2 * X11DRV initialization code
4 * Copyright 1998 Patrik Stridvall
5 * Copyright 2000 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
30 #ifdef HAVE_SYS_TIME_H
31 # include <sys/time.h>
36 #include <X11/cursorfont.h>
39 #include <X11/XKBlib.h>
41 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
42 #include <X11/extensions/Xrender.h>
50 #include "xcomposite.h"
51 #include "wine/server.h"
52 #include "wine/unicode.h"
53 #include "wine/debug.h"
54 #include "wine/library.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(x11drv
);
57 WINE_DECLARE_DEBUG_CHANNEL(synchronous
);
58 WINE_DECLARE_DEBUG_CHANNEL(winediag
);
60 XVisualInfo default_visual
= { 0 };
61 XVisualInfo argb_visual
= { 0 };
62 Colormap default_colormap
= None
;
63 XPixmapFormatValues
**pixmap_formats
;
64 unsigned int screen_bpp
;
66 BOOL usexvidmode
= TRUE
;
67 BOOL usexrandr
= TRUE
;
68 BOOL usexcomposite
= TRUE
;
70 BOOL use_take_focus
= TRUE
;
71 BOOL use_primary_selection
= FALSE
;
72 BOOL use_system_cursors
= TRUE
;
73 BOOL show_systray
= TRUE
;
74 BOOL grab_pointer
= TRUE
;
75 BOOL grab_fullscreen
= FALSE
;
76 BOOL managed_mode
= TRUE
;
77 BOOL decorated_mode
= TRUE
;
78 BOOL private_color_map
= FALSE
;
79 int primary_monitor
= 0;
80 BOOL client_side_graphics
= TRUE
;
81 BOOL client_side_with_render
= TRUE
;
82 BOOL shape_layered_windows
= TRUE
;
83 int copy_default_colors
= 128;
84 int alloc_system_colors
= 256;
85 DWORD thread_data_tls_index
= TLS_OUT_OF_INDEXES
;
86 int xrender_error_base
= 0;
87 HMODULE x11drv_module
= 0;
88 char *process_name
= NULL
;
90 static x11drv_error_callback err_callback
; /* current callback for error */
91 static Display
*err_callback_display
; /* display callback is set for */
92 static void *err_callback_arg
; /* error callback argument */
93 static int err_callback_result
; /* error callback result */
94 static unsigned long err_serial
; /* serial number of first request */
95 static int (*old_error_handler
)( Display
*, XErrorEvent
* );
96 static BOOL use_xim
= TRUE
;
97 static char input_style
[20];
99 #define IS_OPTION_TRUE(ch) \
100 ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
101 #define IS_OPTION_FALSE(ch) \
102 ((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
104 Atom X11DRV_Atoms
[NB_XATOMS
- FIRST_XATOM
];
106 static const char * const atom_names
[NB_XATOMS
- FIRST_XATOM
] =
131 "_NET_STARTUP_INFO_BEGIN",
134 "_NET_SYSTEM_TRAY_OPCODE",
135 "_NET_SYSTEM_TRAY_S0",
136 "_NET_SYSTEM_TRAY_VISUAL",
138 "_NET_WM_MOVERESIZE",
143 "_NET_WM_STATE_ABOVE",
144 "_NET_WM_STATE_DEMANDS_ATTENTION",
145 "_NET_WM_STATE_FULLSCREEN",
146 "_NET_WM_STATE_MAXIMIZED_HORZ",
147 "_NET_WM_STATE_MAXIMIZED_VERT",
148 "_NET_WM_STATE_SKIP_PAGER",
149 "_NET_WM_STATE_SKIP_TASKBAR",
151 "_NET_WM_USER_TIME_WINDOW",
152 "_NET_WM_WINDOW_OPACITY",
153 "_NET_WM_WINDOW_TYPE",
154 "_NET_WM_WINDOW_TYPE_DIALOG",
155 "_NET_WM_WINDOW_TYPE_NORMAL",
156 "_NET_WM_WINDOW_TYPE_UTILITY",
194 /***********************************************************************
197 * Check if the X error is one we can ignore.
