1016 lines
34 KiB
C
1016 lines
34 KiB
C
/*
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* RichEdit - functions working on paragraphs of text (diParagraph).
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*
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* Copyright 2004 by Krzysztof Foltman
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* Copyright 2006 by Phil Krylov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "editor.h"
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WINE_DEFAULT_DEBUG_CHANNEL(richedit);
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void mark_para_rewrap(ME_TextEditor *editor, ME_DisplayItem *para)
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{
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para->member.para.nFlags |= MEPF_REWRAP;
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add_marked_para(editor, para);
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}
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ME_DisplayItem *get_di_from_para(ME_Paragraph *para)
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{
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return (ME_DisplayItem *)((ptrdiff_t)para - offsetof(ME_DisplayItem, member));
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}
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static ME_DisplayItem *make_para(ME_TextEditor *editor)
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{
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ME_DisplayItem *item = ME_MakeDI(diParagraph);
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ME_SetDefaultParaFormat(editor, &item->member.para.fmt);
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item->member.para.nFlags = MEPF_REWRAP;
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item->member.para.next_marked = item->member.para.prev_marked = NULL;
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return item;
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}
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void destroy_para(ME_TextEditor *editor, ME_DisplayItem *item)
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{
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assert(item->type == diParagraph);
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if (item->member.para.nWidth == editor->nTotalWidth)
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{
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item->member.para.nWidth = 0;
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editor->nTotalWidth = get_total_width(editor);
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}
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editor->total_rows -= item->member.para.nRows;
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ME_DestroyString(item->member.para.text);
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para_num_clear( &item->member.para.para_num );
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remove_marked_para(editor, item);
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ME_DestroyDisplayItem(item);
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}
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int get_total_width(ME_TextEditor *editor)
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{
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ME_Paragraph *para;
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int total_width = 0;
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if (editor->pBuffer->pFirst && editor->pBuffer->pLast)
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{
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para = &editor->pBuffer->pFirst->next->member.para;
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while (para != &editor->pBuffer->pLast->member.para && para->next_para)
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{
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total_width = max(total_width, para->nWidth);
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para = ¶->next_para->member.para;
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}
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}
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return total_width;
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}
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void remove_marked_para(ME_TextEditor *editor, ME_DisplayItem *di)
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{
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ME_DisplayItem *head = editor->first_marked_para;
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assert(di->type == diParagraph);
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if (!di->member.para.next_marked && !di->member.para.prev_marked)
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{
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if (di == head)
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editor->first_marked_para = NULL;
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}
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else if (di->member.para.next_marked && di->member.para.prev_marked)
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{
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di->member.para.prev_marked->member.para.next_marked = di->member.para.next_marked;
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di->member.para.next_marked->member.para.prev_marked = di->member.para.prev_marked;
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di->member.para.prev_marked = di->member.para.next_marked = NULL;
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}
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else if (di->member.para.next_marked)
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{
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assert(di == editor->first_marked_para);
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editor->first_marked_para = di->member.para.next_marked;
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di->member.para.next_marked->member.para.prev_marked = NULL;
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di->member.para.next_marked = NULL;
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}
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else
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{
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di->member.para.prev_marked->member.para.next_marked = NULL;
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di->member.para.prev_marked = NULL;
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}
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}
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void add_marked_para(ME_TextEditor *editor, ME_DisplayItem *di)
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{
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ME_DisplayItem *iter = editor->first_marked_para;
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if (!iter)
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{
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editor->first_marked_para = di;
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return;
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}
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while (iter)
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{
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if (iter == di)
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return;
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else if (di->member.para.nCharOfs < iter->member.para.nCharOfs)
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{
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if (iter == editor->first_marked_para)
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editor->first_marked_para = di;
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di->member.para.next_marked = iter;
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iter->member.para.prev_marked = di;
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break;
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}
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else if (di->member.para.nCharOfs >= iter->member.para.nCharOfs)
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{
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if (!iter->member.para.next_marked ||
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(iter->member.para.next_marked &&
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di->member.para.nCharOfs < iter->member.para.next_marked->member.para.nCharOfs))
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{
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if (iter->member.para.next_marked)
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{
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di->member.para.next_marked = iter->member.para.next_marked;
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iter->member.para.next_marked->member.para.prev_marked = di;
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}
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di->member.para.prev_marked = iter;
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iter->member.para.next_marked = di;
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break;
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}
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}
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iter = iter->member.para.next_marked;
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}
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}
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void ME_MakeFirstParagraph(ME_TextEditor *editor)
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{
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static const WCHAR cr_lf[] = {'\r','\n',0};
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ME_Context c;
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CHARFORMAT2W cf;
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const CHARFORMATW *host_cf;
