2005-03-05 12:19:14 +01:00
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/*
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* RichEdit - operations on runs (diRun, rectangular pieces of paragraphs).
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* Splitting/joining runs. Adjusting offsets after deleting/adding content.
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* Character/pixel conversions.
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*
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* Copyright 2004 by Krzysztof Foltman
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2006-02-04 17:01:01 +01:00
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* Copyright 2006 by Phil Krylov
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2005-03-05 12:19:14 +01:00
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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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2006-05-18 14:49:52 +02:00
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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2005-03-05 12:19:14 +01:00
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*/
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#include "editor.h"
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WINE_DEFAULT_DEBUG_CHANNEL(richedit);
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2005-10-08 12:33:44 +02:00
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WINE_DECLARE_DEBUG_CHANNEL(richedit_check);
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WINE_DECLARE_DEBUG_CHANNEL(richedit_lists);
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2005-03-05 12:19:14 +01:00
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_CanJoinRuns
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*
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* Returns 1 if two runs can be safely merged into one, 0 otherwise.
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*/
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2007-08-15 22:35:51 +02:00
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int ME_CanJoinRuns(const ME_Run *run1, const ME_Run *run2)
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2005-03-05 12:19:14 +01:00
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{
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2005-04-16 12:48:35 +02:00
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if ((run1->nFlags | run2->nFlags) & MERF_NOJOIN)
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2005-03-05 12:19:14 +01:00
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return 0;
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if (run1->style != run2->style)
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return 0;
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if ((run1->nFlags & MERF_STYLEFLAGS) != (run2->nFlags & MERF_STYLEFLAGS))
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return 0;
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return 1;
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}
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void ME_SkipAndPropagateCharOffset(ME_DisplayItem *p, int shift)
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{
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p = ME_FindItemFwd(p, diRunOrParagraphOrEnd);
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assert(p);
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ME_PropagateCharOffset(p, shift);
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_PropagateCharOffsets
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*
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* Shifts (increases or decreases) character offset (relative to beginning of
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* the document) of the part of the text starting from given place.
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*/
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2005-03-05 12:19:14 +01:00
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void ME_PropagateCharOffset(ME_DisplayItem *p, int shift)
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{
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2006-08-02 20:33:26 +02:00
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/* Runs in one paragraph contain character offset relative to their owning
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* paragraph. If we start the shifting from the run, we need to shift
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* all the relative offsets until the end of the paragraph
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*/
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2005-03-05 12:19:14 +01:00
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if (p->type == diRun) /* propagate in all runs in this para */
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{
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TRACE("PropagateCharOffset(%s, %d)\n", debugstr_w(p->member.run.strText->szData), shift);
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do {
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p->member.run.nCharOfs += shift;
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assert(p->member.run.nCharOfs >= 0);
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p = ME_FindItemFwd(p, diRunOrParagraphOrEnd);
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} while(p->type == diRun);
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}
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2006-08-02 20:33:26 +02:00
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/* Runs in next paragraphs don't need their offsets updated, because they,
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* again, those offsets are relative to their respective paragraphs.
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* Instead of that, we're updating paragraphs' character offsets.
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*/
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2005-03-05 12:19:14 +01:00
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if (p->type == diParagraph) /* propagate in all next paras */
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{
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do {
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p->member.para.nCharOfs += shift;
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assert(p->member.para.nCharOfs >= 0);
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p = p->member.para.next_para;
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} while(p->type == diParagraph);
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}
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2006-08-02 20:33:26 +02:00
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/* diTextEnd also has character offset in it, which makes finding text length
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* easier. But it needs to be up to date first.
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*/
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2005-03-05 12:19:14 +01:00
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if (p->type == diTextEnd)
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{
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p->member.para.nCharOfs += shift;
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assert(p->member.para.nCharOfs >= 0);
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}
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_CheckCharOffsets
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*
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* Checks if editor lists' validity and optionally dumps the document structure
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*/
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2005-03-05 12:19:14 +01:00
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void ME_CheckCharOffsets(ME_TextEditor *editor)
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{
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ME_DisplayItem *p = editor->pBuffer->pFirst;
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int ofs = 0, ofsp = 0;
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2005-10-08 12:33:44 +02:00
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if(TRACE_ON(richedit_lists))
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2005-03-05 12:19:14 +01:00
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{
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2005-10-08 12:33:44 +02:00
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TRACE_(richedit_lists)("---\n");
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2005-03-05 12:19:14 +01:00
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ME_DumpDocument(editor->pBuffer);
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}
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do {
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p = ME_FindItemFwd(p, diRunOrParagraphOrEnd);
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switch(p->type) {
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case diTextEnd:
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2005-10-08 12:33:44 +02:00
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TRACE_(richedit_check)("tend, real ofsp = %d, counted = %d\n", p->member.para.nCharOfs, ofsp+ofs);
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2005-03-05 12:19:14 +01:00
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assert(ofsp+ofs == p->member.para.nCharOfs);
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return;
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case diParagraph:
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2005-10-08 12:33:44 +02:00
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TRACE_(richedit_check)("para, real ofsp = %d, counted = %d\n", p->member.para.nCharOfs, ofsp+ofs);
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2005-03-05 12:19:14 +01:00
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assert(ofsp+ofs == p->member.para.nCharOfs);
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ofsp = p->member.para.nCharOfs;
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ofs = 0;
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break;
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case diRun:
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2006-10-13 21:25:54 +02:00
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TRACE_(richedit_check)("run, real ofs = %d (+ofsp = %d), counted = %d, len = %d, txt = \"%s\", flags=%08x, fx&mask = %08x\n",
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2005-04-16 12:48:35 +02:00
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p->member.run.nCharOfs, p->member.run.nCharOfs+ofsp, ofsp+ofs,
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2005-03-05 12:19:14 +01:00
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p->member.run.strText->nLen, debugstr_w(p->member.run.strText->szData),
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p->member.run.nFlags,
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p->member.run.style->fmt.dwMask & p->member.run.style->fmt.dwEffects);
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assert(ofs == p->member.run.nCharOfs);
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2009-01-28 07:34:56 +01:00
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assert(p->member.run.strText->nLen);
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ofs += p->member.run.strText->nLen;
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2005-03-05 12:19:14 +01:00
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break;
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2008-08-07 18:31:41 +02:00
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case diCell:
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TRACE_(richedit_check)("cell\n");
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break;
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2005-03-05 12:19:14 +01:00
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default:
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assert(0);
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}
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} while(1);
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_CharOfsFromRunOfs
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2009-02-06 07:09:51 +01:00
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*
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2006-08-02 20:33:26 +02:00
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* Converts a character position relative to the start of the run, to a
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* character position relative to the start of the document.
