示例#1
0
/* Main entry point for gdk in 2.6 args are parsed
 */
GdkDisplay *
gdk_display_open (const gchar *display_name)
{
  IDirectFB             *directfb;
  IDirectFBDisplayLayer *layer;
  IDirectFBInputDevice  *keyboard;
  DFBResult              ret;

  if (_gdk_display)
    {
      return GDK_DISPLAY_OBJECT (_gdk_display); /* single display only */
    }

  ret = DirectFBInit (NULL, NULL);
  if (ret != DFB_OK)
    {
      DirectFBError ("gdk_display_open: DirectFBInit", ret);
      return NULL;
    }

  ret = DirectFBCreate (&directfb);
  if (ret != DFB_OK)
    {
      DirectFBError ("gdk_display_open: DirectFBCreate", ret);
      return NULL;
    }

  _gdk_display = g_object_new (GDK_TYPE_DISPLAY_DFB, NULL);
  _gdk_display->directfb = directfb;

  ret = directfb->GetDisplayLayer (directfb, DLID_PRIMARY, &layer);
  if (ret != DFB_OK)
    {
      DirectFBError ("gdk_display_open: GetDisplayLayer", ret);
      directfb->Release (directfb);
      _gdk_display->directfb = NULL;
      return NULL;
    }


  ret = directfb->GetInputDevice (directfb, DIDID_KEYBOARD, &keyboard);
  if (ret != DFB_OK)
    {
      DirectFBError ("gdk_display_open: GetInputDevice", ret);
      directfb->Release (directfb);
      _gdk_display->directfb = NULL;
      return NULL;
    }

  _gdk_display->layer    = layer;
  _gdk_display->keyboard = keyboard;

  _gdk_directfb_keyboard_init ();

  _gdk_screen = g_object_new (GDK_TYPE_SCREEN, NULL);

  _gdk_visual_init ();
  _gdk_windowing_window_init (_gdk_screen);

  gdk_screen_set_default_colormap (_gdk_screen,
                                   gdk_screen_get_system_colormap (_gdk_screen));
  _gdk_windowing_image_init ();

  _gdk_events_init ();
  _gdk_input_init ();
  _gdk_dnd_init ();

  layer->EnableCursor (layer, 1);

  g_signal_emit_by_name (gdk_display_manager_get (),
			 "display_opened", _gdk_display);

  return GDK_DISPLAY_OBJECT (_gdk_display);
}
示例#2
0
int main( int argc, char *argv[] )
{
     IDirectFB              *dfb;
     IDirectFBDisplayLayer  *layer;

     IDirectFBSurface       *bgsurface;
     IDirectFBImageProvider *provider;

     IDirectFBWindow        *window1;
     IDirectFBWindow        *window2;
     IDirectFBSurface       *window_surface1;
     IDirectFBSurface       *window_surface2;

     IDirectFBEventBuffer   *buffer;

     DFBDisplayLayerConfig  layer_config;

#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
     DFBCardCapabilities    caps;
#else
     DFBGraphicsDeviceDescription caps;
#endif
     IDirectFBWindow*       upper;
     DFBWindowID            id1;

     IDirectFBFont          *font;
     int fontheight;
     int err;
     int quit = 0;


     DFBCHECK(DirectFBInit( &argc, &argv ));
     DFBCHECK(DirectFBCreate( &dfb ));

#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
     dfb->GetCardCapabilities( dfb, &caps );
#else
     dfb->GetDeviceDescription( dfb, &caps );
#endif

     dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );

     if (!((caps.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL) &&
           (caps.blitting_flags & DSBLIT_BLEND_COLORALPHA  )))
     {
          layer_config.flags = DLCONF_BUFFERMODE;
          layer_config.buffermode = DLBM_BACKSYSTEM;

          layer->SetConfiguration( layer, &layer_config );
     }

     layer->GetConfiguration( layer, &layer_config );
     layer->EnableCursor ( layer, 1 );

     {
          DFBFontDescription desc;

          desc.flags = DFDESC_HEIGHT;
          desc.height = layer_config.width/50;

          DFBCHECK(dfb->CreateFont( dfb, PACKAGE_DATA_DIR"/grunge.ttf", &desc, &font ));
          font->GetHeight( font, &fontheight );
     }

     {
          DFBSurfaceDescription desc;

