windows-nt/Source/XPSP1/NT/shell/published/inc/systrayp.h
2020-09-26 16:20:57 +08:00

104 lines
2.9 KiB
C

/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORP., 1993-1994
*
* TITLE: SYSTRAY.H
*
* VERSION: 2.1
*
* AUTHOR: Tracy Sharpe / RAL
*
* DATE: 20 Feb 1994
*
* Public definitions of the system tray applet (battery meter, PCMCIA, etc).
*
********************************************************************************
*
* CHANGE LOG:
*
* DATE REV DESCRIPTION
* ----------- --- -------------------------------------------------------------
* 20 Feb 1994 TCS Original implementation.
* 11/8/94 RAL Converted to systray
* 10/23/95 Shawnb Unicode enabled
*
*******************************************************************************/
#ifndef _INC_SYSTRAY
#define _INC_SYSTRAY
#define SYSTRAY_CLASSNAME TEXT ("SystemTray_Main")
// Private tray icon notification message sent to the BatteryMeter window.
#define STWM_NOTIFYPOWER (WM_USER + 201)
#define STWM_NOTIFYPCMCIA (WM_USER + 202)
#define STWM_NOTIFYVOLUME (WM_USER + 203)
#define STWM_NOTIFYSTICKYKEYS (WM_USER + 204)
#define STWM_NOTIFYMOUSEKEYS (WM_USER + 205)
#define STWM_NOTIFYFILTERKEYS (WM_USER + 206)
#define STWM_NOTIFYCSC (WM_USER + 207)
#define STWM_NOTIFYUSBUI (WM_USER + 208)
// Private tray icon notification messages sent to the BatteryMeter window.
#define STWM_ENABLESERVICE (WM_USER + 220)
#define STWM_GETSTATE (WM_USER + 221)
#define STSERVICE_POWER 1
#define STSERVICE_PCMCIA 2
#define STSERVICE_VOLUME 4
#define STSERVICE_CSC 8
#define STSERVICE_USBUI 16
#define STSERVICE_ALL 31 // Internal
//
// Flags for the PCMCIA registry entry
//
#define PCMCIA_REGFLAG_NOWARN 1
// Prototypes
_inline BOOL SysTray_EnableService(int idSTService, BOOL fEnable)
{
HWND hwndST = FindWindow(SYSTRAY_CLASSNAME, NULL);
if (hwndST)
{
SendMessage(hwndST, STWM_ENABLESERVICE, idSTService, fEnable);
return TRUE;
}
else
{
if (fEnable)
{
static const TCHAR szOPEN[] = TEXT ("open");
static const TCHAR szFILE[] = TEXT ("SYSTRAY.EXE");
static const TCHAR szFORMAT[] = TEXT ("%i");
TCHAR szPARAMS[10];
HINSTANCE hInst;
wsprintf (szPARAMS, szFORMAT, idSTService);
hInst = ShellExecute (NULL, szOPEN, szFILE,
szPARAMS, NULL, SW_SHOWNOACTIVATE);
if (hInst <= (HINSTANCE)32)
return FALSE;
}
return TRUE;
}
} // End SysTray_EnableService
_inline BOOL SysTray_IsServiceEnabled(WPARAM idSTService)
{
HWND hwndST = FindWindow(SYSTRAY_CLASSNAME, NULL);
if (hwndST)
{
return((BOOL)SendMessage(hwndST, STWM_GETSTATE, idSTService, 0));
}
else
{
return (FALSE);
}
} // End SysTray_IsServiceEnabled
#endif // _INC_SYSTRAY