SDL: src/video/directfb/SDL_DirectFB

     1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2009 Sam Lantinga

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Lesser General Public

     7     License as published by the Free Software Foundation; either

     8     version 2.1 of the License, or (at your option) any later version.

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Lesser General Public License for more details.

    15     You should have received a copy of the GNU Lesser General Public

    16     License along with this library; if not, write to the Free Software

    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 */

    22 #include "SDL_config.h"

    24 #include "SDL_syswm.h"

    25 #include "../SDL_sysvideo.h"

    26 #include "../../events/SDL_keyboard_c.h"

    28 #include "SDL_DirectFB_video.h"

    31 int

    32 DirectFB_CreateWindow(_THIS, SDL_Window * window)

    33 {

    34     SDL_DFB_DEVICEDATA(_this);

    35     SDL_DFB_DISPLAYDATA(_this, window);

    36     DFB_WindowData *windata = NULL;

    37     DFBWindowOptions wopts;

    38     DFBWindowDescription desc;

    39     IDirectFBFont *font;

    40     int ret, x, y;

    42     SDL_DFB_CALLOC(window->driverdata, 1, sizeof(DFB_WindowData));

    43     windata = (DFB_WindowData *) window->driverdata;

    45     windata->is_managed = devdata->has_own_wm;

    47     SDL_DFB_CHECKERR(devdata->dfb->SetCooperativeLevel(devdata->dfb,

    48                                                        DFSCL_NORMAL));

    49     SDL_DFB_CHECKERR(dispdata->layer->SetCooperativeLevel(dispdata->layer,

    50                                                           DLSCL_ADMINISTRATIVE));

    52     /* Fill the window description. */

    53     if (window->x == SDL_WINDOWPOS_CENTERED) {

    54         x = (dispdata->cw - window->w) / 2;

    55     } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {

    56         x = 0;

    57     } else {

    58         x = window->x;

    59     }

    60     if (window->y == SDL_WINDOWPOS_CENTERED) {

    61         y = (dispdata->ch - window->h) / 2;

    62     } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {

    63         y = 0;

    64     } else {

    65         y = window->y;

    66     }

    67     if (window->flags & SDL_WINDOW_FULLSCREEN) {

    68         x = 0;

    69         y = 0;

    70     }

    72     DirectFB_WM_AdjustWindowLayout(window);

    74     /* Create Window */

    75     desc.flags =

    76         DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_PIXELFORMAT | DWDESC_POSX

    77         | DWDESC_POSY | DWDESC_SURFACE_CAPS;

    78     desc.posx = x;

    79     desc.posy = y;

    80     desc.width = windata->size.w;

    81     desc.height = windata->size.h;

    82     desc.pixelformat = dispdata->pixelformat;

    83     desc.surface_caps = DSCAPS_PREMULTIPLIED;

    85     /* Create the window. */

    86     SDL_DFB_CHECKERR(dispdata->layer->CreateWindow(dispdata->layer, &desc,

    87                                                    &windata->window));

    89     /* Set Options */

    90     windata->window->GetOptions(windata->window, &wopts);

    92     if (window->flags & SDL_WINDOW_RESIZABLE)

    93         wopts |= DWOP_SCALE;

    94     else

    95         wopts |= DWOP_KEEP_SIZE;

    97     if (window->flags & SDL_WINDOW_FULLSCREEN) {

    98         wopts |= DWOP_KEEP_POSITION | DWOP_KEEP_STACKING | DWOP_KEEP_SIZE;

    99         windata->window->SetStackingClass(windata->window, DWSC_UPPER);

   100     }

   101     windata->window->SetOptions(windata->window, wopts);

   103     /* See what we got */

   104     SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize(_this, window, &window->w, &window->h));

   106     /* Get the window's surface. */

   107     SDL_DFB_CHECKERR(windata->window->GetSurface(windata->window,

   108                                                  &windata->window_surface));

