run.c File Reference

#include "editor.h"

Include dependency graph for run.c:

Go to the source code of this file.

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (richedit)
	WINE_DECLARE_DEBUG_CHANNEL (richedit_check)
	WINE_DECLARE_DEBUG_CHANNEL (richedit_lists)
BOOL	cursor_next_run (ME_Cursor *cursor, BOOL all_para)
BOOL	cursor_prev_run (ME_Cursor *cursor, BOOL all_para)
ME_Run *	run_next (ME_Run *run)
ME_Run *	run_prev (ME_Run *run)
ME_Run *	run_next_all_paras (ME_Run *run)
ME_Run *	run_prev_all_paras (ME_Run *run)
BOOL	ME_CanJoinRuns (const ME_Run *run1, const ME_Run *run2)
void	editor_propagate_char_ofs (ME_Paragraph *para, ME_Run *run, int shift)
void	ME_CheckCharOffsets (ME_TextEditor *editor)
int	run_char_ofs (ME_Run *run, int ofs)
void	cursor_from_char_ofs (ME_TextEditor *editor, int char_ofs, ME_Cursor *cursor)
void	run_join (ME_TextEditor *editor, ME_Run *run)
ME_Run *	run_split (ME_TextEditor *editor, ME_Cursor *cursor)
ME_Run *	run_create (ME_Style *s, int flags)
ME_Run *	run_insert (ME_TextEditor *editor, ME_Cursor *cursor, ME_Style *style, const WCHAR *str, int len, int flags)
static BOOL	run_is_splittable (const ME_Run *run)
static BOOL	run_is_entirely_ws (const ME_Run *run)
void	ME_UpdateRunFlags (ME_TextEditor *editor, ME_Run *run)
int	ME_CharFromPointContext (ME_Context *c, int cx, ME_Run *run, BOOL closest, BOOL visual_order)
int	ME_CharFromPoint (ME_TextEditor *editor, int cx, ME_Run *run, BOOL closest, BOOL visual_order)
static void	ME_GetTextExtent (ME_Context *c, LPCWSTR szText, int nChars, ME_Style *s, SIZE *size)
int	ME_PointFromCharContext (ME_Context *c, ME_Run *pRun, int nOffset, BOOL visual_order)
int	ME_PointFromChar (ME_TextEditor *editor, ME_Run *pRun, int nOffset, BOOL visual_order)
SIZE	ME_GetRunSizeCommon (ME_Context *c, const ME_Paragraph *para, ME_Run *run, int nLen, int startx, int *pAscent, int *pDescent)
void	ME_SetSelectionCharFormat (ME_TextEditor *editor, CHARFORMAT2W *pFmt)
void	ME_SetCharFormat (ME_TextEditor *editor, ME_Cursor *start, ME_Cursor *end, CHARFORMAT2W *fmt)
static void	run_copy_char_fmt (ME_Run *run, CHARFORMAT2W *fmt)
void	ME_GetDefaultCharFormat (ME_TextEditor *editor, CHARFORMAT2W *pFmt)
void	ME_GetSelectionCharFormat (ME_TextEditor *editor, CHARFORMAT2W *pFmt)
void	ME_GetCharFormat (ME_TextEditor *editor, const ME_Cursor *from, const ME_Cursor *to, CHARFORMAT2W *fmt)

Function Documentation

cursor_from_char_ofs()

void cursor_from_char_ofs	(	ME_TextEditor *	editor,
		int	char_ofs,
		ME_Cursor *	cursor
	)

Definition at line 240 of file run.c.

{
    ME_Paragraph *para;
    ME_Run *run;
 
    char_ofs = min( max( char_ofs, 0 ), ME_GetTextLength( editor ) );
 
    /* Find the paragraph at the offset. */
    for (para = editor_first_para( editor );
         para_next( para )->nCharOfs <= char_ofs;
         para = para_next( para ))
        ;
 
    char_ofs -= para->nCharOfs;
 
    /* Find the run at the offset. */
    for (run = para_first_run( para );
         run_next( run ) && run_next( run )->nCharOfs <= char_ofs;
         run = run_next( run ))
        ;
 
    char_ofs -= run->nCharOfs;
 
    cursor->para = para;
    cursor->run = run;
    cursor->nOffset = char_ofs;
}

Referenced by editor_handle_message(), fnTextSrv_TxGetText(), get_textfont_prop_for_pos(), IRichEditOle_fnGetClipboardData(), IRichEditOle_fnGetObject(), ITextRange_fnGetChar(), ITextRange_fnGetText(), ITextRange_fnScrollIntoView(), ITextRange_fnSetText(), ME_FindText(), ME_GetSelectionType(), ME_InternalDeleteText(), ME_PlayUndoItem(), ME_StreamIn(), set_selection_cursors(), set_textfont_prop(), textrange_copy_or_cut(), textrange_endof(), textrange_move(), textrange_moveend(), textrange_movestart(), and textrange_set_font().

cursor_next_run()

BOOL cursor_next_run	(	ME_Cursor *	cursor,
		BOOL	all_para
	)

Definition at line 30 of file run.c.

