mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
2.3 KiB
96 lines
2.3 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// 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;
|
|
}
|