git.sesse.net Git - vlc/blob - plugins/mga/xmga.c

   1 /*****************************************************************************
   2  * xmga.c : X11 MGA plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 1998-2001 VideoLAN
   5  * $Id: xmga.c,v 1.13 2002/05/06 21:05:26 gbazin Exp $
   6  *
   7  * Authors: Vincent Seguin <seguin@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          Gildas Bazin <gbazin@netcourrier.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <stdlib.h>                                                /* free() */
  31 #include <string.h>                                            /* strerror() */
  32
  33 #include <videolan/vlc.h>
  34
  35 #ifdef HAVE_MACHINE_PARAM_H
  36 /* BSD */
  37 #include <machine/param.h>
  38 #include <sys/types.h>                                     /* typedef ushort */
  39 #include <sys/ipc.h>
  40 #endif
  41
  42 #ifndef WIN32
  43 #include <netinet/in.h>                               /* BSD: struct in_addr */
  44 #endif
  45
  46 #include <sys/shm.h>                                   /* shmget(), shmctl() */
  47 #include <X11/Xlib.h>
  48 #include <X11/Xutil.h>
  49 #include <X11/keysym.h>
  50 #include <X11/extensions/XShm.h>
  51 #include <X11/extensions/dpms.h>
  52
  53 #include "video.h"
  54 #include "video_output.h"
  55
  56 #include "interface.h"
  57 #include "netutils.h"                                 /* network_ChannelJoin */
  58
  59 #include "stream_control.h"                 /* needed by input_ext-intf.h... */
  60 #include "input_ext-intf.h"
  61
  62 //#include "mga.h"
  63
  64 /*****************************************************************************
  65  * Local prototypes
  66  *****************************************************************************/
  67 static void vout_getfunctions( function_list_t * );
  68
  69 static int  vout_Create    ( vout_thread_t * );
  70 static void vout_Destroy   ( vout_thread_t * );
  71 static void vout_Render    ( vout_thread_t *, picture_t * );
  72 static void vout_Display   ( vout_thread_t *, picture_t * );
  73 static int  vout_Manage    ( vout_thread_t * );
  74 static int  vout_Init      ( vout_thread_t * );
  75 static void vout_End       ( vout_thread_t * );
  76
  77 static int  CreateWindow   ( vout_thread_t * );
  78 static void DestroyWindow  ( vout_thread_t * );
  79
  80 static int  NewPicture     ( vout_thread_t *, picture_t * );
  81 static void FreePicture    ( vout_thread_t *, picture_t * );
  82
  83 static void ToggleFullScreen      ( vout_thread_t * );
  84
  85 static void EnableXScreenSaver    ( vout_thread_t * );
  86 static void DisableXScreenSaver   ( vout_thread_t * );
  87
  88 static void CreateCursor   ( vout_thread_t * );
  89 static void DestroyCursor  ( vout_thread_t * );
  90 static void ToggleCursor   ( vout_thread_t * );
  91
  92 /*****************************************************************************
  93  * Building configuration tree
  94  *****************************************************************************/
  95
  96 #define ALT_FS_TEXT N_("alternate fullscreen method")
  97 #define ALT_FS_LONGTEXT N_( \
  98     "There are two ways to make a fullscreen window, unfortunately each one " \
  99     "has its drawbacks.\n" \
 100     "1) Let the window manager handle your fullscreen window (default). But " \
 101     "things like taskbars will likely show on top of the video.\n" \
 102     "2) Completly bypass the window manager, but then nothing will be able " \
 103     "to show on top of the video.")
 104
 105 #define DISPLAY_TEXT N_("X11 display name")
 106 #define DISPLAY_LONGTEXT N_( \
 107     "Specify the X11 hardware display you want to use.\nBy default vlc will " \
 108     "use the value of the DISPLAY environment variable.")
 109
 110 MODULE_CONFIG_START
 111 ADD_CATEGORY_HINT( N_("Miscellaneous"), NULL )
 112 ADD_STRING  ( "xmga_display", NULL, NULL, DISPLAY_TEXT, DISPLAY_LONGTEXT )
 113 ADD_BOOL    ( "xmga_altfullscreen", NULL, ALT_FS_TEXT, ALT_FS_LONGTEXT )
 114 MODULE_CONFIG_STOP
 115
 116 MODULE_INIT_START
 117     SET_DESCRIPTION( _("X11 MGA module") )
 118     ADD_CAPABILITY( VOUT, 60 )
 119     ADD_SHORTCUT( "xmga" )
 120 MODULE_INIT_STOP
 121
 122 MODULE_ACTIVATE_START
 123     vout_getfunctions( &p_module->p_functions->vout );
 124 MODULE_ACTIVATE_STOP
 125
 126 MODULE_DEACTIVATE_START
 127 MODULE_DEACTIVATE_STOP
 128
 129 /*****************************************************************************
 130  * vout_sys_t: video output method descriptor
 131  *****************************************************************************
 132  * This structure is part of the video output thread descriptor.
 133  * It describes the X11 and XVideo specific properties of an output thread.