{
    ME_DisplayItem *p = run_get_di( cursor->run )->next;
 
    while (p->type != diTextEnd)
    {
        if (p->type == diParagraph && !all_para) return FALSE;
        else if (p->type == diRun)
        {
            cursor->run = &p->member.run;
            cursor->para = cursor->run->para;
            cursor->nOffset = 0;
            return TRUE;
        }
        p = p->next;
    }
    return FALSE;
}

Referenced by ME_FindNextURLCandidate(), ME_StreamOutRTF(), run_next(), and run_next_all_paras().

cursor_prev_run()

BOOL cursor_prev_run	(	ME_Cursor *	cursor,
		BOOL	all_para
	)

Definition at line 49 of file run.c.

{
    ME_DisplayItem *p = run_get_di( cursor->run )->prev;
 
    while (p->type != diTextStart)
    {
        if (p->type == diParagraph && !all_para) return FALSE;
        else if (p->type == diRun)
        {
            cursor->run = &p->member.run;
            cursor->para = cursor->run->para;
            cursor->nOffset = 0;
            return TRUE;
        }
        p = p->prev;
    }
    return FALSE;
}

Referenced by run_prev(), and run_prev_all_paras().

editor_propagate_char_ofs()

void editor_propagate_char_ofs	(	ME_Paragraph *	para,
		ME_Run *	run,
		int	shift
	)

Definition at line 147 of file run.c.

{
    assert( !para ^ !run );
 
    if (run)
    {
        para = para_next( run->para );
        do
        {
            run->nCharOfs += shift;
            run = run_next( run );
        } while (run);
    }
 
    do
    {
        para->nCharOfs += shift;
        para = para_next( para );
    } while (para);
}

Referenced by ME_InternalDeleteText(), para_join(), para_split(), and run_insert().

ME_CanJoinRuns()

BOOL ME_CanJoinRuns	(	const ME_Run *	run1,
		const ME_Run *	run2
	)

Definition at line 129 of file run.c.

{
  if ((run1->nFlags | run2->nFlags) & MERF_NOJOIN)
    return FALSE;
  if (run1->style != run2->style)
    return FALSE;
  if ((run1->nFlags & MERF_STYLEFLAGS) != (run2->nFlags & MERF_STYLEFLAGS))
    return FALSE;
  return TRUE;
}

Referenced by ME_PrepareParagraphForWrapping().

ME_CharFromPoint()

int ME_CharFromPoint	(	ME_TextEditor *	editor,
		int	cx,
		ME_Run *	run,
		BOOL	closest,
		BOOL	visual_order
	)

Definition at line 570 of file run.c.

{
    ME_Context c;
    int ret;
    HDC hdc = ITextHost_TxGetDC( editor->texthost );
 
    ME_InitContext( &c, editor, hdc );
    ret = ME_CharFromPointContext( &c, cx, run, closest, visual_order );
    ME_DestroyContext(&c);
    ITextHost_TxReleaseDC( editor->texthost, hdc );
    return ret;
}

Referenced by row_cursor().

ME_CharFromPointContext()

int ME_CharFromPointContext	(	ME_Context *	c,
		int	cx,
		ME_Run *	run,
		BOOL	closest,
		BOOL	visual_order
	)

Definition at line 511 of file run.c.

