dlls/winex11.drv/init.c

   1 /*
   2  * X11 graphics driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <string.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "x11drv.h"
  30 #include "x11font.h"
  31 #include "ddrawi.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  35
  36 Display *gdi_display;  /* display to use for all GDI functions */
  37
  38 /* a few dynamic device caps */
  39 static int log_pixels_x;  /* pixels per logical inch in x direction */
  40 static int log_pixels_y;  /* pixels per logical inch in y direction */
  41 static int horz_size;     /* horz. size of screen in millimeters */
  42 static int vert_size;     /* vert. size of screen in millimeters */
  43 static int palette_size;
  44 static int device_init_done;
  45 unsigned int text_caps = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
  46                           TC_CR_ANY | TC_SA_DOUBLE | TC_SA_INTEGER |
  47                           TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE);
  48                           /* X11R6 adds TC_SF_X_YINDEP, Xrender adds TC_VA_ABLE */
  49
  50
  51 static const WCHAR dpi_key_name[] = {'S','o','f','t','w','a','r','e','\\','F','o','n','t','s','\0'};
  52 static const WCHAR dpi_value_name[] = {'L','o','g','P','i','x','e','l','s','\0'};
  53
  54
  55 /******************************************************************************
  56  *      get_dpi
  57  *
  58  * get the dpi from the registry
  59  */
  60 static DWORD get_dpi( void )
  61 {
  62     DWORD dpi = 96;
  63     HKEY hkey;
  64
  65     if (RegOpenKeyW(HKEY_CURRENT_CONFIG, dpi_key_name, &hkey) == ERROR_SUCCESS)
  66     {
  67         DWORD type, size, new_dpi;
  68
  69         size = sizeof(new_dpi);
  70         if(RegQueryValueExW(hkey, dpi_value_name, NULL, &type, (void *)&new_dpi, &size) == ERROR_SUCCESS)
  71         {
  72             if(type == REG_DWORD && new_dpi != 0)
  73                 dpi = new_dpi;
  74         }
  75         RegCloseKey(hkey);
  76     }
  77     return dpi;
  78 }
  79
  80 /**********************************************************************
  81  *           device_init
  82  *
  83  * Perform initializations needed upon creation of the first device.
  84  */
  85 static void device_init(void)
  86 {
  87     device_init_done = TRUE;
  88
  89     /* Initialize XRender */
  90     X11DRV_XRender_Init();
  91
  92     palette_size = X11DRV_PALETTE_Init();
  93
  94     X11DRV_BITMAP_Init();
  95
  96     /* Initialize device caps */
  97     log_pixels_x = log_pixels_y = get_dpi();
  98     horz_size = MulDiv( screen_width, 254, log_pixels_x * 10 );
  99     vert_size = MulDiv( screen_height, 254, log_pixels_y * 10 );
 100
 101     /* Initialize fonts and text caps */
 102     X11DRV_FONT_Init(log_pixels_x, log_pixels_y);
 103 }
 104
 105 /**********************************************************************
 106  *           X11DRV_GDI_Finalize
 107  */
 108 void X11DRV_GDI_Finalize(void)
 109 {
 110     X11DRV_PALETTE_Cleanup();
 111     /* don't bother to close the display, it often triggers X bugs */
 112     /* XCloseDisplay( gdi_display ); */
 113 }
 114
 115 /**********************************************************************
 116  *           X11DRV_CreateDC
 117  */
 118 BOOL X11DRV_CreateDC( HDC hdc, X11DRV_PDEVICE **pdev, LPCWSTR driver, LPCWSTR device,
 119                       LPCWSTR output, const DEVMODEW* initData )
 120 {
 121     X11DRV_PDEVICE *physDev;
 122
 123     if (!device_init_done) device_init();
 124
 125     physDev = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev) );
 126     if (!physDev) return FALSE;
 127
 128     *pdev = physDev;
 129     physDev->hdc = hdc;
 130
 131     if (GetObjectType( hdc ) == OBJ_MEMDC)
 132     {
 133         if (!BITMAP_stock_phys_bitmap.hbitmap)
 134             BITMAP_stock_phys_bitmap.hbitmap = GetCurrentObject( hdc, OBJ_BITMAP );
 135         physDev->bitmap    = &BITMAP_stock_phys_bitmap;
 136         physDev->drawable  = BITMAP_stock_phys_bitmap.pixmap;
