xcommon.c

VLC Player Source Code

        {
            if( ((XExposeEvent *)&xevent)->count == 0 )
            {
                /* (if this is the last a collection of expose events...) */

#if defined(MODULE_NAME_IS_xvideo)
                x11_window_t *p_win = p_vout->p_sys->p_win;

                /* Paint the colour key if needed */
                if( p_vout->p_sys->b_paint_colourkey &&
                    xevent.xexpose.window == p_win->video_window )
                {
                    XSetForeground( p_vout->p_sys->p_display,
                                    p_win->gc, p_vout->p_sys->i_colourkey );
                    XFillRectangle( p_vout->p_sys->p_display,
                                    p_win->video_window, p_win->gc, 0, 0,
                                    p_win->i_width, p_win->i_height );
                }
#endif

#if 0
                if( p_vout->p_libvlc->p_input_bank->pp_input[0] != NULL )
                {
                    if( PAUSE_S == p_vout->p_libvlc->p_input_bank->pp_input[0]
                                                   ->stream.control.i_status )
                    {
                        /* XVideoDisplay( p_vout )*/;
                    }
                }
#endif
            }
        }
    }

    /* ClientMessage event - only WM_PROTOCOLS with WM_DELETE_WINDOW data
     * are handled - according to the man pages, the format is always 32
     * in this case */
    while( XCheckTypedEvent( p_vout->p_sys->p_display,
                             ClientMessage, &xevent ) )
    {
        if( (xevent.xclient.message_type == p_vout->p_sys->p_win->wm_protocols)
               && ((Atom)xevent.xclient.data.l[0]
                     == p_vout->p_sys->p_win->wm_delete_window ) )
        {
            /* the user wants to close the window */
            playlist_t * p_playlist = pl_Yield( p_vout );
            if( p_playlist != NULL )
            {
                playlist_Stop( p_playlist );
                pl_Release( p_vout );
            }
        }
    }

    /*
     * Fullscreen Change
     */
    if ( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE )
    {
        /* Update the object variable and trigger callback */
        var_SetBool( p_vout, "fullscreen", !p_vout->b_fullscreen );

        ToggleFullScreen( p_vout );
        p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
    }

    if( p_vout->i_changes & VOUT_CROP_CHANGE ||
        p_vout->i_changes & VOUT_ASPECT_CHANGE )
    {
        p_vout->i_changes &= ~VOUT_CROP_CHANGE;
        p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;

        p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
        p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
        p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
        p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
        p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
        p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
        p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
        p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;

        p_vout->i_changes |= VOUT_SIZE_CHANGE;
    }

    /*
     * Size change
     *
     * (Needs to be placed after VOUT_FULLSREEN_CHANGE because we can activate
     *  the size flag inside the fullscreen routine)
     */
    if( p_vout->i_changes & VOUT_SIZE_CHANGE )
    {
        unsigned int i_width, i_height, i_x, i_y;

        p_vout->i_changes &= ~VOUT_SIZE_CHANGE;

#ifdef MODULE_NAME_IS_x11
        /* We need to signal the vout thread about the size change because it
         * is doing the rescaling */
        p_vout->i_changes |= VOUT_SIZE_CHANGE;
#endif

        vout_PlacePicture( p_vout, p_vout->p_sys->p_win->i_width,
                           p_vout->p_sys->p_win->i_height,
                           &i_x, &i_y, &i_width, &i_height );

        XMoveResizeWindow( p_vout->p_sys->p_display,
                           p_vout->p_sys->p_win->video_window,
                           i_x, i_y, i_width, i_height );
    }

    /* Autohide Cursour */
    if( mdate() - p_vout->p_sys->i_time_mouse_last_moved >
        p_vout->p_sys->i_mouse_hide_timeout )
    {
        /* Hide the mouse automatically */
        if( p_vout->p_sys->b_mouse_pointer_visible )
        {
            ToggleCursor( p_vout );
        }
    }

#ifdef MODULE_NAME_IS_xvmc
    xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
#endif

