summaryrefslogtreecommitdiff
path: root/sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx
blob: c98e773b2f21ec53dee6038858ca4734bbb5602f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sw.hxx"
#include <tolayoutanchoredobjectposition.hxx>
#include <anchoredobject.hxx>
#include <frame.hxx>
#include <pagefrm.hxx>
#include <svx/svdobj.hxx>
#include <frmfmt.hxx>
#include <fmtanchr.hxx>
#include <fmtornt.hxx>
#include <fmtsrnd.hxx>
#include <IDocumentSettingAccess.hxx>
#include <frmatr.hxx>
#include <editeng/lrspitem.hxx>
#include <editeng/ulspitem.hxx>

using namespace objectpositioning;
using namespace ::com::sun::star;


SwToLayoutAnchoredObjectPosition::SwToLayoutAnchoredObjectPosition( SdrObject& _rDrawObj )
    : SwAnchoredObjectPosition( _rDrawObj ),
      maRelPos( Point() ),
      // --> OD 2004-06-17 #i26791#
      maOffsetToFrmAnchorPos( Point() )
{}

SwToLayoutAnchoredObjectPosition::~SwToLayoutAnchoredObjectPosition()
{}

/** calculate position for object position type TO_LAYOUT

    @author OD
*/
void SwToLayoutAnchoredObjectPosition::CalcPosition()
{
    const SwRect aObjBoundRect( GetAnchoredObj().GetObjRect() );

    SWRECTFN( (&GetAnchorFrm()) );

    const SwFrmFmt& rFrmFmt = GetFrmFmt();
    const SvxLRSpaceItem &rLR = rFrmFmt.GetLRSpace();
    const SvxULSpaceItem &rUL = rFrmFmt.GetULSpace();

    const bool bFlyAtFly = FLY_AT_FLY == rFrmFmt.GetAnchor().GetAnchorId();

    // determine position.
    // 'vertical' and 'horizontal' position are calculated separately
    Point aRelPos;

    // calculate 'vertical' position
    SwFmtVertOrient aVert( rFrmFmt.GetVertOrient() );
    {
        // to-frame anchored objects are *only* vertical positioned centered or
        // bottom, if its wrap mode is 'throught' and its anchor frame has fixed
        // size. Otherwise, it's positioned top.
        sal_Int16 eVertOrient = aVert.GetVertOrient();
        if ( ( bFlyAtFly &&
               ( eVertOrient == text::VertOrientation::CENTER ||
                 eVertOrient == text::VertOrientation::BOTTOM ) &&
             SURROUND_THROUGHT != rFrmFmt.GetSurround().GetSurround() &&
             !GetAnchorFrm().HasFixSize() ) )
        {
            eVertOrient = text::VertOrientation::TOP;
        }
        // --> OD 2004-06-17 #i26791# - get vertical offset to frame anchor position.
        SwTwips nVertOffsetToFrmAnchorPos( 0L );
        SwTwips nRelPosY =
                _GetVertRelPos( GetAnchorFrm(), GetAnchorFrm(), eVertOrient,
                                aVert.GetRelationOrient(), aVert.GetPos(),
                                rLR, rUL, nVertOffsetToFrmAnchorPos );


        // keep the calculated relative vertical position - needed for filters
        // (including the xml-filter)
        {
            SwTwips nAttrRelPosY = nRelPosY - nVertOffsetToFrmAnchorPos;
            if ( aVert.GetVertOrient() != text::VertOrientation::NONE &&
                 aVert.GetPos() != nAttrRelPosY )
            {
                aVert.SetPos( nAttrRelPosY );
                const_cast<SwFrmFmt&>(rFrmFmt).LockModify();
                const_cast<SwFrmFmt&>(rFrmFmt).SetFmtAttr( aVert );
                const_cast<SwFrmFmt&>(rFrmFmt).UnlockModify();
            }
        }

        // determine absolute 'vertical' position, depending on layout-direction
        // --> OD 2004-06-17 #i26791# - determine offset to 'vertical' frame
        // anchor position, depending on layout-direction
        if( bVert )
        {
            OSL_ENSURE( !bRev, "<SwToLayoutAnchoredObjectPosition::CalcPosition()> - reverse layout set." );
            aRelPos.X() = -nRelPosY - aObjBoundRect.Width();
            maOffsetToFrmAnchorPos.X() = nVertOffsetToFrmAnchorPos;
        }
        else
        {
            aRelPos.Y() = nRelPosY;
            maOffsetToFrmAnchorPos.Y() = nVertOffsetToFrmAnchorPos;
        }

