[evince/gnome-3-28] ev-window: update state for dual-odd-left action

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 8f3e6dff68ce8fd0575f4cd13c3cf357cb09fbcf
Author: Nelson Benítez León <nbenitezl gmail com>
Date:   Sun Sep 16 15:58:59 2018 +0100

    ev-window: update state for dual-odd-left action
    
    so its checkbox shows correct state, also merge two
    similar ev_window_set_action_enabled() calls for
    dual-odd-left action into one.
    
    Issue #603

 shell/ev-window.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
---
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 8ed743b3..a8d261e2 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -520,8 +520,6 @@ ev_window_update_actions_sensitivity (EvWindow *ev_window)
                                      !recent_view_mode);
        ev_window_set_action_enabled (ev_window, "dual-page", has_pages &&
                                      !recent_view_mode);
-       ev_window_set_action_enabled (ev_window, "dual-odd-left", has_pages &&
-                                     !recent_view_mode);
        ev_window_set_action_enabled (ev_window, "reload", has_pages &&
                                      !recent_view_mode);
        ev_window_set_action_enabled (ev_window, "auto-scroll", has_pages &&
@@ -572,7 +570,7 @@ ev_window_update_actions_sensitivity (EvWindow *ev_window)
                                      has_pages && can_find_in_page &&
                                      !recent_view_mode);
        ev_window_set_action_enabled (ev_window, "dual-odd-left", dual_mode &&
-                                     !recent_view_mode);
+                                     has_pages && !recent_view_mode);
 
        ev_window_set_action_enabled (ev_window, "zoom-in",
                                      has_pages &&
@@ -4891,9 +4889,17 @@ ev_window_dual_mode_odd_pages_left_changed_cb (EvDocumentModel *model,
                                               GParamSpec      *pspec,
                                               EvWindow        *ev_window)
 {
+       gboolean odd_left;
+       GAction *action;
+
+       odd_left = ev_document_model_get_dual_page_odd_pages_left (model);
+
+       action = g_action_map_lookup_action (G_ACTION_MAP (ev_window), "dual-odd-left");
+       g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean (odd_left));
+
        if (ev_window->priv->metadata && !ev_window_is_empty (ev_window))
                ev_metadata_set_boolean (ev_window->priv->metadata, "dual-page-odd-left",
-                                        ev_document_model_get_dual_page_odd_pages_left (model));
+                                        odd_left);
 }
 
 static void