{
  ME_String *mask_text = NULL;
  WCHAR *str;
  int fit = 0;
  SIZE sz, sz2, sz3;
  if (!run->len || cx <= 0)
    return 0;
 
  if (run->nFlags & (MERF_TAB | MERF_ENDCELL))
  {
    if (!closest || cx < run->nWidth / 2) return 0;
    return 1;
  }
 
  if (run->nFlags & MERF_GRAPHICS)
  {
    SIZE sz;
    ME_GetOLEObjectSize(c, run, &sz);
    if (!closest || cx < sz.cx / 2) return 0;
    return 1;
  }
 
  if (run->para->nFlags & MEPF_COMPLEX)
  {
      int cp, trailing;
      if (visual_order && run->script_analysis.fRTL) cx = run->nWidth - cx - 1;
 
      ScriptXtoCP( cx, run->len, run->num_glyphs, run->clusters, run->vis_attrs, run->advances, &run->script_analysis,
                   &cp, &trailing );
      TRACE("x %d cp %d trailing %d (run width %d) rtl %d log order %d\n", cx, cp, trailing, run->nWidth,
            run->script_analysis.fRTL, run->script_analysis.fLogicalOrder);
      return closest ? cp + trailing : cp;
  }
 
  if (c->editor->password_char)
  {
    mask_text = ME_MakeStringR( c->editor->password_char, run->len );
    str = mask_text->szData;
  }
  else
    str = get_text( run, 0 );
 
  select_style(c, run->style);
  GetTextExtentExPointW(c->hDC, str, run->len,
                        cx, &fit, NULL, &sz);
  if (closest && fit != run->len)
  {
    GetTextExtentPoint32W(c->hDC, str, fit, &sz2);
    GetTextExtentPoint32W(c->hDC, str, fit + 1, &sz3);
    if (cx >= (sz2.cx+sz3.cx)/2)
      fit = fit + 1;
  }
 
  ME_DestroyString( mask_text );
 
  return fit;
}

Referenced by find_split_point(), and ME_CharFromPoint().

ME_CheckCharOffsets()

void ME_CheckCharOffsets

(

ME_TextEditor *

editor

)

Definition at line 173 of file run.c.

{
  ME_DisplayItem *p = editor->pBuffer->pFirst;
  int ofs = 0, ofsp = 0;
 
  if (!TRACE_ON(richedit_check))
    return;
 
  TRACE_(richedit_check)("Checking begin\n");
  if(TRACE_ON(richedit_lists))
  {
    TRACE_(richedit_lists)("---\n");
    ME_DumpDocument(editor->pBuffer);
  }
  do {
    p = ME_FindItemFwd(p, diRunOrParagraphOrEnd);
    switch(p->type) {
      case diTextEnd:
        TRACE_(richedit_check)("tend, real ofsp = %d, counted = %d\n", p->member.para.nCharOfs, ofsp+ofs);
        assert(ofsp+ofs == p->member.para.nCharOfs);
        TRACE_(richedit_check)("Checking finished\n");
        return;
      case diParagraph:
        TRACE_(richedit_check)("para, real ofsp = %d, counted = %d\n", p->member.para.nCharOfs, ofsp+ofs);
        assert(ofsp+ofs == p->member.para.nCharOfs);
        ofsp = p->member.para.nCharOfs;
        ofs = 0;
        break;
      case diRun:
        TRACE_(richedit_check)("run, real ofs = %d (+ofsp = %d), counted = %d, len = %d, txt = %s, flags=%08x, fx&mask = %08x\n",
          p->member.run.nCharOfs, p->member.run.nCharOfs+ofsp, ofsp+ofs,
          p->member.run.len, debugstr_run( &p->member.run ),
          p->member.run.nFlags,
          p->member.run.style->fmt.dwMask & p->member.run.style->fmt.dwEffects);
        assert(ofs == p->member.run.nCharOfs);
        assert(p->member.run.len);
        ofs += p->member.run.len;
        break;
      case diCell:
        TRACE_(richedit_check)("cell\n");
        break;
      default:
        assert(0);
    }
  } while(1);
  TRACE_(richedit_check)("Checking finished\n");
}

Referenced by ME_ArrowKey(), ME_InternalDeleteText(), ME_KeyDown(), ME_MakeEditor(), para_join(), run_join(), and split_run_extents().

ME_GetCharFormat()

void ME_GetCharFormat	(	ME_TextEditor *	editor,
		const ME_Cursor *	from,
		const ME_Cursor *	to,
		CHARFORMAT2W *	fmt
	)

Definition at line 871 of file run.c.