 137         physDev->depth     = 1;
 138         SetRect( &physDev->drawable_rect, 0, 0, 1, 1 );
 139         physDev->dc_rect = physDev->drawable_rect;
 140     }
 141     else
 142     {
 143         physDev->bitmap    = NULL;
 144         physDev->drawable  = root_window;
 145         physDev->depth     = screen_depth;
 146         physDev->drawable_rect = virtual_screen_rect;
 147         SetRect( &physDev->dc_rect, 0, 0, virtual_screen_rect.right - virtual_screen_rect.left,
 148                  virtual_screen_rect.bottom - virtual_screen_rect.top );
 149     }
 150     physDev->region = CreateRectRgn( 0, 0, 0, 0 );
 151
 152     wine_tsx11_lock();
 153     physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 154     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 155     XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 156     XFlush( gdi_display );
 157     wine_tsx11_unlock();
 158     return TRUE;
 159 }
 160
 161
 162 /**********************************************************************
 163  *           X11DRV_DeleteDC
 164  */
 165 BOOL X11DRV_DeleteDC( X11DRV_PDEVICE *physDev )
 166 {
 167     if(physDev->xrender)
 168       X11DRV_XRender_DeleteDC( physDev );
 169     DeleteObject( physDev->region );
 170     wine_tsx11_lock();
 171     XFreeGC( gdi_display, physDev->gc );
 172     wine_tsx11_unlock();
 173     HeapFree( GetProcessHeap(), 0, physDev );
 174     return TRUE;
 175 }
 176
 177
 178 /***********************************************************************
 179  *           GetDeviceCaps    (X11DRV.@)
 180  */
 181 INT X11DRV_GetDeviceCaps( X11DRV_PDEVICE *physDev, INT cap )
 182 {
 183     switch(cap)
 184     {
 185     case DRIVERVERSION:
 186         return 0x300;
 187     case TECHNOLOGY:
 188         return DT_RASDISPLAY;
 189     case HORZSIZE:
 190         return horz_size;
 191     case VERTSIZE:
 192         return vert_size;
 193     case HORZRES:
 194         return screen_width;
 195     case VERTRES:
 196         return screen_height;
 197     case DESKTOPHORZRES:
 198         return virtual_screen_rect.right - virtual_screen_rect.left;
 199     case DESKTOPVERTRES:
 200         return virtual_screen_rect.bottom - virtual_screen_rect.top;
 201     case BITSPIXEL:
 202         return screen_depth;
 203     case PLANES:
 204         return 1;
 205     case NUMBRUSHES:
 206         return -1;
 207     case NUMPENS:
 208         return -1;
 209     case NUMMARKERS:
 210         return 0;
 211     case NUMFONTS:
 212         return 0;
 213     case NUMCOLORS:
 214         /* MSDN: Number of entries in the device's color table, if the device has
 215          * a color depth of no more than 8 bits per pixel.For devices with greater
 216          * color depths, -1 is returned. */
 217         return (screen_depth > 8) ? -1 : (1 << screen_depth);
 218     case PDEVICESIZE:
 219         return sizeof(X11DRV_PDEVICE);
 220     case CURVECAPS:
 221         return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 222                 CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 223     case LINECAPS:
 224         return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 225                 LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 226     case POLYGONALCAPS:
 227         return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 228                 PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 229     case TEXTCAPS:
 230         return text_caps;
 231     case CLIPCAPS:
 232         return CP_REGION;
 233     case RASTERCAPS:
 234         return (RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP |
 235                 RC_DIBTODEV | RC_BIGFONT | RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS |
 236                 (palette_size ? RC_PALETTE : 0));
 237     case SHADEBLENDCAPS:
 238         return (SB_GRAD_RECT | SB_GRAD_TRI | SB_CONST_ALPHA | SB_PIXEL_ALPHA);
 239     case ASPECTX:
 240     case ASPECTY:
 241         return 36;
 242     case ASPECTXY:
