C++ (Cpp) ME_StrLen Examples

Example #1

File: string.c Project: WASSUM/longene_travel

int ME_GetCharBack(const ME_String *s, int nPos)
{
  int nVPos = ME_StrVLen(s);

  assert(nPos < ME_StrLen(s));
  if (nPos)
    nVPos = ME_StrRelPos2(s, nVPos, -nPos);
  
  if (nVPos < s->nLen)
    return s->szData[nVPos];
  return -1;
}

Example #2

void
ME_GetCursorCoordinates(ME_TextEditor *editor, ME_Cursor *pCursor,
                        int *x, int *y, int *height)
{
  ME_DisplayItem *pCursorRun = pCursor->pRun;
  ME_DisplayItem *pSizeRun = pCursor->pRun;

  assert(height && x && y);
  assert(!(ME_GetParagraph(pCursorRun)->member.para.nFlags & MEPF_REWRAP));
  assert(pCursor->pRun);
  assert(pCursor->pRun->type == diRun);

  if (pCursorRun->type == diRun) {
    ME_DisplayItem *row = ME_FindItemBack(pCursorRun, diStartRowOrParagraph);

    if (row) {
      HDC hDC = GetDC(editor->hWnd);
      ME_Context c;
      ME_DisplayItem *run = pCursorRun;
      ME_DisplayItem *para = NULL;
      SIZE sz = {0, 0};

      ME_InitContext(&c, editor, hDC);

      if (!pCursor->nOffset)
      {
        ME_DisplayItem *prev = ME_FindItemBack(pCursorRun, diRunOrParagraph);
        assert(prev);
        if (prev->type == diRun)
          pSizeRun = prev;
      }
      assert(row->type == diStartRow); /* paragraph -> run without start row ?*/
      para = ME_FindItemBack(row, diParagraph);
      assert(para);
      assert(para->type == diParagraph);
      if (editor->bCaretAtEnd && !pCursor->nOffset &&
          run == ME_FindItemFwd(row, diRun))
      {
        ME_DisplayItem *tmp = ME_FindItemBack(row, diRunOrParagraph);
        assert(tmp);
        if (tmp->type == diRun)
        {
          row = ME_FindItemBack(tmp, diStartRow);
          pSizeRun = run = tmp;
          assert(run);
          assert(run->type == diRun);
          sz = ME_GetRunSize(&c, &para->member.para,
                             &run->member.run, ME_StrLen(run->member.run.strText),
                             row->member.row.nLMargin);
        }
      }
      if (pCursor->nOffset) {
        sz = ME_GetRunSize(&c, &para->member.para, &run->member.run, pCursor->nOffset,
                           row->member.row.nLMargin);
      }

      *height = pSizeRun->member.run.nAscent + pSizeRun->member.run.nDescent;
      *x = c.rcView.left + run->member.run.pt.x + sz.cx - editor->horz_si.nPos;
      *y = c.rcView.top + para->member.para.pt.y + row->member.row.nBaseline
           + run->member.run.pt.y - pSizeRun->member.run.nAscent - editor->vert_si.nPos;
      ME_DestroyContext(&c, editor->hWnd);
      return;
    }
  }
  *height = 10; /* FIXME use global font */
  *x = 0;
  *y = 0;
}