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2009-02-06 07:09:51 +01:00
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* Kind of a "local to global" offset conversion.
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*/
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int ME_CharOfsFromRunOfs(ME_TextEditor *editor, const ME_DisplayItem *pPara,
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const ME_DisplayItem *pRun, int nOfs)
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2005-03-05 12:19:14 +01:00
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{
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2009-02-06 07:09:51 +01:00
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assert(pRun && pRun->type == diRun);
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assert(pPara && pPara->type == diParagraph);
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return pPara->member.para.nCharOfs + pRun->member.run.nCharOfs + nOfs;
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2005-03-05 12:19:14 +01:00
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_CursorFromCharOfs
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2009-01-27 09:39:23 +01:00
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*
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2006-08-02 20:33:26 +02:00
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* Converts a character offset (relative to the start of the document) to
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2009-02-06 07:09:47 +01:00
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* a cursor structure (which contains a run and a position relative to that
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2009-01-27 09:39:23 +01:00
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* run).
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*/
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2005-03-05 12:19:14 +01:00
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void ME_CursorFromCharOfs(ME_TextEditor *editor, int nCharOfs, ME_Cursor *pCursor)
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{
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2009-02-09 18:01:35 +01:00
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ME_RunOfsFromCharOfs(editor, nCharOfs, &pCursor->pPara,
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&pCursor->pRun, &pCursor->nOffset);
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2005-03-05 12:19:14 +01:00
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_RunOfsFromCharOfs
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2009-01-27 09:39:23 +01:00
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*
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2006-08-02 20:33:26 +02:00
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* Find a run and relative character offset given an absolute character offset
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* (absolute offset being an offset relative to the start of the document).
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2009-01-27 09:39:23 +01:00
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* Kind of a "global to local" offset conversion.
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*/
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2009-02-06 07:09:47 +01:00
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void ME_RunOfsFromCharOfs(ME_TextEditor *editor,
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int nCharOfs,
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ME_DisplayItem **ppPara,
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ME_DisplayItem **ppRun,
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int *pOfs)
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2005-03-05 12:19:14 +01:00
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{
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2009-01-27 09:39:23 +01:00
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ME_DisplayItem *item, *next_item;
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2005-04-16 12:48:35 +02:00
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2009-01-27 09:39:23 +01:00
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nCharOfs = max(nCharOfs, 0);
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nCharOfs = min(nCharOfs, ME_GetTextLength(editor));
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/* Find the paragraph at the offset. */
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next_item = editor->pBuffer->pFirst->member.para.next_para;
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do {
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item = next_item;
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next_item = item->member.para.next_para;
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} while (next_item->member.para.nCharOfs <= nCharOfs);
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assert(item->type == diParagraph);
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nCharOfs -= item->member.para.nCharOfs;
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2009-02-06 07:09:47 +01:00
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if (ppPara) *ppPara = item;
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2009-01-27 09:39:23 +01:00
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/* Find the run at the offset. */
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next_item = ME_FindItemFwd(item, diRun);
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do {
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item = next_item;
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next_item = ME_FindItemFwd(item, diRunOrParagraphOrEnd);
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} while (next_item->type == diRun &&
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next_item->member.run.nCharOfs <= nCharOfs);
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assert(item->type == diRun);
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nCharOfs -= item->member.run.nCharOfs;
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2009-02-06 07:09:47 +01:00
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if (ppRun) *ppRun = item;
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if (pOfs) *pOfs = nCharOfs;
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2005-03-05 12:19:14 +01:00
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_JoinRuns
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*
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* Merges two adjacent runs, the one given as a parameter and the next one.
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*/
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2005-03-05 12:19:14 +01:00
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void ME_JoinRuns(ME_TextEditor *editor, ME_DisplayItem *p)
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{
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ME_DisplayItem *pNext = p->next;
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int i;
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assert(p->type == diRun && pNext->type == diRun);
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assert(p->member.run.nCharOfs != -1);
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2005-03-09 19:43:18 +01:00
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ME_GetParagraph(p)->member.para.nFlags |= MEPF_REWRAP;
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2005-03-05 12:19:14 +01:00
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2008-06-23 23:09:58 +02:00
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/* Update all cursors so that they don't contain the soon deleted run */
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2005-03-05 12:19:14 +01:00
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for (i=0; i<editor->nCursors; i++) {
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if (editor->pCursors[i].pRun == pNext) {
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editor->pCursors[i].pRun = p;
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2009-02-07 19:21:17 +01:00
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editor->pCursors[i].nOffset += p->member.run.strText->nLen;
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2005-03-05 12:19:14 +01:00
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}
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}
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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ME_AppendString(p->member.run.strText, pNext->member.run.strText);
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ME_Remove(pNext);
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ME_DestroyDisplayItem(pNext);
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ME_UpdateRunFlags(editor, &p->member.run);
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if(TRACE_ON(richedit))
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{
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TRACE("Before check after join\n");
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ME_CheckCharOffsets(editor);
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TRACE("After check after join\n");
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}
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_SplitRun
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2009-02-09 18:01:35 +01:00
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*
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2006-08-02 20:33:26 +02:00
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* Splits a run into two in a given place. It also updates the screen position
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2009-02-09 18:01:35 +01:00
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* and size (extent) of the newly generated runs.
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*/
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2008-03-16 21:47:08 +01:00
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ME_DisplayItem *ME_SplitRun(ME_WrapContext *wc, ME_DisplayItem *item, int nVChar)
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2005-03-05 12:19:14 +01:00
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{
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2008-03-16 21:47:08 +01:00
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ME_TextEditor *editor = wc->context->editor;
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2005-03-05 12:19:14 +01:00
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ME_DisplayItem *item2 = NULL;
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ME_Run *run, *run2;
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2005-04-16 12:48:35 +02:00
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ME_Paragraph *para = &ME_GetParagraph(item)->member.para;
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2005-03-05 12:19:14 +01:00
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assert(item->member.run.nCharOfs != -1);
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if(TRACE_ON(richedit))
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{
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TRACE("Before check before split\n");
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ME_CheckCharOffsets(editor);
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TRACE("After check before split\n");
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}
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run = &item->member.run;
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|
2006-10-13 21:25:54 +02:00
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TRACE("Before split: %s(%d, %d)\n", debugstr_w(run->strText->szData),
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2005-03-05 12:19:14 +01:00
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run->pt.x, run->pt.y);
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item2 = ME_SplitRunSimple(editor, item, nVChar);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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run2 = &item2->member.run;
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2005-04-16 12:48:35 +02:00
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2008-03-16 21:47:08 +01:00
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ME_CalcRunExtent(wc->context, para, wc->nRow ? wc->nLeftMargin : wc->nFirstMargin, run);
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ME_CalcRunExtent(wc->context, para, wc->nRow ? wc->nLeftMargin : wc->nFirstMargin, run2);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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run2->pt.x = run->pt.x+run->nWidth;
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run2->pt.y = run->pt.y;
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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if(TRACE_ON(richedit))
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{
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TRACE("Before check after split\n");
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ME_CheckCharOffsets(editor);
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|
|
TRACE("After check after split\n");
|
2006-10-13 21:25:54 +02:00
|
|
|
TRACE("After split: %s(%d, %d), %s(%d, %d)\n",
|
2005-03-05 12:19:14 +01:00
|
|
|
debugstr_w(run->strText->szData), run->pt.x, run->pt.y,
|
|
|
|
debugstr_w(run2->strText->szData), run2->pt.x, run2->pt.y);
|
|
|
|
}
|
|
|
|
|
|
|
|
return item2;
|
|
|
|
}
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_SplitRunSimple
|
|
|
|
*
|
|
|
|
* Does the most basic job of splitting a run into two - it does not
|
|
|
|
* update the positions and extents.
