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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 : #ifndef INCLUDED_SW_SOURCE_CORE_INC_ANCHOREDOBJECTPOSITION_HXX
21 : #define INCLUDED_SW_SOURCE_CORE_INC_ANCHOREDOBJECTPOSITION_HXX
22 :
23 : #include <swtypes.hxx>
24 : #include <frame.hxx>
25 :
26 : class SdrObject;
27 : class SwFrm;
28 : class SwFlyFrm;
29 : class SwContact;
30 : class SwFrmFmt;
31 : class SwRect;
32 : class SvxLRSpaceItem;
33 : class SvxULSpaceItem;
34 : class SwFmtHoriOrient;
35 : class SwAnchoredObject;
36 :
37 : namespace objectpositioning
38 : {
39 : class SwEnvironmentOfAnchoredObject;
40 :
41 : class SwAnchoredObjectPosition
42 : {
43 : private:
44 : // object to be positioned
45 : SdrObject& mrDrawObj;
46 :
47 : // does the object represents a Writer fly frame
48 : bool mbIsObjFly;
49 : // #i26791# - anchored object the object belongs to;
50 : SwAnchoredObject* mpAnchoredObj;
51 : // frame the object is anchored at
52 : SwFrm* mpAnchorFrm;
53 : // contact object
54 : SwContact* mpContact;
55 : // frame format
56 : const SwFrmFmt* mpFrmFmt;
57 : // #i62875#
58 : bool mbFollowTextFlow;
59 : // #i62875#
60 : // for compatibility option <DoNotCaptureDrawObjsOnPage>
61 : bool mbDoNotCaptureAnchoredObj;
62 :
63 : /** determine information about object
64 :
65 : member <mbIsObjFly>, <mpAnchoredObj>, <mpAnchorFrm>, <mpContact>
66 : and <mpFrmFmt> are set
67 : */
68 : void _GetInfoAboutObj();
69 :
70 : // #i62875#
71 : // --> OD 2009-09-01 #mongolianlayout# - add parameter <bVertL2R>
72 : SwTwips _ImplAdjustVertRelPos( const SwTwips nTopOfAnch,
73 : const bool bVert,
74 : const bool bVertL2R,
75 : const SwFrm& rPageAlignLayFrm,
76 : const SwTwips nProposedRelPosY,
77 : const bool bFollowTextFlow,
78 : const bool bCheckBottom = true ) const;
79 : SwTwips _ImplAdjustHoriRelPos( const SwFrm& _rPageAlignLayFrm,
80 : const SwTwips _nProposedRelPosX ) const;
81 :
82 : protected:
83 : SwAnchoredObjectPosition( SdrObject& _rDrawObj );
84 : virtual ~SwAnchoredObjectPosition();
85 :
86 : // accessors for object and its corresponding data/information
87 18746 : inline SdrObject& GetObject() const
88 : {
89 18746 : return mrDrawObj;
90 : }
91 26722 : inline bool IsObjFly() const
92 : {
93 26722 : return mbIsObjFly;
94 : }
95 134510 : inline SwAnchoredObject& GetAnchoredObj() const
96 : {
97 134510 : return *mpAnchoredObj;
98 : }
99 65323 : inline SwFrm& GetAnchorFrm() const
100 : {
101 65323 : return *mpAnchorFrm;
102 : }
103 5496 : inline SwContact& GetContact() const
104 : {
105 5496 : return *mpContact;
106 : }
107 30125 : inline const SwFrmFmt& GetFrmFmt() const
108 : {
109 30125 : return *mpFrmFmt;
110 : }
111 : // #i62875#
112 50530 : inline bool DoesObjFollowsTextFlow() const
113 : {
114 50530 : return mbFollowTextFlow;
115 : }
116 :
117 : // virtual methods providing data for to character anchored objects.
