sw/source/uibase/sidebar/PageOrientationControl.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 "PageOrientationControl.hxx"
  21 #include "PageMarginControl.hxx"
  22 #include <PageOrientationPopup.hxx>
  23 #include <com/sun/star/document/XUndoManager.hpp>
  24 #include <com/sun/star/document/XUndoManagerSupplier.hpp>
  25 #include <com/sun/star/frame/XFrame.hpp>
  26
  27 #include <sfx2/viewsh.hxx>
  28 #include <sfx2/dispatch.hxx>
  29 #include <sfx2/viewfrm.hxx>
  30 #include <cmdid.h>
  31
  32 namespace {
  33     css::uno::Reference< css::document::XUndoManager > getUndoManager( const css::uno::Reference< css::frame::XFrame >& rxFrame )
  34     {
  35         const css::uno::Reference< css::frame::XController >& xController = rxFrame->getController();
  36         if ( xController.is() )
  37         {
  38             const css::uno::Reference< css::frame::XModel >& xModel = xController->getModel();
  39             if ( xModel.is() )
  40             {
  41                 const css::uno::Reference< css::document::XUndoManagerSupplier > xSuppUndo( xModel, css::uno::UNO_QUERY_THROW );
  42                 return css::uno::Reference< css::document::XUndoManager >( xSuppUndo->getUndoManager(), css::uno::UNO_SET_THROW );
  43             }
  44         }
  45
  46         return css::uno::Reference< css::document::XUndoManager > ();
  47     }
  48 }
  49
  50 namespace sw::sidebar {
  51
  52 PageOrientationControl::PageOrientationControl(PageOrientationPopup* pControl, weld::Widget* pParent)
  53     : WeldToolbarPopup(pControl->getFrameInterface(), pParent, "modules/swriter/ui/pageorientationcontrol.ui", "PageOrientationControl")
  54     , m_xPortrait(m_xBuilder->weld_button("portrait"))
  55     , m_xLandscape(m_xBuilder->weld_button("landscape"))
  56     , m_xControl(pControl)
  57     , mpPageItem( new SvxPageItem(SID_ATTR_PAGE) )
  58     , mpPageSizeItem( new SvxSizeItem(SID_ATTR_PAGE_SIZE) )
  59     , mpPageLRMarginItem( new SvxLongLRSpaceItem( 0, 0, SID_ATTR_PAGE_LRSPACE ) )
  60     , mpPageULMarginItem( new SvxLongULSpaceItem( 0, 0, SID_ATTR_PAGE_ULSPACE ) )
  61 {
  62     m_xPortrait->connect_clicked( LINK( this, PageOrientationControl,ImplOrientationHdl ) );
  63     m_xLandscape->connect_clicked( LINK( this, PageOrientationControl,ImplOrientationHdl ) );
  64 }
  65
  66 void PageOrientationControl::GrabFocus()
  67 {
  68     m_xPortrait->grab_focus();
  69 }
  70
  71 PageOrientationControl::~PageOrientationControl()
  72 {
  73 }
  74
  75 void PageOrientationControl::ExecuteMarginLRChange(
  76     const tools::Long nPageLeftMargin,
  77     const tools::Long nPageRightMargin )
  78 {
  79     mpPageLRMarginItem->SetLeft( nPageLeftMargin );
  80     mpPageLRMarginItem->SetRight( nPageRightMargin );
  81     if (SfxViewFrame* pViewFrm = SfxViewFrame::Current())
  82         pViewFrm->GetDispatcher()->ExecuteList(SID_ATTR_PAGE_LRSPACE,
  83             SfxCallMode::RECORD, { mpPageLRMarginItem.get() });
  84 }
  85
  86 void PageOrientationControl::ExecuteMarginULChange(
  87     const tools::Long nPageTopMargin,
  88     const tools::Long nPageBottomMargin )
  89 {
  90     mpPageULMarginItem->SetUpper( nPageTopMargin );
  91     mpPageULMarginItem->SetLower( nPageBottomMargin );
  92     if (SfxViewFrame* pViewFrm = SfxViewFrame::Current())
  93         pViewFrm->GetDispatcher()->ExecuteList(SID_ATTR_PAGE_ULSPACE,
  94             SfxCallMode::RECORD, { mpPageULMarginItem.get() });
  95 }
  96
  97 void PageOrientationControl::ExecuteOrientationChange( const bool bLandscape )
  98 {
  99     SfxViewFrame* pViewFrm = SfxViewFrame::Current();
 100     if (!pViewFrm)
 101         return;
 102
 103     css::uno::Reference< css::document::XUndoManager > mxUndoManager(