199 static inline BOOL
ignore_error( Display
*display
, XErrorEvent
*event
)
201 if ((event
->request_code
== X_SetInputFocus
||
202 event
->request_code
== X_ChangeWindowAttributes
||
203 event
->request_code
== X_SendEvent
) &&
204 (event
->error_code
== BadMatch
||
205 event
->error_code
== BadWindow
)) return TRUE
;
207 /* the clipboard display interacts with external windows, ignore all errors */
208 if (display
== clipboard_display
) return TRUE
;
210 /* ignore a number of errors on gdi display caused by creating/destroying windows */
211 if (display
== gdi_display
)
213 if (event
->error_code
== BadDrawable
||
214 event
->error_code
== BadGC
||
215 event
->error_code
== BadWindow
)
217 #ifdef HAVE_X11_EXTENSIONS_XRENDER_H
218 if (xrender_error_base
) /* check for XRender errors */
220 if (event
->error_code
== xrender_error_base
+ BadPicture
) return TRUE
;
228 /***********************************************************************
229 * X11DRV_expect_error
231 * Setup a callback function that will be called on an X error. The
232 * callback must return non-zero if the error is the one it expected.
234 void X11DRV_expect_error( Display
*display
, x11drv_error_callback callback
, void *arg
)
236 err_callback
= callback
;
237 err_callback_display
= display
;
238 err_callback_arg
= arg
;
239 err_callback_result
= 0;
240 err_serial
= NextRequest(display
);
244 /***********************************************************************
247 * Check if an expected X11 error occurred; return non-zero if yes.
248 * The caller is responsible for calling XSync first if necessary.
250 int X11DRV_check_error(void)
253 return err_callback_result
;
257 /***********************************************************************
260 static int error_handler( Display
*display
, XErrorEvent
*error_evt
)
262 if (err_callback
&& display
== err_callback_display
&&
263 (long)(error_evt
->serial
- err_serial
) >= 0)
265 if ((err_callback_result
= err_callback( display
, error_evt
, err_callback_arg
)))
267 TRACE( "got expected error %d req %d\n",
268 error_evt
->error_code
, error_evt
->request_code
);
272 if (ignore_error( display
, error_evt
))
274 TRACE( "got ignored error %d req %d\n",
275 error_evt
->error_code
, error_evt
->request_code
);
278 if (TRACE_ON(synchronous
))
280 ERR( "X protocol error: serial=%ld, request_code=%d - breaking into debugger\n",
281 error_evt
->serial
, error_evt
->request_code
);
282 DebugBreak(); /* force an entry in the debugger */
284 old_error_handler( display
, error_evt
);
288 /***********************************************************************
289 * init_pixmap_formats
291 static void init_pixmap_formats( Display
*display
)
293 int i
, count
, max
= 32;
294 XPixmapFormatValues
*formats
= XListPixmapFormats( display
, &count
);
296 for (i
= 0; i
< count
; i
++)
298 TRACE( "depth %u, bpp %u, pad %u\n",
299 formats
[i
].depth
, formats
[i
].bits_per_pixel
, formats
[i
].scanline_pad
);
300 if (formats
[i
].depth
> max
) max
= formats
[i
].depth
;
302 pixmap_formats
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*pixmap_formats
) * (max
+ 1) );
303 for (i
= 0; i
< count
; i
++) pixmap_formats
[formats
[i
].depth
] = &formats
[i
];
307 /***********************************************************************
310 * Get a config key from either the app-specific or the default config
312 static inline DWORD
get_config_key( HKEY defkey
, HKEY appkey
, const char *name
,
313 char *buffer
, DWORD size
)
315 if (appkey
&& !RegQueryValueExA( appkey
, name
, 0, NULL
, (LPBYTE
)buffer
, &size
)) return 0;
316 if (defkey
&& !RegQueryValueExA( defkey
, name
, 0, NULL
, (LPBYTE
)buffer
, &size
)) return 0;
317 return ERROR_FILE_NOT_FOUND
;
321 /***********************************************************************
324 * Setup the x11drv options.
