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Sweden-Number/dlls/riched20/para.c

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/*
* RichEdit - functions working on paragraphs of text (diParagraph).
*
* Copyright 2004 by Krzysztof Foltman
* Copyright 2006 by Phil Krylov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "editor.h"
WINE_DEFAULT_DEBUG_CHANNEL(richedit);
static const WCHAR wszParagraphSign[] = {0xB6, 0};
void ME_MakeFirstParagraph(ME_TextEditor *editor)
{
ME_Context c;
CHARFORMAT2W cf;
LOGFONTW lf;
HFONT hf;
ME_TextBuffer *text = editor->pBuffer;
ME_DisplayItem *para = ME_MakeDI(diParagraph);
ME_DisplayItem *run;
ME_Style *style;
ME_InitContext(&c, editor, GetDC(editor->hWnd));
hf = GetStockObject(SYSTEM_FONT);
assert(hf);
GetObjectW(hf, sizeof(LOGFONTW), &lf);
ZeroMemory(&cf, sizeof(cf));
cf.cbSize = sizeof(cf);
cf.dwMask = CFM_BACKCOLOR|CFM_COLOR|CFM_FACE|CFM_SIZE|CFM_CHARSET;
cf.dwMask |= CFM_ALLCAPS|CFM_BOLD|CFM_DISABLED|CFM_EMBOSS|CFM_HIDDEN;
cf.dwMask |= CFM_IMPRINT|CFM_ITALIC|CFM_LINK|CFM_OUTLINE|CFM_PROTECTED;
cf.dwMask |= CFM_REVISED|CFM_SHADOW|CFM_SMALLCAPS|CFM_STRIKEOUT;
cf.dwMask |= CFM_SUBSCRIPT|CFM_UNDERLINETYPE|CFM_WEIGHT;
cf.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
lstrcpyW(cf.szFaceName, lf.lfFaceName);
/* Convert system font height from logical units to twips for cf.yHeight */
cf.yHeight = (lf.lfHeight * 72 * 1440) / (c.dpi.cy * c.dpi.cy);
if (lf.lfWeight > FW_NORMAL) cf.dwEffects |= CFE_BOLD;
cf.wWeight = lf.lfWeight;
if (lf.lfItalic) cf.dwEffects |= CFE_ITALIC;
cf.bUnderlineType = (lf.lfUnderline) ? CFU_CF1UNDERLINE : CFU_UNDERLINENONE;
if (lf.lfStrikeOut) cf.dwEffects |= CFE_STRIKEOUT;
cf.bPitchAndFamily = lf.lfPitchAndFamily;
cf.bCharSet = lf.lfCharSet;
style = ME_MakeStyle(&cf);
text->pDefaultStyle = style;
run = ME_MakeRun(style, ME_MakeString(wszParagraphSign), MERF_ENDPARA);
run->member.run.nCharOfs = 0;
run->member.run.nCR = 1;
run->member.run.nLF = editor->bEmulateVersion10 ? 1 : 0;
ME_InsertBefore(text->pLast, para);
ME_InsertBefore(text->pLast, run);
para->member.para.prev_para = text->pFirst;
para->member.para.next_para = text->pLast;
text->pFirst->member.para.next_para = para;
text->pLast->member.para.prev_para = para;
text->pLast->member.para.nCharOfs = editor->bEmulateVersion10 ? 2 : 1;
ME_DestroyContext(&c, editor->hWnd);
}
static void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
{
while(first != last)
{
first->member.para.nFlags |= MEPF_REWRAP;
first = first->member.para.next_para;
}
}
void ME_MarkAllForWrapping(ME_TextEditor *editor)
{
ME_MarkForWrapping(editor, editor->pBuffer->pFirst->member.para.next_para, editor->pBuffer->pLast);
}
void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
{
while(first != last && first)
{
first->member.para.nFlags |= MEPF_REPAINT;
first = first->member.para.next_para;
}
}
static void ME_UpdateTableFlags(ME_DisplayItem *para)
{
para->member.para.pFmt->dwMask |= PFM_TABLE|PFM_TABLEROWDELIMITER;
if (para->member.para.pCell) {