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LOGFONTW lf;
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HFONT hf;
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ME_TextBuffer *text = editor->pBuffer;
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ME_DisplayItem *para = make_para(editor);
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ME_DisplayItem *run;
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ME_Style *style;
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int eol_len;
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ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
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hf = GetStockObject(SYSTEM_FONT);
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assert(hf);
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GetObjectW(hf, sizeof(LOGFONTW), &lf);
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ZeroMemory(&cf, sizeof(cf));
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cf.cbSize = sizeof(cf);
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cf.dwMask = CFM_ANIMATION|CFM_BACKCOLOR|CFM_CHARSET|CFM_COLOR|CFM_FACE|CFM_KERNING|CFM_LCID|CFM_OFFSET;
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cf.dwMask |= CFM_REVAUTHOR|CFM_SIZE|CFM_SPACING|CFM_STYLE|CFM_UNDERLINETYPE|CFM_WEIGHT;
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cf.dwMask |= CFM_ALLCAPS|CFM_BOLD|CFM_DISABLED|CFM_EMBOSS|CFM_HIDDEN;
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cf.dwMask |= CFM_IMPRINT|CFM_ITALIC|CFM_LINK|CFM_OUTLINE|CFM_PROTECTED;
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cf.dwMask |= CFM_REVISED|CFM_SHADOW|CFM_SMALLCAPS|CFM_STRIKEOUT;
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cf.dwMask |= CFM_SUBSCRIPT|CFM_UNDERLINE;
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cf.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
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lstrcpyW(cf.szFaceName, lf.lfFaceName);
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/* Convert system font height from logical units to twips for cf.yHeight */
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cf.yHeight = (lf.lfHeight * 72 * 1440) / (c.dpi.cy * c.dpi.cy);
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if (lf.lfWeight > FW_NORMAL) cf.dwEffects |= CFE_BOLD;
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cf.wWeight = lf.lfWeight;
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if (lf.lfItalic) cf.dwEffects |= CFE_ITALIC;
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if (lf.lfUnderline) cf.dwEffects |= CFE_UNDERLINE;
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cf.bUnderlineType = CFU_UNDERLINE;
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if (lf.lfStrikeOut) cf.dwEffects |= CFE_STRIKEOUT;
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cf.bPitchAndFamily = lf.lfPitchAndFamily;
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cf.bCharSet = lf.lfCharSet;
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cf.lcid = GetSystemDefaultLCID();
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style = ME_MakeStyle(&cf);
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text->pDefaultStyle = style;
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if (ITextHost_TxGetCharFormat(editor->texthost, &host_cf) == S_OK)
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{
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ZeroMemory(&cf, sizeof(cf));
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cf.cbSize = sizeof(cf);
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cfany_to_cf2w(&cf, (CHARFORMAT2W *)host_cf);
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ME_SetDefaultCharFormat(editor, &cf);
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}
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eol_len = editor->bEmulateVersion10 ? 2 : 1;
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para->member.para.text = ME_MakeStringN( cr_lf, eol_len );
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run = ME_MakeRun(style, MERF_ENDPARA);
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run->member.run.nCharOfs = 0;
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run->member.run.len = eol_len;
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run->member.run.para = ¶->member.para;
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para->member.para.eop_run = &run->member.run;
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ME_InsertBefore(text->pLast, para);
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ME_InsertBefore(text->pLast, run);
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para->member.para.prev_para = text->pFirst;
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para->member.para.next_para = text->pLast;
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text->pFirst->member.para.next_para = para;
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text->pLast->member.para.prev_para = para;
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text->pLast->member.para.nCharOfs = editor->bEmulateVersion10 ? 2 : 1;
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add_marked_para(editor, para);
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ME_DestroyContext(&c);
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}
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static void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
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{
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while(first != last)
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{
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mark_para_rewrap(editor, first);
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first = first->member.para.next_para;
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}
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}
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void ME_MarkAllForWrapping(ME_TextEditor *editor)
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{
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ME_MarkForWrapping(editor, editor->pBuffer->pFirst->member.para.next_para, editor->pBuffer->pLast);
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}
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static void ME_UpdateTableFlags(ME_DisplayItem *para)
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{
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para->member.para.fmt.dwMask |= PFM_TABLE|PFM_TABLEROWDELIMITER;
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if (para->member.para.pCell) {
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para->member.para.nFlags |= MEPF_CELL;
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} else {
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para->member.para.nFlags &= ~MEPF_CELL;
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}
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if (para->member.para.nFlags & MEPF_ROWEND) {
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para->member.para.fmt.wEffects |= PFE_TABLEROWDELIMITER;
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} else {
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para->member.para.fmt.wEffects &= ~PFE_TABLEROWDELIMITER;
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}
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if (para->member.para.nFlags & (MEPF_ROWSTART|MEPF_CELL|MEPF_ROWEND))
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para->member.para.fmt.wEffects |= PFE_TABLE;
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else
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para->member.para.fmt.wEffects &= ~PFE_TABLE;
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}
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static inline BOOL para_num_same_list( const PARAFORMAT2 *item, const PARAFORMAT2 *base )
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{
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return item->wNumbering == base->wNumbering &&
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item->wNumberingStart == base->wNumberingStart &&
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item->wNumberingStyle == base->wNumberingStyle &&
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!(item->wNumberingStyle & PFNS_NEWNUMBER);
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}
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static int para_num_get_num( ME_Paragraph *para )
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{
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ME_DisplayItem *prev;
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int num = para->fmt.wNumberingStart;
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for (prev = para->prev_para; prev->type == diParagraph;
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para = &prev->member.para, prev = prev->member.para.prev_para, num++)
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{
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if (!para_num_same_list( &prev->member.para.fmt, ¶->fmt )) break;
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}
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return num;
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}
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static ME_String *para_num_get_str( ME_Paragraph *para, WORD num )
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{
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/* max 4 Roman letters (representing '8') / decade + '(' + ')' */
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ME_String *str = ME_MakeStringEmpty( 20 + 2 );
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WCHAR *p;
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static const WCHAR fmtW[] = {'%', 'd', 0};
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static const WORD letter_base[] = { 1, 26, 26 * 26, 26 * 26 * 26 };
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/* roman_base should start on a '5' not a '1', otherwise the 'total' code will need adjusting.
