2 * RichEdit - Basic operations on double linked lists.
4 * Copyright 2004 by Krzysztof Foltman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 WINE_DEFAULT_DEBUG_CHANNEL(richedit_lists);
26 void ME_InsertBefore(ME_DisplayItem *diWhere, ME_DisplayItem *diWhat)
28 diWhat->next = diWhere;
29 diWhat->prev = diWhere->prev;
31 diWhere->prev->next = diWhat;
32 diWhat->next->prev = diWhat;
35 void ME_Remove(ME_DisplayItem *diWhere)
37 ME_DisplayItem *diNext = diWhere->next;
38 ME_DisplayItem *diPrev = diWhere->prev;
41 diPrev->next = diNext;
42 diNext->prev = diPrev;
45 static BOOL ME_DITypesEqual(ME_DIType type, ME_DIType nTypeOrClass)
47 if (type==nTypeOrClass)
49 if (nTypeOrClass==diRunOrParagraph && (type==diRun || type==diParagraph))
51 if (nTypeOrClass==diRunOrStartRow && (type==diRun || type==diStartRow))
53 if (nTypeOrClass==diParagraphOrEnd && (type==diTextEnd || type==diParagraph))
55 if (nTypeOrClass==diStartRowOrParagraph && (type==diStartRow || type==diParagraph))
57 if (nTypeOrClass==diStartRowOrParagraphOrEnd
58 && (type==diStartRow || type==diParagraph || type==diTextEnd))
60 if (nTypeOrClass==diRunOrParagraphOrEnd
61 && (type==diRun || type==diParagraph || type==diTextEnd))
66 ME_DisplayItem *ME_FindItemBack(ME_DisplayItem *di, ME_DIType nTypeOrClass)
72 if (ME_DITypesEqual(di->type, nTypeOrClass))
79 ME_DisplayItem *ME_FindItemBackOrHere(ME_DisplayItem *di, ME_DIType nTypeOrClass)
82 if (ME_DITypesEqual(di->type, nTypeOrClass))
89 ME_DisplayItem *ME_FindItemFwd(ME_DisplayItem *di, ME_DIType nTypeOrClass)
94 if (ME_DITypesEqual(di->type, nTypeOrClass))
101 void ME_DestroyDisplayItem(ME_DisplayItem *item) {
102 /* TRACE("type=%s\n", ME_GetDITypeName(item->type)); */
103 if (item->type==diParagraph || item->type == diUndoSetParagraphFormat) {
104 FREE_OBJ(item->member.para.pFmt);
106 if (item->type==diRun || item->type == diUndoInsertRun) {
107 if (item->member.run.ole_obj) ME_DeleteReObject(item->member.run.ole_obj);
108 ME_ReleaseStyle(item->member.run.style);
109 ME_DestroyString(item->member.run.strText);
111 if (item->type==diUndoSetCharFormat) {
112 ME_ReleaseStyle(item->member.ustyle);
114 if (item->type==diUndoSplitParagraph) {
115 FREE_OBJ(item->member.para.pFmt);
116 FREE_OBJ(item->member.para.pCell);
121 ME_DisplayItem *ME_MakeDI(ME_DIType type) {
122 ME_DisplayItem *item = ALLOC_OBJ(ME_DisplayItem);
123 ZeroMemory(item, sizeof(ME_DisplayItem));
125 item->prev = item->next = NULL;
126 if (type == diParagraph || type == diUndoSplitParagraph) {
127 item->member.para.pFmt = ALLOC_OBJ(PARAFORMAT2);
128 ME_SetDefaultParaFormat(item->member.para.pFmt);
129 item->member.para.nFlags = MEPF_REWRAP;
135 const char *ME_GetDITypeName(ME_DIType type)
139 case diParagraph: return "diParagraph";
140 case diRun: return "diRun";
141 case diCell: return "diCell";
142 case diTextStart: return "diTextStart";
143 case diTextEnd: return "diTextEnd";
144 case diStartRow: return "diStartRow";
145 case diUndoEndTransaction: return "diUndoEndTransaction";
146 case diUndoPotentialEndTransaction: return "diUndoPotentialEndTransaction";
147 case diUndoSetParagraphFormat: return "diUndoSetParagraphFormat";
148 case diUndoSetCharFormat: return "diUndoSetCharFormat";
149 case diUndoInsertRun: return "diUndoInsertRun";
150 case diUndoDeleteRun: return "diUndoDeleteRun";
151 case diUndoJoinParagraphs: return "diJoinParagraphs";
152 case diUndoSplitParagraph: return "diSplitParagraph";
157 void ME_DumpDocument(ME_TextBuffer *buffer)
159 /* FIXME this is useless, */
160 ME_DisplayItem *pItem = buffer->pFirst;
161 TRACE("DOCUMENT DUMP START\n");
169 TRACE("Cell(level=%d%s)\n", pItem->member.cell.nNestingLevel,
170 !pItem->member.cell.next_cell ? ", END" :
171 (!pItem->member.cell.prev_cell ? ", START" :""));
174 TRACE("Paragraph(ofs=%d)\n", pItem->member.para.nCharOfs);
175 if (pItem->member.para.nFlags & MEPF_ROWSTART)
176 TRACE(" - (Table Row Start)\n");
177 if (pItem->member.para.nFlags & MEPF_ROWEND)
178 TRACE(" - (Table Row End)\n");
181 TRACE(" - StartRow\n");
184 TRACE(" - Run(\"%s\", %d, flags=%x)\n", debugstr_w(pItem->member.run.strText->szData),
185 pItem->member.run.nCharOfs, pItem->member.run.nFlags);
188 TRACE("End(ofs=%d)\n", pItem->member.para.nCharOfs);
195 TRACE("DOCUMENT DUMP END\n");