[MSPORTS] Implement the 'Filter Resource Method' setting for parallel ports

dll/win32/msports/parallel.c

@@ -8,17 +8,222 @@
 
 #include "precomp.h"
 
+typedef struct _PORT_DATA
+{
+    HDEVINFO DeviceInfoSet;
+    PSP_DEVINFO_DATA DeviceInfoData;
+
+    WCHAR szPortName[16];
+    DWORD dwFilterResourceMethod;
+} PORT_DATA, *PPORT_DATA;
+
+
+static
+VOID
+ReadPortSettings(
+    PPORT_DATA pPortData)
+{
+    DWORD dwSize;
+    HKEY hKey;
+    LONG lError;
+
+    TRACE("ReadPortSettings(%p)\n", pPortData);
+
+    pPortData->dwFilterResourceMethod = 1; /* Never use an interrupt */
+
+    hKey = SetupDiOpenDevRegKey(pPortData->DeviceInfoSet,
+                                pPortData->DeviceInfoData,
+                                DICS_FLAG_GLOBAL,
+                                0,
+                                DIREG_DEV,
+                                KEY_READ);
+    if (hKey == INVALID_HANDLE_VALUE)
+    {
+        ERR("SetupDiOpenDevRegKey() failed\n");
+        return;
+    }
+
+    dwSize = sizeof(pPortData->szPortName);
+    lError = RegQueryValueExW(hKey,
+                              L"PortName",
+                              NULL,
+                              NULL,
+                              (PBYTE)pPortData->szPortName,
+                              &dwSize);
+    if (lError != ERROR_SUCCESS)
+    {
+        ERR("RegQueryValueExW failed (Error %lu)\n", lError);
+    }
+
+    dwSize = sizeof(pPortData->dwFilterResourceMethod);
+    lError = RegQueryValueExW(hKey,
+                              L"FilterResourceMethod",
+                              NULL,
+                              NULL,
+                              (PBYTE)&pPortData->dwFilterResourceMethod,
+                              &dwSize);
+    if (lError != ERROR_SUCCESS)
+    {
+        ERR("RegQueryValueExW failed (Error %lu)\n", lError);
+    }
+
+    RegCloseKey(hKey);
+}
+
+
+static
+VOID
+WritePortSettings(
+    HWND hwnd,
+    PPORT_DATA pPortData)
+{
+    DWORD dwFilterResourceMethod;
+    HKEY hKey;
+    LONG lError;
+
+    TRACE("WritePortSettings(%p)\n", pPortData);
+
+    dwFilterResourceMethod = 1;
+    if (Button_GetCheck(GetDlgItem(hwnd, IDC_TRY_INTERRUPT)) == BST_CHECKED)
+        dwFilterResourceMethod = 0;
+    else if (Button_GetCheck(GetDlgItem(hwnd, IDC_NEVER_INTERRUPT)) == BST_CHECKED)
+        dwFilterResourceMethod = 1;
+    else if (Button_GetCheck(GetDlgItem(hwnd, IDC_ANY_INTERRUPT)) == BST_CHECKED)
+        dwFilterResourceMethod = 2;
+
+    if (dwFilterResourceMethod != pPortData->dwFilterResourceMethod)
+    {
+        hKey = SetupDiOpenDevRegKey(pPortData->DeviceInfoSet,
+                                    pPortData->DeviceInfoData,
+                                    DICS_FLAG_GLOBAL,
+                                    0,
+                                    DIREG_DEV,
+                                    KEY_WRITE);
+        if (hKey == INVALID_HANDLE_VALUE)
+        {
+            ERR("SetupDiOpenDevRegKey() failed\n");
+            return;
+        }
+
+        lError = RegSetValueExW(hKey,
+                                L"FilterResourceMethod",
+                                0,
+                                REG_DWORD,
+                                (PBYTE)&dwFilterResourceMethod,
+                                sizeof(dwFilterResourceMethod));
+        if (lError != ERROR_SUCCESS)
+        {
+            ERR("RegSetValueExW failed (Error %lu)\n", lError);
+        }
+
+        RegCloseKey(hKey);
+
+        pPortData->dwFilterResourceMethod = dwFilterResourceMethod;
+    }
+
+}
+
+
 static
 BOOL
 OnInitDialog(HWND hwnd,
              WPARAM wParam,
              LPARAM lParam)
 {
-    TRACE("Port_OnInit()\n");
+    PPORT_DATA pPortData;
+    HWND hwndControl;
+    WCHAR szBuffer[256];
+    UINT i;
+
+    TRACE("OnInitDialog()\n");
+
+    pPortData = (PPORT_DATA)((LPPROPSHEETPAGEW)lParam)->lParam;
+    if (pPortData == NULL)
+    {
+        ERR("pPortData is NULL\n");
+        return FALSE;
+    }
+
+    SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)pPortData);
+
+    /* Read and parse the port settings */
+    ReadPortSettings(pPortData);
+
+    /* Set the 'Filter Resource Method' radiobuttons */
+    hwndControl = GetDlgItem(hwnd,
+                             IDC_TRY_INTERRUPT + pPortData->dwFilterResourceMethod);
+    if (hwndControl)
+        Button_SetCheck(hwndControl, BST_CHECKED);
+
+    /* Disable the 'Enable legacy PNP detection' checkbox */
+    hwndControl = GetDlgItem(hwnd, IDC_PARALLEL_LEGACY);
+    EnableWindow(hwndControl, FALSE);
+
+    /* Fill the 'LPT Port Number' combobox */
+    hwndControl = GetDlgItem(hwnd, IDC_PARALLEL_NAME);
+    if (hwndControl)
+    {
+        for (i = 0; i < 3; i++)
+        {
+            swprintf(szBuffer, L"LPT%lu", i + 1);
+            ComboBox_AddString(hwndControl, szBuffer);
+        }
+
+        /* Disable it */
+        EnableWindow(hwndControl, FALSE);
+    }
+
     return TRUE;
 }
 
