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Sourcecode: gnome-compiz-manager version File versions

Screen.c

/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Screen.c,v 1.28 2003/11/07 23:41:41 dawes Exp $ */
/* 
 * 
 * Copyright (c) 1997  Metro Link Incorporated
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * Except as contained in this notice, the name of the Metro Link shall not be
 * used in advertising or otherwise to promote the sale, use or other dealings
 * in this Software without prior written authorization from Metro Link.
 * 
 */
/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */


/* View/edit this file with tab stops set to 4 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"

extern LexRec val;

static xf86ConfigSymTabRec DisplayTab[] =
{
      {ENDSUBSECTION, "endsubsection"},
      {MODES, "modes"},
      {VIEWPORT, "viewport"},
      {VIRTUAL, "virtual"},
      {VISUAL, "visual"},
      {BLACK_TOK, "black"},
      {WHITE_TOK, "white"},
      {DEPTH, "depth"},
      {BPP, "fbbpp"},
      {WEIGHT, "weight"},
      {OPTION, "option"},
      {-1, ""},
};

#define CLEANUP xf86freeDisplayList

XF86ConfDisplayPtr
xf86parseDisplaySubSection (void)
{
      int token;
      parsePrologue (XF86ConfDisplayPtr, XF86ConfDisplayRec)

      ptr->disp_black.red = ptr->disp_black.green = ptr->disp_black.blue = -1;
      ptr->disp_white.red = ptr->disp_white.green = ptr->disp_white.blue = -1;
      ptr->disp_frameX0 = ptr->disp_frameY0 = -1;
      while ((token = xf86getToken (DisplayTab)) != ENDSUBSECTION)
      {
            switch (token)
            {
            case COMMENT:
                  ptr->disp_comment = xf86addComment(ptr->disp_comment, val.str);
                  break;
            case VIEWPORT:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (VIEWPORT_MSG, NULL);
                  ptr->disp_frameX0 = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (VIEWPORT_MSG, NULL);
                  ptr->disp_frameY0 = val.num;
                  break;
            case VIRTUAL:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (VIRTUAL_MSG, NULL);
                  ptr->disp_virtualX = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (VIRTUAL_MSG, NULL);
                  ptr->disp_virtualY = val.num;
                  break;
            case DEPTH:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (NUMBER_MSG, "Display");
                  ptr->disp_depth = val.num;
                  break;
            case BPP:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (NUMBER_MSG, "Display");
                  ptr->disp_bpp = val.num;
                  break;
            case VISUAL:
                  if (xf86getSubToken (&(ptr->disp_comment)) != STRING)
                        Error (QUOTE_MSG, "Display");
                  ptr->disp_visual = val.str;
                  break;
            case WEIGHT:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WEIGHT_MSG, NULL);
                  ptr->disp_weight.red = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WEIGHT_MSG, NULL);
                  ptr->disp_weight.green = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WEIGHT_MSG, NULL);
                  ptr->disp_weight.blue = val.num;
                  break;
            case BLACK_TOK:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (BLACK_MSG, NULL);
                  ptr->disp_black.red = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (BLACK_MSG, NULL);
                  ptr->disp_black.green = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (BLACK_MSG, NULL);
                  ptr->disp_black.blue = val.num;
                  break;
            case WHITE_TOK:
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WHITE_MSG, NULL);
                  ptr->disp_white.red = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WHITE_MSG, NULL);
                  ptr->disp_white.green = val.num;
                  if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
                        Error (WHITE_MSG, NULL);
                  ptr->disp_white.blue = val.num;
                  break;
            case MODES:
                  {
                        XF86ModePtr mptr;

                        while ((token = xf86getSubTokenWithTab (&(ptr->disp_comment), DisplayTab)) == STRING)
                        {
                              mptr = xf86confcalloc (1, sizeof (XF86ModeRec));
                              mptr->mode_name = val.str;
                              mptr->list.next = NULL;
                              ptr->disp_mode_lst = (XF86ModePtr)
                                    xf86addListItem ((glp) ptr->disp_mode_lst, (glp) mptr);
                        }
                        xf86unGetToken (token);
                  }
                  break;
            case OPTION:
                  ptr->disp_option_lst = xf86parseOption(ptr->disp_option_lst);
                  break;
                  
            case EOF_TOKEN:
                  Error (UNEXPECTED_EOF_MSG, NULL);
                  break;
            default:
                  Error (INVALID_KEYWORD_MSG, xf86tokenString ());
                  break;
            }
      }

