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Sweden-Number/dlls/x11drv/x11drv_main.c

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/*
* X11DRV initialization code
*
* Copyright 1998 Patrik Stridvall
* Copyright 2000 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <X11/cursorfont.h>
#include "ts_xlib.h"
#include "ts_xutil.h"
#include "ts_shape.h"
#include "winbase.h"
#include "wine/winbase16.h"
#include "winreg.h"
#include "wine/debug.h"
#include "gdi.h"
#include "file.h"
#include "user.h"
#include "win.h"
#include "wine_gl.h"
#include "x11drv.h"
#include "xvidmode.h"
#include "dga2.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
static void (*old_tsx11_lock)(void);
static void (*old_tsx11_unlock)(void);
static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT("X11DRV_CritSection");
Screen *screen;
Visual *visual;
unsigned int screen_width;
unsigned int screen_height;
unsigned int screen_depth;
Window root_window;
int dxgrab, usedga, usexvidmode;
int managed_mode = 1;
unsigned int X11DRV_server_startticks;
static BOOL synchronous; /* run in synchronous mode? */
static char *desktop_geometry;
static XVisualInfo *desktop_vi;
static x11drv_error_callback err_callback; /* current callback for error */
static Display *err_callback_display; /* display callback is set for */
static void *err_callback_arg; /* error callback argument */
static int err_callback_result; /* error callback result */
static int (*old_error_handler)( Display *, XErrorEvent * );
#define IS_OPTION_TRUE(ch) \
((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
#define IS_OPTION_FALSE(ch) \
((ch) == 'n' || (ch) == 'N' || (ch) == 'f' || (ch) == 'F' || (ch) == '0')
/***********************************************************************
* X11DRV_expect_error
*
* Setup a callback function that will be called on an X error. The
* callback must return non-zero if the error is the one it expected.
* This function acquires the x11 lock; X11DRV_check_error must be
* called in all cases to release it.
*/
void X11DRV_expect_error( Display *display, x11drv_error_callback callback, void *arg )
{
wine_tsx11_lock();
XSync( display, False );
err_callback = callback;
err_callback_display = display;
err_callback_arg = arg;
err_callback_result = 0;
}
/***********************************************************************
* X11DRV_check_error
*
* Check if an expected X11 error occurred; return non-zero if yes.
* Also release the x11 lock obtained in X11DRV_expect_error.
*/
int X11DRV_check_error(void)
{
int ret;
XSync( err_callback_display, False );
err_callback = NULL;
ret = err_callback_result;
wine_tsx11_unlock();
return ret;
}
/***********************************************************************
* error_handler
*/
static int error_handler( Display *display, XErrorEvent *error_evt )
{
if (err_callback && display == err_callback_display)
{
if ((err_callback_result = err_callback( display, error_evt, err_callback_arg )))
{
TRACE( "got expected error\n" );
return 0;
}
}
if (synchronous) DebugBreak(); /* force an entry in the debugger */
old_error_handler( display, error_evt );
return 0;
}
/***********************************************************************
* lock_tsx11
*/
static void lock_tsx11(void)
{
EnterCriticalSection( &X11DRV_CritSection );
}
/***********************************************************************
* unlock_tsx11
*/
static void unlock_tsx11(void)
{
LeaveCriticalSection( &X11DRV_CritSection );
}
/***********************************************************************
* get_server_startup
*
* Get the server startup time
* Won't be exact, but should be sufficient
*/
static void get_server_startup(void)
{
struct timeval t;
gettimeofday( &t, NULL );
X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
}
/***********************************************************************
* get_config_key
*
* Get a config key from either the app-specific or the default config
*/
inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
char *buffer, DWORD size )
{
if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
}
/***********************************************************************
* setup_options
*
* Setup the x11drv options.
