mirror of
https://github.com/reactos/wine.git
synced 2024-11-26 13:10:28 +00:00
517 lines
14 KiB
C
517 lines
14 KiB
C
/*
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* X11DRV initialization code
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*
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* Copyright 1998 Patrik Stridvall
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* Copyright 2000 Alexandre Julliard
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*/
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#include "config.h"
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#ifdef NO_REENTRANT_X11
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/* Get pointers to the static errno and h_errno variables used by Xlib. This
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must be done before including <errno.h> makes the variables invisible. */
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extern int errno;
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static int *perrno = &errno;
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extern int h_errno;
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static int *ph_errno = &h_errno;
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#endif /* NO_REENTRANT_X11 */
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <X11/cursorfont.h>
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#include "ts_xlib.h"
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#include "ts_xutil.h"
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#include "ts_shape.h"
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#include "winbase.h"
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#include "wine/winbase16.h"
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#include "winreg.h"
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#include "debugtools.h"
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#include "gdi.h"
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#include "file.h"
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#include "options.h"
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#include "user.h"
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#include "win.h"
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#include "wine_gl.h"
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#include "x11drv.h"
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#include "xvidmode.h"
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#include "dga2.h"
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DEFAULT_DEBUG_CHANNEL(x11drv);
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static void (*old_tsx11_lock)(void);
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static void (*old_tsx11_unlock)(void);
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static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT;
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Screen *screen;
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Visual *visual;
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unsigned int screen_width;
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unsigned int screen_height;
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unsigned int screen_depth;
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Window root_window;
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int dxgrab, usedga;
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unsigned int X11DRV_server_startticks;
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static BOOL synchronous; /* run in synchronous mode? */
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static char *desktop_geometry;
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static XVisualInfo *desktop_vi;
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#ifdef NO_REENTRANT_X11
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static int* (*old_errno_location)(void);
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static int* (*old_h_errno_location)(void);
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/***********************************************************************
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* x11_errno_location
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*
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* Get the per-thread errno location.
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*/
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static int *x11_errno_location(void)
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{
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/* Use static libc errno while running in Xlib. */
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if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
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return old_errno_location();
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}
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/***********************************************************************
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* x11_h_errno_location
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*
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* Get the per-thread h_errno location.
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*/
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static int *x11_h_errno_location(void)
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{
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/* Use static libc h_errno while running in Xlib. */
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if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
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return old_h_errno_location();
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}
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#endif /* NO_REENTRANT_X11 */
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/***********************************************************************
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* error_handler
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*/
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static int error_handler(Display *display, XErrorEvent *error_evt)
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{
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DebugBreak(); /* force an entry in the debugger */
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return 0;
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}
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/***********************************************************************
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* lock_tsx11
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*/
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static void lock_tsx11(void)
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{
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RtlEnterCriticalSection( &X11DRV_CritSection );
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}
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/***********************************************************************
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* unlock_tsx11
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*/
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static void unlock_tsx11(void)
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{
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RtlLeaveCriticalSection( &X11DRV_CritSection );
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}
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/***********************************************************************
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* get_server_startup
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*
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* Get the server startup time
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* Won't be exact, but should be sufficient
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*/
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static void get_server_startup(void)
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{
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struct timeval t;
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gettimeofday( &t, NULL );
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X11DRV_server_startticks = ((t.tv_sec * 1000) + (t.tv_usec / 1000)) - GetTickCount();
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}
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/***********************************************************************
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* get_config_key
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*
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* Get a config key from either the app-specific or the default config
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*/
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inline static DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
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char *buffer, DWORD size )
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{
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if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, buffer, &size )) return 0;
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return RegQueryValueExA( defkey, name, 0, NULL, buffer, &size );
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}
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/***********************************************************************
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* setup_options
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*
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* Setup the x11drv options.
