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_INC_HTMLTBL_HXX
21 #define INCLUDED_SW_INC_HTMLTBL_HXX
22
23 #include <memory>
24 #include <vcl/timer.hxx>
25 #include <editeng/svxenum.hxx>
26
27 #include "swtypes.hxx"
28 #include "node.hxx"
29
30 class SwTableBox;
31 class SwTable;
32 class SwHTMLTableLayout;
33 class SwDoc;
34 class SwFrameFormat;
35
36 #define HTMLTABLE_RESIZE_NOW (ULONG_MAX)
37
38 class SwHTMLTableLayoutCnts
39 {
40 std::shared_ptr<SwHTMLTableLayoutCnts> xNext; ///< The next content.
41
42 /// Only one of the following two pointers may be set!
43 SwTableBox *pBox; ///< A Box.
44 std::shared_ptr<SwHTMLTableLayout> xTable; ///< A "table within a table".
45
46 /** During first run there are still no boxes. In this case
47 pStartNode is used instead of pBox. */
48 const SwStartNode *pStartNode;
49
50 /** The following counters indicate how often a pass has been
51 done for this content. Therefore they are compared against
52 a reference value. If 255 is reached the continue with 0.
53 This avoids reinitialization on every resize. */
54 sal_uInt8 nPass1Done; ///< How many times has Pass 1 been called?
55 sal_uInt8 nWidthSet; ///< How many times has the width been set?
56
57 bool const bNoBreakTag; ///< <NOBR>-Tag over complete content.
58
59 public:
60
61 SwHTMLTableLayoutCnts(const SwStartNode* pSttNd, std::shared_ptr<SwHTMLTableLayout> const& rTab,
62 bool bNoBreakTag, std::shared_ptr<SwHTMLTableLayoutCnts> const& rNxt);
63
SetTableBox(SwTableBox * pBx)64 void SetTableBox( SwTableBox *pBx ) { pBox = pBx; }
GetTableBox() const65 SwTableBox *GetTableBox() const { return pBox; }
66
GetTable() const67 SwHTMLTableLayout *GetTable() const { return xTable.get(); }
68
69 const SwStartNode *GetStartNode() const;
70
71 /// Calculation of next node.
GetNext() const72 const std::shared_ptr<SwHTMLTableLayoutCnts>& GetNext() const { return xNext; }
73
SetWidthSet(sal_uInt8 nRef)74 void SetWidthSet( sal_uInt8 nRef ) { nWidthSet = nRef; }
IsWidthSet(sal_uInt8 nRef) const75 bool IsWidthSet( sal_uInt8 nRef ) const { return nRef==nWidthSet; }
76
SetPass1Done(sal_uInt8 nRef)77 void SetPass1Done( sal_uInt8 nRef ) { nPass1Done = nRef; }
IsPass1Done(sal_uInt8 nRef) const78 bool IsPass1Done( sal_uInt8 nRef ) const { return nRef==nPass1Done; }
79
HasNoBreakTag() const80 bool HasNoBreakTag() const { return bNoBreakTag; }
81 };
82
83 class SwHTMLTableLayoutCell
84 {
85 std::shared_ptr<SwHTMLTableLayoutCnts> xContents; ///< Content of cell.
86
87 sal_uInt16 nRowSpan; ///< ROWSPAN of cell.
88 sal_uInt16 nColSpan; ///< COLSPAN of cell.
89 sal_uInt16 const nWidthOption; ///< Given width of cell in Twip or %.
90
91 bool const bPrcWidthOption : 1; ///< nWidth is %-value.
92 bool const bNoWrapOption : 1; ///< NOWRAP-option.
93
94 public:
95
96 SwHTMLTableLayoutCell(std::shared_ptr<SwHTMLTableLayoutCnts> const& rCnts,
97 sal_uInt16 nRSpan, sal_uInt16 nCSpan,
98 sal_uInt16 nWidthOpt, bool bPrcWdthOpt,
99 bool bNWrapOpt );
100
101 /// Set or get content of a cell.
