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Commit d9f21fcc authored by Jacek Caban's avatar Jacek Caban Committed by Alexandre Julliard
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win32u: Move call_hooks implementation from user32.

Signed-off-by: 's avatarJacek Caban <jacek@codeweavers.com> Signed-off-by: 's avatarHuw Davies <huw@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 088033cf
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Showing with 65 additions and 148 deletions
dlls/user32/hook.c
View file @ d9f21fcc
......@@ -125,17 +125,6 @@ static const char * const hook_names[WH_WINEVENT - WH_MINHOOK + 1] =
/***********************************************************************
* get_ll_hook_timeout
*
*/
static UINT get_ll_hook_timeout(void)
{
/* FIXME: should retrieve LowLevelHooksTimeout in HKEY_CURRENT_USER\Control Panel\Desktop */
return 2000;
}
/***********************************************************************
* set_windows_hook
*
* Implementation of SetWindowsHookExA and SetWindowsHookExW.
......@@ -334,149 +323,19 @@ void *get_hook_proc( void *proc, const WCHAR *module, HMODULE *free_module )
return (char *)mod + (ULONG_PTR)proc;
}
/***********************************************************************
* call_hook
*
* Call hook either in current thread or send message to the destination
* thread.
*/
static LRESULT call_hook( struct hook_info *info, INT code, WPARAM wparam, LPARAM lparam )
{
DWORD_PTR ret = 0;
if (info->tid)
{
struct hook_extra_info h_extra;
h_extra.handle = info->handle;
h_extra.lparam = lparam;
TRACE( "calling hook in thread %04x %s code %x wp %lx lp %lx\n",
info->tid, hook_names[info->id-WH_MINHOOK], code, wparam, lparam );
switch(info->id)
{
case WH_KEYBOARD_LL:
MSG_SendInternalMessageTimeout( info->pid, info->tid, WM_WINE_KEYBOARD_LL_HOOK,
wparam, (LPARAM)&h_extra, SMTO_ABORTIFHUNG,
get_ll_hook_timeout(), &ret );
break;
case WH_MOUSE_LL:
MSG_SendInternalMessageTimeout( info->pid, info->tid, WM_WINE_MOUSE_LL_HOOK,
wparam, (LPARAM)&h_extra, SMTO_ABORTIFHUNG,
get_ll_hook_timeout(), &ret );
break;
default:
ERR("Unknown hook id %d\n", info->id);
assert(0);
break;
}
}
else if (info->proc)
{
struct user_thread_info *thread_info = get_user_thread_info();
HMODULE free_module = 0;
/*
* Windows protects from stack overflow in recursive hook calls. Different Windows
* allow different depths.
*/
if (thread_info->hook_call_depth >= 25)
{
WARN("Too many hooks called recursively, skipping call.\n");
return 0;
}
TRACE( "calling hook %p %s code %x wp %lx lp %lx module %s\n",
info->proc, hook_names[info->id-WH_MINHOOK], code, wparam,
lparam, debugstr_w(info->module) );
if (!info->module[0] ||
(info->proc = get_hook_proc( info->proc, info->module, &free_module )) != NULL)
{
HHOOK prev = thread_info->hook;
BOOL prev_unicode = thread_info->hook_unicode;
thread_info->hook = info->handle;
thread_info->hook_unicode = info->next_unicode;
thread_info->hook_call_depth++;
ret = call_hook_proc( info->proc, info->id, code, wparam, lparam,
info->prev_unicode, info->next_unicode );
thread_info->hook = prev;
thread_info->hook_unicode = prev_unicode;
thread_info->hook_call_depth--;
if (free_module) FreeLibrary(free_module);
}
}
if (info->id == WH_KEYBOARD_LL || info->id == WH_MOUSE_LL)
NtUserCallOneParam( 1, NtUserIncrementKeyStateCounter ); /* force refreshing the key state cache */
return ret;
}
/***********************************************************************
* HOOK_IsHooked
*/
static BOOL HOOK_IsHooked( INT id )
{
struct user_thread_info *thread_info = get_user_thread_info();
if (!thread_info->active_hooks) return TRUE;
return (thread_info->active_hooks & (1 << (id - WH_MINHOOK))) != 0;
}
/***********************************************************************
* HOOK_CallHooks
*/
LRESULT HOOK_CallHooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode )
{
struct user_thread_info *thread_info = get_user_thread_info();
struct hook_info info;
DWORD_PTR ret;
USER_CheckNotLock();
if (!HOOK_IsHooked( id ))
{
TRACE( "skipping hook %s mask %x\n", hook_names[id-WH_MINHOOK], thread_info->active_hooks );
return 0;
}
ZeroMemory( &info, sizeof(info) - sizeof(info.module) );
info.prev_unicode = unicode;
info.id = id;
SERVER_START_REQ( start_hook_chain )
{
req->id = info.id;
req->event = EVENT_MIN;
wine_server_set_reply( req, info.module, sizeof(info.module)-sizeof(WCHAR) );
if (!wine_server_call( req ))
{
info.module[wine_server_reply_size(req) / sizeof(WCHAR)] = 0;
info.handle = wine_server_ptr_handle( reply->handle );
info.pid = reply->pid;
info.tid = reply->tid;
info.proc = wine_server_get_ptr( reply->proc );
info.next_unicode = reply->unicode;
thread_info->active_hooks = reply->active_hooks;
}
}
SERVER_END_REQ;
if (!info.tid && !info.proc) return 0;
ret = call_hook( &info, code, wparam, lparam );
SERVER_START_REQ( finish_hook_chain )
{
req->id = id;
wine_server_call( req );
}
SERVER_END_REQ;
return ret;
struct win_hook_params params;
params.id = id;
params.code = code;
params.wparam = wparam;
params.lparam = lparam;
params.next_unicode = unicode;
return NtUserCallOneParam( (UINT_PTR)&params, NtUserCallHooks );
}
......
