VST: Add workaround for small effect window on project load

plugins/VstEffect/VstEffectControlDialog.cpp

@@ -41,7 +41,6 @@
 #include <QToolBar>
 #include <QLabel>
 
-
 VstEffectControlDialog::VstEffectControlDialog( VstEffectControls * _ctl ) :
 	EffectControlDialog( _ctl ),
 	m_pluginWidget( NULL ),
@@ -274,6 +273,17 @@ void VstEffectControlDialog::paintEvent( QPaintEvent * )
 	}
 }
 
+void VstEffectControlDialog::showEvent(QShowEvent *_se)
+{
+	EffectControlDialog::showEvent( _se );
+	// Workaround for a (unexplained) bug where on project-load the effect
+	// control window has size 0 and would only restore to the proper size upon
+	// moving the window or interacting with it.
+	if (parentWidget()) {
+		parentWidget()->adjustSize();
+	}
+}
+
 
 
 

plugins/VstEffect/VstEffectControlDialog.h

@@ -50,6 +50,7 @@ class VstEffectControlDialog : public EffectControlDialog
 
 protected:
 	virtual void paintEvent( QPaintEvent * _pe );
+	virtual void showEvent( QShowEvent* _se ) override;
 
 private:
 	QWidget * m_pluginWidget;