Clean up some uninitialized values flagged by valgrind.

canvas.C

@@ -63,10 +63,11 @@ Canvas::_alloc_array ( void )
 
 Canvas::Canvas ( )
 {
-    m.height = m.width = m.div_w = m.div_h = m.playhead = m.margin_top = m.margin_left = m.playhead = m.w = m.h = m.p1 = m.p2 = 0;
+    m.origin_x = m.origin_y = m.height = m.width = m.div_w = m.div_h = m.playhead = m.margin_top = m.margin_left = m.playhead = m.w = m.h = m.p1 = m.p2 = 0;
 
     m.margin_top = ruler_height;
 
+    m.draw = false;
     m.ruler_drawn = false;
     m.mapping_drawn = false;
     m.grid_drawn = false;
@@ -269,7 +270,7 @@ Canvas::copy ( void )
 void
 Canvas::_reset ( void )
 {
-    cell_t empty;
+    cell_t empty = {0,0,0,0};
 
     for ( uint y = m.vp->h; y-- ; )
         for ( uint x = m.vp->w; x-- ; )

grid.C

@@ -51,6 +51,7 @@ Grid::Grid ( void )
     viewport.x = 0;
     viewport.y = 0;
 
+    _playing = false;
     _start = _end = _index = 0;
 }
 

gui/event_edit.fl

@@ -48,7 +48,11 @@ _grid->events( _old );
 
 delete _old;
 
-delete window;} open
+_el = _old = NULL;
+
+o->hide();
+
+Fl::delete_widget( o );} open selected
       xywh {704 82 659 803} type Double box DOWN_BOX resizable
       code0 {\#include "event_edit.H"}
       code1 {\#include "../grid.H"}
@@ -244,8 +248,7 @@ else
 {
 	scroll_bar->hide();
 	scroll_w->size( scroll_w->parent()->w(), scroll_w->parent()->h() );
-}} {selected
-    }
+}} {}
   }
   Function {scroll( int y )} {open return_type void
   } {
@@ -291,6 +294,7 @@ while( w->shown() )
 widget_class Event_Widget {user_data_type {void *} open
   xywh {969 357 594 31} type Single
   code0 {\#include "../event.H"}
+  code1 {_event = NULL;}
   class Fl_Group size_range {400 24 0 24} visible
 } {
   decl {static const Fl_Color note_color = FL_BLACK;} {}
@@ -326,6 +330,8 @@ for ( int i = 2; i < children(); i++ )
 
 Fl_Valuator *d1, *d2;
 
+d1 = d2 = NULL;
+
 name->color( FL_BLACK );
 name->value( e->selected() );
 

gui/ui.fl

@@ -1388,8 +1388,7 @@ if ( _c )
 }
 
 
-// Fl_Window::resize( x, y, w, h );} {selected
-    }
+// Fl_Window::resize( x, y, w, h );} {}
   }
   Function {draw()} {open return_type void
   } {
@@ -1505,6 +1504,66 @@ _border_drawn = true;} {}
   }
 } 
 
+class Instrument_Editor {} {
+  Function {Instrument_Editor()} {open return_type void
+  } {
+    code {make_window();} {}
+  }
+  decl {Instrument *_inst;} {}
+  decl {int _note;} {}
+  Function {make_window()} {open
+  } {
+    Fl_Window window {
+      label {Instrument Editor}
+      callback {done->do_callback();} open
+      xywh {670 458 339 191} type Double visible
+    } {
+      Fl_Box {} {
+        label {Instrument Row}
+        xywh {8 15 321 28} box ROUNDED_BOX color 94 labelsize 22 labelcolor 39
+      }
+      Fl_Input name_field {
+        label Name
+        callback {_inst->note_name( _note, strdup( o->value() ) );}
+        xywh {10 70 321 25} selection_color 48 align 1 when 1 textcolor 32
+      }
+      Fl_Value_Slider volume_slider {
+        label {Volume %}
+        callback {_inst->velocity( _note, o->value() );}
+        xywh {10 112 321 27} type Horizontal align 1 maximum 100 step 1 textsize 14
+      }
+      Fl_Value_Output note_field {
+        label {Note:}
+        xywh {52 158 43 24}
+      }
+      Fl_Return_Button done {
+        label Done
+        callback {if ( _inst )
+	_inst->save();
+	
+window->hide();}
+        xywh {255 157 76 25}
+      }
+    }
+  }
+  Function {set( Instrument *i, int n )} {open return_type void
+  } {
+    code {_inst = i;
+_note = n;
+
+volume_slider->value( i->velocity( n ) );
+name_field->value( i->note_name( n ) );
+note_field->value( n );} {}
+  }
+  Function {run()} {open return_type void
+  } {
+    code {window->show();
+
+while ( window->shown() )
+	Fl::wait();} {}
+  }
+} 
+
 class Trigger {: {public Fl_Dial}
 } {
   Function {Trigger( int X, int Y, int W, int H, const char *L = 0 ) : Fl_Dial( X, Y, W, H, L )} {open
@@ -1574,67 +1633,7 @@ return r;} {}
   }
 } 
 
-class Instrument_Editor {} {
-  Function {Instrument_Editor()} {open return_type void
-  } {
-    code {make_window();} {}
-  }
-  decl {Instrument *_inst;} {}
-  decl {int _note;} {}
-  Function {make_window()} {open
-  } {
-    Fl_Window window {
-      label {Instrument Editor}
-      callback {done->do_callback();} open
-      xywh {670 458 339 191} type Double visible
-    } {
-      Fl_Box {} {
-        label {Instrument Row}
-        xywh {8 15 321 28} box ROUNDED_BOX color 94 labelsize 22 labelcolor 39
-      }
-      Fl_Input name_field {
-        label Name
-        callback {_inst->note_name( _note, strdup( o->value() ) );}
-        xywh {10 70 321 25} selection_color 48 align 1 when 1 textcolor 32
-      }
-      Fl_Value_Slider volume_slider {
-        label {Volume %}
-        callback {_inst->velocity( _note, o->value() );}
-        xywh {10 112 321 27} type Horizontal align 1 maximum 100 step 1 textsize 14
-      }
-      Fl_Value_Output note_field {
-        label {Note:}
-        xywh {52 158 43 24}
-      }
-      Fl_Return_Button done {
-        label Done
-        callback {if ( _inst )
-	_inst->save();
-	
-window->hide();}
-        xywh {255 157 76 25}
-      }
-    }
-  }
-  Function {set( Instrument *i, int n )} {open return_type void
-  } {
-    code {_inst = i;
-_note = n;
-
-volume_slider->value( i->velocity( n ) );
-name_field->value( i->note_name( n ) );
-note_field->value( n );} {}
-  }
-  Function {run()} {open return_type void
-  } {
-    code {window->show();
-
-while ( window->shown() )
-	Fl::wait();} {}
-  }
-} 
-
-widget_class Triggers {
+widget_class Triggers {open
   xywh {121 31 1278 1003} type Double hide resizable
   code0 {populate();}
   code1 {\#include <Fl/Fl_Dial.H>}
@@ -1717,7 +1716,7 @@ for ( i = 0; i < MAX_PATTERN; i++ )
 	{
 		b->color( fl_lighter( FL_GRAY ) );
 		
-		Fl_Color c;
+		Fl_Color c = FL_BLUE;
 		
 		switch ( p->mode() )
 		{
@@ -1741,7 +1740,8 @@ for ( i = 0; i < MAX_PATTERN; i++ )
 		b->value( 0 );
 	}
 		
-}} {}
+}} {selected
+    }
   }
   Function {resize( int X, int Y, int W, int H )} {open return_type void
   } {

instrument.C

@@ -291,7 +291,7 @@ Instrument::listing ( void )
 
     delete sys;
 
-    char **sa = (char**)malloc( usr->size() * sizeof( char * ) + 1 );
+    char **sa = (char**)malloc( (usr->size() + 1) * sizeof( char * ) );
 
     int i = 0;
     for ( list <string>::iterator s = usr->begin(); s != usr->end(); s++, i++ )

sequence.C

@@ -31,7 +31,10 @@
 sequence::sequence ( void )
 {
     _rd = new data;
-    _notes = NULL;
+    _name = _notes = NULL;
+
+    _index = 0;
+    _playing = 0;
 }