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'N' and 'O' are what MS uses for 5000 and 10000, their version doesn't work well above 30000,
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but we'll use 'P' as the obvious extension, this gets us up to 2^16, which is all we care about. */
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static const struct
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{
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int base;
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char letter;
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}
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roman_base[] =
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{
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{50000, 'P'}, {10000, 'O'}, {5000, 'N'}, {1000, 'M'},
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{500, 'D'}, {100, 'C'}, {50, 'L'}, {10, 'X'}, {5, 'V'}, {1, 'I'}
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};
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int i, len;
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WORD letter, total, char_offset = 0;
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if (!str) return NULL;
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p = str->szData;
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if ((para->fmt.wNumberingStyle & 0xf00) == PFNS_PARENS)
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*p++ = '(';
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switch (para->fmt.wNumbering)
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{
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case PFN_ARABIC:
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default:
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p += sprintfW( p, fmtW, num );
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break;
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case PFN_LCLETTER:
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char_offset = 'a' - 'A';
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/* fall through */
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case PFN_UCLETTER:
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if (!num) num = 1;
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/* This is not base-26 (or 27) as zeros don't count unless they are leading zeros.
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It's simplest to start with the least significant letter, so first calculate how many letters are needed. */
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for (i = 0, total = 0; i < ARRAY_SIZE( letter_base ); i++)
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{
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total += letter_base[i];
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if (num < total) break;
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}
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len = i;
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for (i = 0; i < len; i++)
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{
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num -= letter_base[i];
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letter = (num / letter_base[i]) % 26;
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p[len - i - 1] = letter + 'A' + char_offset;
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}
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p += len;
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*p = 0;
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break;
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case PFN_LCROMAN:
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char_offset = 'a' - 'A';
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/* fall through */
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case PFN_UCROMAN:
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if (!num) num = 1;
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for (i = 0; i < ARRAY_SIZE( roman_base ); i++)
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{
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if (i > 0)
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{
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if (i % 2 == 0) /* eg 5000, check for 9000 */
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total = roman_base[i].base + 4 * roman_base[i + 1].base;
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else /* eg 1000, check for 4000 */
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total = 4 * roman_base[i].base;
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if (num / total)
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{
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*p++ = roman_base[(i & ~1) + 1].letter + char_offset;
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*p++ = roman_base[i - 1].letter + char_offset;
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num -= total;
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continue;
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}
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}
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len = num / roman_base[i].base;
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while (len--)
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{
