Pretty interface in default theme for fx sends

Created a user interface so you can add and remove FX sends as
well as tweak how much you are sending. The gui does not
yet prevent the user from creating endless render loops.
Additionally, there seems to be some issues to work out regarding
rendering with multiple sends.

include/FxLine.h

@@ -0,0 +1,38 @@
+#ifndef FXLINE_H
+#define FXLINE_H
+
+#include <QWidget>
+#include <QLabel>
+
+#include "knob.h"
+#include "SendButtonIndicator.h"
+
+class FxMixerView;
+class SendButtonIndicator;
+
+class FxLine : public QWidget
+{
+	Q_OBJECT
+public:
+	FxLine( QWidget * _parent, FxMixerView * _mv, int _channelIndex);
+
+	virtual void paintEvent( QPaintEvent * );
+	virtual void mousePressEvent( QMouseEvent * );
+	virtual void mouseDoubleClickEvent( QMouseEvent * );
+
+	inline int channelIndex() { return m_channelIndex; }
+
+	knob * m_sendKnob;
+	SendButtonIndicator * m_sendBtn;
+
+
+private:
+	FxMixerView * m_mv;
+
+
+	int m_channelIndex;
+
+} ;
+
+
+#endif // FXLINE_H

include/FxMixerView.h

@@ -29,60 +29,74 @@
 #include <QtGui/QHBoxLayout>
 #include <QtGui/QScrollArea>
 
+#include "FxLine.h"
 #include "FxMixer.h"
 #include "ModelView.h"
+#include "engine.h"
+#include "fader.h"
+#include "pixmap_button.h"
+#include "tooltip.h"
+#include "embed.h"
+#include "EffectRackView.h"
 
 class QStackedLayout;
 class QButtonGroup;
-class fader;
 class FxLine;
-class EffectRackView;
-class pixmapButton;
-
 
 class FxMixerView : public QWidget, public ModelView,
 					public SerializingObjectHook
 {
 	Q_OBJECT
 public:
-	FxMixerView();
-	virtual ~FxMixerView();
-
-	virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
-	virtual void loadSettings( const QDomElement & _this );
-
-	FxLine * currentFxLine()
-	{
-		return m_currentFxLine;
-	}
-	void setCurrentFxLine( FxLine * _line );
-	void setCurrentFxLine( int _line );
-
-	void clear();
-
-
-private slots:
-	void updateFaders();
-	void addNewChannel();
-
-private:
 	struct FxChannelView
 	{
+		FxChannelView(QWidget * _parent, FxMixerView * _mv, int _chIndex );
+
 		FxLine * m_fxLine;
 		EffectRackView * m_rackView;
 		pixmapButton * m_muteBtn;
 		fader * m_fader;
 	} ;
 
-	QVector<FxChannelView> m_fxChannelViews;
+
+	FxMixerView();
+	virtual ~FxMixerView();
+
+	virtual void saveSettings( QDomDocument & _doc, QDomElement & _this );
+	virtual void loadSettings( const QDomElement & _this );
+
+	inline FxLine * currentFxLine()
+	{
+		return m_currentFxLine;
+	}
+
+	inline FxChannelView * channelView(int index)
+	{
+		return m_fxChannelViews[index];
+	}
+
+	void setCurrentFxLine( FxLine * _line );
+	void setCurrentFxLine( int _line );
+
+	void clear();
+
+
+	// display the send button and knob correctly
+	void updateFxLine(int i);
+
+private slots:
+	void updateFaders();
+	void addNewChannel();
+
+private:
+
+	QVector<FxChannelView *> m_fxChannelViews;
 
 	QStackedLayout * m_fxRacksLayout;
 	FxLine * m_currentFxLine;
 
 	QScrollArea * channelArea;
 	QHBoxLayout * chLayout;
-
-	void addFxLine(int i, QWidget * parent, QLayout * layout);
 } ;
 
 #endif

include/SendButtonIndicator.h

@@ -0,0 +1,32 @@
+#ifndef SENDBUTTONINDICATOR_H
+#define SENDBUTTONINDICATOR_H
+
+#include <QLabel>
+#include <QDebug>
+#include <QPixmap>
+
+#include "FxLine.h"
+#include "FxMixerView.h"
+
+class FxLine;
+class FxMixerView;
+
+class SendButtonIndicator : public QLabel {
+	public:
+		SendButtonIndicator( QWidget * _parent, FxLine * _owner,
+							 FxMixerView * _mv);
+
+		virtual void mousePressEvent( QMouseEvent * e );
+		void updateLightStatus();
+
+	private:
+
+		FxLine * m_parent;
+		FxMixerView * m_mv;
+		QPixmap qpmOn;
+		QPixmap qpmOff;
+
+		FloatModel * getSendModel();
+};
+
+#endif // SENDBUTTONINDICATOR_H