118 : virtual bool IsAnchoredToChar() const;
119 : virtual const SwFrm* ToCharOrientFrm() const;
120 : virtual const SwRect* ToCharRect() const;
121 : // #i22341#
122 : virtual SwTwips ToCharTopOfLine() const;
123 :
124 : /** helper method to determine top of a frame for the vertical object
125 : positioning
126 :
127 : #i11860#
128 : */
129 : SwTwips _GetTopForObjPos( const SwFrm& _rFrm,
130 : const SwRectFn& _fnRect,
131 : const bool _bVert ) const;
132 :
133 : void _GetVertAlignmentValues( const SwFrm& _rVertOrientFrm,
134 : const SwFrm& _rPageAlignLayFrm,
135 : const sal_Int16 _eRelOrient,
136 : SwTwips& _orAlignAreaHeight,
137 : SwTwips& _orAlignAreaOffset ) const;
138 :
139 : // #i26791# - add output parameter <_roVertOffsetToFrmAnchorPos>
140 : SwTwips _GetVertRelPos( const SwFrm& _rVertOrientFrm,
141 : const SwFrm& _rPageAlignLayFrm,
142 : const sal_Int16 _eVertOrient,
143 : const sal_Int16 _eRelOrient,
144 : const SwTwips _nVertPos,
145 : const SvxLRSpaceItem& _rLRSpacing,
146 : const SvxULSpaceItem& _rULSpacing,
147 : SwTwips& _roVertOffsetToFrmAnchorPos ) const;
148 :
149 : /** adjust calculated vertical in order to keep object inside
150 : 'page' alignment layout frame.
151 :
152 : #i31805# - add parameter <_bCheckBottom>
153 : #i26945# - add parameter <_bFollowTextFlow>
154 : #i62875# - made inline, intrinsic actions moved
155 : to private method <_ImplAdjustVertRelPos>, which is only
156 : called, if <mbDoNotCaptureAnchoredObj> not set.
157 : OD 2009-09-01 #mongolianlayout# - add parameter <bVertL2R>
158 :
159 : @param nTopOfAnch
160 : input parameter - 'vertical' position, at which the relative
161 : position of the object is calculated from.
162 :
163 : @param bVert
164 : input parameter - boolean, indicating, if object is in vertical
165 : layout.
166 :
167 : @param bVertL2R
168 : input parameter - boolean, indicating, if object is in mongolian
169 : layout (vertical left-to-right layout).
170 :
171 : @param rPageAlignLayFrm
172 : input parameter - layout frame, which determines the 'page area'
173 : the object has to be vertical positioned in.
174 :
175 : @param nProposedRelPosY
176 : input parameter - proposed relative vertical position, which
177 : will be adjusted.
178 :
179 : @param bFollowTextFlow
180 : input parameter - value of attribute 'Follow text flow' of the
181 : anchored object.
182 :
183 : @param bCheckBottom
184 : input parameter - boolean indicating, if bottom of anchored
185 : object has to be checked and thus, (if needed) the proposed
186 : relative position has to be adjusted. default value <true>
187 : */
188 8248 : inline SwTwips _AdjustVertRelPos( const SwTwips nTopOfAnch,
189 : const bool bVert,
190 : const bool bVertL2R,
191 : const SwFrm& rPageAlignLayFrm,
192 : const SwTwips nProposedRelPosY,
193 : const bool bFollowTextFlow,
194 : const bool bCheckBottom = true ) const
195 : {
196 8248 : return !mbDoNotCaptureAnchoredObj
197 : ? _ImplAdjustVertRelPos( nTopOfAnch, bVert, bVertL2R,
198 : rPageAlignLayFrm,
199 : nProposedRelPosY,
200 : bFollowTextFlow,
201 8248 : bCheckBottom )
202 16496 : : nProposedRelPosY;
203 : }
204 :
205 : /** calculate relative horizontal position
206 :
207 : #i26791# - add output parameter
208 : <_roHoriOffsetToFrmAnchorPos>
209 :
210 : @param _rHoriOrientFrm
211 : input parameter - frame the horizontal position of the object
212 : is oriented at.
213 :
214 : @param _rEnvOfObj
215 : input parameter - object instance to retrieve environment
216 : information about the object
217 :
218 : @param _rHoriOrient
219 : input parameter - horizontal positioning and alignment, for which
220 : the relative position is calculated.
221 :
222 : @param _rLRSpacing
223 : input parameter - left and right spacing of the object to the text
224 :
225 : @param _rULSpacing
226 : input parameter - upper and lower spacing of the object to the text
227 :
228 : @param _bObjWrapThrough
229 : input parameter - boolean indicating, if object has wrap mode
230 : 'wrap through'.