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*p++ = roman_base[i].letter + char_offset;
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num -= roman_base[i].base;
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}
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}
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*p = 0;
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break;
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}
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switch (para->fmt.wNumberingStyle & 0xf00)
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{
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case PFNS_PARENS:
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case PFNS_PAREN:
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*p++ = ')';
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*p = 0;
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break;
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case PFNS_PERIOD:
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*p++ = '.';
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*p = 0;
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break;
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}
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str->nLen = p - str->szData;
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return str;
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}
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void para_num_init( ME_Context *c, ME_Paragraph *para )
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{
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ME_Style *style;
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CHARFORMAT2W cf;
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static const WCHAR bullet_font[] = {'S','y','m','b','o','l',0};
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static const WCHAR bullet_str[] = {0xb7, 0};
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static const WCHAR spaceW[] = {' ', 0};
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HFONT old_font;
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SIZE sz;
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if (para->para_num.style && para->para_num.text) return;
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if (!para->para_num.style)
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{
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style = para->eop_run->style;
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if (para->fmt.wNumbering == PFN_BULLET)
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{
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cf.cbSize = sizeof(cf);
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cf.dwMask = CFM_FACE | CFM_CHARSET;
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memcpy( cf.szFaceName, bullet_font, sizeof(bullet_font) );
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cf.bCharSet = SYMBOL_CHARSET;
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style = ME_ApplyStyle( c->editor, style, &cf );
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}
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else
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{
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ME_AddRefStyle( style );
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}
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para->para_num.style = style;
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}
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if (!para->para_num.text)
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{
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if (para->fmt.wNumbering != PFN_BULLET)
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para->para_num.text = para_num_get_str( para, para_num_get_num( para ) );
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else
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para->para_num.text = ME_MakeStringConst( bullet_str, 1 );
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}
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old_font = ME_SelectStyleFont( c, para->para_num.style );
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GetTextExtentPointW( c->hDC, para->para_num.text->szData, para->para_num.text->nLen, &sz );
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para->para_num.width = sz.cx;
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GetTextExtentPointW( c->hDC, spaceW, 1, &sz );
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para->para_num.width += sz.cx;
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ME_UnselectStyleFont( c, para->para_num.style, old_font );
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}
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void para_num_clear( struct para_num *pn )
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{
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if (pn->style)
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{
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ME_ReleaseStyle( pn->style );
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pn->style = NULL;
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}
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ME_DestroyString( pn->text );
