arch/all-mingw32/hidd/wingdi/disk_startup.c

   1 /*
   2     Copyright  1995-2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Disk-resident part of GDI display driver
   6     Lang: english
   7 */
   8
   9 #include <aros/debug.h>
  10 #include <dos/dosextens.h>
  11 #include <oop/oop.h>
  12 #include <workbench/startup.h>
  13 #include <workbench/workbench.h>
  14 #include <proto/dos.h>
  15 #include <proto/exec.h>
  16 #include <proto/graphics.h>
  17 #include <proto/oop.h>
  18 #include <proto/icon.h>
  19
  20 #include <stdlib.h>
  21
  22 #include "gdi_class.h"
  23
  24 /* Minimum required library version */
  25 #define GDI_VERSION 42
  26
  27 /************************************************************************/
  28
  29 /*
  30  * This program actually just creates additional GDI displays.
  31  * It assumes that the driver itself is placed in kickstart in the form
  32  * of library
  33  */
  34
  35 extern struct WBStartup *WBenchMsg;
  36
  37 int __nocommandline = 1;
  38
  39 /* This function uses library open count as displays count */
  40 static ULONG AddDisplays(ULONG num)
  41 {
  42     struct GDIBase *GDIBase;
  43     OOP_Class *gfxclass;
  44     ULONG old;
  45     ULONG i;
  46
  47     D(bug("[GDI] Making %u displays\n", num));
  48     /* First query current displays count */
  49     GDIBase = (struct GDIBase *)OpenLibrary(GDI_LIBNAME, GDI_VERSION);
  50     if (!GDIBase)
  51         return 0;
  52
  53     gfxclass = GDIBase->gfxclass;
  54     old      = GDIBase->displaynum - 1;
  55
  56     CloseLibrary(&GDIBase->library);
  57     D(bug("[GDI] Current displays count: %u\n", old));
  58
  59     /* Add displays if needed */
  60     for (i = old; i < num; i++)
  61     {
  62         ULONG err = AddDisplayDriverA(gfxclass, NULL, NULL);
  63
  64         if (err)
  65         {
  66             /* Abort if driver setup failed */
  67             D(bug("[GDI] Failed to add display object, error %u\n", err));
  68             break;
  69         }
  70     }
  71
  72     return i;
  73 }
  74
  75 int main(void)
  76 {
  77     BPTR olddir = NULL;
  78     STRPTR myname;
  79     struct DiskObject *icon;
  80     struct RDArgs *rdargs = NULL;
  81     int res = RETURN_OK;
  82     IPTR displays = 1;
  83
  84     if (WBenchMsg) {
  85         olddir = CurrentDir(WBenchMsg->sm_ArgList[0].wa_Lock);
  86         myname = WBenchMsg->sm_ArgList[0].wa_Name;
  87     } else {
  88         struct Process *me = (struct Process *)FindTask(NULL);
  89
  90         if (me->pr_CLI) {
  91             struct CommandLineInterface *cli = BADDR(me->pr_CLI);
  92
  93             myname = cli->cli_CommandName;
  94         } else
  95             myname = me->pr_Task.tc_Node.ln_Name;
  96     }
  97     D(bug("[GDI] Command name: %s\n", myname));
  98
  99     icon = GetDiskObject(myname);
 100     D(bug("[GDI] Icon 0x%p\n", icon));
 101
 102     if (icon) {
 103         STRPTR str = FindToolType(icon->do_ToolTypes, "DISPLAYS");
 104
 105         displays = atoi(str);
 106     }
 107
 108     if (!WBenchMsg) {
 109         rdargs = ReadArgs("DISPLAYS/N/A", &displays, NULL);
 110         D(bug("[GDI] RDArgs 0x%p\n", rdargs));
 111     }
 112
 113     AddDisplays(displays);
 114
 115     if (rdargs)
 116         FreeArgs(rdargs);
 117     if (icon)
 118         FreeDiskObject(icon);
 119     if (olddir)
 120         CurrentDir(olddir);
 121
 122     return res;
 123 }