SetContents(std::shared_ptr<SwHTMLTableLayoutCnts> const & rCnts)102 void SetContents(std::shared_ptr<SwHTMLTableLayoutCnts> const& rCnts) { xContents = rCnts; }
GetContents() const103 const std::shared_ptr<SwHTMLTableLayoutCnts>& GetContents() const { return xContents; }
104
105 inline void SetProtected();
106
107 /// Set or get ROWSPAN/COLSPAN of cell.
SetRowSpan(sal_uInt16 nRSpan)108 void SetRowSpan( sal_uInt16 nRSpan ) { nRowSpan = nRSpan; }
GetRowSpan() const109 sal_uInt16 GetRowSpan() const { return nRowSpan; }
GetColSpan() const110 sal_uInt16 GetColSpan() const { return nColSpan; }
111
GetWidthOption() const112 sal_uInt16 GetWidthOption() const { return nWidthOption; }
IsPrcWidthOption() const113 bool IsPrcWidthOption() const { return bPrcWidthOption; }
114
HasNoWrapOption() const115 bool HasNoWrapOption() const { return bNoWrapOption; }
116 };
117
118 class SwHTMLTableLayoutColumn
119 {
120
121 /// Interim values of AutoLayoutPass1,
122 sal_uLong nMinNoAlign, nMaxNoAlign, nAbsMinNoAlign;
123
124 /// Results of AutoLayoutPass1
125 sal_uLong nMin, nMax;
126
127 /// Results of Pass 2.
128 sal_uInt16 nAbsColWidth; ///< In Twips.
129 sal_uInt16 nRelColWidth; ///< In Twips or relative to USHRT_MAX.
130
131 sal_uInt16 nWidthOption; ///< Options of <COL> or <TD>/<TH>.
132
133 bool bRelWidthOption : 1;
134 bool const bLeftBorder : 1;
135
136 public:
137
138 SwHTMLTableLayoutColumn( sal_uInt16 nColWidthOpt, bool bRelColWidthOpt,
139 bool bLBorder );
140
141 inline void MergeCellWidthOption( sal_uInt16 nWidth, bool bPrc );
142 inline void SetWidthOption( sal_uInt16 nWidth );
143
GetWidthOption() const144 sal_uInt16 GetWidthOption() const { return nWidthOption; }
IsRelWidthOption() const145 bool IsRelWidthOption() const { return bRelWidthOption; }
146
147 inline void MergeMinMaxNoAlign( sal_uLong nMin, sal_uLong nMax, sal_uLong nAbsMin );
GetMinNoAlign() const148 sal_uLong GetMinNoAlign() const { return nMinNoAlign; }
GetMaxNoAlign() const149 sal_uLong GetMaxNoAlign() const { return nMaxNoAlign; }
GetAbsMinNoAlign() const150 sal_uLong GetAbsMinNoAlign() const { return nAbsMinNoAlign; }
151 inline void ClearPass1Info( bool bWidthOpt );
152
153 inline void SetMinMax( sal_uLong nMin, sal_uLong nMax );
SetMax(sal_uLong nVal)154 void SetMax( sal_uLong nVal ) { nMax = nVal; }
AddToMin(sal_uLong nVal)155 void AddToMin( sal_uLong nVal ) { nMin += nVal; }
AddToMax(sal_uLong nVal)156 void AddToMax( sal_uLong nVal ) { nMax += nVal; }
GetMin() const157 sal_uLong GetMin() const { return nMin; }
GetMax() const158 sal_uLong GetMax() const { return nMax; }
159
SetAbsColWidth(sal_uInt16 nWidth)160 void SetAbsColWidth( sal_uInt16 nWidth ) { nAbsColWidth = nWidth; }
GetAbsColWidth() const161 sal_uInt16 GetAbsColWidth() const { return nAbsColWidth; }
162
SetRelColWidth(sal_uInt16 nWidth)163 void SetRelColWidth( sal_uInt16 nWidth ) { nRelColWidth = nWidth; }
GetRelColWidth() const164 sal_uInt16 GetRelColWidth() const { return nRelColWidth; }
165
HasLeftBorder() const166 bool HasLeftBorder() const { return bLeftBorder; }
167 };