#ifdef HAVE_OSSO
    if ( p_vout->p_sys->p_octx != NULL ) {
        if ( p_vout->p_sys->i_backlight_on_counter == i_backlight_on_interval ) {
            if ( osso_display_blanking_pause( p_vout->p_sys->p_octx ) != OSSO_OK ) {
                msg_Err( p_vout, "Could not disable backlight blanking" );
        } else {
                msg_Dbg( p_vout, "Backlight blanking disabled" );
            }
            p_vout->p_sys->i_backlight_on_counter = 0;
        } else {
            p_vout->p_sys->i_backlight_on_counter ++;
        }
    }
#endif

    vlc_mutex_unlock( &p_vout->p_sys->lock );
    return 0;
}

/*****************************************************************************
 * EndVideo: terminate X11 video thread output method
 *****************************************************************************
 * Destroy the X11 XImages created by Init. It is called at the end of
 * the thread, but also each time the window is resized.
 *****************************************************************************/
static void EndVideo( vout_thread_t *p_vout )
{
    int i_index;

    /* Free the direct buffers we allocated */
    for( i_index = I_OUTPUTPICTURES ; i_index ; )
    {
        i_index--;
        FreePicture( p_vout, PP_OUTPUTPICTURE[ i_index ] );
    }
}

/* following functions are local */

/*****************************************************************************
 * CreateWindow: open and set-up X11 main window
 *****************************************************************************/
static int CreateWindow( vout_thread_t *p_vout, x11_window_t *p_win )
{
    XSizeHints              xsize_hints;
    XSetWindowAttributes    xwindow_attributes;
    XGCValues               xgcvalues;
    XEvent                  xevent;

    bool              b_expose = false;
    bool              b_configure_notify = false;
    bool              b_map_notify = false;
    vlc_value_t             val;

    /* Prepare window manager hints and properties */
    p_win->wm_protocols =
             XInternAtom( p_vout->p_sys->p_display, "WM_PROTOCOLS", True );
    p_win->wm_delete_window =
             XInternAtom( p_vout->p_sys->p_display, "WM_DELETE_WINDOW", True );

    /* Never have a 0-pixel-wide window */
    xsize_hints.min_width = 2;
    xsize_hints.min_height = 1;

    /* Prepare window attributes */
    xwindow_attributes.backing_store = Always;       /* save the hidden part */
    xwindow_attributes.background_pixel = BlackPixel(p_vout->p_sys->p_display,
                                                     p_vout->p_sys->i_screen);
    xwindow_attributes.event_mask = ExposureMask | StructureNotifyMask;

    if( !p_vout->b_fullscreen )
    {
        void *ptr = vout_RequestWindow( p_vout, &p_win->i_x, &p_win->i_y,
                                        &p_win->i_width, &p_win->i_height );
        p_win->owner_window = (uintptr_t)ptr;
        xsize_hints.base_width  = xsize_hints.width = p_win->i_width;
        xsize_hints.base_height = xsize_hints.height = p_win->i_height;
        xsize_hints.flags       = PSize | PMinSize;

        if( p_win->i_x >=0 || p_win->i_y >= 0 )
        {
            xsize_hints.x = p_win->i_x;
            xsize_hints.y = p_win->i_y;
            xsize_hints.flags |= PPosition;
        }
    }
    else
    {
        /* Fullscreen window size and position */
        p_win->owner_window = 0;
        p_win->i_x = p_win->i_y = 0;
        p_win->i_width =
            DisplayWidth( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
        p_win->i_height =
            DisplayHeight( p_vout->p_sys->p_display, p_vout->p_sys->i_screen );
    }

    if( !p_win->owner_window )
    {
        /* Create the window and set hints - the window must receive
         * ConfigureNotify events, and until it is displayed, Expose and
         * MapNotify events. */

        p_win->base_window =
            XCreateWindow( p_vout->p_sys->p_display,
                           DefaultRootWindow( p_vout->p_sys->p_display ),
                           p_win->i_x, p_win->i_y,
                           p_win->i_width, p_win->i_height,
                           0,
                           0, InputOutput, 0,
                           CWBackingStore | CWBackPixel | CWEventMask,
                           &xwindow_attributes );

