Changeset 52131 in vbox

Timestamp:

Jul 22, 2014 3:53:52 PM (11 years ago)

Author:

vboxsync

Message:

FE/Qt: on Windows hosts do use the low-level keyboard hook to detect AltGr when the keyboard is captured.

File:

• trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIKeyboardHandler.cpp (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/runtime/UIKeyboardHandler.cpp

@@ -1054 +1054 @@
     if (!m_fIsKeyboardCaptured)
         return false;
+
+    /* For normal user applications, Windows defines AltGr to be the same as
+     * LControl + RAlt.  Without a low-level hook it is hard to recognise the
+     * additional LControl event inserted, but in a hook we recognise it by
+     * its special 0x21D scan code. */
+    if (   m_views[m_iKeyboardHookViewIndex]->hasFocus()
+        && ((event.scanCode & ~0x80) == 0x21D))
+        return true;
 
     MSG message;