          DFBCHECK(dfb->CreateImageProvider( dfb,
                                             PACKAGE_DATA_DIR"/bg.png",
                                             &provider ));

          desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
          desc.width = layer_config.width;
          desc.height = layer_config.height;

          DFBCHECK(dfb->CreateSurface( dfb, &desc, &bgsurface ) );


          provider->RenderTo( provider, bgsurface, NULL );
          provider->Release( provider );

	  DFBCHECK(bgsurface->SetFont( bgsurface, font ));

          bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
          bgsurface->DrawString( bgsurface,
                                 "Move the mouse over a window to activate it.",
                                 -1, 10, 0, DSTF_LEFT | DSTF_TOP );

          bgsurface->SetColor( bgsurface, 0xFF, 0xCF, 0xFF, 0xFF );
          bgsurface->DrawString( bgsurface,
                    "You can drag them around, too, if you want.",
                                 -1, 10 , 40, DSTF_LEFT | DSTF_TOP );

          bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
	  bgsurface->DrawString( bgsurface,
                    "The one with funky stuff happening and things flying around is an evas.",
                                 -1, 10, 80, DSTF_LEFT | DSTF_TOP );




          layer->SetBackgroundImage( layer, bgsurface );
          layer->SetBackgroundMode( layer, DLBM_IMAGE );
     }
     {
	  DFBWindowDescription desc;
	  desc.flags = ( DWDESC_POSX | DWDESC_POSY |
                         DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS );

	  desc.posx = 20;
          desc.posy = 120;
          desc.width = 200;
          desc.height = 200;
	  desc.caps = DWCAPS_ALPHACHANNEL;

          DFBCHECK( layer->CreateWindow( layer, &desc, &window2 ) );
          window2->GetSurface( window2, &window_surface2 );

          window2->SetOpacity( window2, 0xFF );

          window2->CreateEventBuffer( window2, &buffer );

	  {
	     window_surface2->SetColor( window_surface2,
		   0x00, 0x30, 0x10, 0xc0 );
	     window_surface2->DrawRectangle( window_surface2, 0, 0,
		   desc.width, desc.height );
	     window_surface2->SetColor( window_surface2,
		   0x80, 0xa0, 0x00, 0x90 );
	     window_surface2->FillRectangle( window_surface2, 1, 1,
		   desc.width-2, desc.height-2 );


	     DFBCHECK(window_surface2->SetFont(window_surface2, font ));
	     window_surface2->SetColor( window_surface2, 0xCF, 0xFF, 0xCF, 0xFF );

	     window_surface2->DrawString( window_surface2,
		   "Pants!",
		   -1,10, fontheight + 5, DSTF_LEFT | DSTF_TOP );

	  }

          window_surface2->Flip( window_surface2, NULL, 0 );
     }

     {
          DFBWindowDescription desc;

          desc.flags = ( DWDESC_POSX | DWDESC_POSY |
                         DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS );
          desc.posx = 200;
          desc.posy = 200;
          desc.width = 240;
          desc.height = 320;
          desc.caps = DWCAPS_ALPHACHANNEL;

          DFBCHECK(layer->CreateWindow( layer, &desc, &window1 ) );
          window1->GetSurface( window1, &window_surface1 );

          window_surface1->SetColor( window_surface1, 0xFF, 0x20, 0x20, 0x90 );
          window_surface1->DrawRectangle( window_surface1, 0, 0,
                                          desc.width, desc.height );

          window_surface1->Flip( window_surface1, NULL, 0 );

          window1->SetOpacity( window1, 0xFF );

          window1->GetID( window1, &id1 );

          window1->AttachEventBuffer( window1, buffer );
     }

     window1->RequestFocus( window1 );
     window1->RaiseToTop( window1 );
     upper = window1;
     {
	evas_init();
	evas = evas_new();
	evas_output_method_set(evas, evas_render_method_lookup("directfb"));
	evas_output_size_set(evas, 240, 320);
	evas_output_viewport_set(evas, 0, 0, 240, 320);
	{
	   Evas_Engine_Info_DirectFB *einfo;

	   einfo = (Evas_Engine_Info_DirectFB *) evas_engine_info_get(evas);

