added files straight from Yves' sources

svn path=/trunk/externals/unauthorized/; revision=859

8 files changed, 1140 insertions, 0 deletions

diff --git a/pianoroll/CHANGES.LOG b/pianoroll/CHANGES.LOG
new file mode 100644
index 0000000..59034b6
--- /dev/null
+++ b/pianoroll/CHANGES.LOG
@@ -0,0 +1,16 @@
+0.7
+  added "pitch x y" and "volume x y" messages
+0.6
+  added capability of saving and restoring patterns with "save" and "load" messages
+0.5
+  added init message
+0.4
+  fixed : last volume was not restored properly
+0.3
+  added the ability to be scanned backwards     
+0.2
+  added interpolation : getting values for non-integer input
+  this enables glissando                                         
+  fixed double-view pitches
+0.1
+  basic implementation of a sequencer's like pianoroll
diff --git a/pianoroll/INSTALL b/pianoroll/INSTALL
new file mode 100644
index 0000000..b7c38be
--- /dev/null
+++ b/pianoroll/INSTALL
@@ -0,0 +1,15 @@
+untar in /my/pd/dir/externs
+
+cd /my/pd/dir/externs/pianoroll
+
+make clean 
+
+make
+
+make install
+
+open help-pianoroll.pd
+
+Thanx for getting here.
+Yves/
+comments and bugs @ ydegoyon@free.fr
diff --git a/pianoroll/README b/pianoroll/README
new file mode 100644
index 0000000..dfbf642
--- /dev/null
+++ b/pianoroll/README
@@ -0,0 +1,18 @@
+Version 0.01 

+copyleft 2001 by Yves Degoyon

+tarballs and updates available @ http://ydegoyon.free.fr

+

+pianoroll : a graphical sequencer controller

+

+To install pianoroll, follow the steps from INSTALL

+

+This software is published under GPL terms.

+

+This is software with ABSOLUTELY NO WARRANTY.

+Use it at your OWN RISK. It's possible to damage e.g. hardware or your hearing

+due to a bug or for other reasons. 

+We do not warrant that the program is free of infringement of any third-party

+patents.

