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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 <tolayoutanchoredobjectposition.hxx>
21 : #include <anchoredobject.hxx>
22 : #include <frame.hxx>
23 : #include <pagefrm.hxx>
24 : #include <svx/svdobj.hxx>
25 : #include <frmfmt.hxx>
26 : #include <fmtanchr.hxx>
27 : #include <fmtornt.hxx>
28 : #include <fmtsrnd.hxx>
29 : #include <IDocumentSettingAccess.hxx>
30 : #include <frmatr.hxx>
31 : #include "viewsh.hxx"
32 : #include "viewopt.hxx"
33 : #include "rootfrm.hxx"
34 : #include <editeng/lrspitem.hxx>
35 : #include <editeng/ulspitem.hxx>
36 :
37 : using namespace objectpositioning;
38 : using namespace ::com::sun::star;
39 :
40 0 : SwToLayoutAnchoredObjectPosition::SwToLayoutAnchoredObjectPosition( SdrObject& _rDrawObj )
41 : : SwAnchoredObjectPosition( _rDrawObj ),
42 : maRelPos( Point() ),
43 : // #i26791#
44 0 : maOffsetToFrmAnchorPos( Point() )
45 0 : {}
46 :
47 0 : SwToLayoutAnchoredObjectPosition::~SwToLayoutAnchoredObjectPosition()
48 0 : {}
49 :
50 : /** calculate position for object position type TO_LAYOUT */
51 0 : void SwToLayoutAnchoredObjectPosition::CalcPosition()
52 : {
53 0 : const SwRect aObjBoundRect( GetAnchoredObj().GetObjRect() );
54 :
55 0 : SWRECTFN( (&GetAnchorFrm()) );
56 :
57 0 : const SwFrmFmt& rFrmFmt = GetFrmFmt();
58 0 : const SvxLRSpaceItem &rLR = rFrmFmt.GetLRSpace();
59 0 : const SvxULSpaceItem &rUL = rFrmFmt.GetULSpace();
60 :
61 0 : const bool bFlyAtFly = FLY_AT_FLY == rFrmFmt.GetAnchor().GetAnchorId();
62 :
63 : // determine position.
64 : // 'vertical' and 'horizontal' position are calculated separately
65 0 : Point aRelPos;
66 :
67 : // calculate 'vertical' position
68 0 : SwFmtVertOrient aVert( rFrmFmt.GetVertOrient() );
69 : {
70 : // to-frame anchored objects are *only* vertical positioned centered or
71 : // bottom, if its wrap mode is 'throught' and its anchor frame has fixed
72 : // size. Otherwise, it's positioned top.
73 0 : sal_Int16 eVertOrient = aVert.GetVertOrient();
74 0 : if ( ( bFlyAtFly &&
75 0 : ( eVertOrient == text::VertOrientation::CENTER ||
76 0 : eVertOrient == text::VertOrientation::BOTTOM ) &&
77 0 : SURROUND_THROUGHT != rFrmFmt.GetSurround().GetSurround() &&
78 0 : !GetAnchorFrm().HasFixSize() ) )
79 : {
80 0 : eVertOrient = text::VertOrientation::TOP;
81 : }
82 : // #i26791# - get vertical offset to frame anchor position.
83 0 : SwTwips nVertOffsetToFrmAnchorPos( 0L );
84 : SwTwips nRelPosY =
85 0 : _GetVertRelPos( GetAnchorFrm(), GetAnchorFrm(), eVertOrient,
86 0 : aVert.GetRelationOrient(), aVert.GetPos(),
87 0 : rLR, rUL, nVertOffsetToFrmAnchorPos );
88 :
89 : // keep the calculated relative vertical position - needed for filters
90 : // (including the xml-filter)
91 : {
92 0 : SwTwips nAttrRelPosY = nRelPosY - nVertOffsetToFrmAnchorPos;
93 0 : if ( aVert.GetVertOrient() != text::VertOrientation::NONE &&
94 0 : aVert.GetPos() != nAttrRelPosY )
95 : {
96 0 : aVert.SetPos( nAttrRelPosY );
97 0 : const_cast<SwFrmFmt&>(rFrmFmt).LockModify();
98 0 : const_cast<SwFrmFmt&>(rFrmFmt).SetFmtAttr( aVert );
99 0 : const_cast<SwFrmFmt&>(rFrmFmt).UnlockModify();
100 : }
101 : }
102 :
103 : // determine absolute 'vertical' position, depending on layout-direction
104 : // #i26791# - determine offset to 'vertical' frame
105 : // anchor position, depending on layout-direction
106 0 : if( bVert )
107 : {
108 : OSL_ENSURE( !bRev, "<SwToLayoutAnchoredObjectPosition::CalcPosition()> - reverse layout set." );
109 : //Badaa: 2008-04-18 * Support for Classical Mongolian Script (SCMS) joint with Jiayanmin
110 0 : if ( bVertL2R )
111 0 : aRelPos.X() = nRelPosY;
112 : else
113 0 : aRelPos.X() = -nRelPosY - aObjBoundRect.Width();
114 0 : maOffsetToFrmAnchorPos.X() = nVertOffsetToFrmAnchorPos;
115 : }
116 : else
117 : {
118 0 : aRelPos.Y() = nRelPosY;
119 0 : maOffsetToFrmAnchorPos.Y() = nVertOffsetToFrmAnchorPos;
120 : }
121 :
122 : // if in online-layout the bottom of to-page anchored object is beyond
123 : // the page bottom, the page frame has to grow by growing its body frame.