168
169 class SwHTMLTableLayout
170 {
171 Timer m_aResizeTimer; ///< Timer for DelayedResize.
172
173 std::vector<std::unique_ptr<SwHTMLTableLayoutColumn>> m_aColumns;
174 std::vector<std::unique_ptr<SwHTMLTableLayoutCell>> m_aCells;
175
176 const SwTable *m_pSwTable; ///< SwTable (Top-Table only).
177
178 sal_uLong m_nMin; ///< Minimal width of table (Twips).
179 sal_uLong m_nMax; ///< Maximal width of table (Twips).
180
181 sal_uInt16 const m_nRows; ///< Row count.
182 sal_uInt16 m_nCols; ///< Column count.
183
184 sal_uInt16 const m_nLeftMargin; ///< Space to left margin (from paragraph).
185 sal_uInt16 const m_nRightMargin; ///< Space to left margin (from paragraph).
186
187 sal_uInt16 m_nInhAbsLeftSpace; ///< Space inherited from surrounding box
188 sal_uInt16 m_nInhAbsRightSpace; ///< that was added to boxes.
189
190 sal_uInt16 m_nRelLeftFill; ///< Width of boxes relative to alignment
191 sal_uInt16 m_nRelRightFill; ///< of tables in tables.
192
193 sal_uInt16 m_nRelTabWidth; ///< Relative width of table.
194
195 sal_uInt16 m_nWidthOption; ///< Width of table (in Twips or %).
196 sal_uInt16 const m_nCellPadding; ///< Space to contents (in Twips).
197 sal_uInt16 const m_nCellSpacing; ///< Cell spacing (in Twips).
198 sal_uInt16 const m_nBorder; /** Line strength of outer border, or rather the
199 space needed for it as calculated by Netscape. */
200
201 sal_uInt16 const m_nLeftBorderWidth;
202 sal_uInt16 const m_nRightBorderWidth;
203 sal_uInt16 m_nInhLeftBorderWidth;
204 sal_uInt16 m_nInhRightBorderWidth;
205 sal_uInt16 const m_nBorderWidth;
206
207 sal_uInt16 m_nDelayedResizeAbsAvail; ///< Param for delayed Resize.
208 sal_uInt16 m_nLastResizeAbsAvail;
209
210 sal_uInt8 m_nPass1Done; ///< Reference-values for
211 sal_uInt8 m_nWidthSet; ///< the runs through loop.
212
213 SvxAdjust const m_eTableAdjust; ///< Alignment of table.
214
215 bool const m_bColsOption : 1; ///< Table has a COLS-option.
216 bool const m_bColTags : 1; ///< Table has COL/COLGRP tags.
217 bool const m_bPrcWidthOption : 1; ///< Width is given in percent.
218 bool m_bUseRelWidth : 1; ///< SwTable gets relative width.
219
220 bool m_bMustResize : 1; ///< Table width must be defined.
221 bool m_bExportable : 1; ///< Layout may be used for export.
222 bool m_bBordersChanged : 1; ///< Borders have been changed.
223 bool m_bMayBeInFlyFrame : 1; ///< Table could be within frame.
224
225 bool m_bDelayedResizeRecalc : 1; ///< Param for delayed Resize.
226 bool m_bMustNotResize : 1; ///< Table may not be resized.
227 bool m_bMustNotRecalc : 1; ///< Table may not be adapted to its contents.