+

+*****************************************************************************

+

diff --git a/pianoroll/help-pianoroll.pd b/pianoroll/help-pianoroll.pd
new file mode 100644
index 0000000..809fec9
--- /dev/null
+++ b/pianoroll/help-pianoroll.pd
@@ -0,0 +1,80 @@
+#N canvas 90 41 827 643 10;
+#X floatatom 71 402 5 0 0;
+#X floatatom 258 400 5 0 0;
+#X text 523 112 (invoke with <right mouse>Properties );
+#X text 524 101 You can set the following properties :;
+#X text 548 141 * Width : graphical x size;
+#X text 548 152 * Height : graphical y size;
+#X text 488 548 bugs and comments @ ydegoyon@free.fr;
+#X msg 587 271 \; pd dsp 0;
+#X msg 653 271 \; pd dsp 1;
+#X text 548 129 * Name;
+#X text 119 401 Pitch;
+#X text 304 399 Volume ( scaled to [0 \, 1] );
+#X text 547 164 * Pitch min : minimum value delivered by left outlet
+;
+#X text 547 176 * Pitch max : maximum value delivered by left outlet
+;
+#X text 547 200 * Step number : number of steps;
+#X text 524 79 ( pitch & volume originally but \, really \, anything
+you like );
+#X msg 238 87 transpose \$1;
+#X floatatom 334 89 5 0 0;
+#X text 240 104 You can transpose the melody ( ?? );
+#X text 241 115 with a float value;
+#X text 548 211 * Default value : must be in [min \, max];
+#X obj 65 165 pianoroll pianoroll1 400 192 -15 15 32 16 0 0 1 -12.0968
+0.741935 -3.3871 0.16129 5.32258 0.16129 -4.35484 0.354839 6.29032
+0.322581 6.29032 1 5.32258 1 -12.0968 0.290323 -10.1613 0.290323 -8.22581
+0.580645 -5.32258 1 7.25807 1 -10.1613 0.580645 -15 0.612903 -15 0.580645
+-15 1;
+#X msg 47 18 bang;
+#X obj 46 80 f;
+#X obj 76 80 + 1;
+#X floatatom 9 104 5 0 0;
+#X obj 47 44 metro 500;
+#X text 527 65 Pianoroll controls two parameters for a sequencer;
+#X text 548 188 * Pitch grades : number of grades for the pitch;
+#X msg 82 18 stop;
+#X floatatom 13 140 5 0 0;
+#X text 57 1 forward;
+#X text 144 0 backward;
+#X msg 136 15 bang;
+#X obj 135 77 f;
+#X obj 136 41 metro 500;
+#X msg 171 16 stop;
+#X obj 165 77 - 1;
+#X msg 239 59 init;
+#X text 279 60 init to default values;
+#X msg 241 33 load pattern#1;
+#X text 352 19 load and save the patterns;
+#X text 352 31 ( values as well as steps number .... );
+#X msg 241 10 save pattern#1;
+#X text 544 383 you can set the pitch and;
+#X text 544 397 the volume with messages;
+#X text 544 409 ( positions start at zero );
+#X msg 541 358 volume 3 0.345;
+#X msg 542 334 pitch 3 -5;
+#X connect 16 0 21 0;
+#X connect 17 0 16 0;
+#X connect 21 0 0 0;
+#X connect 21 1 1 0;
+#X connect 22 0 26 0;
+#X connect 23 0 21 0;
+#X connect 23 0 24 0;
+#X connect 23 0 25 0;
+#X connect 24 0 23 1;
+#X connect 26 0 23 0;
+#X connect 29 0 26 0;
+#X connect 30 0 21 0;
+#X connect 33 0 35 0;
+#X connect 34 0 37 0;
+#X connect 34 0 21 0;
+#X connect 35 0 34 0;
+#X connect 36 0 35 0;
+#X connect 37 0 34 1;
+#X connect 38 0 21 0;
+#X connect 40 0 21 0;
+#X connect 43 0 21 0;
+#X connect 47 0 21 0;
+#X connect 48 0 21 0;
diff --git a/pianoroll/pattern#1 b/pianoroll/pattern#1
new file mode 100644
index 0000000..e9e4ecb
--- /dev/null
+++ b/pianoroll/pattern#1
@@ -0,0 +1 @@
+400 192 -15.000000 15.000000 32 16 0 0.000000 1 -12.096774 0.741935 -3.387097 0.258065 5.322581 0.161290 3.387097 0.032258 -5.322581 0.322581 10.161290 1.000000 5.322581 1.000000 -12.096774 0.290323 -10.161290 0.290323 -8.225806 0.580645 -5.322581 1.000000 7.258065 1.000000 -10.161290 0.580645 -15.000000 0.612903 -15.000000 0.580645 -15.000000 1.000000 
\ No newline at end of file
diff --git a/pianoroll/pianoroll.c b/pianoroll/pianoroll.c
new file mode 100644
index 0000000..9f97f05
--- /dev/null
+++ b/pianoroll/pianoroll.c
@@ -0,0 +1,806 @@
+/* Copyright (c) 1997-1999 Miller Puckette.                                     */
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL     */
+/* WARRANTIES, see the file, "LICENSE.txt," in this distribution.               */
+/*                                                                              */
+/* pianoroll : a graphical object which enables                                 */
+/* to control a sequencer ( pitch and volume )                                  */
+/*                                                                              */
+/* Copyleft Yves Degoyon ( ydegoyon@free.fr )                                   */
+/*                                                                              */
+/* This program is free software; you can redistribute it and/or                */
+/* modify it under the terms of the GNU General Public License                  */
+/* as published by the Free Software Foundation; either version 2               */
+/* of the License, or (at your option) any later version.                       */
+/*                                                                              */
+/* See file LICENSE for further informations on licensing terms.                */
+/*                                                                              */
+/* This program is distributed in the hope that it will be useful,              */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/* GNU General Public License for more details.                                 */
