riched20: Clearly separate the selection setting functions.

dlls/riched20/caret.c

@@ -122,8 +122,14 @@ int ME_GetTextLengthEx(ME_TextEditor *editor, const GETTEXTLENGTHEX *how)
   return length; 
 }
 
-
-int ME_SetSelection(ME_TextEditor *editor, int from, int to)
+/******************************************************************
+ *    set_selection_cursors
+ *
+ * Updates the selection cursors.
+ *
+ * Note that this does not invalidate either the old or the new selections.
+ */
+int set_selection_cursors(ME_TextEditor *editor, int from, int to)
 {
   int selectionEnd = 0;
   const int len = ME_GetTextLength(editor);
@@ -139,7 +145,6 @@ int ME_SetSelection(ME_TextEditor *editor, int from, int to)
   {
     ME_SetCursorToStart(editor, &editor->pCursors[1]);
     ME_SetCursorToEnd(editor, &editor->pCursors[0], TRUE);
-    ME_InvalidateSelection(editor);
     return len + 1;
   }
 
@@ -165,7 +170,6 @@ int ME_SetSelection(ME_TextEditor *editor, int from, int to)
               end --;
           }
           editor->pCursors[1] = editor->pCursors[0];
-          ME_Repaint(editor);
       }
       return end;
     }
@@ -194,7 +198,6 @@ int ME_SetSelection(ME_TextEditor *editor, int from, int to)
   {
     ME_SetCursorToEnd(editor, &editor->pCursors[0], FALSE);
     editor->pCursors[1] = editor->pCursors[0];
-    ME_InvalidateSelection(editor);
     return len;
   }
 

dlls/riched20/editor.c

@@ -1622,7 +1622,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
   } else {
     style = editor->pBuffer->pDefaultStyle;
     ME_AddRefStyle(style);
-    ME_SetSelection(editor, 0, 0);
+    set_selection_cursors(editor, 0, 0);
     ME_InternalDeleteText(editor, &editor->pCursors[1],
                           ME_GetTextLength(editor), FALSE);
     from = to = 0;
@@ -1756,9 +1756,9 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
           cf.dwMask = CFM_ALL2;
           ME_MoveCursorChars(editor, &lastcharCursor, -1, FALSE);
           ME_GetCharFormat(editor, &lastcharCursor, &linebreakCursor, &cf);
-          ME_SetSelection(editor, newto, -1);
+          set_selection_cursors(editor, newto, -1);
           ME_SetSelectionCharFormat(editor, &cf);
-          ME_SetSelection(editor, newto, newto);
+          set_selection_cursors(editor, newto, newto);
 
           ME_MoveCursorChars(editor, &linebreakCursor, -linebreakSize, FALSE);
           ME_GetTextW(editor, lastchar, 2, &linebreakCursor, linebreakSize, FALSE, FALSE);
@@ -1781,7 +1781,7 @@ static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stre
       ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
     /* put the cursor at the top */
     if (!(format & SFF_SELECTION))
-      ME_SetSelection(editor, 0, 0);
+      set_selection_cursors(editor, 0, 0);
     ME_CursorFromCharOfs(editor, from, &start);
     ME_UpdateLinkAttribute(editor, &start, to - from);
   }
@@ -2147,14 +2147,14 @@ static int ME_GetTextRange(ME_TextEditor *editor, WCHAR *strText,
     }
 }
 
-static int handle_EM_EXSETSEL( ME_TextEditor *editor, int to, int from )
+int set_selection( ME_TextEditor *editor, int to, int from )
 {
     int end;
 
     TRACE("%d - %d\n", to, from );
 
     ME_InvalidateSelection( editor );
-    end = ME_SetSelection( editor, to, from );
+    end = set_selection_cursors( editor, to, from );
     ME_InvalidateSelection( editor );
     update_caret( editor );
     ME_SendSelChange( editor );
@@ -2682,7 +2682,7 @@ ME_KeyDown(ME_TextEditor *editor, WORD nKey)
     case 'A':
       if (ctrl_is_down)
       {
-        handle_EM_EXSETSEL( editor, 0, -1 );
+        set_selection( editor, 0, -1 );
         return TRUE;
       }
       break;
@@ -3796,7 +3796,7 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
   }
   case EM_SETSEL:
   {
-    return handle_EM_EXSETSEL( editor, wParam, lParam );
+    return set_selection( editor, wParam, lParam );
   }
   case EM_SETSCROLLPOS:
   {
@@ -3821,7 +3821,7 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
   {
     CHARRANGE range = *(CHARRANGE *)lParam;
 
