appwiz.cpl: Read installed application information from registry.

oldstable
Owen Rudge 2008-07-21 19:42:25 +01:00 committed by Alexandre Julliard
parent d8d725f73f
commit c16aeaf8e5
1 changed files with 244 additions and 0 deletions

View File

@ -48,8 +48,44 @@ WINE_DEFAULT_DEBUG_CHANNEL(appwizcpl);
/* define a maximum length for various buffers we use */
#define MAX_STRING_LEN 1024
typedef struct APPINFO {
int id;
LPWSTR title;
LPWSTR path;
LPWSTR icon;
int iconIdx;
LPWSTR publisher;
LPWSTR version;
HKEY regroot;
WCHAR regkey[MAX_STRING_LEN];
struct APPINFO *next;
} APPINFO;
static struct APPINFO *AppInfo = NULL;
static HINSTANCE hInst;
/* names of registry keys */
static const WCHAR BackSlashW[] = { '\\', 0 };
static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
static const WCHAR DisplayIconW[] = {'D','i','s','p','l','a','y','I','c','o','n',0};
static const WCHAR DisplayVersionW[] = {'D','i','s','p','l','a','y','V','e','r',
's','i','o','n',0};
static const WCHAR PublisherW[] = {'P','u','b','l','i','s','h','e','r',0};
static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l',
'S','t','r','i','n','g',0};
static const WCHAR PathUninstallW[] = {
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'U','n','i','n','s','t','a','l','l',0 };
/******************************************************************************
* Name : DllMain
* Description: Entry point for DLL file
@ -68,6 +104,205 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
return TRUE;
}
/******************************************************************************
* Name : FreeAppInfo
* Description: Frees memory used by an AppInfo structure, and any children.
*/
static void FreeAppInfo(APPINFO *info)
{
APPINFO *iter = info;
while (iter)
{
if (iter->title)
HeapFree(GetProcessHeap(), 0, iter->title);
if (iter->path)
HeapFree(GetProcessHeap(), 0, iter->path);
if (iter->icon)
HeapFree(GetProcessHeap(), 0, iter->icon);
if (iter->publisher)
HeapFree(GetProcessHeap(), 0, iter->publisher);
if (iter->version)
HeapFree(GetProcessHeap(), 0, iter->version);
iter = iter->next;
HeapFree(GetProcessHeap(), 0, iter);
}
}
/******************************************************************************
* Name : ReadApplicationsFromRegistry
* Description: Creates a linked list of uninstallable applications from the
* registry.
* Parameters : root - Which registry root to read from (HKCU/HKLM)
* Returns : TRUE if successful, FALSE otherwise
*/
static BOOL ReadApplicationsFromRegistry(HKEY root)
{
HKEY hkeyUninst, hkeyApp;
int i, id = 0;
DWORD sizeOfSubKeyName, displen, uninstlen;
WCHAR subKeyName[256];
WCHAR key_app[MAX_STRING_LEN];
WCHAR *p;
APPINFO *iter = AppInfo;
LPWSTR iconPtr;
BOOL ret = FALSE;
if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) !=
ERROR_SUCCESS)
return FALSE;
lstrcpyW(key_app, PathUninstallW);
lstrcatW(key_app, BackSlashW);
p = key_app+lstrlenW(PathUninstallW)+1;
sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
if (iter)
{
/* find the end of the list */
for (iter = AppInfo; iter->next; iter = iter->next);
}
for (i = 0; RegEnumKeyExW(hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL,
NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS; ++i)
{
lstrcpyW(p, subKeyName);
RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
displen = 0;
uninstlen = 0;
if ((RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen) ==
ERROR_SUCCESS) && (RegQueryValueExW(hkeyApp, UninstallCommandlineW,
0, 0, NULL, &uninstlen) == ERROR_SUCCESS))
{
/* if we already have iter, allocate the next entry */
if (iter)
{
iter->next = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(struct APPINFO));
if (!iter->next)
goto err;
iter = iter->next;
}
else
{
/* if not, start the list */
iter = AppInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(struct APPINFO));
if (!iter)
goto err;
}
iter->title = HeapAlloc(GetProcessHeap(), 0, displen);
if (!iter->title)
goto err;
RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)iter->title,
&displen);
/* now get DisplayIcon */
displen = 0;
RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, NULL, &displen);
if (displen == 0)
iter->icon = 0;
else
{
iter->icon = HeapAlloc(GetProcessHeap(), 0, displen);
if (!iter->icon)
goto err;
RegQueryValueExW(hkeyApp, DisplayIconW, 0, 0, (LPBYTE)iter->icon,
&displen);
/* separate the index from the icon name, if supplied */
iconPtr = strchrW(iter->icon, ',');
if (iconPtr)
{
*iconPtr++ = 0;
iter->iconIdx = atoiW(iconPtr);
}
}
iter->path = HeapAlloc(GetProcessHeap(), 0, uninstlen);
if (!iter->path)
goto err;
RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0,
(LPBYTE)iter->path, &uninstlen);
/* publisher, version */
if (RegQueryValueExW(hkeyApp, PublisherW, 0, 0, NULL, &displen) ==
ERROR_SUCCESS)
{
iter->publisher = HeapAlloc(GetProcessHeap(), 0, displen);
if (!iter->publisher)
goto err;
RegQueryValueExW(hkeyApp, PublisherW, 0, 0, (LPBYTE)iter->publisher,
&displen);
}
if (RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, NULL, &displen) ==
ERROR_SUCCESS)
{
iter->version = HeapAlloc(GetProcessHeap(), 0, displen);
if (!iter->version)
goto err;
RegQueryValueExW(hkeyApp, DisplayVersionW, 0, 0, (LPBYTE)iter->version,
&displen);
}
/* registry key */
iter->regroot = root;
lstrcpyW(iter->regkey, subKeyName);
iter->id = id++;
}
RegCloseKey(hkeyApp);
sizeOfSubKeyName = sizeof(subKeyName) / sizeof(subKeyName[0]);
}
ret = TRUE;
goto end;
err:
RegCloseKey(hkeyApp);
FreeAppInfo(iter);
end:
RegCloseKey(hkeyUninst);
return ret;
}
/******************************************************************************
* Name : EmptyList
* Description: Frees memory used by the application linked list.
*/
static inline void EmptyList(void)
{
FreeAppInfo(AppInfo);
AppInfo = NULL;
}
/******************************************************************************
* Name : UpdateButtons
* Description: Enables/disables the Add/Remove button depending on current
@ -175,11 +410,18 @@ static HIMAGELIST ResetApplicationList(BOOL bFirstRun, HWND hWnd, HIMAGELIST hIm
else /* we need to remove the existing things first */
{
ImageList_Destroy(hImageList);
/* reset the list, since it's probably changed if the uninstallation was
successful */
EmptyList();
}
/* now create the image list and add the applications to the listview */
hImageList = AddListViewImageList(hWndListView);
ReadApplicationsFromRegistry(HKEY_LOCAL_MACHINE);
ReadApplicationsFromRegistry(HKEY_CURRENT_USER);
UpdateButtons(hWnd);
return(hImageList);
@ -211,6 +453,8 @@ static BOOL CALLBACK MainDlgProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPar
case WM_DESTROY:
ImageList_Destroy(hImageList);
EmptyList();
return 0;
}