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pn->text = NULL;
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}
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static void para_num_clear_list( ME_TextEditor *editor, ME_Paragraph *para, const PARAFORMAT2 *orig_fmt )
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{
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do
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{
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mark_para_rewrap(editor, get_di_from_para(para));
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para_num_clear( ¶->para_num );
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if (para->next_para->type != diParagraph) break;
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para = ¶->next_para->member.para;
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} while (para_num_same_list( ¶->fmt, orig_fmt ));
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}
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static BOOL ME_SetParaFormat(ME_TextEditor *editor, ME_Paragraph *para, const PARAFORMAT2 *pFmt)
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{
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PARAFORMAT2 copy;
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DWORD dwMask;
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assert(para->fmt.cbSize == sizeof(PARAFORMAT2));
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dwMask = pFmt->dwMask;
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if (pFmt->cbSize < sizeof(PARAFORMAT))
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return FALSE;
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else if (pFmt->cbSize < sizeof(PARAFORMAT2))
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dwMask &= PFM_ALL;
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else
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dwMask &= PFM_ALL2;
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add_undo_set_para_fmt( editor, para );
|
|
|
|
copy = para->fmt;
|
|
|
|
#define COPY_FIELD(m, f) \
|
|
if (dwMask & (m)) { \
|
|
para->fmt.dwMask |= m; \
|
|
para->fmt.f = pFmt->f; \
|
|
}
|
|
|
|
COPY_FIELD(PFM_NUMBERING, wNumbering);
|
|
COPY_FIELD(PFM_STARTINDENT, dxStartIndent);
|
|
if (dwMask & PFM_OFFSETINDENT)
|
|
para->fmt.dxStartIndent += pFmt->dxStartIndent;
|
|
COPY_FIELD(PFM_RIGHTINDENT, dxRightIndent);
|
|
COPY_FIELD(PFM_OFFSET, dxOffset);
|
|
COPY_FIELD(PFM_ALIGNMENT, wAlignment);
|
|
if (dwMask & PFM_TABSTOPS)
|
|
{
|
|
para->fmt.cTabCount = pFmt->cTabCount;
|
|
memcpy(para->fmt.rgxTabs, pFmt->rgxTabs, pFmt->cTabCount*sizeof(LONG));
|
|
}
|
|
|
|
#define EFFECTS_MASK (PFM_RTLPARA|PFM_KEEP|PFM_KEEPNEXT|PFM_PAGEBREAKBEFORE| \
|
|
PFM_NOLINENUMBER|PFM_NOWIDOWCONTROL|PFM_DONOTHYPHEN|PFM_SIDEBYSIDE| \
|
|
PFM_TABLE)
|
|
/* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
|
|
if (dwMask & EFFECTS_MASK)
|
|
{
|
|
para->fmt.dwMask |= dwMask & EFFECTS_MASK;
|
|
para->fmt.wEffects &= ~HIWORD(dwMask);
|
|
para->fmt.wEffects |= pFmt->wEffects & HIWORD(dwMask);
|
|
}
|
|
#undef EFFECTS_MASK
|
|
|
|
COPY_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
|
|
COPY_FIELD(PFM_SPACEAFTER, dySpaceAfter);
|
|
COPY_FIELD(PFM_LINESPACING, dyLineSpacing);
|
|
COPY_FIELD(PFM_STYLE, sStyle);
|
|
COPY_FIELD(PFM_LINESPACING, bLineSpacingRule);
|
|
COPY_FIELD(PFM_SHADING, wShadingWeight);
|
|
COPY_FIELD(PFM_SHADING, wShadingStyle);
|
|
COPY_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
|
|
COPY_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
|
|
COPY_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
|
|
COPY_FIELD(PFM_BORDER, wBorderSpace);
|
|
COPY_FIELD(PFM_BORDER, wBorderWidth);
|
|
COPY_FIELD(PFM_BORDER, wBorders);
|
|
|
|
para->fmt.dwMask |= dwMask;
|
|
#undef COPY_FIELD
|
|
|
|
if (memcmp(©, ¶->fmt, sizeof(PARAFORMAT2)))
|
|
{
|
|
mark_para_rewrap(editor, get_di_from_para(para));
|
|
if (((dwMask & PFM_NUMBERING) && (copy.wNumbering != para->fmt.wNumbering)) ||
|
|
((dwMask & PFM_NUMBERINGSTART) && (copy.wNumberingStart != para->fmt.wNumberingStart)) ||
|
|
((dwMask & PFM_NUMBERINGSTYLE) && (copy.wNumberingStyle != para->fmt.wNumberingStyle)))
|
|
{
|
|
para_num_clear_list( editor, para, © );
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* split paragraph at the beginning of the run */
|
|
ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *run,
|
|
ME_Style *style, const WCHAR *eol_str, int eol_len,
|
|
int paraFlags)
|
|
{
|
|
ME_DisplayItem *next_para = NULL;
|
|
ME_DisplayItem *run_para = NULL;
|
|
ME_DisplayItem *new_para = make_para(editor);
|
|
ME_DisplayItem *end_run;
|
|
int ofs, i;
|
|
ME_DisplayItem *pp;
|
|
int run_flags = MERF_ENDPARA;
|
|
|
|
if (!editor->bEmulateVersion10) { /* v4.1 */
|
|
/* At most 1 of MEPF_CELL, MEPF_ROWSTART, or MEPF_ROWEND should be set. */
|
|
assert(!(paraFlags & ~(MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
|
|
assert(!(paraFlags & (paraFlags-1)));
|
|
if (paraFlags == MEPF_CELL)
|
|
run_flags |= MERF_ENDCELL;
|
|
else if (paraFlags == MEPF_ROWSTART)
|
|
run_flags |= MERF_TABLESTART|MERF_HIDDEN;
|
|
} else { /* v1.0 - v3.0 */
|
|
assert(!(paraFlags & (MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
|
|
}
|
|
assert(run->type == diRun);
|
|
run_para = ME_GetParagraph(run);
|
|
assert(run_para->member.para.fmt.cbSize == sizeof(PARAFORMAT2));
|
|
|
|
/* Clear any cached para numbering following this paragraph */
