-Added metronome on / off toggle button

src/event.hxx

@@ -22,6 +22,7 @@ namespace Event
     RECORD,
     
     LOOPER_STATE,
+    METRONOME_ACTIVE,
   };
 };
 
@@ -92,20 +93,16 @@ class EventPlaySample : public EventBase
     }
 };
 
-class EventRecord : public EventBase
+class EventMetronomeActive : public EventBase
 {
   public:
-    int type() { return int(RECORD); }
-    uint32_t size() { return sizeof(EventRecord); }
+    int type() { return int(METRONOME_ACTIVE); }
+    uint32_t size() { return sizeof(EventMetronomeActive); }
     
-    int track;
-    bool record;
+    bool active;
     
-    EventRecord(int t, bool b)
-    {
-      track = t;
-      record = b;
-    }
+    EventMetronomeActive() : active(false) {}
+    EventMetronomeActive(bool a) : active(a) {}
 };
 
 

src/eventhandlerdsp.cxx

@@ -50,11 +50,11 @@ void handleDspEvents()
             jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventPlaySample) );
             //jack->setPlayBuffer( ev.track, ev.bufferID );
           } break; }
-        case Event::RECORD: {
-          if ( availableRead >= sizeof(EventRecord) ) {
-            EventRecord ev(0,0);
-            jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventRecord) );
-            //jack->setRecord( ev.track, ev.record );
+        case Event::METRONOME_ACTIVE: {
+          if ( availableRead >= sizeof(EventMetronomeActive) ) {
+            EventMetronomeActive ev(false);
+            jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventMetronomeActive) );
+            jack->getMetronome()->setActive(ev.active);
           } break; }
         case Event::LOOPER_STATE: {
           if ( availableRead >= sizeof(EventLooperState) ) {

src/gtrack.hxx

@@ -17,7 +17,7 @@
 
 using namespace std;
 
-static void button_callback(Fl_Widget *w, void *data) {
+static void gtrack_button_callback(Fl_Widget *w, void *data) {
   int track = *(int*)data;
   cout << "Button " << *(int*)data << " " << w->label() << " clicked" << endl;
   
@@ -63,12 +63,12 @@ class GTrack : public Fl_Group
     {
       ID = privateID++;
       
-      button1.callback( button_callback, &ID );
-      button2.callback( button_callback, &ID );
-      button3.callback( button_callback, &ID );
-      button4.callback( button_callback, &ID );
-      button5.callback( button_callback, &ID );
-      button6.callback( button_callback, &ID );
+      button1.callback( gtrack_button_callback, &ID );
+      button2.callback( gtrack_button_callback, &ID );
+      button3.callback( gtrack_button_callback, &ID );
+      button4.callback( gtrack_button_callback, &ID );
+      button5.callback( gtrack_button_callback, &ID );
+      button6.callback( gtrack_button_callback, &ID );
       
       end(); // close the group
     }

src/gui.cxx

@@ -1,6 +1,7 @@
 
 #include "gui.hxx"
 #include "avtk/avtk_image.h"
+#include "avtk/avtk_button.h"
 
 #include <sstream>
 
@@ -9,15 +10,27 @@ int GTrack::privateID = 0;
 
 using namespace std;
 
-Gui::Gui()
+static void gui_button_callback(Fl_Widget *w, void *data)
 {
-  window = new Fl_Double_Window(600,280);
-  window->color(FL_BLACK);
-  window->label("Luppp 5");
-  
+  Avtk::Button* b = (Avtk::Button*)w;
+  if ( strcmp( w->label(), "Metronome" ) == 0 )
+  {
+    b->value( !b->value() );
+    EventMetronomeActive e = EventMetronomeActive( b->value() );
+    writeToDspRingbuffer( &e );
+  }
+}
+
+Gui::Gui() :
+    window(600,280)
+{
+  window.color(FL_BLACK);
+  window.label("Luppp 5");
   
   Avtk::Image* header = new Avtk::Image(0,0,600,36,"header.png");
   
+  metronomeButton = new Avtk::Button(0,0,200,30,"Metronome");
+  
   for (int i = 0; i < 5; i++ )
   {
     stringstream s;
@@ -25,16 +38,18 @@ Gui::Gui()
     tracks.push_back( new GTrack(8 + i * 118, 40, 110, 230, s.str().c_str() ) );
   }
   
+  metronomeButton->callback( gui_button_callback, 0 );
+  
   box = new Fl_Box(655, 5, 200, 60, "BPM = 120");
   box->box(FL_UP_BOX);
   box->labelsize(36);
   box->labeltype(FL_SHADOW_LABEL);
   
-  window->end();
+  window.end();
 }
 
 int Gui::show()
 {
-  window->show();
+  window.show();
   return Fl::run();
 }

src/gui.hxx

@@ -19,9 +19,10 @@ class Gui
     int show();
   
   private:
-    Fl_Double_Window*  window;
-    Fl_Box*     box;
-    vector<GTrack*> tracks;
+    Fl_Double_Window    window;
+    Fl_Box*             box;
+    Avtk::Button*       metronomeButton;
+    vector<GTrack*>     tracks;
 };
 
 #endif // LUPPP_GUI

src/jack.hxx

@@ -37,6 +37,7 @@ class Jack
       loopers.at(t)->setState(s);
     }
     
+    Metronome*   getMetronome(){return &metronome;}
     TimeManager* getTimeManager(){return &timeManager;}
   
   private:

src/metronome.hxx

@@ -17,7 +17,8 @@ class Metronome : public Observer
   public:
     Metronome() :
       playPoint  (0),
-      playBar    (false)
+      playBar    (false),
+      active     (true)
     {
       // create beat and bar samples
       endPoint = (44100.f/441);
@@ -31,6 +32,11 @@ class Metronome : public Observer
       }
     }
     
+    void setActive(bool a)
+    {
+      active = a;
+    }
+    
     void bar()
     {
       playPoint = 0;
@@ -51,6 +57,9 @@ class Metronome : public Observer
     
     void process(int nframes, Buffers* buffers)
     {
+      if ( not active )
+        return;
+      
       float* out = buffers->audio[Buffers::MASTER_OUTPUT];
       
       float* sample = &beatSample[0];
@@ -69,6 +78,7 @@ class Metronome : public Observer
   private:
     int fpb;
     bool playBar;
+    bool active;
     
     int playPoint, endPoint;
     float barSample[44100];