dlls/win32u/hook.c
View file @ d9f21fcc
......@@ -324,6 +324,57 @@ LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam )
return call_hook( &info );
}
LRESULT call_hooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode )
{
struct user_thread_info *thread_info = get_user_thread_info();
struct win_hook_params info;
DWORD_PTR ret;
user_check_not_lock();
if (!is_hooked( id ))
{
TRACE( "skipping hook %s mask %x\n", hook_names[id-WH_MINHOOK], thread_info->active_hooks );
return 0;
}
memset( &info, 0, sizeof(info) - sizeof(info.module) );
info.prev_unicode = unicode;
info.id = id;
SERVER_START_REQ( start_hook_chain )
{
req->id = info.id;
req->event = EVENT_MIN;
wine_server_set_reply( req, info.module, sizeof(info.module)-sizeof(WCHAR) );
if (!wine_server_call( req ))
{
info.module[wine_server_reply_size(req) / sizeof(WCHAR)] = 0;
info.handle = wine_server_ptr_handle( reply->handle );
info.pid = reply->pid;
info.tid = reply->tid;
info.proc = wine_server_get_ptr( reply->proc );
info.next_unicode = reply->unicode;
thread_info->active_hooks = reply->active_hooks;
}
}
SERVER_END_REQ;
if (!info.tid && !info.proc) return 0;
info.code = code;
info.wparam = wparam;
info.lparam = lparam;
ret = call_hook( &info );
SERVER_START_REQ( finish_hook_chain )
{
req->id = id;
wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtUserSetWinEventHook (win32u.@)
*/
......
dlls/win32u/sysparams.c
View file @ d9f21fcc
......@@ -4579,6 +4579,11 @@ ULONG_PTR WINAPI NtUserCallOneParam( ULONG_PTR arg, ULONG code )
case NtUserMessageBeep:
return message_beep( arg );
/* temporary exports */
case NtUserCallHooks:
{
const struct win_hook_params *params = (struct win_hook_params *)arg;
call_hooks( params->id, params->code, params->wparam, params->lparam, params->next_unicode );
}
case NtUserFlushWindowSurfaces:
flush_window_surfaces( arg );
return 0;
......
dlls/win32u/win32u_private.h
View file @ d9f21fcc
......@@ -255,6 +255,7 @@ extern ULONG_PTR set_icon_param( HICON handle, ULONG_PTR param ) DECLSPEC_HIDDEN
/* hook.c */
extern LRESULT call_current_hook( HHOOK hhook, INT code, WPARAM wparam, LPARAM lparam ) DECLSPEC_HIDDEN;
extern LRESULT call_hooks( INT id, INT code, WPARAM wparam, LPARAM lparam, BOOL unicode ) DECLSPEC_HIDDEN;
extern BOOL unhook_windows_hook( INT id, HOOKPROC proc ) DECLSPEC_HIDDEN;
/* input.c */
......
include/ntuser.h
View file @ d9f21fcc
......@@ -107,6 +107,7 @@ enum
NtUserMessageBeep,
NtUserRealizePalette,
/* temporary exports */
NtUserCallHooks,
NtUserFlushWindowSurfaces,
NtUserGetDeskPattern,
NtUserHandleInternalMessage,
......
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