 243         return 51;
 244     case LOGPIXELSX:
 245         return log_pixels_x;
 246     case LOGPIXELSY:
 247         return log_pixels_y;
 248     case CAPS1:
 249         FIXME("(%p): CAPS1 is unimplemented, will return 0\n", physDev->hdc );
 250         /* please see wingdi.h for the possible bit-flag values that need
 251            to be returned. also, see
 252            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm */
 253         return 0;
 254     case SIZEPALETTE:
 255         return palette_size;
 256     case NUMRESERVED:
 257     case COLORRES:
 258     case PHYSICALWIDTH:
 259     case PHYSICALHEIGHT:
 260     case PHYSICALOFFSETX:
 261     case PHYSICALOFFSETY:
 262     case SCALINGFACTORX:
 263     case SCALINGFACTORY:
 264     case VREFRESH:
 265     case BLTALIGNMENT:
 266         return 0;
 267     default:
 268         FIXME("(%p): unsupported capability %d, will return 0\n", physDev->hdc, cap );
 269         return 0;
 270     }
 271 }
 272
 273
 274 /**********************************************************************
 275  *           ExtEscape  (X11DRV.@)
 276  */
 277 INT X11DRV_ExtEscape( X11DRV_PDEVICE *physDev, INT escape, INT in_count, LPCVOID in_data,
 278                       INT out_count, LPVOID out_data )
 279 {
 280     switch(escape)
 281     {
 282     case QUERYESCSUPPORT:
 283         if (in_data)
 284         {
 285             switch (*(const INT *)in_data)
 286             {
 287             case DCICOMMAND:
 288                 return DD_HAL_VERSION;
 289             case X11DRV_ESCAPE:
 290                 return TRUE;
 291             }
 292         }
 293         break;
 294
 295     case DCICOMMAND:
 296         if (in_data)
 297         {
 298             const DCICMD *lpCmd = in_data;
 299             if (lpCmd->dwVersion != DD_VERSION) break;
 300             return X11DRV_DCICommand(in_count, lpCmd, out_data);
 301         }
 302         break;
 303
 304     case X11DRV_ESCAPE:
 305         if (in_data && in_count >= sizeof(enum x11drv_escape_codes))
 306         {
 307             switch(*(const enum x11drv_escape_codes *)in_data)
 308             {
 309             case X11DRV_GET_DISPLAY:
 310                 if (out_count >= sizeof(Display *))
 311                 {
 312                     *(Display **)out_data = gdi_display;
 313                     return TRUE;
 314                 }
 315                 break;
 316             case X11DRV_GET_DRAWABLE:
 317                 if (out_count >= sizeof(Drawable))
 318                 {
 319                     *(Drawable *)out_data = physDev->drawable;
 320                     return TRUE;
 321                 }
 322                 break;
 323             case X11DRV_GET_FONT:
 324                 if (out_count >= sizeof(Font))
 325                 {
 326                     fontObject* pfo = XFONT_GetFontObject( physDev->font );
 327                     if (pfo == NULL) return FALSE;
 328                     *(Font *)out_data = pfo->fs->fid;
 329                     return TRUE;
 330                 }
 331                 break;
 332             case X11DRV_SET_DRAWABLE:
 333                 if (in_count >= sizeof(struct x11drv_escape_set_drawable))
 334                 {
 335                     const struct x11drv_escape_set_drawable *data = (const struct x11drv_escape_set_drawable *)in_data;
 336                     if(physDev->xrender) X11DRV_XRender_UpdateDrawable( physDev );
 337                     physDev->dc_rect = data->dc_rect;
 338                     physDev->drawable = data->drawable;
 339                     physDev->drawable_rect = data->drawable_rect;
 340                     wine_tsx11_lock();
 341                     XSetSubwindowMode( gdi_display, physDev->gc, data->mode );
 342                     wine_tsx11_unlock();
 343                     return TRUE;
 344                 }
 345                 break;
 346             case X11DRV_START_EXPOSURES:
 347                 wine_tsx11_lock();
 348                 XSetGraphicsExposures( gdi_display, physDev->gc, True );