228
229 void AddBorderWidth( sal_uLong &rMin, sal_uLong &rMax, sal_uLong& rAbsMin,
230 sal_uInt16 nCol, sal_uInt16 nColSpan,
231 bool bSwBorders=true ) const;
232 void SetBoxWidth( SwTableBox *pBox, sal_uInt16 nCol, sal_uInt16 nColSpan ) const;
233
234 const SwStartNode *GetAnyBoxStartNode() const;
235 SwFrameFormat *FindFlyFrameFormat() const;
GetDoc() const236 const SwDoc *GetDoc() const { return GetAnyBoxStartNode()->GetDoc(); }
237
238 void Resize_( sal_uInt16 nAbsAvail, bool bRecalc );
239
240 DECL_LINK( DelayedResize_Impl, Timer*, void );
241
242 static sal_uInt16 GetBrowseWidthByVisArea( const SwDoc& rDoc );
243 public:
244
245 SwHTMLTableLayout( const SwTable *pSwTable,
246 sal_uInt16 nRows, sal_uInt16 nCols, bool bColsOpt, bool ColTgs,
247 sal_uInt16 nWidth, bool bPrcWidth, sal_uInt16 nBorderOpt,
248 sal_uInt16 nCellPad, sal_uInt16 nCellSp, SvxAdjust eAdjust,
249 sal_uInt16 nLMargin, sal_uInt16 nRMargin, sal_uInt16 nBWidth,
250 sal_uInt16 nLeftBWidth, sal_uInt16 nRightBWidth );
251
252 ~SwHTMLTableLayout();
253
254 sal_uInt16 GetLeftCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan,
255 bool bSwBorders=true ) const;
256 sal_uInt16 GetRightCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan,
257 bool bSwBorders=true ) const;
258 inline sal_uInt16 GetInhCellSpace( sal_uInt16 nCol, sal_uInt16 nColSpan ) const;
259
260 inline void SetInhBorderWidths( sal_uInt16 nLeft, sal_uInt16 nRight );
261
262 void GetAvail( sal_uInt16 nCol, sal_uInt16 nColSpan, sal_uInt16& rAbsAvail,
263 sal_uInt16& rRelAvail ) const;
264
265 void AutoLayoutPass1();
266 void AutoLayoutPass2( sal_uInt16 nAbsAvail, sal_uInt16 nRelAvail,
267 sal_uInt16 nAbsLeftSpace, sal_uInt16 nAbsRightSpace,
268 sal_uInt16 nParentInhSpace );
269 void SetWidths( bool bCallPass2=false, sal_uInt16 nAbsAvail=0,
270 sal_uInt16 nRelAvail=0, sal_uInt16 nAbsLeftSpace=0,
271 sal_uInt16 nAbsRightSpace=0,
272 sal_uInt16 nParentInhSpace=0 );
273
274 inline SwHTMLTableLayoutColumn *GetColumn( sal_uInt16 nCol ) const;
275 inline void SetColumn( std::unique_ptr<SwHTMLTableLayoutColumn> pCol, sal_uInt16 nCol );
276
277 inline SwHTMLTableLayoutCell *GetCell( sal_uInt16 nRow, sal_uInt16 nCol ) const;
278 inline void SetCell( std::unique_ptr<SwHTMLTableLayoutCell> pCell, sal_uInt16 nRow, sal_uInt16 nCol );
279
GetMin() const280 sal_uLong GetMin() const { return m_nMin; }
GetMax() const281 sal_uLong GetMax() const { return m_nMax; }
282
283 inline long GetBrowseWidthMin() const;
284
HasColsOption() const285 bool HasColsOption() const { return m_bColsOption; }
HasColTags() const286 bool HasColTags() const { return m_bColTags; }
287
IsTopTable() const288 bool IsTopTable() const { return m_pSwTable != nullptr; }
289
SetMustResize(bool bSet)290 void SetMustResize( bool bSet ) { m_bMustResize = bSet; }
SetMustNotResize(bool bSet)291 void SetMustNotResize( bool bSet ) { m_bMustNotResize = bSet; }
SetMustNotRecalc(bool bSet)292 void SetMustNotRecalc( bool bSet ) { m_bMustNotRecalc = bSet; }
293
294 /** Recalculation of table widths for available width that has been passed.