+/*                                                                              */
+/* You should have received a copy of the GNU General Public License            */
+/* along with this program; if not, write to the Free Software                  */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.  */
+/*                                                                              */
+/* Based on PureData by Miller Puckette and others.                             */
+/*                                                                              */
+/* "If you obey society's rules"                                                */
+/* "You'll be society's fool"                                                   */
+/* Devo - Society's rules                                                       */
+/* ---------------------------------------------------------------------------- */
+
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+#include <ctype.h>
+#include "m_imp.h"
+#include "g_canvas.h"
+#include "t_tk.h"
+#include "pianoroll.h"
+
+#ifdef NT
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+/* needed to create a pianoroll from PD's menu
+void canvas_objtext(t_glist *gl, int xpos, int ypos, int selected, t_binbuf *b);
+void canvas_startmotion(t_canvas *x);
+*/
+
+#define DEFAULT_SEQUENCER_WIDTH 200
+#define DEFAULT_SEQUENCER_HEIGHT 200
+#define DEFAULT_SEQUENCER_STEPS 16
+#define DEFAULT_SEQUENCER_NBGRADES 31
+#define DEFAULT_SEQUENCER_PITCH_MIN -15
+#define DEFAULT_SEQUENCER_PITCH_MAX 15
+
+static char   *pianoroll_version = "pianoroll: a graphical sequencer controller, version 0.7 (ydegoyon@free.fr)"; 
+
+t_widgetbehavior pianoroll_widgetbehavior;
+static t_class *pianoroll_class;
+static int pianorollcount=0;
+
+static int guidebug=0;
+static int pointsize = 5;
+
+#define SYS_VGUI2(a,b) if (guidebug) \
+                         post(a,b);\
+                         sys_vgui(a,b)
+
+#define SYS_VGUI3(a,b,c) if (guidebug) \
+                         post(a,b,c);\
+                         sys_vgui(a,b,c)
+
+#define SYS_VGUI4(a,b,c,d) if (guidebug) \
+                         post(a,b,c,d);\
+                         sys_vgui(a,b,c,d)
+
+#define SYS_VGUI5(a,b,c,d,e) if (guidebug) \
+                         post(a,b,c,d,e);\
+                         sys_vgui(a,b,c,d,e)
+
+#define SYS_VGUI7(a,b,c,d,e,f,g) if (guidebug) \
+                         post(a,b,c,d,e,f,g );\
+                         sys_vgui(a,b,c,d,e,f,g)
+
+#define SYS_VGUI9(a,b,c,d,e,f,g,h,i) if (guidebug) \
+                         post(a,b,c,d,e,f,g,h,i );\
+                         sys_vgui(a,b,c,d,e,f,g,h,i)
+
+/* drawing functions */
+static void pianoroll_draw_update(t_pianoroll *x, t_glist *glist)
+{
+  int si;
+
+    t_canvas *canvas=glist_getcanvas(glist);
+    for ( si=0; si<x->x_nbsteps; si++ )
+    {
+       int vi = (int)((1.0-x->x_volumes[si])*(x->x_nbgrades-1));
+       int pi = (int)((x->x_pmax-x->x_peaches[si])/(x->x_pmax-x->x_pmin)*(x->x_nbgrades-1));
+
+       x->x_ivolumes[ si ] = vi;
+       x->x_ipeaches[ si ] = pi;
+       SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, si, pi);
+       SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, si, vi);
+    }
+}
+
+static void pianoroll_draw_new(t_pianoroll *x, t_glist *glist)
+{
+    t_canvas *canvas=glist_getcanvas(glist);
+
+    // draw the grid
+    {
+       int gi, gj;
+       t_float xgstep = x->x_width/x->x_nbsteps;
+       t_float ygstep = x->x_height/x->x_nbgrades;
+       for ( gi=0; gi<x->x_nbsteps; gi++ )
+       {
+         for ( gj=0; gj<x->x_nbgrades; gj++ )
+         {
+           SYS_VGUI9(".x%x.c create rectangle %d %d %d %d -fill #771623 -outline #998121 -tags %xPITCH%.4d%.4d\n",
+	     canvas, 
+             x->x_obj.te_xpix+(int)(gi*xgstep), 
+             x->x_obj.te_ypix+(int)(gj*ygstep),
+	     x->x_obj.te_xpix+(int)(gi*xgstep)+(int)(2*xgstep/3), 
+             x->x_obj.te_ypix+(int)((gj+1)*ygstep),
+	     x, gi, gj );
+           SYS_VGUI9(".x%x.c create rectangle %d %d %d %d -fill #562663 -outline #998121 -tags %xVOLUME%.4d%.4d\n",
+	     canvas, 
+	     x->x_obj.te_xpix+(int)(gi*xgstep)+(int)(2*xgstep/3), 
+             x->x_obj.te_ypix+(int)(gj*ygstep),
+	     x->x_obj.te_xpix+(int)((gi+1)*xgstep), 
+             x->x_obj.te_ypix+(int)((gj+1)*ygstep),
+	     x, gi, gj );
+         }
+       }
+       // adjust height and width
+       x->x_width = (int)((x->x_nbsteps)*xgstep);
+       x->x_height = (int)((x->x_nbgrades)*ygstep);
+    }
+    SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xIN\n",
+	     canvas, x->x_obj.te_xpix, x->x_obj.te_ypix - 1,
+	     x->x_obj.te_xpix+7, x->x_obj.te_ypix,
+	     x);
+    SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xOUTL\n",
+	     canvas, x->x_obj.te_xpix, x->x_obj.te_ypix + x->x_height+1,
+	     x->x_obj.te_xpix+7, x->x_obj.te_ypix + x->x_height+2,
+	     x);
+    SYS_VGUI7(".x%x.c create rectangle %d %d %d %d -tags %xOUTR\n",
+	     canvas, x->x_obj.te_xpix+x->x_width-7, x->x_obj.te_ypix + x->x_height+1,
+	     x->x_obj.te_xpix+x->x_width, x->x_obj.te_ypix + x->x_height+2,
+	     x);
+