326 static void setup_options(void)
328 static const WCHAR x11driverW
[] = {'\\','X','1','1',' ','D','r','i','v','e','r',0};
330 WCHAR bufferW
[MAX_PATH
+16];
331 HKEY hkey
, appkey
= 0;
334 /* @@ Wine registry key: HKCU\Software\Wine\X11 Driver */
335 if (RegOpenKeyA( HKEY_CURRENT_USER
, "Software\\Wine\\X11 Driver", &hkey
)) hkey
= 0;
337 /* open the app-specific key */
339 len
= (GetModuleFileNameW( 0, bufferW
, MAX_PATH
));
340 if (len
&& len
< MAX_PATH
)
343 WCHAR
*p
, *appname
= bufferW
;
344 if ((p
= strrchrW( appname
, '/' ))) appname
= p
+ 1;
345 if ((p
= strrchrW( appname
, '\\' ))) appname
= p
+ 1;
347 len
= WideCharToMultiByte( CP_UNIXCP
, 0, appname
, -1, NULL
, 0, NULL
, NULL
);
348 if ((process_name
= HeapAlloc( GetProcessHeap(), 0, len
)))
349 WideCharToMultiByte( CP_UNIXCP
, 0, appname
, -1, process_name
, len
, NULL
, NULL
);
350 strcatW( appname
, x11driverW
);
351 /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\X11 Driver */
352 if (!RegOpenKeyA( HKEY_CURRENT_USER
, "Software\\Wine\\AppDefaults", &tmpkey
))
354 if (RegOpenKeyW( tmpkey
, appname
, &appkey
)) appkey
= 0;
355 RegCloseKey( tmpkey
);
359 if (!get_config_key( hkey
, appkey
, "Managed", buffer
, sizeof(buffer
) ))
360 managed_mode
= IS_OPTION_TRUE( buffer
[0] );
362 if (!get_config_key( hkey
, appkey
, "Decorated", buffer
, sizeof(buffer
) ))
363 decorated_mode
= IS_OPTION_TRUE( buffer
[0] );
365 if (!get_config_key( hkey
, appkey
, "UseXVidMode", buffer
, sizeof(buffer
) ))
366 usexvidmode
= IS_OPTION_TRUE( buffer
[0] );
368 if (!get_config_key( hkey
, appkey
, "UseXRandR", buffer
, sizeof(buffer
) ))
369 usexrandr
= IS_OPTION_TRUE( buffer
[0] );
371 if (!get_config_key( hkey
, appkey
, "UseTakeFocus", buffer
, sizeof(buffer
) ))
372 use_take_focus
= IS_OPTION_TRUE( buffer
[0] );
374 if (!get_config_key( hkey
, appkey
, "UsePrimarySelection", buffer
, sizeof(buffer
) ))
375 use_primary_selection
= IS_OPTION_TRUE( buffer
[0] );
377 if (!get_config_key( hkey
, appkey
, "UseSystemCursors", buffer
, sizeof(buffer
) ))
378 use_system_cursors
= IS_OPTION_TRUE( buffer
[0] );
380 if (!get_config_key( hkey
, appkey
, "ShowSystray", buffer
, sizeof(buffer
) ))
381 show_systray
= IS_OPTION_TRUE( buffer
[0] );
383 if (!get_config_key( hkey
, appkey
, "GrabPointer", buffer
, sizeof(buffer
) ))
384 grab_pointer
= IS_OPTION_TRUE( buffer
[0] );
386 if (!get_config_key( hkey
, appkey
, "GrabFullscreen", buffer
, sizeof(buffer
) ))
387 grab_fullscreen
= IS_OPTION_TRUE( buffer
[0] );
389 if (!get_config_key( hkey
, appkey
, "ScreenDepth", buffer
, sizeof(buffer
) ))
390 default_visual
.depth
= atoi(buffer
);
392 if (!get_config_key( hkey
, appkey
, "ClientSideGraphics", buffer
, sizeof(buffer
) ))
393 client_side_graphics
= IS_OPTION_TRUE( buffer
[0] );
395 if (!get_config_key( hkey
, appkey
, "ClientSideWithRender", buffer
, sizeof(buffer
) ))
396 client_side_with_render
= IS_OPTION_TRUE( buffer
[0] );
398 if (!get_config_key( hkey
, appkey
, "UseXIM", buffer
, sizeof(buffer
) ))
399 use_xim
= IS_OPTION_TRUE( buffer
[0] );
401 if (!get_config_key( hkey
, appkey
, "ShapeLayeredWindows", buffer
, sizeof(buffer
) ))
402 shape_layered_windows
= IS_OPTION_TRUE( buffer
[0] );
