[PATCH 2/2] riched20: Protect read-only Richedit against pasting and cutting data.

[Huw Davies]

This looks good apart from some style issues - see inline below.

On Sun, Nov 05, 2017 at 07:28:39PM +0100, Rafał Harabień wrote:
> Signed-off-by: Rafał Harabień <rafalh1992 at o2.pl>
> ---
>  dlls/riched20/editor.c       | 60 +++++++++++++++++++++++---------------------
>  dlls/riched20/tests/editor.c | 15 +++++++++++
>  2 files changed, 47 insertions(+), 28 deletions(-)
> 
> diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
> index a7b1bc7..3da19fa 100644
> --- a/dlls/riched20/editor.c
> +++ b/dlls/riched20/editor.c
> @@ -2294,6 +2294,13 @@ static BOOL paste_special(ME_TextEditor *editor, UINT cf, REPASTESPECIAL *ps, BO
>      struct paste_format *format;
>      IDataObject *data;
>  
> +    /* Protect read-only edit control from modification */
> +    if (editor->styleFlags & ES_READONLY) {

Please put the open brace on a new line matching the rest of the function.

> +        if (!check_only)
> +            MessageBeep(MB_ICONERROR);
> +        return FALSE;
> +    }
> +
>      init_paste_formats();
>  
>      if (ps && ps->dwAspect != DVASPECT_CONTENT)
> @@ -2351,6 +2358,29 @@ static BOOL ME_Copy(ME_TextEditor *editor, const ME_Cursor *start, int nChars)
>    return SUCCEEDED(hr);
>  }
>  
> +static BOOL copy_or_cut(ME_TextEditor *editor, BOOL cut)
> +{
> +    BOOL result;
> +    int nOfs, nChars;
> +    int nStartCur = ME_GetSelectionOfs(editor, &nOfs, &nChars);
> +    ME_Cursor *selStart = &editor->pCursors[nStartCur];

Let's take the opportunity to use lower case variable names.  How about
offs, num_chars, start_cursor and sel_start.

> +
> +    if (cut && (editor->styleFlags & ES_READONLY)) {

Again, opening brace to new line.

> +        MessageBeep(MB_ICONERROR);
> +        return FALSE;
> +    }
> +
> +    nChars -= nOfs;
> +    result = ME_Copy(editor, selStart, nChars);
> +    if (result && cut)
> +    {
> +      ME_InternalDeleteText(editor, selStart, nChars, FALSE);

Indent this block 4 spaces.

> +      ME_CommitUndo(editor);
> +      ME_UpdateRepaint(editor, TRUE);
> +    }
> +    return result;
> +}
> +

Huw.