*/
static void setup_options(void)
{
char buffer[MAX_PATH+16];
HKEY hkey, appkey = 0;
DWORD count;
if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
{
ERR("Cannot create config registry key\n" );
ExitProcess(1);
}
/* open the app-specific key */
if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
GetModuleFileNameA( 0, buffer, MAX_PATH ))
{
HKEY tmpkey;
char *p, *appname = buffer;
if ((p = strrchr( appname, '/' ))) appname = p + 1;
if ((p = strrchr( appname, '\\' ))) appname = p + 1;
strcat( appname, "\\x11drv" );
if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
{
if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
RegCloseKey( tmpkey );
}
}
/* get the display name */
strcpy( buffer, "DISPLAY=" );
count = sizeof(buffer) - 8;
if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
{
const char *display_name = getenv( "DISPLAY" );
if (display_name && strcmp( buffer, display_name ))
MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
buffer + 8 );
putenv( strdup(buffer) );
}
if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
{
/* Imperfect validation: If Desktop=N, then we don't turn on
** the --desktop option. We should really validate for a correct
** sizing entry */
if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
}
if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
managed_mode = IS_OPTION_TRUE( buffer[0] );
if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
dxgrab = IS_OPTION_TRUE( buffer[0] );
if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
usedga = IS_OPTION_TRUE( buffer[0] );
if (!get_config_key( hkey, appkey, "UseXVidMode", buffer, sizeof(buffer) ))
usexvidmode = IS_OPTION_TRUE( buffer[0] );
screen_depth = 0;
if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
screen_depth = atoi(buffer);
if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
synchronous = IS_OPTION_TRUE( buffer[0] );
if (appkey) RegCloseKey( appkey );
RegCloseKey( hkey );
}
/***********************************************************************
* setup_opengl_visual
*
* Setup the default visual used for OpenGL and Direct3D, and the desktop
* window (if it exists). If OpenGL isn't available, the visual is simply
* set to the default visual for the display
*/
#ifdef HAVE_OPENGL
static void setup_opengl_visual( Display *display )
{
int err_base, evt_base;
/* In order to support OpenGL or D3D, we require a double-buffered
* visual */
if (glXQueryExtension(display, &err_base, &evt_base) == True) {
int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
ENTER_GL();
desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
LEAVE_GL();
}
if (desktop_vi != NULL) {
visual = desktop_vi->visual;
screen = ScreenOfDisplay(display, desktop_vi->screen);
screen_depth = desktop_vi->depth;
}
}
#endif /* HAVE_OPENGL */
/***********************************************************************
* X11DRV process initialisation routine
*/
static void process_attach(void)
{
Display *display;
get_server_startup();
setup_options();
/* setup TSX11 locking */
old_tsx11_lock = wine_tsx11_lock;
old_tsx11_unlock = wine_tsx11_unlock;
wine_tsx11_lock = lock_tsx11;
wine_tsx11_unlock = unlock_tsx11;
/* Open display */
if (!(display = TSXOpenDisplay( NULL )))
{
MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
ExitProcess(1);
}
fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
screen = DefaultScreenOfDisplay( display );
visual = DefaultVisual( display, DefaultScreen(display) );
root_window = DefaultRootWindow( display );
old_error_handler = XSetErrorHandler( error_handler );
/* Initialize screen depth */
if (screen_depth) /* depth specified */
{
int depth_count, i;
int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
for (i = 0; i < depth_count; i++)
if (depth_list[i] == screen_depth) break;
TSXFree( depth_list );
if (i >= depth_count)
{
MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
ExitProcess(1);
}
}
else screen_depth = DefaultDepthOfScreen( screen );
/* If OpenGL is available, change the default visual, etc as necessary */
#ifdef HAVE_OPENGL