404 if (!get_config_key( hkey
, appkey
, "PrivateColorMap", buffer
, sizeof(buffer
) ))
405 private_color_map
= IS_OPTION_TRUE( buffer
[0] );
407 if (!get_config_key( hkey
, appkey
, "PrimaryMonitor", buffer
, sizeof(buffer
) ))
408 primary_monitor
= atoi( buffer
);
410 if (!get_config_key( hkey
, appkey
, "CopyDefaultColors", buffer
, sizeof(buffer
) ))
411 copy_default_colors
= atoi(buffer
);
413 if (!get_config_key( hkey
, appkey
, "AllocSystemColors", buffer
, sizeof(buffer
) ))
414 alloc_system_colors
= atoi(buffer
);
416 get_config_key( hkey
, appkey
, "InputStyle", input_style
, sizeof(input_style
) );
418 if (appkey
) RegCloseKey( appkey
);
419 if (hkey
) RegCloseKey( hkey
);
422 #ifdef SONAME_LIBXCOMPOSITE
424 #define MAKE_FUNCPTR(f) typeof(f) * p##f;
425 MAKE_FUNCPTR(XCompositeQueryExtension
)
426 MAKE_FUNCPTR(XCompositeQueryVersion
)
427 MAKE_FUNCPTR(XCompositeVersion
)
428 MAKE_FUNCPTR(XCompositeRedirectWindow
)
429 MAKE_FUNCPTR(XCompositeRedirectSubwindows
)
430 MAKE_FUNCPTR(XCompositeUnredirectWindow
)
431 MAKE_FUNCPTR(XCompositeUnredirectSubwindows
)
432 MAKE_FUNCPTR(XCompositeCreateRegionFromBorderClip
)
433 MAKE_FUNCPTR(XCompositeNameWindowPixmap
)
436 static int xcomp_event_base
;
437 static int xcomp_error_base
;
439 static void X11DRV_XComposite_Init(void)
441 void *xcomposite_handle
= wine_dlopen(SONAME_LIBXCOMPOSITE
, RTLD_NOW
, NULL
, 0);
442 if (!xcomposite_handle
)
444 TRACE("Unable to open %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE
);
445 usexcomposite
= FALSE
;
449 #define LOAD_FUNCPTR(f) \
450 if((p##f = wine_dlsym(xcomposite_handle, #f, NULL, 0)) == NULL) \
452 LOAD_FUNCPTR(XCompositeQueryExtension
)
453 LOAD_FUNCPTR(XCompositeQueryVersion
)
454 LOAD_FUNCPTR(XCompositeVersion
)
455 LOAD_FUNCPTR(XCompositeRedirectWindow
)
456 LOAD_FUNCPTR(XCompositeRedirectSubwindows
)
457 LOAD_FUNCPTR(XCompositeUnredirectWindow
)
458 LOAD_FUNCPTR(XCompositeUnredirectSubwindows
)
459 LOAD_FUNCPTR(XCompositeCreateRegionFromBorderClip
)
460 LOAD_FUNCPTR(XCompositeNameWindowPixmap
)
463 if(!pXCompositeQueryExtension(gdi_display
, &xcomp_event_base
,
464 &xcomp_error_base
)) {
465 TRACE("XComposite extension could not be queried; disabled\n");
466 wine_dlclose(xcomposite_handle
, NULL
, 0);
467 xcomposite_handle
= NULL
;
468 usexcomposite
= FALSE
;
471 TRACE("XComposite is up and running error_base = %d\n", xcomp_error_base
);
475 TRACE("Unable to load function pointers from %s, XComposite disabled\n", SONAME_LIBXCOMPOSITE
);
476 wine_dlclose(xcomposite_handle
, NULL
, 0);
477 xcomposite_handle
= NULL
;
478 usexcomposite
= FALSE
;
480 #endif /* defined(SONAME_LIBXCOMPOSITE) */
482 static void init_visuals( Display
*display
, int screen
)
487 argb_visual
.screen
= screen
;
488 argb_visual
.class = TrueColor
;
489 argb_visual
.depth
= 32;
490 argb_visual
.red_mask
= 0xff0000;
491 argb_visual
.green_mask
= 0x00ff00;
492 argb_visual
.blue_mask
= 0x0000ff;
494 if ((info
= XGetVisualInfo( display
, VisualScreenMask
| VisualDepthMask
| VisualClassMask
|
495 VisualRedMaskMask
| VisualGreenMaskMask
| VisualBlueMaskMask
,
496 &argb_visual
, &count
)))
502 default_visual
.screen
= screen
;
503 if (default_visual
.depth
) /* depth specified */
