connected effect UI to enabled setting

effects/effect.h

@@ -154,7 +154,6 @@ public:
   int gizmo_count();
 
   bool IsEnabled();
-  void SetEnabled(bool b);
 
   virtual void refresh();
 
@@ -214,6 +213,7 @@ public:
   static const EffectMeta* GetInternalMeta(int internal_id, int type);
 public slots:
   void FieldChanged();
+  void SetEnabled(bool b);
 signals:
   void EnabledChanged(bool);
 private slots:

effects/fields/doublefield.cpp

@@ -102,11 +102,12 @@ void DoubleField::UpdateFromWidget(double d)
   }
 
   SetValueAt(Now(), d);
-  GetParentRow()->SetKeyframeOnAllFields(nullptr);
 
   if (!ls->IsDragging() && kdc_ != nullptr) {
     kdc_->SetNewKeyframes();
+
     olive::UndoStack.push(kdc_);
+
     kdc_ = nullptr;
   }
 }

ui/collapsiblewidget.cpp

@@ -52,7 +52,7 @@ CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent) {
   header = new QLabel(title_bar);
   collapse_button = new QPushButton(title_bar);
   collapse_button->setIconSize(collapse_button->iconSize()*0.5);
-  collapse_button->setStyleSheet("QPushButton { border: none; }");
+  collapse_button->setFlat(true);
   SetText(tr("<untitled>"));
   title_bar_layout->addWidget(collapse_button);
   title_bar_layout->addWidget(enabled_check);
@@ -103,7 +103,7 @@ void CollapsibleWidget::SetContents(QWidget* c) {
   contents = c;
   if (!existing) {
     layout->addWidget(contents);
-    connect(enabled_check, SIGNAL(toggled(bool)), this, SLOT(on_enabled_change(bool)));
+    connect(enabled_check, SIGNAL(toggled(bool)), contents, SLOT(setEnabled(bool)));
     connect(collapse_button, SIGNAL(clicked()), this, SLOT(on_visible_change()));
   }
 }
@@ -112,10 +112,6 @@ void CollapsibleWidget::SetText(const QString &s) {
   header->setText(s);
 }
 
-void CollapsibleWidget::on_enabled_change(bool b) {
-  contents->setEnabled(b);
-}
-
 void CollapsibleWidget::on_visible_change() {
   contents->setVisible(!contents->isVisible());
   set_button_icon(contents->isVisible());

ui/collapsiblewidget.h

@@ -72,7 +72,6 @@ signals:
   void visibleChanged();
 
 private slots:
-  void on_enabled_change(bool b);
   void on_visible_change();
 
 public slots:

ui/effectui.cpp

@@ -78,7 +78,9 @@ EffectUI::EffectUI(Effect* e) :
     layout_->addWidget(nav, i, maximum_column);
   }
 
-  connect(enabled_check, SIGNAL(clicked(bool)), e, SLOT(FieldChanged()));
+  enabled_check->setChecked(e->IsEnabled());
+  connect(enabled_check, SIGNAL(toggled(bool)), e, SLOT(FieldChanged()));
+  connect(enabled_check, SIGNAL(toggled(bool)), e, SLOT(SetEnabled(bool)));
 }
 
 Effect *EffectUI::GetEffect()