ui & logic: fixes for release

* smaller indexing progress dialog with bar in the middle instead of golden ratio
* set default code snippet expand range to 3
* no minimum height for project file location element in project setup wizard
* move aggregation and inheritance edges to front when hovered or active
* push parent nodes of active nodes to back to make edges to the active child visible
* properly quit application when window is closed while confirm box is open
* properly quit application when window is closed while indexing
* only count top level nodes for count on bundle nodes
* give noLetterScore to index 0 in search index scoring

bug id = 121

src/lib/utility/scheduling/TaskGroupParallel.cpp

@@ -38,6 +38,9 @@ void TaskGroupParallel::doEnter(std::shared_ptr<Blackboard> blackboard)
 
 Task::TaskState TaskGroupParallel::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
+	const int SLEEP_TIME_MS = 25;
+	std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIME_MS));
+
 	if (m_tasks.size() != 0 && getActveTaskCount() > 0)
 	{
 		return STATE_RUNNING;
@@ -72,8 +75,6 @@ void TaskGroupParallel::doReset(std::shared_ptr<Blackboard> blackboard)
 
 void TaskGroupParallel::processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo, std::shared_ptr<Blackboard> blackboard)
 {
-	const int SLEEP_TIME_MS = 25;
-
 	ScopedFunctor functor([&](){
 		std::lock_guard<std::mutex> lock(m_activeTaskCountMutex);
 		m_activeTaskCount--;
@@ -92,8 +93,6 @@ void TaskGroupParallel::processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo,
 			taskInfo->active = false;
 			break;
 		}
-
-		std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIME_MS));
 	}
 }
 

src/lib/utility/scheduling/TaskScheduler.cpp

@@ -48,8 +48,6 @@ void TaskScheduler::startSchedulerLoopThreaded()
 
 void TaskScheduler::startSchedulerLoop()
 {
-	const int SLEEP_TIME_MS = 25;
-
 	{
 		std::lock_guard<std::mutex> lock(m_loopMutex);
 
@@ -75,6 +73,7 @@ void TaskScheduler::startSchedulerLoop()
 			}
 		}
 
+		const int SLEEP_TIME_MS = 25;
 		std::this_thread::sleep_for(std::chrono::milliseconds(SLEEP_TIME_MS));
 	}
 
@@ -156,6 +155,15 @@ void TaskScheduler::processTasks()
 				{
 					break;
 				}
+
+				{
+					std::lock_guard<std::mutex> lock(m_loopMutex);
+
+					if (!m_loopIsRunning)
+					{
+						break;
+					}
+				}
 			}
 		}