 134  *****************************************************************************/
 135 typedef struct vout_sys_s
 136 {
 137     /* Internal settings and properties */
 138     Display *           p_display;                        /* display pointer */
 139
 140     Visual *            p_visual;                          /* visual pointer */
 141     int                 i_screen;                           /* screen number */
 142     Window              window;                               /* root window */
 143     GC                  gc;              /* graphic context instance handler */
 144
 145     boolean_t           b_shm;               /* shared memory extension flag */
 146
 147 #ifdef MODULE_NAME_IS_xvideo
 148     Window              yuv_window;   /* sub-window for displaying yuv video
 149                                                                         data */
 150     int                 i_xvport;
 151 #else
 152     Colormap            colormap;               /* colormap used (8bpp only) */
 153
 154     int                 i_screen_depth;
 155     int                 i_bytes_per_pixel;
 156     int                 i_bytes_per_line;
 157     int                 i_red_mask;
 158     int                 i_green_mask;
 159     int                 i_blue_mask;
 160 #endif
 161
 162     /* X11 generic properties */
 163     Atom                wm_protocols;
 164     Atom                wm_delete_window;
 165
 166     int                 i_width;                     /* width of main window */
 167     int                 i_height;                   /* height of main window */
 168     boolean_t           b_altfullscreen;          /* which fullscreen method */
 169
 170     /* Backup of window position and size before fullscreen switch */
 171     int                 i_width_backup;
 172     int                 i_height_backup;
 173     int                 i_xpos_backup;
 174     int                 i_ypos_backup;
 175     int                 i_width_backup_2;
 176     int                 i_height_backup_2;
 177     int                 i_xpos_backup_2;
 178     int                 i_ypos_backup_2;
 179
 180     /* Screen saver properties */
 181     int                 i_ss_timeout;                             /* timeout */
 182     int                 i_ss_interval;           /* interval between changes */
 183     int                 i_ss_blanking;                      /* blanking mode */
 184     int                 i_ss_exposure;                      /* exposure mode */
 185     BOOL                b_ss_dpms;                              /* DPMS mode */
 186
 187     /* Mouse pointer properties */
 188     boolean_t           b_mouse_pointer_visible;
 189     mtime_t             i_time_mouse_last_moved; /* used to auto-hide pointer*/
 190     Cursor              blank_cursor;                   /* the hidden cursor */
 191     mtime_t             i_time_button_last_pressed;   /* to track dbl-clicks */
 192     Pixmap              cursor_pixmap;
 193
 194 } vout_sys_t;
 195
 196 /*****************************************************************************
 197  * picture_sys_t: direct buffer method descriptor
 198  *****************************************************************************
 199  * This structure is part of the picture descriptor, it describes the
 200  * XVideo specific properties of a direct buffer.
 201  *****************************************************************************/
 202 typedef struct picture_sys_s
 203 {
 204 } picture_sys_t;
 205
 206 /*****************************************************************************
 207  * mwmhints_t: window manager hints
 208  *****************************************************************************
 209  * Fullscreen needs to be able to hide the wm decorations so we provide
 210  * this structure to make it easier.
 211  *****************************************************************************/
 212 #define MWM_HINTS_DECORATIONS   (1L << 1)
 213 #define PROP_MWM_HINTS_ELEMENTS 5
 214 typedef struct mwmhints_s
 215 {
 216     u32 flags;
 217     u32 functions;
 218     u32 decorations;
 219     s32 input_mode;
 220     u32 status;
 221 } mwmhints_t;
 222
 223 /*****************************************************************************
 224  * Chroma defines
 225  *****************************************************************************/
 226 #ifdef MODULE_NAME_IS_xvideo
 227 #   define MAX_DIRECTBUFFERS 5
 228 #else
 229 #   define MAX_DIRECTBUFFERS 2
 230 #endif
 231
 232 /*****************************************************************************
 233  * Seeking function TODO: put this in a generic location !
 234  *****************************************************************************/
 235 static __inline__ void vout_Seek( off_t i_seek )
 236 {
 237     off_t i_tell;
 238
 239     vlc_mutex_lock( &p_input_bank->lock );
 240     if( p_input_bank->pp_input[0] != NULL )
 241     {
 242 #define S p_input_bank->pp_input[0]->stream
 243         i_tell = S.p_selected_area->i_tell + i_seek * (off_t)50 * S.i_mux_rate;
 244
 245         i_tell = ( i_tell <= 0 /*S.p_selected_area->i_start*/ )
 246                    ? 0 /*S.p_selected_area->i_start*/
 247                    : ( i_tell >= S.p_selected_area->i_size )
 248                        ? S.p_selected_area->i_size
 249                        : i_tell;
 250
 251         input_Seek( p_input_bank->pp_input[0], i_tell );
 252 #undef S
 253     }
 254     vlc_mutex_unlock( &p_input_bank->lock );
 255 }
 256
 257 /*****************************************************************************
 258  * Functions exported as capabilities. They are declared as static so that
 259  * we don't pollute the namespace too much.
 260  *****************************************************************************/
 261 static void vout_getfunctions( function_list_t * p_function_list )
 262 {
 263     p_function_list->functions.vout.pf_create     = vout_Create;
 264     p_function_list->functions.vout.pf_init       = vout_Init;
 265     p_function_list->functions.vout.pf_end        = vout_End;
 266     p_function_list->functions.vout.pf_destroy    = vout_Destroy;
 267     p_function_list->functions.vout.pf_manage     = vout_Manage;
 268     p_function_list->functions.vout.pf_render     = vout_Render;
 269     p_function_list->functions.vout.pf_display    = vout_Display;
 270 }
 271
 272 /*****************************************************************************
 273  * vout_Create: allocate X11 video thread output method
 274  *****************************************************************************
 275  * This function allocate and initialize a X11 vout method. It uses some of the
 276  * vout properties to choose the window size, and change them according to the
 277  * actual properties of the display.
 278  *****************************************************************************/
 279 static int vout_Create( vout_thread_t *p_vout )
 280 {
 281     char *psz_display;
 282
 283     /* Allocate structure */
 284     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 285     if( p_vout->p_sys == NULL )
 286     {
 287         intf_ErrMsg( "vout error: %s", strerror(ENOMEM) );
 288         return( 1 );
 289     }
 290
 291     /* Open display, unsing the "display" config variable or the DISPLAY
 292      * environment variable */
 293     psz_display = config_GetPszVariable( "xmga_display" );
 294     p_vout->p_sys->p_display = XOpenDisplay( psz_display );
 295
 296     if( p_vout->p_sys->p_display == NULL )                          /* error */
 297     {
 298         intf_ErrMsg( "vout error: cannot open display %s",
 299                      XDisplayName( psz_display ) );
 300         free( p_vout->p_sys );
 301         if( psz_display ) free( psz_display );
 302         return( 1 );
 303     }
 304     if( psz_display ) free( psz_display );
 305
 306     p_vout->p_sys->i_screen = DefaultScreen( p_vout->p_sys->p_display );
 307
 308     /* Create blank cursor (for mouse cursor autohiding) */
 309     p_vout->p_sys->b_mouse_pointer_visible = 1;
 310     CreateCursor( p_vout );
 311
 312     /* Spawn base window - this window will include the video output window,
 313      * but also command buttons, subtitles and other indicators */
 314     if( CreateWindow( p_vout ) )
 315     {
 316         intf_ErrMsg( "vout error: cannot create X11 window" );
 317         DestroyCursor( p_vout );
 318         XCloseDisplay( p_vout->p_sys->p_display );
 319         free( p_vout->p_sys );
 320         return( 1 );
 321     }
 322
 323     /* Disable screen saver */
 324     DisableXScreenSaver( p_vout );
 325
 326     /* Misc init */
 327     p_vout->p_sys->b_altfullscreen = 0;
 328
 329     return( 0 );
 330 }
 331
 332 /*****************************************************************************
 333  * vout_Destroy: destroy X11 video thread output method
 334  *****************************************************************************
 335  * Terminate an output method created by vout_CreateOutputMethod
 336  *****************************************************************************/
 337 static void vout_Destroy( vout_thread_t *p_vout )
 338 {
 339     /* Restore cursor if it was blanked */
 340     if( !p_vout->p_sys->b_mouse_pointer_visible )
 341     {
 342         ToggleCursor( p_vout );
 343     }
 344
 345     DestroyCursor( p_vout );
 346     EnableXScreenSaver( p_vout );
 347     DestroyWindow( p_vout );
 348
 349     XCloseDisplay( p_vout->p_sys->p_display );
 350
 351     /* Destroy structure */
 352     free( p_vout->p_sys );
 353 }
 354
 355 /*****************************************************************************
 356  * vout_Init: initialize X11 video thread output method
 357  *****************************************************************************
 358  * This function create the XImages needed by the output thread. It is called
 359  * at the beginning of the thread, but also each time the window is resized.