{
  ME_Run *run, *run_end, *prev_run;
  CHARFORMAT2W tmp;
 
  run = from->run;
  /* special case - if selection is empty, take previous char's formatting */
  if (from->run == to->run && from->nOffset == to->nOffset)
  {
    if (!from->nOffset && (prev_run = run_prev( run ))) run = prev_run;
    run_copy_char_fmt( run, fmt );
    return;
  }
 
  run_end = to->run;
  if (!to->nOffset) run_end = run_prev_all_paras( run_end );
 
  run_copy_char_fmt( run, fmt );
 
  if (run == run_end) return;
 
  do {
    /* FIXME add more style feature comparisons */
    DWORD dwAttribs = CFM_SIZE | CFM_FACE | CFM_COLOR | CFM_UNDERLINETYPE;
    DWORD dwEffects = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINE | CFM_STRIKEOUT | CFM_PROTECTED | CFM_LINK | CFM_SUPERSCRIPT;
 
    run = run_next_all_paras( run );
 
    memset( &tmp, 0, sizeof(tmp) );
    tmp.cbSize = sizeof(tmp);
    run_copy_char_fmt( run, &tmp );
 
    assert((tmp.dwMask & dwAttribs) == dwAttribs);
    /* reset flags that differ */
 
    if (fmt->yHeight != tmp.yHeight) fmt->dwMask &= ~CFM_SIZE;
    if (fmt->dwMask & CFM_FACE)
    {
      if (!(tmp.dwMask & CFM_FACE))
        fmt->dwMask &= ~CFM_FACE;
      else if (wcscmp( fmt->szFaceName, tmp.szFaceName ) ||
               fmt->bPitchAndFamily != tmp.bPitchAndFamily)
        fmt->dwMask &= ~CFM_FACE;
    }
    if (fmt->yHeight != tmp.yHeight) fmt->dwMask &= ~CFM_SIZE;
    if (fmt->bUnderlineType != tmp.bUnderlineType) fmt->dwMask &= ~CFM_UNDERLINETYPE;
    if (fmt->dwMask & CFM_COLOR)
    {
      if (!((fmt->dwEffects&CFE_AUTOCOLOR) & (tmp.dwEffects&CFE_AUTOCOLOR)))
      {
        if (fmt->crTextColor != tmp.crTextColor)
          fmt->dwMask &= ~CFM_COLOR;
      }
    }
 
    fmt->dwMask &= ~((fmt->dwEffects ^ tmp.dwEffects) & dwEffects);
    fmt->dwEffects = tmp.dwEffects;
 
  } while(run != run_end);
}

Referenced by get_textfont_prop_for_pos(), ME_GetSelectionCharFormat(), ME_StreamIn(), and ME_UpdateLinkAttribute().

ME_GetDefaultCharFormat()

void ME_GetDefaultCharFormat	(	ME_TextEditor *	editor,
		CHARFORMAT2W *	pFmt
	)

Definition at line 842 of file run.c.

{
  ME_CopyCharFormat(pFmt, &editor->pBuffer->pDefaultStyle->fmt);
}

Referenced by editor_handle_message().

ME_GetRunSizeCommon()

SIZE ME_GetRunSizeCommon	(	ME_Context *	c,
		const ME_Paragraph *	para,
		ME_Run *	run,
		int	nLen,
		int	startx,
		int *	pAscent,
		int *	pDescent
	)

Definition at line 669 of file run.c.

{
  SIZE size;
 
  nLen = min( nLen, run->len );
 
  if (run->nFlags & MERF_ENDPARA)
  {
      nLen = min( nLen, 1 );
      ME_GetTextExtent( c, L" ", nLen, run->style, &size );
  }
  else if (para->nFlags & MEPF_COMPLEX)
  {
      size.cx = run->nWidth;
  }
  else if (c->editor->password_char)
  {
    ME_String *szMasked = ME_MakeStringR( c->editor->password_char, nLen );
    ME_GetTextExtent(c, szMasked->szData, nLen,run->style, &size); 
    ME_DestroyString(szMasked);
  }
  else
  {
    ME_GetTextExtent(c, get_text( run, 0 ), nLen, run->style, &size);
  }
  *pAscent = run->style->tm.tmAscent;
  *pDescent = run->style->tm.tmDescent;
  size.cy = *pAscent + *pDescent;
 
  if (run->nFlags & MERF_TAB)
  {
    int pos = 0, i = 0, ppos, shift = 0;
    const PARAFORMAT2 *pFmt = &para->fmt;
 
    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;
    do {
      if (i < pFmt->cTabCount)
      {
        /* 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);
        i++;
      }
      else
      {
        pos += lDefaultTab - (pos % lDefaultTab);
      }
      ppos = ME_twips2pointsX(c, pos);
      if (ppos > startx + run->pt.x) {
        size.cx = ppos - startx - run->pt.x;
        break;
      }
    } while(1);
    size.cy = *pAscent + *pDescent;
    return size;
  }
  if (run->nFlags & MERF_GRAPHICS)
  {
    ME_GetOLEObjectSize(c, run, &size);
    if (size.cy > *pAscent)
      *pAscent = size.cy;
    /* descent is unchanged */
    return size;
  }
  return size;
}

Referenced by calc_run_extent().