 349                 wine_tsx11_unlock();
 350                 physDev->exposures = 0;
 351                 return TRUE;
 352             case X11DRV_END_EXPOSURES:
 353                 if (out_count >= sizeof(HRGN))
 354                 {
 355                     HRGN hrgn = 0, tmp = 0;
 356
 357                     wine_tsx11_lock();
 358                     XSetGraphicsExposures( gdi_display, physDev->gc, False );
 359                     if (physDev->exposures)
 360                     {
 361                         for (;;)
 362                         {
 363                             XEvent event;
 364
 365                             XWindowEvent( gdi_display, physDev->drawable, ~0, &event );
 366                             if (event.type == NoExpose) break;
 367                             if (event.type == GraphicsExpose)
 368                             {
 369                                 int x = event.xgraphicsexpose.x - physDev->dc_rect.left;
 370                                 int y = event.xgraphicsexpose.y - physDev->dc_rect.top;
 371
 372                                 TRACE( "got %d,%d %dx%d count %d\n", x, y,
 373                                        event.xgraphicsexpose.width,
 374                                        event.xgraphicsexpose.height,
 375                                        event.xgraphicsexpose.count );
 376
 377                                 if (!tmp) tmp = CreateRectRgn( 0, 0, 0, 0 );
 378                                 SetRectRgn( tmp, x, y,
 379                                             x + event.xgraphicsexpose.width,
 380                                             y + event.xgraphicsexpose.height );
 381                                 if (hrgn) CombineRgn( hrgn, hrgn, tmp, RGN_OR );
 382                                 else
 383                                 {
 384                                     hrgn = tmp;
 385                                     tmp = 0;
 386                                 }
 387                                 if (!event.xgraphicsexpose.count) break;
 388                             }
 389                             else
 390                             {
 391                                 ERR( "got unexpected event %d\n", event.type );
 392                                 break;
 393                             }
 394                         }
 395                         if (tmp) DeleteObject( tmp );
 396                     }
 397                     wine_tsx11_unlock();
 398                     *(HRGN *)out_data = hrgn;
 399                     return TRUE;
 400                 }
 401                 break;
 402             case X11DRV_GET_DCE:
 403                 if (out_count >= sizeof(struct dce *))
 404                 {
 405                     *(struct dce **)out_data = physDev->dce;
 406                     return TRUE;
 407                 }
 408                 break;
 409             case X11DRV_SET_DCE:
 410                 if (in_count >= sizeof(struct x11drv_escape_set_dce))
 411                 {
 412                     const struct x11drv_escape_set_dce *data = (const struct x11drv_escape_set_dce *)in_data;
 413                     physDev->dce = data->dce;
 414                     return TRUE;
 415                 }
 416                 break;
 417             case X11DRV_GET_GLX_DRAWABLE:
 418                 if (out_count >= sizeof(Drawable))
 419                 {
 420                     *(Drawable *)out_data = get_glxdrawable(physDev);
 421                     return TRUE;
 422                 }
 423                 break;
 424             case X11DRV_SYNC_PIXMAP:
 425                 if(physDev->bitmap)
 426                 {
 427                     X11DRV_CoerceDIBSection(physDev, DIB_Status_GdiMod, FALSE);
 428                     return TRUE;
 429                 }
 430                 return FALSE;
 431                 break;
 432             }
 433         }
 434         break;
 435     }
 436     return 0;
 437 }