+    canvas_fixlinesfor( canvas, (t_text*)x );
+}
+
+static void pianoroll_draw_move(t_pianoroll *x, t_glist *glist)
+{
+    t_canvas *canvas=glist_getcanvas(glist);
+
+    // move the grid
+    {
+       int gi, gj;
+       t_float xgstep = x->x_width/x->x_nbsteps;
+       t_float ygstep = x->x_height/x->x_nbgrades;
+       for ( gi=0; gi<x->x_nbsteps; gi++ )
+       {
+         for ( gj=0; gj<x->x_nbgrades; gj++ )
+         {
+           SYS_VGUI9(".x%x.c coords  %xPITCH%.4d%.4d %d %d %d %d\n",
+	     canvas, x, gi, gj,
+             x->x_obj.te_xpix+(int)(gi*xgstep), 
+             x->x_obj.te_ypix+(int)(gj*ygstep),
+	     x->x_obj.te_xpix+(int)(gi*xgstep)+(int)(2*xgstep/3), 
+             x->x_obj.te_ypix+(int)((gj+1)*ygstep)
+	     );
+           SYS_VGUI9(".x%x.c coords %xVOLUME%.4d%.4d %d %d %d %d\n",
+	     canvas, x, gi, gj,
+	     x->x_obj.te_xpix+(int)(gi*xgstep)+(int)(2*xgstep/3), 
+             x->x_obj.te_ypix+(int)(gj*ygstep),
+	     x->x_obj.te_xpix+(int)((gi+1)*xgstep), 
+             x->x_obj.te_ypix+(int)((gj+1)*ygstep)
+	     );
+         }
+       }
+    }
+    SYS_VGUI7(".x%x.c coords %xIN %d %d %d %d \n",
+	     canvas, x, x->x_obj.te_xpix, x->x_obj.te_ypix - 1,
+	     x->x_obj.te_xpix+7, x->x_obj.te_ypix
+	     );
+    SYS_VGUI7(".x%x.c coords %xOUTL %d %d %d %d\n",
+	     canvas, x, x->x_obj.te_xpix, x->x_obj.te_ypix + x->x_height+1,
+	     x->x_obj.te_xpix+7, x->x_obj.te_ypix + x->x_height+2
+	     );
+    SYS_VGUI7(".x%x.c coords %xOUTR %d %d %d %d\n",
+	     canvas, x, x->x_obj.te_xpix+x->x_width-7, x->x_obj.te_ypix + x->x_height+1,
+	     x->x_obj.te_xpix+x->x_width, x->x_obj.te_ypix + x->x_height+2
+	     );
+    canvas_fixlinesfor( canvas, (t_text*)x );
+}
+
+static void pianoroll_draw_erase(t_pianoroll* x,t_glist* glist)
+{
+    t_canvas *canvas=glist_getcanvas(glist);
+    int i;
+
+    SYS_VGUI3(".x%x.c delete %xIN\n", canvas, x);
+    SYS_VGUI3(".x%x.c delete %xOUTL\n", canvas, x);
+    SYS_VGUI3(".x%x.c delete %xOUTR\n", canvas, x);
+    // delete the grid
+    {
+       int gi, gj;
+       for ( gi=0; gi<x->x_nbsteps; gi++ )
+       {
+         for ( gj=0; gj<x->x_nbgrades; gj++ )
+         {
+            SYS_VGUI5(".x%x.c delete %xPITCH%.4d%.4d\n", canvas, x, gi, gj);
+            SYS_VGUI5(".x%x.c delete %xVOLUME%.4d%.4d\n", canvas, x, gi, gj);
+         }
+       }
+    }
+}
+
+static void pianoroll_draw_select(t_pianoroll* x,t_glist* glist)
+{
+    t_canvas *canvas=glist_getcanvas(glist);
+
+    if(x->x_selected)
+    {
+	pd_bind(&x->x_obj.ob_pd, x->x_name);
+        /* sets the item in blue */
+    }
+    else
+    {
+	pd_unbind(&x->x_obj.ob_pd, x->x_name);
+    }
+}
+
+/* ------------------------ pianoroll widgetbehaviour----------------------------- */
+
+
+static void pianoroll_getrect(t_gobj *z, t_glist *owner,
+			    int *xp1, int *yp1, int *xp2, int *yp2)
+{
+   t_pianoroll* x = (t_pianoroll*)z;
+
+   *xp1 = x->x_obj.te_xpix;
+   *yp1 = x->x_obj.te_ypix;
+   *xp2 = x->x_obj.te_xpix+x->x_width;
+   *yp2 = x->x_obj.te_ypix+x->x_height;
+}
+
+static void pianoroll_save(t_gobj *z, t_binbuf *b)
+{
+   t_pianoroll *x = (t_pianoroll *)z;
+   int i;
+
+   // post( "saving pianoroll : %s", x->x_name->s_name );
+   binbuf_addv(b, "ssiissiiffiiifi", gensym("#X"),gensym("obj"),
+		(t_int)x->x_obj.te_xpix, (t_int)x->x_obj.te_ypix,
+		gensym("pianoroll"), x->x_name, x->x_width, x->x_height,
+		x->x_pmin, x->x_pmax,
+                x->x_nbgrades, x->x_nbsteps,
+                x->x_defvalue, x->x_transpose, x->x_save 
+                );
+   if ( x->x_save ) 
+   {
+      for ( i=0; i<x->x_nbsteps; i++ )
+      {
+          binbuf_addv(b, "ff", x->x_peaches[i], x->x_volumes[i] );
+      }
+   }
+   binbuf_addv(b, ";");
+}
+
+static void pianoroll_properties(t_gobj *z, t_glist *owner)
+{
+   char buf[800];
+   t_pianoroll *x=(t_pianoroll *)z;
+
+   sprintf(buf, "pdtk_pianoroll_dialog %%s %s %d %d %.2f %.2f %d %d %d %d\n",
+            x->x_name->s_name, x->x_width, x->x_height, x->x_pmin, x->x_pmax, 
+            x->x_nbgrades, x->x_nbsteps, x->x_defvalue, x->x_save );
+   // post("pianoroll_properties : %s", buf );
+   gfxstub_new(&x->x_obj.ob_pd, x, buf);
+}
+
+static void pianoroll_select(t_gobj *z, t_glist *glist, int selected)
+{
+   t_pianoroll *x = (t_pianoroll *)z;
+
+   x->x_selected = selected;
+   pianoroll_draw_select( x, glist );
+}
+
+static void pianoroll_vis(t_gobj *z, t_glist *glist, int vis)
+{
+   t_pianoroll *x = (t_pianoroll *)z;
+   t_rtext *y;
+
+   // post("pianoroll_vis : %d", vis );
+   if (vis)
+   {
+      pianoroll_draw_new( x, glist );
+      pianoroll_draw_update( x, glist );
+   }
+   else
+   {
+      pianoroll_draw_erase( x, glist );
+   }
+}
+
+static void pianoroll_dialog(t_pianoroll *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int si, onbsteps;
+ t_float *newpeaches, *newvolumes;
+
+   if ( !x ) {
+     post( "pianoroll : error :tried to set properties on an unexisting object" );
+   }
+   if ( ( argv[5].a_w.w_float <= 0 ) || ( argv[5].a_w.w_float <= 0 ) ) {
+     post( "pianoroll : error : wrong number of steps or grades" );
+     return;
+   }
+   if ( ( argv[3].a_w.w_float >= argv[4].a_w.w_float ) ) {