   109     /* And get a subsurface for rendering */

   110     SDL_DFB_CHECKERR(windata->window_surface->

   111                      GetSubSurface(windata->window_surface, &windata->client,

   112                                    &windata->surface));

   114     windata->window->SetOpacity(windata->window, 0xFF);

   116     /* Create Eventbuffer */

   117     SDL_DFB_CHECKERR(windata->window->CreateEventBuffer(windata->window,

   118                                                         &windata->eventbuffer));

   119     SDL_DFB_CHECKERR(windata->

   120                      window->EnableEvents(windata->window, DWET_ALL));

   122     /* Create a font */

   123     /* FIXME: once during Video_Init */

   124     if (windata->is_managed) {

   125         DFBFontDescription fdesc;

   127         fdesc.flags = DFDESC_HEIGHT;

   128         fdesc.height = windata->theme.font_size;

   129         font = NULL;

   130         SDL_DFB_CHECK(devdata->

   131                       dfb->CreateFont(devdata->dfb, windata->theme.font,

   132                                       &fdesc, &font));

   133         windata->window_surface->SetFont(windata->window_surface, font);

   134         SDL_DFB_RELEASE(font);

   135     }

   137     /* Make it the top most window. */

   138     windata->window->RaiseToTop(windata->window);

   140     /* remember parent */

   141     windata->sdl_id = window->id;

   143     /* Add to list ... */

   145     windata->next = devdata->firstwin;

   146     windata->opacity = 0xFF;

   147     devdata->firstwin = windata;

   149     /* Draw Frame */

   150     DirectFB_WM_RedrawLayout(window);

   152     return 0;

   153   error:

   154     SDL_DFB_RELEASE(windata->window);

   155     SDL_DFB_RELEASE(windata->surface);

   156     return -1;

   157 }

   159 int

   160 DirectFB_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)

   161 {

   162     SDL_Unsupported();

   163     return -1;

   164 }

   166 void

   167 DirectFB_SetWindowTitle(_THIS, SDL_Window * window)

   168 {

   169     SDL_DFB_WINDOWDATA(window);

   171     if (windata->is_managed) {

   172         windata->wm_needs_redraw = 1;

   173     } else

   174         SDL_Unsupported();

   175 }

   177 void

   178 DirectFB_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)

   179 {

   180     SDL_DFB_DEVICEDATA(_this);

   181     SDL_DFB_WINDOWDATA(window);

   182     SDL_Surface *surface = NULL;

   183     DFBResult ret;

   185     if (icon) {

   186         SDL_PixelFormat format;

   187         DFBSurfaceDescription dsc;

   188         Uint32 *dest;

   189         Uint32 *p;

   190         int pitch, i;

   192         /* Convert the icon to ARGB for modern window managers */

   193         SDL_InitFormat(&format, 32, 0x00FF0000, 0x0000FF00, 0x000000FF,

   194                        0xFF000000);

   195         surface = SDL_ConvertSurface(icon, &format, 0);

   196         if (!surface) {

   197             return;

   198         }

   199         dsc.flags =

   200             DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;

   201         dsc.caps = DSCAPS_VIDEOONLY;

   202         dsc.width = surface->w;

   203         dsc.height = surface->h;

   204         dsc.pixelformat = DSPF_ARGB;

   206         SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,

   207                                                      &windata->icon));

   209         SDL_DFB_CHECKERR(windata->icon->Lock(windata->icon, DSLF_WRITE,

   210                                              (void *) &dest, &pitch));

   212         p = surface->pixels;

   213         for (i = 0; i < surface->h; i++)

   214             memcpy((char *) dest + i * pitch,

   215                    (char *) p + i * surface->pitch, 4 * surface->w);

   217         windata->icon->Unlock(windata->icon);

   218         SDL_FreeSurface(surface);

   219     } else {

   220         SDL_DFB_RELEASE(windata->icon);

   221     }

   222     return;

   223   error:

   224     if (surface)

