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;
int eol_len;
WCHAR cr_lf[] = {'\r','\n',0};
ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
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;
eol_len = editor->bEmulateVersion10 ? 2 : 1;
para->member.para.text = ME_MakeStringN( cr_lf, eol_len );
run = ME_MakeRun(style, MERF_ENDPARA);
run->member.run.nCharOfs = 0;
run->member.run.len = eol_len;
run->member.run.para = ¶->member.para;
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);
}
static ME_DisplayItem *make_para(ME_TextEditor *editor)
{
ME_DisplayItem *item = ME_MakeDI(diParagraph);
ME_SetDefaultParaFormat(editor, &item->member.para.fmt);
item->member.para.nFlags = MEPF_REWRAP;
return item;
}
static ME_DisplayItem *ME_MakeRow(int height, int baseline, int width)
{
ME_DisplayItem *item = ME_MakeDI(diStartRow);
item->member.row.nHeight = height;
item->member.row.nBaseline = baseline;
item->member.row.nWidth = width;
return item;
}
static ME_DisplayItem *make_para(ME_TextEditor *editor)
{
ME_DisplayItem *item = ME_MakeDI(diParagraph);
item->member.para.pFmt = ALLOC_OBJ(PARAFORMAT2);
ME_SetDefaultParaFormat(editor, item->member.para.pFmt);
item->member.para.nFlags = MEPF_REWRAP;
return item;
}
/******************************************************************************
* ME_MakeRun
*
* A helper function to create run structures quickly.
*/
ME_DisplayItem *ME_MakeRun(ME_Style *s, int nFlags)
{
ME_DisplayItem *item = ME_MakeDI(diRun);
item->member.run.style = s;
item->member.run.ole_obj = NULL;
item->member.run.nFlags = nFlags;
item->member.run.nCharOfs = -1;
item->member.run.len = 0;
item->member.run.para = NULL;
ME_AddRefStyle(s);
return item;
}
/******************************************************************************
* ME_MakeRun
*
* A helper function to create run structures quickly.
*/
ME_DisplayItem *ME_MakeRun(ME_Style *s, int nFlags)
{
ME_DisplayItem *item = ME_MakeDI(diRun);
item->member.run.style = s;
item->member.run.ole_obj = NULL;
item->member.run.nFlags = nFlags;
item->member.run.nCharOfs = -1;
item->member.run.len = 0;
item->member.run.para = NULL;
item->member.run.num_glyphs = 0;
item->member.run.max_glyphs = 0;
item->member.run.glyphs = NULL;
item->member.run.vis_attrs = NULL;
item->member.run.advances = NULL;
item->member.run.offsets = NULL;
item->member.run.max_clusters = 0;
item->member.run.clusters = NULL;
ME_AddRefStyle(s);
return item;
}
/* 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.pFmt->cbSize == sizeof(PARAFORMAT2));
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 = 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, eol_len);
editor->nParagraphs++;
return new_para;
}
/* 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;
}