 360  *****************************************************************************/
 361 static int vout_Init( vout_thread_t *p_vout )
 362 {
 363     int i_index;
 364     picture_t *p_pic;
 365
 366     I_OUTPUTPICTURES = 0;
 367
 368 #ifdef MODULE_NAME_IS_xvideo
 369     /* Initialize the output structure; we already found an XVideo port,
 370      * and the corresponding chroma we will be using. Since we can
 371      * arbitrary scale, stick to the coordinates and aspect. */
 372     p_vout->output.i_width  = p_vout->render.i_width;
 373     p_vout->output.i_height = p_vout->render.i_height;
 374     p_vout->output.i_aspect = p_vout->render.i_aspect;
 375
 376 #else
 377     /* Initialize the output structure: RGB with square pixels, whatever
 378      * the input format is, since it's the only format we know */
 379     switch( p_vout->p_sys->i_screen_depth )
 380     {
 381         case 8: /* FIXME: set the palette */
 382             p_vout->output.i_chroma = FOURCC_RGB2; break;
 383         case 15:
 384             p_vout->output.i_chroma = FOURCC_RV15; break;
 385         case 16:
 386             p_vout->output.i_chroma = FOURCC_RV16; break;
 387         case 24:
 388             p_vout->output.i_chroma = FOURCC_RV24; break;
 389         case 32:
 390             p_vout->output.i_chroma = FOURCC_RV32; break;
 391         default:
 392             intf_ErrMsg( "vout error: unknown screen depth" );
 393             return( 0 );
 394     }
 395
 396     p_vout->output.i_width = p_vout->p_sys->i_width;
 397     p_vout->output.i_height = p_vout->p_sys->i_height;
 398
 399     /* Assume we have square pixels */
 400     p_vout->output.i_aspect = p_vout->p_sys->i_width
 401                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
 402 #endif
 403
 404     /* Try to initialize up to MAX_DIRECTBUFFERS direct buffers */
 405     while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS )
 406     {
 407         p_pic = NULL;
 408
 409         /* Find an empty picture slot */
 410         for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
 411         {
 412             if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
 413             {
 414                 p_pic = p_vout->p_picture + i_index;
 415                 break;
 416             }
 417         }
 418
 419         /* Allocate the picture */
 420         if( p_pic == NULL || NewPicture( p_vout, p_pic ) )
 421         {
 422             break;
 423         }
 424
 425         p_pic->i_status = DESTROYED_PICTURE;
 426         p_pic->i_type   = DIRECT_PICTURE;
 427
 428         PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
 429
 430         I_OUTPUTPICTURES++;
 431     }
 432
 433     return( 0 );
 434 }
 435
 436 /*****************************************************************************
 437  * vout_Render: render previously calculated output
 438  *****************************************************************************/
 439 static void vout_Render( vout_thread_t *p_vout, picture_t *p_pic )
 440 {
 441     ;
 442 }
 443
 444  /*****************************************************************************
 445  * vout_Display: displays previously rendered output
 446  *****************************************************************************
 447  * This function sends the currently rendered image to X11 server.
 448  * (The Xv extension takes care of "double-buffering".)
 449  *****************************************************************************/
 450 static void vout_Display( vout_thread_t *p_vout, picture_t *p_pic )
 451 {
 452     int i_width, i_height, i_x, i_y;
 453
 454     vout_PlacePicture( p_vout, p_vout->p_sys->i_width, p_vout->p_sys->i_height,
 455                        &i_x, &i_y, &i_width, &i_height );
 456 }
 457
 458 /*****************************************************************************
 459  * vout_Manage: handle X11 events
 460  *****************************************************************************
 461  * This function should be called regularly by video output thread. It manages
 462  * X11 events and allows window resizing. It returns a non null value on
 463  * error.
