graphics/driver.c

   1 /*
   2  * Graphics driver management functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #include <string.h>
   8 #include "gdi.h"
   9 #include "heap.h"
  10 #include "debugtools.h"
  11
  12 DEFAULT_DEBUG_CHANNEL(driver)
  13
  14 typedef struct tagGRAPHICS_DRIVER
  15 {
  16     struct tagGRAPHICS_DRIVER *next;
  17     LPSTR                      name;
  18     const DC_FUNCTIONS        *funcs;
  19 } GRAPHICS_DRIVER;
  20
  21 static GRAPHICS_DRIVER *firstDriver = NULL;
  22 static GRAPHICS_DRIVER *genericDriver = NULL;
  23
  24 /**********************************************************************
  25  *           DRIVER_RegisterDriver
  26  */
  27 BOOL DRIVER_RegisterDriver( LPCSTR name, const DC_FUNCTIONS *funcs )
  28 {
  29     GRAPHICS_DRIVER *driver = HeapAlloc( SystemHeap, 0, sizeof(*driver) );
  30     if (!driver) return FALSE;
  31     driver->funcs = funcs;
  32     if (name)
  33     {
  34         driver->name  = HEAP_strdupA( SystemHeap, 0, name );
  35         driver->next  = firstDriver;
  36         firstDriver = driver;
  37         return TRUE;
  38     }
  39     /* No name -> it's the generic driver */
  40     if (genericDriver)
  41     {
  42         WARN(" already a generic driver\n" );
  43         HeapFree( SystemHeap, 0, driver );
  44         return FALSE;
  45     }
  46     driver->name = NULL;
  47     genericDriver = driver;
  48     return TRUE;
  49 }
  50
  51
  52 /**********************************************************************
  53  *           DRIVER_FindDriver
  54  */
  55 const DC_FUNCTIONS *DRIVER_FindDriver( LPCSTR name )
  56 {
  57     GRAPHICS_DRIVER *driver = firstDriver;
  58
  59     TRACE(": %s\n", name);
  60     while (driver && name)
  61     {
  62         if (!strcasecmp( driver->name, name )) return driver->funcs;
  63         driver = driver->next;
  64     }
  65     return genericDriver ? genericDriver->funcs : NULL;
  66 }
  67
  68
  69 /**********************************************************************
  70  *           DRIVER_UnregisterDriver
  71  */
  72 BOOL DRIVER_UnregisterDriver( LPCSTR name )
  73 {
  74     if (name)
  75     {
  76         GRAPHICS_DRIVER **ppDriver = &firstDriver;
  77         while (*ppDriver)
  78         {
  79             if (!strcasecmp( (*ppDriver)->name, name ))
  80             {
  81                 GRAPHICS_DRIVER *driver = *ppDriver;
  82                 (*ppDriver) = driver->next;
  83                 HeapFree( SystemHeap, 0, driver->name );
  84                 HeapFree( SystemHeap, 0, driver );
  85                 return TRUE;
  86             }
  87             ppDriver = &(*ppDriver)->next;
  88         }
  89         return FALSE;
  90     }
  91     else
  92     {
  93         if (!genericDriver) return FALSE;
  94         HeapFree( SystemHeap, 0, genericDriver );
  95         genericDriver = NULL;
  96         return TRUE;
  97     }
  98 }
  99
 100 /*****************************************************************************
 101  *      DRIVER_GetDriverName
 102  *
 103  */
 104 BOOL DRIVER_GetDriverName( LPCSTR device, LPSTR driver, DWORD size )
 105 {
 106     char *p;
 107     size = GetProfileStringA("devices", device, "", driver, size);
 108     if(!size) {
 109         WARN("Unable to find '%s' in [devices] section of win.ini\n", device);
 110         return FALSE;
 111     }
 112     p = strchr(driver, ',');
 113     if(!p) {
 114         WARN("'%s' entry in [devices] section of win.ini is malformed.\n",
 115              device);
 116         return FALSE;
 117     }
 118     *p = '\0';
 119     TRACE("Found '%s' for '%s'\n", driver, device);
 120     return TRUE;
 121 }
 122
 123 /*****************************************************************************
 124  *      GDI_CallDevInstall16   [GDI32.100]
 125  *
 126  * This should thunk to 16-bit and simply call the proc with the given args.