295 - If bRecalc is set, contents of boxes are included into calculation.
296 - If bForce is set, table will be recalculated even if this was
297 disallowed by SetMustNotResize.
298 - If nDelay > 0 the calculation is delayed accordingly. Resizing calls
299 occurring during delay-time are ignored, but the delay may be counted
300 under certain circumstances.
301 - If nDelay == HTMLTABLE_RESIZE_NOW, resize immediately and do not
302 consider any resize-calls that might possibly be in order.
303 - The return value indicates whether the table has been changed. */
304 bool Resize( sal_uInt16 nAbsAvail, bool bRecalc=false, bool bForce=false,
305 sal_uLong nDelay=0 );
306
307 void BordersChanged( sal_uInt16 nAbsAvail );
308
309 /** Calculate available width. This works only if a layout or a
310 SwViewShell exists. Otherwise returns 0.
311 This is needed by HTML-filter because it doesn't have access to the layout.) */
312 static sal_uInt16 GetBrowseWidth( const SwDoc& rDoc );
313
314 /// Calculates available width by table-frame.
315 sal_uInt16 GetBrowseWidthByTabFrame( const SwTabFrame& rTabFrame ) const;
316
317 /** Calculates available width by the table-frame or
318 static GetBrowseWidth if no layout exists. */
319 sal_uInt16 GetBrowseWidthByTable( const SwDoc& rDoc ) const;
320
321 /// For Export.
GetWidthOption() const322 sal_uInt16 GetWidthOption() const { return m_nWidthOption; }
HasPrcWidthOption() const323 bool HasPrcWidthOption() const { return m_bPrcWidthOption; }
324
GetCellPadding() const325 sal_uInt16 GetCellPadding() const { return m_nCellPadding; }
GetCellSpacing() const326 sal_uInt16 GetCellSpacing() const { return m_nCellSpacing; }
GetBorder() const327 sal_uInt16 GetBorder() const { return m_nBorder; }
328
GetRowCount() const329 sal_uInt16 GetRowCount() const { return m_nRows; }
GetColCount() const330 sal_uInt16 GetColCount() const { return m_nCols; }
331
SetExportable(bool bSet)332 void SetExportable( bool bSet ) { m_bExportable = bSet; }
IsExportable() const333 bool IsExportable() const { return m_bExportable; }
334
HaveBordersChanged() const335 bool HaveBordersChanged() const { return m_bBordersChanged; }
336
SetMayBeInFlyFrame(bool bSet)337 void SetMayBeInFlyFrame( bool bSet ) { m_bMayBeInFlyFrame = bSet; }
MayBeInFlyFrame() const338 bool MayBeInFlyFrame() const { return m_bMayBeInFlyFrame; }
339 };
340
SetProtected()341 inline void SwHTMLTableLayoutCell::SetProtected()
342 {
343 nRowSpan = 1;
344 nColSpan = 1;
345 xContents.reset();
346 }
347
MergeMinMaxNoAlign(sal_uLong nCMin,sal_uLong nCMax,sal_uLong nAbsMin)348 inline void SwHTMLTableLayoutColumn::MergeMinMaxNoAlign( sal_uLong nCMin,
349 sal_uLong nCMax, sal_uLong nAbsMin )
350 {
351 if( nCMin > nMinNoAlign )
352 nMinNoAlign = nCMin;
353 if( nCMax > nMaxNoAlign )
354 nMaxNoAlign = nCMax;
