1 files changed, 130 insertions, 0 deletions
diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp
new file mode 100644
index 00000000..a0c9e1c5
--- /dev/null
+++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR0LibMouse.cpp
@@ -0,0 +1,130 @@
+/* $Id: VBoxGuestR0LibMouse.cpp $ */
+/** @file
+ * VBoxGuestLibR0 - Mouse Integration.
+ */
+
+/*
+ * Copyright (C) 2012-2023 Oracle and/or its affiliates.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "VBoxGuestR0LibInternal.h"
+#ifdef VBGL_VBOXGUEST
+# error "This file shouldn't be part of the VBoxGuestR0LibBase library that is linked into VBoxGuest.  It's client code."
+#endif
+
+
+/**
+ * Sets the function which is called back on each mouse pointer event.  Only
+ * one callback can be active at once, so if you need several for any reason
+ * you must multiplex yourself.  Call backs can be disabled by passing NULL
+ * as the function pointer.
+ *
+ * @remarks Ring-0.
+ * @returns iprt status code.
+ * @returns VERR_TRY_AGAIN if the main guest driver hasn't finished
+ *          initialising.
+ *
+ * @param   pfnNotify  the function to call back.  NULL to disable call backs.
+ * @param   pvUser     user supplied data/cookie to be passed to the function.
+ */
+DECLR0VBGL(int) VbglR0SetMouseNotifyCallback(PFNVBOXGUESTMOUSENOTIFY pfnNotify, void *pvUser)
+{
+    PVBGLIDCHANDLE pIdcHandle;
+    int rc = vbglR0QueryIdcHandle(&pIdcHandle);
+    if (RT_SUCCESS(rc))
+    {
+        VBGLIOCSETMOUSENOTIFYCALLBACK NotifyCallback;
+        VBGLREQHDR_INIT(&NotifyCallback.Hdr, SET_MOUSE_NOTIFY_CALLBACK);
+        NotifyCallback.u.In.pfnNotify = pfnNotify;
+        NotifyCallback.u.In.pvUser    = pvUser;
+        rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_SET_MOUSE_NOTIFY_CALLBACK, &NotifyCallback.Hdr, sizeof(NotifyCallback));
+    }
+    return rc;
+}
+
+
+/**
+ * Retrieve mouse coordinates and features from the host.
+ *
+ * @remarks Ring-0.
+ * @returns VBox status code.
+ *
+ * @param   pfFeatures  Where to store the mouse features.
+ * @param   px          Where to store the X co-ordinate.
+ * @param   py          Where to store the Y co-ordinate.
+ */
+DECLR0VBGL(int) VbglR0GetMouseStatus(uint32_t *pfFeatures, uint32_t *px, uint32_t *py)
+{
+    PVBGLIDCHANDLE pIdcHandle;
+    int rc = vbglR0QueryIdcHandle(&pIdcHandle);
+    if (RT_SUCCESS(rc))
+    {
+        VMMDevReqMouseStatus Req;
+        VMMDEV_REQ_HDR_INIT(&Req.header, sizeof(Req), VMMDevReq_GetMouseStatus);
+        Req.mouseFeatures = 0;
+        Req.pointerXPos = 0;
+        Req.pointerYPos = 0;
+        rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_VMMDEV_REQUEST(sizeof(Req)), (PVBGLREQHDR)&Req.header, sizeof(Req));
+        if (RT_SUCCESS(rc))
+        {
+            if (pfFeatures)
+                *pfFeatures = Req.mouseFeatures;
+            if (px)
+                *px = Req.pointerXPos;
+            if (py)
+                *py = Req.pointerYPos;
+        }
+    }
+    return rc;
+}
+
+
+/**
+ * Send mouse features to the host.
+ *
+ * @remarks Ring-0.
+ * @returns VBox status code.
+ *
+ * @param   fFeatures  Supported mouse pointer features.  The main guest driver
+ *                     will mediate different callers and show the host any
+ *                     feature enabled by any guest caller.
+ */
+DECLR0VBGL(int) VbglR0SetMouseStatus(uint32_t fFeatures)
+{
+    PVBGLIDCHANDLE pIdcHandle;
+    int rc = vbglR0QueryIdcHandle(&pIdcHandle);
+    if (RT_SUCCESS(rc))
+    {
+        VBGLIOCSETMOUSESTATUS Req;
+        VBGLREQHDR_INIT(&Req.Hdr, SET_MOUSE_STATUS);
+        Req.u.In.fStatus = fFeatures;
+        rc = VbglR0IdcCall(pIdcHandle, VBGL_IOCTL_SET_MOUSE_STATUS, &Req.Hdr, sizeof(Req));
+    }
+    return rc;
+}
+