ME_GetSelectionCharFormat()

void ME_GetSelectionCharFormat	(	ME_TextEditor *	editor,
		CHARFORMAT2W *	pFmt
	)

Definition at line 853 of file run.c.

{
  ME_Cursor *from, *to;
  if (!ME_IsSelection(editor) && editor->pBuffer->pCharStyle)
  {
    ME_CopyCharFormat(pFmt, &editor->pBuffer->pCharStyle->fmt);
    return;
  }
  ME_GetSelection(editor, &from, &to);
  ME_GetCharFormat(editor, from, to, pFmt);
}

Referenced by editor_handle_message(), ME_KeyDown(), and update_caret().

ME_GetTextExtent()

static void ME_GetTextExtent ( ME_Context *  c, LPCWSTR  szText, int  nChars, ME_Style *  s, SIZE *  size  )

static

Definition at line 588 of file run.c.

{
    if (c->hDC)
    {
        select_style( c, s );
        GetTextExtentPoint32W( c->hDC, szText, nChars, size );
    }
    else
    {
        size->cx = 0;
        size->cy = 0;
    }
}

Referenced by ME_GetRunSizeCommon(), and ME_PointFromCharContext().

ME_PointFromChar()

int ME_PointFromChar	(	ME_TextEditor *	editor,
		ME_Run *	pRun,
		int	nOffset,
		BOOL	visual_order
	)

Definition at line 649 of file run.c.

{
    ME_Context c;
    int ret;
    HDC hdc = ITextHost_TxGetDC( editor->texthost );
 
    ME_InitContext( &c, editor, hdc );
    ret = ME_PointFromCharContext( &c, pRun, nOffset, visual_order );
    ME_DestroyContext(&c);
    ITextHost_TxReleaseDC( editor->texthost, hdc );
 
    return ret;
}

Referenced by editor_ensure_visible(), editor_handle_message(), and ME_GetXForArrow().

ME_PointFromCharContext()

int ME_PointFromCharContext	(	ME_Context *	c,
		ME_Run *	pRun,
		int	nOffset,
		BOOL	visual_order
	)

Definition at line 608 of file run.c.

{
  SIZE size;
  ME_String *mask_text = NULL;
  WCHAR *str;
 
  if (pRun->nFlags & MERF_GRAPHICS)
  {
    if (nOffset)
      ME_GetOLEObjectSize(c, pRun, &size);
    return nOffset != 0;
  } else if (pRun->nFlags & MERF_ENDPARA) {
    nOffset = 0;
  }
 
  if (pRun->para->nFlags & MEPF_COMPLEX)
  {
      int x;
      ScriptCPtoX( nOffset, FALSE, pRun->len, pRun->num_glyphs, pRun->clusters,
                   pRun->vis_attrs, pRun->advances, &pRun->script_analysis, &x );
      if (visual_order && pRun->script_analysis.fRTL) x = pRun->nWidth - x - 1;
      return x;
  }
  if (c->editor->password_char)
  {
    mask_text = ME_MakeStringR( c->editor->password_char, pRun->len );
    str = mask_text->szData;
  }
  else
      str = get_text( pRun, 0 );
 
  ME_GetTextExtent(c, str, nOffset, pRun->style, &size);
  ME_DestroyString( mask_text );
  return size.cx;
}

Referenced by cursor_coords(), get_selection_rect(), ME_InsertRowStart(), and ME_PointFromChar().

ME_SetCharFormat()

void ME_SetCharFormat	(	ME_TextEditor *	editor,
		ME_Cursor *	start,
		ME_Cursor *	end,
		CHARFORMAT2W *	fmt
	)

Definition at line 777 of file run.c.

