Exemplo n.º 1
0
static void check_button_toggled(GtkWidget *widget, gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    gint attribute, enabled;
    gchar *str;
    
    user_data = g_object_get_data(G_OBJECT(widget), "xvideo_attribute");
    attribute = GPOINTER_TO_INT(user_data);

    enabled = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
    
    NvCtrlSetAttribute(ctk_xvideo->handle, attribute, enabled);
    
    switch (attribute) {
    case NV_CTRL_ATTR_XV_TEXTURE_SYNC_TO_VBLANK:
        str = "Texture Sync To VBlank"; break;
    case NV_CTRL_ATTR_XV_BLITTER_SYNC_TO_VBLANK:
        str = "Blitter Sync To VBlank"; break;

    default:
        return;
    }
    sensitize_radio_buttons(ctk_xvideo);
    post_check_button_toggled(ctk_xvideo, str, enabled);
} /* check_button_toggled() */
Exemplo n.º 2
0
/*
 * Handles NV_CTRL_ENABLED_DISPLAYS events and updates
 * the list of displays in the UI.
 */
static void  enabled_displays_handler(GObject *object, gpointer arg1,
                                      gpointer user_data)
{
     CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);

     xv_sync_to_display_rebuild_buttons(ctk_xvideo, TRUE);
}
Exemplo n.º 3
0
static void slider_changed(GtkAdjustment *adjustment, gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    gint attribute, value;
    gchar *str;
    
    user_data = g_object_get_data(G_OBJECT(adjustment), "xvideo_attribute");
    attribute = GPOINTER_TO_INT(user_data);
    value = (gint) adjustment->value;
    
    NvCtrlSetAttribute(ctk_xvideo->handle, attribute, value);

    switch (attribute) {
    case NV_CTRL_ATTR_XV_OVERLAY_SATURATION: str = "Overlay Saturation"; break;
    case NV_CTRL_ATTR_XV_OVERLAY_CONTRAST:   str = "Overlay Contrast";   break;
    case NV_CTRL_ATTR_XV_OVERLAY_BRIGHTNESS: str = "Overlay Brightness"; break;
    case NV_CTRL_ATTR_XV_OVERLAY_HUE:        str = "Overlay Hue";        break;
    case NV_CTRL_ATTR_XV_TEXTURE_CONTRAST:   str = "Texture Contrast";   break;
    case NV_CTRL_ATTR_XV_TEXTURE_BRIGHTNESS: str = "Texture Brightness"; break;
    case NV_CTRL_ATTR_XV_TEXTURE_HUE:        str = "Texture Hue";        break;
    case NV_CTRL_ATTR_XV_TEXTURE_SATURATION: str = "Texture Saturation"; break;

    default:
        return;
    }
    
    ctk_config_statusbar_message(ctk_xvideo->ctk_config,
                                 "Set XVideo %s to %d.", str, value);
    
} /* slider_changed() */
Exemplo n.º 4
0
static void xv_sync_to_display_update_received(GtkObject *object, 
                                               gpointer arg1,
                                               gpointer user_data)
{
    CtkEventStruct *event_struct = (CtkEventStruct *) arg1;
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    gint i;
    GtkWidget *b;
    
    switch (event_struct->attribute) {
    case NV_CTRL_XV_SYNC_TO_DISPLAY:
        for (i = 0; i < 24; i++) {
            b = ctk_xvideo->xv_sync_to_display_buttons[i];
            if (!b) continue;
            user_data = g_object_get_data(G_OBJECT(b), "xv_sync_to_display");
            
            if (GPOINTER_TO_INT(user_data) == event_struct->value) {
                xv_sync_to_display_update_radio_buttons(ctk_xvideo, i);
                break;
            }
        }
        break;
        
    default:
        break;
    }
    
} /* xv_sync_to_display_update_received() */
Exemplo n.º 5
0
static void reset_defaults(GtkButton *button, gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    
    /*
     * XXX should we expose separate buttons for each adaptor's
     * defaults?
     */
    
