diff main/MainWindow.cpp @ 1356:3ef81d81b767 subdivide-instants

Add Winnow as well

--- a/main/MainWindow.cpp	Fri Nov 25 09:38:53 2016 +0000
+++ b/main/MainWindow.cpp	Fri Nov 25 09:57:36 2016 +0000
@@ -842,12 +842,20 @@
     connect(this, SIGNAL(canRenumberInstants(bool)), action, SLOT(setEnabled(bool)));
 //    m_keyReference->registerShortcut(action);
     menu->addAction(action);
-            
+
+    menu->addSeparator();
+    
     action = new QAction(tr("Subdivide Selected Instants..."), this);
     action->setStatusTip(tr("Add new instants at regular intervals between the selected instants"));
     connect(action, SIGNAL(triggered()), this, SLOT(subdivideInstants()));
     connect(this, SIGNAL(canSubdivideInstants(bool)), action, SLOT(setEnabled(bool)));
     menu->addAction(action);
+            
+    action = new QAction(tr("Winnow Selected Instants..."), this);
+    action->setStatusTip(tr("Remove subdivisions, leaving only every Nth instant"));
+    connect(action, SIGNAL(triggered()), this, SLOT(winnowInstants()));
+    connect(this, SIGNAL(canWinnowInstants(bool)), action, SLOT(setEnabled(bool)));
+    menu->addAction(action);
 }
 
 void
@@ -4420,6 +4428,28 @@
 }
 
 void
+MainWindow::winnowInstants()
+{
+    QSettings settings;
+    settings.beginGroup("MainWindow");
+    int n = settings.value("winnow-subdivisions", 4).toInt();
+    
+    bool ok;
+
+    n = QInputDialog::getInt(this,
+                             tr("Winnow instants"),
+                             tr("Remove all instants apart from multiples of:"),
+                             n, 2, 96, 1, &ok);
+
+    if (ok) {
+        settings.setValue("winnow-subdivisions", n);
+        winnowInstantsBy(n);
+    }
+
+    settings.endGroup();
+}
+
+void
 MainWindow::modelGenerationFailed(QString transformName, QString message)
 {
     emit hideSplash();