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remove focus from window, when it gets diabled

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- fixes bug 843
See issue #843 for more details.

svn path=/trunk/; revision=25412
This commit is contained in:
Timo Kreuzer 2007-01-10 04:51:27 +00:00
parent 6af685313a
commit b824f04492
1 changed files with 18 additions and 4 deletions
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22
reactos/dll/win32/user32/windows/input.c
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@ -36,6 +36,7 @@
/* Directory to load key layouts from */
#define SYSTEMROOT_DIR L"\\SystemRoot\\System32\\"
#define STATE_GWL_OFFSET 0
/* GLOBALS *******************************************************************/
@ -338,11 +339,24 @@ EnableWindow(HWND hWnd,
BOOL bEnable)
{
LONG Style = NtUserGetWindowLong(hWnd, GWL_STYLE, FALSE);
Style = bEnable ? Style & ~WS_DISABLED : Style | WS_DISABLED;
NtUserSetWindowLong(hWnd, GWL_STYLE, Style, FALSE);
SendMessageA(hWnd, WM_ENABLE, (LPARAM) IsWindowEnabled(hWnd), 0);
/* check if updating is needed */
UINT bIsDisabled = (Style & WS_DISABLED);
if ( (bIsDisabled && bEnable) || (!bIsDisabled && !bEnable) )
{
if (bEnable)
{
Style &= ~WS_DISABLED;
}
else
{
/* Remove keyboard focus from that window */
SetFocus(NULL);
Style |= WS_DISABLED;
}
NtUserSetWindowLong(hWnd, GWL_STYLE, Style, FALSE);
SendMessageA(hWnd, WM_ENABLE, (LPARAM) IsWindowEnabled(hWnd), 0);
}
// Return nonzero if it was disabled, or zero if it wasn't:
return IsWindowEnabled(hWnd);
}