set up sizing defaults

app/widget/nodeparamview/nodeparamview.cpp

@@ -81,6 +81,9 @@ NodeParamView::NodeParamView(QWidget *parent) :
 
   splitter->addWidget(keyframe_area);
 
+  // Set both widgets to 50/50
+  splitter->setSizes({INT_MAX, INT_MAX});
+
   // Disable collapsing param view (but collapsing keyframe view is permitted)
   splitter->setCollapsible(0, false);
 

app/widget/timelinewidget/timelineandtrackview.cpp

@@ -18,6 +18,8 @@ TimelineAndTrackView::TimelineAndTrackView(const TrackType &type, Qt::Alignment
 
   view_ = new TimelineView(type, vertical_alignment);
   splitter_->addWidget(view_);
+
+  splitter_->setSizes({1, width()});
 }
 
 QSplitter *TimelineAndTrackView::splitter() const