    NvCtrlSetAttribute(ctk_xvideo->handle,
                       NV_CTRL_ATTR_XV_OVERLAY_SET_DEFAULTS, 1);

    NvCtrlSetAttribute(ctk_xvideo->handle,
                       NV_CTRL_ATTR_XV_TEXTURE_SET_DEFAULTS, 1);
    
    NvCtrlSetAttribute(ctk_xvideo->handle,
                       NV_CTRL_ATTR_XV_BLITTER_SET_DEFAULTS, 1);
    

    reset_slider(ctk_xvideo, ctk_xvideo->overlay_saturation,
                 NV_CTRL_ATTR_XV_OVERLAY_SATURATION);
    
    reset_slider(ctk_xvideo, ctk_xvideo->overlay_contrast,
                 NV_CTRL_ATTR_XV_OVERLAY_CONTRAST);
    
    reset_slider(ctk_xvideo, ctk_xvideo->overlay_brightness,
                 NV_CTRL_ATTR_XV_OVERLAY_BRIGHTNESS);
    
    reset_slider(ctk_xvideo, ctk_xvideo->overlay_hue,
                 NV_CTRL_ATTR_XV_OVERLAY_HUE);

    reset_check_button(ctk_xvideo, ctk_xvideo->texture_sync_to_blank,
                       NV_CTRL_ATTR_XV_TEXTURE_SYNC_TO_VBLANK);
    
    reset_slider(ctk_xvideo, ctk_xvideo->texture_contrast,
                 NV_CTRL_ATTR_XV_TEXTURE_CONTRAST);
    
    reset_slider(ctk_xvideo, ctk_xvideo->texture_brightness,
                 NV_CTRL_ATTR_XV_TEXTURE_BRIGHTNESS);

    reset_slider(ctk_xvideo, ctk_xvideo->texture_hue,
                 NV_CTRL_ATTR_XV_TEXTURE_HUE);

    reset_slider(ctk_xvideo, ctk_xvideo->texture_saturation,
                 NV_CTRL_ATTR_XV_TEXTURE_SATURATION);


    reset_check_button(ctk_xvideo, ctk_xvideo->blitter_sync_to_blank,
                       NV_CTRL_ATTR_XV_BLITTER_SYNC_TO_VBLANK);
    

    gtk_widget_set_sensitive(GTK_WIDGET(button), FALSE);

    ctk_config_statusbar_message
        (CTK_CONFIG(ctk_xvideo->ctk_config),
         "Reset XVideo hardware defaults.");
}
Exemplo n.º 6
0
/*
 * Handler for NV_CTRL_XV_SYNC_TO_DISPLAY_ID events.
 */
static void xv_sync_to_display_id_handler(GObject *object,
                                          CtrlEvent *event,
                                          gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);

    if (event->type != CTRL_EVENT_TYPE_INTEGER_ATTRIBUTE) {
        return;
    }

    /*
     * Find and enable the button for the correct display id, otherwise enable
     * the unspecified option.
     */
    if (!xv_sync_to_display_enable_index(ctk_xvideo, event->int_attr.value))
    {
        xv_sync_to_display_enable_index(ctk_xvideo,
                                        NV_CTRL_XV_SYNC_TO_DISPLAY_ID_AUTO);
    }
}
Exemplo n.º 7
0
/*
 * nv_ctrl_enabled_displays()
 */
static void  nv_ctrl_enabled_displays(GtkObject *object, gpointer arg1,
                                      gpointer user_data)
{
     CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
     CtkEventStruct *event_struct = (CtkEventStruct *) arg1;
     int i, enabled, prev_enabled = 0;
     int remove_devices_mask, add_devices_mask;
     unsigned int mask;
     gpointer udata;
     GtkWidget *b;

     enabled = event_struct->value;
     /*  Extract the previous value. */
     for ( i = 0; i < 24; i++) {
        b = ctk_xvideo->xv_sync_to_display_buttons[i];
        if (b == NULL) continue;
        udata = g_object_get_data(G_OBJECT(b),
                                  "xv_sync_to_display");
        
        prev_enabled |= GPOINTER_TO_INT(udata);
     }
     
     /* Remove devices that were previously enabled but are no
      * longer enabled. */
     remove_devices_mask = (prev_enabled & (~enabled));