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_DisplayItem *ME_SplitRunSimple(ME_TextEditor *editor, ME_DisplayItem *item, int nVChar)
|
|
|
|
{
|
|
|
|
ME_Run *run = &item->member.run;
|
|
|
|
ME_DisplayItem *item2;
|
|
|
|
ME_Run *run2;
|
|
|
|
int i;
|
2009-02-07 19:21:17 +01:00
|
|
|
assert(nVChar > 0 && nVChar < run->strText->nLen);
|
2005-03-05 12:19:14 +01:00
|
|
|
assert(item->type == diRun);
|
2006-02-04 17:01:01 +01:00
|
|
|
assert(!(item->member.run.nFlags & MERF_NONTEXT));
|
2005-03-05 12:19:14 +01:00
|
|
|
assert(item->member.run.nCharOfs != -1);
|
|
|
|
|
2005-04-16 12:48:35 +02:00
|
|
|
item2 = ME_MakeRun(run->style,
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_VSplitString(run->strText, nVChar), run->nFlags&MERF_SPLITMASK);
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2009-02-07 19:21:10 +01:00
|
|
|
item2->member.run.nCharOfs = item->member.run.nCharOfs + nVChar;
|
2005-03-05 12:19:14 +01:00
|
|
|
|
|
|
|
run2 = &item2->member.run;
|
|
|
|
ME_InsertBefore(item->next, item2);
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_UpdateRunFlags(editor, run);
|
|
|
|
ME_UpdateRunFlags(editor, run2);
|
|
|
|
for (i=0; i<editor->nCursors; i++) {
|
2005-04-16 12:48:35 +02:00
|
|
|
if (editor->pCursors[i].pRun == item &&
|
2005-03-05 12:19:14 +01:00
|
|
|
editor->pCursors[i].nOffset >= nVChar) {
|
|
|
|
assert(item2->type == diRun);
|
|
|
|
editor->pCursors[i].pRun = item2;
|
|
|
|
editor->pCursors[i].nOffset -= nVChar;
|
|
|
|
}
|
|
|
|
}
|
2005-03-09 12:48:59 +01:00
|
|
|
ME_GetParagraph(item)->member.para.nFlags |= MEPF_REWRAP;
|
2005-03-05 12:19:14 +01:00
|
|
|
return item2;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_MakeRun
|
|
|
|
*
|
|
|
|
* A helper function to create run structures quickly.
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags)
|
|
|
|
{
|
|
|
|
ME_DisplayItem *item = ME_MakeDI(diRun);
|
|
|
|
item->member.run.style = s;
|
2008-01-27 19:01:41 +01:00
|
|
|
item->member.run.ole_obj = NULL;
|
2005-03-05 12:19:14 +01:00
|
|
|
item->member.run.strText = strData;
|
|
|
|
item->member.run.nFlags = nFlags;
|
|
|
|
item->member.run.nCharOfs = -1;
|
|
|
|
ME_AddRefStyle(s);
|
|
|
|
return item;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_InsertRun
|
|
|
|
*
|
|
|
|
* Inserts a run at a given character position (offset).
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_DisplayItem *ME_InsertRun(ME_TextEditor *editor, int nCharOfs, ME_DisplayItem *pItem)
|
|
|
|
{
|
|
|
|
ME_Cursor tmp;
|
|
|
|
ME_DisplayItem *pDI;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
assert(pItem->type == diRun || pItem->type == diUndoInsertRun);
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2006-01-10 12:10:49 +01:00
|
|
|
ME_CursorFromCharOfs(editor, nCharOfs, &tmp);
|
|
|
|
pDI = ME_InsertRunAtCursor(editor, &tmp, pItem->member.run.style,
|
|
|
|
pItem->member.run.strText->szData,
|
|
|
|
pItem->member.run.strText->nLen,
|
|
|
|
pItem->member.run.nFlags);
|
|
|
|
|
|
|
|
return pDI;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_InsertRunAtCursor
|
2009-02-09 18:01:35 +01:00
|
|
|
*
|
2006-08-02 20:33:26 +02:00
|
|
|
* Inserts a new run with given style, flags and content at a given position,
|
|
|
|
* which is passed as a cursor structure (which consists of a run and
|
2009-02-09 18:01:35 +01:00
|
|
|
* a run-relative character offset).