   225         SDL_FreeSurface(surface);

   226     SDL_DFB_RELEASE(windata->icon);

   227     return;

   228 }

   230 void

   231 DirectFB_SetWindowPosition(_THIS, SDL_Window * window)

   232 {

   233     SDL_DFB_WINDOWDATA(window);

   234     int x, y;

   236     if (window->y == SDL_WINDOWPOS_UNDEFINED)

   237         y = 0;

   238     else

   239         y = window->y;

   241     if (window->x == SDL_WINDOWPOS_UNDEFINED)

   242         x = 0;

   243     else

   244         x = window->x;

   246     if (window->flags & SDL_WINDOW_FULLSCREEN) {

   247         x = 0;

   248         y = 0;

   249     }

   250     DirectFB_WM_AdjustWindowLayout(window);

   251     windata->window->MoveTo(windata->window, x, y);

   252 }

   254 void

   255 DirectFB_SetWindowSize(_THIS, SDL_Window * window)

   256 {

   257     SDL_DFB_DEVICEDATA(_this);

   258     SDL_DFB_WINDOWDATA(window);

   259     int ret;

   261     if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {

   262         int cw;

   263         int ch;

   265         /* Make sure all events are disabled for this operation ! */

   266         SDL_DFB_CHECKERR(windata->window->DisableEvents(windata->window,

   267                                                         DWET_ALL));

   269         SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize(_this, window, &cw, &ch));

   271         if (cw != window->w || ch != window->h) {

   273             DirectFB_WM_AdjustWindowLayout(window);

   274             SDL_DFB_CHECKERR(windata->window->Resize(windata->window,

   275                                                      windata->size.w,

   276                                                      windata->size.h));

   277         }

   279         SDL_DFB_CHECKERR(windata->window->EnableEvents(windata->window,

   280                                                        DWET_ALL));

   282         SDL_DFB_CHECKERR(DirectFB_WM_GetClientSize(_this, window, &window->w, &window->h));

   284         SDL_OnWindowResized(window);

   285     }

   286     return;

   287   error:

   288     windata->window->EnableEvents(windata->window, DWET_ALL);

   289     return;

   290 }

   292 void

   293 DirectFB_ShowWindow(_THIS, SDL_Window * window)

   294 {

   295     SDL_DFB_WINDOWDATA(window);

   297     windata->window->SetOpacity(windata->window, windata->opacity);

   299 }

   301 void

   302 DirectFB_HideWindow(_THIS, SDL_Window * window)

   303 {

   304     SDL_DFB_WINDOWDATA(window);

   306     windata->window->GetOpacity(windata->window, &windata->opacity);

   307     windata->window->SetOpacity(windata->window, 0);

   308 }

   310 void

   311 DirectFB_RaiseWindow(_THIS, SDL_Window * window)

   312 {

   313     SDL_DFB_WINDOWDATA(window);

   315     windata->window->RaiseToTop(windata->window);

   316     windata->window->RequestFocus(windata->window);

   317 }

   319 void

   320 DirectFB_MaximizeWindow(_THIS, SDL_Window * window)

   321 {

   322     SDL_DFB_WINDOWDATA(window);

   324     if (windata->is_managed) {

   325     	DirectFB_WM_MaximizeWindow(_this, window);

   326     } else

   327         SDL_Unsupported();

   328 }

   330 void

   331 DirectFB_MinimizeWindow(_THIS, SDL_Window * window)

   332 {

   333     /* FIXME: Size to 32x32 ? */

   335     SDL_Unsupported();

   336 }

   338 void

   339 DirectFB_RestoreWindow(_THIS, SDL_Window * window)

   340 {

   341     SDL_DFB_WINDOWDATA(window);

   343     if (windata->is_managed) {

   344     	DirectFB_WM_RestoreWindow(_this, window);

   345     } else

   346         SDL_Unsupported();

   347 }

   349 void

   350 DirectFB_SetWindowGrab(_THIS, SDL_Window * window)

   351 {

   352     SDL_DFB_WINDOWDATA(window);

   354     if ((window->flags & SDL_WINDOW_INPUT_GRABBED)) {

   355         windata->window->GrabPointer(windata->window);