 464  *****************************************************************************/
 465 static int vout_Manage( vout_thread_t *p_vout )
 466 {
 467     XEvent      xevent;                                         /* X11 event */
 468     boolean_t   b_resized;                        /* window has been resized */
 469     char        i_key;                                    /* ISO Latin-1 key */
 470     KeySym      x_key_symbol;
 471
 472     /* Handle X11 events: ConfigureNotify events are parsed to know if the
 473      * output window's size changed, MapNotify and UnmapNotify to know if the
 474      * window is mapped (and if the display is useful), and ClientMessages
 475      * to intercept window destruction requests */
 476
 477     b_resized = 0;
 478     while( XCheckWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
 479                               StructureNotifyMask | KeyPressMask |
 480                               ButtonPressMask | ButtonReleaseMask |
 481                               PointerMotionMask | Button1MotionMask , &xevent )
 482            == True )
 483     {
 484         /* ConfigureNotify event: prepare  */
 485         if( (xevent.type == ConfigureNotify)
 486           && ((xevent.xconfigure.width != p_vout->p_sys->i_width)
 487              || (xevent.xconfigure.height != p_vout->p_sys->i_height)) )
 488         {
 489             /* Update dimensions */
 490             b_resized = 1;
 491             p_vout->i_changes |= VOUT_SIZE_CHANGE;
 492             p_vout->p_sys->i_width = xevent.xconfigure.width;
 493             p_vout->p_sys->i_height = xevent.xconfigure.height;
 494         }
 495         /* MapNotify event: change window status and disable screen saver */
 496         else if( xevent.type == MapNotify)
 497         {
 498             if( (p_vout != NULL) && !p_vout->b_active )
 499             {
 500                 DisableXScreenSaver( p_vout );
 501                 p_vout->b_active = 1;
 502             }
 503         }
 504         /* UnmapNotify event: change window status and enable screen saver */
 505         else if( xevent.type == UnmapNotify )
 506         {
 507             if( (p_vout != NULL) && p_vout->b_active )
 508             {
 509                 EnableXScreenSaver( p_vout );
 510                 p_vout->b_active = 0;
 511             }
 512         }
 513         /* Keyboard event */
 514         else if( xevent.type == KeyPress )
 515         {
 516             /* We may have keys like F1 trough F12, ESC ... */
 517             x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
 518                                              xevent.xkey.keycode, 0 );
 519             switch( x_key_symbol )
 520             {
 521                  case XK_Escape:
 522                      p_main->p_intf->b_die = 1;
 523                      break;
 524                  case XK_Menu:
 525                      p_main->p_intf->b_menu_change = 1;
 526                      break;
 527                  case XK_Left:
 528                      vout_Seek( -5 );
 529                      break;
 530                  case XK_Right:
 531                      vout_Seek( 5 );
 532                      break;
 533                  case XK_Up:
 534                      vout_Seek( 60 );
 535                      break;
 536                  case XK_Down:
 537                      vout_Seek( -60 );
 538                      break;
 539                  case XK_Home:
 540                      input_Seek( p_input_bank->pp_input[0],
 541                      p_input_bank->pp_input[0]->stream.p_selected_area->i_start );
 542                      break;
 543                  case XK_End:
 544                      input_Seek( p_input_bank->pp_input[0],
 545                      p_input_bank->pp_input[0]->stream.p_selected_area->i_size );
 546                      break;
 547                  case XK_Page_Up:
 548                      vout_Seek( 900 );
 549                      break;
 550                  case XK_Page_Down:
 551                      vout_Seek( -900 );
 552                      break;
 553                  case XK_space:
 554                      input_SetStatus( p_input_bank->pp_input[0],
 555                                       INPUT_STATUS_PAUSE );
 556                      break;
 557
 558                  default:
 559                      /* "Normal Keys"
 560                       * The reason why I use this instead of XK_0 is that
 561                       * with XLookupString, we don't have to care about
 562                       * keymaps. */
 563
 564                     if( XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
 565                     {
 566                         /* FIXME: handle stuff here */
 567                         switch( i_key )
 568                         {
 569                         case 'q':
 570                         case 'Q':
 571                             p_main->p_intf->b_die = 1;
 572                             break;
 573                         case 'f':
 574                         case 'F':
 575                             p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 576                             break;
 577
 578                         case '0': network_ChannelJoin( 0 ); break;
 579                         case '1': network_ChannelJoin( 1 ); break;
 580                         case '2': network_ChannelJoin( 2 ); break;
 581                         case '3': network_ChannelJoin( 3 ); break;
 582                         case '4': network_ChannelJoin( 4 ); break;
 583                         case '5': network_ChannelJoin( 5 ); break;
 584                         case '6': network_ChannelJoin( 6 ); break;
 585                         case '7': network_ChannelJoin( 7 ); break;
 586                         case '8': network_ChannelJoin( 8 ); break;
 587                         case '9': network_ChannelJoin( 9 ); break;
 588
 589                         default:
 590                             break;
 591                         }
 592                     }
 593                 break;
 594             }
 595         }
 596         /* Mouse click */
 597         else if( xevent.type == ButtonPress )
 598         {
 599             switch( ((XButtonEvent *)&xevent)->button )
 600             {
 601                 case Button1:
 602                     /* In this part we will eventually manage
 603                      * clicks for DVD navigation for instance. */
 604
 605                     /* detect double-clicks */
 606                     if( ( ((XButtonEvent *)&xevent)->time -
 607                           p_vout->p_sys->i_time_button_last_pressed ) < 300 )
 608                     {
 609                       p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
 610                     }
 611
 612                     p_vout->p_sys->i_time_button_last_pressed =
 613                         ((XButtonEvent *)&xevent)->time;
 614                     break;
 615
 616                 case Button4:
 617                     vout_Seek( 15 );
 618                     break;
 619
 620                 case Button5:
 621                     vout_Seek( -15 );
 622                     break;
 623             }
 624         }
 625         /* Mouse release */
 626         else if( xevent.type == ButtonRelease )
 627         {
 628             switch( ((XButtonEvent *)&xevent)->button )
 629             {
 630                 case Button3:
 631                     /* FIXME: need locking ! */
 632                     p_main->p_intf->b_menu_change = 1;
 633                     break;
 634             }
 635         }
 636         /* Mouse move */
 637         else if( xevent.type == MotionNotify )
 638         {
 639             p_vout->p_sys->i_time_mouse_last_moved = mdate();
 640             if( ! p_vout->p_sys->b_mouse_pointer_visible )
 641             {
 642                 ToggleCursor( p_vout );
 643             }
 644         }
 645         /* Other event */
 646         else
 647         {
 648             intf_WarnMsg( 3, "vout: unhandled event %d received", xevent.type );
 649         }
 650     }
 651
 652     /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
 653      * are handled - according to the man pages, the format is always 32
 654      * in this case */
 655     while( XCheckTypedEvent( p_vout->p_sys->p_display,
 656                              ClientMessage, &xevent ) )
 657     {
 658         if( (xevent.xclient.message_type == p_vout->p_sys->wm_protocols)
 659             && (xevent.xclient.data.l[0] == p_vout->p_sys->wm_delete_window ) )
 660         {
 661             p_main->p_intf->b_die = 1;
 662         }
 663     }
 664
 665     /*
 666      * Fullscreen Change
 667      */
 668     if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
 669     {
 670         ToggleFullScreen( p_vout );
 671         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 672
 673     }
 674
 675     /*
 676      * Size change
 677      */
 678     if( p_vout->i_changes & VOUT_SIZE_CHANGE )
 679     {
 680         int i_width, i_height, i_x, i_y;
 681
 682         p_vout->i_changes &= ~VOUT_SIZE_CHANGE;
 683
 684         intf_WarnMsg( 3, "vout: video display resized (%dx%d)",
 685                       p_vout->p_sys->i_width,
 686                       p_vout->p_sys->i_height );
 687
 688         vout_PlacePicture( p_vout, p_vout->p_sys->i_width,
 689                            p_vout->p_sys->i_height,
 690                            &i_x, &i_y, &i_width, &i_height );
 691     }
 692
 693     /* Autohide Cursour */
 694     if( mdate() - p_vout->p_sys->i_time_mouse_last_moved > 2000000 )
 695     {
 696         /* Hide the mouse automatically */
 697         if( p_vout->p_sys->b_mouse_pointer_visible )
 698         {
 699             ToggleCursor( p_vout );
 700         }
 701     }
 702
 703     return 0;
 704 }
 705
 706 /*****************************************************************************
 707  * vout_End: terminate X11 video thread output method
 708  *****************************************************************************
 709  * Destroy the X11 XImages created by vout_Init. It is called at the end of
 710  * the thread, but also each time the window is resized.