|
|
|
|
*/
|
2006-01-10 12:10:49 +01:00
|
|
|
ME_DisplayItem *
|
|
|
|
ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor, ME_Style *style,
|
|
|
|
const WCHAR *str, int len, int flags)
|
|
|
|
{
|
|
|
|
ME_DisplayItem *pDI;
|
|
|
|
ME_UndoItem *pUI;
|
2009-02-09 18:01:35 +01:00
|
|
|
|
2006-01-10 12:10:49 +01:00
|
|
|
if (cursor->nOffset) {
|
2006-08-02 20:33:26 +02:00
|
|
|
/* We're inserting at the middle of the existing run, which means that
|
|
|
|
* that run must be split. It isn't always necessary, but */
|
2006-01-10 12:10:49 +01:00
|
|
|
cursor->pRun = ME_SplitRunSimple(editor, cursor->pRun, cursor->nOffset);
|
|
|
|
cursor->nOffset = 0;
|
|
|
|
}
|
2009-02-09 18:01:35 +01:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
pUI = ME_AddUndoItem(editor, diUndoDeleteRun, NULL);
|
2005-03-11 11:24:56 +01:00
|
|
|
if (pUI) {
|
2009-02-09 18:01:35 +01:00
|
|
|
pUI->nStart = cursor->pPara->member.para.nCharOfs
|
|
|
|
+ cursor->pRun->member.run.nCharOfs;
|
2006-01-10 12:10:49 +01:00
|
|
|
pUI->nLen = len;
|
2005-03-11 11:24:56 +01:00
|
|
|
}
|
2009-02-09 18:01:35 +01:00
|
|
|
|
2006-01-10 12:10:49 +01:00
|
|
|
pDI = ME_MakeRun(style, ME_MakeStringN(str, len), flags);
|
|
|
|
pDI->member.run.nCharOfs = cursor->pRun->member.run.nCharOfs;
|
|
|
|
ME_InsertBefore(cursor->pRun, pDI);
|
|
|
|
TRACE("Shift length:%d\n", len);
|
|
|
|
ME_PropagateCharOffset(cursor->pRun, len);
|
2009-02-09 18:01:35 +01:00
|
|
|
cursor->pPara->member.para.nFlags |= MEPF_REWRAP;
|
2005-03-05 12:19:14 +01:00
|
|
|
return pDI;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_UpdateRunFlags
|
2009-02-07 19:21:23 +01:00
|
|
|
*
|
2006-08-02 20:33:26 +02:00
|
|
|
* Determine some of run attributes given its content (style, text content).
|
2009-02-07 19:21:23 +01:00
|
|
|
* Some flags cannot be determined by this function (MERF_GRAPHICS,
|
|
|
|
* MERF_ENDPARA)
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run)
|
|
|
|
{
|
2009-02-07 19:21:23 +01:00
|
|
|
ME_String *strText = run->strText;
|
|
|
|
assert(run->nCharOfs >= 0);
|
2006-01-31 13:01:26 +01:00
|
|
|
|
2008-08-07 18:31:41 +02:00
|
|
|
if (RUN_IS_HIDDEN(run) || run->nFlags & MERF_TABLESTART)
|
2006-01-31 13:01:26 +01:00
|
|
|
run->nFlags |= MERF_HIDDEN;
|
|
|
|
else
|
|
|
|
run->nFlags &= ~MERF_HIDDEN;
|
|
|
|
|
2009-02-07 19:21:23 +01:00
|
|
|
if (ME_IsSplitable(strText))
|
2005-03-05 12:19:14 +01:00
|
|
|
run->nFlags |= MERF_SPLITTABLE;
|
|
|
|
else
|
|
|
|
run->nFlags &= ~MERF_SPLITTABLE;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
|
|
|
if (!(run->nFlags & MERF_NOTEXT)) {
|
2009-02-07 19:21:23 +01:00
|
|
|
if (ME_IsWhitespaces(strText))
|
2005-03-05 12:19:14 +01:00
|
|
|
run->nFlags |= MERF_WHITESPACE | MERF_STARTWHITE | MERF_ENDWHITE;
|
|
|
|
else
|
|
|
|
{
|
|
|
|
run->nFlags &= ~MERF_WHITESPACE;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2009-02-07 19:21:23 +01:00
|
|
|
if (ME_IsWSpace(strText->szData[0]))
|
2005-03-05 12:19:14 +01:00
|
|
|
run->nFlags |= MERF_STARTWHITE;
|
|
|
|
else
|
|
|
|
run->nFlags &= ~MERF_STARTWHITE;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2009-02-07 19:21:23 +01:00
|
|
|
if (ME_IsWSpace(strText->szData[strText->nLen - 1]))
|
2005-03-05 12:19:14 +01:00
|
|
|
run->nFlags |= MERF_ENDWHITE;
|
|
|
|
else
|
|
|
|
run->nFlags &= ~MERF_ENDWHITE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
run->nFlags &= ~(MERF_WHITESPACE | MERF_STARTWHITE | MERF_ENDWHITE);
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_CharFromPoint
|
|
|
|
*
|
|
|
|
* Returns a character position inside the run given a run-relative
|
|
|
|
* pixel horizontal position. This version rounds left (ie. if the second
|
|
|
|
* character is at pixel position 8, then for cx=0..7 it returns 0).
|
|
|
|
*/
|
2008-01-01 22:05:28 +01:00
|
|
|
int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run)
|
2005-03-05 12:19:14 +01:00
|
|
|
{
|
|
|
|
int fit = 0;
|
|
|
|
HGDIOBJ hOldFont;
|
|
|
|
SIZE sz;
|
|
|
|
if (!run->strText->nLen)
|
|
|
|
return 0;
|
|
|
|
|
2008-08-07 18:31:41 +02:00
|
|
|
if (run->nFlags & MERF_TAB ||
|
|
|
|
(run->nFlags & (MERF_ENDCELL|MERF_ENDPARA)) == MERF_ENDCELL)
|
2005-04-16 12:48:35 +02:00
|
|
|
{
|
2006-08-02 20:33:26 +02:00
|
|
|
if (cx < run->nWidth/2)
|
2005-04-16 12:48:35 +02:00
|
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
2005-03-05 12:19:14 +01:00
|
|
|
if (run->nFlags & MERF_GRAPHICS)
|
|
|
|
{
|
|
|
|
SIZE sz;
|
2008-01-27 19:02:34 +01:00
|
|
|
ME_GetOLEObjectSize(c, run, &sz);
|
2005-03-05 12:19:14 +01:00
|
|
|
if (cx < sz.cx)
|
|
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
2008-01-01 22:05:33 +01:00
|
|
|
hOldFont = ME_SelectStyleFont(c, run->style);
|
2006-08-08 17:55:08 +02:00
|
|
|
|
2008-01-01 22:05:28 +01:00
|
|
|
if (c->editor->cPasswordMask)
|
2006-08-08 17:55:08 +02:00
|
|
|
{
|
2009-02-07 19:21:17 +01:00
|
|
|
ME_String *strMasked = ME_MakeStringR(c->editor->cPasswordMask, run->strText->nLen);
|
2008-01-01 22:05:28 +01:00
|
|
|
GetTextExtentExPointW(c->hDC, strMasked->szData, run->strText->nLen,
|
2006-08-08 17:55:08 +02:00
|
|
|
cx, &fit, NULL, &sz);
|
|
|
|
ME_DestroyString(strMasked);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2008-01-01 22:05:28 +01:00
|
|
|
GetTextExtentExPointW(c->hDC, run->strText->szData, run->strText->nLen,
|
2006-08-08 17:55:08 +02:00
|
|
|
cx, &fit, NULL, &sz);
|
|
|
|
}
|
|
|
|
|
2008-01-01 22:05:33 +01:00
|
|
|
ME_UnselectStyleFont(c, run->style, hOldFont);
|
2008-01-01 22:05:28 +01:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
return fit;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_CharFromPointCursor
|
2009-02-07 19:21:29 +01:00
|
|
|
*
|
2006-08-02 20:33:26 +02:00
|
|
|
* Returns a character position inside the run given a run-relative
|
2009-02-07 19:21:29 +01:00
|
|
|
* pixel horizontal position. This version rounds to the nearest character edge
|
|
|
|
* (ie. if the second character is at pixel position 8, then for cx=0..3
|
2006-08-02 20:33:26 +02:00
|
|
|
* it returns 0, and for cx=4..7 it returns 1).
|
2009-02-07 19:21:29 +01:00
|
|
|
*
|
2006-08-02 20:33:26 +02:00
|
|
|
* It is used for mouse click handling, for better usability (and compatibility
|
2009-02-07 19:21:29 +01:00
|
|
|
* with the native control).
