[PATCH v5 4/5] winepulse.drv: Fetch actual application name, if possible.

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Fri, Feb 18, 2022 at 08:38:02PM +0200, Gabriel Ivăncescu wrote:
> From: Mark Harmstone <mark at harmstone.com>
> 
> Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
> ---
>  dlls/winepulse.drv/Makefile.in |   2 +-
>  dlls/winepulse.drv/mmdevdrv.c  | 106 +++++++++++++++++++++++++++++++--
>  2 files changed, 103 insertions(+), 5 deletions(-)
> 
> diff --git a/dlls/winepulse.drv/Makefile.in b/dlls/winepulse.drv/Makefile.in
> index c71b283..d4b40e6 100644
> --- a/dlls/winepulse.drv/Makefile.in
> +++ b/dlls/winepulse.drv/Makefile.in
> @@ -1,7 +1,7 @@
>  EXTRADEFS = -DWINE_NO_LONG_TYPES
>  MODULE    = winepulse.drv
>  UNIXLIB   = winepulse.so
> -IMPORTS   = dxguid uuid winmm user32 advapi32 ole32
> +IMPORTS   = dxguid uuid winmm user32 advapi32 ole32 version
>  EXTRALIBS = $(PULSE_LIBS) $(PTHREAD_LIBS) -lm
>  EXTRAINCL = $(PULSE_CFLAGS)
>  
> diff --git a/dlls/winepulse.drv/mmdevdrv.c b/dlls/winepulse.drv/mmdevdrv.c
> index a07253a..49fafb6 100644
> --- a/dlls/winepulse.drv/mmdevdrv.c
> +++ b/dlls/winepulse.drv/mmdevdrv.c
> @@ -30,6 +30,7 @@
>  #include "wine/list.h"
>  
>  #include "ole2.h"
> +#include "mimeole.h"
>  #include "dshow.h"
>  #include "dsound.h"
>  #include "propsys.h"
> @@ -243,13 +244,110 @@ static DWORD CALLBACK pulse_mainloop_thread(void *event)
>      return 0;
>  }
>  
> -static char *get_application_name(void)
> +typedef struct tagLANGANDCODEPAGE
> +{
> +    WORD wLanguage;
> +    WORD wCodePage;
> +} LANGANDCODEPAGE;
> +
> +static BOOL query_productname(void *data, LANGANDCODEPAGE *lang, LPVOID *buffer, DWORD *len)
> +{
> +    WCHAR pn[37];
> +    swprintf(pn, ARRAY_SIZE(pn), L"\\StringFileInfo\\%04x%04x\\ProductName", lang->wLanguage, lang->wCodePage);
> +    return VerQueryValueW(data, pn, buffer, len) && *len;
> +}
> +
> +static char *get_application_name(BOOL query_app_name)
>  {
>      WCHAR path[MAX_PATH], *name;
> +    char *str = NULL;
>      size_t len;
> -    char *str;
>  
>      GetModuleFileNameW(NULL, path, ARRAY_SIZE(path));
> +
> +    if (query_app_name)
> +    {
> +        UINT translate_size, productname_size;
> +        LANGANDCODEPAGE *translate;
> +        LPVOID productname;
> +        BOOL found = FALSE;
> +        void *data = NULL;
> +        unsigned int i;
> +        LCID locale;
> +        DWORD size;
> +
> +        size = GetFileVersionInfoSizeW(path, NULL);
> +        if (!size)
> +            goto skip;
> +
> +        data = malloc(size);
> +        if (!data)
> +            goto skip;
> +
> +        if (!GetFileVersionInfoW(path, 0, size, data))
> +            goto skip;
> +
> +        if (!VerQueryValueW(data, L"\\VarFileInfo\\Translation", (LPVOID *)&translate, &translate_size))
> +            goto skip;
> +
> +        /* no translations found */
> +        if (translate_size < sizeof(LANGANDCODEPAGE))
> +            goto skip;
> +
> +        /* The following code will try to find the best translation. We first search for an
> +         * exact match of the language, then a match of the language PRIMARYLANGID, then we
> +         * search for a LANG_NEUTRAL match, and if that still doesn't work we pick the
> +         * first entry which contains a proper productname. */
> +        locale = GetThreadLocale();
> +
> +        for (i = 0; i < translate_size / sizeof(LANGANDCODEPAGE); i++) {
> +            if (translate[i].wLanguage == locale &&
> +                    query_productname(data, &translate[i], &productname, &productname_size)) {
> +                found = TRUE;
> +                break;
> +            }
> +        }
> +
> +        if (!found) {
> +            for (i = 0; i < translate_size / sizeof(LANGANDCODEPAGE); i++) {
> +                if (PRIMARYLANGID(translate[i].wLanguage) == PRIMARYLANGID(locale) &&
> +                        query_productname(data, &translate[i], &productname, &productname_size)) {
> +                    found = TRUE;
> +                    break;
> +                }
> +            }
> +        }
> +
> +        if (!found) {
> +            for (i = 0; i < translate_size / sizeof(LANGANDCODEPAGE); i++) {
> +                if (PRIMARYLANGID(translate[i].wLanguage) == LANG_NEUTRAL &&
> +                        query_productname(data, &translate[i], &productname, &productname_size)) {
> +                    found = TRUE;
> +                    break;
> +                }
> +            }
> +        }
> +
> +        if (!found) {
> +            for (i = 0; i < translate_size / sizeof(LANGANDCODEPAGE); i++) {
> +                if (query_productname(data, &translate[i], &productname, &productname_size)) {
> +                    found = TRUE;
> +                    break;
> +                }
> +            }
> +        }
> +
> +        if (found) {
> +            len = WideCharToMultiByte(CP_UTF8, 0, productname, -1, NULL, 0, NULL, NULL);
> +            str = malloc(len);
> +            if (str) WideCharToMultiByte(CP_UTF8, 0, productname, -1, str, len, NULL, NULL);
> +        }
> +
> +    skip:
> +        free(data);
> +        if (str) return str;
> +    }
> +
>      name = wcsrchr(path, '\\');
>      if (!name)
>          name = path;
> @@ -390,7 +488,7 @@ int WINAPI AUDDRV_GetPriority(void)
>      struct test_connect_params params;
>      char *name;
>  
> -    params.name   = name = get_application_name();
> +    params.name   = name = get_application_name(FALSE);
>      params.config = &pulse_config;
>      pulse_call(test_connect, &params);
>      free(name);
> @@ -776,7 +874,7 @@ static HRESULT WINAPI AudioClient_Initialize(IAudioClient3 *iface,
>          CloseHandle(event);
>      }
>  
> -    params.name = name = get_application_name();
> +    params.name = name = get_application_name(TRUE);
>      params.pulse_name  = This->pulse_name;
>      params.dataflow = This->dataflow;
>      params.mode     = mode;
> -- 
> 2.34.1
> 
>