static void
update_icon(HWND hwnd, HICON icon, int large)
{
int i, j, size, chunks;
char buf[32 * 32 * 4];
char asciibuf[ICON_CHUNK * 2 + 1];
size = extract_icon(icon, buf, sizeof(buf));
if (size <= 0)
return;
if ((!large && size != 16 * 16 * 4) || (large && size != 32 * 32 * 4))
{
debug("Unexpected icon size.");
return;
}
chunks = (size + ICON_CHUNK - 1) / ICON_CHUNK;
for (i = 0; i < chunks; i++)
{
for (j = 0; j < ICON_CHUNK; j++)
{
if (i * ICON_CHUNK + j >= size)
break;
sprintf(asciibuf + j * 2, "%02x",
(int) (unsigned char) buf[i * ICON_CHUNK + j]);
}
vchannel_write("SETICON", "0x%08lx,%d,RGBA,%d,%d,%s", hwnd, i,
large ? 32 : 16, large ? 32 : 16, asciibuf);
}
}
static BOOL add_launcher( const WCHAR *folder, const WCHAR *filename, int len_filename )
{
struct launcher *launcher;
IShellLinkW *link;
if (nb_launchers == nb_allocated)
{
unsigned int count = nb_allocated * 2;
struct launcher **tmp = HeapReAlloc( GetProcessHeap(), 0, launchers, count * sizeof(*tmp) );
if (!tmp) return FALSE;
launchers = tmp;
nb_allocated = count;
}
if (!(launcher = HeapAlloc( GetProcessHeap(), 0, sizeof(*launcher) ))) return FALSE;
if (!(launcher->path = append_path( folder, filename, len_filename ))) goto error;
if (!(link = load_shelllink( launcher->path ))) goto error;
launcher->icon = extract_icon( link );
launcher->title = build_title( filename, len_filename );
IShellLinkW_Release( link );
if (launcher->icon && launcher->title)
{
launchers[nb_launchers++] = launcher;
return TRUE;
}
HeapFree( GetProcessHeap(), 0, launcher->title );
DestroyIcon( launcher->icon );
error:
HeapFree( GetProcessHeap(), 0, launcher->path );
HeapFree( GetProcessHeap(), 0, launcher );
return FALSE;
}
int Entry::safe_extract_icon(ICONCACHE_FLAGS flags)
{
try {
return extract_icon(flags);
} catch(COMException&) {
// ignore unexpected exceptions while extracting icons
}
return ICID_NONE;
}
int ShellEntry::safe_extract_icon()
{
try {
return extract_icon();
} catch(COMException&) {
// ignore unexpected exceptions while extracting icons
}
return ICID_NONE;
}
