Ejemplos de gtk_viewport_get_view_window en C++ (Cpp)

Ejemplo n.º 1

Archivo: picture.c Proyecto: BunsenLabs/yad

void
picture_fit_to_window ()
{
  gdouble width, height, ww, wh;
  gdouble factor;

  if (animated)
    return;

  width = gdk_pixbuf_get_width (orig_pb);
  height = gdk_pixbuf_get_height (orig_pb);

  ww = gdk_window_get_width (gtk_viewport_get_view_window (GTK_VIEWPORT (viewport)));
  wh = gdk_window_get_height (gtk_viewport_get_view_window (GTK_VIEWPORT (viewport)));

  factor = MIN (ww / width, wh / height);
  if (factor < 1.0)
    {
      GdkPixbuf *pb = gdk_pixbuf_scale_simple (g_object_ref (orig_pb), width * factor, height * factor, GDK_INTERP_HYPER);
      if (pb)
        gtk_image_set_from_pixbuf (GTK_IMAGE (picture), pb);
    }
}

Ejemplo n.º 2

Archivo: lyricshowviewport.c Proyecto: wkt/liblyric

static gboolean
lyric_show_viewport_expose(GtkWidget    *widget,GdkEventExpose *event)
{
    LyricShowViewport *lsv;
    lsv = LYRIC_SHOW_VIEWPORT(widget);
    GdkWindow   *view = gtk_viewport_get_view_window(GTK_VIEWPORT(widget));

#if 1 ///必须启用否则widget大小变化时view上的东西不会被自动清除，界面混乱
    gint        view_width,view_height;
    view_width = gdk_window_get_width(view);
    view_height = gdk_window_get_height(view);
    
    gtk_paint_flat_box(widget->style,
                       view,
                       GTK_STATE_NORMAL,
                       GTK_SHADOW_NONE,
                       NULL,
                       widget,
                       NULL,
                       0,0,
                       view_width,
                       view_height);
#endif


    GTK_WIDGET_CLASS(lyric_show_viewport_parent_class)->expose_event(widget,event);

///    g_warning("is_pressed:%d",lsv->priv->is_pressed);
    if(lsv->priv->is_pressed)
    {
        gtk_paint_hline(widget->style,
                        gtk_viewport_get_bin_window(GTK_VIEWPORT(widget)),
                        GTK_STATE_NORMAL,
                        NULL,
                        widget,
                        NULL,
                        0,widget->allocation.width,
                        lsv->priv->pos+lsv->priv->pressed_pos+widget->allocation.height/2.0);
    }
    return FALSE;
}