[libdazzle] shortcuts: add action lookup for shortcut theme

[Christian Hergert <chergert src gnome org>]

commit 8b550fd60e778f383a79865e9c1c9e082fb700d3
Author: Christian Hergert <chergert redhat com>
Date:   Tue Nov 21 18:43:20 2017 -0800

    shortcuts: add action lookup for shortcut theme
    
    This allows us to lookup by chord to get an action which we
    might need when activating legacy paths.

 src/shortcuts/dzl-shortcut-private.h |    2 ++
 src/shortcuts/dzl-shortcut-theme.c   |   23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/src/shortcuts/dzl-shortcut-private.h b/src/shortcuts/dzl-shortcut-private.h
index a9d62cc..4afcad1 100644
--- a/src/shortcuts/dzl-shortcut-private.h
+++ b/src/shortcuts/dzl-shortcut-private.h
@@ -126,6 +126,8 @@ void                   _dzl_shortcut_theme_set_manager              (DzlShortcut
                                                                      DzlShortcutManager         *manager);
 void                   _dzl_shortcut_theme_set_name                 (DzlShortcutTheme           *self,
                                                                      const gchar                *name);
+const gchar           *_dzl_shortcut_theme_lookup_action            (DzlShortcutTheme           *self,
+                                                                     const DzlShortcutChord     *chord);
 void                   _dzl_shortcut_theme_merge                    (DzlShortcutTheme           *self,
                                                                      DzlShortcutTheme           *layer);
 DzlShortcutMatch       _dzl_shortcut_theme_match                    (DzlShortcutTheme           *self,
diff --git a/src/shortcuts/dzl-shortcut-theme.c b/src/shortcuts/dzl-shortcut-theme.c
index f32ac0b..0295133 100644
--- a/src/shortcuts/dzl-shortcut-theme.c
+++ b/src/shortcuts/dzl-shortcut-theme.c
@@ -447,6 +447,29 @@ dzl_shortcut_theme_set_parent_name (DzlShortcutTheme *self,
     }
 }
 
+const gchar *
+_dzl_shortcut_theme_lookup_action (DzlShortcutTheme       *self,
+                                   const DzlShortcutChord *chord)
+{
+  DzlShortcutThemePrivate *priv = dzl_shortcut_theme_get_instance_private (self);
+
+  g_return_val_if_fail (DZL_IS_SHORTCUT_THEME (self), NULL);
+  g_return_val_if_fail (chord != NULL, NULL);
+
+  if (priv->actions_table != NULL)
+    {
+      const gchar *action = NULL;
+      DzlShortcutMatch match;
+
+      match = dzl_shortcut_chord_table_lookup (priv->actions_table, chord, (gpointer *)&action);
+
+      if (match == DZL_SHORTCUT_MATCH_EQUAL)
+        return action;
+    }
+
+  return NULL;
+}
+
 void
 dzl_shortcut_theme_set_chord_for_action (DzlShortcutTheme       *self,
                                          const gchar            *detailed_action_name,