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run)
|
|
|
|
{
|
2006-08-04 21:47:44 +02:00
|
|
|
ME_String *strRunText;
|
|
|
|
/* This could point to either the run's real text, or it's masked form in a password control */
|
2009-02-07 19:21:29 +01:00
|
|
|
|
|
|
|
int fit = 0;
|
2008-01-01 22:05:33 +01:00
|
|
|
ME_Context c;
|
2005-03-05 12:19:14 +01:00
|
|
|
HGDIOBJ hOldFont;
|
|
|
|
SIZE sz, sz2, sz3;
|
|
|
|
if (!run->strText->nLen)
|
|
|
|
return 0;
|
|
|
|
|
2008-08-07 18:31:41 +02:00
|
|
|
if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
|
2005-04-16 12:48:35 +02:00
|
|
|
{
|
|
|
|
if (cx < run->nWidth/2)
|
|
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
2009-01-20 07:41:32 +01:00
|
|
|
ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
|
2005-03-05 12:19:14 +01:00
|
|
|
if (run->nFlags & MERF_GRAPHICS)
|
|
|
|
{
|
|
|
|
SIZE sz;
|
2008-01-27 19:02:34 +01:00
|
|
|
ME_GetOLEObjectSize(&c, run, &sz);
|
2009-01-20 07:41:32 +01:00
|
|
|
ME_DestroyContext(&c);
|
2005-03-05 12:19:14 +01:00
|
|
|
if (cx < sz.cx/2)
|
|
|
|
return 0;
|
|
|
|
return 1;
|
|
|
|
}
|
2008-01-27 19:02:34 +01:00
|
|
|
|
2006-08-04 21:47:44 +02:00
|
|
|
if (editor->cPasswordMask)
|
2009-02-07 19:21:17 +01:00
|
|
|
strRunText = ME_MakeStringR(editor->cPasswordMask, run->strText->nLen);
|
2006-08-04 21:47:44 +02:00
|
|
|
else
|
|
|
|
strRunText = run->strText;
|
2005-03-05 12:19:14 +01:00
|
|
|
|
2008-01-01 22:05:33 +01:00
|
|
|
hOldFont = ME_SelectStyleFont(&c, run->style);
|
|
|
|
GetTextExtentExPointW(c.hDC, strRunText->szData, strRunText->nLen,
|
|
|
|
cx, &fit, NULL, &sz);
|
2006-08-04 21:47:44 +02:00
|
|
|
if (fit != strRunText->nLen)
|
2005-03-05 12:19:14 +01:00
|
|
|
{
|
2008-01-01 22:05:33 +01:00
|
|
|
GetTextExtentPoint32W(c.hDC, strRunText->szData, fit, &sz2);
|
2009-02-07 19:21:29 +01:00
|
|
|
GetTextExtentPoint32W(c.hDC, strRunText->szData, fit + 1, &sz3);
|
2005-03-05 12:19:14 +01:00
|
|
|
if (cx >= (sz2.cx+sz3.cx)/2)
|
2009-02-07 19:21:29 +01:00
|
|
|
fit = fit + 1;
|
2005-03-05 12:19:14 +01:00
|
|
|
}
|
2009-02-07 19:21:29 +01:00
|
|
|
|
2006-08-04 21:47:44 +02:00
|
|
|
if (editor->cPasswordMask)
|
|
|
|
ME_DestroyString(strRunText);
|
2009-02-07 19:21:29 +01:00
|
|
|
|
2008-01-01 22:05:33 +01:00
|
|
|
ME_UnselectStyleFont(&c, run->style, hOldFont);
|
2009-01-20 07:41:32 +01:00
|
|
|
ME_DestroyContext(&c);
|
2005-03-05 12:19:14 +01:00
|
|
|
return fit;
|
|
|
|
}
|
|
|
|
|
2008-01-01 22:05:33 +01:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_GetTextExtent
|
|
|
|
*
|
|
|
|
* Finds a width and a height of the text using a specified style
|
|
|
|
*/
|
|
|
|
static void ME_GetTextExtent(ME_Context *c, LPCWSTR szText, int nChars, ME_Style *s, SIZE *size)
|
|
|
|
{
|
|
|
|
HGDIOBJ hOldFont;
|
|
|
|
hOldFont = ME_SelectStyleFont(c, s);
|
|
|
|
GetTextExtentPoint32W(c->hDC, szText, nChars, size);
|
|
|
|
ME_UnselectStyleFont(c, s, hOldFont);
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_PointFromChar
|
2009-02-09 18:01:35 +01:00
|
|
|
*
|
2006-08-02 20:33:26 +02:00
|
|
|
* Returns a run-relative pixel position given a run-relative character
|
|
|
|
* position (character offset)
|
2009-02-09 18:01:35 +01:00
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset)
|
|
|
|
{
|
|
|
|
SIZE size;
|
2008-01-01 22:05:33 +01:00
|
|
|
ME_Context c;
|
2006-08-04 21:47:44 +02:00
|
|
|
ME_String *strRunText;
|
|
|
|
/* This could point to either the run's real text, or it's masked form in a password control */
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2009-01-20 07:41:32 +01:00
|
|
|
ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
|
2005-03-05 12:19:14 +01:00
|
|
|
if (pRun->nFlags & MERF_GRAPHICS)
|
|
|
|
{
|
2008-01-27 19:02:34 +01:00
|
|
|
if (nOffset)
|
|
|
|
ME_GetOLEObjectSize(&c, pRun, &size);
|
2009-02-06 07:09:43 +01:00
|
|
|
ME_DestroyContext(&c);
|
2008-01-27 19:02:34 +01:00
|
|
|
return nOffset != 0;
|
2009-01-27 09:39:23 +01:00
|
|
|
} else if (pRun->nFlags & MERF_ENDPARA) {
|
|
|
|
nOffset = 0;
|
2005-03-05 12:19:14 +01:00
|
|
|
}
|
2009-01-27 09:39:23 +01:00
|
|
|
|
|
|
|
if (editor->cPasswordMask)
|
2009-02-07 19:21:17 +01:00
|
|
|
strRunText = ME_MakeStringR(editor->cPasswordMask, pRun->strText->nLen);
|
2006-08-04 21:47:44 +02:00
|
|
|
else
|
|
|
|
strRunText = pRun->strText;
|
2008-01-27 19:02:34 +01:00
|
|
|
|
2008-01-01 22:05:33 +01:00
|
|
|
ME_GetTextExtent(&c, strRunText->szData, nOffset, pRun->style, &size);
|
2009-02-06 07:09:43 +01:00
|
|
|
ME_DestroyContext(&c);
|
2006-08-04 21:47:44 +02:00
|
|
|
if (editor->cPasswordMask)
|
|
|
|
ME_DestroyString(strRunText);
|
2005-03-05 12:19:14 +01:00
|
|
|
return size.cx;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_GetRunSizeCommon
|
|
|
|
*
|
2007-01-23 22:00:27 +01:00
|
|
|
* Finds width, height, ascent and descent of a run, up to given character
|
|
|
|
* (nLen).
