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[WIN32K]

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- Handle keyboard input when no windows are present
- Patch by Andrey Ivanov with changes suggested in the bug report
See issue #3560 for more details.

svn path=/trunk/; revision=46836
This commit is contained in:
Gregor Schneider 2010-04-11 10:39:20 +00:00
parent 386c534e6c
commit 91d15df7c5
1 changed files with 22 additions and 15 deletions
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37
reactos/subsystems/win32/win32k/ntuser/input.c
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@ -713,6 +713,7 @@ KeyboardThreadMain(PVOID StartContext)
for (;NumKeys;memcpy(&KeyInput, &NextKeyInput, sizeof(KeyInput)),
NumKeys--)
{
PKBL keyboardLayout = NULL;
lParam = 0;
IntKeyboardUpdateLeds(KeyboardDeviceHandle,
@ -783,29 +784,30 @@ KeyboardThreadMain(PVOID StartContext)
}
/* Find the target thread whose locale is in effect */
FocusQueue = IntGetFocusMessageQueue();
FocusQueue = IntGetFocusMessageQueue();
/* This might cause us to lose hot keys, which are important
* (ctrl-alt-del secure attention sequence). Not sure if it
* can happen though.
*/
if (!FocusQueue)
continue;
if (FocusQueue)
{
msg.hwnd = FocusQueue->FocusWindow;
FocusThread = FocusQueue->Thread;
if (FocusThread && FocusThread->Tcb.Win32Thread)
{
keyboardLayout = ((PTHREADINFO)FocusThread->Tcb.Win32Thread)->KeyboardLayout;
}
}
if (!keyboardLayout)
{
keyboardLayout = W32kGetDefaultKeyLayout();
}
msg.lParam = lParam;
msg.hwnd = FocusQueue->FocusWindow;
FocusThread = FocusQueue->Thread;
if (!(FocusThread && FocusThread->Tcb.Win32Thread &&
((PTHREADINFO)FocusThread->Tcb.Win32Thread)->KeyboardLayout))
continue;
/* This function uses lParam to fill wParam according to the
* keyboard layout in use.
*/
W32kKeyProcessMessage(&msg,
((PTHREADINFO)FocusThread->Tcb.Win32Thread)->KeyboardLayout->KBTables,
keyboardLayout->KBTables,
KeyInput.Flags & KEY_E0 ? 0xE0 :
(KeyInput.Flags & KEY_E1 ? 0xE1 : 0));
@ -827,6 +829,11 @@ KeyboardThreadMain(PVOID StartContext)
continue; /* Eat key up motion too */
}
if (!FocusQueue)
{
/* There is no focused window to receive a keyboard message */
continue;
}
/*
* Post a keyboard message.
*/