124 0 : const SwViewShell *pSh = GetAnchorFrm().getRootFrm()->GetCurrShell();
125 0 : if ( !bFlyAtFly && GetAnchorFrm().IsPageFrm() &&
126 0 : pSh && pSh->GetViewOptions()->getBrowseMode() )
127 : {
128 0 : const long nAnchorBottom = GetAnchorFrm().Frm().Bottom();
129 0 : const long nBottom = GetAnchorFrm().Frm().Top() +
130 0 : aRelPos.Y() + aObjBoundRect.Height();
131 0 : if ( nAnchorBottom < nBottom )
132 : {
133 0 : static_cast<SwPageFrm&>(GetAnchorFrm()).
134 0 : FindBodyCont()->Grow( nBottom - nAnchorBottom );
135 : }
136 : }
137 : } // end of determination of vertical position
138 :
139 : // calculate 'horizontal' position
140 0 : SwFmtHoriOrient aHori( rFrmFmt.GetHoriOrient() );
141 : {
142 : // consider toggle of horizontal position for even pages.
143 0 : const bool bToggle = aHori.IsPosToggle() &&
144 0 : !GetAnchorFrm().FindPageFrm()->OnRightPage();
145 0 : sal_Int16 eHoriOrient = aHori.GetHoriOrient();
146 0 : sal_Int16 eRelOrient = aHori.GetRelationOrient();
147 : // toggle orientation
148 0 : _ToggleHoriOrientAndAlign( bToggle, eHoriOrient, eRelOrient );
149 :
150 : // determine alignment values:
151 : // <nWidth>: 'width' of the alignment area
152 : // <nOffset>: offset of alignment area, relative to 'left' of
153 : // frame anchor position
154 : SwTwips nWidth, nOffset;
155 : {
156 : bool bDummy; // in this context irrelevant output parameter
157 0 : _GetHoriAlignmentValues( GetAnchorFrm(), GetAnchorFrm(),
158 : eRelOrient, false,
159 0 : nWidth, nOffset, bDummy );
160 : }
161 :
162 0 : SwTwips nObjWidth = (aObjBoundRect.*fnRect->fnGetWidth)();
163 :
164 : // determine relative horizontal position
165 : SwTwips nRelPosX;
166 0 : if ( text::HoriOrientation::NONE == eHoriOrient )
167 : {
168 0 : if( bToggle ||
169 0 : ( !aHori.IsPosToggle() && GetAnchorFrm().IsRightToLeft() ) )
170 : {
171 0 : nRelPosX = nWidth - nObjWidth - aHori.GetPos();
172 : }
173 : else
174 : {
175 0 : nRelPosX = aHori.GetPos();
176 : }
177 : }
178 0 : else if ( text::HoriOrientation::CENTER == eHoriOrient )
179 0 : nRelPosX = (nWidth / 2) - (nObjWidth / 2);
180 0 : else if ( text::HoriOrientation::RIGHT == eHoriOrient )
181 0 : nRelPosX = nWidth - ( nObjWidth +
182 0 : ( bVert ? rUL.GetLower() : rLR.GetRight() ) );
183 : else
184 0 : nRelPosX = bVert ? rUL.GetUpper() : rLR.GetLeft();
185 0 : nRelPosX += nOffset;
186 :
187 : // no 'negative' relative horizontal position
188 : // OD 06.11.2003 #FollowTextFlowAtFrame# - negative positions allow for
189 : // to frame anchored objects.
190 0 : if ( !bFlyAtFly && nRelPosX < 0 )
191 : {
192 0 : nRelPosX = 0;
193 : }
194 :
195 : // determine absolute 'horizontal' position, depending on layout-direction
196 : // #i26791# - determine offset to 'horizontal' frame
197 : // anchor position, depending on layout-direction
198 : //Badaa: 2008-04-18 * Support for Classical Mongolian Script (SCMS) joint with Jiayanmin
199 : // --> OD 2009-09-04 #mongolianlayout#
200 0 : if( bVert || bVertL2R )
201 : {
202 :
203 0 : aRelPos.Y() = nRelPosX;
204 0 : maOffsetToFrmAnchorPos.Y() = nOffset;
205 : }
206 : else
207 : {
208 0 : aRelPos.X() = nRelPosX;
209 0 : maOffsetToFrmAnchorPos.X() = nOffset;
210 : }
211 :
212 : // keep the calculated relative horizontal position - needed for filters
213 : // (including the xml-filter)
214 : {
215 0 : SwTwips nAttrRelPosX = nRelPosX - nOffset;
216 0 : if ( text::HoriOrientation::NONE != aHori.GetHoriOrient() &&
217 0 : aHori.GetPos() != nAttrRelPosX )
218 : {
219 0 : aHori.SetPos( nAttrRelPosX );
220 0 : const_cast<SwFrmFmt&>(rFrmFmt).LockModify();
221 0 : const_cast<SwFrmFmt&>(rFrmFmt).SetFmtAttr( aHori );
222 0 : const_cast<SwFrmFmt&>(rFrmFmt).UnlockModify();
223 : }
224 : }
225 : } // end of determination of horizontal position
226 :
227 : // keep calculate relative position
228 0 : maRelPos = aRelPos;
229 0 : }
230 :
231 : /** calculated relative position for object position */
232 0 : Point SwToLayoutAnchoredObjectPosition::GetRelPos() const
233 : {
234 0 : return maRelPos;
235 : }
236 :
237 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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