	   einfo->info.dfb = dfb;
	   einfo->info.surface = window_surface1;
	   einfo->info.flags = DSDRAW_BLEND;
	   evas_engine_info_set(evas, (Evas_Engine_Info *) einfo);
	}
	setup();
	evas_render(evas);
	start_time = get_time();
     }

     while (!quit) {
          static IDirectFBWindow* active = NULL;
          static int grabbed = 0;
          static int startx = 0;
          static int starty = 0;
          static int endx = 0;
          static int endy = 0;
          DFBWindowEvent evt;

          buffer->WaitForEventWithTimeout( buffer, 0, 10 );

          while (buffer->GetEvent( buffer, DFB_EVENT(&evt) ) == DFB_OK) {
               IDirectFBWindow* window;

               if (evt.window_id == id1)
                    window = window1;
               else
                    window = window2;

               if (active) {
                    switch (evt.type) {

                    case DWET_BUTTONDOWN:
                         if (!grabbed && evt.button == DIBI_LEFT) {
                              grabbed = 1;
                              layer->GetCursorPosition( layer,
                                                        &startx, &starty );
                              window->GrabPointer( window );
                         }
                         break;

                    case DWET_BUTTONUP:
                         switch (evt.button) {
                              case DIBI_LEFT:
                                   if (grabbed) {
                                        window->UngrabPointer( window );
                                        grabbed = 0;
                                   }
                                   break;
                              case DIBI_MIDDLE:
                                   upper->LowerToBottom( upper );
                                   upper = (upper == window1) ? window2 : window1;
                                   break;
                              case DIBI_RIGHT:
                                   quit = DIKS_DOWN;
                                   break;
                              default:
                                   break;
                         }
                         break;

                    case DWET_KEYDOWN:
                         if (grabbed)
                              break;
                         switch (evt.key_id) {
                              case DIKI_RIGHT:
                                   active->Move (active, 1, 0);
                                   break;
                              case DIKI_LEFT:
                                   active->Move (active, -1, 0);
                                   break;
                              case DIKI_UP:
                                   active->Move (active, 0, -1);
                                   break;
                              case DIKI_DOWN:
                                   active->Move (active, 0, 1);
                                   break;
                              default:
                                   break;
                         }
                         break;

                    case DWET_LOSTFOCUS:
                         if (!grabbed)
                              active = NULL;
                         break;

                    default:
                         break;

                    }
               }
               else if (evt.type == DWET_GOTFOCUS)
                    active = window;

               switch (evt.type) {

               case DWET_MOTION:
                    endx = evt.cx;
                    endy = evt.cy;
                    break;

               case DWET_KEYDOWN:
                    switch (evt.key_symbol) {
                    case DIKS_ESCAPE:
                    case DIKS_SMALL_Q:
                    case DIKS_CAPITAL_Q:
                    case DIKS_BACK:
                    case DIKS_STOP:
                         quit = 1;
                         break;
                    default:
                         break;
                    }
                    break;

               default:
                    break;
               }
          }

          if (active) {
               if (grabbed) {
                    active->Move( active, endx - startx, endy - starty);
                    startx = endx;
                    starty = endy;
               }
               active->SetOpacity( active,
                                   (sin( myclock()/300.0 ) * 85) + 170 );
          }
	  loop();
	  {
	     Eina_List *updates;

	     updates = evas_render_updates(evas);
	     /* efficient update.. only flip the rectangle regions that changed! */
	     if (updates)
	       {
		  DFBRegion region;
		  Eina_List *l;

		  for (l = updates; l; l = l->next)
		    {
		       Evas_Rectangle *rect;

		       rect = l->data;
		       region.x1 = rect->x;
		       region.y1 = rect->y;
		       region.x2 = rect->x + rect->w - 1;
		       region.y2 = rect->y + rect->h - 1;
		       window_surface1->Flip(window_surface1, &region,
					     DSFLIP_BLIT);
		    }
		  evas_render_updates_free(updates);
	       }
	  }
     }

     buffer->Release( buffer );
     window_surface2->Release( window_surface2 );
     window_surface1->Release( window_surface1 );
     window2->Release( window2 );
     window1->Release( window1 );
     layer->Release( layer );
     bgsurface->Release( bgsurface );
     dfb->Release( dfb );

   evas_shutdown();
   return 0;
}
void
DirectFB_InitModes(_THIS)
{
    SDL_DFB_DEVICEDATA(_this);
    IDirectFBDisplayLayer *layer = NULL;
    SDL_VideoDisplay display;
    DFB_DisplayData *dispdata = NULL;
    SDL_DisplayMode mode;
    DFBGraphicsDeviceDescription caps;
    DFBDisplayLayerConfig dlc;
    struct screen_callback_t *screencbdata;

    int tcw[DFB_MAX_SCREENS];
    int tch[DFB_MAX_SCREENS];
    int i;
    DFBResult ret;

