xcommon.c

VLC Player Source Code

            }
            p_vout->p_sys->last_date = last_date;
            p_pic->b_force = 1;
            p_pic->p_sys->nb_display = 1;
            vlc_mutex_unlock( &p_vout->picture_lock );
        }
        else
        {
            p_pic->p_sys->nb_display = 0;
            p_pic->b_force = 0;
        }
    }
    xvmc_context_reader_unlock( &p_vout->p_sys->xvmc_lock );
#endif

#ifdef HAVE_SYS_SHM_H
    if( p_vout->p_sys->i_shm_opcode )
    {
        /* Display rendered image using shared memory extension */
#   if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
        XvShmPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
                       p_vout->p_sys->p_win->video_window,
                       p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
                       p_vout->fmt_out.i_x_offset,
                       p_vout->fmt_out.i_y_offset,
                       p_vout->fmt_out.i_visible_width,
                       p_vout->fmt_out.i_visible_height,
                       0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height,
                       False /* Don't put True here or you'll waste your CPU */ );
#   else
        XShmPutImage( p_vout->p_sys->p_display,
                      p_vout->p_sys->p_win->video_window,
                      p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
                      p_vout->fmt_out.i_x_offset,
                      p_vout->fmt_out.i_y_offset,
                      0 /*dest_x*/, 0 /*dest_y*/,
                      p_vout->fmt_out.i_visible_width,
                      p_vout->fmt_out.i_visible_height,
                      False /* Don't put True here ! */ );
#   endif
    }
    else
#endif /* HAVE_SYS_SHM_H */
    {
        /* Use standard XPutImage -- this is gonna be slow ! */
#if defined(MODULE_NAME_IS_xvideo) || defined(MODULE_NAME_IS_xvmc)
        XvPutImage( p_vout->p_sys->p_display, p_vout->p_sys->i_xvport,
                    p_vout->p_sys->p_win->video_window,
                    p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
                    p_vout->fmt_out.i_x_offset,
                    p_vout->fmt_out.i_y_offset,
                    p_vout->fmt_out.i_visible_width,
                    p_vout->fmt_out.i_visible_height,
                    0 /*dest_x*/, 0 /*dest_y*/, i_width, i_height );
#else
        XPutImage( p_vout->p_sys->p_display,
                   p_vout->p_sys->p_win->video_window,
                   p_vout->p_sys->p_win->gc, p_pic->p_sys->p_image,
                   p_vout->fmt_out.i_x_offset,
                   p_vout->fmt_out.i_y_offset,
                   0 /*dest_x*/, 0 /*dest_y*/,
                   p_vout->fmt_out.i_visible_width,
                   p_vout->fmt_out.i_visible_height );
#endif
    }

    /* Make sure the command is sent now - do NOT use XFlush !*/
    XSync( p_vout->p_sys->p_display, False );

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

/*****************************************************************************
 * ManageVideo: handle X11 events
 *****************************************************************************
 * This function should be called regularly by video output thread. It manages
 * X11 events and allows window resizing. It returns a non null value on
 * error.
 *****************************************************************************/
static int ManageVideo( vout_thread_t *p_vout )
{
    XEvent      xevent;                                         /* X11 event */
    vlc_value_t val;

    vlc_mutex_lock( &p_vout->p_sys->lock );

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

    /* Handle events from the owner window */
    if( p_vout->p_sys->p_win->owner_window )
    {
        while( XCheckWindowEvent( p_vout->p_sys->p_display,
                                  p_vout->p_sys->p_win->owner_window,
                                  StructureNotifyMask, &xevent ) == True )
        {
            /* ConfigureNotify event: prepare  */
            if( xevent.type == ConfigureNotify )
            {
                /* Update dimensions */
                XResizeWindow( p_vout->p_sys->p_display,
                               p_vout->p_sys->p_win->base_window,
                               xevent.xconfigure.width,
                               xevent.xconfigure.height );
            }
        }
    }

    /* Handle X11 events: ConfigureNotify events are parsed to know if the
     * output window's size changed, MapNotify and UnmapNotify to know if the
     * window is mapped (and if the display is useful), and ClientMessages
     * to intercept window destruction requests */

    while( XCheckWindowEvent( p_vout->p_sys->p_display,
                              p_vout->p_sys->p_win->base_window,
                              StructureNotifyMask | KeyPressMask |
                              ButtonPressMask | ButtonReleaseMask |
                              PointerMotionMask | Button1MotionMask , &xevent )
           == True )
    {
        /* ConfigureNotify event: prepare  */
        if( xevent.type == ConfigureNotify )
        {
            if( (unsigned int)xevent.xconfigure.width
                   != p_vout->p_sys->p_win->i_width
              || (unsigned int)xevent.xconfigure.height
                    != p_vout->p_sys->p_win->i_height )
            {
                /* Update dimensions */
                p_vout->i_changes |= VOUT_SIZE_CHANGE;
                p_vout->p_sys->p_win->i_width = xevent.xconfigure.width;
                p_vout->p_sys->p_win->i_height = xevent.xconfigure.height;
            }
        }
        /* Keyboard event */
        else if( xevent.type == KeyPress )
        {
            unsigned int state = xevent.xkey.state;
            KeySym x_key_symbol;
            char i_key;                                   /* ISO Latin-1 key */