-    return handle_EM_EXSETSEL( editor, range.cpMin, range.cpMax );
+    return set_selection( editor, range.cpMin, range.cpMax );
   }
   case EM_SHOWSCROLLBAR:
   {
@@ -4122,7 +4122,7 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
       TRACE("WM_SETTEXT - NULL\n");
     ME_SetCursorToStart(editor, &cursor);
     ME_UpdateLinkAttribute(editor, &cursor, INT_MAX);
-    ME_SetSelection(editor, 0, 0);
+    set_selection_cursors(editor, 0, 0);
     editor->nModifyStep = 0;
     ME_CommitUndo(editor);
     ME_EmptyUndoStack(editor);
@@ -4813,7 +4813,7 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
         HeapFree(GetProcessHeap(), 0, lpCompStr);
 
         if (dwIndex == GCS_COMPSTR)
-          ME_SetSelection(editor,editor->imeStartIndex,
+          set_selection_cursors(editor,editor->imeStartIndex,
                           editor->imeStartIndex + dwBufLen/sizeof(WCHAR));
     }
     ME_ReleaseStyle(style);

dlls/riched20/editor.h

@@ -149,7 +149,7 @@ void ME_SetDefaultCharFormat(ME_TextEditor *editor, CHARFORMAT2W *mod) DECLSPEC_
 
 /* caret.c */
 void ME_SetCursorToStart(ME_TextEditor *editor, ME_Cursor *cursor) DECLSPEC_HIDDEN;
-int ME_SetSelection(ME_TextEditor *editor, int from, int to) DECLSPEC_HIDDEN;
+int set_selection_cursors(ME_TextEditor *editor, int from, int to) DECLSPEC_HIDDEN;
 BOOL ME_MoveCursorWords(ME_TextEditor *editor, ME_Cursor *cursor, int nRelOfs) DECLSPEC_HIDDEN;
 void hide_caret(ME_TextEditor *ed) DECLSPEC_HIDDEN;
 void show_caret(ME_TextEditor *ed) DECLSPEC_HIDDEN;
@@ -255,6 +255,7 @@ void ME_RTFSpecialCharHook(struct _RTF_Info *info) DECLSPEC_HIDDEN;
 void ME_StreamInFill(ME_InStream *stream) DECLSPEC_HIDDEN;
 extern BOOL me_debug DECLSPEC_HIDDEN;
 void ME_ReplaceSel(ME_TextEditor *editor, BOOL can_undo, const WCHAR *str, int len) DECLSPEC_HIDDEN;
+int set_selection( ME_TextEditor *editor, int to, int from ) DECLSPEC_HIDDEN;
 
 /* table.c */
 BOOL ME_IsInTable(ME_DisplayItem *pItem) DECLSPEC_HIDDEN;

dlls/riched20/richole.c

@@ -2149,7 +2149,7 @@ static HRESULT WINAPI ITextRange_fnSelect(ITextRange *me)
     if (!This->child.reole)
         return CO_E_RELEASED;
 
-    ME_SetSelection(This->child.reole->editor, This->start, This->end);
+    set_selection(This->child.reole->editor, This->start, This->end);
     return S_OK;
 }
 
@@ -4649,7 +4649,7 @@ static HRESULT WINAPI ITextSelection_fnSetStart(ITextSelection *me, LONG value)
     ME_GetSelectionOfs(This->reOle->editor, &start, &end);
     hr = textrange_setstart(This->reOle, value, &start, &end);
     if (hr == S_OK)
-        ME_SetSelection(This->reOle->editor, start, end);
+        set_selection(This->reOle->editor, start, end);
 
     return hr;
 }
@@ -4684,7 +4684,7 @@ static HRESULT WINAPI ITextSelection_fnSetEnd(ITextSelection *me, LONG value)
     ME_GetSelectionOfs(This->reOle->editor, &start, &end);
     hr = textrange_setend(This->reOle, value, &start, &end);
     if (hr == S_OK)
-        ME_SetSelection(This->reOle->editor, start, end);
+        set_selection(This->reOle->editor, start, end);
 
     return hr;
 }
@@ -4803,7 +4803,7 @@ static HRESULT WINAPI ITextSelection_fnCollapse(ITextSelection *me, LONG bStart)
     ME_GetSelectionOfs(This->reOle->editor, &start, &end);
     hres = range_Collapse(bStart, &start, &end);
     if (SUCCEEDED(hres))
-        ME_SetSelection(This->reOle->editor, start, end);
+        set_selection(This->reOle->editor, start, end);
     return hres;
 }
 

dlls/riched20/txtsrv.c

@@ -290,7 +290,7 @@ DECLSPEC_HIDDEN HRESULT __thiscall fnTextSrv_TxSetText(ITextServices *iface, LPC
    ME_InternalDeleteText(This->editor, &cursor, ME_GetTextLength(This->editor), FALSE);
    if(pszText)
        ME_InsertTextFromCursor(This->editor, 0, pszText, -1, This->editor->pBuffer->pDefaultStyle);
-   ME_SetSelection(This->editor, 0, 0);
+   set_selection_cursors(This->editor, 0, 0);
    This->editor->nModifyStep = 0;
    OleFlushClipboard();
    ME_EmptyUndoStack(This->editor);