+     post( "pianoroll : error : min pitch is >= to max pitch" );
+     return;
+   }
+   if ( argc != 9 )
+   {
+      post( "pianoroll : error in the number of arguments ( %d )", argc );
+      return;
+   }
+   if ( argv[0].a_type != A_SYMBOL || argv[1].a_type != A_FLOAT ||
+        argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ||
+        argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ||
+        argv[6].a_type != A_FLOAT || argv[7].a_type != A_FLOAT || 
+        argv[8].a_type != A_FLOAT 
+      ) {
+      post( "pianoroll : wrong arguments" );
+      return;
+   }
+   pianoroll_draw_erase(x, x->x_glist);
+   x->x_name = argv[0].a_w.w_symbol;
+   x->x_width = (int)argv[1].a_w.w_float;
+   x->x_height = (int)argv[2].a_w.w_float;
+   x->x_pmin = argv[3].a_w.w_float;
+   x->x_pmax = argv[4].a_w.w_float;
+   x->x_nbgrades = argv[5].a_w.w_float;
+   onbsteps = x->x_nbsteps;
+   x->x_nbsteps = argv[6].a_w.w_float;
+   x->x_defvalue = argv[7].a_w.w_float;
+   x->x_save = argv[8].a_w.w_float;
+
+   if ( onbsteps != x->x_nbsteps )
+   {
+     int cmindex = ( onbsteps > x->x_nbsteps ) ? x->x_nbsteps : onbsteps;
+
+      newpeaches = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+      newvolumes = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+      for ( si=0; si<cmindex ; si++ )
+      {
+         newpeaches[si] = x->x_peaches[si];
+         newvolumes[si] = x->x_volumes[si];
+      }
+      freebytes( x->x_peaches, onbsteps*sizeof( t_float ) ); 
+      freebytes( x->x_volumes, onbsteps*sizeof( t_float ) ); 
+      x->x_peaches = newpeaches;
+      x->x_volumes = newvolumes;
+      for ( si=onbsteps; si<x->x_nbsteps; si++ )
+      {
+         x->x_peaches[si] = x->x_defvalue;
+         x->x_volumes[si] = 1.0;
+      }
+      freebytes( x->x_ipeaches, onbsteps*sizeof( t_int ) ); 
+      freebytes( x->x_ivolumes, onbsteps*sizeof( t_int ) ); 
+      x->x_ipeaches = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+      x->x_ivolumes = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+   }
+   pianoroll_draw_new(x, x->x_glist);
+   pianoroll_draw_update(x, x->x_glist);
+}
+
+static void pianoroll_delete(t_gobj *z, t_glist *glist)
+{
+    canvas_deletelinesfor( glist_getcanvas(glist), (t_text *)z);
+}
+
+static void pianoroll_displace(t_gobj *z, t_glist *glist, int dx, int dy)
+{
+    t_pianoroll *x = (t_pianoroll *)z;
+    int xold = x->x_obj.te_xpix;
+    int yold = x->x_obj.te_ypix;
+
+    // post( "pianoroll_displace dx=%d dy=%d", dx, dy );
+
+    x->x_obj.te_xpix += dx;
+    x->x_obj.te_ypix += dy;
+    if(xold != x->x_obj.te_xpix || yold != x->x_obj.te_ypix)
+    {
+	pianoroll_draw_move(x, x->x_glist);
+    }
+}
+
+static int pianoroll_click(t_gobj *z, struct _glist *glist,
+			    int xpix, int ypix, int shift, int alt, int dbl, int doit)
+{
+    t_pianoroll* x = (t_pianoroll *)z;
+    t_canvas *canvas=glist_getcanvas(glist);
+
+    if ( doit) 
+    {
+      // calculate position to update
+      {
+         int si, gi;
+         t_float xgstep = x->x_width/x->x_nbsteps;
+         t_float ygstep = x->x_height/x->x_nbgrades;
+
+         si = ( xpix - x->x_obj.te_xpix ) / xgstep;
+         gi = ( ypix - x->x_obj.te_ypix ) / ygstep;
+
+         // post( "pianoroll : step : %d : grade : %d", si, gi );
+
+         if ( ( xpix - x->x_obj.te_xpix ) > ( si*xgstep+2*xgstep/3 ) )
+         {
+            {
+              SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #562663\n", canvas, x, si, x->x_ivolumes[ si ] );
+            }
+
+            x->x_volumes[ si ] = (((float)x->x_nbgrades-1-(float)gi))/(float)(x->x_nbgrades-1);
+            SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, si, gi);
+            x->x_ivolumes[ si ] = gi; 
+         } 
+         else
+         {
+            {
+              SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #761623\n", canvas, x, si, x->x_ipeaches[ si ]);
+            }
+
+            x->x_peaches[ si ] = x->x_pmin+(float)(x->x_nbgrades-1-gi)/(float)(x->x_nbgrades-1)*(float)(x->x_pmax-x->x_pmin);
+            SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, si, gi);
+            x->x_ipeaches[ si ] = gi; 
+         }
+      }
+
+    }
+    return (1);
+}
+
+static void pianoroll_transpose(t_pianoroll *x, t_floatarg ftranspose) 
+{
+    x->x_transpose = ftranspose;
+}
+
+static void pianoroll_save_file(t_pianoroll *x, t_symbol *ffile) 
+{
+  FILE *tmph;
+  t_int si;
+ 
+   if ( ( tmph = fopen( ffile->s_name, "w" ) ) == NULL )
+   {
+      post( "pianoroll : could not open file : %s for writing", ffile->s_name );
+      return;
+   }
+   
+   // post( "saving pianoroll : %s", x->x_name->s_name );
+   fprintf(tmph, "%d %d %f %f %d %d %d %f %d ",
+		x->x_width, x->x_height,
+		x->x_pmin, x->x_pmax,
+                x->x_nbgrades, x->x_nbsteps,
+                x->x_defvalue, x->x_transpose, x->x_save );
+   for ( si=0; si<x->x_nbsteps; si++ )
+   {
+          fprintf(tmph, "%f %f ", x->x_peaches[si], x->x_volumes[si] );
+   }
+
+   if ( fclose( tmph ) == -1 )
+   {
+      post( "pianoroll : could not close file : %s ", ffile->s_name );
+      return;
+   }
+}
+