            /* We may have keys like F1 trough F12, ESC ... */
            x_key_symbol = XKeycodeToKeysym( p_vout->p_sys->p_display,
                                             xevent.xkey.keycode, 0 );
            val.i_int = ConvertKey( (int)x_key_symbol );

            xevent.xkey.state &= ~ShiftMask;
            xevent.xkey.state &= ~ControlMask;
            xevent.xkey.state &= ~Mod1Mask;

            if( !val.i_int &&
                XLookupString( &xevent.xkey, &i_key, 1, NULL, NULL ) )
            {
                /* "Normal Keys"
                 * The reason why I use this instead of XK_0 is that
                 * with XLookupString, we don't have to care about
                 * keymaps. */
                val.i_int = i_key;
            }

            if( val.i_int )
            {
                if( state & ShiftMask )
                {
                    val.i_int |= KEY_MODIFIER_SHIFT;
                }
                if( state & ControlMask )
                {
                    val.i_int |= KEY_MODIFIER_CTRL;
                }
                if( state & Mod1Mask )
                {
                    val.i_int |= KEY_MODIFIER_ALT;
                }
                var_Set( p_vout->p_libvlc, "key-pressed", val );
            }
        }
        /* Mouse click */
        else if( xevent.type == ButtonPress )
        {
            switch( ((XButtonEvent *)&xevent)->button )
            {
                case Button1:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int |= 1;
                    var_Set( p_vout, "mouse-button-down", val );

                    /* detect double-clicks */
                    if( ( ((XButtonEvent *)&xevent)->time -
                          p_vout->p_sys->i_time_button_last_pressed ) < 300 )
                    {
                        p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
                    }

                    p_vout->p_sys->i_time_button_last_pressed =
                        ((XButtonEvent *)&xevent)->time;
                    break;
                case Button2:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int |= 2;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;

                case Button3:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int |= 4;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;

                case Button4:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int |= 8;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;

                case Button5:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int |= 16;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;
            }
        }
        /* Mouse release */
        else if( xevent.type == ButtonRelease )
        {
            switch( ((XButtonEvent *)&xevent)->button )
            {
                case Button1:
                    {
                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int &= ~1;
                        var_Set( p_vout, "mouse-button-down", val );

                        val.b_bool = true;
                        var_Set( p_vout, "mouse-clicked", val );

                        vlc_value_t val; val.b_bool = false;
                        var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
                    }
                    break;

                case Button2:
                    {
                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int &= ~2;
                        var_Set( p_vout, "mouse-button-down", val );

                        var_Get( p_vout->p_libvlc, "intf-show", &val );
                        val.b_bool = !val.b_bool;
                        var_Set( p_vout->p_libvlc, "intf-show", val );
                    }
                    break;

                case Button3:
                    {
                        intf_thread_t *p_intf;

                        var_Get( p_vout, "mouse-button-down", &val );
                        val.i_int &= ~4;
                        var_Set( p_vout, "mouse-button-down", val );
                        p_intf = vlc_object_find( p_vout, VLC_OBJECT_INTF,
                                                          FIND_ANYWHERE );
                        if( p_intf )
                        {
                            p_intf->b_menu_change = 1;
                            vlc_object_release( p_intf );
                        }

                        vlc_value_t val; val.b_bool = true;
                        var_Set( p_vout->p_libvlc, "intf-popupmenu", val );
                    }
                    break;

                case Button4:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int &= ~8;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;

                case Button5:
                    var_Get( p_vout, "mouse-button-down", &val );
                    val.i_int &= ~16;
                    var_Set( p_vout, "mouse-button-down", val );
                    break;

            }
        }
        /* Mouse move */
        else if( xevent.type == MotionNotify )
        {
            unsigned int i_width, i_height, i_x, i_y;
            vlc_value_t val;

            /* somewhat different use for vout_PlacePicture:
             * here the values are needed to give to mouse coordinates
             * in the original picture space */
            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 );

            /* Compute the x coordinate and check if the value is
               in [0,p_vout->fmt_in.i_visible_width] */
            val.i_int = ( xevent.xmotion.x - i_x ) *
                p_vout->fmt_in.i_visible_width / i_width +
                p_vout->fmt_in.i_x_offset;

            if( (int)(xevent.xmotion.x - i_x) < 0 )
                val.i_int = 0;
            else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_width )
                val.i_int = p_vout->fmt_in.i_visible_width;

            var_Set( p_vout, "mouse-x", val );

            /* compute the y coordinate and check if the value is
               in [0,p_vout->fmt_in.i_visible_height] */
            val.i_int = ( xevent.xmotion.y - i_y ) *
                p_vout->fmt_in.i_visible_height / i_height +
                p_vout->fmt_in.i_y_offset;

            if( (int)(xevent.xmotion.y - i_y) < 0 )
                val.i_int = 0;
            else if( (unsigned int)val.i_int > p_vout->fmt_in.i_visible_height )
                val.i_int = p_vout->fmt_in.i_visible_height;

            var_Set( p_vout, "mouse-y", val );

            val.b_bool = true;
            var_Set( p_vout, "mouse-moved", val );

            p_vout->p_sys->i_time_mouse_last_moved = mdate();
            if( ! p_vout->p_sys->b_mouse_pointer_visible )
            {
                ToggleCursor( p_vout );
            }
        }
        else if( xevent.type == ReparentNotify /* XXX: why do we get this? */
                  || xevent.type == MapNotify
                  || xevent.type == UnmapNotify )
        {
            /* Ignore these events */
        }
        else /* Other events */
        {
            msg_Warn( p_vout, "unhandled event %d received", xevent.type );
        }
    }

    /* Handle events for video output sub-window */
    while( XCheckWindowEvent( p_vout->p_sys->p_display,
                              p_vout->p_sys->p_win->video_window,
                              ExposureMask, &xevent ) == True )
    {
        /* Window exposed (only handled if stream playback is paused) */
        if( xevent.type == Expose )