{
  ME_Run *run, *start_run = start->run, *end_run = NULL;
 
  if (end && start->run == end->run && start->nOffset == end->nOffset)
    return;
 
  if (start->nOffset == start->run->len)
    start_run = run_next_all_paras( start->run );
  else if (start->nOffset)
  {
    /* run_split() may or may not update the cursors, depending on whether they
     * are selection cursors, but we need to make sure they are valid. */
    int split_offset = start->nOffset;
    ME_Run *split_run = run_split( editor, start );
    start_run = start->run;
    if (end && end->run == split_run)
    {
      end->run = start->run;
      end->nOffset -= split_offset;
    }
  }
 
  if (end)
  {
    if (end->nOffset == end->run->len)
      end_run = run_next_all_paras( end->run );
    else
    {
      if (end->nOffset) run_split( editor, end );
      end_run = end->run;
    }
  }
 
  for (run = start_run; run != end_run; run = run_next_all_paras( run ))
  {
    ME_Style *new_style = ME_ApplyStyle( editor, run->style, fmt );
    ME_Paragraph *para = run->para;
 
    add_undo_set_char_fmt( editor, para->nCharOfs + run->nCharOfs,
                           run->len, &run->style->fmt );
    ME_ReleaseStyle( run->style );
    run->style = new_style;
 
    /* The para numbering style depends on the eop style */
    if ((run->nFlags & MERF_ENDPARA) && para->para_num.style)
    {
      ME_ReleaseStyle(para->para_num.style);
      para->para_num.style = NULL;
    }
    para_mark_rewrap( editor, para );
  }
}

Referenced by editor_handle_message(), handle_EM_SETCHARFORMAT(), ME_PlayUndoItem(), ME_SetSelectionCharFormat(), ME_UpdateLinkAttribute(), para_join(), set_textfont_prop(), and textrange_set_font().

ME_SetSelectionCharFormat()

void ME_SetSelectionCharFormat	(	ME_TextEditor *	editor,
		CHARFORMAT2W *	pFmt
	)

Definition at line 748 of file run.c.

{
  if (!ME_IsSelection(editor))
  {
    ME_Style *s;
    if (!editor->pBuffer->pCharStyle)
      editor->pBuffer->pCharStyle = style_get_insert_style( editor, editor->pCursors );
    s = ME_ApplyStyle(editor, editor->pBuffer->pCharStyle, pFmt);
    ME_ReleaseStyle(editor->pBuffer->pCharStyle);
    editor->pBuffer->pCharStyle = s;
  } else {
    ME_Cursor *from, *to;
    ME_GetSelection(editor, &from, &to);
    ME_SetCharFormat(editor, from, to, pFmt);
  }
}

Referenced by editor_handle_message(), handle_EM_SETCHARFORMAT(), and ME_StreamIn().

ME_UpdateRunFlags()

void ME_UpdateRunFlags	(	ME_TextEditor *	editor,
		ME_Run *	run
	)

Definition at line 462 of file run.c.

{
  assert(run->nCharOfs >= 0);
 
  if (RUN_IS_HIDDEN(run) || run->nFlags & MERF_TABLESTART)
    run->nFlags |= MERF_HIDDEN;
  else
    run->nFlags &= ~MERF_HIDDEN;
 
  if (run_is_splittable( run ))
    run->nFlags |= MERF_SPLITTABLE;
  else
    run->nFlags &= ~MERF_SPLITTABLE;
 
  if (!(run->nFlags & MERF_NOTEXT))
  {
    if (run_is_entirely_ws( run ))
      run->nFlags |= MERF_WHITESPACE | MERF_STARTWHITE | MERF_ENDWHITE;
    else
    {
      run->nFlags &= ~MERF_WHITESPACE;
 
      if (ME_IsWSpace( *get_text( run, 0 ) ))
        run->nFlags |= MERF_STARTWHITE;
      else
        run->nFlags &= ~MERF_STARTWHITE;
 
      if (ME_IsWSpace( *get_text( run, run->len - 1 ) ))
        run->nFlags |= MERF_ENDWHITE;
      else
        run->nFlags &= ~MERF_ENDWHITE;
    }
  }
  else
    run->nFlags &= ~(MERF_WHITESPACE | MERF_STARTWHITE | MERF_ENDWHITE);
}

Referenced by ME_SplitByBacktracking(), ME_WrapSizeRun(), run_join(), and run_split().

run_char_ofs()

int run_char_ofs	(	ME_Run *	run,
		int	ofs
	)

Definition at line 228 of file run.c.

{
    return run->para->nCharOfs + run->nCharOfs + ofs;
}

Referenced by draw_run().

run_copy_char_fmt()

static void run_copy_char_fmt ( ME_Run *  run, CHARFORMAT2W *  fmt  )

static

Definition at line 831 of file run.c.

{
    ME_CopyCharFormat( fmt, &run->style->fmt );
}

Referenced by ME_GetCharFormat().

run_create()

ME_Run * run_create	(	ME_Style *	s,
		int	flags
	)

Definition at line 343 of file run.c.