231 :
232 : @param _nRelPosY
233 : input parameter - relative vertical position
234 :
235 : @param _roHoriOffsetToFrmAnchorPos
236 : output parameter - 'horizontal' offset to frame anchor position
237 : according to the alignment
238 :
239 : @return relative horizontal position in SwTwips
240 : */
241 : SwTwips _CalcRelPosX( const SwFrm& _rHoriOrientFrm,
242 : const SwEnvironmentOfAnchoredObject& _rEnvOfObj,
243 : const SwFmtHoriOrient& _rHoriOrient,
244 : const SvxLRSpaceItem& _rLRSpacing,
245 : const SvxULSpaceItem& _rULSpacing,
246 : const bool _bObjWrapThrough,
247 : const SwTwips _nRelPosY,
248 : SwTwips& _roHoriOffsetToFrmAnchorPos
249 : ) const;
250 :
251 : /** adjust calculated horizontal in order to keep object inside
252 : 'page' alignment layout frame for object type position TO_CNTNT
253 :
254 : #i62875# - made inline, intrinsic actions moved
255 : to private method <_ImplAdjustHoriRelPos>, which is only
256 : called, if <mbDoNotCaptureAnchoredObj> not set.
257 :
258 : @param _rPageAlignLayFrm
259 : input parameter - layout frame, which determines the 'page area'
260 : the object has to be horizontal positioned in.
261 :
262 : @param _nProposedRelPosX
263 : input parameter - proposed relative horizontal position, which
264 : will be adjusted.
265 :
266 : @return adjusted relative horizontal position in SwTwips.
267 : */
268 8248 : inline SwTwips _AdjustHoriRelPos( const SwFrm& _rPageAlignLayFrm,
269 : const SwTwips _nProposedRelPosX ) const
270 : {
271 8248 : return !mbDoNotCaptureAnchoredObj
272 : ? _ImplAdjustHoriRelPos( _rPageAlignLayFrm, _nProposedRelPosX )
273 8248 : : _nProposedRelPosX;
274 : }
275 :
276 : /** toggle given horizontal orientation and relative alignment
277 :
278 : @param _bToggleLeftRight
279 : input parameter - boolean indicating, if horizontal orientation
280 : and relative alignment has to be toggled.
281 :
282 : @param _ioeHoriOrient
283 : input/output parameter - horizontal orientation, that is toggled,
284 : if needed.
285 :
286 : @param _iopeRelOrient
287 : optional input/output parameter (default value NULL)
288 : - if set, relative alignment, that is toggled, if needed.
289 : */
290 : void _ToggleHoriOrientAndAlign( const bool _bToggleLeftRight,
291 : sal_Int16& _ioeHoriOrient,
292 : sal_Int16& _iopeRelOrient
293 : ) const;
294 :
295 : /** determine alignment values for horizontal position of object
296 :
297 : @param _rHoriOrientFrm
298 : input parameter - frame the horizontal position of the object
299 : is oriented at.
300 :
301 : @param _rPageAlignLayFrm
302 : input parameter - layout frame, which determines the 'page area'
303 : the object has to be horizontal positioned in.
304 :
305 : @param _eRelOrient
306 : input parameter - horizontal relative alignment, for which
307 : the relative position is calculated.
308 :
309 : @param _bToggleLeftRight
310 : input parameter - boolean indicating, if left/right alignments
311 : have to be toggled.
312 :
313 : @param _bObjWrapThrough
314 : input parameter - boolean indicating, if object has wrap mode
315 : 'wrap through'.
316 : important note: value is only relevant, if _rHoriOrientFrm is
317 : a text frame.
318 :
319 : @param _orAlignAreaWidth
320 : output parameter - width in SwTwips of the area the horizontal
321 : position is aligned to.
322 :
323 : @param _orAlignAreaOffset
324 : output parameter - offset in SwTwips of the area the horizontal
325 : position is aligned to. offset is given to the 'left' of the
326 : anchor position.
327 :
328 : @param _obAlignedRelToPage
329 : output parameter - boolean indicating, that object is aligned
330 : to 'page area'.