 711  *****************************************************************************/
 712 static void vout_End( vout_thread_t *p_vout )
 713 {
 714     int i_index;
 715
 716     /* Free the direct buffers we allocated */
 717     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 718     {
 719         i_index--;
 720         FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
 721     }
 722 }
 723
 724 /* following functions are local */
 725
 726 /*****************************************************************************
 727  * CreateWindow: open and set-up X11 main window
 728  *****************************************************************************/
 729 static int CreateWindow( vout_thread_t *p_vout )
 730 {
 731     XSizeHints              xsize_hints;
 732     XSetWindowAttributes    xwindow_attributes;
 733     XGCValues               xgcvalues;
 734     XEvent                  xevent;
 735
 736     boolean_t               b_expose;
 737     boolean_t               b_configure_notify;
 738     boolean_t               b_map_notify;
 739
 740     /* Set main window's size */
 741     p_vout->p_sys->i_width = p_vout->i_window_width;
 742     p_vout->p_sys->i_height = p_vout->i_window_height;
 743
 744     /* Prepare window manager hints and properties */
 745     xsize_hints.base_width          = p_vout->p_sys->i_width;
 746     xsize_hints.base_height         = p_vout->p_sys->i_height;
 747     xsize_hints.flags               = PSize;
 748     p_vout->p_sys->wm_protocols     = XInternAtom( p_vout->p_sys->p_display,
 749                                                    "WM_PROTOCOLS", True );
 750     p_vout->p_sys->wm_delete_window = XInternAtom( p_vout->p_sys->p_display,
 751                                                    "WM_DELETE_WINDOW", True );
 752
 753     /* Prepare window attributes */
 754     xwindow_attributes.backing_store = Always;       /* save the hidden part */
 755     xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
 756                                                      p_vout->p_sys->i_screen);
 757     xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;
 758
 759
 760     /* Create the window and set hints - the window must receive
 761      * ConfigureNotify events, and until it is displayed, Expose and
 762      * MapNotify events. */
 763
 764     p_vout->p_sys->window =
 765         XCreateWindow( p_vout->p_sys->p_display,
 766                        DefaultRootWindow( p_vout->p_sys->p_display ),
 767                        0, 0,
 768                        p_vout->p_sys->i_width,
 769                        p_vout->p_sys->i_height,
 770                        0,
 771                        0, InputOutput, 0,
 772                        CWBackingStore | CWBackPixel | CWEventMask,
 773                        &xwindow_attributes );
 774
 775     /* Set window manager hints and properties: size hints, command,
 776      * window's name, and accepted protocols */
 777     XSetWMNormalHints( p_vout->p_sys->p_display, p_vout->p_sys->window,
 778                        &xsize_hints );
 779     XSetCommand( p_vout->p_sys->p_display, p_vout->p_sys->window,
 780                  p_main->ppsz_argv, p_main->i_argc );
 781     XStoreName( p_vout->p_sys->p_display, p_vout->p_sys->window,
 782                 VOUT_TITLE " (XMGA output)"
 783               );
 784
 785     if( (p_vout->p_sys->wm_protocols == None)        /* use WM_DELETE_WINDOW */
 786         || (p_vout->p_sys->wm_delete_window == None)
 787         || !XSetWMProtocols( p_vout->p_sys->p_display, p_vout->p_sys->window,
 788                              &p_vout->p_sys->wm_delete_window, 1 ) )
 789     {
 790         /* WM_DELETE_WINDOW is not supported by window manager */
 791         intf_Msg( "vout error: missing or bad window manager" );
 792     }
 793
 794     /* Creation of a graphic context that doesn't generate a GraphicsExpose
 795      * event when using functions like XCopyArea */
 796     xgcvalues.graphics_exposures = False;
 797     p_vout->p_sys->gc = XCreateGC( p_vout->p_sys->p_display,
 798                                    p_vout->p_sys->window,
 799                                    GCGraphicsExposures, &xgcvalues);
 800
 801     /* Send orders to server, and wait until window is displayed - three
 802      * events must be received: a MapNotify event, an Expose event allowing
 803      * drawing in the window, and a ConfigureNotify to get the window
 804      * dimensions. Once those events have been received, only ConfigureNotify
 805      * events need to be received. */
 806     b_expose = 0;
 807     b_configure_notify = 0;
 808     b_map_notify = 0;
 809     XMapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window);
 810     do
 811     {
 812         XNextEvent( p_vout->p_sys->p_display, &xevent);
 813         if( (xevent.type == Expose)
 814             && (xevent.xexpose.window == p_vout->p_sys->window) )
 815         {
 816             b_expose = 1;
 817         }
 818         else if( (xevent.type == MapNotify)
 819                  && (xevent.xmap.window == p_vout->p_sys->window) )
 820         {
 821             b_map_notify = 1;
 822         }