#ifdef DEBUG
      printf ("Display subsection parsed\n");
#endif

      return ptr;
}

#undef CLEANUP

static xf86ConfigSymTabRec ScreenTab[] =
{
      {ENDSECTION, "endsection"},
      {IDENTIFIER, "identifier"},
      {OBSDRIVER, "driver"},
      {MDEVICE, "device"},
      {MONITOR, "monitor"},
      {VIDEOADAPTOR, "videoadaptor"},
      {SCREENNO, "screenno"},
      {SUBSECTION, "subsection"},
      {DEFAULTDEPTH, "defaultcolordepth"},
      {DEFAULTDEPTH, "defaultdepth"},
      {DEFAULTBPP, "defaultbpp"},
      {DEFAULTFBBPP, "defaultfbbpp"},
      {OPTION, "option"},
      {-1, ""},
};

#define CLEANUP xf86freeScreenList
XF86ConfScreenPtr
xf86parseScreenSection (void)
{
      int has_ident = FALSE;
      int has_driver= FALSE;
      int token;

      parsePrologue (XF86ConfScreenPtr, XF86ConfScreenRec)

            while ((token = xf86getToken (ScreenTab)) != ENDSECTION)
      {
            switch (token)
            {
            case COMMENT:
                  ptr->scrn_comment = xf86addComment(ptr->scrn_comment, val.str);
                  break;
            case IDENTIFIER:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                        Error (QUOTE_MSG, "Identifier");
                  ptr->scrn_identifier = val.str;
                  if (has_ident || has_driver)
                        Error (ONLY_ONE_MSG,"Identifier or Driver");
                  has_ident = TRUE;
                  break;
            case OBSDRIVER:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                        Error (QUOTE_MSG, "Driver");
                  ptr->scrn_obso_driver = val.str;
                  if (has_ident || has_driver)
                        Error (ONLY_ONE_MSG,"Identifier or Driver");
                  has_driver = TRUE;
                  break;
            case DEFAULTDEPTH:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
                        Error (NUMBER_MSG, "DefaultDepth");
                  ptr->scrn_defaultdepth = val.num;
                  break;
            case DEFAULTBPP:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
                        Error (NUMBER_MSG, "DefaultBPP");
                  ptr->scrn_defaultbpp = val.num;
                  break;
            case DEFAULTFBBPP:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
                        Error (NUMBER_MSG, "DefaultFbBPP");
                  ptr->scrn_defaultfbbpp = val.num;
                  break;
            case MDEVICE:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                        Error (QUOTE_MSG, "Device");
                  ptr->scrn_device_str = val.str;
                  break;
            case MONITOR:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                        Error (QUOTE_MSG, "Monitor");
                  ptr->scrn_monitor_str = val.str;
                  break;
            case VIDEOADAPTOR:
                  {
                        XF86ConfAdaptorLinkPtr aptr;

                        if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                              Error (QUOTE_MSG, "VideoAdaptor");

                        /* Don't allow duplicates */
                        for (aptr = ptr->scrn_adaptor_lst; aptr; 
                              aptr = (XF86ConfAdaptorLinkPtr) aptr->list.next)
                              if (xf86nameCompare (val.str, aptr->al_adaptor_str) == 0)
                                    break;

                        if (aptr == NULL)
                        {
                              aptr = xf86confcalloc (1, sizeof (XF86ConfAdaptorLinkRec));
                              aptr->list.next = NULL;
                              aptr->al_adaptor_str = val.str;
                              ptr->scrn_adaptor_lst = (XF86ConfAdaptorLinkPtr)
                                    xf86addListItem ((glp) ptr->scrn_adaptor_lst, (glp) aptr);
                        }
                  }
                  break;
            case OPTION:
                  ptr->scrn_option_lst = xf86parseOption(ptr->scrn_option_lst);
                  break;
            case SUBSECTION:
                  if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
                        Error (QUOTE_MSG, "SubSection");
                  {
                        xf86conffree(val.str);
                        HANDLE_LIST (scrn_display_lst, xf86parseDisplaySubSection,
                                           XF86ConfDisplayPtr);
                  }
                  break;
            case EOF_TOKEN:
                  Error (UNEXPECTED_EOF_MSG, NULL);
                  break;
            default:
                  Error (INVALID_KEYWORD_MSG, xf86tokenString ());
                  break;
            }
      }

      if (!has_ident && !has_driver)
            Error (NO_IDENT_MSG, NULL);