{
    ME_DisplayItem *item = ME_MakeDI( diRun );
    ME_Run *run = &item->member.run;
 
    if (!item) return NULL;
 
    ME_AddRefStyle( s );
    run->style = s;
    run->reobj = NULL;
    run->nFlags = flags;
    run->nCharOfs = -1;
    run->len = 0;
    run->para = NULL;
    run->num_glyphs = 0;
    run->max_glyphs = 0;
    run->glyphs = NULL;
    run->vis_attrs = NULL;
    run->advances = NULL;
    run->offsets = NULL;
    run->max_clusters = 0;
    run->clusters = NULL;
    return run;
}

Referenced by ME_MakeFirstParagraph(), para_split(), run_insert(), and run_split().

run_insert()

ME_Run * run_insert	(	ME_TextEditor *	editor,
		ME_Cursor *	cursor,
		ME_Style *	style,
		const WCHAR *	str,
		int	len,
		int	flags
	)

Definition at line 375 of file run.c.

{
  ME_Run *insert_before = cursor->run, *run, *prev;
 
  if (cursor->nOffset)
  {
    if (cursor->nOffset == insert_before->len)
    {
      insert_before = run_next_all_paras( insert_before );
      if (!insert_before) insert_before = cursor->run; /* Always insert before the final eop run */
    }
    else
    {
      run_split( editor, cursor );
      insert_before = cursor->run;
    }
  }
 
  add_undo_delete_run( editor, insert_before->para->nCharOfs + insert_before->nCharOfs, len );
 
  run = run_create( style, flags );
  run->nCharOfs = insert_before->nCharOfs;
  run->len = len;
  run->para = insert_before->para;
  ME_InsertString( run->para->text, run->nCharOfs, str, len );
  ME_InsertBefore( run_get_di( insert_before ), run_get_di( run ) );
  TRACE("Shift length:%d\n", len);
  editor_propagate_char_ofs( NULL, insert_before, len );
  para_mark_rewrap( editor, insert_before->para );
 
  /* Move any cursors that were at the end of the previous run to the end of the inserted run */
  prev = run_prev_all_paras( run );
  if (prev)
  {
    int i;
 
    for (i = 0; i < editor->nCursors; i++)
    {
      if (editor->pCursors[i].run == prev &&
          editor->pCursors[i].nOffset == prev->len)
      {
        editor->pCursors[i].run = run;
        editor->pCursors[i].nOffset = len;
      }
    }
  }
 
  return run;
}

Referenced by ME_InsertEndRowFromCursor(), ME_InsertOLEFromCursor(), ME_InsertTextFromCursor(), and ME_PlayUndoItem().

run_is_entirely_ws()

static BOOL run_is_entirely_ws ( const ME_Run *  run )

static

Definition at line 444 of file run.c.

{
    WCHAR *str = get_text( run, 0 ), *p;
    int i;
 
    for (i = 0, p = str; i < run->len; i++, p++)
        if (!ME_IsWSpace( *p )) return FALSE;
 
    return TRUE;
}

Referenced by ME_UpdateRunFlags().

run_is_splittable()

static BOOL run_is_splittable ( const ME_Run *  run )

static

Definition at line 426 of file run.c.

{
    WCHAR *str = get_text( run, 0 ), *p;
    int i;
    BOOL found_ink = FALSE;
 
    for (i = 0, p = str; i < run->len; i++, p++)
    {
        if (ME_IsWSpace( *p ))
        {
            if (found_ink) return TRUE;
        }
        else
            found_ink = TRUE;
    }
    return FALSE;
}

Referenced by ME_UpdateRunFlags().

run_join()

void run_join	(	ME_TextEditor *	editor,
		ME_Run *	run
	)

Definition at line 273 of file run.c.

{
  ME_Run *next = run_next( run );
  int i;
 
  assert( run );
  assert( run->nCharOfs != -1 );
  para_mark_rewrap( editor, run->para );
 
  /* Update all cursors so that they don't contain the soon deleted run */
  for (i = 0; i < editor->nCursors; i++)
  {
    if (editor->pCursors[i].run == next)
    {
      editor->pCursors[i].run = run;
      editor->pCursors[i].nOffset += run->len;
    }
  }
 
  run->len += next->len;
  ME_Remove( run_get_di( next ) );
  ME_DestroyDisplayItem( run_get_di( next ) );
  ME_UpdateRunFlags( editor, run );
  ME_CheckCharOffsets( editor );
}

Referenced by ME_PrepareParagraphForWrapping().

run_next()

ME_Run * run_next

(

ME_Run *

run

)

Definition at line 68 of file run.c.

