void
ME_InvalidateSelection(ME_TextEditor *editor)
{
ME_DisplayItem *para1, *para2;
int nStart, nEnd;
int len = ME_GetTextLength(editor);
ME_GetSelection(editor, &nStart, &nEnd);
/* if both old and new selection are 0-char (= caret only), then
there's no (inverted) area to be repainted, neither old nor new */
if (nStart == nEnd && editor->nLastSelStart == editor->nLastSelEnd)
return;
ME_WrapMarkedParagraphs(editor);
ME_GetSelectionParas(editor, ¶1, ¶2);
assert(para1->type == diParagraph);
assert(para2->type == diParagraph);
/* last selection markers aren't always updated, which means
they can point past the end of the document */
if (editor->nLastSelStart > len)
editor->nLastSelEnd = len;
if (editor->nLastSelEnd > len)
editor->nLastSelEnd = len;
/* if the start part of selection is being expanded or contracted... */
if (nStart < editor->nLastSelStart) {
ME_MarkForPainting(editor, para1, ME_FindItemFwd(editor->pLastSelStartPara, diParagraphOrEnd));
} else
if (nStart > editor->nLastSelStart) {
ME_MarkForPainting(editor, editor->pLastSelStartPara, ME_FindItemFwd(para1, diParagraphOrEnd));
}
/* if the end part of selection is being contracted or expanded... */
if (nEnd < editor->nLastSelEnd) {
ME_MarkForPainting(editor, para2, ME_FindItemFwd(editor->pLastSelEndPara, diParagraphOrEnd));
} else
if (nEnd > editor->nLastSelEnd) {
ME_MarkForPainting(editor, editor->pLastSelEndPara, ME_FindItemFwd(para2, diParagraphOrEnd));
}
ME_InvalidateMarkedParagraphs(editor);
/* remember the last invalidated position */
ME_GetSelection(editor, &editor->nLastSelStart, &editor->nLastSelEnd);
ME_GetSelectionParas(editor, &editor->pLastSelStartPara, &editor->pLastSelEndPara);
assert(editor->pLastSelStartPara->type == diParagraph);
assert(editor->pLastSelEndPara->type == diParagraph);
}
void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
{
ME_DisplayItem *para, *para_end;
PARAFORMAT2 *curFmt;
if (pFmt->cbSize < sizeof(PARAFORMAT)) {
pFmt->dwMask = 0;
return;
}
ME_GetSelectionParas(editor, ¶, ¶_end);
ME_GetParaFormat(editor, para, pFmt);
/* Invalidate values that change across the selected paragraphs. */
while (para != para_end)
{
para = para->member.para.next_para;
curFmt = para->member.para.pFmt;
#define CHECK_FIELD(m, f) \
if (pFmt->f != curFmt->f) pFmt->dwMask &= ~(m);
CHECK_FIELD(PFM_NUMBERING, wNumbering);
CHECK_FIELD(PFM_STARTINDENT, dxStartIndent);
CHECK_FIELD(PFM_RIGHTINDENT, dxRightIndent);
CHECK_FIELD(PFM_OFFSET, dxOffset);
CHECK_FIELD(PFM_ALIGNMENT, wAlignment);
if (pFmt->dwMask & PFM_TABSTOPS) {
if (pFmt->cTabCount != para->member.para.pFmt->cTabCount ||
memcmp(pFmt->rgxTabs, curFmt->rgxTabs, curFmt->cTabCount*sizeof(int)))
pFmt->dwMask &= ~PFM_TABSTOPS;
}
if (pFmt->dwMask >= sizeof(PARAFORMAT2))
{
pFmt->dwMask &= ~((pFmt->wEffects ^ curFmt->wEffects) << 16);
CHECK_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
CHECK_FIELD(PFM_SPACEAFTER, dySpaceAfter);
CHECK_FIELD(PFM_LINESPACING, dyLineSpacing);
CHECK_FIELD(PFM_STYLE, sStyle);
CHECK_FIELD(PFM_SPACEAFTER, bLineSpacingRule);
CHECK_FIELD(PFM_SHADING, wShadingWeight);
CHECK_FIELD(PFM_SHADING, wShadingStyle);
CHECK_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
CHECK_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
CHECK_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
CHECK_FIELD(PFM_BORDER, wBorderSpace);
CHECK_FIELD(PFM_BORDER, wBorderWidth);
CHECK_FIELD(PFM_BORDER, wBorders);
}
#undef CHECK_FIELD
}
}
BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt)
{
ME_DisplayItem *para, *para_end;
ME_GetSelectionParas(editor, ¶, ¶_end);
do {
ME_SetParaFormat(editor, para, pFmt);
if (para == para_end)
break;
para = para->member.para.next_para;
} while(1);
return TRUE;
}