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*/
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static void setup_options(void)
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{
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char buffer[MAX_PATH+16];
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HKEY hkey, appkey = 0;
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DWORD count;
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if (RegCreateKeyExA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\x11drv", 0, NULL,
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REG_OPTION_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL ))
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{
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ERR("Cannot create config registry key\n" );
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ExitProcess(1);
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}
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/* open the app-specific key */
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if (GetModuleFileName16( GetCurrentTask(), buffer, MAX_PATH ) ||
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GetModuleFileNameA( 0, buffer, MAX_PATH ))
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{
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HKEY tmpkey;
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char *p, *appname = buffer;
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if ((p = strrchr( appname, '/' ))) appname = p + 1;
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if ((p = strrchr( appname, '\\' ))) appname = p + 1;
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strcat( appname, "\\x11drv" );
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if (!RegOpenKeyA( HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config\\AppDefaults", &tmpkey ))
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{
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if (RegOpenKeyA( tmpkey, appname, &appkey )) appkey = 0;
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RegCloseKey( tmpkey );
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}
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}
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/* get the display name */
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strcpy( buffer, "DISPLAY=" );
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count = sizeof(buffer) - 8;
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if (!RegQueryValueExA( hkey, "display", 0, NULL, buffer + 8, &count ))
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{
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const char *display_name = getenv( "DISPLAY" );
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if (display_name && strcmp( buffer, display_name ))
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MESSAGE( "x11drv: Warning: $DISPLAY variable ignored, using '%s' specified in config file\n",
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buffer + 8 );
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putenv( strdup(buffer) );
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}
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/* check --managed option in wine config file if it was not set on command line */
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if (!Options.managed)
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{
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if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
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Options.managed = IS_OPTION_TRUE( buffer[0] );
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}
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if (!get_config_key( hkey, appkey, "Desktop", buffer, sizeof(buffer) ))
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{
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/* Imperfect validation: If Desktop=N, then we don't turn on
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** the --desktop option. We should really validate for a correct
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** sizing entry */
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if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
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}
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if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
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dxgrab = IS_OPTION_TRUE( buffer[0] );
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if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
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usedga = IS_OPTION_TRUE( buffer[0] );
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screen_depth = 0;
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if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
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screen_depth = atoi(buffer);
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if (!get_config_key( hkey, appkey, "Synchronous", buffer, sizeof(buffer) ))
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synchronous = IS_OPTION_TRUE( buffer[0] );
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if (appkey) RegCloseKey( appkey );
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RegCloseKey( hkey );
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}
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/***********************************************************************
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* setup_opengl_visual
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*
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* Setup the default visual used for OpenGL and Direct3D, and the desktop
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* window (if it exists). If OpenGL isn't available, the visual is simply
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* set to the default visual for the display
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*/
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#ifdef HAVE_OPENGL
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static void setup_opengl_visual( Display *display )
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{
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int err_base, evt_base;
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/* In order to support OpenGL or D3D, we require a double-buffered
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* visual */
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if (glXQueryExtension(display, &err_base, &evt_base) == True) {
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int dblBuf[]={GLX_RGBA,GLX_DEPTH_SIZE,16,GLX_DOUBLEBUFFER,None};
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ENTER_GL();
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desktop_vi = glXChooseVisual(display, DefaultScreen(display), dblBuf);
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LEAVE_GL();
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}
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if (desktop_vi != NULL) {
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visual = desktop_vi->visual;
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screen = ScreenOfDisplay(display, desktop_vi->screen);
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screen_depth = desktop_vi->depth;
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}
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}
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#endif /* HAVE_OPENGL */
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/***********************************************************************
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* X11DRV process initialisation routine
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*/
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static void process_attach(void)
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{
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Display *display;
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WND_Driver = &X11DRV_WND_Driver;
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get_server_startup();
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setup_options();
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/* setup TSX11 locking */
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#ifdef NO_REENTRANT_X11
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old_errno_location = (void *)InterlockedExchange( (PLONG)&wine_errno_location,
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(LONG)x11_errno_location );
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old_h_errno_location = (void *)InterlockedExchange( (PLONG)&wine_h_errno_location,
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(LONG)x11_h_errno_location );
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#endif /* NO_REENTRANT_X11 */
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old_tsx11_lock = wine_tsx11_lock;
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old_tsx11_unlock = wine_tsx11_unlock;
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wine_tsx11_lock = lock_tsx11;
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wine_tsx11_unlock = unlock_tsx11;
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/* Open display */
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if (!(display = TSXOpenDisplay( NULL )))
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{
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MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
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ExitProcess(1);
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}
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fcntl( ConnectionNumber(display), F_SETFD, 1 ); /* set close on exec flag */
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screen = DefaultScreenOfDisplay( display );
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visual = DefaultVisual( display, DefaultScreen(display) );
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root_window = DefaultRootWindow( display );
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/* Initialize screen depth */
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if (screen_depth) /* depth specified */
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{
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int depth_count, i;
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int *depth_list = TSXListDepths(display, DefaultScreen(display), &depth_count);
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for (i = 0; i < depth_count; i++)
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if (depth_list[i] == screen_depth) break;
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TSXFree( depth_list );
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if (i >= depth_count)
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{
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MESSAGE( "x11drv: Depth %d not supported on this screen.\n", screen_depth );
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ExitProcess(1);
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}
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}
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else screen_depth = DefaultDepthOfScreen( screen );
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/* If OpenGL is available, change the default visual, etc as necessary */
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#ifdef HAVE_OPENGL
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setup_opengl_visual( display );
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#endif /* HAVE_OPENGL */
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/* tell the libX11 that we will do input method handling ourselves
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* that keep libX11 from doing anything whith dead keys, allowing Wine
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* to have total control over dead keys, that is this line allows
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* them to work in Wine, even whith a libX11 including the dead key
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* patches from Th.Quinot (http://Web.FdN.FR/~tquinot/dead-keys.en.html)
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*/
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TSXOpenIM( display, NULL, NULL, NULL);
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if (synchronous)
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{