        var_Get( p_vout, "video-title", &val );
        if( !val.psz_string || !*val.psz_string )
        {
            XStoreName( p_vout->p_sys->p_display, p_win->base_window,
#ifdef MODULE_NAME_IS_x11
                        VOUT_TITLE " (X11 output)"
#elif defined(MODULE_NAME_IS_glx)
                        VOUT_TITLE " (GLX output)"
#else
                        VOUT_TITLE " (XVideo output)"
#endif
              );
        }
        else
        {
            XStoreName( p_vout->p_sys->p_display,
                        p_win->base_window, val.psz_string );
        }
        free( val.psz_string );

        if( !p_vout->b_fullscreen )
        {
            const char *argv[] = { "vlc", NULL };

            /* Set window manager hints and properties: size hints, command,
             * window's name, and accepted protocols */
            XSetWMNormalHints( p_vout->p_sys->p_display,
                               p_win->base_window, &xsize_hints );
            XSetCommand( p_vout->p_sys->p_display, p_win->base_window,
                         (char**)argv, 1 );

            if( !var_GetBool( p_vout, "video-deco") )
            {
                Atom prop;
                mwmhints_t mwmhints;

                mwmhints.flags = MWM_HINTS_DECORATIONS;
                mwmhints.decorations = False;

                prop = XInternAtom( p_vout->p_sys->p_display, "_MOTIF_WM_HINTS",
                                    False );

                XChangeProperty( p_vout->p_sys->p_display,
                                 p_win->base_window,
                                 prop, prop, 32, PropModeReplace,
                                 (unsigned char *)&mwmhints,
                                 PROP_MWM_HINTS_ELEMENTS );
            }
        }
    }
    else
    {
        Window dummy1;
        int dummy2, dummy3;
        unsigned int dummy4, dummy5;

        /* Select events we are interested in. */
        XSelectInput( p_vout->p_sys->p_display, p_win->owner_window,
                      StructureNotifyMask );

        /* Get the parent window's geometry information */
        XGetGeometry( p_vout->p_sys->p_display, p_win->owner_window,
                      &dummy1, &dummy2, &dummy3,
                      &p_win->i_width,
                      &p_win->i_height,
                      &dummy4, &dummy5 );

        /* We are already configured */
        b_configure_notify = true;

        /* From man XSelectInput: only one client at a time can select a
         * ButtonPress event, so we need to open a new window anyway. */
        p_win->base_window =
            XCreateWindow( p_vout->p_sys->p_display,
                           p_win->owner_window,
                           0, 0,
                           p_win->i_width, p_win->i_height,
                           0,
                           0, CopyFromParent, 0,
                           CWBackingStore | CWBackPixel | CWEventMask,
                           &xwindow_attributes );
    }

    if( (p_win->wm_protocols == None)        /* use WM_DELETE_WINDOW */
        || (p_win->wm_delete_window == None)
        || !XSetWMProtocols( p_vout->p_sys->p_display, p_win->base_window,
                             &p_win->wm_delete_window, 1 ) )
    {
        /* WM_DELETE_WINDOW is not supported by window manager */
        msg_Warn( p_vout, "missing or bad window manager" );
    }

    /* Creation of a graphic context that doesn't generate a GraphicsExpose
     * event when using functions like XCopyArea */
    xgcvalues.graphics_exposures = False;
    p_win->gc = XCreateGC( p_vout->p_sys->p_display,
                           p_win->base_window,
                           GCGraphicsExposures, &xgcvalues );

    /* Send orders to server, and wait until window is displayed - three
     * events must be received: a MapNotify event, an Expose event allowing
     * drawing in the window, and a ConfigureNotify to get the window
     * dimensions. Once those events have been received, only
     * ConfigureNotify events need to be received. */
    XMapWindow( p_vout->p_sys->p_display, p_win->base_window );
    do
    {
        XWindowEvent( p_vout->p_sys->p_display, p_win->base_window,
                      SubstructureNotifyMask | StructureNotifyMask |
                      ExposureMask, &xevent);
        if( (xevent.type == Expose)
            && (xevent.xexpose.