 823         else if( (xevent.type == ConfigureNotify)
 824                  && (xevent.xconfigure.window == p_vout->p_sys->window) )
 825         {
 826             b_configure_notify = 1;
 827             p_vout->p_sys->i_width = xevent.xconfigure.width;
 828             p_vout->p_sys->i_height = xevent.xconfigure.height;
 829         }
 830     } while( !( b_expose && b_configure_notify && b_map_notify ) );
 831
 832     XSelectInput( p_vout->p_sys->p_display, p_vout->p_sys->window,
 833                   StructureNotifyMask | KeyPressMask |
 834                   ButtonPressMask | ButtonReleaseMask |
 835                   PointerMotionMask );
 836
 837     /* If the cursor was formerly blank than blank it again */
 838     if( !p_vout->p_sys->b_mouse_pointer_visible )
 839     {
 840         ToggleCursor( p_vout );
 841         ToggleCursor( p_vout );
 842     }
 843
 844     XSync( p_vout->p_sys->p_display, False );
 845
 846     /* At this stage, the window is open, displayed, and ready to
 847      * receive data */
 848
 849     return( 0 );
 850 }
 851
 852 /*****************************************************************************
 853  * DestroyWindow: destroy the window
 854  *****************************************************************************
 855  *
 856  *****************************************************************************/
 857 static void DestroyWindow( vout_thread_t *p_vout )
 858 {
 859     XSync( p_vout->p_sys->p_display, False );
 860
 861     XUnmapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
 862     XFreeGC( p_vout->p_sys->p_display, p_vout->p_sys->gc );
 863     XDestroyWindow( p_vout->p_sys->p_display, p_vout->p_sys->window );
 864 }
 865
 866 /*****************************************************************************
 867  * NewPicture: allocate a picture
 868  *****************************************************************************
 869  * Returns 0 on success, -1 otherwise
 870  *****************************************************************************/
 871 static int NewPicture( vout_thread_t *p_vout, picture_t *p_pic )
 872 {
 873     /* We know the chroma, allocate a buffer which will be used
 874      * directly by the decoder */
 875     p_pic->p_sys = malloc( sizeof( picture_sys_t ) );
 876
 877     if( p_pic->p_sys == NULL )
 878     {
 879         return -1;
 880     }
 881
 882     /* XXX */
 883
 884     switch( p_vout->output.i_chroma )
 885     {
 886         /* XXX ?? */
 887
 888         default:
 889             /* Unknown chroma, tell the guy to get lost */
 890             free( p_pic->p_sys );
 891             intf_ErrMsg( "vout error: never heard of chroma 0x%.8x (%4.4s)",
 892                          p_vout->output.i_chroma,
 893                          (char*)&p_vout->output.i_chroma );
 894             p_pic->i_planes = 0;
 895             return -1;
 896     }
 897
 898     return 0;
 899 }
 900
 901 /*****************************************************************************
 902  * FreePicture: destroy a picture allocated with NewPicture
 903  *****************************************************************************
 904  * Destroy XImage AND associated data. If using Shm, detach shared memory
 905  * segment from server and process, then free it. The XDestroyImage manpage
 906  * says that both the image structure _and_ the data pointed to by the
 907  * image structure are freed, so no need to free p_image->data.
 908  *****************************************************************************/
 909 static void FreePicture( vout_thread_t *p_vout, picture_t *p_pic )
 910 {
 911
 912     XSync( p_vout->p_sys->p_display, False );
 913
 914     free( p_pic->p_sys );
 915 }
 916
 917 /*****************************************************************************
 918  * ToggleFullScreen: Enable or disable full screen mode
 919  *****************************************************************************
 920  * This function will switch between fullscreen and window mode.
 921  *
 922  *****************************************************************************/
 923 static void ToggleFullScreen ( vout_thread_t *p_vout )
 924 {
 925     Atom prop;
 926     mwmhints_t mwmhints;
 927     int i_xpos, i_ypos, i_width, i_height;
 928     XEvent xevent;
 929     XSetWindowAttributes attributes;
 930
 931     p_vout->b_fullscreen = !p_vout->b_fullscreen;
 932
 933     if( p_vout->b_fullscreen )
 934     {
 935         Window next_parent, parent, *p_dummy, dummy1;
 936         unsigned int dummy2, dummy3;
 937
 938         intf_WarnMsg( 3, "vout: entering fullscreen mode" );
 939
 940         /* Only check the fullscreen method when we actually go fullscreen,
 941          * because to go back to window mode we need to know in which
 942          * fullscreen mode we where */
 943         p_vout->p_sys->b_altfullscreen =
 944             config_GetIntVariable( "xmga_altfullscreen" );
 945
 946         /* Save current window coordinates so they can be restored when
 947          * we exit from fullscreen mode. This is the tricky part because
 948          * this heavily depends on the behaviour of the window manager.
