riched20: Move the split point calculation to wrap.c.

dlls/riched20/editor.h

@@ -140,7 +140,6 @@ ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
                                      ME_Style *style, const WCHAR *str, int len, int flags) DECLSPEC_HIDDEN;
 void ME_CheckCharOffsets(ME_TextEditor *editor) DECLSPEC_HIDDEN;
 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift) DECLSPEC_HIDDEN;
-int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run) DECLSPEC_HIDDEN;
 /* this one accounts for 1/2 char tolerance */
 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run) DECLSPEC_HIDDEN;
 int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset) DECLSPEC_HIDDEN;

dlls/riched20/run.c

@@ -404,56 +404,6 @@ void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run)
 }
 
 /******************************************************************************
- * ME_CharFromPoint
- * 
- * Returns a character position inside the run given a run-relative
- * pixel horizontal position. This version rounds left (ie. if the second
- * character is at pixel position 8, then for cx=0..7 it returns 0).  
- */     
-int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run)
-{
-  int fit = 0;
-  HGDIOBJ hOldFont;
-  SIZE sz;
-  if (!run->len || cx <= 0)
-    return 0;
-
-  if (run->nFlags & MERF_TAB ||
-      (run->nFlags & (MERF_ENDCELL|MERF_ENDPARA)) == MERF_ENDCELL)
-  {
-    if (cx < run->nWidth/2) 
-      return 0;
-    return 1;
-  }
-  if (run->nFlags & MERF_GRAPHICS)
-  {
-    SIZE sz;
-    ME_GetOLEObjectSize(c, run, &sz);
-    if (cx < sz.cx)
-      return 0;
-    return 1;
-  }
-  hOldFont = ME_SelectStyleFont(c, run->style);
-  
-  if (c->editor->cPasswordMask)
-  {
-    ME_String *strMasked = ME_MakeStringR(c->editor->cPasswordMask, run->len);
-    GetTextExtentExPointW(c->hDC, strMasked->szData, run->len,
-      cx, &fit, NULL, &sz);
-    ME_DestroyString(strMasked);
-  }
-  else
-  {
-    GetTextExtentExPointW(c->hDC, get_text( run, 0 ), run->len,
-      cx, &fit, NULL, &sz);
-  }
-  
-  ME_UnselectStyleFont(c, run->style, hOldFont);
-
-  return fit;
-}
-
-/******************************************************************************
  * ME_CharFromPointCursor
  *
  * Returns a character position inside the run given a run-relative

dlls/riched20/wrap.c

@@ -80,6 +80,51 @@ static ME_DisplayItem *split_run_extents(ME_WrapContext *wc, ME_DisplayItem *ite
   return cursor.pRun;
 }
 
+/******************************************************************************
+ * find_split_point
+ *
+ * Returns a character position to split inside the run given a run-relative
+ * pixel horizontal position. This version rounds left (ie. if the second
+ * character is at pixel position 8, then for cx=0..7 it returns 0).
+ */
+static int find_split_point( ME_Context *c, int cx, ME_Run *run )
+{
+    int fit = 0;
+    HGDIOBJ hOldFont;
+    SIZE sz;
+
+    if (!run->len || cx <= 0) return 0;
+
+    if (run->nFlags & MERF_TAB ||
+        (run->nFlags & (MERF_ENDCELL|MERF_ENDPARA)) == MERF_ENDCELL)
+    {
+        if (cx < run->nWidth / 2) return 0;
+        return 1;
+    }
+    if (run->nFlags & MERF_GRAPHICS)
+    {
+        SIZE sz;
+        ME_GetOLEObjectSize( c, run, &sz );
+        if (cx < sz.cx) return 0;
+        return 1;
+    }
+    hOldFont = ME_SelectStyleFont( c, run->style );
+
+    if (c->editor->cPasswordMask)
+    {
+        ME_String *strMasked = ME_MakeStringR( c->editor->cPasswordMask, run->len );
+        GetTextExtentExPointW( c->hDC, strMasked->szData, run->len, cx, &fit, NULL, &sz );
+        ME_DestroyString( strMasked );
+    }
+    else
+    {
+        GetTextExtentExPointW( c->hDC, get_text( run, 0 ), run->len, cx, &fit, NULL, &sz );
+    }
+
+    ME_UnselectStyleFont( c, run->style, hOldFont );
+
+    return fit;
+}
 
 static ME_DisplayItem *ME_MakeRow(int height, int baseline, int width)
 {
@@ -337,7 +382,7 @@ static ME_DisplayItem *ME_SplitByBacktracking(ME_WrapContext *wc, ME_DisplayItem
   int i, idesp, len;
   ME_Run *run = &p->member.run;
 
-  idesp = i = ME_CharFromPoint(wc->context, loc, run);
+  idesp = i = find_split_point( wc->context, loc, run );
   len = run->len;
   assert(len>0);
   assert(i<len);