5 files changed, 115 insertions, 0 deletions
diff --git a/SwifTools/LastLineTracker.cpp b/SwifTools/LastLineTracker.cpp
new file mode 100644
index 0000000..a7360a8
--- /dev/null
+++ b/SwifTools/LastLineTracker.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2011 Vlad Voicu
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include "LastLineTracker.h"
+
+using namespace Swift;
+
+LastLineTracker::LastLineTracker() {
+	lastFocus = true;
+	shouldMove = false;
+}
+
+void LastLineTracker::setHasFocus(bool focus) {
+	if (!focus && lastFocus) {
+			shouldMove = true;
+			lastFocus = focus;
+			return;
+	}
+	shouldMove = false;
+	lastFocus = focus;
+}
+
+bool LastLineTracker::getShouldMoveLastLine() {
+	bool ret = shouldMove;
+	shouldMove = false;
+	return ret;
+}
diff --git a/SwifTools/LastLineTracker.h b/SwifTools/LastLineTracker.h
new file mode 100644
index 0000000..b7c9a3b
--- /dev/null
+++ b/SwifTools/LastLineTracker.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2011 Vlad Voicu
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#pragma once
+
+namespace Swift {
+	class LastLineTracker {
+		public:
+			LastLineTracker();
+			void setHasFocus(bool focus);
+			bool getShouldMoveLastLine();
+		private:
+			bool lastFocus;
+			bool shouldMove;
+	};
+}
diff --git a/SwifTools/SConscript b/SwifTools/SConscript
index 8d00418..e5085cc 100644
--- a/SwifTools/SConscript
+++ b/SwifTools/SConscript
@@ -27,6 +27,7 @@ if env["SCONS_STAGE"] == "build" :
 			"AutoUpdater/PlatformAutoUpdaterFactory.cpp",
 			"Linkify.cpp",
 			"TabComplete.cpp",
+			"LastLineTracker.cpp",
 		]
 
 	if swiftools_env.get("HAVE_SPARKLE", 0) :
diff --git a/SwifTools/UnitTest/LastLineTrackerTest.cpp b/SwifTools/UnitTest/LastLineTrackerTest.cpp
new file mode 100644
index 0000000..374f4de
--- /dev/null
+++ b/SwifTools/UnitTest/LastLineTrackerTest.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2011 Vlad Voicu
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/extensions/TestFactoryRegistry.h>
+
+#include "SwifTools/LastLineTracker.h"
+
+using namespace Swift;
+
+class LastLineTrackerTest : public CppUnit::TestFixture {
+	CPPUNIT_TEST_SUITE(LastLineTrackerTest);
+	CPPUNIT_TEST(testFocusNormal);
+	CPPUNIT_TEST(testFocusOut);
+	CPPUNIT_TEST(testFocusOtherTab);
+	CPPUNIT_TEST(testRepeatedFocusOut);
+	CPPUNIT_TEST(testRepeatedFocusIn);
+	CPPUNIT_TEST_SUITE_END();
+	public:
+	LastLineTrackerTest () {
+	};
+	void testFocusNormal() {
+		LastLineTracker testling;
+		testling.setHasFocus(true);
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+	}
+	void testFocusOut() {
+		LastLineTracker testling;
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(true, testling.getShouldMoveLastLine());
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+	}
+	void testFocusOtherTab() {
+		LastLineTracker testling;
+		testling.setHasFocus(true);
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(true, testling.getShouldMoveLastLine());
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+	}
+
+	void testRepeatedFocusOut() {
+		LastLineTracker testling;
+		testling.setHasFocus(true);
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(true, testling.getShouldMoveLastLine());
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(false, testling.getShouldMoveLastLine());
+	}
+	void testRepeatedFocusIn() {
+		LastLineTracker testling;
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(true, testling.getShouldMoveLastLine());
+		testling.setHasFocus(true);
+		testling.setHasFocus(false);
+		CPPUNIT_ASSERT_EQUAL(true, testling.getShouldMoveLastLine());
+	}
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(LastLineTrackerTest);
diff --git a/SwifTools/UnitTest/SConscript b/SwifTools/UnitTest/SConscript
index 9fd1375..e41da64 100644
--- a/SwifTools/UnitTest/SConscript
+++ b/SwifTools/UnitTest/SConscript
@@ -3,4 +3,5 @@ Import("env")
 env.Append(UNITTEST_SOURCES = [
 		File("LinkifyTest.cpp"),
 		File("TabCompleteTest.cpp"),
+		File("LastLineTrackerTest.cpp")
 	])