On 12 October 2017 at 13:10, Daniel Boles <dboles....@gmail.com> wrote:

> By my understanding, the explanation is this:
>
>    - the Entry *is *right-aligned within its cell
>    - but then the Grid is set to align fill and expand, so it expands
>    empty space beyond the Entry and the cell it's in
>
> Assuming I understand this guide right, then it does kinda make sense to
> me.
>
> https://developer.gnome.org/gtk3/stable/ch30s02.html
>
> I found that hexpanding the Entry too got around this, but it may not be
> exactly what you want.
>

since a test case is always useful...

#include <gtk/gtk.h>

int
main (int    argc,
      char **argv)
{
  gtk_init (&argc, &argv);

  GtkWidget *grid = gtk_grid_new ();
  gtk_widget_set_hexpand (grid, TRUE);
  gtk_widget_set_halign (grid, GTK_ALIGN_FILL);
  gtk_orientable_set_orientation ((GtkOrientable *)grid,
GTK_ORIENTATION_HORIZONTAL);

  GtkWidget *entry = gtk_entry_new ();
  gtk_widget_set_halign (entry, GTK_ALIGN_END);
  gtk_container_add ((GtkContainer *)grid, entry);

  GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_container_add ((GtkContainer *)window, grid);
  gtk_widget_show_all (window);

  gtk_main ();
}
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