Changeset 49386 in vbox

Timestamp:

Nov 4, 2013 4:39:46 PM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

90431

Message:

Main: Added a releaseKeys method to IKeyboard.

Location:

trunk/src/VBox/Main

Files:

• idl/VirtualBox.xidl (modified) (1 diff)
• include/KeyboardImpl.h (modified) (1 diff)
• src-client/KeyboardImpl.cpp (modified) (1 diff)

trunk/src/VBox/Main/idl/VirtualBox.xidl

@@ -14730 +14730 @@
     </method>
 
+    <method name="releaseKeys">
+      <desc>Causes the virtual keyboard to release any keys which are
+      currently pressed. Useful when host and guest keyboard may be out
+      of sync.
+
+        <result name="VBOX_E_IPRT_ERROR">
+          Could not release some or all keys.
+        </result>
+
+      </desc>
+    </method>
+
     <attribute name="eventSource" type="IEventSource" readonly="yes">
       <desc>

trunk/src/VBox/Main/include/KeyboardImpl.h

@@ -74 +74 @@
                             ULONG *codesStored);
     STDMETHOD(PutCAD)();
+    STDMETHOD(ReleaseKeys)();
 
     STDMETHOD(COMGETTER(EventSource))(IEventSource ** aEventSource);

trunk/src/VBox/Main/src-client/KeyboardImpl.cpp

@@ -253 +253 @@
 
     return PutScancodes(ComSafeArrayAsInParam(cadSequence), NULL);
+}
+
+/**
+ * Releases all currently held keys in the virtual keyboard.
+ *
+ * @returns COM status code
+ *
+ */
+STDMETHODIMP Keyboard::ReleaseKeys()
+{
+    com::SafeArray<LONG> scancodes(1);
+    scancodes[0] = 0xFC;    /* Magic scancode, see PS/2 and USB keyboard devices. */
+    return PutScancodes(ComSafeArrayAsInParam(scancodes), NULL);
 }