{
    ME_Cursor cursor;
 
    cursor.run = run;
    cursor.para = run->para;
    cursor.nOffset = 0;
 
    if (cursor_next_run( &cursor, FALSE ))
        return cursor.run;
 
    return NULL;
}

Referenced by cursor_from_char_ofs(), editor_propagate_char_ofs(), itemize_para(), layout_row(), link_notify(), ME_InsertRowStart(), ME_InsertTextFromCursor(), ME_InternalDeleteText(), ME_MoveCursorChars(), ME_MoveCursorWords(), ME_WrapHandleRun(), para_join(), para_split(), run_join(), shape_para(), table_protect_partial_deletion(), and table_select_next_cell_or_append().

run_next_all_paras()

ME_Run * run_next_all_paras

(

ME_Run *

run

)

Definition at line 96 of file run.c.

{
    ME_Cursor cursor;
 
    cursor.run = run;
    cursor.para = run->para;
    cursor.nOffset = 0;
 
    if (cursor_next_run( &cursor, TRUE ))
        return cursor.run;
 
    return NULL;
}

Referenced by ME_FindText(), ME_GetCharFormat(), ME_GetTextW(), ME_SetCharFormat(), ME_StreamOutText(), ME_UpdateLinkAttribute(), run_insert(), stream_out_font_and_colour_tbls(), and table_select_next_cell_or_append().

run_prev()

ME_Run * run_prev

(

ME_Run *

run

)

Definition at line 82 of file run.c.

{
    ME_Cursor cursor;
 
    cursor.run = run;
    cursor.para = run->para;
    cursor.nOffset = 0;
 
    if (cursor_prev_run( &cursor, FALSE ))
        return cursor.run;
 
    return NULL;
}

Referenced by cursor_coords(), layout_row(), link_notify(), ME_GetCharFormat(), ME_InsertRowStart(), ME_InsertTextFromCursor(), ME_MaximizeSplit(), ME_MoveCursorChars(), ME_MoveCursorWords(), ME_WrapHandleRun(), style_get_insert_style(), and table_handle_tab().

run_prev_all_paras()

ME_Run * run_prev_all_paras

(

ME_Run *

run

)

Definition at line 110 of file run.c.

{
    ME_Cursor cursor;
 
    cursor.run = run;
    cursor.para = run->para;
    cursor.nOffset = 0;
 
    if (cursor_prev_run( &cursor, TRUE ))
        return cursor.run;
 
    return NULL;
}

Referenced by editor_handle_message(), ME_FindText(), ME_GetCharFormat(), ME_InsertOLEFromCursor(), ME_InternalDeleteText(), and run_insert().

run_split()

ME_Run * run_split	(	ME_TextEditor *	editor,
		ME_Cursor *	cursor
	)

Definition at line 305 of file run.c.

{
    ME_Run *run = cursor->run, *new_run;
    int i;
    int nOffset = cursor->nOffset;
 
    assert( !(run->nFlags & MERF_NONTEXT) );
 
    new_run = run_create( run->style, run->nFlags & MERF_SPLITMASK );
    new_run->nCharOfs = run->nCharOfs + nOffset;
    new_run->len = run->len - nOffset;
    new_run->para = run->para;
    run->len = nOffset;
    cursor->run = new_run;
    cursor->nOffset = 0;
 
    ME_InsertBefore( run_get_di( run )->next, run_get_di( new_run ) );
 
    ME_UpdateRunFlags( editor, run );
    ME_UpdateRunFlags( editor, new_run );
    for (i = 0; i < editor->nCursors; i++)
    {
        if (editor->pCursors[i].run == run &&
            editor->pCursors[i].nOffset >= nOffset)
        {
            editor->pCursors[i].run = new_run;
            editor->pCursors[i].nOffset -= nOffset;
        }
    }
    para_mark_rewrap( editor, run->para );
    return run;
}

Referenced by itemize_para(), ME_InsertTextFromCursor(), ME_PlayUndoItem(), ME_SetCharFormat(), run_insert(), split_run_extents(), and table_insert_end_para().

WINE_DECLARE_DEBUG_CHANNEL() [1/2]

WINE_DECLARE_DEBUG_CHANNEL

(

richedit_check

)

WINE_DECLARE_DEBUG_CHANNEL() [2/2]

WINE_DECLARE_DEBUG_CHANNEL

(

richedit_lists

)

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

richedit

)