     /* Add devices that were not previously enabled */
     add_devices_mask = (enabled & (~prev_enabled));
     prev_enabled =  enabled;
     for (mask = 1; mask; mask <<= 1) {
        if (mask & add_devices_mask)
            xv_sync_to_display_radio_button_enabled_add(ctk_xvideo, mask);
        
        if (mask & remove_devices_mask)
            xv_sync_to_display_radio_button_remove(ctk_xvideo, mask);
     }
     sensitize_radio_buttons(ctk_xvideo);
     gtk_widget_show_all(ctk_xvideo->xv_sync_to_display_button_box);
} /* nv_ctrl_enabled_displays() */
Exemplo n.º 8
0
/*
 * xv_sync_to_display_id_toggled() - callback function for changes to the
 * sync_to_display radio button group; if the specified radio button is
 * active, send xv_sync_to_display state to the server
 */
static void xv_sync_to_display_id_toggled(GtkWidget *widget,
                                          gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    CtrlTarget *ctrl_target = ctk_xvideo->ctrl_target;
    gboolean enabled;
    gint device_id;

    enabled = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
    if (!enabled) {
        /* Ignore 'disable' events. */
        return;
    }

    user_data = g_object_get_data(G_OBJECT(widget), "display_id");

    device_id = GPOINTER_TO_INT(user_data);

    NvCtrlSetAttribute(ctrl_target, NV_CTRL_XV_SYNC_TO_DISPLAY_ID, device_id);

    post_xv_sync_to_display_update(ctk_xvideo, widget);
}
Exemplo n.º 9
0
/*
 * Handler for NV_CTRL_CURRENT_XV_SYNC_TO_DISPLAY_ID events.
 */
static void current_xv_sync_to_display_id_handler(GObject *object,
                                                  CtrlEvent *event,
                                                  gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    gchar *current_sync_name;

    if (event->type != CTRL_EVENT_TYPE_INTEGER_ATTRIBUTE) {
        return;
    }

    /*
     * Find and enable the button for the correct display id, otherwise enable
     * the unspecified option.
     */
    current_sync_name =
        xv_sync_to_display_radio_button_label(ctk_xvideo, event->int_attr.value);

    gtk_label_set_text(GTK_LABEL(ctk_xvideo->current_xv_sync_to_display_label),
                       current_sync_name);
    g_free(current_sync_name);
}
Exemplo n.º 10
0
static void xv_sync_to_display_changed(GtkWidget *widget, gpointer user_data)
{
    CtkXVideo *ctk_xvideo = CTK_XVIDEO(user_data);
    gboolean enabled;
    gint value;
    gchar *label;

    enabled = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));

    if (enabled) {

        user_data = g_object_get_data(G_OBJECT(widget), "xv_sync_to_display");
        
        value = GPOINTER_TO_INT(user_data);
        
        NvCtrlSetAttribute(ctk_xvideo->handle,
                           NV_CTRL_XV_SYNC_TO_DISPLAY, value);
                           
        gtk_label_get(GTK_LABEL(GTK_BIN(widget)->child), &label);

        post_xv_sync_to_display_changed(ctk_xvideo, enabled, label);
     }
}/* xv_sync_to_display_changed() */
Exemplo n.º 11
0
GtkWidget* ctk_xvideo_new(NvCtrlAttributeHandle *handle,
                          CtkConfig *ctk_config,
                          CtkEvent *ctk_event)
{
    GObject *object;
    CtkXVideo *ctk_xvideo;
    GtkWidget *banner;
    GtkWidget *frame;
    GtkWidget *alignment;
    GtkWidget *hbox;
    GtkWidget *label;
    GtkWidget *vbox;
    GtkWidget *button;
    int sync_mask;
    int xv_overlay_present, xv_texture_present, xv_blitter_present;
    ReturnStatus ret;