|
|
if (run_para->member.para.fmt.wNumbering)
|
|
para_num_clear_list( editor, &run_para->member.para, &run_para->member.para.fmt );
|
|
|
|
new_para->member.para.text = ME_VSplitString( run_para->member.para.text, run->member.run.nCharOfs );
|
|
|
|
end_run = ME_MakeRun(style, run_flags);
|
|
ofs = end_run->member.run.nCharOfs = run->member.run.nCharOfs;
|
|
end_run->member.run.len = eol_len;
|
|
end_run->member.run.para = run->member.run.para;
|
|
ME_AppendString( run_para->member.para.text, eol_str, eol_len );
|
|
next_para = run_para->member.para.next_para;
|
|
assert(next_para == ME_FindItemFwd(run_para, diParagraphOrEnd));
|
|
|
|
add_undo_join_paras( editor, run_para->member.para.nCharOfs + ofs );
|
|
|
|
/* Update selection cursors to point to the correct paragraph. */
|
|
for (i = 0; i < editor->nCursors; i++) {
|
|
if (editor->pCursors[i].pPara == run_para &&
|
|
run->member.run.nCharOfs <= editor->pCursors[i].pRun->member.run.nCharOfs)
|
|
{
|
|
editor->pCursors[i].pPara = new_para;
|
|
}
|
|
}
|
|
|
|
/* the new paragraph will have a different starting offset, so let's update its runs */
|
|
pp = run;
|
|
while(pp->type == diRun) {
|
|
pp->member.run.nCharOfs -= ofs;
|
|
pp->member.run.para = &new_para->member.para;
|
|
pp = ME_FindItemFwd(pp, diRunOrParagraphOrEnd);
|
|
}
|
|
new_para->member.para.nCharOfs = run_para->member.para.nCharOfs + ofs;
|
|
new_para->member.para.nCharOfs += eol_len;
|
|
new_para->member.para.nFlags = 0;
|
|
mark_para_rewrap(editor, new_para);
|
|
|
|
/* FIXME initialize format style and call ME_SetParaFormat blah blah */
|
|
new_para->member.para.fmt = run_para->member.para.fmt;
|
|
new_para->member.para.border = run_para->member.para.border;
|
|
|
|
/* insert paragraph into paragraph double linked list */
|
|
new_para->member.para.prev_para = run_para;
|
|
new_para->member.para.next_para = next_para;
|
|
run_para->member.para.next_para = new_para;
|
|
next_para->member.para.prev_para = new_para;
|
|
|
|
/* insert end run of the old paragraph, and new paragraph, into DI double linked list */
|
|
ME_InsertBefore(run, new_para);
|
|
ME_InsertBefore(new_para, end_run);
|
|
|
|
/* Fix up the paras' eop_run ptrs */
|
|
new_para->member.para.eop_run = run_para->member.para.eop_run;
|
|
run_para->member.para.eop_run = &end_run->member.run;
|
|
|
|
if (!editor->bEmulateVersion10) { /* v4.1 */
|
|
if (paraFlags & (MEPF_ROWSTART|MEPF_CELL))
|
|
{
|
|
ME_DisplayItem *cell = ME_MakeDI(diCell);
|
|
ME_InsertBefore(new_para, cell);
|
|
new_para->member.para.pCell = cell;
|
|
cell->member.cell.next_cell = NULL;
|
|
if (paraFlags & MEPF_ROWSTART)
|
|
{
|
|
run_para->member.para.nFlags |= MEPF_ROWSTART;
|
|
cell->member.cell.prev_cell = NULL;
|
|
cell->member.cell.parent_cell = run_para->member.para.pCell;
|
|
if (run_para->member.para.pCell)
|
|
cell->member.cell.nNestingLevel = run_para->member.para.pCell->member.cell.nNestingLevel + 1;
|
|
else
|
|
cell->member.cell.nNestingLevel = 1;
|
|
} else {
|
|
cell->member.cell.prev_cell = run_para->member.para.pCell;
|
|
assert(cell->member.cell.prev_cell);
|
|
cell->member.cell.prev_cell->member.cell.next_cell = cell;
|
|
assert(run_para->member.para.nFlags & MEPF_CELL);
|
|
assert(!(run_para->member.para.nFlags & MEPF_ROWSTART));
|
|
cell->member.cell.nNestingLevel = cell->member.cell.prev_cell->member.cell.nNestingLevel;
|
|
cell->member.cell.parent_cell = cell->member.cell.prev_cell->member.cell.parent_cell;
|
|
}
|
|
} else if (paraFlags & MEPF_ROWEND) {
|
|
run_para->member.para.nFlags |= MEPF_ROWEND;
|
|
run_para->member.para.pCell = run_para->member.para.pCell->member.cell.parent_cell;
|
|
new_para->member.para.pCell = run_para->member.para.pCell;
|
|
assert(run_para->member.para.prev_para->member.para.nFlags & MEPF_CELL);
|
|
assert(!(run_para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART));
|
|
if (new_para->member.para.pCell != new_para->member.para.next_para->member.para.pCell
|
|
&& new_para->member.para.next_para->member.para.pCell
|
|
&& !new_para->member.para.next_para->member.para.pCell->member.cell.prev_cell)
|
|
{
|
|
/* Row starts just after the row that was ended. */
|
|
new_para->member.para.nFlags |= MEPF_ROWSTART;
|
|
}
|
|
} else {
|
|
new_para->member.para.pCell = run_para->member.para.pCell;
|
|
}
|
|
ME_UpdateTableFlags(run_para);
|
|
ME_UpdateTableFlags(new_para);
|
|
}
|
|
|
|
/* force rewrap of the */
|
|
if (run_para->member.para.prev_para->type == diParagraph)
|
|
mark_para_rewrap(editor, run_para->member.para.prev_para);
|
|
|
|
mark_para_rewrap(editor, new_para->member.para.prev_para);
|
|
|
|
/* we've added the end run, so we need to modify nCharOfs in the next paragraphs */
|
|
ME_PropagateCharOffset(next_para, eol_len);
|
|
editor->nParagraphs++;
|
|
|
|
return new_para;
|
|
}
|
|
|
|
/* join tp with tp->member.para.next_para, keeping tp's style; this
|
|
* is consistent with the original */
|
|
ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp,
|
|
BOOL keepFirstParaFormat)
|
|
{
|
|
ME_DisplayItem *pNext, *pFirstRunInNext, *pRun, *pTmp, *pCell = NULL;
|
|
int i, shift;
|
|
int end_len;
|
|
CHARFORMAT2W fmt;
|
|
ME_Cursor startCur, endCur;
|
|
ME_String *eol_str;
|
|
|
|
assert(tp->type == diParagraph);
|
|
assert(tp->member.para.next_para);
|
|
assert(tp->member.para.next_para->type == diParagraph);
|
|
|
|
/* Clear any cached para numbering following this paragraph */
|
|
if (tp->member.para.fmt.wNumbering)