#ifdef DEBUG
      printf ("Screen section parsed\n");
#endif

      return ptr;
}

void
xf86printScreenSection (FILE * cf, XF86ConfScreenPtr ptr)
{
      XF86ConfAdaptorLinkPtr aptr;
      XF86ConfDisplayPtr dptr;
      XF86ModePtr mptr;

      while (ptr)
      {
            fprintf (cf, "Section \"Screen\"\n");
            if (ptr->scrn_comment)
                  fprintf (cf, "%s", ptr->scrn_comment);
            if (ptr->scrn_identifier)
                  fprintf (cf, "\tIdentifier \"%s\"\n", ptr->scrn_identifier);
            if (ptr->scrn_obso_driver)
                  fprintf (cf, "\tDriver     \"%s\"\n", ptr->scrn_obso_driver);
            if (ptr->scrn_device_str)
                  fprintf (cf, "\tDevice     \"%s\"\n", ptr->scrn_device_str);
            if (ptr->scrn_monitor_str)
                  fprintf (cf, "\tMonitor    \"%s\"\n", ptr->scrn_monitor_str);
            if (ptr->scrn_defaultdepth)
                  fprintf (cf, "\tDefaultDepth     %d\n",
                               ptr->scrn_defaultdepth);
            if (ptr->scrn_defaultbpp)
                  fprintf (cf, "\tDefaultBPP     %d\n",
                               ptr->scrn_defaultbpp);
            if (ptr->scrn_defaultfbbpp)
                  fprintf (cf, "\tDefaultFbBPP     %d\n",
                               ptr->scrn_defaultfbbpp);
            xf86printOptionList(cf, ptr->scrn_option_lst, 1);
            for (aptr = ptr->scrn_adaptor_lst; aptr; aptr = aptr->list.next)
            {
                  fprintf (cf, "\tVideoAdaptor \"%s\"\n", aptr->al_adaptor_str);
            }
            for (dptr = ptr->scrn_display_lst; dptr; dptr = dptr->list.next)
            {
                  fprintf (cf, "\tSubSection \"Display\"\n");
                  if (dptr->disp_comment)
                        fprintf (cf, "%s", dptr->disp_comment);
                  if (dptr->disp_frameX0 >= 0 || dptr->disp_frameY0 >= 0)
                  {
                        fprintf (cf, "\t\tViewport   %d %d\n",
                                     dptr->disp_frameX0, dptr->disp_frameY0);
                  }
                  if (dptr->disp_virtualX != 0 || dptr->disp_virtualY != 0)
                  {
                        fprintf (cf, "\t\tVirtual   %d %d\n",
                                     dptr->disp_virtualX, dptr->disp_virtualY);
                  }
                  if (dptr->disp_depth)
                  {
                        fprintf (cf, "\t\tDepth     %d\n", dptr->disp_depth);
                  }
                  if (dptr->disp_bpp)
                  {
                        fprintf (cf, "\t\tFbBPP     %d\n", dptr->disp_bpp);
                  }
                  if (dptr->disp_visual)
                  {
                        fprintf (cf, "\t\tVisual    \"%s\"\n", dptr->disp_visual);
                  }
                  if (dptr->disp_weight.red != 0)
                  {
                        fprintf (cf, "\t\tWeight    %d %d %d\n",
                               dptr->disp_weight.red, dptr->disp_weight.green, dptr->disp_weight.blue);
                  }
                  if (dptr->disp_black.red != -1)
                  {
                        fprintf (cf, "\t\tBlack     0x%04x 0x%04x 0x%04x\n",
                                dptr->disp_black.red, dptr->disp_black.green, dptr->disp_black.blue);
                  }
                  if (dptr->disp_white.red != -1)
                  {
                        fprintf (cf, "\t\tWhite     0x%04x 0x%04x 0x%04x\n",
                                dptr->disp_white.red, dptr->disp_white.green, dptr->disp_white.blue);
                  }
                  if (dptr->disp_mode_lst)
                  {
                        fprintf (cf, "\t\tModes   ");
                  }
                  for (mptr = dptr->disp_mode_lst; mptr; mptr = mptr->list.next)
                  {
                        fprintf (cf, " \"%s\"", mptr->mode_name);
                  }
                  if (dptr->disp_mode_lst)
                  {
                        fprintf (cf, "\n");
                  }
                  xf86printOptionList(cf, dptr->disp_option_lst, 2);
                  fprintf (cf, "\tEndSubSection\n");
            }
            fprintf (cf, "EndSection\n\n");
            ptr = ptr->list.next;
      }

