# HG changeset patch
# User Chris Cannam
# Date 1524495891 -3600
# Node ID d967e21fe99582d2ca2507471b73f1e8224bd6f1
# Parent  7527701c8076cb0fe6fe98b859a0bc6f8392685b
Avoid crash when scrolling with an empty layer open

diff -r 7527701c8076 -r d967e21fe995 widgets/ModelDataTableDialog.cpp
--- a/widgets/ModelDataTableDialog.cpp	Thu Apr 19 14:36:16 2018 +0100
+++ b/widgets/ModelDataTableDialog.cpp	Mon Apr 23 16:04:51 2018 +0100
@@ -208,6 +208,12 @@
 void
 ModelDataTableDialog::makeCurrent(int row)
 {
+    if (m_table->rowCount() == 0 ||
+        row >= m_table->rowCount() ||
+        row < 0) {
+        return;
+    }
+    
     int rh = m_tableView->height() / m_tableView->rowHeight(0);
     int topRow = row - rh/4;
     if (topRow < 0) topRow = 0;