331 : */
332 : void _GetHoriAlignmentValues( const SwFrm& _rHoriOrientFrm,
333 : const SwFrm& _rPageAlignLayFrm,
334 : const sal_Int16 _eRelOrient,
335 : const bool _bObjWrapThrough,
336 : SwTwips& _orAlignAreaWidth,
337 : SwTwips& _orAlignAreaOffset,
338 : bool& _obAlignedRelToPage ) const;
339 :
340 : /** adjust calculated horizontal position in order to draw object
341 : aside other objects with same positioning
342 :
343 : @param _rHoriOrientFrm
344 : input parameter - frame the horizontal position of the object
345 : is oriented at.
346 :
347 : @param _nProposedRelPosX
348 : input parameter - proposed relative horizontal position, which
349 : will be adjusted.
350 :
351 : @param _nRelPosY
352 : input parameter - relative vertical position
353 :
354 : @param _eHoriOrient
355 : input parameter - horizontal position of object
356 :
357 : @param _eRelOrient
358 : inpt parameter - alignment of object
359 :
360 : @param _rLRSpacing
361 : input parameter - left and right spacing of the object to the text
362 :
363 : @param _rULSpacing
364 : input parameter - upper and lower spacing of the object to the text
365 :
366 : @param _bEvenPage
367 : input parameter - boolean indicating, if object is on an even page.
368 :
369 : @return adjusted relative horizontal position in SwTwips
370 : */
371 : SwTwips _AdjustHoriRelPosForDrawAside( const SwFrm& _rHoriOrientFrm,
372 : const SwTwips _nProposedRelPosX,
373 : const SwTwips _nRelPosY,
374 : const sal_Int16 _eHoriOrient,
375 : const sal_Int16 _eRelOrient,
376 : const SvxLRSpaceItem& _rLRSpacing,
377 : const SvxULSpaceItem& _rULSpacing,
378 : const bool _bEvenPage
379 : ) const;
380 :
381 : /** detemine, if object has to draw aside given fly frame
382 :
383 : method used by <_AdjustHoriRelPosForDrawAside(..)>
384 :
385 : @param _pFly
386 : input parameter - fly frame the draw aside check is done for.
387 :
388 : @param _rObjRect
389 : input parameter - proposed object rectangle
390 :
391 : @param _pObjContext
392 : input parameter - context of the object
393 :
394 : @param _nObjIndex
395 : input parameter - index of the anchor frame of the object
396 :
397 : @param _bEvenPage
398 : input parameter - boolean indicating, if object is on an even page.
399 :
400 : @param _eHoriOrient
401 : input parameter - horizontal position of object
402 :
403 : @param _eRelOrient
404 : inpt parameter - alignment of object
405 :
406 : @return boolean indicating, if object has to be drawn aside
407 : given fly frame.
408 : */
409 : bool _DrawAsideFly( const SwFlyFrm* _pFly,
410 : const SwRect& _rObjRect,
411 : const SwFrm* _pObjContext,
412 : const sal_uLong _nObjIndex,
413 : const bool _bEvenPage,
414 : const sal_Int16 _eHoriOrient,
415 : const sal_Int16 _eRelOrient
416 : ) const;
417 :
418 : /** determine, if object has to draw aside another object
419 :
420 : the different alignments of the objects determines, if one has
421 : to draw aside another one. Thus, the given alignment are checked
422 : against each other, which one has to be drawn aside the other one.
423 : depending on parameter _bLeft check is done for left or right
424 : positioning.
425 : method used by <_DrawAsideFly(..)>
426 :
427 : @param _eRelOrient1
428 : input parameter - alignment 1
429 :
430 : @param _eRelOrient2
431 : input parameter - alignment 2
432 :
433 : @param _bLeft
434 : input parameter - boolean indicating, if check is done for left
435 : or for right positioning.
436 :
437 : @return boolean indicating, if an object with an alignment
438 : <_eRelOrient1> has to be drawn aside an object with an
439 : alignment <_eRelOrient2>
440 : */
441 : bool _Minor( sal_Int16 _eRelOrient1,
442 : sal_Int16 _eRelOrient2,
443 : bool _bLeft ) const;
444 :
445 : public:
446 : virtual void CalcPosition() = 0;
447 : };
448 : }
449 :
450 : #endif
451 :
452 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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