 949          * When you use XMoveWindow some window managers will adjust the top
 950          * of the window to the coordinates you gave, but others will instead
 951          * adjust the top of the client area to the coordinates
 952          * (don't forget windows have decorations). */
 953
 954         /* First, get the position and size of the client area */
 955         XGetGeometry( p_vout->p_sys->p_display,
 956                       p_vout->p_sys->window,
 957                       &dummy1,
 958                       &dummy2,
 959                       &dummy3,
 960                       &p_vout->p_sys->i_width_backup_2,
 961                       &p_vout->p_sys->i_height_backup_2,
 962                       &dummy2, &dummy3 );
 963         XTranslateCoordinates( p_vout->p_sys->p_display,
 964                                p_vout->p_sys->window,
 965                                DefaultRootWindow( p_vout->p_sys->p_display ),
 966                                0,
 967                                0,
 968                                &p_vout->p_sys->i_xpos_backup_2,
 969                                &p_vout->p_sys->i_ypos_backup_2,
 970                                &dummy1 );
 971
 972         /* Then try to get the position and size of the whole window */
 973
 974         /* find the real parent of our window (created by the window manager),
 975          * the one which is a direct child of the root window */
 976         next_parent = parent = p_vout->p_sys->window;
 977         while( next_parent != DefaultRootWindow( p_vout->p_sys->p_display ) )
 978         {
 979             parent = next_parent;
 980             XQueryTree( p_vout->p_sys->p_display,
 981                         parent,
 982                         &dummy1,
 983                         &next_parent,
 984                         &p_dummy,
 985                         &dummy2 );
 986             XFree((void *)p_dummy);
 987         }
 988
 989         XGetGeometry( p_vout->p_sys->p_display,
 990                       p_vout->p_sys->window,
 991                       &dummy1,
 992                       &dummy2,
 993                       &dummy3,
 994                       &p_vout->p_sys->i_width_backup,
 995                       &p_vout->p_sys->i_height_backup,
 996                       &dummy2, &dummy3 );
 997
 998         XTranslateCoordinates( p_vout->p_sys->p_display,
 999                                parent,
1000                                DefaultRootWindow( p_vout->p_sys->p_display ),
1001                                0,
1002                                0,
1003                                &p_vout->p_sys->i_xpos_backup,
1004                                &p_vout->p_sys->i_ypos_backup,
1005                                &dummy1 );
1006
1007         /* fullscreen window size and position */
1008         i_xpos = 0;
1009         i_ypos = 0;
1010         i_width = DisplayWidth( p_vout->p_sys->p_display,
1011                                 p_vout->p_sys->i_screen );
1012         i_height = DisplayHeight( p_vout->p_sys->p_display,
1013                                   p_vout->p_sys->i_screen );
1014
1015     }
1016     else
1017     {
1018         intf_WarnMsg( 3, "vout: leaving fullscreen mode" );
1019
1020         i_xpos = p_vout->p_sys->i_xpos_backup;
1021         i_ypos = p_vout->p_sys->i_ypos_backup;
1022         i_width = p_vout->p_sys->i_width_backup;
1023         i_height = p_vout->p_sys->i_height_backup;
1024     }
1025
1026     /* To my knowledge there are two ways to create a borderless window.
1027      * There's the generic way which is to tell x to bypass the window manager,
1028      * but this creates problems with the focus of other applications.
1029      * The other way is to use the motif property "_MOTIF_WM_HINTS" which
1030      * luckily seems to be supported by most window managers.
1031      */
1032     if( !p_vout->p_sys->b_altfullscreen )
1033     {
1034         mwmhints.flags = MWM_HINTS_DECORATIONS;
1035         mwmhints.decorations = !p_vout->b_fullscreen;
1036
1037         prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
1038                             False );
1039         XChangeProperty( p_vout->p_sys->p_display, p_vout->p_sys->window,
1040                          prop, prop, 32, PropModeReplace,
1041                          (unsigned char *)&mwmhints,
1042                          PROP_MWM_HINTS_ELEMENTS );
1043     }
1044     else
1045     {
1046         /* brute force way to remove decorations */
1047         attributes.override_redirect = p_vout->b_fullscreen;
1048         XChangeWindowAttributes( p_vout->p_sys->p_display,
1049                                  p_vout->p_sys->window,
1050                                  CWOverrideRedirect,
1051                                  &attributes);
1052     }
1053
1054     /* We need to unmap and remap the window if we want the window
1055      * manager to take our changes into effect */
1056     XUnmapWindow( p_vout->p_sys->p_display, p_vout->p_sys->window);
1057
1058     XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1059                   StructureNotifyMask, &xevent );
1060     while( xevent.type != UnmapNotify )
1061         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1062                       StructureNotifyMask, &xevent );
1063
1064     XMapRaised( p_vout->p_sys->p_display, p_vout->p_sys->window);
1065
1066     while( xevent.type != MapNotify )
1067         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1068                       StructureNotifyMask, &xevent );
1069
1070     XMoveResizeWindow( p_vout->p_sys->p_display,
1071                        p_vout->p_sys->window,
1072                        i_xpos,
1073                        i_ypos,
1074                        i_width,
1075                        i_height );
1076
1077     /* Purge all ConfigureNotify events, this is needed to fix a bug where we
1078      * would lose the original size of the window */
1079     while( xevent.type != ConfigureNotify )
1080         XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1081                       StructureNotifyMask, &xevent );
1082     while( XCheckWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1083                               StructureNotifyMask, &xevent ) );
1084
1085
1086     /* We need to check that the window was really restored where we wanted */
1087     if( !p_vout->b_fullscreen )
1088     {
1089         Window dummy1;
1090         unsigned int dummy2, dummy3, dummy4, dummy5;
1091
1092         /* Check the position */
1093         XTranslateCoordinates( p_vout->p_sys->p_display,
1094                                p_vout->p_sys->window,
1095                                DefaultRootWindow( p_vout->p_sys->p_display ),
1096                                0,
1097                                0,
1098                                &dummy2,
1099                                &dummy3,
1100                                &dummy1 );
1101         if( dummy2 != p_vout->p_sys->i_xpos_backup_2 ||
1102             dummy3 != p_vout->p_sys->i_ypos_backup_2 )
1103         {
1104             /* Ok it didn't work... second try */
1105
1106             XMoveWindow( p_vout->p_sys->p_display,
1107                          p_vout->p_sys->window,
1108                          p_vout->p_sys->i_xpos_backup_2,
1109                          p_vout->p_sys->i_ypos_backup_2 );
1110
1111             /* Purge all ConfigureNotify events, this is needed to fix a bug
1112              * where we would lose the original size of the window */
1113             XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1114                           StructureNotifyMask, &xevent );
1115             while( xevent.type != ConfigureNotify )
1116                 XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1117                               StructureNotifyMask, &xevent );
1118             while( XCheckWindowEvent( p_vout->p_sys->p_display,
1119                                       p_vout->p_sys->window,
1120                                       StructureNotifyMask, &xevent ) );
1121         }
1122
1123         /* Check the size */
1124         XGetGeometry( p_vout->p_sys->p_display,
1125                       p_vout->p_sys->window,
1126                       &dummy1,
1127                       &dummy2,
1128                       &dummy3,
1129                       &dummy4,
1130                       &dummy5,
1131                       &dummy2, &dummy3 );
1132
1133         if( dummy4 != p_vout->p_sys->i_width_backup_2 ||
1134             dummy5 != p_vout->p_sys->i_height_backup_2 )
1135         {
1136             /* Ok it didn't work... third try */
1137
1138             XResizeWindow( p_vout->p_sys->p_display,
1139                          p_vout->p_sys->window,
1140                          p_vout->p_sys->i_width_backup_2,
1141                          p_vout->p_sys->i_height_backup_2 );
1142
1143             /* Purge all ConfigureNotify events, this is needed to fix a bug
1144              * where we would lose the original size of the window */
1145             XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1146                           StructureNotifyMask, &xevent );
1147             while( xevent.type != ConfigureNotify )
1148                 XWindowEvent( p_vout->p_sys->p_display, p_vout->p_sys->window,
1149                               StructureNotifyMask, &xevent );
1150             while( XCheckWindowEvent( p_vout->p_sys->p_display,
1151                                       p_vout->p_sys->window,
1152                                       StructureNotifyMask, &xevent ) );
1153         }
1154     }
1155
1156     if( p_vout->p_sys->b_altfullscreen )
1157         XSetInputFocus(p_vout->p_sys->p_display,
1158                        p_vout->p_sys->window,
1159                        RevertToParent,
1160                        CurrentTime);
1161
1162     /* signal that the size needs to be updated */
1163     p_vout->p_sys->i_width = i_width;
1164     p_vout->p_sys->i_height = i_height;
1165     p_vout->i_changes |= VOUT_SIZE_CHANGE;
1166
1167 }
1168
1169 /*****************************************************************************
1170  * EnableXScreenSaver: enable screen saver
1171  *****************************************************************************
1172  * This function enables the screen saver on a display after it has been
1173  * disabled by XDisableScreenSaver.
