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//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994.
//
// File: popup.cxx
//
// Contents: Implementation of popup menu functions.
//
// Functions: TrackModalPopupMenu
//
// History: 16-Aug-93 BruceFo Created from JohnEls code
//
//--------------------------------------------------------------------------
#include "headers.hxx"
#pragma hdrstop
#include "popup.hxx"
//////////////////////////////////////////////////////////////////////////////
//+-------------------------------------------------------------------------
//
// Function: TrackModalPopupMenu, public
//
// Synopsis: Displays a popup menu and returns the user's choice.
//
// Arguments: [hMenu] -- The popup menu to display.
// [dwFlags] -- Flags (see flags for [TrackPopupMenu()].
// [x], [y] -- Menu position, in screen coordinates.
// [nReserved] -- Reserved. Must be 0.
// [lpReserved] -- Reserved. Must be NULL.
//
// Returns: The ID corresponding to the menu item chosen by the user.
// If the user cancels the menu, -1 is returned. If the
// attempt to display the menu fails, -2 is returned.
//
// History: 05-Mar-92 JohnEls Created.
//
//--------------------------------------------------------------------------
INT
TrackModalPopupMenu(
HMENU hMenu,
UINT dwFlags,
int x,
int y,
int nReserved,
LPRECT prc
)
{
INT ret;
if (TrackPopupMenu(
hMenu,
dwFlags,
x,
y,
nReserved,
g_hwndFrame,
prc))
{
MSG msg;
//
// Look for a WM_COMMAND message in the queue. If there is none,
// then the user cancelled the menu.
//
if (PeekMessage(
&msg,
g_hwndFrame,
WM_COMMAND,
WM_COMMAND,
PM_NOREMOVE | PM_NOYIELD))
{
ret = LOWORD(msg.wParam);
}
else
{
ret = -1;
}
}
else
{
//
// Failed to display the menu.
//
ret = -2;
}
return ret;
}
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