}

void
xf86freeScreenList (XF86ConfScreenPtr ptr)
{
      XF86ConfScreenPtr prev;

      while (ptr)
      {
            TestFree (ptr->scrn_identifier);
            TestFree (ptr->scrn_monitor_str);
            TestFree (ptr->scrn_device_str);
            TestFree (ptr->scrn_comment);
            xf86optionListFree (ptr->scrn_option_lst);
            xf86freeAdaptorLinkList (ptr->scrn_adaptor_lst);
            xf86freeDisplayList (ptr->scrn_display_lst);
            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

void
xf86freeAdaptorLinkList (XF86ConfAdaptorLinkPtr ptr)
{
      XF86ConfAdaptorLinkPtr prev;

      while (ptr)
      {
            TestFree (ptr->al_adaptor_str);
            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

void
xf86freeDisplayList (XF86ConfDisplayPtr ptr)
{
      XF86ConfDisplayPtr prev;

      while (ptr)
      {
            xf86freeModeList (ptr->disp_mode_lst);
            xf86optionListFree (ptr->disp_option_lst);
            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

void
xf86freeModeList (XF86ModePtr ptr)
{
      XF86ModePtr prev;

      while (ptr)
      {
            TestFree (ptr->mode_name);
            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

int
xf86validateScreen (XF86ConfigPtr p)
{
      XF86ConfScreenPtr screen = p->conf_screen_lst;
      XF86ConfMonitorPtr monitor;
      XF86ConfDevicePtr device;
      XF86ConfAdaptorLinkPtr adaptor;

      if (!screen)
      {
            xf86validationError ("At least one Screen section is required.");
            return (FALSE);
      }

      while (screen)
      {
            if (screen->scrn_obso_driver && !screen->scrn_identifier)
                  screen->scrn_identifier = screen->scrn_obso_driver;

            monitor = xf86findMonitor (screen->scrn_monitor_str, p->conf_monitor_lst);
            if (screen->scrn_monitor_str)
            {
                  if (!monitor)
                  {
                        xf86validationError (UNDEFINED_MONITOR_MSG,
                                          screen->scrn_monitor_str, screen->scrn_identifier);
                        return (FALSE);
                  }
                  else
                  {
                        screen->scrn_monitor = monitor;
                        if (!xf86validateMonitor(p, screen))
                              return (FALSE);
                  }
            }

            device = xf86findDevice (screen->scrn_device_str, p->conf_device_lst);
            if (!device)
            {
                  xf86validationError (UNDEFINED_DEVICE_MSG,
                                      screen->scrn_device_str, screen->scrn_identifier);
                  return (FALSE);
            }
            else
                  screen->scrn_device = device;

            adaptor = screen->scrn_adaptor_lst;
            while (adaptor)
            {
                  adaptor->al_adaptor = xf86findVideoAdaptor (adaptor->al_adaptor_str, p->conf_videoadaptor_lst);
                  if (!adaptor->al_adaptor)
                  {
                        xf86validationError (UNDEFINED_ADAPTOR_MSG, adaptor->al_adaptor_str, screen->scrn_identifier);
                        return (FALSE);
                  }
                  else if (adaptor->al_adaptor->va_fwdref)
                  {
                        xf86validationError (ADAPTOR_REF_TWICE_MSG, adaptor->al_adaptor_str,
                                         adaptor->al_adaptor->va_fwdref);
                        return (FALSE);
                  }

                  adaptor->al_adaptor->va_fwdref = xf86configStrdup(screen->scrn_identifier);
                  adaptor = adaptor->list.next;
            }

            screen = screen->list.next;
      }

      return (TRUE);
}

XF86ConfScreenPtr
xf86findScreen (const char *ident, XF86ConfScreenPtr p)
{
      while (p)
      {
            if (xf86nameCompare (ident, p->scrn_identifier) == 0)
                  return (p);

            p = p->list.next;
      }
      return (NULL);
}


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