    /*
     * before we do anything else, determine if any of the Xv adapters
     * are present
     */
    
    ret = NvCtrlGetAttribute(handle, NV_CTRL_ATTR_EXT_XV_OVERLAY_PRESENT,
                             &xv_overlay_present);
    
    if (ret != NvCtrlSuccess) xv_overlay_present = FALSE;
    
    ret = NvCtrlGetAttribute(handle, NV_CTRL_ATTR_EXT_XV_TEXTURE_PRESENT,
                             &xv_texture_present);

    if (ret != NvCtrlSuccess) xv_texture_present = FALSE;
    
    ret = NvCtrlGetAttribute(handle, NV_CTRL_ATTR_EXT_XV_BLITTER_PRESENT,
                             &xv_blitter_present);
    
    if (ret != NvCtrlSuccess) xv_blitter_present = FALSE;
    
    if (!xv_overlay_present && !xv_texture_present && !xv_blitter_present) {
        return NULL;
    }
    
    
    /* create the XVideo widget */
    
    object = g_object_new(CTK_TYPE_XVIDEO, NULL);
    ctk_xvideo = CTK_XVIDEO(object);
    
    ctk_xvideo->handle = handle;
    ctk_xvideo->ctk_config = ctk_config;
    ctk_xvideo->active_attributes = 0;
    
    gtk_box_set_spacing(GTK_BOX(ctk_xvideo), 10);
    
    
    /* Create button, but don't pack it, yet */

    label = gtk_label_new("Reset Hardware Defaults");
    hbox = gtk_hbox_new(FALSE, 0);
    button = gtk_button_new();

    gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 15);
    gtk_container_add(GTK_CONTAINER(button), hbox);
    
    g_signal_connect(G_OBJECT(button), "clicked",
                     G_CALLBACK(reset_defaults), (gpointer) ctk_xvideo);
    
    ctk_config_set_tooltip(ctk_config, button, __reset_button_help);
    
    /* Video film banner */
    
    banner = ctk_banner_image_new(BANNER_ARTWORK_XVIDEO);
    gtk_box_pack_start(GTK_BOX(object), banner, FALSE, FALSE, 0);

    
    /* XVideo Overlay sliders */
    
    if (xv_overlay_present) {
        
        frame = gtk_frame_new("Video Overlay Adaptor");
        gtk_box_pack_start(GTK_BOX(object), frame, FALSE, FALSE, 0);
        
        vbox = gtk_vbox_new(FALSE, 5);
        gtk_container_set_border_width(GTK_CONTAINER(vbox), FRAME_PADDING);
        gtk_container_add(GTK_CONTAINER(frame), vbox);
        
        ctk_xvideo->overlay_saturation =
            create_slider(ctk_xvideo, vbox, button, "Saturation",
                          __xv_overlay_saturation_help,
                          NV_CTRL_ATTR_XV_OVERLAY_SATURATION,
                          __XV_OVERLAY_SATURATION);
        
        ctk_xvideo->overlay_contrast =
            create_slider(ctk_xvideo, vbox, button, "Contrast",
                          __xv_overlay_contrast_help,
                          NV_CTRL_ATTR_XV_OVERLAY_CONTRAST,
                          __XV_OVERLAY_CONTRAST);
        
        ctk_xvideo->overlay_brightness =
            create_slider(ctk_xvideo, vbox, button, "Brightness",
                          __xv_overlay_brightness_help,
                          NV_CTRL_ATTR_XV_OVERLAY_BRIGHTNESS,
                          __XV_OVERLAY_BRIGHTNESS);
        
        ctk_xvideo->overlay_hue =
            create_slider(ctk_xvideo, vbox, button, "Hue",
                          __xv_overlay_hue_help,
                          NV_CTRL_ATTR_XV_OVERLAY_HUE,
                          __XV_OVERLAY_HUE);
    }

    /* XVideo Texture */

    if (xv_texture_present) {
        
        frame = gtk_frame_new("Video Texture Adaptor");
        gtk_box_pack_start(GTK_BOX(object), frame, FALSE, FALSE, 0);
        
        vbox = gtk_vbox_new(FALSE, 5);
        gtk_container_set_border_width(GTK_CONTAINER(vbox), FRAME_PADDING);
        gtk_container_add(GTK_CONTAINER(frame), vbox);
        
        ctk_xvideo->texture_sync_to_blank =
            create_check_button(ctk_xvideo, vbox, button, "Sync to VBlank",
                                __xv_texture_sync_to_vblank_help,
                                NV_CTRL_ATTR_XV_TEXTURE_SYNC_TO_VBLANK,
                                __XV_TEXTURE_SYNC_TO_VBLANK);
        
        ctk_xvideo->texture_brightness =
            create_slider(ctk_xvideo, vbox, button, "Brightness",
                          __xv_texture_brightness_help,
                          NV_CTRL_ATTR_XV_TEXTURE_BRIGHTNESS,
                          __XV_TEXTURE_BRIGHTNESS);
        
        ctk_xvideo->texture_contrast =
            create_slider(ctk_xvideo, vbox, button, "Contrast",
                          __xv_texture_contrast_help,
                          NV_CTRL_ATTR_XV_TEXTURE_CONTRAST,
                          __XV_TEXTURE_CONTRAST);

        ctk_xvideo->texture_hue =
            create_slider(ctk_xvideo, vbox, button, "Hue",
                          __xv_texture_hue_help,
                          NV_CTRL_ATTR_XV_TEXTURE_HUE,
                          __XV_TEXTURE_HUE);
        
        ctk_xvideo->texture_saturation =
            create_slider(ctk_xvideo, vbox, button, "Saturation",
                          __xv_texture_saturation_help,
                          NV_CTRL_ATTR_XV_TEXTURE_SATURATION,
                          __XV_TEXTURE_SATURATION);
    
    }
    
    /* XVideo Blitter */

    if (xv_blitter_present) {

        frame = gtk_frame_new("Video Blitter Adaptor Settings");
        gtk_box_pack_start(GTK_BOX(object), frame, FALSE, FALSE, 0);
        
        vbox = gtk_vbox_new(FALSE, 5);
        gtk_container_set_border_width(GTK_CONTAINER(vbox), FRAME_PADDING);
        gtk_container_add(GTK_CONTAINER(frame), vbox);
        
        ctk_xvideo->blitter_sync_to_blank =
            create_check_button(ctk_xvideo,
                                vbox,
                                button,
                                "Sync to VBlank",
                                __xv_blitter_sync_to_vblank_help,
                                NV_CTRL_ATTR_XV_BLITTER_SYNC_TO_VBLANK,
                                __XV_BLITTER_SYNC_TO_VBLANK);

    }

    /* Sync to display selection */
    if (xv_texture_present || xv_blitter_present) {
        ret = NvCtrlGetAttribute(handle,
                                 NV_CTRL_XV_SYNC_TO_DISPLAY,
                                 &sync_mask);
        if (ret == NvCtrlSuccess) {
            int enabled;
            ret = NvCtrlGetAttribute(handle, 
                                     NV_CTRL_ENABLED_DISPLAYS,
                                     &enabled);
            if (ret == NvCtrlSuccess) {

                GtkWidget *radio[24], *prev_radio;
                int i, n, current = -1, mask;
                char *name, *type;
                gchar *name_str;
                frame = gtk_frame_new("Sync to this display device");
                gtk_box_pack_start(GTK_BOX(object), frame, FALSE, FALSE, 0);

                vbox = gtk_vbox_new(FALSE, 5);
                gtk_container_set_border_width(GTK_CONTAINER(vbox), FRAME_PADDING);
                gtk_container_add(GTK_CONTAINER(frame), vbox);
                ctk_xvideo->xv_sync_to_display_button_box = vbox;

                for (n=0, i = 0; i < 24; i++) {

                    mask = 1 << i;
                    if (!(enabled & mask)) continue;

                    /* get the name of the display device */

                    ret = NvCtrlGetStringDisplayAttribute(handle, mask,
                                              NV_CTRL_STRING_DISPLAY_DEVICE_NAME,
                                              &name);

                    if ((ret != NvCtrlSuccess) || (!name)) {
                        name = g_strdup("Unknown");
                    }

