void FillTypeArray(
ListBox& ListMajor,
ListBox& ListMinor,
GUID *atypes,
int nIndex,
DWORD *pdwPairs
)
{
UINT nMajorSel = 0, nMinorSel = 0;
BOOL result = ListMajor.GetCurrentSelection(&nMajorSel);
// If no selection ("don't care"), just exit without modifying the array
if (!result || nMajorSel == 0)
{
return;
}
// Get GUID for major type
const GUID *p1 = (const GUID *)ListMajor.GetItem(nMajorSel);
// Since the FilterMapper interface requires GUIDs (instead of GUID *),
// copy the specified GUID data into its array slot.
if (p1)
{
memcpy(&atypes[nIndex], p1, sizeof(GUID));
}
else
{
memset(&atypes[nIndex], 0, sizeof(GUID));
}
// Increment number of type/subtype pairs
(*pdwPairs)++;
result = ListMinor.GetCurrentSelection(&nMinorSel);
// If no selection ("don't care"), or uninitialized (returning -1),
// just exit without modifying the array
if (!result || nMinorSel == 0)
{
return;
}
// Get GUID for subtype
const GUID *p2 = (const GUID *)ListMinor.GetItem(nMinorSel);
if (p2)
{
memcpy(&atypes[nIndex+1], p2, sizeof(GUID));
}
else
{
memset(&atypes[nIndex+1], 0, sizeof(GUID));
}
}
void EnableSecondTypePair(
ListBox& ListMajor,
ListBox& ListMajor2,
ListBox& ListMinor2
)
{
// If there is no selection in the first major type listbox,
// clear and disable the second major/minor type listboxes.
UINT selection = 0;
ListMajor.GetCurrentSelection(&selection);
if (selection == 0)
{
ListMajor2.Select(0);
FillSubType(ListMajor2, ListMinor2);
ListMajor2.Enable(FALSE);
ListMinor2.Enable(FALSE);
}
else
{
ListMajor2.Enable(TRUE);
ListMinor2.Enable(TRUE);
}
}
void FillSubType(ListBox& listboxMajor, ListBox& listboxMinor)
{
const GUIDINFO *pSubtype;
UINT nSelection = 0;
listboxMajor.GetCurrentSelection(&nSelection);
int nMajorType;
// First clear the subtype list
listboxMinor.ClearItems();
// If the "don't care" item was selected, clear and exit
if (nSelection == 0)
{
listboxMinor.AddString(L"<No subtypes>\0");
listboxMinor.Select(0);
return;
}
else
{
nMajorType = nSelection - 1;
}
// Determine how to fill the minor type list, based on the
// currently selected major type.
pSubtype = pSubTypes[nMajorType];
// If there's no associated subtype, just add a default
if (!pSubtype)
{
listboxMinor.AddString(L"<No subtypes>\0");
listboxMinor.Select(0);
return;
}
else
{
// Set a default item for "don't care"
listboxMinor.AddString(L"<Don't care>\0");
int i=0;
// Fill the subtype list box. Enter N item data to the N+1 list slot.
while (pSubtype[i].pGUID != NULL)
{
listboxMinor.AddItem(pSubtype[i].szName, (void *) pSubtype[i].pGUID);
i++;
}
listboxMinor.Select(0);
}
}