 
+static
+VOID
+OnNotify(
+    HWND hwnd,
+    WPARAM wParam,
+    LPARAM lParam)
+{
+    PPORT_DATA pPortData;
+
+    TRACE("OnNotify()\n");
+
+    pPortData = (PPORT_DATA)GetWindowLongPtr(hwnd, DWLP_USER);
+    if (pPortData == NULL)
+    {
+        ERR("pPortData is NULL\n");
+        return;
+    }
+
+    if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
+    {
+        TRACE("PSN_APPLY!\n");
+        WritePortSettings(hwnd, pPortData);
+    }
+}
+
+
+static
+VOID
+OnDestroy(
+    HWND hwnd)
+{
+    PPORT_DATA pPortData;
+
+    TRACE("OnDestroy()\n");
+
+    pPortData = (PPORT_DATA)GetWindowLongPtr(hwnd, DWLP_USER);
+    if (pPortData == NULL)
+    {
+        ERR("pPortData is NULL\n");
+        return;
+    }
+
+    HeapFree(GetProcessHeap(), 0, pPortData);
+    SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)NULL);
+}
+
+
 static
 INT_PTR
 CALLBACK
@@ -32,8 +237,15 @@ ParallelSettingsDlgProc(HWND hwnd,
     switch (uMsg)
     {
         case WM_INITDIALOG:
-            SendDlgItemMessage(hwnd, IDC_NEVER_INTERRUPT, BM_SETCHECK, (WPARAM)BST_CHECKED, (LPARAM)0);
             return OnInitDialog(hwnd, wParam, lParam);
+
+        case WM_NOTIFY:
+            OnNotify(hwnd, wParam, lParam);
+            break;
+
+        case WM_DESTROY:
+            OnDestroy(hwnd);
+            break;
     }
 
     return FALSE;
@@ -48,10 +260,23 @@ ParallelPortPropPageProvider(PSP_PROPSHEETPAGE_REQUEST lpPropSheetPageRequest,
 {
     PROPSHEETPAGEW PropSheetPage;
     HPROPSHEETPAGE hPropSheetPage;
+    PPORT_DATA pPortData;
 
     TRACE("ParallelPortPropPageProvider(%p %p %lx)\n",
           lpPropSheetPageRequest, lpfnAddPropSheetPageProc, lParam);
 
+    pPortData = HeapAlloc(GetProcessHeap(),
+                          HEAP_ZERO_MEMORY,
+                          sizeof(PORT_DATA));
+    if (pPortData == NULL)
+    {
+        ERR("Port data allocation failed!\n");
+        return FALSE;
+    }
+
+    pPortData->DeviceInfoSet = lpPropSheetPageRequest->DeviceInfoSet;
+    pPortData->DeviceInfoData = lpPropSheetPageRequest->DeviceInfoData;
+
     if (lpPropSheetPageRequest->PageRequested == SPPSR_ENUM_ADV_DEVICE_PROPERTIES)
     {
         TRACE("SPPSR_ENUM_ADV_DEVICE_PROPERTIES\n");
@@ -61,19 +286,19 @@ ParallelPortPropPageProvider(PSP_PROPSHEETPAGE_REQUEST lpPropSheetPageRequest,
         PropSheetPage.hInstance = hInstance;
         PropSheetPage.pszTemplate = MAKEINTRESOURCE(IDD_PARALLELSETTINGS);
         PropSheetPage.pfnDlgProc = ParallelSettingsDlgProc;
-        PropSheetPage.lParam = 0;
+        PropSheetPage.lParam = (LPARAM)pPortData;
         PropSheetPage.pfnCallback = NULL;
 
         hPropSheetPage = CreatePropertySheetPageW(&PropSheetPage);
         if (hPropSheetPage == NULL)
         {
-            TRACE("CreatePropertySheetPageW() failed!\n");
+            ERR("CreatePropertySheetPageW() failed!\n");
             return FALSE;
         }
 
         if (!(*lpfnAddPropSheetPageProc)(hPropSheetPage, lParam))
         {
-            TRACE("lpfnAddPropSheetPageProc() failed!\n");
+            ERR("lpfnAddPropSheetPageProc() failed!\n");
             DestroyPropertySheetPage(hPropSheetPage);
             return FALSE;
         }