1174  * FIXME: what happens if multiple vlc sessions are running at the same
1175  *        time ???
1176  *****************************************************************************/
1177 static void EnableXScreenSaver( vout_thread_t *p_vout )
1178 {
1179     int dummy;
1180
1181     XSetScreenSaver( p_vout->p_sys->p_display, p_vout->p_sys->i_ss_timeout,
1182                      p_vout->p_sys->i_ss_interval,
1183                      p_vout->p_sys->i_ss_blanking,
1184                      p_vout->p_sys->i_ss_exposure );
1185
1186     /* Restore DPMS settings */
1187     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1188     {
1189         if( p_vout->p_sys->b_ss_dpms )
1190         {
1191             DPMSEnable( p_vout->p_sys->p_display );
1192         }
1193     }
1194 }
1195
1196 /*****************************************************************************
1197  * DisableXScreenSaver: disable screen saver
1198  *****************************************************************************
1199  * See XEnableXScreenSaver
1200  *****************************************************************************/
1201 static void DisableXScreenSaver( vout_thread_t *p_vout )
1202 {
1203     int dummy;
1204
1205     /* Save screen saver informations */
1206     XGetScreenSaver( p_vout->p_sys->p_display, &p_vout->p_sys->i_ss_timeout,
1207                      &p_vout->p_sys->i_ss_interval,
1208                      &p_vout->p_sys->i_ss_blanking,
1209                      &p_vout->p_sys->i_ss_exposure );
1210
1211     /* Disable screen saver */
1212     XSetScreenSaver( p_vout->p_sys->p_display, 0,
1213                      p_vout->p_sys->i_ss_interval,
1214                      p_vout->p_sys->i_ss_blanking,
1215                      p_vout->p_sys->i_ss_exposure );
1216
1217     /* Disable DPMS */
1218     if( DPMSQueryExtension( p_vout->p_sys->p_display, &dummy, &dummy ) )
1219     {
1220         CARD16 dummy;
1221         /* Save DPMS current state */
1222         DPMSInfo( p_vout->p_sys->p_display, &dummy,
1223                   &p_vout->p_sys->b_ss_dpms );
1224         DPMSDisable( p_vout->p_sys->p_display );
1225    }
1226 }
1227
1228 /*****************************************************************************
1229  * CreateCursor: create a blank mouse pointer
1230  *****************************************************************************/
1231 static void CreateCursor( vout_thread_t *p_vout )
1232 {
1233     XColor cursor_color;
1234
1235     p_vout->p_sys->cursor_pixmap =
1236         XCreatePixmap( p_vout->p_sys->p_display,
1237                        DefaultRootWindow( p_vout->p_sys->p_display ),
1238                        1, 1, 1 );
1239
1240     XParseColor( p_vout->p_sys->p_display,
1241                  XCreateColormap( p_vout->p_sys->p_display,
1242                                   DefaultRootWindow(
1243                                                     p_vout->p_sys->p_display ),
1244                                   DefaultVisual(
1245                                                 p_vout->p_sys->p_display,
1246                                                 p_vout->p_sys->i_screen ),
1247                                   AllocNone ),
1248                  "black", &cursor_color );
1249
1250     p_vout->p_sys->blank_cursor =
1251         XCreatePixmapCursor( p_vout->p_sys->p_display,
1252                              p_vout->p_sys->cursor_pixmap,
1253                              p_vout->p_sys->cursor_pixmap,
1254                              &cursor_color, &cursor_color, 1, 1 );
1255 }
1256
1257 /*****************************************************************************
1258  * DestroyCursor: destroy the blank mouse pointer
1259  *****************************************************************************/
1260 static void DestroyCursor( vout_thread_t *p_vout )
1261 {
1262     XFreePixmap( p_vout->p_sys->p_display, p_vout->p_sys->cursor_pixmap );
1263 }
1264
1265 /*****************************************************************************
1266  * ToggleCursor: hide or show the mouse pointer
1267  *****************************************************************************
1268  * This function hides the X pointer if it is visible by setting the pointer
1269  * sprite to a blank one. To show it again, we disable the sprite.
1270  *****************************************************************************/
1271 static void ToggleCursor( vout_thread_t *p_vout )
1272 {
1273     if( p_vout->p_sys->b_mouse_pointer_visible )
1274     {
1275         XDefineCursor( p_vout->p_sys->p_display,
1276                        p_vout->p_sys->window,
1277                        p_vout->p_sys->blank_cursor );
1278         p_vout->p_sys->b_mouse_pointer_visible = 0;
1279     }
1280     else
1281     {
1282         XUndefineCursor( p_vout->p_sys->p_display, p_vout->p_sys->window );
1283         p_vout->p_sys->b_mouse_pointer_visible = 1;
1284     }
1285 }
1286