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e994d5036e
wine/dlls/x11drv/x11drv_main.c
Alexandre Julliard e994d5036e Added Interlocked*Pointer functions. 
Fixed InterlockedCompareExchange prototype.
2001-08-09 21:21:13 +00:00

520 lines
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/*
* X11DRV initialization code
*
* Copyright 1998 Patrik Stridvall
* Copyright 2000 Alexandre Julliard
*/
#include "config.h"
#ifdef NO_REENTRANT_X11
/* Get pointers to the static errno and h_errno variables used by Xlib. This
must be done before including <errno.h> makes the variables invisible. */
extern int errno;
static int *perrno = &errno;
extern int h_errno;
static int *ph_errno = &h_errno;
#endif /* NO_REENTRANT_X11 */
#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 "debugtools.h"
#include "gdi.h"
#include "file.h"
#include "options.h"
#include "user.h"
#include "win.h"
#include "wine_gl.h"
#include "x11drv.h"
#include "xvidmode.h"
#include "dga2.h"
DEFAULT_DEBUG_CHANNEL(x11drv);
static void (*old_tsx11_lock)(void);
static void (*old_tsx11_unlock)(void);
static CRITICAL_SECTION X11DRV_CritSection = CRITICAL_SECTION_INIT;
Screen *screen;
Visual *visual;
unsigned int screen_width;
unsigned int screen_height;
unsigned int screen_depth;
Window root_window;
int dxgrab, usedga;
unsigned int X11DRV_server_startticks;
static BOOL synchronous; /* run in synchronous mode? */
static char *desktop_geometry;
static XVisualInfo *desktop_vi;
#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')
#ifdef NO_REENTRANT_X11
static int* (*old_errno_location)(void);
static int* (*old_h_errno_location)(void);
/***********************************************************************
* x11_errno_location
*
* Get the per-thread errno location.
*/
static int *x11_errno_location(void)
{
/* Use static libc errno while running in Xlib. */
if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return perrno;
return old_errno_location();
}
/***********************************************************************
* x11_h_errno_location
*
* Get the per-thread h_errno location.
*/
static int *x11_h_errno_location(void)
{
/* Use static libc h_errno while running in Xlib. */
if (X11DRV_CritSection.OwningThread == GetCurrentThreadId()) return ph_errno;
return old_h_errno_location();
}
#endif /* NO_REENTRANT_X11 */
/***********************************************************************
* error_handler
*/
static int error_handler(Display *display, XErrorEvent *error_evt)
{
DebugBreak(); /* force an entry in the debugger */
return 0;
}
/***********************************************************************
* lock_tsx11
*/
static void lock_tsx11(void)
{
RtlEnterCriticalSection( &X11DRV_CritSection );
}
/***********************************************************************
* unlock_tsx11
*/
static void unlock_tsx11(void)
{
RtlLeaveCriticalSection( &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) );
}
/* check --managed option in wine config file if it was not set on command line */
if (!Options.managed)
{
if (!get_config_key( hkey, appkey, "Managed", buffer, sizeof(buffer) ))
Options.managed = IS_OPTION_TRUE( buffer[0] );
}
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, "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] );
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 */
#ifdef NO_REENTRANT_X11
old_errno_location = InterlockedExchangePointer( &wine_errno_location,
x11_errno_location );
old_h_errno_location = InterlockedExchangePointer( &wine_h_errno_location,
x11_h_errno_location );
#endif /* NO_REENTRANT_X11 */
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 );
/* 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)
{
XSetErrorHandler( error_handler );
XSynchronize( display, True );
}
screen_width = WidthOfScreen( screen );
screen_height = HeightOfScreen( screen );
if (desktop_geometry)
{
Options.managed = FALSE;
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;
#ifdef NO_REENTRANT_X11
wine_errno_location = old_errno_location;
wine_h_errno_location = old_h_errno_location;
#endif /* NO_REENTRANT_X11 */
RtlDeleteCriticalSection( &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 );
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)
{
if(bActivate)
TSXActivateScreenSaver(gdi_display);
else
TSXResetScreenSaver(gdi_display);
}
/***********************************************************************
* GetScreenSaveTimeout (X11DRV.@)
*
* Return the screen saver timeout
*/
int X11DRV_GetScreenSaveTimeout(void)
{
int timeout, temp;
TSXGetScreenSaver(gdi_display, &timeout, &temp, &temp, &temp);
return timeout;
}
/***********************************************************************
* SetScreenSaveTimeout (X11DRV.@)
*
* Set the screen saver timeout
*/
void X11DRV_SetScreenSaveTimeout(int nTimeout)
{
/* timeout is a 16bit entity (CARD16) in the protocol, so it should
* not get over 32767 or it will get negative. */
if (nTimeout>32767) nTimeout = 32767;
TSXSetScreenSaver(gdi_display, nTimeout, 60, DefaultBlanking, DefaultExposures);
}
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