505 if (default_visual
.depth
== 32 && argb_visual
.visual
)
507 default_visual
= argb_visual
;
509 else if ((info
= XGetVisualInfo( display
, VisualScreenMask
| VisualDepthMask
, &default_visual
, &count
)))
511 default_visual
= *info
;
514 else WARN( "no visual found for depth %d\n", default_visual
.depth
);
517 if (!default_visual
.visual
)
519 default_visual
.depth
= DefaultDepth( display
, screen
);
520 default_visual
.visual
= DefaultVisual( display
, screen
);
521 default_visual
.visualid
= default_visual
.visual
->visualid
;
522 default_visual
.class = default_visual
.visual
->class;
523 default_visual
.red_mask
= default_visual
.visual
->red_mask
;
524 default_visual
.green_mask
= default_visual
.visual
->green_mask
;
525 default_visual
.blue_mask
= default_visual
.visual
->blue_mask
;
526 default_visual
.colormap_size
= default_visual
.visual
->map_entries
;
527 default_visual
.bits_per_rgb
= default_visual
.visual
->bits_per_rgb
;
529 default_colormap
= XCreateColormap( display
, root_window
, default_visual
.visual
, AllocNone
);
531 TRACE( "default visual %lx class %u argb %lx\n",
532 default_visual
.visualid
, default_visual
.class, argb_visual
.visualid
);
535 /***********************************************************************
536 * X11DRV process initialisation routine
538 static BOOL
process_attach(void)
542 void *libx11
= wine_dlopen( SONAME_LIBX11
, RTLD_NOW
|RTLD_GLOBAL
, error
, sizeof(error
) );
546 ERR( "failed to load %s: %s\n", SONAME_LIBX11
, error
);
549 pXGetEventData
= wine_dlsym( libx11
, "XGetEventData", NULL
, 0 );
550 pXFreeEventData
= wine_dlsym( libx11
, "XFreeEventData", NULL
, 0 );
551 #ifdef SONAME_LIBXEXT
552 wine_dlopen( SONAME_LIBXEXT
, RTLD_NOW
|RTLD_GLOBAL
, NULL
, 0 );
557 if ((thread_data_tls_index
= TlsAlloc()) == TLS_OUT_OF_INDEXES
) return FALSE
;
561 if (!XInitThreads()) ERR( "XInitThreads failed, trouble ahead\n" );
562 if (!(display
= XOpenDisplay( NULL
))) return FALSE
;
564 fcntl( ConnectionNumber(display
), F_SETFD
, 1 ); /* set close on exec flag */
565 root_window
= DefaultRootWindow( display
);
566 gdi_display
= display
;
567 old_error_handler
= XSetErrorHandler( error_handler
);
569 init_pixmap_formats( display
);
570 init_visuals( display
, DefaultScreen( display
));
571 screen_bpp
= pixmap_formats
[default_visual
.depth
]->bits_per_pixel
;
573 XInternAtoms( display
, (char **)atom_names
, NB_XATOMS
- FIRST_XATOM
, False
, X11DRV_Atoms
);
575 winContext
= XUniqueContext();
576 win_data_context
= XUniqueContext();
577 cursor_context
= XUniqueContext();
579 if (TRACE_ON(synchronous
)) XSynchronize( display
, True
);
581 xinerama_init( DisplayWidth( display
, default_visual
.screen
),
582 DisplayHeight( display
, default_visual
.screen
));
583 X11DRV_Settings_Init();
585 /* initialize XVidMode */
586 X11DRV_XF86VM_Init();
587 /* initialize XRandR */
588 X11DRV_XRandR_Init();
589 #ifdef SONAME_LIBXCOMPOSITE
590 X11DRV_XComposite_Init();
592 X11DRV_XInput2_Init();
595 if (use_xkb
) use_xkb
= XkbUseExtension( gdi_display
, NULL
, NULL
);
597 X11DRV_InitKeyboard( gdi_display
);
598 if (use_xim
) use_xim
= X11DRV_InitXIM( input_style
);
604 /***********************************************************************
