fix note preview stuff on pattern editor

notes

@@ -40,9 +40,11 @@ TODO {
         maybe scroll sensitivity
     }
     
-    revert-to-saved menu action
+    - 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
     
-    - distortion effect
+    revert-to-saved menu action
     
     automation node {
         listens for one specific param

xybrid/ui/patterneditoritemdelegate.cpp

@@ -198,6 +198,7 @@ bool PatternEditorItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *m
 
                 dc->cancel();
                 SelectionBounds s(sel);
+                if (s.x1 == s.x2 && s.x1 % PatternEditorModel::colsPerChannel <= 1) return false; // just previewing the note column
                 auto* cc = (new CompositeCommand())->reserve((1 + s.y2 - s.y1) * (1 + s.ch2 - s.ch1));
 
                 for (int c = s.ch1; c <= s.ch2; c++) {

xybrid/ui/patterneditorview.cpp

@@ -307,7 +307,7 @@ void PatternEditorView::startPreview(int key) {
     auto ind = currentIndex();
     int cc = ind.column() % PatternEditorModel::colsPerChannel;
     int ch = (ind.column() - cc) / PatternEditorModel::colsPerChannel;
-    if (cc == 1) { // note column
+    if (cc == 1 || (cc == 0 && key == Qt::Key_Space)) { // note column or space on port
         stopPreview(key); // end current preview first, if applicable
         auto& r = mdl->getPattern()->rowAt(ch, ind.row()-1);
         auto p = mdl->getPattern()->project->shared_from_this();