para->member.para.nFlags |= MEPF_CELL;
} else {
para->member.para.nFlags &= ~MEPF_CELL;
}
if (para->member.para.nFlags & MEPF_ROWEND) {
para->member.para.pFmt->wEffects |= PFE_TABLEROWDELIMITER;
} else {
para->member.para.pFmt->wEffects &= ~PFE_TABLEROWDELIMITER;
}
if (para->member.para.nFlags & (MEPF_ROWSTART|MEPF_CELL|MEPF_ROWEND))
para->member.para.pFmt->wEffects |= PFE_TABLE;
else
para->member.para.pFmt->wEffects &= ~PFE_TABLE;
}
static BOOL ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, const PARAFORMAT2 *pFmt)
{
PARAFORMAT2 copy;
assert(sizeof(*para->member.para.pFmt) == sizeof(PARAFORMAT2));
ME_AddUndoItem(editor, diUndoSetParagraphFormat, para);
copy = *para->member.para.pFmt;
#define COPY_FIELD(m, f) \
if (pFmt->dwMask & (m)) { \
para->member.para.pFmt->dwMask |= m; \
para->member.para.pFmt->f = pFmt->f; \
}
COPY_FIELD(PFM_NUMBERING, wNumbering);
#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 (pFmt->dwMask & EFFECTS_MASK) {
para->member.para.pFmt->dwMask |= pFmt->dwMask & EFFECTS_MASK;
para->member.para.pFmt->wEffects &= ~HIWORD(pFmt->dwMask);
para->member.para.pFmt->wEffects |= pFmt->wEffects & HIWORD(pFmt->dwMask);
}
#undef EFFECTS_MASK
COPY_FIELD(PFM_STARTINDENT, dxStartIndent);
if (pFmt->dwMask & PFM_OFFSETINDENT)
para->member.para.pFmt->dxStartIndent += pFmt->dxStartIndent;
COPY_FIELD(PFM_RIGHTINDENT, dxRightIndent);
COPY_FIELD(PFM_OFFSET, dxOffset);
COPY_FIELD(PFM_ALIGNMENT, wAlignment);
if (pFmt->dwMask & PFM_TABSTOPS)
{
para->member.para.pFmt->cTabCount = pFmt->cTabCount;
memcpy(para->member.para.pFmt->rgxTabs, pFmt->rgxTabs, pFmt->cTabCount*sizeof(LONG));
}
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->member.para.pFmt->dwMask |= pFmt->dwMask;
#undef COPY_FIELD
if (memcmp(&copy, para->member.para.pFmt, sizeof(PARAFORMAT2)))
para->member.para.nFlags |= MEPF_REWRAP;
return TRUE;
}
/* split paragraph at the beginning of the run */
ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *run,
ME_Style *style, int numCR, int numLF,
int paraFlags)
{
ME_DisplayItem *next_para = NULL;
ME_DisplayItem *run_para = NULL;
ME_DisplayItem *new_para = ME_MakeDI(diParagraph);
ME_DisplayItem *end_run;
ME_UndoItem *undo = NULL;
int ofs;
ME_DisplayItem *pp;
int end_len = numCR + numLF;
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)));
}
end_run = ME_MakeRun(style,ME_MakeString(wszParagraphSign), run_flags);
assert(run->type == diRun);
end_run->member.run.nCR = numCR;
end_run->member.run.nLF = numLF;
run_para = ME_GetParagraph(run);
assert(run_para->member.para.pFmt->cbSize == sizeof(PARAFORMAT2));
ofs = end_run->member.run.nCharOfs = run->member.run.nCharOfs;
next_para = run_para->member.para.next_para;
assert(next_para == ME_FindItemFwd(run_para, diParagraphOrEnd));
undo = ME_AddUndoItem(editor, diUndoJoinParagraphs, NULL);
if (undo)
undo->nStart = run_para->member.para.nCharOfs + ofs;
/* 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 = ME_FindItemFwd(pp, diRunOrParagraphOrEnd);
}