|
|
para_num_clear_list( editor, &tp->member.para, &tp->member.para.fmt );
|
|
|
|
pNext = tp->member.para.next_para;
|
|
|
|
/* Need to locate end-of-paragraph run here, in order to know end_len */
|
|
pRun = ME_FindItemBack(pNext, diRunOrParagraph);
|
|
|
|
assert(pRun);
|
|
assert(pRun->type == diRun);
|
|
assert(pRun->member.run.nFlags & MERF_ENDPARA);
|
|
|
|
end_len = pRun->member.run.len;
|
|
eol_str = ME_VSplitString( tp->member.para.text, pRun->member.run.nCharOfs );
|
|
ME_AppendString( tp->member.para.text, pNext->member.para.text->szData, pNext->member.para.text->nLen );
|
|
|
|
/* null char format operation to store the original char format for the ENDPARA run */
|
|
ME_InitCharFormat2W(&fmt);
|
|
endCur.pPara = pNext;
|
|
endCur.pRun = ME_FindItemFwd(pNext, diRun);
|
|
endCur.nOffset = 0;
|
|
startCur = endCur;
|
|
ME_PrevRun(&startCur.pPara, &startCur.pRun, TRUE);
|
|
ME_SetCharFormat(editor, &startCur, &endCur, &fmt);
|
|
|
|
if (!editor->bEmulateVersion10) { /* v4.1 */
|
|
/* Table cell/row properties are always moved over from the removed para. */
|
|
tp->member.para.nFlags = pNext->member.para.nFlags;
|
|
tp->member.para.pCell = pNext->member.para.pCell;
|
|
|
|
/* Remove cell boundary if it is between the end paragraph run and the next
|
|
* paragraph display item. */
|
|
for (pTmp = pRun->next; pTmp != pNext; pTmp = pTmp->next)
|
|
{
|
|
if (pTmp->type == diCell)
|
|
{
|
|
pCell = pTmp;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
add_undo_split_para( editor, &pNext->member.para, eol_str, pCell ? &pCell->member.cell : NULL );
|
|
|
|
if (pCell)
|
|
{
|
|
ME_Remove( pCell );
|
|
if (pCell->member.cell.prev_cell)
|
|
pCell->member.cell.prev_cell->member.cell.next_cell = pCell->member.cell.next_cell;
|
|
if (pCell->member.cell.next_cell)
|
|
pCell->member.cell.next_cell->member.cell.prev_cell = pCell->member.cell.prev_cell;
|
|
ME_DestroyDisplayItem( pCell );
|
|
}
|
|
|
|
if (!keepFirstParaFormat)
|
|
{
|
|
add_undo_set_para_fmt( editor, &tp->member.para );
|
|
tp->member.para.fmt = pNext->member.para.fmt;
|
|
tp->member.para.border = pNext->member.para.border;
|
|
}
|
|
|
|
shift = pNext->member.para.nCharOfs - tp->member.para.nCharOfs - end_len;
|
|
|
|
pFirstRunInNext = ME_FindItemFwd(pNext, diRunOrParagraph);
|
|
|
|
assert(pFirstRunInNext->type == diRun);
|
|
|
|
/* Update selection cursors so they don't point to the removed end
|
|
* paragraph run, and point to the correct paragraph. */
|
|
for (i=0; i < editor->nCursors; i++) {
|
|
if (editor->pCursors[i].pRun == pRun) {
|
|
editor->pCursors[i].pRun = pFirstRunInNext;
|
|
editor->pCursors[i].nOffset = 0;
|
|
} else if (editor->pCursors[i].pPara == pNext) {
|
|
editor->pCursors[i].pPara = tp;
|
|
}
|
|
}
|
|
|
|
pTmp = pNext;
|
|
do {
|
|
pTmp = ME_FindItemFwd(pTmp, diRunOrParagraphOrEnd);
|
|
if (pTmp->type != diRun)
|
|
break;
|
|
TRACE("shifting %s by %d (previous %d)\n", debugstr_run( &pTmp->member.run ), shift, pTmp->member.run.nCharOfs);
|
|
pTmp->member.run.nCharOfs += shift;
|
|
pTmp->member.run.para = &tp->member.para;
|
|
} while(1);
|
|
|
|
/* Fix up the para's eop_run ptr */
|
|
tp->member.para.eop_run = pNext->member.para.eop_run;
|
|
|
|
ME_Remove(pRun);
|
|
ME_DestroyDisplayItem(pRun);
|
|
|
|
if (editor->pLastSelStartPara == pNext)
|
|
editor->pLastSelStartPara = tp;
|
|
if (editor->pLastSelEndPara == pNext)
|
|
editor->pLastSelEndPara = tp;
|
|
|
|
tp->member.para.next_para = pNext->member.para.next_para;
|
|
pNext->member.para.next_para->member.para.prev_para = tp;
|
|
ME_Remove(pNext);
|
|
destroy_para(editor, pNext);
|
|
|
|
ME_PropagateCharOffset(tp->member.para.next_para, -end_len);
|
|
|
|
ME_CheckCharOffsets(editor);
|
|
|
|
editor->nParagraphs--;
|
|
mark_para_rewrap(editor, tp);
|
|
return tp;
|
|
}
|
|
|
|
ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *item) {
|
|
return ME_FindItemBackOrHere(item, diParagraph);
|
|
}
|
|
|
|
void ME_DumpParaStyleToBuf(const PARAFORMAT2 *pFmt, char buf[2048])
|
|
{
|
|
char *p;
|
|
p = buf;
|
|
|
|
#define DUMP(mask, name, fmt, field) \
|
|
if (pFmt->dwMask & (mask)) p += sprintf(p, "%-22s" fmt "\n", name, pFmt->field); \
|
|
else p += sprintf(p, "%-22sN/A\n", name);
|
|
|
|
/* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
|
|
#define DUMP_EFFECT(mask, name) \
|
|
p += sprintf(p, "%-22s%s\n", name, (pFmt->dwMask & (mask)) ? ((pFmt->wEffects & ((mask) >> 16)) ? "yes" : "no") : "N/A");
|
|
|
|
DUMP(PFM_NUMBERING, "Numbering:", "%u", wNumbering);
|
|
DUMP_EFFECT(PFM_DONOTHYPHEN, "Disable auto-hyphen:");
|
|
DUMP_EFFECT(PFM_KEEP, "No page break in para:");
|
|
DUMP_EFFECT(PFM_KEEPNEXT, "No page break in para & next:");
|
|
DUMP_EFFECT(PFM_NOLINENUMBER, "No line number:");
|
|
DUMP_EFFECT(PFM_NOWIDOWCONTROL, "No widow & orphan:");
|
|
DUMP_EFFECT(PFM_PAGEBREAKBEFORE, "Page break before:");
|
|
DUMP_EFFECT(PFM_RTLPARA, "RTL para:");
|
|
DUMP_EFFECT(PFM_SIDEBYSIDE, "Side by side:");
|
|
DUMP_EFFECT(PFM_TABLE, "Table:");
|
|
DUMP(PFM_OFFSETINDENT, "Offset indent:", "%d", dxStartIndent);
|
|
DUMP(PFM_STARTINDENT, "Start indent:", "%d", dxStartIndent);
|
|
DUMP(PFM_RIGHTINDENT, "Right indent:", "%d", dxRightIndent);
|
|
DUMP(PFM_OFFSET, "Offset:", "%d", dxOffset);
|
|
if (pFmt->dwMask & PFM_ALIGNMENT) {
|
|
switch (pFmt->wAlignment) {
|
|
case PFA_LEFT : p += sprintf(p, "Alignment: left\n"); break;
|
|
case PFA_RIGHT : p += sprintf(p, "Alignment: right\n"); break;
|
|