                    /* get the display device type */

                    type = display_device_mask_to_display_device_name(mask);

                    name_str = g_strdup_printf("%s (%s)", name, type);
                    XFree(name);
                    free(type);

                    if (n==0) {
                        prev_radio = NULL;
                    } else {
                        prev_radio = radio[n-1];
                    } 
                    radio[n] = xv_sync_to_display_radio_button_add(ctk_xvideo, 
                                                                   prev_radio,
                                                                   name_str,
                                                                   mask, n);
                    g_free(name_str);
                    ctk_config_set_tooltip(ctk_config, radio[n],
                                           __xv_sync_to_display_help);    

                    if (mask == sync_mask) {
                        current = n;
                    }

                    n++;
                    ctk_xvideo->active_attributes |= __XV_SYNC_TO_DISPLAY;
                }

                g_signal_connect(G_OBJECT(ctk_event),
                                 CTK_EVENT_NAME(NV_CTRL_XV_SYNC_TO_DISPLAY),
                                 G_CALLBACK(xv_sync_to_display_update_received),
                                 (gpointer) ctk_xvideo);
                g_signal_connect(G_OBJECT(ctk_event),
                                 CTK_EVENT_NAME(NV_CTRL_ENABLED_DISPLAYS),
                                 G_CALLBACK(nv_ctrl_enabled_displays),
                                 (gpointer) ctk_xvideo);
                sensitize_radio_buttons(ctk_xvideo);

                if (current != -1)
                    xv_sync_to_display_update_radio_buttons(ctk_xvideo, current);

            }
        }
    }
    
    /* Reset button */

    sensitize_radio_buttons(ctk_xvideo);
    alignment = gtk_alignment_new(1, 1, 0, 0);
    gtk_container_add(GTK_CONTAINER(alignment), button);
    gtk_box_pack_start(GTK_BOX(object), alignment, TRUE, TRUE, 0);
    
    /* finally, show the widget */

    gtk_widget_show_all(GTK_WIDGET(ctk_xvideo));

    return GTK_WIDGET(ctk_xvideo);
    
} /* ctk_xvideo_new() */
Exemplo n.º 12
0
/*
 * ctk_xvideo_new() - constructor for the XVideo widget
 */
GtkWidget* ctk_xvideo_new(CtrlTarget *ctrl_target,
                          CtkConfig *ctk_config,
                          CtkEvent *ctk_event)
{
    GObject *object;
    CtkXVideo *ctk_xvideo;
    GtkWidget *banner;
    GtkWidget *frame;
    GtkWidget *alignment;
    GtkWidget *vbox;
    GtkWidget *hbox;
    GtkWidget *label;
    GtkWidget *hseparator;
    int xv_overlay_present, xv_texture_present, xv_blitter_present;
    int display_id;
    gboolean show_page;
    ReturnStatus ret;
    gchar *current_sync_name;

    /*
     * before we do anything else, determine if any of the Xv adapters
     * are present
     */

    ret = NvCtrlGetAttribute(ctrl_target, NV_CTRL_ATTR_EXT_XV_OVERLAY_PRESENT,
                             &xv_overlay_present);
    if (ret != NvCtrlSuccess) {
        xv_overlay_present = FALSE;
    }

    ret = NvCtrlGetAttribute(ctrl_target, NV_CTRL_ATTR_EXT_XV_TEXTURE_PRESENT,
                             &xv_texture_present);
    if (ret != NvCtrlSuccess) {
        xv_texture_present = FALSE;
    }

    ret = NvCtrlGetAttribute(ctrl_target, NV_CTRL_ATTR_EXT_XV_BLITTER_PRESENT,
                             &xv_blitter_present);
    if (ret != NvCtrlSuccess) {
        xv_blitter_present = FALSE;
    }

    if (!xv_overlay_present && !xv_texture_present && !xv_blitter_present) {
        return NULL;
    }