new_para->member.para.nCharOfs = ME_GetParagraph(run)->member.para.nCharOfs+ofs;
new_para->member.para.nCharOfs += end_len;
new_para->member.para.nFlags = MEPF_REWRAP;
/* FIXME initialize format style and call ME_SetParaFormat blah blah */
*new_para->member.para.pFmt = *run_para->member.para.pFmt;
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);
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 */
run_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
new_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
/* we've added the end run, so we need to modify nCharOfs in the next paragraphs */
ME_PropagateCharOffset(next_para, end_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;
int i, shift;
ME_UndoItem *undo = NULL;
int end_len;
assert(tp->type == diParagraph);
assert(tp->member.para.next_para);
assert(tp->member.para.next_para->type == diParagraph);
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.nCR + pRun->member.run.nLF;
{
/* null char format operation to store the original char format for the ENDPARA run */
CHARFORMAT2W fmt;
ME_InitCharFormat2W(&fmt);
ME_SetCharFormat(editor, pNext->member.para.nCharOfs - end_len, end_len, &fmt);
}
undo = ME_AddUndoItem(editor, diUndoSplitParagraph, pNext);
if (undo)
{
undo->nStart = pNext->member.para.nCharOfs - end_len;
undo->nCR = pRun->member.run.nCR;
undo->nLF = pRun->member.run.nLF;
}
if (!keepFirstParaFormat)
{
ME_AddUndoItem(editor, diUndoSetParagraphFormat, tp);
*tp->member.para.pFmt = *pNext->member.para.pFmt;
tp->member.para.border = pNext->member.para.border;
}
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. */
pTmp = pRun->next;
while (pTmp != pNext) {
if (pTmp->type == diCell)
{
ME_Cell *pCell = &pTmp->member.cell;
if (undo)
{
assert(!(undo->di.member.para.nFlags & MEPF_ROWEND));
if (!(undo->di.member.para.nFlags & MEPF_ROWSTART))
undo->di.member.para.nFlags |= MEPF_CELL;
undo->di.member.para.pCell = ALLOC_OBJ(ME_DisplayItem);
*undo->di.member.para.pCell = *pTmp;
undo->di.member.para.pCell->next = NULL;
undo->di.member.para.pCell->prev = NULL;
undo->di.member.para.pCell->member.cell.next_cell = NULL;
undo->di.member.para.pCell->member.cell.prev_cell = NULL;
}
ME_Remove(pTmp);
if (pCell->prev_cell)
pCell->prev_cell->member.cell.next_cell = pCell->next_cell;
if (pCell->next_cell)
pCell->next_cell->member.cell.prev_cell = pCell->prev_cell;
ME_DestroyDisplayItem(pTmp);
break;
}
pTmp = pTmp->next;
}
}
shift = pNext->member.para.nCharOfs - tp->member.para.nCharOfs - end_len;
pFirstRunInNext = ME_FindItemFwd(pNext, diRunOrParagraph);
assert(pFirstRunInNext->type == diRun);
/* if some cursor points at end of paragraph, make it point to the first
run of the next joined paragraph */
for (i=0; i<editor->nCursors; i++) {
if (editor->pCursors[i].pRun == pRun) {
editor->pCursors[i].pRun = pFirstRunInNext;
editor->pCursors[i].nOffset = 0;
}
}
pTmp = pNext;
do {
pTmp = ME_FindItemFwd(pTmp, diRunOrParagraphOrEnd);
if (pTmp->type != diRun)
break;