   356         windata->window->GrabKeyboard(windata->window);

   357     } else {

   358         windata->window->UngrabPointer(windata->window);

   359         windata->window->UngrabKeyboard(windata->window);

   360     }

   361 }

   363 void

   364 DirectFB_DestroyWindow(_THIS, SDL_Window * window)

   365 {

   366     SDL_DFB_DEVICEDATA(_this);

   367     SDL_DFB_WINDOWDATA(window);

   368     DFB_WindowData *p;

   370     SDL_DFB_DEBUG("Trace\n");

   372     /* Some cleanups */

   373     windata->window->UngrabPointer(windata->window);

   374     windata->window->UngrabKeyboard(windata->window);

   376     windata->window_surface->SetFont(windata->window_surface, NULL);

   377     SDL_DFB_RELEASE(windata->icon);

   378     SDL_DFB_RELEASE(windata->eventbuffer);

   379     SDL_DFB_RELEASE(windata->surface);

   380     SDL_DFB_RELEASE(windata->window_surface);

   382     SDL_DFB_RELEASE(windata->window);

   384     /* Remove from list ... */

   386     p = devdata->firstwin;

   387     while (p && p->next != windata)

   388         p = p->next;

   389     if (p)

   390         p->next = windata->next;

   391     else

   392         devdata->firstwin = windata->next;

   393     SDL_free(windata);

   394     return;

   395 }

   397 SDL_bool

   398 DirectFB_GetWindowWMInfo(_THIS, SDL_Window * window,

   399                          struct SDL_SysWMinfo * info)

   400 {

   401     SDL_Unsupported();

   402     return SDL_FALSE;

   403 }

   405 void

   406 DirectFB_AdjustWindowSurface(SDL_Window * window)

   407 {

   408     SDL_DFB_WINDOWDATA(window);

   409     int adjust = windata->wm_needs_redraw;

   410     int cw, ch;

   411     int ret;

   413     DirectFB_WM_AdjustWindowLayout(window);

   415     SDL_DFB_CHECKERR(windata->

   416                      window_surface->GetSize(windata->window_surface, &cw,

   417                                              &ch));

   418     if (cw != windata->size.w || ch != windata->size.h) {

   419         adjust = 1;

   420     }

   422     if (adjust) {

   423 #if DFB_VERSION_ATLEAST(1,2,0)

   424        SDL_DFB_CHECKERR(windata->window->ResizeSurface(windata->window,

   425                                                         windata->size.w,

   426                                                         windata->size.h));

   427        SDL_DFB_CHECKERR(windata->surface->MakeSubSurface(windata->surface,

   428                                                           windata->

   429                                                           window_surface,

   430                                                           &windata->client));

   431 #else

   432        /* recreate subsurface */

   433        windata->surface->ReleaseSource(windata->surface);

   434        windata->window_surface->ReleaseSource(windata->window_surface);

   435        SDL_DFB_RELEASE(windata->surface);

   436        windata->surface = NULL;

   437        SDL_DFB_CHECKERR(windata->window->ResizeSurface(windata->window,

   438                                                        windata->size.w,

   439                                                        windata->size.h));

   440        SDL_DFB_CHECKERR(windata->window_surface->

   441                         GetSubSurface(windata->window_surface, &windata->client,

   442                                       &windata->surface));

   443 #endif

   444        DirectFB_WM_RedrawLayout(window);

   445     }

   446   error:

   447     return;

   448 }

author	Couriersud
	Tue, 13 Jan 2009 21:17:38 +0000
changeset 3037	490f3e4fe753
parent 3023	d72a0dd80e8b
child 3038	c73a5f8a03d2
permissions	-rw-r--r--