    /* If nothing to show, bail */

    show_page = FALSE;
    if (xv_texture_present || xv_blitter_present) {
        ret = NvCtrlGetAttribute(ctrl_target,
                                 NV_CTRL_XV_SYNC_TO_DISPLAY_ID,
                                 &display_id);
        if (ret == NvCtrlSuccess) {
            show_page = TRUE;
        }
    }

    if (!show_page) {
        return NULL;
    }


    /* create the XVideo widget */

    object = g_object_new(CTK_TYPE_XVIDEO, NULL);
    ctk_xvideo = CTK_XVIDEO(object);

    ctk_xvideo->ctrl_target = ctrl_target;
    ctk_xvideo->ctk_config = ctk_config;
    ctk_xvideo->active_attributes = 0;

    gtk_box_set_spacing(GTK_BOX(ctk_xvideo), 10);


    /* Video film banner */

    banner = ctk_banner_image_new(BANNER_ARTWORK_XVIDEO);
    gtk_box_pack_start(GTK_BOX(object), banner, FALSE, FALSE, 0);

    /* Top Label */

    hbox = gtk_hbox_new(FALSE, 5);
    gtk_box_pack_start(GTK_BOX(object), hbox, FALSE, FALSE, 0);

    label = gtk_label_new("Xvideo Settings");
    gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);

    hseparator = gtk_hseparator_new();
    gtk_box_pack_start(GTK_BOX(hbox), hseparator, TRUE, TRUE, 0);

    /* Current Sync Value */

    ret = NvCtrlGetAttribute(ctrl_target,
                             NV_CTRL_CURRENT_XV_SYNC_TO_DISPLAY_ID,
                             &display_id);
    if (ret == NvCtrlSuccess) {
        hbox = gtk_hbox_new(FALSE, 5);
        gtk_box_pack_start(GTK_BOX(object), hbox, FALSE, FALSE, 5);

        label = gtk_label_new("Currently synced to display:");
        gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 5);
        label = gtk_label_new("");
        gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 5);

        current_sync_name = xv_sync_to_display_radio_button_label(ctk_xvideo,
                                                                  display_id);
        gtk_label_set_text(GTK_LABEL(label), current_sync_name);
        g_free(current_sync_name);

        ctk_xvideo->current_xv_sync_to_display_label = label;
    } else {
        ctk_xvideo->current_xv_sync_to_display_label = NULL;
    }

    /* Sync to display selection */

    frame = gtk_frame_new("Sync to this display device");
    gtk_box_pack_start(GTK_BOX(object), frame, FALSE, FALSE, 0);

    vbox = gtk_vbox_new(FALSE, 5);
    gtk_container_set_border_width(GTK_CONTAINER(vbox), FRAME_PADDING);
    gtk_container_add(GTK_CONTAINER(frame), vbox);
    ctk_xvideo->xv_sync_to_display_button_box = vbox;

    xv_sync_to_display_rebuild_buttons(ctk_xvideo, FALSE);

    g_signal_connect(G_OBJECT(ctk_event),
                     CTK_EVENT_NAME(NV_CTRL_XV_SYNC_TO_DISPLAY_ID),
                     G_CALLBACK(xv_sync_to_display_id_handler),
                     (gpointer) ctk_xvideo);

    if (ctk_xvideo->current_xv_sync_to_display_label) {
        g_signal_connect(G_OBJECT(ctk_event),
                         CTK_EVENT_NAME(NV_CTRL_CURRENT_XV_SYNC_TO_DISPLAY_ID),
                         G_CALLBACK(current_xv_sync_to_display_id_handler),
                         (gpointer) ctk_xvideo);
    }

    g_signal_connect(G_OBJECT(ctk_event),
                     CTK_EVENT_NAME(NV_CTRL_ENABLED_DISPLAYS),
                     G_CALLBACK(enabled_displays_handler),
                     (gpointer) ctk_xvideo);


    alignment = gtk_alignment_new(1, 1, 0, 0);
    gtk_box_pack_start(GTK_BOX(object), alignment, TRUE, TRUE, 0);

    /* finally, show the widget */

    gtk_widget_show_all(GTK_WIDGET(ctk_xvideo));

    return GTK_WIDGET(ctk_xvideo);
}