    SDL_DFB_ALLOC_CLEAR(screencbdata, sizeof(*screencbdata));

    screencbdata->numscreens = 0;

    for (i = 0; i < DFB_MAX_SCREENS; i++) {
        screencbdata->gralayer[i] = -1;
        screencbdata->vidlayer[i] = -1;
    }

    SDL_DFB_CHECKERR(devdata->dfb->EnumScreens(devdata->dfb, &EnumScreensCallback,
                                               screencbdata));

    for (i = 0; i < screencbdata->numscreens; i++) {
        IDirectFBScreen *screen;

        SDL_DFB_CHECKERR(devdata->dfb->GetScreen(devdata->dfb,
                                                 screencbdata->screenid
                                                 [i], &screen));

        screencbdata->aux = i;
        SDL_DFB_CHECKERR(screen->EnumDisplayLayers(screen, &EnumLayersCallback,
                                                   screencbdata));
        screen->GetSize(screen, &tcw[i], &tch[i]);

        screen->Release(screen);
    }

    /* Query card capabilities */

    devdata->dfb->GetDeviceDescription(devdata->dfb, &caps);

    for (i = 0; i < screencbdata->numscreens; i++) {
        SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
                                                       screencbdata->gralayer
                                                       [i], &layer));

        SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer,
                                                    DLSCL_ADMINISTRATIVE));
        layer->EnableCursor(layer, 1);
        SDL_DFB_CHECKERR(layer->SetCursorOpacity(layer, 0xC0));

        if (devdata->use_yuv_underlays) {
            dlc.flags = DLCONF_PIXELFORMAT | DLCONF_OPTIONS;
            dlc.pixelformat = DSPF_ARGB;
            dlc.options = DLOP_ALPHACHANNEL;

            ret = layer->SetConfiguration(layer, &dlc);
            if (ret != DFB_OK) {
                /* try AiRGB if the previous failed */
                dlc.pixelformat = DSPF_AiRGB;
                SDL_DFB_CHECKERR(layer->SetConfiguration(layer, &dlc));
            }
        }

        /* Query layer configuration to determine the current mode and pixelformat */
        dlc.flags = DLCONF_ALL;
        SDL_DFB_CHECKERR(layer->GetConfiguration(layer, &dlc));

        mode.format = DirectFB_DFBToSDLPixelFormat(dlc.pixelformat);
        
        if (mode.format == SDL_PIXELFORMAT_UNKNOWN) {
            SDL_DFB_ERR("Unknown dfb pixelformat %x !\n", dlc.pixelformat);
            goto error;
        }

        mode.w = dlc.width;
        mode.h = dlc.height;
        mode.refresh_rate = 0;
        mode.driverdata = NULL;

        SDL_DFB_ALLOC_CLEAR(dispdata, sizeof(*dispdata));

        dispdata->layer = layer;
        dispdata->pixelformat = dlc.pixelformat;
        dispdata->cw = tcw[i];
        dispdata->ch = tch[i];

        /* YUV - Video layer */

        dispdata->vidID = screencbdata->vidlayer[i];
        dispdata->vidIDinuse = 0;

        SDL_zero(display);

        display.desktop_mode = mode;
        display.current_mode = mode;
        display.driverdata = dispdata;

#if (DFB_VERSION_ATLEAST(1,2,0))
        dlc.flags =
            DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
            DLCONF_OPTIONS;
        ret = layer->SetConfiguration(layer, &dlc);
#endif

        SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer, DLSCL_SHARED));

        SDL_AddVideoDisplay(&display);
    }
    SDL_DFB_FREE(screencbdata);
    return;
  error:
    /* FIXME: Cleanup not complete, Free existing displays */
    SDL_DFB_FREE(dispdata);
    SDL_DFB_RELEASE(layer);
    return;
}