605 * ThreadDetach (X11DRV.@)
607 void CDECL
X11DRV_ThreadDetach(void)
609 struct x11drv_thread_data
*data
= TlsGetValue( thread_data_tls_index
);
613 if (data
->xim
) XCloseIM( data
->xim
);
614 if (data
->font_set
) XFreeFontSet( data
->display
, data
->font_set
);
615 XCloseDisplay( data
->display
);
616 HeapFree( GetProcessHeap(), 0, data
);
617 /* clear data in case we get re-entered from user32 before the thread is truly dead */
618 TlsSetValue( thread_data_tls_index
, NULL
);
623 /* store the display fd into the message queue */
624 static void set_queue_display_fd( Display
*display
)
629 if (wine_server_fd_to_handle( ConnectionNumber(display
), GENERIC_READ
| SYNCHRONIZE
, 0, &handle
))
631 MESSAGE( "x11drv: Can't allocate handle for display fd\n" );
634 SERVER_START_REQ( set_queue_fd
)
636 req
->handle
= wine_server_obj_handle( handle
);
637 ret
= wine_server_call( req
);
642 MESSAGE( "x11drv: Can't store handle for display fd\n" );
645 CloseHandle( handle
);
649 /***********************************************************************
650 * X11DRV thread initialisation routine
652 struct x11drv_thread_data
*x11drv_init_thread_data(void)
654 struct x11drv_thread_data
*data
= x11drv_thread_data();
656 if (data
) return data
;
658 if (!(data
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*data
) )))
660 ERR( "could not create data\n" );
663 if (!(data
->display
= XOpenDisplay(NULL
)))
665 ERR_(winediag
)( "x11drv: Can't open display: %s. Please ensure that your X server is running and that $DISPLAY is set correctly.\n", XDisplayName(NULL
));
669 fcntl( ConnectionNumber(data
->display
), F_SETFD
, 1 ); /* set close on exec flag */
672 if (use_xkb
&& XkbUseExtension( data
->display
, NULL
, NULL
))
673 XkbSetDetectableAutoRepeat( data
->display
, True
, NULL
);
676 if (TRACE_ON(synchronous
)) XSynchronize( data
->display
, True
);
678 set_queue_display_fd( data
->display
);
679 TlsSetValue( thread_data_tls_index
, data
);
681 if (use_xim
) X11DRV_SetupXIM();
687 /***********************************************************************
688 * X11DRV initialisation routine
690 BOOL WINAPI
DllMain( HINSTANCE hinst
, DWORD reason
, LPVOID reserved
)
696 case DLL_PROCESS_ATTACH
:
697 DisableThreadLibraryCalls( hinst
);
698 x11drv_module
= hinst
;
699 ret
= process_attach();
706 /***********************************************************************
707 * SystemParametersInfo (X11DRV.@)
709 BOOL CDECL
X11DRV_SystemParametersInfo( UINT action
, UINT int_param
, void *ptr_param
, UINT flags
)
713 case SPI_GETSCREENSAVEACTIVE
:
717 XGetScreenSaver(gdi_display
, &timeout
, &temp
, &temp
, &temp
);
718 *(BOOL
*)ptr_param
= timeout
!= 0;
722 case SPI_SETSCREENSAVEACTIVE
:
724 int timeout
, interval
, prefer_blanking
, allow_exposures
;
725 static int last_timeout
= 15 * 60;
727 XLockDisplay( gdi_display
);
728 XGetScreenSaver(gdi_display
, &timeout
, &interval
, &prefer_blanking
,
730 if (timeout
) last_timeout
= timeout
;
732 timeout
= int_param
? last_timeout
: 0;
733 XSetScreenSaver(gdi_display
, timeout
, interval
, prefer_blanking
,
735 XUnlockDisplay( gdi_display
);
739 return FALSE
; /* let user32 handle it */