|
|
|
|
*/
|
2007-08-15 22:35:51 +02:00
|
|
|
static SIZE ME_GetRunSizeCommon(ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen,
|
2008-03-16 21:47:08 +01:00
|
|
|
int startx, int *pAscent, int *pDescent)
|
2005-03-05 12:19:14 +01:00
|
|
|
{
|
|
|
|
SIZE size;
|
2009-02-07 19:21:17 +01:00
|
|
|
int nMaxLen = run->strText->nLen;
|
2005-03-05 12:19:14 +01:00
|
|
|
|
|
|
|
if (nLen>nMaxLen)
|
|
|
|
nLen = nMaxLen;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
|
|
|
/* FIXME the following call also ensures that TEXTMETRIC structure is filled
|
2006-02-04 17:01:01 +01:00
|
|
|
* this is wasteful for MERF_NONTEXT runs, but that shouldn't matter
|
2005-04-16 12:48:35 +02:00
|
|
|
* in practice
|
|
|
|
*/
|
2006-08-04 21:47:44 +02:00
|
|
|
|
|
|
|
if (c->editor->cPasswordMask)
|
|
|
|
{
|
|
|
|
ME_String *szMasked = ME_MakeStringR(c->editor->cPasswordMask,nLen);
|
|
|
|
ME_GetTextExtent(c, szMasked->szData, nLen,run->style, &size);
|
|
|
|
ME_DestroyString(szMasked);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ME_GetTextExtent(c, run->strText->szData, nLen, run->style, &size);
|
|
|
|
}
|
2005-04-16 12:48:35 +02:00
|
|
|
*pAscent = run->style->tm.tmAscent;
|
|
|
|
*pDescent = run->style->tm.tmDescent;
|
|
|
|
size.cy = *pAscent + *pDescent;
|
|
|
|
|
|
|
|
if (run->nFlags & MERF_TAB)
|
|
|
|
{
|
2008-08-13 05:15:29 +02:00
|
|
|
int pos = 0, i = 0, ppos, shift = 0;
|
2005-04-16 12:48:35 +02:00
|
|
|
PARAFORMAT2 *pFmt = para->pFmt;
|
2008-03-16 21:47:08 +01:00
|
|
|
|
2008-08-13 05:15:29 +02:00
|
|
|
if (c->editor->bEmulateVersion10 && /* v1.0 - 3.0 */
|
|
|
|
pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
|
|
|
|
/* The horizontal gap shifts the tab positions to leave the gap. */
|
|
|
|
shift = pFmt->dxOffset * 2;
|
2005-04-16 12:48:35 +02:00
|
|
|
do {
|
|
|
|
if (i < pFmt->cTabCount)
|
|
|
|
{
|
2008-08-13 05:15:29 +02:00
|
|
|
/* Only one side of the horizontal gap is needed at the end of
|
|
|
|
* the table row. */
|
|
|
|
if (i == pFmt->cTabCount -1)
|
|
|
|
shift = shift >> 1;
|
|
|
|
pos = shift + (pFmt->rgxTabs[i]&0x00FFFFFF);
|
2005-04-16 12:48:35 +02:00
|
|
|
i++;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2008-06-27 15:18:50 +02:00
|
|
|
pos += lDefaultTab - (pos % lDefaultTab);
|
2005-04-16 12:48:35 +02:00
|
|
|
}
|
2008-12-18 07:56:49 +01:00
|
|
|
ppos = ME_twips2pointsX(c, pos);
|
2008-03-16 21:47:08 +01:00
|
|
|
if (ppos > startx + run->pt.x) {
|
|
|
|
size.cx = ppos - startx - run->pt.x;
|
2005-04-16 12:48:35 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
} while(1);
|
|
|
|
size.cy = *pAscent + *pDescent;
|
|
|
|
return size;
|
|
|
|
}
|
2005-03-05 12:19:14 +01:00
|
|
|
if (run->nFlags & MERF_GRAPHICS)
|
|
|
|
{
|
2008-01-27 19:02:34 +01:00
|
|
|
ME_GetOLEObjectSize(c, run, &size);
|
2005-04-16 12:48:35 +02:00
|
|
|
if (size.cy > *pAscent)
|
|
|
|
*pAscent = size.cy;
|
|
|
|
/* descent is unchanged */
|
2005-03-05 12:19:14 +01:00
|
|
|
return size;
|
|
|
|
}
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_GetRunSize
|
|
|
|
*
|
|
|
|
* Finds width and height (but not ascent and descent) of a part of the run
|
|
|
|
* up to given character.
|
|
|
|
*/
|
2008-03-16 21:47:08 +01:00
|
|
|
SIZE ME_GetRunSize(ME_Context *c, const ME_Paragraph *para,
|
|
|
|
ME_Run *run, int nLen, int startx)
|
2005-04-16 12:48:35 +02:00
|
|
|
{
|
|
|
|
int asc, desc;
|
2008-03-16 21:47:08 +01:00
|
|
|
return ME_GetRunSizeCommon(c, para, run, nLen, startx, &asc, &desc);
|
2005-04-16 12:48:35 +02:00
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_CalcRunExtent
|
|
|
|
*
|
|
|
|
* Updates the size of the run (fills width, ascent and descent). The height
|
|
|
|
* is calculated based on whole row's ascent and descent anyway, so no need
|
|
|
|
* to use it here.
