[PATCH v2 5/7] shell32/autocomplete: Implement ACO_USETAB option

[Nikolay Sivov]

On 09/28/2018 02:44 PM, Gabriel Ivăncescu wrote:

> Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
> ---
>
> Tab goes down while Shift+Tab goes up through the list.
>
> Note that Tab doesn't work with ACO_UPDOWNKEYDROPSLIST on Windows so it
> doesn't here either.
>
>   dlls/shell32/autocomplete.c | 13 ++++++++++---
>   1 file changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/dlls/shell32/autocomplete.c b/dlls/shell32/autocomplete.c
> index ca4227d..43c93ef 100644
> --- a/dlls/shell32/autocomplete.c
> +++ b/dlls/shell32/autocomplete.c
> @@ -23,13 +23,13 @@
>     - ACO_AUTOAPPEND style
>     - ACO_AUTOSUGGEST style
>     - ACO_UPDOWNKEYDROPSLIST style
> +  - ACO_USETAB style
>   
>     - Handle pwzsRegKeyPath and pwszQuickComplete in Init
>   
>     TODO:
>     - implement ACO_SEARCH style
>     - implement ACO_FILTERPREFIXES style
> -  - implement ACO_USETAB style
>     - implement ACO_RTLREADING style
>     - implement ResetEnumerator
>     - string compares should be case-insensitive, the content of the list should be sorted

Removing from TODO list is obviously right thing to do, but 
"Implemented" list is useless in my opinion. I'd remove it completely 
when last TODO entry is gone for example.

> @@ -205,7 +205,7 @@ static LRESULT change_selection(IAutoCompleteImpl *ac, HWND hwnd, UINT key)
>               }
>           }
>       }
> -    else if (key == VK_UP)
> +    else if (key == VK_UP || (key == VK_TAB && (GetKeyState(VK_SHIFT) & 0x8000)))
>           sel = ((sel - 1) < -1) ? count - 1 : sel - 1;
>       else
>           sel = ((sel + 1) >= count) ? -1 : sel + 1;
> @@ -391,6 +391,14 @@ static LRESULT ACEditSubclassProc_KeyDown(IAutoCompleteImpl *ac, HWND hwnd, UINT
>               if (select_item_with_return_key(ac, hwnd))
>                   return 0;
>               break;
> +        case VK_TAB:
> +            if ((ac->options & (ACO_AUTOSUGGEST | ACO_USETAB)) == (ACO_AUTOSUGGEST | ACO_USETAB)
> +                && IsWindowVisible(ac->hwndListBox) && !(GetKeyState(VK_CONTROL) & 0x8000))
> +            {
> +                ac->no_fwd_char = '\t';
> +                return change_selection(ac, hwnd, wParam);
> +            }
> +            break;
>           case VK_UP:
>           case VK_DOWN:
>           case VK_PRIOR:
> @@ -646,7 +654,6 @@ static HRESULT WINAPI IAutoComplete2_fnInit(
>   
>       if (This->options & ACO_SEARCH) FIXME(" ACO_SEARCH not supported\n");
>       if (This->options & ACO_FILTERPREFIXES) FIXME(" ACO_FILTERPREFIXES not supported\n");
> -    if (This->options & ACO_USETAB) FIXME(" ACO_USETAB not supported\n");
>       if (This->options & ACO_RTLREADING) FIXME(" ACO_RTLREADING not supported\n");
>   
>       if (!hwndEdit || !punkACL)