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XSetErrorHandler( error_handler );
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XSynchronize( display, True );
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}
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screen_width = WidthOfScreen( screen );
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screen_height = HeightOfScreen( screen );
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if (desktop_geometry)
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{
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Options.managed = FALSE;
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root_window = X11DRV_create_desktop( desktop_vi, desktop_geometry );
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}
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/* initialize GDI */
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if(!X11DRV_GDI_Initialize( display ))
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{
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ERR( "Couldn't Initialize GDI.\n" );
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ExitProcess(1);
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}
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#ifdef HAVE_LIBXXF86VM
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/* initialize XVidMode */
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X11DRV_XF86VM_Init();
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#endif
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#ifdef HAVE_LIBXXF86DGA2
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/* initialize DGA2 */
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X11DRV_XF86DGA2_Init();
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#endif
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#ifdef HAVE_OPENGL
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/* initialize GLX */
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/*X11DRV_GLX_Init();*/
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#endif
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/* load display.dll */
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LoadLibrary16( "display" );
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}
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/***********************************************************************
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* X11DRV thread termination routine
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*/
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static void thread_detach(void)
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{
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struct x11drv_thread_data *data = NtCurrentTeb()->driver_data;
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if (data)
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{
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CloseHandle( data->display_fd );
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wine_tsx11_lock();
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XCloseDisplay( data->display );
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wine_tsx11_unlock();
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HeapFree( GetProcessHeap(), 0, data );
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}
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}
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/***********************************************************************
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* X11DRV process termination routine
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*/
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static void process_detach(void)
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{
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#ifdef HAVE_OPENGL
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/* cleanup GLX */
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/*X11DRV_GLX_Cleanup();*/
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#endif
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#ifdef HAVE_LIBXXF86DGA2
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/* cleanup DGA2 */
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X11DRV_XF86DGA2_Cleanup();
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#endif
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#ifdef HAVE_LIBXXF86VM
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/* cleanup XVidMode */
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X11DRV_XF86VM_Cleanup();
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#endif
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/* FIXME: should detach all threads */
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thread_detach();
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/* cleanup GDI */
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X11DRV_GDI_Finalize();
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/* restore TSX11 locking */
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wine_tsx11_lock = old_tsx11_lock;
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wine_tsx11_unlock = old_tsx11_unlock;
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#ifdef NO_REENTRANT_X11
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wine_errno_location = old_errno_location;
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wine_h_errno_location = old_h_errno_location;
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#endif /* NO_REENTRANT_X11 */
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RtlDeleteCriticalSection( &X11DRV_CritSection );
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}
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/***********************************************************************
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* X11DRV thread initialisation routine
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*/
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struct x11drv_thread_data *x11drv_init_thread_data(void)
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{
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struct x11drv_thread_data *data;
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if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) )))
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{
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ERR( "could not create data\n" );
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ExitProcess(1);
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}
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wine_tsx11_lock();
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if (!(data->display = XOpenDisplay(NULL)))
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{
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wine_tsx11_unlock();
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MESSAGE( "x11drv: Can't open display: %s\n", XDisplayName(NULL) );
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ExitProcess(1);
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}
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fcntl( ConnectionNumber(data->display), F_SETFD, 1 ); /* set close on exec flag */
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if (synchronous) XSynchronize( data->display, True );
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wine_tsx11_unlock();
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data->display_fd = FILE_DupUnixHandle( ConnectionNumber(data->display),
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GENERIC_READ | SYNCHRONIZE );
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data->process_event_count = 0;
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NtCurrentTeb()->driver_data = data;
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return data;
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}
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/***********************************************************************
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* X11DRV initialisation routine
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*/
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BOOL WINAPI X11DRV_Init( HINSTANCE hinst, DWORD reason, LPVOID reserved )
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{
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switch(reason)
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{
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case DLL_PROCESS_ATTACH:
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process_attach();
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break;
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case DLL_THREAD_DETACH:
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thread_detach();
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break;
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case DLL_PROCESS_DETACH:
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process_detach();
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_GetScreenSaveActive (X11DRV.@)
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*
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* Returns the active status of the screen saver
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*/
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BOOL X11DRV_GetScreenSaveActive(void)
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{
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int timeout, temp;
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TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
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return timeout != 0;
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}
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/***********************************************************************
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* X11DRV_SetScreenSaveActive (X11DRV.@)
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*
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* Activate/Deactivate the screen saver
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*/
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void X11DRV_SetScreenSaveActive(BOOL bActivate)
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{
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if(bActivate)
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TSXActivateScreenSaver(gdi_display);
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else
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TSXResetScreenSaver(gdi_display);
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}
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/***********************************************************************
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* X11DRV_GetScreenSaveTimeout (X11DRV.@)
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*
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* Return the screen saver timeout
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*/
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int X11DRV_GetScreenSaveTimeout(void)
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{
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int timeout, temp;
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TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
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return timeout;
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}
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/***********************************************************************
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* X11DRV_SetScreenSaveTimeout (X11DRV.@)
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*
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* Set the screen saver timeout
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*/
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void X11DRV_SetScreenSaveTimeout(int nTimeout)
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{
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/* timeout is a 16bit entity (CARD16) in the protocol, so it should
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* not get over 32767 or it will get negative. */
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if (nTimeout>32767) nTimeout = 32767;
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TSXSetScreenSaver(gdi_display, nTimeout, 60, DefaultBlanking, DefaultExposures);
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}
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