Message or event hook functions

Macros
#define	HOOK_GOON   0
#define	HOOK_STOP   1

Typedefs
typedef int(*	SRVEVTHOOK) (PMSG pMsg)
	The type of the event hook. More...

Functions
MG_EXPORT SRVEVTHOOK GUIAPI	SetServerEventHook (SRVEVTHOOK SrvEvtHook)
	Sets an event hook in the server of MiniGUI-Processes. More...
MG_EXPORT HWND GUIAPI	RegisterKeyHookWindow (HWND hwnd, DWORD flag)
	Registers a key message hook window. More...
MG_EXPORT HWND GUIAPI	RegisterMouseHookWindow (HWND hwnd, DWORD flag)
	Registers a mouse message hook window. More...

Detailed Description

Macro Definition Documentation

#define HOOK_GOON   0

See also

SRVEVTHOOK RegisterKeyHookWindow RegisterMouseHookWindow

Definition at line 2892 of file window.h.

#define HOOK_STOP   1

See also

SRVEVTHOOK RegisterKeyHookWindow RegisterMouseHookWindow

Definition at line 2898 of file window.h.

Typedef Documentation

typedef int(* SRVEVTHOOK)(PMSG pMsg)

The type of the event hook.

You can call SetServerEventHook to set an event hook in the server of the MiniGUI-Processes.

If the event hook returns HOOK_GOON, mginit will continue to handle the event, and send it to the active client. If the hook returns HOOK_STOP, mginit will cancel normal handling.

See also

SetServerEventHook

Definition at line 2975 of file window.h.

Function Documentation

HWND GUIAPI RegisterKeyHookWindow	(	HWND	hwnd,
		DWORD	flag
	)

Registers a key message hook window.

This function registers a key message hook pointed to by hook.

When the desktop receives a key message, it will send it to the hook first, and passes the context value to the hook as the first argument.

Parameters

hwnd	The hook hwnd. This function will unregister the old hook if hwnd is HWND_NULL.
flag	Indicates whether stop or continue handling the hooked messages. HOOK_GOON to continue, HOOK_STOP to stop.

Returns

The handle of old hook window.

Note

This function be be called by a client of MiniGUI-Processes. For the server, you can use SetServerEventHook.

See also

RegisterMouseHookWindow, SetServerEventHook

HWND GUIAPI RegisterMouseHookWindow	(	HWND	hwnd,
		DWORD	flag
	)

Registers a mouse message hook window.

This function registers a mouse message hook pointed to by hook.

When the desktop receives a mouse message, it will send it to the hook first, and passes the context value to the hook as the first argument.

Parameters

hwnd	The hook hwnd. This function will unregister the old hook if hook is HWND_NULL.
flag	Indicates whether stop or continue handling the hooked messages. HOOK_GOON to continue, HOOK_STOP to stop.

Returns

The handle of old hook window.

Note

This function be be called by a client of MiniGUI-Processes. For the server, you can use SetServerEventHook.

See also

RegisterKeyHookWindow, SetServerEventHook

void GUIAPI SetServerEventHook

(

SRVEVTHOOK

SrvEvtHook

)

Sets an event hook in the server of MiniGUI-Processes.

This function sets the event hook as SrvEvtHook in the server, i.e. mginit, of MiniGUI-Processes.

Parameters

SrvEvtHook

The pointer to the hook, NULL to cancel the hook.

Note

Only defined for MiniGUI-Processes, and only can be used by the server.

See also

SRVEVTHOOK