+static void pianoroll_load(t_pianoroll *x, t_symbol *ffile) 
+{
+  FILE *tmph;
+  t_int si;
+ 
+   if ( ( tmph = fopen( ffile->s_name, "r" ) ) == NULL )
+   {
+      post( "pianoroll : could not open file : %s for reading", ffile->s_name );
+      return;
+   }
+   
+   pianoroll_draw_erase(x, x->x_glist);
+   freebytes( x->x_peaches, x->x_nbsteps*sizeof( t_float ) ); 
+   freebytes( x->x_volumes, x->x_nbsteps*sizeof( t_float ) ); 
+   freebytes( x->x_ipeaches, x->x_nbsteps*sizeof( t_int ) ); 
+   freebytes( x->x_ivolumes, x->x_nbsteps*sizeof( t_int ) ); 
+
+   if ( fscanf(tmph, "%d %d %f %f %d %d %d %f %d",
+		&x->x_width, &x->x_height,
+		&x->x_pmin, &x->x_pmax,
+                &x->x_nbgrades, &x->x_nbsteps,
+                &x->x_defvalue, &x->x_transpose, &x->x_save ) != 9 )
+   {
+      post( "pianoroll : could not restore data from file : %s", ffile->s_name );
+      return;
+   }
+
+   x->x_peaches = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+   x->x_volumes = ( t_float* ) getbytes( x->x_nbsteps*sizeof(t_float) );
+   x->x_ipeaches = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+   x->x_ivolumes = ( t_int* ) getbytes( x->x_nbsteps*sizeof(t_int) );
+   for ( si=0; si<x->x_nbsteps ; si++ )
+   {
+         fscanf( tmph, "%f", &x->x_peaches[si] );
+         fscanf( tmph, "%f", &x->x_volumes[si] );
+   }
+    
+   pianoroll_draw_new(x, x->x_glist);
+   pianoroll_draw_update(x, x->x_glist);
+
+   if ( fclose( tmph ) == -1 )
+   {
+      post( "pianoroll : could not close file : %s ", ffile->s_name );
+      return;
+   }
+}
+
+static void pianoroll_init(t_pianoroll *x) 
+{
+  t_int si;
+
+    for ( si=0; si<x->x_nbsteps; si++ )
+    {
+      x->x_peaches[si] = x->x_defvalue;
+      x->x_volumes[si] = 1.0;
+    }
+    pianoroll_draw_erase(x, x->x_glist );
+    pianoroll_draw_new(x, x->x_glist );
+    pianoroll_draw_update(x, x->x_glist );
+}
+
+static void pianoroll_pitch(t_pianoroll *x, t_floatarg fpos, t_floatarg fpitch) 
+{
+ t_canvas *canvas=glist_getcanvas(x->x_glist);
+ t_int ipos;
+
+  if ( ( ( (t_int) fpos ) < 0 ) || ( ( (t_int) fpos ) >= x->x_nbsteps ) )
+  {
+     post( "pianoroll : wrong pitch position : %d", fpos );
+     return;
+  }
+  ipos = (t_int) fpos;
+  if ( ( ( (t_int) fpitch ) < x->x_pmin ) || ( ( (t_int) fpitch ) > x->x_pmax ) )
+  {
+     post( "pianoroll : wrong pitch value : %d", fpitch );
+     return;
+  }
+
+  {
+     SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #761623\n", canvas, x, ipos, x->x_ipeaches[ ipos ]);
+
+     x->x_ipeaches[ ipos ] = (t_int) ( ( ( x->x_pmax - fpitch ) / ( x->x_pmax - x->x_pmin ) ) * ( x->x_nbgrades - 1 ) );
+     x->x_peaches[ ipos ] = x->x_pmin+(float)(x->x_nbgrades-1-x->x_ipeaches[ ipos ])/(float)(x->x_nbgrades-1)*(float)(x->x_pmax-x->x_pmin);
+     SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, ipos, x->x_ipeaches[ ipos ]);
+  }
+}
+ 
+static void pianoroll_volume(t_pianoroll *x, t_floatarg fpos, t_floatarg fvol) 
+{
+ t_canvas *canvas=glist_getcanvas(x->x_glist);
+ t_int ipos;
+
+  if ( ( ( (t_int) fpos ) < 0 ) || ( ( (t_int) fpos ) >= x->x_nbsteps ) )
+  {
+     post( "pianoroll : wrong volume position : %d", fpos );
+     return;
+  }
+  ipos = (t_int) fpos;
+  if ( ( ( (t_int) fvol ) < 0.0 ) || ( ( (t_int) fvol ) > 1.0 ) )
+  {
+     post( "pianoroll : wrong volume value : %d", fvol );
+     return;
+  }
+
+  {
+      SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #562663\n", canvas, x, ipos, x->x_ivolumes[ ipos ] );
+   
+      x->x_ivolumes[ ipos ] = (t_int) ( ( 1 - fvol ) * (x->x_nbgrades-1) );
+      x->x_volumes[ ipos ] = (((float)x->x_nbgrades-1-(float)x->x_ivolumes[ ipos ]))/(float)(x->x_nbgrades-1);
+      SYS_VGUI5(".x%x.c itemconfigure %xVOLUME%.4d%.4d -fill #FF0000\n", canvas, x, ipos, x->x_ivolumes[ ipos ] );
+  }
+}
+
+static void pianoroll_float(t_pianoroll *x, t_floatarg fposition) 
+{
+  t_int pposition, rposition, rrposition;
+  t_float fpart;
+  t_int pi;
+  t_canvas *canvas;
+
+    pposition = ( (int)fposition - 1 ) % x->x_nbsteps;
+    if ( pposition < 0 ) pposition += x->x_nbsteps;
+    rposition = ( (int)fposition ) % x->x_nbsteps;
+    if ( rposition < 0 ) rposition += x->x_nbsteps;
+    rrposition = ( (int)fposition +1 ) % x->x_nbsteps;
+    if ( rrposition < 0 ) rrposition += x->x_nbsteps;
+
+    // post ( "pposition=%d rposition=%d rrposition=%d", pposition, rposition, rrposition );
+    fpart = fposition - (int)fposition;
+    pi=-1;
+    canvas=glist_getcanvas(x->x_glist);
+
+    outlet_float( x->x_pitch, x->x_peaches[ rposition ] + 
+                  fpart*(x->x_peaches[ rrposition ] - x->x_peaches[ rposition ] ) + 
+                  x->x_transpose );
+    outlet_float( x->x_volume, x->x_volumes[ rposition ] + 
+                  fpart*(x->x_volumes[ rrposition ] - x->x_volumes[ rposition ] ) );
+
+    // graphical update
+    {
+       if ( x->x_scurrent != -1 )
+       {
+          SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #FFFF00\n", canvas, x, 
+                               x->x_scurrent, x->x_ipeaches[ x->x_scurrent  ]);
+       }
+       x->x_scurrent = rposition;
+       SYS_VGUI5(".x%x.c itemconfigure %xPITCH%.4d%.4d -fill #00FF00\n", canvas, x, 
+                  x->x_scurrent, x->x_ipeaches[ x->x_scurrent ]);
+    }
+}
+
+static t_pianoroll *pianoroll_new(t_symbol *s, int argc, t_atom *argv)
+{
+    int si, i, zz;
+    t_pianoroll *x;
+    t_pd *x2;
+    char *str;
+ 
+    // post( "pianoroll_new : create : %s argc =%d", s->s_name, argc );
+
+    x = (t_pianoroll *)pd_new(pianoroll_class);
+    // new pianoroll created from the gui 
+    if ( argc != 0 )
+    {
+      if ( argc < 10 )
+      {
+        post( "pianoroll : error in the number of arguments ( %d )", argc );
+        return NULL;
+      }
+      if ( ( argv[5].a_w.w_float <= 0 ) || ( argv[5].a_w.w_float <= 0 ) ) {
+         post( "pianoroll : error : wrong number of steps or grades" );
+         return NULL;
+      }
+      if ( ( argv[3].a_w.w_float >= argv[4].a_w.w_float ) ) {
+         post( "pianoroll : error : min pitch is > to max pitch" );
+         return NULL;
+      }
+      if ( argv[0].a_type != A_SYMBOL || argv[1].a_type != A_FLOAT ||
+        argv[2].a_type != A_FLOAT || argv[3].a_type != A_FLOAT ||
+        argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ||
+        argv[6].a_type != A_FLOAT || argv[7].a_type != A_FLOAT || 
+        argv[8].a_type != A_FLOAT || argv[9].a_type != A_FLOAT ) {
+        post( "pianoroll : wrong arguments" );
+        return NULL;
+      }
+
+      // update pianoroll count
+      if (!strncmp((str = argv[0].a_w.w_symbol->s_name), "pianoroll", 9)
+    	 && (zz = atoi(str + 9)) > pianorollcount) 
+      {
+        // post( "pianoroll : already %d objects", pianorollcount );
+        pianorollcount = zz;
+      }
+      x->x_name = argv[0].a_w.w_symbol;
+      pd_bind(&x->x_obj.ob_pd, x->x_name);
+      x->x_width = argv[1].a_w.w_float;
+      x->x_height = argv[2].a_w.w_float;
+      x->x_pmin = argv[3].a_w.w_float;
+      x->x_pmax = argv[4].a_w.w_float;
+      x->x_nbgrades = argv[5].a_w.w_float;
+      x->x_nbsteps = argv[6].a_w.w_float;
+      x->x_peaches = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+      x->x_ipeaches = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+      x->x_volumes = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+      x->x_ivolumes = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+      x->x_defvalue = argv[7].a_w.w_float;
+      x->x_transpose = argv[8].a_w.w_float;
+      x->x_save = argv[9].a_w.w_float;
+    }
+    else
+    {
+      char buf[40];
+
+      sprintf(buf, "pianoroll%d", ++pianorollcount);
+      s = gensym(buf);    	
+
+      x->x_name = s;
+      pd_bind(&x->x_obj.ob_pd, x->x_name);
+
+      x->x_width = DEFAULT_SEQUENCER_WIDTH;
+      x->x_height = DEFAULT_SEQUENCER_HEIGHT;
+      x->x_pmin = DEFAULT_SEQUENCER_PITCH_MIN;
+      x->x_pmax = DEFAULT_SEQUENCER_PITCH_MAX;
+      x->x_nbgrades = DEFAULT_SEQUENCER_NBGRADES;
+      x->x_nbsteps = DEFAULT_SEQUENCER_STEPS;
+      x->x_peaches = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+      x->x_ipeaches = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+      x->x_volumes = (t_float*) getbytes( x->x_nbsteps*sizeof(t_float) );
+      x->x_ivolumes = (t_int*) getbytes( x->x_nbsteps*sizeof(t_int) );
+      x->x_defvalue = 0;
+      x->x_transpose = 0;
+      x->x_save = 1;
+
+    }
+
+    // common fields for new and restored pianorolls
+    x->x_selected = 0;	
+    x->x_scurrent = -1;	
+    x->x_glist = (t_glist *) canvas_getcurrent();
+    x->x_pitch = outlet_new(&x->x_obj, &s_float ); 
+    x->x_volume = outlet_new(&x->x_obj, &s_float ); 
+    // post( "pianoroll : argc : %d", argc );
+    if ( ( argc != 0 ) && ( x->x_save ) )
+    {
+       int ai = 10;
+       int si = 0;
+
+       while ( ai < argc )
+       {
+           x->x_peaches[si] = argv[ai++].a_w.w_float;
+           if ( ai >= argc ) break;
+           x->x_volumes[si++] = argv[ai++].a_w.w_float;
+       }
+    }
+    else // following arguments are the values of pitch, volumes
+    {
+      for ( si=0; si<x->x_nbsteps; si++ )
+      {
+        x->x_peaches[si] = x->x_defvalue;
+        x->x_volumes[si] = 1.0;
+      }
+    }
+
+    // post( "pianoroll_new name : %s width: %d height : %d", x->x_name->s_name, x->x_width, x->x_height );
+
+    return (x);
+}
+
+static void pianoroll_free(t_pianoroll *x)
+{
+   // post( "pianoroll~: pianoroll_free" );
+   if ( x->x_peaches )
+   {
+      freebytes( x->x_peaches, x->x_nbsteps*sizeof(t_float) );
+   }
+   if ( x->x_ipeaches )
+   {
+      freebytes( x->x_ipeaches, x->x_nbsteps*sizeof(t_int) );
+   }
+   if ( x->x_volumes )
+   {
+      freebytes( x->x_volumes, x->x_nbsteps*sizeof(t_float) );
+   }
+   if ( x->x_ivolumes )
+   {
+      freebytes( x->x_ivolumes, x->x_nbsteps*sizeof(t_int) );
+   }
+}
+
+void pianoroll_setup(void)
+{
+    post( pianoroll_version );
+#include "pianoroll.tk2c" 
+    pianoroll_class = class_new(gensym("pianoroll"), (t_newmethod)pianoroll_new,
+			      (t_method)pianoroll_free, sizeof(t_pianoroll), 0, A_GIMME, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_float, &s_float, A_FLOAT, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_transpose, gensym("transpose"),