case PFA_CENTER : p += sprintf(p, "Alignment: center\n"); break;
|
|
case PFA_JUSTIFY: p += sprintf(p, "Alignment: justify\n"); break;
|
|
default : p += sprintf(p, "Alignment: incorrect %d\n", pFmt->wAlignment); break;
|
|
}
|
|
}
|
|
else p += sprintf(p, "Alignment: N/A\n");
|
|
DUMP(PFM_TABSTOPS, "Tab Stops:", "%d", cTabCount);
|
|
if (pFmt->dwMask & PFM_TABSTOPS) {
|
|
int i;
|
|
p += sprintf(p, "\t");
|
|
for (i = 0; i < pFmt->cTabCount; i++) p += sprintf(p, "%x ", pFmt->rgxTabs[i]);
|
|
p += sprintf(p, "\n");
|
|
}
|
|
DUMP(PFM_SPACEBEFORE, "Space Before:", "%d", dySpaceBefore);
|
|
DUMP(PFM_SPACEAFTER, "Space After:", "%d", dySpaceAfter);
|
|
DUMP(PFM_LINESPACING, "Line spacing:", "%d", dyLineSpacing);
|
|
DUMP(PFM_STYLE, "Text style:", "%d", sStyle);
|
|
DUMP(PFM_LINESPACING, "Line spacing rule:", "%u", bLineSpacingRule);
|
|
/* bOutlineLevel should be 0 */
|
|
DUMP(PFM_SHADING, "Shading Weight:", "%u", wShadingWeight);
|
|
DUMP(PFM_SHADING, "Shading Style:", "%u", wShadingStyle);
|
|
DUMP(PFM_NUMBERINGSTART, "Numbering Start:", "%u", wNumberingStart);
|
|
DUMP(PFM_NUMBERINGSTYLE, "Numbering Style:", "0x%x", wNumberingStyle);
|
|
DUMP(PFM_NUMBERINGTAB, "Numbering Tab:", "%u", wNumberingStyle);
|
|
DUMP(PFM_BORDER, "Border Space:", "%u", wBorderSpace);
|
|
DUMP(PFM_BORDER, "Border Width:", "%u", wBorderWidth);
|
|
DUMP(PFM_BORDER, "Borders:", "%u", wBorders);
|
|
|
|
#undef DUMP
|
|
#undef DUMP_EFFECT
|
|
}
|
|
|
|
void
|
|
ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end)
|
|
{
|
|
ME_Cursor *pEndCursor = &editor->pCursors[1];
|
|
|
|
*para = editor->pCursors[0].pPara;
|
|
*para_end = editor->pCursors[1].pPara;
|
|
if (*para == *para_end)
|
|
return;
|
|
|
|
if ((*para_end)->member.para.nCharOfs < (*para)->member.para.nCharOfs) {
|
|
ME_DisplayItem *tmp = *para;
|
|
|
|
*para = *para_end;
|
|
*para_end = tmp;
|
|
pEndCursor = &editor->pCursors[0];
|
|
}
|
|
|
|
/* The paragraph at the end of a non-empty selection isn't included
|
|
* if the selection ends at the start of the paragraph. */
|
|
if (!pEndCursor->pRun->member.run.nCharOfs && !pEndCursor->nOffset)
|
|
*para_end = (*para_end)->member.para.prev_para;
|
|
}
|
|
|
|
|
|
BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt)
|
|
{
|
|
ME_DisplayItem *para, *para_end;
|
|
|
|
ME_GetSelectionParas(editor, ¶, ¶_end);
|
|
|
|
do {
|
|
ME_SetParaFormat(editor, ¶->member.para, pFmt);
|
|
if (para == para_end)
|
|
break;
|
|
para = para->member.para.next_para;
|
|
} while(1);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void ME_GetParaFormat(ME_TextEditor *editor,
|
|
const ME_DisplayItem *para,
|
|
PARAFORMAT2 *pFmt)
|
|
{
|
|
UINT cbSize = pFmt->cbSize;
|
|
if (pFmt->cbSize >= sizeof(PARAFORMAT2)) {
|
|
*pFmt = para->member.para.fmt;
|
|
} else {
|
|
CopyMemory(pFmt, ¶->member.para.fmt, pFmt->cbSize);
|
|
pFmt->dwMask &= PFM_ALL;
|
|
}
|
|
pFmt->cbSize = cbSize;
|
|
}
|
|
|
|
void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
|
|
{
|
|
ME_DisplayItem *para, *para_end;
|
|
PARAFORMAT2 *curFmt;
|
|
|
|
if (pFmt->cbSize < sizeof(PARAFORMAT)) {
|
|
pFmt->dwMask = 0;
|
|
return;
|
|
}
|
|
|
|
ME_GetSelectionParas(editor, ¶, ¶_end);
|
|
|
|
ME_GetParaFormat(editor, para, pFmt);
|
|
|
|
/* Invalidate values that change across the selected paragraphs. */
|
|
while (para != para_end)
|
|
{
|
|
para = para->member.para.next_para;
|
|
curFmt = ¶->member.para.fmt;
|
|
|
|
#define CHECK_FIELD(m, f) \
|
|
if (pFmt->f != curFmt->f) pFmt->dwMask &= ~(m);
|
|
|
|
CHECK_FIELD(PFM_NUMBERING, wNumbering);
|
|
CHECK_FIELD(PFM_STARTINDENT, dxStartIndent);
|
|
CHECK_FIELD(PFM_RIGHTINDENT, dxRightIndent);
|
|
CHECK_FIELD(PFM_OFFSET, dxOffset);
|
|
CHECK_FIELD(PFM_ALIGNMENT, wAlignment);
|
|
if (pFmt->dwMask & PFM_TABSTOPS) {
|
|
if (pFmt->cTabCount != para->member.para.fmt.cTabCount ||
|
|
memcmp(pFmt->rgxTabs, curFmt->rgxTabs, curFmt->cTabCount*sizeof(int)))
|
|
pFmt->dwMask &= ~PFM_TABSTOPS;
|
|
}
|
|
|
|
if (pFmt->dwMask >= sizeof(PARAFORMAT2))
|
|
{
|
|
pFmt->dwMask &= ~((pFmt->wEffects ^ curFmt->wEffects) << 16);
|
|
CHECK_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
|
|
CHECK_FIELD(PFM_SPACEAFTER, dySpaceAfter);
|
|
CHECK_FIELD(PFM_LINESPACING, dyLineSpacing);
|
|
CHECK_FIELD(PFM_STYLE, sStyle);
|
|
CHECK_FIELD(PFM_SPACEAFTER, bLineSpacingRule);
|
|
CHECK_FIELD(PFM_SHADING, wShadingWeight);
|
|
CHECK_FIELD(PFM_SHADING, wShadingStyle);
|
|
CHECK_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
|
|
CHECK_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
|
|
CHECK_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
|
|
CHECK_FIELD(PFM_BORDER, wBorderSpace);
|
|
CHECK_FIELD(PFM_BORDER, wBorderWidth);
|
|
CHECK_FIELD(PFM_BORDER, wBorders);
|
|
}
|
|
#undef CHECK_FIELD
|
|
}
|
|
}
|
|
|
|
void ME_SetDefaultParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
|
|
{
|
|
const PARAFORMAT2 *host_fmt;
|
|
HRESULT hr;
|
|
|
|
ZeroMemory(pFmt, sizeof(PARAFORMAT2));
|
|
pFmt->cbSize = sizeof(PARAFORMAT2);
|
|
pFmt->dwMask = PFM_ALL2;
|
|
pFmt->wAlignment = PFA_LEFT;
|
|
pFmt->sStyle = -1;
|
|
pFmt->bOutlineLevel = TRUE;
|
|
|
|
hr = ITextHost_TxGetParaFormat( editor->texthost, (const PARAFORMAT **)&host_fmt );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
/* Just use the alignment for now */
|
|
if (host_fmt->dwMask & PFM_ALIGNMENT)
|
|
pFmt->wAlignment = host_fmt->wAlignment;
|
|
ITextHost_OnTxParaFormatChange( editor->texthost, (PARAFORMAT *)pFmt );
|
|
}
|
|
}
|