From 9e3399b619edae15818c64917688484362395003 Mon Sep 17 00:00:00 2001
From: Anna Schumaker <Anna@OcarinaProject.net>
Date: Thu, 5 Jun 2014 11:04:55 -0400
Subject: [PATCH] deck: Reintroduce deck :: get()

This function turned out to be really useful for the gui.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>
---
 DESIGN              |  4 ++++
 core/deck.cpp       | 12 ++++++++++++
 include/core/deck.h |  2 ++
 tests/deck.cpp      |  4 ++++
 4 files changed, 22 insertions(+)

diff --git a/DESIGN b/DESIGN
index 5b1fb7f1..2aba3337 100644
--- a/DESIGN
+++ b/DESIGN
@@ -1273,6 +1273,10 @@ Deck:
 		Return the index of the queue in the deck or deck.size() if
 		the queue is not currently in the deck.
 
+	Queue *deck :: get(unsigned int index);
+		Return the queue at the requested index, or NULL if no queue
+		is found.
+
 	Track *deck :: next();
 		Find the first enabled queue on the deck and return the track
 		given by queue->next().
diff --git a/core/deck.cpp b/core/deck.cpp
index 2b6c3b5c..013845f5 100644
--- a/core/deck.cpp
+++ b/core/deck.cpp
@@ -187,6 +187,18 @@ unsigned int deck :: index(Queue *queue)
 	return queue_deck.size();
 }
 
+Queue *deck :: get(unsigned int index)
+{
+	std::list<TempQueue>::iterator it;
+
+	for (it = queue_deck.begin(); it != queue_deck.end(); it++) {
+		if (index == 0)
+			return &(*it);
+		index--;
+	}
+	return NULL;
+}
+
 Track *deck :: next()
 {
 	Track *track = NULL;
diff --git a/include/core/deck.h b/include/core/deck.h
index b6cca7b9..a4775d7e 100644
--- a/include/core/deck.h
+++ b/include/core/deck.h
@@ -33,7 +33,9 @@ namespace deck
 	Queue *create(bool);
 	void destroy(Queue *);
 	void move(Queue *, unsigned int);
+
 	unsigned int index(Queue *);
+	Queue *get(unsigned int);
 
 	Track *next();
 	Track *prev();
diff --git a/tests/deck.cpp b/tests/deck.cpp
index 0dd579a5..339f1d46 100644
--- a/tests/deck.cpp
+++ b/tests/deck.cpp
@@ -74,12 +74,14 @@ static void test_create_mv_destroy()
 	test_equal(q1->has_flag(Q_ENABLED), true);
 	test_equal(q1->has_flag(Q_RANDOM), true);
 	test_equal(deck :: index(q1), (unsigned)2);
+	test_equal(deck :: get(2), q1);
 
 	q2 = deck :: create(false);
 	test_not_equal(q2, Q_NULL);
 	test_equal(q2->has_flag(Q_ENABLED), true);
 	test_equal(q2->has_flag(Q_RANDOM), false);
 	test_equal(deck :: index(q2), (unsigned)3);
+	test_equal(deck :: get(3), q2);
 
 	deck :: move(q1, 3);
 	test_equal(deck :: index(q1), (unsigned)3);
@@ -98,6 +100,8 @@ static void test_create_mv_destroy()
 	deck :: destroy(q2);
 	test_equal(n, (unsigned)2);
 	test_equal(deck :: index(q2), (unsigned)2);
+
+	test_equal(deck :: get(3), Q_NULL);
 }
 
 static void test_next_prev()