        // if in online-layout the bottom of to-page anchored object is beyond
        // the page bottom, the page frame has to grow by growing its body frame.
        if ( !bFlyAtFly && GetAnchorFrm().IsPageFrm() &&
             rFrmFmt.getIDocumentSettingAccess()->get(IDocumentSettingAccess::BROWSE_MODE) )
        {
            const long nAnchorBottom = GetAnchorFrm().Frm().Bottom();
            const long nBottom = GetAnchorFrm().Frm().Top() +
                                 aRelPos.Y() + aObjBoundRect.Height();
            if ( nAnchorBottom < nBottom )
            {
                static_cast<SwPageFrm&>(GetAnchorFrm()).
                        FindBodyCont()->Grow( nBottom - nAnchorBottom );
            }
        }
    } // end of determination of vertical position

    // calculate 'horizontal' position
    SwFmtHoriOrient aHori( rFrmFmt.GetHoriOrient() );
    {
        // consider toggle of horizontal position for even pages.
        const bool bToggle = aHori.IsPosToggle() &&
                             !GetAnchorFrm().FindPageFrm()->OnRightPage();
        sal_Int16 eHoriOrient = aHori.GetHoriOrient();
        sal_Int16 eRelOrient = aHori.GetRelationOrient();
        // toggle orientation
        _ToggleHoriOrientAndAlign( bToggle, eHoriOrient, eRelOrient );

        // determine alignment values:
        // <nWidth>: 'width' of the alignment area
        // <nOffset>: offset of alignment area, relative to 'left' of
        //            frame anchor position
        SwTwips nWidth, nOffset;
        {
            bool bDummy; // in this context irrelevant output parameter
            _GetHoriAlignmentValues( GetAnchorFrm(), GetAnchorFrm(),
                                     eRelOrient, false,
                                     nWidth, nOffset, bDummy );
        }

        SwTwips nObjWidth = (aObjBoundRect.*fnRect->fnGetWidth)();

        // determine relative horizontal position
        SwTwips nRelPosX;
        if ( text::HoriOrientation::NONE == eHoriOrient )
        {
            if( bToggle ||
                ( !aHori.IsPosToggle() && GetAnchorFrm().IsRightToLeft() ) )
            {
                nRelPosX = nWidth - nObjWidth - aHori.GetPos();
            }
            else
            {
                nRelPosX = aHori.GetPos();
            }
        }
        else if ( text::HoriOrientation::CENTER == eHoriOrient )
            nRelPosX = (nWidth / 2) - (nObjWidth / 2);
        else if ( text::HoriOrientation::RIGHT == eHoriOrient )
            nRelPosX = nWidth - ( nObjWidth +
                             ( bVert ? rUL.GetLower() : rLR.GetRight() ) );
        else
            nRelPosX = bVert ? rUL.GetUpper() : rLR.GetLeft();
        nRelPosX += nOffset;

        // no 'negative' relative horizontal position
        // OD 06.11.2003 #FollowTextFlowAtFrame# - negative positions allow for
        // to frame anchored objects.
        if ( !bFlyAtFly && nRelPosX < 0 )
        {
            nRelPosX = 0;
        }

        // determine absolute 'horizontal' position, depending on layout-direction
        // --> OD 2004-06-17 #i26791# - determine offset to 'horizontal' frame
        // anchor position, depending on layout-direction
        if ( bVert )
        {
            aRelPos.Y() = nRelPosX;
            maOffsetToFrmAnchorPos.Y() = nOffset;
        }
        else
        {
            aRelPos.X() = nRelPosX;
            maOffsetToFrmAnchorPos.X() = nOffset;
        }

        // keep the calculated relative horizontal position - needed for filters
        // (including the xml-filter)
        {
            SwTwips nAttrRelPosX = nRelPosX - nOffset;
            if ( text::HoriOrientation::NONE != aHori.GetHoriOrient() &&
                 aHori.GetPos() != nAttrRelPosX )
            {
                aHori.SetPos( nAttrRelPosX );
                const_cast<SwFrmFmt&>(rFrmFmt).LockModify();
                const_cast<SwFrmFmt&>(rFrmFmt).SetFmtAttr( aHori );
                const_cast<SwFrmFmt&>(rFrmFmt).UnlockModify();
            }
        }
    } // end of determination of horizontal position

    // keep calculate relative position
    maRelPos = aRelPos;
}

/** calculated relative position for object position

    @author OD
*/
Point SwToLayoutAnchoredObjectPosition::GetRelPos() const
{
    return maRelPos;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */