spawnlist fixed row height

[epfimi]

I've been testing the following patch for a bit today. It will cause the lists/trees in the spawnlist windows to use a fixed height for all cells which reduces the performance hit when the distance column is displayed.

diff --git a/src/spawnlistcommon.cpp b/src/spawnlistcommon.cpp
index 0483573..31ddc9f 100644
--- a/src/spawnlistcommon.cpp
+++ b/src/spawnlistcommon.cpp
@@ -69,6 +69,7 @@ SpawnListItem::~SpawnListItem()
 QVariant SpawnListItem::data(int column, int role) const
 {
     QFont font = treeWidget()->font();
+    QFontMetrics metrics(font);
     uint32_t filterFlags = 0;
     if (m_item)
         filterFlags = m_item->filterFlags();
@@ -114,6 +115,8 @@ QVariant SpawnListItem::data(int column, int role) const
                 return QColor(Qt::gray);
             else
                 return m_textColor;
+       case Qt::SizeHintRole:
+            return QSize(-1, metrics.lineSpacing());


         default:
             return SEQListViewItem::data(column, role);