 104                 getUndoManager( pViewFrm->GetFrame().GetFrameInterface() ) );
 105
 106     if ( mxUndoManager.is() )
 107         mxUndoManager->enterUndoContext( "" );
 108
 109     const SvxSizeItem* pSizeItem;
 110     pViewFrm->GetBindings().GetDispatcher()->QueryState(SID_ATTR_PAGE_SIZE, pSizeItem);
 111     mpPageSizeItem.reset( pSizeItem->Clone() );
 112
 113     // Prevent accidental toggling of page orientation
 114     if ((mpPageSizeItem->GetWidth() > mpPageSizeItem->GetHeight()) == bLandscape)
 115     {
 116         if ( mxUndoManager.is() )
 117             mxUndoManager->leaveUndoContext();
 118         return;
 119     }
 120
 121     const SvxLongLRSpaceItem* pLRSpaceItem;
 122     pViewFrm->GetBindings().GetDispatcher()->QueryState(SID_ATTR_PAGE_LRSPACE, pLRSpaceItem);
 123     mpPageLRMarginItem.reset( pLRSpaceItem->Clone() );
 124
 125     const SvxLongULSpaceItem* pULSpaceItem;
 126     pViewFrm->GetBindings().GetDispatcher()->QueryState(SID_ATTR_PAGE_ULSPACE, pULSpaceItem);
 127     mpPageULMarginItem.reset( pULSpaceItem->Clone() );
 128
 129     {
 130         // set new page orientation
 131         mpPageItem->SetLandscape( bLandscape );
 132
 133         // swap the width and height of the page size
 134         const tools::Long nRotatedWidth = mpPageSizeItem->GetSize().Height();
 135         const tools::Long nRotatedHeight = mpPageSizeItem->GetSize().Width();
 136         mpPageSizeItem->SetSize(Size(nRotatedWidth, nRotatedHeight));
 137
 138         // apply changed attributes
 139         pViewFrm->GetDispatcher()->ExecuteList(SID_ATTR_PAGE_SIZE,
 140             SfxCallMode::RECORD, { mpPageSizeItem.get(), mpPageItem.get() });
 141     }
 142
 143     // check, if margin values still fit to the changed page size.
 144     // if not, adjust margin values
 145     {
 146         const tools::Long nML = mpPageLRMarginItem->GetLeft();
 147         const tools::Long nMR = mpPageLRMarginItem->GetRight();
 148         const tools::Long nTmpPW = nML + nMR + MINBODY;
 149
 150         const tools::Long nPW  = mpPageSizeItem->GetSize().Width();
 151
 152         if ( nTmpPW > nPW )
 153         {
 154             if ( nML <= nMR )
 155             {
 156                 ExecuteMarginLRChange( mpPageLRMarginItem->GetLeft(), nMR - (nTmpPW - nPW ) );
 157             }
 158             else
 159             {
 160                 ExecuteMarginLRChange( nML - (nTmpPW - nPW ), mpPageLRMarginItem->GetRight() );
 161             }
 162         }
 163
 164         const tools::Long nMT = mpPageULMarginItem->GetUpper();
 165         const tools::Long nMB = mpPageULMarginItem->GetLower();
 166         const tools::Long nTmpPH = nMT + nMB + MINBODY;
 167
 168         const tools::Long nPH  = mpPageSizeItem->GetSize().Height();
 169
 170         if ( nTmpPH > nPH )
 171         {
 172             if ( nMT <= nMB )
 173             {
 174                 ExecuteMarginULChange( mpPageULMarginItem->GetUpper(), nMB - ( nTmpPH - nPH ) );
 175             }
 176             else
 177             {
 178                 ExecuteMarginULChange( nMT - ( nTmpPH - nPH ), mpPageULMarginItem->GetLower() );
 179             }
 180         }
 181     }
 182
 183     if ( mxUndoManager.is() )
 184         mxUndoManager->leaveUndoContext();
 185 }
 186
 187 IMPL_LINK(PageOrientationControl, ImplOrientationHdl, weld::Button&, rControl, void)
 188 {
 189     if (&rControl == m_xPortrait.get())
 190         ExecuteOrientationChange( false );
 191     else
 192         ExecuteOrientationChange( true );
 193
 194     m_xControl->EndPopupMode();
 195 }
 196
 197 } // end of namespace sw::sidebar
 198
 199 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */