From c5066fd55d5785e9f9302043fa9eee3f9c9bcbda Mon Sep 17 00:00:00 2001
From: Perry Werneck <perry.werneck@gmail.com>
Date: Wed, 30 Oct 2019 17:06:15 -0300
Subject: [PATCH] Adding method to get the "activatable" state of an action group.

---
 src/core/actions/table.c      | 27 +++++++++++++++++++++++++++
 src/include/lib3270/actions.h | 10 ++++++++++
 2 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/src/core/actions/table.c b/src/core/actions/table.c
index 7aec060..fb525b1 100644
--- a/src/core/actions/table.c
+++ b/src/core/actions/table.c
@@ -731,3 +731,30 @@
 	return actions;
  }
 
+ static int default_activatable_state(const H3270 *hSession)
+ {
+ 	return hSession == NULL ? 0 : 1;
+ }
+
+ LIB3270_EXPORT int lib3270_action_group_get_activatable(const H3270 *hSession, const LIB3270_ACTION_GROUP group)
+ {
+	static const struct
+	{
+		int (*get)(const H3270 *);
+	} activatable[LIB3270_ACTION_CUSTOM] =
+	{
+		{ default_activatable_state	},	// LIB3270_ACTION_GROUP_NONE
+ 		{ lib3270_is_connected		},	// LIB3270_ACTION_GROUP_ONLINE
+ 		{ lib3270_is_disconnected	},	// LIB3270_ACTION_GROUP_OFFLINE
+ 		{ lib3270_has_selection		},	// LIB3270_ACTION_GROUP_SELECTION
+ 		{ lib3270_is_unlocked		},	// LIB3270_ACTION_GROUP_LOCK_STATE
+ 		{ lib3270_is_formatted		},	// LIB3270_ACTION_GROUP_FORMATTED
+ 	};
+
+ 	if(group < (sizeof(activatable)/sizeof(activatable[0]))) {
+		return activatable[group].get(hSession);
+ 	}
+
+ 	return default_activatable_state(hSession);
+
+ }
diff --git a/src/include/lib3270/actions.h b/src/include/lib3270/actions.h
index da85aff..5e20677 100644
--- a/src/include/lib3270/actions.h
+++ b/src/include/lib3270/actions.h
@@ -73,6 +73,16 @@
 
  } LIB3270_ACTION;
 
+/**
+ * @brief Query if the action group can be activated.
+ *
+ * @param hSession	TN3270 Session handle.
+ * @param group		The group to listen.
+ *
+ * @return The current state of the group.
+ *
+ */
+ LIB3270_EXPORT int lib3270_action_group_get_activatable(const H3270 *hSession, const LIB3270_ACTION_GROUP group);
 
 /**
  * @brief Register an action group listener.
--
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