|
|
|
|
*/
|
2008-03-16 21:47:08 +01:00
|
|
|
void ME_CalcRunExtent(ME_Context *c, const ME_Paragraph *para, int startx, ME_Run *run)
|
2005-03-05 12:19:14 +01:00
|
|
|
{
|
2006-01-31 13:01:26 +01:00
|
|
|
if (run->nFlags & MERF_HIDDEN)
|
|
|
|
run->nWidth = 0;
|
|
|
|
else
|
|
|
|
{
|
2009-02-07 19:21:17 +01:00
|
|
|
int nEnd = run->strText->nLen;
|
2008-03-16 21:47:08 +01:00
|
|
|
SIZE size = ME_GetRunSizeCommon(c, para, run, nEnd, startx,
|
|
|
|
&run->nAscent, &run->nDescent);
|
2006-01-31 13:01:26 +01:00
|
|
|
run->nWidth = size.cx;
|
|
|
|
if (!size.cx)
|
|
|
|
WARN("size.cx == 0\n");
|
|
|
|
}
|
2005-03-05 12:19:14 +01:00
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_MustBeWrapped
|
|
|
|
*
|
|
|
|
* This should ensure that the given paragraph is wrapped so that its screen
|
|
|
|
* row structure may be used. But it doesn't, yet.
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_MustBeWrapped(ME_Context *c, ME_DisplayItem *para)
|
|
|
|
{
|
|
|
|
assert(para->type == diParagraph);
|
|
|
|
/* FIXME */
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_SetSelectionCharFormat
|
|
|
|
*
|
|
|
|
* Applies a style change, either to a current selection, or to insert cursor
|
|
|
|
* (ie. the style next typed characters will use).
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_SetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt)
|
|
|
|
{
|
|
|
|
int nFrom, nTo;
|
|
|
|
ME_GetSelection(editor, &nFrom, &nTo);
|
|
|
|
if (nFrom == nTo)
|
|
|
|
{
|
|
|
|
ME_Style *s;
|
|
|
|
if (!editor->pBuffer->pCharStyle)
|
|
|
|
editor->pBuffer->pCharStyle = ME_GetInsertStyle(editor, 0);
|
|
|
|
s = ME_ApplyStyle(editor->pBuffer->pCharStyle, pFmt);
|
|
|
|
ME_ReleaseStyle(editor->pBuffer->pCharStyle);
|
|
|
|
editor->pBuffer->pCharStyle = s;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ME_SetCharFormat(editor, nFrom, nTo-nFrom, pFmt);
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_SetCharFormat
|
|
|
|
*
|
|
|
|
* Applies a style change to the specified part of the text
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_SetCharFormat(ME_TextEditor *editor, int nOfs, int nChars, CHARFORMAT2W *pFmt)
|
|
|
|
{
|
|
|
|
ME_Cursor tmp, tmp2;
|
|
|
|
ME_DisplayItem *para;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
ME_CursorFromCharOfs(editor, nOfs, &tmp);
|
|
|
|
if (tmp.nOffset)
|
|
|
|
tmp.pRun = ME_SplitRunSimple(editor, tmp.pRun, tmp.nOffset);
|
|
|
|
|
|
|
|
ME_CursorFromCharOfs(editor, nOfs+nChars, &tmp2);
|
|
|
|
if (tmp2.nOffset)
|
|
|
|
tmp2.pRun = ME_SplitRunSimple(editor, tmp2.pRun, tmp2.nOffset);
|
|
|
|
|
2009-02-09 18:01:35 +01:00
|
|
|
para = tmp.pPara;
|
2005-03-09 12:48:59 +01:00
|
|
|
para->member.para.nFlags |= MEPF_REWRAP;
|
2005-04-16 12:48:35 +02:00
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
while(tmp.pRun != tmp2.pRun)
|
|
|
|
{
|
|
|
|
ME_UndoItem *undo = NULL;
|
|
|
|
ME_Style *new_style = ME_ApplyStyle(tmp.pRun->member.run.style, pFmt);
|
|
|
|
/* ME_DumpStyle(new_style); */
|
|
|
|
undo = ME_AddUndoItem(editor, diUndoSetCharFormat, NULL);
|
|
|
|
if (undo) {
|
|
|
|
undo->nStart = tmp.pRun->member.run.nCharOfs+para->member.para.nCharOfs;
|
|
|
|
undo->nLen = tmp.pRun->member.run.strText->nLen;
|
|
|
|
undo->di.member.ustyle = tmp.pRun->member.run.style;
|
2008-11-25 17:42:38 +01:00
|
|
|
/* we'd have to addref undo...ustyle and release tmp...style
|
2005-03-05 12:19:14 +01:00
|
|
|
but they'd cancel each other out so we can do nothing instead */
|
|
|
|
}
|
|
|
|
else
|
|
|
|
ME_ReleaseStyle(tmp.pRun->member.run.style);
|
|
|
|
tmp.pRun->member.run.style = new_style;
|
|
|
|
tmp.pRun = ME_FindItemFwd(tmp.pRun, diRunOrParagraph);
|
|
|
|
if (tmp.pRun->type == diParagraph)
|
|
|
|
{
|
|
|
|
para = tmp.pRun;
|
|
|
|
tmp.pRun = ME_FindItemFwd(tmp.pRun, diRun);
|
|
|
|
if (tmp.pRun != tmp2.pRun)
|
2005-03-09 12:48:59 +01:00
|
|
|
para->member.para.nFlags |= MEPF_REWRAP;
|
2005-03-05 12:19:14 +01:00
|
|
|
}
|
|
|
|
assert(tmp.pRun);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_SetDefaultCharFormat
|
|
|
|
*
|
|
|
|
* Applies a style change to the default character style.