355 if( nAbsMin > nAbsMinNoAlign )
356 nAbsMinNoAlign = nAbsMin;
357 }
358
ClearPass1Info(bool bWidthOpt)359 inline void SwHTMLTableLayoutColumn::ClearPass1Info( bool bWidthOpt )
360 {
361 nMinNoAlign = nMaxNoAlign = nAbsMinNoAlign = MINLAY;
362 nMin = nMax = 0;
363 if( bWidthOpt )
364 {
365 nWidthOption = 0;
366 bRelWidthOption = false;
367 }
368 }
369
MergeCellWidthOption(sal_uInt16 nWidth,bool bRel)370 inline void SwHTMLTableLayoutColumn::MergeCellWidthOption(
371 sal_uInt16 nWidth, bool bRel )
372 {
373 if( !nWidthOption ||
374 (bRel==bRelWidthOption && nWidthOption < nWidth) )
375 {
376 nWidthOption = nWidth;
377 bRelWidthOption = bRel;
378 }
379 }
380
SetMinMax(sal_uLong nMn,sal_uLong nMx)381 inline void SwHTMLTableLayoutColumn::SetMinMax( sal_uLong nMn, sal_uLong nMx )
382 {
383 nMin = nMn;
384 nMax = nMx;
385 }
386
GetInhCellSpace(sal_uInt16 nCol,sal_uInt16 nColSpan) const387 inline sal_uInt16 SwHTMLTableLayout::GetInhCellSpace( sal_uInt16 nCol,
388 sal_uInt16 nColSpan ) const
389 {
390 sal_uInt16 nSpace = 0;
391 if( nCol==0 )
392 nSpace = nSpace + m_nInhAbsLeftSpace;
393 if( nCol+nColSpan==m_nCols )
394 nSpace = nSpace + m_nInhAbsRightSpace;
395
396 return nSpace;
397 }
398
GetColumn(sal_uInt16 nCol) const399 inline SwHTMLTableLayoutColumn *SwHTMLTableLayout::GetColumn( sal_uInt16 nCol ) const
400 {
401 return m_aColumns[nCol].get();
402 }
403
SetWidthOption(sal_uInt16 nWidth)404 inline void SwHTMLTableLayoutColumn::SetWidthOption( sal_uInt16 nWidth )
405 {
406 nWidthOption = nWidth;
407 bRelWidthOption = true;
408 }
409
SetColumn(std::unique_ptr<SwHTMLTableLayoutColumn> pCol,sal_uInt16 nCol)410 inline void SwHTMLTableLayout::SetColumn( std::unique_ptr<SwHTMLTableLayoutColumn> pCol, sal_uInt16 nCol )
411 {
412 m_aColumns[nCol] = std::move(pCol);
413 }
414
GetCell(sal_uInt16 nRow,sal_uInt16 nCol) const415 inline SwHTMLTableLayoutCell *SwHTMLTableLayout::GetCell( sal_uInt16 nRow, sal_uInt16 nCol ) const
416 {
417 return m_aCells[static_cast<size_t>(nRow)*m_nCols+nCol].get();
418 }
419
SetCell(std::unique_ptr<SwHTMLTableLayoutCell> pCell,sal_uInt16 nRow,sal_uInt16 nCol)420 inline void SwHTMLTableLayout::SetCell( std::unique_ptr<SwHTMLTableLayoutCell> pCell,
421 sal_uInt16 nRow, sal_uInt16 nCol )
422 {
423 m_aCells[static_cast<size_t>(nRow)*m_nCols+nCol] = std::move(pCell);
424 }
425
GetBrowseWidthMin() const426 inline long SwHTMLTableLayout::GetBrowseWidthMin() const
427 {
428 return static_cast<long>( (!m_nWidthOption || m_bPrcWidthOption) ? m_nMin : m_nRelTabWidth );
429 }
430
SetInhBorderWidths(sal_uInt16 nLeft,sal_uInt16 nRight)431 void SwHTMLTableLayout::SetInhBorderWidths( sal_uInt16 nLeft, sal_uInt16 nRight )
432 {
433 m_nInhLeftBorderWidth = nLeft;
434 m_nInhRightBorderWidth = nRight;
435 }
436
437 #endif
438
439 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
440