Texpage with GTK

gboolean dispTextPage_callBack(dispTextPage_struct *params)
{
    char* fileName = params -> fileName;
    int isJustifyCenter = 0;
    GtkWidget *textv;
    GdkWindow *textv_window;
    GdkPixmap *pixmap;
    GtkTextBuffer* textBuffer;
    GdkColor color;
    destroyWidget(0);
    textv = gtk_text_view_new ();
    gtk_text_view_set_left_margin(GTK_TEXT_VIEW(textv), 22);
    gtk_text_view_set_right_margin(GTK_TEXT_VIEW(textv), 20);
    gtk_text_view_set_pixels_above_lines(GTK_TEXT_VIEW(textv),1);
    gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(textv), GTK_WRAP_CHAR);
    if (isJustifyCenter == 1)
    {
        gtk_text_view_set_justification(GTK_TEXT_VIEW(textv), GTK_JUSTIFY_CENTER);
    }
    else
    {
        gtk_text_view_set_justification(GTK_TEXT_VIEW(textv), GTK_JUSTIFY_LEFT);
    }
    gtk_text_view_set_editable(GTK_TEXT_VIEW(textv), FALSE);
    gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(textv), FALSE);
    gtk_container_add(GTK_CONTAINER(window), textv);
   textv_window = gtk_text_view_get_window (GTK_TEXT_VIEW (textv),GTK_TEXT_WINDOW_TEXT);
    gdk_color_parse ("#68604d", &color);
    pixmap = gdk_pixmap_create_from_xpm ((GdkDrawable *) textv_window, NULL,&color, fileName);
    gdk_window_set_back_pixmap (textv_window, pixmap, FALSE);
    g_object_unref(pixmap);
    textBuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textv));
    gtk_text_buffer_create_tag (textBuffer, "bold","foreground", "Black", NULL);
    gtk_text_buffer_create_tag (textBuffer, "Redbold","foreground", "Red",NULL);
    gtk_text_buffer_create_tag (textBuffer, "fontSize","font", "saxmono 20",NULL);
    gtk_text_buffer_create_tag (textBuffer, "smallFontSize", "font", "saxmono 14", NULL);
    gtk_text_buffer_create_tag (textBuffer, "fontweight","weight", 1000,NULL);
    index = addToWidgetsAlive(textv, NULL);
    gtk_widget_show(textv);
    gtk_widget_show(window);
    free(params);
return FALSE;
}