From f67693b2e0dc8dc8e89a44b2db17fc1f6bc64931 Mon Sep 17 00:00:00 2001
From: Tomaz Canabrava <tomaz.canabrava@intel.com>
Date: Fri, 23 May 2014 22:22:02 -0300
Subject: [PATCH] Make mouse dragging work as it should.

This patch makes mouse dragging work as it should, a tiny
bit different than the old version, but I think it's a better
way. What's missing: Keyboard actions.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 qt-ui/profile/profilewidget2.cpp | 21 +++++++++++++++++++--
 qt-ui/profile/profilewidget2.h   |  1 +
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/qt-ui/profile/profilewidget2.cpp b/qt-ui/profile/profilewidget2.cpp
index dd4ecca85..b1bf57f9f 100644
--- a/qt-ui/profile/profilewidget2.cpp
+++ b/qt-ui/profile/profilewidget2.cpp
@@ -1009,12 +1009,29 @@ void ProfileWidget2::repositionDiveHandlers()
 	}
 }
 
+int ProfileWidget2::fixHandlerIndex(DiveHandler *activeHandler)
+{
+	int index = handles.indexOf(activeHandler);
+	if (index > 0 && index < handles.count() - 1) {
+		DiveHandler *before = handles[index - 1];
+		if (before->pos().x() > activeHandler->pos().x()) {
+			handles.swap(index, index-1);
+			return index - 1;
+		}
+		DiveHandler *after = handles[index + 1];
+		if (after->pos().x() < activeHandler->pos().x()) {
+			handles.swap(index, index+1);
+			return index + 1;
+		}
+	}
+	return index;
+}
+
 void ProfileWidget2::recreatePlannedDive()
 {
 	DiveHandler *activeHandler = qobject_cast<DiveHandler*>(sender());
 	DivePlannerPointsModel *plannerModel = DivePlannerPointsModel::instance();
-	int index = handles.indexOf(activeHandler);
-
+	int index = fixHandlerIndex(activeHandler);
 	int mintime = 0, maxtime = (timeAxis->maximum() + 10) * 60;
 	if (index > 0)
 		mintime = plannerModel->at(index - 1).time;
diff --git a/qt-ui/profile/profilewidget2.h b/qt-ui/profile/profilewidget2.h
index 1c1258de5..4b1d881de 100644
--- a/qt-ui/profile/profilewidget2.h
+++ b/qt-ui/profile/profilewidget2.h
@@ -149,6 +149,7 @@ private:
 	QList<DiveHandler *> handles;
 	QList<QGraphicsSimpleTextItem *> gases;
 	void repositionDiveHandlers();
+	int fixHandlerIndex(DiveHandler *activeHandler);
 };
 
 #endif // PROFILEWIDGET2_H