diff --git a/notes b/notes
index d1bf9f2..195fb61 100644
--- a/notes
+++ b/notes
@@ -42,7 +42,9 @@ TODO {
     
     - fix space on note or port column (previewing) generating an undo action
     - make space preview on port column
-    fix strut not working except to overwrite another param
+    - fix strut not working except to overwrite another param
+    
+    add negate function to param columns
     
     revert-to-saved menu action
     
diff --git a/xybrid/ui/patterneditoritemdelegate.cpp b/xybrid/ui/patterneditoritemdelegate.cpp
index 685e7d2..4a4a3a2 100644
--- a/xybrid/ui/patterneditoritemdelegate.cpp
+++ b/xybrid/ui/patterneditoritemdelegate.cpp
@@ -170,7 +170,7 @@ bool PatternEditorItemDelegate::eventFilter(QObject *obj, QEvent *event) {
 bool PatternEditorItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option [[maybe_unused]], const QModelIndex &index) {
     if (index.data().isNull()) return false; // no channels?
     auto type = event->type();
-    if (type == QEvent::KeyRelease) qDebug() << "key release";
+    //if (type == QEvent::KeyRelease) qDebug() << "key release";
     if (type == QEvent::KeyPress) {
         if (static_cast<QKeyEvent*>(event)->isAutoRepeat()) return false; // reject autorepeat
 
@@ -194,7 +194,7 @@ bool PatternEditorItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *m
 
         } else {
             if (k == Qt::Key_Space) { // TODO make this not "modify" if nothing was affected
-                if (mod & Qt::Modifier::SHIFT) return dc->cancel(); // TODO: once playback is a thing, shift+space to preview row?
+                if (mod & Qt::Modifier::SHIFT) return dc->cancel(); // nothing on shift yet
 
                 dc->cancel();
                 SelectionBounds s(sel);
@@ -207,6 +207,7 @@ bool PatternEditorItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *m
                     auto mp = s.maxParamSelected(c);
                     if (mp < 0) continue;
                     auto mps = std::min(mpc, static_cast<size_t>(mp));
+                    if (!multi) mps++; // allow strutting into new columns if not multiselecting
                     for (int r = s.y1; r <= s.y2; r++) {
                         if (multi && mps <= p->rowAt(c, r).numParams()) continue;
                         auto* dc = new PatternDeltaCommand(p, c, r-1);