- changed appeareance settings to be able to choose between "y-stretch"

 and "no y-stretch" in cakewalk mode
- when changing Midi to Drum or Drum to Midi in tlist, now a songChanged()
  gets emitted (fixes bug: slivers were not redrawn when changing that)

1 files changed, 36 insertions, 24 deletions

diff --git a/muse2/muse/arranger/pcanvas.cpp b/muse2/muse/arranger/pcanvas.cpp
index 9ad7bf3c..a37e237e 100644
--- a/muse2/muse/arranger/pcanvas.cpp
+++ b/muse2/muse/arranger/pcanvas.cpp
@@ -1721,42 +1721,54 @@ void PartCanvas::drawMidiPart(QPainter& p, const QRect&, EventList* events, Midi
       int highest_pitch=0;
       map<int,int> y_mapper;
       
-      for (iEvent i = events->begin(); i != ito; ++i)
+      if (config.canvasShowPartType & 4) //y-stretch?
       {
-        if (i->second.type()==Note)
+        for (iEvent i = events->begin(); i != ito; ++i)
         {
-          int pitch=i->second.pitch();
-
-          if (!isdrum)
+          if (i->second.type()==Note)
           {
-            if (pitch > highest_pitch) highest_pitch=pitch;
-            if (pitch < lowest_pitch) lowest_pitch=pitch;
+            int pitch=i->second.pitch();
+
+            if (!isdrum)
+            {
+              if (pitch > highest_pitch) highest_pitch=pitch;
+              if (pitch < lowest_pitch) lowest_pitch=pitch;
+            }
+            else
+            {
+              y_mapper.insert(pair<int,int>(pitch, 0));
+            }
           }
-          else
+        }
+        
+        if (isdrum)
+        {
+          int cnt=0;
+          for (map<int,int>::iterator it=y_mapper.begin(); it!=y_mapper.end(); it++)
           {
-            y_mapper.insert(pair<int,int>(pitch, 0));
+            it->second=cnt;
+            cnt++;
           }
+          lowest_pitch=0;
+          highest_pitch=cnt-1;
         }
-      }
-      
-      if (isdrum)
-      {
-        int cnt=0;
-        for (map<int,int>::iterator it=y_mapper.begin(); it!=y_mapper.end(); it++)
+        
+        if (lowest_pitch==highest_pitch)
         {
-          it->second=cnt;
-          cnt++;
+          lowest_pitch--;
+          highest_pitch++;
         }
-        lowest_pitch=0;
-        highest_pitch=cnt-1;
       }
-      
-      if (lowest_pitch==highest_pitch)
+      else
       {
-        lowest_pitch--;
-        highest_pitch++;
-      }
+        lowest_pitch=0;
+        highest_pitch=127;
 
+        if (isdrum)
+          for (int cnt=0;cnt<127;cnt++)
+            y_mapper[cnt]=cnt;
+      }
+      
       for (iEvent i = events->begin(); i != ito; ++i) {
             int t  = i->first + pTick;
             int te = t + i->second.lenTick();