[PATCH] Show correct icon when only one gasmix in the list

[Joakim Bygdell]

When there is only one gasmix in the list we should show the icon that tells the
user that they can't remove the last gasmix from the list.

Signed-off-by: Joakim Bygdell <j.bygdell at gmail.com>
---
 qt-models/cylindermodel.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/qt-models/cylindermodel.cpp b/qt-models/cylindermodel.cpp
index 8786f78..8c9bee8 100644
--- a/qt-models/cylindermodel.cpp
+++ b/qt-models/cylindermodel.cpp
@@ -112,11 +112,17 @@ QVariant CylindersModel::data(const QModelIndex &index, int role) const
 		break;
 	case Qt::DecorationRole:
 		if (index.column() == REMOVE)
-			ret = trashIcon();
+			if (rowCount() > 1)
+				ret = trashIcon();
+			else
+				ret = trashForbiddenIcon();
 		break;
 	case Qt::SizeHintRole:
 		if (index.column() == REMOVE)
-			ret = trashIcon().size();
+			if (rowCount() > 1)
+				ret = trashIcon();
+			else
+				ret = trashForbiddenIcon();
 		break;
 
 	case Qt::ToolTipRole:
-- 
2.3.8 (Apple Git-58)