[eog] EogWindow: Add stop mark to zoom slider at 100% zoom

[Felix Riemann <friemann src gnome org>]

commit 2cb75ec6e88753a0019d7876fbca57b5fb258edf
Author: Felix Riemann <friemann gnome org>
Date:   Mon Jun 22 20:29:08 2015 +0200

    EogWindow: Add stop mark to zoom slider at 100% zoom
    
    https://bugzilla.gnome.org/show_bug.cgi?id=746132

 src/eog-window.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/eog-window.c b/src/eog-window.c
index f19990e..9358109 100644
--- a/src/eog-window.c
+++ b/src/eog-window.c
@@ -4308,6 +4308,9 @@ eog_window_construct_ui (EogWindow *window)
        priv->zoom_scale = gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL,
                                                     0.3, 3.0, 0.1);
        gtk_scale_set_draw_value (GTK_SCALE (priv->zoom_scale), FALSE);
+       /* Add a stop mark at 100% */
+       gtk_scale_add_mark (GTK_SCALE (priv->zoom_scale),
+                           1.0, GTK_POS_BOTTOM, NULL);
        /* TODO: the scale by itself does not take any width, so we manually
         * set it here. Decide on the optimal value. */
        gtk_widget_set_size_request (priv->zoom_scale, 200, -1);