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58 lines
989 B
58 lines
989 B
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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HideCursor.cpp
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Abstract:
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ShowCursor will display the cursor if the count is >= 0, this shim will
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force ShowCursor to act as a toggle rather than a count.
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In other words it forces the count to be 0 or -1.
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History:
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05/25/2001 robkenny Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(HideCursor)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(ShowCursor)
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APIHOOK_ENUM_END
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int
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APIHOOK(ShowCursor)(
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BOOL bShow // cursor visibility
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)
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{
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int nShowCount = ShowCursor(bShow);
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while (nShowCount > 0)
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{
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// Hide the cursor until the count reaches 0
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nShowCount = ShowCursor(FALSE);
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}
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while (nShowCount < -1)
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{
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// Show the cursor until the count reaches -1
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nShowCount = ShowCursor(TRUE);
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}
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return nShowCount;
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}
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HOOK_BEGIN
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APIHOOK_ENTRY(USER32.DLL, ShowCursor)
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HOOK_END
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IMPLEMENT_SHIM_END
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