--- trunk/src/GPGOE.c	2006/04/11 19:05:05	17
+++ trunk/src/GPGOE.c	2006/04/13 07:41:30	18
@@ -39,6 +39,27 @@
 /* Outlook Express window handle. */
 static HWND oe_hwnd = NULL;
 
+/* We need a shared section to define variables which
+   will keep their values in all address spaces. */
+#ifdef __GNUC__
+#define ATTR_SEC __attribute__((section (".SHARDAT"), shared))
+#else
+#define ATTR_SEC
+#pragma data_seg(".SHARDAT")
+#endif
+static int gpgoe_active_modes ATTR_SEC = 0;
+#ifndef __GNUC__
+#pragma data_seg()
+#endif
+#undef ATTR_SEC
+
+
+/* Supported plug-in modes. */
+enum gpgoe_mode_t {
+    GPGOE_MODE_NORMAL	  = 0,
+    GPGOE_MODE_PLAINREPLY = 1	   /* decrypt mails before a reply. */
+};
+
 
 /* Main DLL entry point. */
 BOOL WINAPI
@@ -112,7 +133,8 @@
 		oe_hwnd = hwnd;
         }
 
-	if (!strcmp (wclass, "Outlook Express Browser Class")) {
+	if ((gpgoe_active_modes & GPGOE_MODE_PLAINREPLY) &&
+	    !strcmp (wclass, "Outlook Express Browser Class")) {
 	    oe_main_proc_old = (WNDPROC)GetWindowLong (hwnd, GWL_WNDPROC);
 	    if (!oe_main_proc_old)
 		show_error (NULL, "GPGOE", MB_ICONERROR|MB_OK,
@@ -125,8 +147,8 @@
 	}
 	break;
 
-    case HCBT_ACTIVATE:
 #if 0
+    case HCBT_ACTIVATE:
 	if (plugin_active != NULL && 
 	    WaitForSingleObject (plugin_active, 0) == WAIT_OBJECT_0) {
 	    char wclass[200];
@@ -137,8 +159,8 @@
 	    of_proc_old = (WNDPROC)GetWindowLong (hwnd, GWL_WNDPROC);
 	    SetWindowLong (hwnd, GWL_WNDPROC, (LONG)(WNDPROC)of_proc);
 	}
-#endif
 	break;
+#endif	
     }	
     return CallNextHookEx (ctb_hook, code, wparam, lparam);
 }
@@ -175,3 +197,19 @@
     rc = UnhookWindowsHookEx (ctb_hook);
     return rc ? 0 : (int)GetLastError ();
 }
+
+
+/* Change the active plug-in modes, enable mode @mode. */
+void
+gpgoe_set_active_modes (int mode)
+{
+    gpgoe_active_modes = mode;
+}
+
+
+int
+gpgoe_get_active_modes (void)
+{
+    return gpgoe_active_modes;
+}
+