Re: Getting a GDK_CONFIGURE event from a GtkImage

["Brian J. Tarricone" <bjt23 cornell edu>]

On Mon, 25 Jun 2007 17:41:51 -0600 Jim George wrote:

> [...] caused an infinite loop, because I'm trying to
> do the following:
>
> gboolean solar_cal_pixbuf_resize(GtkWidget *widget, GtkAllocation
> *alloc, gpointer user_data)
> {
>  GtkImage *img_widget = user_data;
>  GdkPixbuf *pixbuf = gtk_image_get_pixbuf(img_widget);
>  if (pixbuf) g_object_unref(pixbuf);
>  pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, alloc->width,
> alloc->height);
>  gtk_image_set_from_pixbuf(img_widget, pixbuf);
> }
>
> The call to gtk_image_set_from_pixbuf causes a size-alloc to be
> emitted, leading to the infinite loop. I don't see why the
> size-request signal is not being emitted.

Just put a call to g_signal_handlers_block_by_func() before
gtk_Image_set_from_pixbuf(), and then after, a call to
g_signal_handlers_unblock_by_func().  There may be a more elegant way
of handling that, but this'll work.

        -brian