TRACE("shifting \"%s\" by %d (previous %d)\n", debugstr_w(pTmp->member.run.strText->szData), shift, pTmp->member.run.nCharOfs);
pTmp->member.run.nCharOfs += shift;
} while(1);
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);
ME_DestroyDisplayItem(pNext);
ME_PropagateCharOffset(tp->member.para.next_para, -end_len);
ME_CheckCharOffsets(editor);
editor->nParagraphs--;
tp->member.para.nFlags |= MEPF_REWRAP;
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) >> 8)) ? "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 Weigth:", "%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 = ME_GetParagraph(editor->pCursors[0].pRun);
*para_end = ME_GetParagraph(editor->pCursors[1].pRun);
if ((*para_end)->member.para.nCharOfs < (*para)->member.para.nCharOfs) {
ME_DisplayItem *tmp = *para;
*para = *para_end;
*para_end = tmp;
pEndCursor = &editor->pCursors[0];
}
/* selection consists of chars from nFrom up to nTo-1 */
if ((*para_end)->member.para.nCharOfs > (*para)->member.para.nCharOfs) {
if (!pEndCursor->nOffset) {
*para_end = ME_GetParagraph(ME_FindItemBack(pEndCursor->pRun, diRun));
}
}
}
BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt)
{
ME_DisplayItem *para, *para_end;
ME_GetSelectionParas(editor, &para, &para_end);
do {
ME_SetParaFormat(editor, 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)
{
if (pFmt->cbSize >= sizeof(PARAFORMAT2))
{
*pFmt = *para->member.para.pFmt;
return;
}
CopyMemory(pFmt, para->member.para.pFmt, pFmt->cbSize);
}
void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
{
ME_DisplayItem *para, *para_end;
PARAFORMAT2 tmp;
ME_GetSelectionParas(editor, &para, &para_end);
ME_GetParaFormat(editor, para, pFmt);
if (para == para_end) return;
/* Invalidate values that change across the selected paragraphs. */
do {
ZeroMemory(&tmp, sizeof(tmp));
tmp.cbSize = sizeof(tmp);
ME_GetParaFormat(editor, para, &tmp);
#define CHECK_FIELD(m, f) \
if (pFmt->f != tmp.f) pFmt->dwMask &= ~(m);
pFmt->dwMask &= ~((pFmt->wEffects ^ tmp.wEffects) << 16);
CHECK_FIELD(PFM_NUMBERING, wNumbering);
assert(tmp.dwMask & PFM_ALIGNMENT);
CHECK_FIELD(PFM_NUMBERING, wNumbering);
assert(tmp.dwMask & PFM_STARTINDENT);
CHECK_FIELD(PFM_STARTINDENT, dxStartIndent);
assert(tmp.dwMask & PFM_RIGHTINDENT);
CHECK_FIELD(PFM_RIGHTINDENT, dxRightIndent);
assert(tmp.dwMask & PFM_OFFSET);
CHECK_FIELD(PFM_OFFSET, dxOffset);
CHECK_FIELD(PFM_ALIGNMENT, wAlignment);
assert(tmp.dwMask & PFM_TABSTOPS);
if (pFmt->dwMask & PFM_TABSTOPS) {
if (pFmt->cTabCount != tmp.cTabCount ||
memcmp(pFmt->rgxTabs, tmp.rgxTabs, tmp.cTabCount*sizeof(int)))
pFmt->dwMask &= ~PFM_TABSTOPS;
}
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
if (para == para_end)
return;
para = para->member.para.next_para;
} while(1);
}
void ME_SetDefaultParaFormat(PARAFORMAT2 *pFmt)
{
ZeroMemory(pFmt, sizeof(PARAFORMAT2));
pFmt->cbSize = sizeof(PARAFORMAT2);
pFmt->dwMask = PFM_ALL2;
pFmt->wAlignment = PFA_LEFT;
pFmt->sStyle = -1;
pFmt->bOutlineLevel = TRUE;
}
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