# HG changeset patch
# User Chris Cannam
# Date 1480067856 0
# Node ID 3ef81d81b767f8c25ee9453bfa1c3a03fc2db6cd
# Parent  86cd0e81ed07a60cc55b57f0f63757b6077000f5
Add Winnow as well

diff -r 86cd0e81ed07 -r 3ef81d81b767 .hgsubstate
--- a/.hgsubstate	Fri Nov 25 09:38:53 2016 +0000
+++ b/.hgsubstate	Fri Nov 25 09:57:36 2016 +0000
@@ -7,7 +7,7 @@
 68ae618c6b0e442d08a71d39217784a08f2a8de3 icons/scalable
 3257ddb6fff110cc88f3ffeaeefa0f29d5eb3b6f piper-cpp
 e1712f7d74a455337591091a57beba2f0443b9dd sv-dependency-builds
-dd195633fc9fd3735dcf49fb71c9d881ad55e1ce svapp
-22f66068b464abca422ba876d42ef08c9477de86 svcore
+287fce13a1aefc604e88f34a355ede7dc8306187 svapp
+4b0c968a581a44a9447b9c7120de262fe50069f8 svcore
 958e352919a587f0e9702b0d43f5667b8167e71c svgui
 0eebd22a081a824067bf3d5de65326696feab653 vamp-plugin-sdk
diff -r 86cd0e81ed07 -r 3ef81d81b767 main/MainWindow.cpp
--- 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();
diff -r 86cd0e81ed07 -r 3ef81d81b767 main/MainWindow.h
--- a/main/MainWindow.h	Fri Nov 25 09:38:53 2016 +0000
+++ b/main/MainWindow.h	Fri Nov 25 09:57:36 2016 +0000
@@ -91,6 +91,7 @@
     virtual void setInstantsCounters();
     virtual void resetInstantsCounters();
     virtual void subdivideInstants();
+    virtual void winnowInstants();
 
     virtual void modelGenerationFailed(QString, QString);
     virtual void modelGenerationWarning(QString, QString);