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod)
|
|
|
|
{
|
2005-04-16 12:48:35 +02:00
|
|
|
ME_Style *style;
|
|
|
|
|
2005-03-05 12:19:14 +01:00
|
|
|
assert(mod->cbSize == sizeof(CHARFORMAT2W));
|
|
|
|
style = ME_ApplyStyle(editor->pBuffer->pDefaultStyle, mod);
|
|
|
|
editor->pBuffer->pDefaultStyle->fmt = style->fmt;
|
|
|
|
editor->pBuffer->pDefaultStyle->tm = style->tm;
|
|
|
|
ME_ReleaseStyle(style);
|
|
|
|
ME_MarkAllForWrapping(editor);
|
|
|
|
/* pcf = editor->pBuffer->pDefaultStyle->fmt; */
|
|
|
|
}
|
|
|
|
|
2007-01-23 22:00:27 +01:00
|
|
|
static void ME_GetRunCharFormat(ME_TextEditor *editor, ME_DisplayItem *run, CHARFORMAT2W *pFmt)
|
2005-03-05 12:19:14 +01:00
|
|
|
{
|
|
|
|
ME_CopyCharFormat(pFmt, &run->member.run.style->fmt);
|
2008-05-04 06:36:17 +02:00
|
|
|
if ((pFmt->dwMask & CFM_UNDERLINETYPE) && (pFmt->bUnderlineType == CFU_CF1UNDERLINE))
|
|
|
|
{
|
|
|
|
pFmt->dwMask |= CFM_UNDERLINE;
|
|
|
|
pFmt->dwEffects |= CFE_UNDERLINE;
|
|
|
|
}
|
|
|
|
if ((pFmt->dwMask & CFM_UNDERLINETYPE) && (pFmt->bUnderlineType == CFU_UNDERLINENONE))
|
|
|
|
{
|
|
|
|
pFmt->dwMask |= CFM_UNDERLINE;
|
|
|
|
pFmt->dwEffects &= ~CFE_UNDERLINE;
|
|
|
|
}
|
2005-03-05 12:19:14 +01:00
|
|
|
}
|
|
|
|
|
2006-08-02 20:33:26 +02:00
|
|
|
/******************************************************************************
|
|
|
|
* ME_GetDefaultCharFormat
|
|
|
|
*
|
|
|
|
* Retrieves the current default character style (the one applied where no
|
|
|
|
* other style was applied) .
|
|
|
|
*/
|
2005-03-05 12:19:14 +01:00
|
|
|
void ME_GetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt)
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{
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ME_CopyCharFormat(pFmt, &editor->pBuffer->pDefaultStyle->fmt);
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_GetSelectionCharFormat
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*
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* If selection exists, it returns all style elements that are set consistently
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* in the whole selection. If not, it just returns the current style.
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*/
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2005-03-05 12:19:14 +01:00
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void ME_GetSelectionCharFormat(ME_TextEditor *editor, CHARFORMAT2W *pFmt)
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{
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int nFrom, nTo;
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ME_GetSelection(editor, &nFrom, &nTo);
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if (nFrom == nTo && editor->pBuffer->pCharStyle)
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{
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ME_CopyCharFormat(pFmt, &editor->pBuffer->pCharStyle->fmt);
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return;
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}
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ME_GetCharFormat(editor, nFrom, nTo, pFmt);
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}
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2006-08-02 20:33:26 +02:00
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/******************************************************************************
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* ME_GetCharFormat
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2009-02-06 07:09:47 +01:00
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*
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2006-08-02 20:33:26 +02:00
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* Returns the style consisting of those attributes which are consistently set
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2009-02-06 07:09:47 +01:00
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* in the whole character range.
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*/
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2005-03-05 12:19:14 +01:00
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void ME_GetCharFormat(ME_TextEditor *editor, int nFrom, int nTo, CHARFORMAT2W *pFmt)
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{
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ME_DisplayItem *run, *run_end;
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int nOffset, nOffset2;
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CHARFORMAT2W tmp;
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2005-04-16 12:48:35 +02:00
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2009-02-06 07:09:47 +01:00
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ME_RunOfsFromCharOfs(editor, nFrom, NULL, &run, &nOffset);
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2005-03-05 12:19:14 +01:00
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if (nFrom == nTo) /* special case - if selection is empty, take previous char's formatting */
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{
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if (!nOffset)
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{
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ME_DisplayItem *tmp_run = ME_FindItemBack(run, diRunOrParagraph);
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if (tmp_run->type == diRun) {
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ME_GetRunCharFormat(editor, tmp_run, pFmt);
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return;
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}
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}
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ME_GetRunCharFormat(editor, run, pFmt);
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return;
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}
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2005-07-22 20:27:26 +02:00
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if (nTo>nFrom) /* selection consists of chars from nFrom up to nTo-1 */
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nTo--;
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2009-02-06 07:09:47 +01:00
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ME_RunOfsFromCharOfs(editor, nTo, NULL, &run_end, &nOffset2);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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ME_GetRunCharFormat(editor, run, pFmt);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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if (run == run_end) return;
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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do {
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/* FIXME add more style feature comparisons */
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2008-01-01 22:03:58 +01:00
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int nAttribs = CFM_SIZE | CFM_FACE | CFM_COLOR | CFM_UNDERLINETYPE;
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2008-05-04 06:36:17 +02:00
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int nEffects = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE | CFM_STRIKEOUT | CFM_PROTECTED | CFM_LINK | CFM_SUPERSCRIPT;
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2005-03-05 12:19:14 +01:00
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run = ME_FindItemFwd(run, diRun);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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ZeroMemory(&tmp, sizeof(tmp));
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tmp.cbSize = sizeof(tmp);
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ME_GetRunCharFormat(editor, run, &tmp);
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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assert((tmp.dwMask & nAttribs) == nAttribs);
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/* reset flags that differ */
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if (pFmt->yHeight != tmp.yHeight)
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pFmt->dwMask &= ~CFM_SIZE;
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if (pFmt->dwMask & CFM_FACE)
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{
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if (!(tmp.dwMask & CFM_FACE))
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pFmt->dwMask &= ~CFM_FACE;
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2008-01-04 21:12:20 +01:00
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else if (lstrcmpW(pFmt->szFaceName, tmp.szFaceName) ||
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pFmt->bPitchAndFamily != tmp.bPitchAndFamily)
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2005-03-05 12:19:14 +01:00
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pFmt->dwMask &= ~CFM_FACE;
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}
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if (pFmt->yHeight != tmp.yHeight)
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pFmt->dwMask &= ~CFM_SIZE;
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2008-01-01 22:03:58 +01:00
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if (pFmt->bUnderlineType != tmp.bUnderlineType)
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pFmt->dwMask &= ~CFM_UNDERLINETYPE;
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2005-03-05 12:19:14 +01:00
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if (pFmt->dwMask & CFM_COLOR)
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{
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if (!((pFmt->dwEffects&CFE_AUTOCOLOR) & (tmp.dwEffects&CFE_AUTOCOLOR)))
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{
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if (pFmt->crTextColor != tmp.crTextColor)
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pFmt->dwMask &= ~CFM_COLOR;
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}
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}
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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pFmt->dwMask &= ~((pFmt->dwEffects ^ tmp.dwEffects) & nEffects);
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2008-05-04 06:36:17 +02:00
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pFmt->dwEffects = tmp.dwEffects;
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2005-04-16 12:48:35 +02:00
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2005-03-05 12:19:14 +01:00
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} while(run != run_end);
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}
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