setup_opengl_visual( display );
#endif /* HAVE_OPENGL */
/* tell the libX11 that we will do input method handling ourselves
* that keep libX11 from doing anything whith dead keys, allowing Wine
* to have total control over dead keys, that is this line allows
* them to work in Wine, even whith a libX11 including the dead key
* patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
*/
TSXOpenIM( display, NULL, NULL, NULL);
if (synchronous) XSynchronize( display, True );
screen_width = WidthOfScreen( screen );
screen_height = HeightOfScreen( screen );
if (desktop_geometry)
root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
/* initialize GDI */
if(!X11DRV_GDI_Initialize( display ))
{
ERR( "Couldn't Initialize GDI.\n" );
ExitProcess(1);
}
#ifdef HAVE_LIBXXF86VM
/* initialize XVidMode */
X11DRV_XF86VM_Init();
#endif
#ifdef HAVE_LIBXXF86DGA2
/* initialize DGA2 */
X11DRV_XF86DGA2_Init();
#endif
#ifdef HAVE_OPENGL
/* initialize GLX */
/*X11DRV_GLX_Init();*/
#endif
/* load display.dll */
LoadLibrary16( "display" );
}
/***********************************************************************
* X11DRV thread termination routine
*/
static void thread_detach(void)
{
struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
if (data)
{
CloseHandle( data->display_fd );
wine_tsx11_lock();
XCloseDisplay( data->display );
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, data );
}
}
/***********************************************************************
* X11DRV process termination routine
*/
static void process_detach(void)
{
#ifdef HAVE_OPENGL
/* cleanup GLX */
/*X11DRV_GLX_Cleanup();*/
#endif
#ifdef HAVE_LIBXXF86DGA2
/* cleanup DGA2 */
X11DRV_XF86DGA2_Cleanup();
#endif
#ifdef HAVE_LIBXXF86VM
/* cleanup XVidMode */
X11DRV_XF86VM_Cleanup();
#endif
/* FIXME: should detach all threads */
thread_detach();
/* cleanup GDI */
X11DRV_GDI_Finalize();
/* restore TSX11 locking */
wine_tsx11_lock = old_tsx11_lock;
wine_tsx11_unlock = old_tsx11_unlock;
DeleteCriticalSection( &X11DRV_CritSection );
}
/***********************************************************************
* X11DRV thread initialisation routine
*/
struct x11drv_thread_data *x11drv_init_thread_data(void)
{
struct x11drv_thread_data *data;
if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
{
ERR( "could not create data\n" );
ExitProcess(1);
}
wine_tsx11_lock();
if (!(data->display = XOpenDisplay(NULL)))
{
wine_tsx11_unlock();
MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
ExitProcess(1);
}
fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
if (synchronous) XSynchronize( data->display, True );
wine_tsx11_unlock();
data->display_fd = FILE_DupUnixHandle( ConnectionNumber(data->display),
GENERIC_READ | SYNCHRONIZE, FALSE );
data->process_event_count = 0;
NtCurrentTeb()->driver_data = data;
return data;
}
/***********************************************************************
* X11DRV initialisation routine
*/
BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
{
switch(reason)
{
case DLL_PROCESS_ATTACH:
process_attach();
break;
case DLL_THREAD_DETACH:
thread_detach();
break;
case DLL_PROCESS_DETACH:
process_detach();
break;
}
return TRUE;
}
/***********************************************************************
* GetScreenSaveActive (X11DRV.@)
*
* Returns the active status of the screen saver
*/
BOOL X11DRV_GetScreenSaveActive(void)
{
int timeout, temp;
TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
return timeout != 0;
}
/***********************************************************************
* SetScreenSaveActive (X11DRV.@)
*
* Activate/Deactivate the screen saver
*/
void X11DRV_SetScreenSaveActive(BOOL bActivate)
{
int timeout, interval, prefer_blanking, allow_exposures;
static int last_timeout = 15 * 60;
TSXGetScreenSaver(gdi_display, &timeout, &interval, &prefer_blanking,
&allow_exposures);
if (timeout) last_timeout = timeout;
timeout = bActivate ? last_timeout : 0;
TSXSetScreenSaver(gdi_display, timeout, interval, prefer_blanking,
allow_exposures);
}
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