() == WindowType::TABCONTROL || isContainerWindow(*pChild))
  48                 pTabControl = pChild;
  49             else if ( pTabControl )
  50             {
  51                 Size aOptimalSize(pChild->get_preferred_size());
  52                 tools::Long nTxtWidth = aOptimalSize.Width();
  53                 if ( nTxtWidth > aCtrlSize.Width() )
  54                     aCtrlSize.setWidth( nTxtWidth );
  55                 tools::Long nTxtHeight = aOptimalSize.Height();
  56                 if ( nTxtHeight > aCtrlSize.Height() )
  57                     aCtrlSize.setHeight( nTxtHeight );
  58                 nDownCtrl++;
  59             }
  60             else
  61             {
  62                 tools::Long nHeight = pChild->GetSizePixel().Height();
  63                 if ( nHeight > nOffY )
  64                     nOffY = nHeight;
  65             }
  66         }
  67
  68         pChild = pChild->GetWindow( GetWindowType::Next );
  69     }
  70
  71     // do we have a TabControl ?
  72     if ( pTabControl )
  73     {
  74         // adapt offset for other controls by an extra distance
  75         if ( nOffY )
  76             nOffY += IMPL_DIALOG_BAR_OFFSET*2 + 2;
  77
  78         Point   aTabOffset( IMPL_DIALOG_OFFSET, IMPL_DIALOG_OFFSET+nOffY );
  79
  80         if (isContainerWindow(*pTabControl))
  81             pTabControl->SetSizePixel(pTabControl->get_preferred_size());
  82
  83         Size    aTabSize = pTabControl->GetSizePixel();
  84
  85         Size    aDlgSize( aTabSize.Width() + IMPL_DIALOG_OFFSET*2,
  86                           aTabSize.Height() + IMPL_DIALOG_OFFSET*2 + nOffY );
  87
  88         // adapt positioning
  89         pTabControl->SetPosPixel( aTabOffset );
  90
  91         // position all other Children
  92         bool bTabCtrl   = false;
  93         int  nLines     = 0;
  94         tools::Long nX;
  95         tools::Long nY         = aDlgSize.Height();
  96         tools::Long nTopX      = IMPL_DIALOG_OFFSET;
  97
  98         // all buttons are right aligned under Windows 95
  99         nX = IMPL_DIALOG_OFFSET;
 100         tools::Long nCtrlBarWidth = ((aCtrlSize.Width()+IMPL_DIALOG_OFFSET)*nDownCtrl)-IMPL_DIALOG_OFFSET;
 101         if ( nCtrlBarWidth <= aTabSize.Width() )
 102             nX = aTabSize.Width() - nCtrlBarWidth + IMPL_DIALOG_OFFSET;
 103
 104         vcl::Window* pChild2 = GetWindow( GetWindowType::FirstChild );
 105         while ( pChild2 )
 106         {
 107             if ( pChild2->IsVisible() )
 108             {
 109                 if ( pChild2 == pTabControl )
 110                     bTabCtrl = true;
 111                 else if ( bTabCtrl )
 112                 {
 113                     if ( !nLines )
 114                         nLines = 1;
 115
 116                     if ( nX+aCtrlSize.Width()-IMPL_DIALOG_OFFSET > aTabSize.Width() )
 117                     {
 118                         nY += aCtrlSize.Height()+IMPL_DIALOG_OFFSET;
 119                         nX  = IMPL_DIALOG_OFFSET;
 120                         nLines++;
 121                     }
 122
 123                     pChild2->SetPosSizePixel( Point( nX, nY ), aCtrlSize );
 124                     nX += aCtrlSize.Width()+IMPL_DIALOG_OFFSET;
 125                 }
 126                 else
 127                 {
 128                     Size aChildSize = pChild2->GetSizePixel();
 129                     pChild2->SetPosPixel( Point( nTopX, (nOffY-aChildSize.Height())/2 ) );
 130                     nTopX += aChildSize.Width()+2;
 131                 }
 132             }
 133
 134             pChild2 = pChild2->GetWindow( GetWindowType::Next );
 135         }
 136
 137         aDlgSize.AdjustHeight(nLines * (aCtrlSize.Height()+IMPL_DIALOG_OFFSET) );
 138         SetOutputSizePixel( aDlgSize );
 139     }
 140
 141     // store offset
 142     if ( nOffY )
 143     {
 144         Size aDlgSize = GetOutputSizePixel();
 145         if ( !mpFixedLine )
 146             mpFixedLine = VclPtr<FixedLine>::Create( this );
 147         mpFixedLine->SetPosSizePixel( Point( 0, nOffY ),
 148                                       Size( aDlgSize.Width(), 2 ) );
 149         mpFixedLine->Show();
 150     }
 151
 152     mbPosControls = false;
 153 }
 154
 155 TabDialog::TabDialog( vcl::Window* pParent, WinBits nStyle ) :
 156     Dialog( WindowType::TABDIALOG )
 157 {
 158     ImplInitTabDialogData();
 159     ImplInitDialog( pParent, nStyle );
 160 }
 161
 162 TabDialog::~TabDialog()
 163 {
 164     disposeOnce();
 165 }
 166
 167 void TabDialog::dispose()
 168 {
 169     mpFixedLine.disposeAndClear();
 170     Dialog::dispose();
 171 }
 172
 173 void TabDialog::StateChanged( StateChangedType nType )
 174 {
 175     if ( nType == StateChangedType::InitShow )
 176     {
 177         // Calculate the Layout only for the initialized state
 178         if ( mbPosControls )
 179             ImplPosControls();
 180     }
 181     Dialog::StateChanged( nType );
 182 }
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */