[ros-diffs] [gvg] 14089: Vendor drop

gvg at svn.reactos.com gvg at svn.reactos.com
Tue Mar 15 09:22:08 CET 2005


Vendor drop
Added: vendor/wine/dlls/riched20/
Added: vendor/wine/dlls/riched20/current/
Added: vendor/wine/dlls/riched20/current/Makefile.in
Added: vendor/wine/dlls/riched20/current/caret.c
Added: vendor/wine/dlls/riched20/current/context.c
Added: vendor/wine/dlls/riched20/current/editor.c
Added: vendor/wine/dlls/riched20/current/editor.h
Added: vendor/wine/dlls/riched20/current/editstr.h
Added: vendor/wine/dlls/riched20/current/list.c
Added: vendor/wine/dlls/riched20/current/paint.c
Added: vendor/wine/dlls/riched20/current/para.c
Added: vendor/wine/dlls/riched20/current/reader.c
Added: vendor/wine/dlls/riched20/current/riched20.spec
Added: vendor/wine/dlls/riched20/current/richole.c
Added: vendor/wine/dlls/riched20/current/row.c
Added: vendor/wine/dlls/riched20/current/rtf.h
Added: vendor/wine/dlls/riched20/current/run.c
Added: vendor/wine/dlls/riched20/current/string.c
Added: vendor/wine/dlls/riched20/current/style.c
Added: vendor/wine/dlls/riched20/current/undo.c
Added: vendor/wine/dlls/riched20/current/wrap.c
  _____  

Added: vendor/wine/dlls/riched20/current/Makefile.in
--- vendor/wine/dlls/riched20/current/Makefile.in	2005-03-15
08:10:52 UTC (rev 14088)
+++ vendor/wine/dlls/riched20/current/Makefile.in	2005-03-15
08:22:05 UTC (rev 14089)
@@ -0,0 +1,27 @@

+TOPSRCDIR = @top_srcdir@
+TOPOBJDIR = ../..
+SRCDIR    = @srcdir@
+VPATH     = @srcdir@
+MODULE    = riched20.dll
+IMPORTS   = user32 gdi32 kernel32
+EXTRALIBS = -luuid
+
+C_SRCS = \
+	caret.c \
+	context.c \
+	editor.c \
+	list.c \
+	paint.c \
+	para.c \
+	reader.c \
+	richole.c \
+	row.c \
+	run.c \
+	string.c \
+	style.c \
+	undo.c \
+	wrap.c
+
+ at MAKE_DLL_RULES@
+
+### Dependencies:
Property changes on: vendor/wine/dlls/riched20/current/Makefile.in
___________________________________________________________________
Name: svn:keywords
   + Author Date Id Revision
Name: svn:eol-style
   + native
  _____  

Added: vendor/wine/dlls/riched20/current/caret.c
--- vendor/wine/dlls/riched20/current/caret.c	2005-03-15 08:10:52 UTC
(rev 14088)
+++ vendor/wine/dlls/riched20/current/caret.c	2005-03-15 08:22:05 UTC
(rev 14089)
@@ -0,0 +1,977 @@

+/*
+ * RichEdit - Caret and selection functions.
+ *
+ * Copyright 2004 by Krzysztof Foltman
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
USA
+ */
+
+
+#include "editor.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(richedit);
+
+void ME_GetSelection(ME_TextEditor *editor, int *from, int *to)
+{
+  *from = ME_GetCursorOfs(editor, 0);
+  *to =   ME_GetCursorOfs(editor, 1);
+  
+  if (*from > *to)
+  {
+    int tmp = *from;
+    *from = *to;
+    *to = tmp;    
+  }
+}
+
+int ME_GetTextLength(ME_TextEditor *editor)
+{
+  return ME_CharOfsFromRunOfs(editor,
ME_FindItemBack(editor->pBuffer->pLast, diRun), 0);   
+}
+
+void ME_SetSelection(ME_TextEditor *editor, int from, int to)
+{
+  if (from == 0 && to == -1)
+  {
+    editor->pCursors[1].pRun = ME_FindItemFwd(editor->pBuffer->pFirst,
diRun); 
+    editor->pCursors[1].nOffset = 0; 
+    editor->pCursors[0].pRun = ME_FindItemBack(editor->pBuffer->pLast,
diRun); 
+    editor->pCursors[0].nOffset = 0; 
+    ME_Repaint(editor);
+    ME_ClearTempStyle(editor);
+    return;
+  }
+  if (from == -1)
+  {
+    editor->pCursors[1] = editor->pCursors[0]; 
+    ME_Repaint(editor);
+    ME_ClearTempStyle(editor);
+    return;
+  }
+  if (from>to)
+  {
+    int tmp = from;
+    from = to;
+    to = tmp;
+  }
+  ME_RunOfsFromCharOfs(editor, from, &editor->pCursors[1].pRun,
&editor->pCursors[1].nOffset);
+  ME_RunOfsFromCharOfs(editor, to, &editor->pCursors[0].pRun,
&editor->pCursors[0].nOffset);  
+}
+
+void ME_MoveCaret(ME_TextEditor *editor)
+{
+  HDC hDC = GetDC(editor->hWnd);
+  ME_Context c;
+
+  ME_Cursor *pCursor = &editor->pCursors[0];
+  ME_DisplayItem *pCursorRun = pCursor->pRun;
+  ME_DisplayItem *pSizeRun = pCursor->pRun;
+  
+  ME_InitContext(&c, editor, hDC);
+  assert(!pCursor->nOffset || !editor->bCaretAtEnd);
+  
+  if (pCursorRun->type == diRun) {
+    ME_DisplayItem *row = ME_FindItemBack(pCursorRun,
diStartRowOrParagraph);
+    if (row) {
+      ME_DisplayItem *run = pCursorRun;
+      ME_DisplayItem *para;
+      SIZE sz = {0, 0};
+      if (!pCursor->nOffset && !editor->bCaretAtEnd)
+      {
+        ME_DisplayItem *prev = ME_FindItemBack(pCursorRun,
diRunOrStartRow);
+        if (prev->type == diRun)
+          pSizeRun = prev;
+      }
+      assert(row->type == diStartRow); /* paragraph -> run without
start row ?*/
+      para = ME_FindItemBack(row, diParagraph);
+      if (editor->bCaretAtEnd && !pCursor->nOffset && 
+          run == ME_FindItemFwd(row, diRun))
+      {
+        ME_DisplayItem *tmp = ME_FindItemBack(row, diRunOrParagraph);
+        if (tmp->type == diRun)
+        {
+          row = ME_FindItemBack(tmp, diStartRow);
+          pSizeRun = run = tmp;
+          sz = ME_GetRunSize(&c, &run->member.run,
ME_StrLen(run->member.run.strText));
+        }
+      }
+      if (pCursor->nOffset && !(run->member.run.nFlags & MERF_SKIPPED))
{
+        sz = ME_GetRunSize(&c, &run->member.run, pCursor->nOffset);
+      }
+      CreateCaret(editor->hWnd, NULL, 0,
pSizeRun->member.run.nAscent+pSizeRun->member.run.nDescent);
+      SetCaretPos(run->member.run.pt.x+sz.cx,
+
para->member.para.nYPos+row->member.row.nBaseline+pSizeRun->member.run.p
t.y-pSizeRun->member.run.nAscent-GetScrollPos(editor->hWnd, SB_VERT));
+    } else {
+      assert(0 == "Wrapped paragraph run without a row?");
+      CreateCaret(editor->hWnd, NULL, 0, 10);
+      SetCaretPos(0,0);
+    }
+  }  
+  else {
+    assert(0 == "Cursor not on a run");
+    CreateCaret(editor->hWnd, NULL, 0, 10); /* FIXME use global font */
+    SetCaretPos(0,0);
+  }
+  ME_DestroyContext(&c);
+  ReleaseDC(editor->hWnd, hDC);
+}
+
+void ME_ShowCaret(ME_TextEditor *ed)
+{
+  ME_MoveCaret(ed);
+  ShowCaret(ed->hWnd);
+}
+
+void ME_HideCaret(ME_TextEditor *ed)
+{
+  HideCaret(ed->hWnd);
+  DestroyCaret();
+}
+
+void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, 
+  int nChars)
+{
+  ME_Cursor c;
+  int shift = 0;
+  
+  while(nChars > 0)
+  {
+    ME_Run *run;
+    ME_CursorFromCharOfs(editor, nOfs, &c);
+    run = &c.pRun->member.run;
+    if (run->nFlags & MERF_ENDPARA) {
+      if (!ME_FindItemFwd(c.pRun, diParagraph))
+      {
+        return;
+      }
+      ME_JoinParagraphs(editor, ME_GetParagraph(c.pRun));
+      /* ME_SkipAndPropagateCharOffset(p->pRun, shift); */
+      ME_CheckCharOffsets(editor);
+      nChars--;
+      continue;
+    }
+    else
+    {
+      ME_Cursor cursor;
+      int nIntendedChars = nChars;
+      int nCharsToDelete = nChars;
+      int i;
+      int loc = c.nOffset;
+      
+      ME_FindItemBack(c.pRun, diParagraph)->member.para.nFlags |=
MEPF_REWRAP;
+      
+      cursor = c;
+      ME_StrRelPos(run->strText, loc, &nChars);
+      /* nChars is the number of characters that should be deleted from
the
+         FOLLOWING runs (these AFTER cursor.pRun)
+         nCharsToDelete is a number of chars to delete from THIS run */
+      nCharsToDelete -= nChars;
+      shift -= nCharsToDelete;
+      TRACE("Deleting %d (intended %d-remaning %d) chars at %d in '%s'
(%d)\n", 
+        nCharsToDelete, nIntendedChars, nChars, c.nOffset, 
+        debugstr_w(run->strText->szData), run->strText->nLen);
+
+      if (!c.nOffset && ME_StrVLen(run->strText) == nCharsToDelete)
+      {
+        /* undo = reinsert whole run */
+        /* nOfs is a character offset (from the start of the document
+           to the current (deleted) run */
+        ME_UndoItem *pUndo = ME_AddUndoItem(editor, diUndoInsertRun,
c.pRun);
+        if (pUndo)
+          pUndo->di.member.run.nCharOfs = nOfs;
+      }
+      else
+      {
+        /* undo = reinsert partial run */
+        ME_UndoItem *pUndo = ME_AddUndoItem(editor, diUndoInsertRun,
c.pRun);
+        if (pUndo) {
+          ME_DestroyString(pUndo->di.member.run.strText);
+          pUndo->di.member.run.nCharOfs = nOfs;
+          pUndo->di.member.run.strText =
ME_MakeStringN(run->strText->szData+c.nOffset, nCharsToDelete);
+        }
+      }
+      TRACE("Post deletion string: %s (%d)\n",
debugstr_w(run->strText->szData), run->strText->nLen);
+      TRACE("Shift value: %d\n", shift);
+      ME_StrDeleteV(run->strText, c.nOffset, nCharsToDelete);
+      
+      /* update cursors (including c) */
+      for (i=-1; i<editor->nCursors; i++) {
+        ME_Cursor *pThisCur = editor->pCursors + i; 
+        if (i == -1) pThisCur = &c;
+        if (pThisCur->pRun == cursor.pRun) {
+          if (pThisCur->nOffset > cursor.nOffset) {
+            if (pThisCur->nOffset-cursor.nOffset < nCharsToDelete)
+              pThisCur->nOffset = cursor.nOffset;
+            else
+              pThisCur->nOffset -= nCharsToDelete;
+            assert(pThisCur->nOffset >= 0);
+            assert(pThisCur->nOffset <= ME_StrVLen(run->strText));
+          }
+          if (pThisCur->nOffset == ME_StrVLen(run->strText))
+          {
+            pThisCur->pRun = ME_FindItemFwd(pThisCur->pRun,
diRunOrParagraphOrEnd);
+            assert(pThisCur->pRun->type == diRun);
+            pThisCur->nOffset = 0;
+          }
+        }
+      }
+      
+      /* c = updated data now */
+      
+      if (c.pRun == cursor.pRun)
+        ME_SkipAndPropagateCharOffset(c.pRun, shift);
+      else
+        ME_PropagateCharOffset(c.pRun, shift);
+
+      if (!ME_StrVLen(cursor.pRun->member.run.strText))
+      {
+        TRACE("Removing useless run\n");
+        ME_Remove(cursor.pRun);
+        ME_DestroyDisplayItem(cursor.pRun);
+      }
+      
+      shift = 0;
+      /*
+      ME_CheckCharOffsets(editor);
+      */
+      continue;
+    }
+  }
+}
+
+void ME_DeleteTextAtCursor(ME_TextEditor *editor, int nCursor, 
+  int nChars)
+{  
+  assert(nCursor>=0 && nCursor<editor->nCursors);
+  ME_InternalDeleteText(editor, ME_GetCursorOfs(editor, nCursor),
nChars);
+}
+
+static WCHAR wszSpace[] = {' ', 0};
+
+/* FIXME this is temporary, just to have something to test how bad
graphics handler is */
+void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor)
+{
+  ME_Cursor *pCursor = &editor->pCursors[nCursor];
+  ME_DisplayItem *pItem = NULL;
+  ME_DisplayItem *pNewRun = NULL;
+  ME_Style *pStyle = ME_GetInsertStyle(editor, nCursor);
+  ME_UndoItem *pUndo;
+  
+  /* FIXME no no no */
+  if (ME_IsSelection(editor))
+    ME_DeleteSelection(editor);
+
+  pUndo = ME_AddUndoItem(editor, diUndoDeleteRun, NULL);
+  if (pUndo) {
+    pUndo->nStart = pCursor->nOffset +
pCursor->pRun->member.run.nCharOfs +
ME_GetParagraph(pCursor->pRun)->member.para.nCharOfs;
+    pUndo->nLen = 1;
+  }
+  if (pCursor->nOffset)
+  {
+    ME_SplitRunSimple(editor, pCursor->pRun, pCursor->nOffset);
+  }
+  pItem = pCursor->pRun;
+  pNewRun = ME_MakeRun(pStyle, ME_MakeStringN(wszSpace, 1),
MERF_GRAPHICS);
+  pNewRun->member.run.nCharOfs = pCursor->pRun->member.run.nCharOfs;
+  ME_InsertBefore(pCursor->pRun, pNewRun);
+  ME_PropagateCharOffset(pItem, 1);
+  ME_CheckCharOffsets(editor);
+  ME_SendSelChange(editor);
+}
+
+void ME_InsertTextFromCursor(ME_TextEditor *editor, int nCursor, 
+  const WCHAR *str, int len, ME_Style *style)
+{
+  const WCHAR *pos;
+  ME_Cursor *p = NULL;
+
+  assert(style);
+  editor->bCaretAtEnd = FALSE;
+
+  /*
+  if (!style)
+    style = ME_GetInsertStyle(editor, nCursor);
+  else
+    ME_AddRefStyle(style);
+    */
+  ME_AddRefStyle(style);
+  
+  /* FIXME really HERE ? */
+  if (ME_IsSelection(editor))
+    ME_DeleteSelection(editor);
+
+  assert(nCursor>=0 && nCursor<editor->nCursors);
+  if (len == -1)
+    len = lstrlenW(str);
+  pos = str;
+  /* FIXME this sucks - no respect for unicode (what else can be a line
separator in unicode?) */
+  while(pos-str < len && *pos != '\r' && *pos != '\n')
+    pos++;
+  /* handle EOLs */
+  if (pos-str < len) {   
+    ME_DisplayItem *tp, *end_run;
+    ME_Paragraph *para;
+    ME_Style *tmp_style;
+    if (pos!=str)
+      ME_InsertTextFromCursor(editor, nCursor, str, pos-str, style);
+    p = &editor->pCursors[nCursor];
+    tp = ME_FindItemBack(p->pRun, diParagraph);
+    para = &tp->member.para;
+    assert(tp);
+    if (p->nOffset) {
+      ME_SplitRunSimple(editor, p->pRun, p->nOffset);
+      p = &editor->pCursors[nCursor];
+    }
+    tmp_style = ME_GetInsertStyle(editor, nCursor);
+    /* ME_SplitParagraph increases style refcount */
+    tp = ME_SplitParagraph(editor, p->pRun, p->pRun->member.run.style);
+    p->pRun = ME_FindItemFwd(tp, diRun);
+    end_run = ME_FindItemBack(tp, diRun);
+    ME_ReleaseStyle(end_run->member.run.style);
+    end_run->member.run.style = tmp_style;
+    p->nOffset = 0;
+    if(pos-str < len && *pos =='\r')
+      pos++;
+    if(pos-str < len && *pos =='\n')
+      pos++;
+    if(pos-str < len) {
+      ME_InsertTextFromCursor(editor, nCursor, pos, len-(pos-str),
style);
+    }
+    ME_ReleaseStyle(style);
+    return;
+  }
+  p = &editor->pCursors[nCursor];
+  if (style) {
+    ME_DisplayItem *pNewRun = NULL;
+
+    assert(p->pRun->type == diRun);
+    pNewRun = ME_MakeRun(style, ME_MakeStringN(str, len), 0); /*
addrefs style */
+    ME_InsertRun(editor, ME_CharOfsFromRunOfs(editor, p->pRun,
p->nOffset), pNewRun);
+    ME_DestroyDisplayItem(pNewRun);
+    ME_ReleaseStyle(style);
+    return;
+  } else {
+    assert(0);
+  }
+}
+
+BOOL ME_ArrowLeft(ME_TextEditor *editor, ME_Cursor *p)
+{
+  if (p->nOffset) {
+    p->nOffset = ME_StrRelPos2(p->pRun->member.run.strText, p->nOffset,
-1);
+    return TRUE;
+  }
+  else
+  {
+    ME_DisplayItem *pRun = ME_FindItemBack(p->pRun, diRunOrParagraph);
+    assert(pRun);
+    if (pRun->type == diRun) {
+      p->pRun = pRun;
+      assert(p->pRun->type == diRun);
+      assert(pRun->member.run.strText->nLen);
+      p->nOffset = pRun->member.run.strText->nLen;
+      if (p->nOffset) {
+        p->nOffset = ME_StrRelPos2(pRun->member.run.strText,
p->nOffset, -1);
+        return TRUE;
+      }
+      else
+        assert(0);
+    }
+    if (pRun->type == diParagraph)
+    {
+      if (pRun->member.para.prev_para->type == diTextStart)
+        return FALSE;
+      assert(pRun->member.para.prev_para->type == diParagraph);
+      pRun = ME_FindItemBack(pRun, diRunOrParagraph);
+      /* every paragraph ought to have at least one run */
+      assert(pRun && pRun->type == diRun);
+      assert(pRun->member.run.nFlags & MERF_ENDPARA);
+      p->pRun = pRun;
+      p->nOffset = 0;
+      return TRUE;
+    }
+    assert(0);
+  }
+}
+
+BOOL ME_ArrowRight(ME_TextEditor *editor, ME_Cursor *p)
+{
+  int new_ofs = ME_StrRelPos2(p->pRun->member.run.strText, p->nOffset,
1);
+  if (new_ofs<p->pRun->member.run.strText->nLen) {
+    p->nOffset = new_ofs;
+  }
+  else
+  {
+    ME_DisplayItem *pRun = ME_FindItemFwd(p->pRun, diRun);
+    if (pRun) {
+      p->pRun = pRun;
+      assert(p->pRun->type == diRun);
+      p->nOffset = 0;
+    }
+  }
+  return TRUE;
+}
+
+int ME_GetCursorOfs(ME_TextEditor *editor, int nCursor)
+{
+  ME_Cursor *pCursor = &editor->pCursors[nCursor];
+  
+  return ME_GetParagraph(pCursor->pRun)->member.para.nCharOfs
+    + pCursor->pRun->member.run.nCharOfs + pCursor->nOffset;
+}
+
+int ME_FindPixelPos(ME_TextEditor *editor, int x, int y, ME_Cursor
*result, BOOL *is_eol)
+{
+  ME_DisplayItem *p = editor->pBuffer->pFirst->member.para.next_para;
+  int rx = 0;
+  
+  if (is_eol)
+    *is_eol = 0;
+
+  while(p != editor->pBuffer->pLast)
+  {
+    if (p->type == diParagraph)
+    {
+      int ry = y - p->member.para.nYPos;
+      if (ry < 0)
+      {
+        result->pRun = ME_FindItemFwd(p, diRun);
+        result->nOffset = 0;
+        return 0;
+      }
+      if (ry >= p->member.para.nHeight)
+      {
+        p = p->member.para.next_para;
+        continue;
+      }
+      p = ME_FindItemFwd(p, diStartRow);
+      y = ry;
+      continue;
+    }
+    if (p->type == diStartRow)
+    {
+      int ry = y - p->member.row.nYPos;
+      if (ry < 0)
+        return 0;
+      if (ry >= p->member.row.nHeight)
+      {
+        p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
+        if (p->type != diStartRow)
+          return 0;
+        continue;
+      }
+      p = ME_FindItemFwd(p, diRun);
+      continue;
+    }
+    if (p->type == diRun)
+    {
+      ME_DisplayItem *pp;
+      rx = x - p->member.run.pt.x;
+      if (rx < 0)
+        rx = 0;
+      if (rx >= p->member.run.nWidth) /* not this run yet... find next
item */
+      {
+        pp = p;
+        do {
+          p = p->next;
+          if (p->type == diRun)
+          {
+            rx = x - p->member.run.pt.x;
+            goto continue_search;
+          }
+          if (p->type == diStartRow)
+          {
+            p = ME_FindItemFwd(p, diRun);
+            if (is_eol)
+              *is_eol = 1;
+            rx = 0; /* FIXME not sure */
+            goto found_here;
+          }
+          if (p->type == diParagraph || p->type == diTextEnd)
+          {
+            rx = 0; /* FIXME not sure */
+            p = pp;
+            goto found_here;
+          }
+        } while(1);
+        continue;
+      }
+    found_here:
+      if (p->member.run.nFlags & MERF_ENDPARA)
+        rx = 0;
+      result->pRun = p;
+      result->nOffset = ME_CharFromPointCursor(editor, rx,
&p->member.run);
+      if (editor->pCursors[0].nOffset == p->member.run.strText->nLen &&
rx)
+      {
+        result->pRun = ME_FindItemFwd(editor->pCursors[0].pRun, diRun);
+        result->nOffset = 0;
+      }
+      return 1;
+    }
+    assert(0);
+  continue_search:
+    ;
+  }
+  result->pRun = ME_FindItemBack(p, diRun);
+  result->nOffset = 0;
+  assert(result->pRun->member.run.nFlags & MERF_ENDPARA);
+  return 0;
+}
+
+void ME_LButtonDown(ME_TextEditor *editor, int x, int y)
+{
+  ME_Cursor tmp_cursor;
+  int is_selection = 0;
+  
+  editor->nUDArrowX = -1;
+  
+  y += GetScrollPos(editor->hWnd, SB_VERT);  
+
+  tmp_cursor = editor->pCursors[0];
+  is_selection = ME_IsSelection(editor);
+
+  ME_FindPixelPos(editor, x, y, &editor->pCursors[0],
&editor->bCaretAtEnd);
+  
+  if (GetKeyState(VK_SHIFT)>=0)
+  {
+    editor->pCursors[1] = editor->pCursors[0];
+  }
+  else
+  {
+    if (!is_selection) {
+      editor->pCursors[1] = tmp_cursor;
+      is_selection = 1;
+    }
+  }
+  HideCaret(editor->hWnd);
+  ME_MoveCaret(editor);
+  if (is_selection)
+    ME_Repaint(editor);
+  ShowCaret(editor->hWnd);
+  ME_ClearTempStyle(editor);
+  ME_SendSelChange(editor);
+}
+
+void ME_MouseMove(ME_TextEditor *editor, int x, int y)
+{
+  ME_Cursor tmp_cursor;
+  
+  y += GetScrollPos(editor->hWnd, SB_VERT);  
+
+  tmp_cursor = editor->pCursors[0];
+  if (!ME_FindPixelPos(editor, x, y, &editor->pCursors[0],
&editor->bCaretAtEnd))
+    /* return */;
+  
+  if (tmp_cursor.pRun == editor->pCursors[0].pRun && 
+      tmp_cursor.nOffset == editor->pCursors[0].nOffset)
+    return;
+  
+  HideCaret(editor->hWnd);
+  ME_MoveCaret(editor);
+  ME_Repaint(editor);
+  ShowCaret(editor->hWnd);
+  ME_SendSelChange(editor);
+}
+
+static ME_DisplayItem *ME_FindRunInRow(ME_TextEditor *editor,
ME_DisplayItem *pRow, 
+                                int x, int *pOffset, int *pbCaretAtEnd)
+{
+  ME_DisplayItem *pNext, *pLastRun;
+  pNext = ME_FindItemFwd(pRow, diRunOrStartRow);
+  assert(pNext->type == diRun);
+  pLastRun = pNext;
+  *pbCaretAtEnd = FALSE;
+  do {
+    int run_x = pNext->member.run.pt.x;
+    int width = pNext->member.run.nWidth;
+    if (x < run_x)
+    {
+      if (pOffset) *pOffset = 0;
+      return pNext;
+    }
+    if (x >= run_x && x < run_x+width)
+    {
+      int ch = ME_CharFromPointCursor(editor, x-run_x,
&pNext->member.run);
+      ME_String *s = pNext->member.run.strText;
+      if (ch < s->nLen) {
+        if (pOffset)
+          *pOffset = ch;
+        return pNext;          
+      }
+    }
+    pLastRun = pNext;
+    pNext = ME_FindItemFwd(pNext, diRunOrStartRow);
+  } while(pNext && pNext->type == diRun);
+  
+  if ((pLastRun->member.run.nFlags & MERF_ENDPARA) == 0)
+  {
+    pNext = ME_FindItemFwd(pNext, diRun);
+    if (pbCaretAtEnd) *pbCaretAtEnd = 1;
+    if (pOffset) *pOffset = 0;
+    return pNext;
+  } else {
+    if (pbCaretAtEnd) *pbCaretAtEnd = 0;
+    if (pOffset) *pOffset = 0;
+    return pLastRun;
+  }
+}
+
+static int ME_GetXForArrow(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRun = pCursor->pRun;
+  int x;
+
+  if (editor->nUDArrowX != -1)
+    x = editor->nUDArrowX;
+  else {
+    if (editor->bCaretAtEnd)
+    {
+      pRun = ME_FindItemBack(pRun, diRun);
+      assert(pRun);
+      x = pRun->member.run.pt.x + pRun->member.run.nWidth;
+    }
+    else {
+      x = pRun->member.run.pt.x;
+      x += ME_PointFromChar(editor, &pRun->member.run,
pCursor->nOffset);
+    }
+    editor->nUDArrowX = x;
+  }
+  return x;
+}
+
+void ME_ArrowUp(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRun = pCursor->pRun;
+  ME_DisplayItem *pItem, *pItem2;
+  int x = ME_GetXForArrow(editor, pCursor);
+  
+  if (editor->bCaretAtEnd && !pCursor->nOffset)
+  {
+    pRun = ME_FindItemBack(pRun, diRun);
+    if (!pRun)
+      return;
+  }
+  
+  /* start of this row */
+  pItem = ME_FindItemBack(pRun, diStartRow);
+  assert(pItem);
+  /* start of the previous row */
+  pItem2 = ME_FindItemBack(pItem, diStartRow);
+  /* no previous row = the first line of the first paragraph */
+  if (!pItem2) /* can't go up - don't go BOL (as in MS richedit) */
+    return;
+  /* FIXME
+  ME_WrapTextParagraph(editor, ME_FindItemBack(pItem2, diParagraph));
+  */
+  pCursor->pRun = ME_FindRunInRow(editor, pItem2, x, &pCursor->nOffset,
&editor->bCaretAtEnd);
+}
+
+void ME_ArrowDown(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRun = pCursor->pRun;
+  ME_DisplayItem *pItem;
+  int x = ME_GetXForArrow(editor, pCursor);
+  if (!pCursor->nOffset && editor->bCaretAtEnd)
+  {
+    pRun = ME_FindItemBack(pRun, diRun);
+/*    x = pRun->member.run.pt.x + pRun->member.run.nWidth; */
+  }
+  /* start of the next row */
+  pItem = ME_FindItemFwd(pRun, diStartRow);
+  /* FIXME If diParagraph is before diStartRow, wrap the next
paragraph?
+  */
+  if (!pItem)
+  {
+    /* next row not found - ignore */
+    return;
+  }
+  pCursor->pRun = ME_FindRunInRow(editor, pItem, x, &pCursor->nOffset,
&editor->bCaretAtEnd);
+  assert(pCursor->pRun);
+  assert(pCursor->pRun->type == diRun);
+}
+
+void ME_ArrowHome(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRow = ME_FindItemBack(pCursor->pRun, diStartRow);
+  if (pRow) {
+    ME_DisplayItem *pRun;
+    if (editor->bCaretAtEnd && !pCursor->nOffset) {
+      pRow = ME_FindItemBack(pRow, diStartRow);
+      if (!pRow)
+        return;
+    }
+    pRun = ME_FindItemFwd(pRow, diRun);
+    if (pRun) {
+      pCursor->pRun = pRun;
+      pCursor->nOffset = 0;
+    }
+  }
+  editor->bCaretAtEnd = FALSE;
+}
+
+void ME_ArrowCtrlHome(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRow = ME_FindItemBack(pCursor->pRun, diTextStart);
+  if (pRow) {
+    ME_DisplayItem *pRun = ME_FindItemFwd(pRow, diRun);
+    if (pRun) {
+      pCursor->pRun = pRun;
+      pCursor->nOffset = 0;
+    }
+  }
+}
+
+void ME_ArrowEnd(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *pRow;
+  
+  if (editor->bCaretAtEnd && !pCursor->nOffset)
+    return;
+  
+  pRow = ME_FindItemFwd(pCursor->pRun, diStartRowOrParagraphOrEnd);
+  assert(pRow);
+  if (pRow->type == diStartRow) {
+    /* FIXME WTF was I thinking about here ? */
+    ME_DisplayItem *pRun = ME_FindItemFwd(pRow, diRun);
+    assert(pRun);
+    pCursor->pRun = pRun;
+    pCursor->nOffset = 0;
+    editor->bCaretAtEnd = 1;
+    return;
+  }
+  pCursor->pRun = ME_FindItemBack(pRow, diRun);
+  assert(pCursor->pRun && pCursor->pRun->member.run.nFlags &
MERF_ENDPARA);
+  pCursor->nOffset = 0;
+  editor->bCaretAtEnd = FALSE;
+}
+      
+void ME_ArrowCtrlEnd(ME_TextEditor *editor, ME_Cursor *pCursor)
+{
+  ME_DisplayItem *p = ME_FindItemFwd(pCursor->pRun, diTextEnd);
+  assert(p);
+  p = ME_FindItemBack(p, diRun);
+  assert(p);
+  assert(p->member.run.nFlags & MERF_ENDPARA);
+  pCursor->pRun = p;
+  pCursor->nOffset = 0;
+  editor->bCaretAtEnd = FALSE;
+}
+
+BOOL ME_IsSelection(ME_TextEditor *editor)
+{
+  return memcmp(&editor->pCursors[0], &editor->pCursors[1],
sizeof(ME_Cursor))!=0;
+}
+
+int ME_GetSelCursor(ME_TextEditor *editor, int dir)
+{
+  int cdir = ME_GetCursorOfs(editor, 0) - ME_GetCursorOfs(editor, 1);
+  
+  if (cdir*dir>0)
+    return 0;
+  else
+    return 1;
+}
+      
+BOOL ME_CancelSelection(ME_TextEditor *editor, int dir)
+{
+  int cdir;
+  
+  if (GetKeyState(VK_SHIFT)<0)
+    return FALSE;
+  if (!memcmp(&editor->pCursors[0], &editor->pCursors[1],
sizeof(ME_Cursor)))
+    return FALSE;
+  
+  cdir = ME_GetCursorOfs(editor, 0) - ME_GetCursorOfs(editor, 1);
+  
+  if (cdir*dir>0)
+    editor->pCursors[1] = editor->pCursors[0];
+  else
+    editor->pCursors[0] = editor->pCursors[1];
+  /* FIXME optimize */
+  ME_MarkAllForWrapping(editor);
+  ME_Repaint(editor);
+  return TRUE;
+}
+
+void ME_RepaintSelection(ME_TextEditor *editor, ME_Cursor *pTempCursor)
+{
+  ME_Cursor old_anchor = editor->pCursors[1];
+  BOOL bRedraw = FALSE;
+  bRedraw = memcmp(&editor->pCursors[0], &editor->pCursors[1],
sizeof(ME_Cursor));
+  
+  if (bRedraw)
+  {
+    /* FIXME optimize */
+    ME_MarkAllForWrapping(editor);
+  }
+  
+  if (GetKeyState(VK_SHIFT)>=0) /* cancelling selection */
+  {
+    /* any selection was present ? if so, it's no more, repaint ! */
+    editor->pCursors[1] = editor->pCursors[0];
+    if (memcmp(pTempCursor, &old_anchor, sizeof(ME_Cursor))) {
+      ME_Repaint(editor);
+      return;
+    }
+    return;
+  }
+  else
+  {
+    if (!memcmp(pTempCursor, &editor->pCursors[1], sizeof(ME_Cursor)))
/* starting selection */
+    {
+      editor->pCursors[1] = *pTempCursor;
+    }
+  }
+
+  ME_Repaint(editor);
+}
+
+void ME_DeleteSelection(ME_TextEditor *editor)
+{
+  int from, to;
+  ME_GetSelection(editor, &from, &to);
+  ME_DeleteTextAtCursor(editor, ME_GetSelCursor(editor,-1), to-from);
+}
+
+ME_Style *ME_GetSelectionInsertStyle(ME_TextEditor *editor)
+{
+  ME_Style *style;
+  int from, to;
+  ME_Cursor c;
+  
+  ME_GetSelection(editor, &from, &to);
+  ME_CursorFromCharOfs(editor, from, &c);
+  if (from != to) {
+    style = c.pRun->member.run.style;
+    ME_AddRefStyle(style); /* ME_GetInsertStyle has already done that
*/
+  }
+  else
+    style = ME_GetInsertStyle(editor, 0);
+  return style;
+}
+
+void ME_SendSelChange(ME_TextEditor *editor)
+{
+  SELCHANGE sc;
+  if (!(editor->nEventMask & ENM_SELCHANGE))
+    return;
+  sc.nmhdr.hwndFrom = editor->hWnd;
+  sc.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID);
+  sc.nmhdr.code = EN_SELCHANGE;
+  SendMessageW(editor->hWnd, EM_EXGETSEL, 0, (LPARAM)&sc.chrg);
+  sc.seltyp = SEL_EMPTY;
+  if (sc.chrg.cpMin != sc.chrg.cpMax)
+    sc.seltyp |= SEL_TEXT;
+  if (sc.chrg.cpMin < sc.chrg.cpMax+1) /* wth were RICHEDIT authors
thinking ? */
+    sc.seltyp |= SEL_MULTICHAR;
+  SendMessageW(GetParent(editor->hWnd), WM_NOTIFY, sc.nmhdr.idFrom,
(LPARAM)&sc);
+}
+
+BOOL ME_ArrowKey(ME_TextEditor *editor, int nVKey, int nCtrl)
+{
+  int nCursor = 0;
+  ME_Cursor *p = &editor->pCursors[nCursor];
+  ME_Cursor tmp_curs = *p;
+  
+  switch(nVKey) {
+    case VK_UP:
+      ME_ArrowUp(editor, p);
+      ME_ClearTempStyle(editor);
+      ME_RepaintSelection(editor, &tmp_curs);
+      ME_SendSelChange(editor);
+      return TRUE;
+    case VK_DOWN:
+      ME_ArrowDown(editor, p);
+      ME_ClearTempStyle(editor);
+      ME_RepaintSelection(editor, &tmp_curs);
+      ME_SendSelChange(editor);
+      return TRUE;
+  }
+  
+  editor->nUDArrowX = -1;
+  switch(nVKey) {
+    case VK_BACK: { /* FIXME backspace and delete aren't the same, they
act different wrt paragraph style of the merged paragraph */
+      if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY)
+        return FALSE;
+      if (ME_IsSelection(editor))
+      {
+        editor->bCaretAtEnd = FALSE; /* FIXME or maybe not */
+        ME_DeleteSelection(editor);
+        ME_UpdateRepaint(editor);
+        return TRUE;
+      }
+      if (ME_ArrowLeft(editor, p)) {
+        editor->bCaretAtEnd = FALSE; /* FIXME or maybe not */
+        ME_MoveCaret(editor);
+        ME_DeleteTextAtCursor(editor, nCursor, 1);
+        ME_UpdateRepaint(editor);
+      }
+      return TRUE;
+    }
+    case VK_DELETE: {
+      if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY)
+        return FALSE;
+      /* editor->bCaretAtEnd = 0; FIXME or maybe not */
+      if (ME_IsSelection(editor))
+      {
+        ME_DeleteSelection(editor);
+        ME_UpdateRepaint(editor);
+        return TRUE;
+      }
+      ME_DeleteTextAtCursor(editor, nCursor, 1);
+      ME_UpdateRepaint(editor);
+      return TRUE;
+    }
+    case VK_HOME: {
+      if (GetKeyState(VK_CONTROL)<0)
+        ME_ArrowCtrlHome(editor, p);
+      else
+        ME_ArrowHome(editor, p);
+      editor->bCaretAtEnd = 0;
+      ME_ClearTempStyle(editor);
+      ME_RepaintSelection(editor, &tmp_curs);
+      ME_SendSelChange(editor);
+      return TRUE;
+    }
+    case VK_END: 
+      if (GetKeyState(VK_CONTROL)<0)
+        ME_ArrowCtrlEnd(editor, p);
+      else
+        ME_ArrowEnd(editor, p);
+      ME_ClearTempStyle(editor);
+      ME_RepaintSelection(editor, &tmp_curs);
+      ME_SendSelChange(editor);
+      return TRUE;
+    case VK_LEFT:
[truncated at 1000 lines; 10578 more skipped] 
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