 127  */
 128 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 129                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 130 {
 131     FIXME("(%p, %04x, %s, %s, %s)\n",
 132           lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 133     return -1;
 134 }
 135
 136 /*****************************************************************************
 137  *      GDI_CallExtDeviceModePropSheet16   [GDI32.101]
 138  *
 139  * This should load the correct driver for lpszDevice and calls this driver's
 140  * ExtDeviceModePropSheet proc.
 141  *
 142  * Note: The driver calls a callback routine for each property sheet page; these
 143  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 144  * The layout of this structure is:
 145  *
 146  * struct
 147  * {
 148  *   DWORD  nPages;
 149  *   DWORD  unknown;
 150  *   HPROPSHEETPAGE  pages[10];
 151  * };
 152  */
 153 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 154                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 155 {
 156     FIXME("(%04x, %s, %s, %p)\n",
 157       hWnd, lpszDevice, lpszPort, lpPropSheet );
 158     return -1;
 159 }
 160
 161 /*****************************************************************************
 162  *      GDI_CallExtDeviceMode16   [GDI32.102]
 163  *
 164  * This should load the correct driver for lpszDevice and calls this driver's
 165  * ExtDeviceMode proc.
 166  */
 167 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 168                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 169                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 170                                     LPSTR lpszProfile, DWORD fwMode )
 171 {
 172     char buf[300];
 173     const DC_FUNCTIONS *funcs;
 174
 175     TRACE("(%04x, %p, %s, %s, %p, %s, %ld)\n",
 176           hwnd, lpdmOutput, lpszDevice, lpszPort,
 177           lpdmInput, lpszProfile, fwMode );
 178
 179     if(!DRIVER_GetDriverName( lpszDevice, buf, sizeof(buf) )) return -1;
 180     funcs = DRIVER_FindDriver( buf );
 181     if(!funcs || !funcs->pExtDeviceMode) return -1;
 182     return funcs->pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 183                                  lpdmInput, lpszProfile, fwMode);
 184 }
 185
 186 /****************************************************************************
 187  *      GDI_CallAdvancedSetupDialog16     [GDI32.103]
 188  *
 189  * This should load the correct driver for lpszDevice and calls this driver's
 190  * AdvancedSetupDialog proc.
 191  */
 192 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 193                                           LPDEVMODEA devin, LPDEVMODEA devout )
 194 {
 195     TRACE("(%04x, %s, %p, %p)\n",
 196           hwnd, lpszDevice, devin, devout );
 197     return -1;
 198 }
 199
 200 /*****************************************************************************
 201  *      GDI_CallDeviceCapabilities16      [GDI32.104]
 202  *
 203  * This should load the correct driver for lpszDevice and calls this driver's
 204  * DeviceCapabilities proc.
 205  */
 206 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
 207                                            WORD fwCapability, LPSTR lpszOutput,
 208                                            LPDEVMODEA lpdm )
 209 {
 210     char buf[300];
 211     const DC_FUNCTIONS *funcs;
 212
 213     TRACE("(%s, %s, %d, %p, %p)\n",
 214           lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
 215
 216
 217     if(!DRIVER_GetDriverName( lpszDevice, buf, sizeof(buf) )) return -1;
 218     funcs = DRIVER_FindDriver( buf );
 219     if(!funcs || !funcs->pDeviceCapabilities) return -1;
 220     return funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
 221                                        fwCapability, lpszOutput, lpdm);
 222
 223 }
 224
 225