+		    A_FLOAT, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_init, gensym("init"), 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_dialog, gensym("dialog"), A_GIMME, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_save_file, gensym("save"), A_SYMBOL, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_load, gensym("load"), A_SYMBOL, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_pitch, gensym("pitch"), A_FLOAT, A_FLOAT, 0);
+    class_addmethod(pianoroll_class, (t_method)pianoroll_volume, gensym("volume"), A_FLOAT, A_FLOAT, 0);
+
+
+    pianoroll_widgetbehavior.w_getrectfn =    pianoroll_getrect;
+    pianoroll_widgetbehavior.w_displacefn =   pianoroll_displace;
+    pianoroll_widgetbehavior.w_selectfn =     pianoroll_select;
+    pianoroll_widgetbehavior.w_activatefn =   NULL;
+    pianoroll_widgetbehavior.w_deletefn =     pianoroll_delete;
+    pianoroll_widgetbehavior.w_visfn =        pianoroll_vis;
+    pianoroll_widgetbehavior.w_clickfn =      pianoroll_click;
+    pianoroll_widgetbehavior.w_propertiesfn = pianoroll_properties;
+    pianoroll_widgetbehavior.w_savefn =       pianoroll_save;
+    class_setwidget(pianoroll_class, &pianoroll_widgetbehavior);
+    class_sethelpsymbol(pianoroll_class, gensym("help-pianoroll.pd"));
+}
diff --git a/pianoroll/pianoroll.h b/pianoroll/pianoroll.h
new file mode 100644
index 0000000..4f6a783
--- /dev/null
+++ b/pianoroll/pianoroll.h
@@ -0,0 +1,40 @@
+/* Copyright (c) 2002 Yves Degoyon
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* a header for pianoroll which enables 
+*  to control a sequencer ( pitch and volume )
+*/
+
+#ifndef __G_PIANOROLL_H
+#define __G_PIANOROLL_H
+
+typedef struct _pianoroll
+{
+    t_object x_obj;
+    t_glist *x_glist;
+    t_symbol *x_name; 
+    t_outlet *x_pitch; 
+    t_outlet *x_volume; 
+    int x_height; 	/* height of the pianoroll                   */
+    int x_width; 	/* width of the pianoroll                    */
+    t_float x_pmin; 	/* minimum value of the pitch                */
+    t_float x_pmax; 	/* max value of the pitch                    */
+    t_int x_nbgrades;   /* number of grades for the pitch            */
+    t_int x_nbsteps; 	/* number of steps                           */
+    t_int x_defvalue;   /* default value for the pitch               */
+    t_float x_transpose;/* transposition value                       */
+    t_float *x_peaches; /* pitch for each step                       */
+    t_int *x_ipeaches;  /* pitch index for each step                 */
+    t_float *x_volumes; /* volume for each step                      */
+    t_int *x_ivolumes;  /* volume index for each step                */
+    int x_selected; 	/* stores selected state                     */
+    int x_xlines; 	/* number of vertical lines                  */
+    int x_ylines; 	/* number of horizontal lines                */
+    int x_scurrent; 	/* cureent step                              */
+    int x_save; 	/* saving contents flag                      */
+} t_pianoroll;
+
+EXTERN t_rtext *rtext_new_without_senditup(t_glist *glist, t_text *who, t_rtext *next);
+
+#endif
diff --git a/pianoroll/pianoroll.tk b/pianoroll/pianoroll.tk
new file mode 100644
index 0000000..eccadce
--- /dev/null
+++ b/pianoroll/pianoroll.tk
@@ -0,0 +1,164 @@
+############ pianoroll procedures  -- ydegoyon@free.fr        #########
+
+proc pianoroll_apply {id} {
+# strip "." from the TK id to make a variable name suffix 
+     set vid [string trimleft $id .]
+# for each variable, make a local variable to hold its name...
+     set var_graph_name [concat graph_name_$vid]
+     global $var_graph_name
+     set var_graph_width [concat graph_width_$vid]
+     global $var_graph_width
+     set var_graph_height [concat graph_height_$vid]
+     global $var_graph_height
+     set var_graph_pmin [concat graph_pmin_$vid]
+     global $var_graph_pmin
+     set var_graph_pmax [concat graph_pmax_$vid]
+     global $var_graph_pmax
+     set var_graph_nbgrades [concat graph_nbgrades_$vid]
+     global $var_graph_nbgrades
+     set var_graph_nbsteps [concat graph_nbsteps_$vid]
+     global $var_graph_nbsteps
+     set var_graph_defvalue [concat graph_defvalue_$vid]
+     global $var_graph_defvalue
+     set var_graph_save [concat graph_save_$vid]
+     global $var_graph_save
+ 
+     set cmd [concat $id dialog \
+         [eval concat $$var_graph_name] \
+         [eval concat $$var_graph_width] \
+         [eval concat $$var_graph_height] \
+         [eval concat $$var_graph_pmin] \
+         [eval concat $$var_graph_pmax] \
+         [eval concat $$var_graph_nbgrades] \
+         [eval concat $$var_graph_nbsteps] \
+         [eval concat $$var_graph_defvalue] \
+         [eval concat $$var_graph_save] \;]
+     #puts stderr $cmd
+     pd $cmd
+}
+ 
+proc pianoroll_cancel {id} {
+     set cmd [concat $id cancel \;]
+     #puts stderr $cmd
+     pd $cmd
+}
+ 
+proc pianoroll_ok {id} {
+     pianoroll_apply $id
+     pianoroll_cancel $id
+}
+ 
+proc pdtk_pianoroll_dialog {id name width height pmin pmax nbgrades nbsteps defvalue save } {
+     set vid [string trimleft $id .]
+     set var_graph_name [concat graph_name_$vid]
+     global $var_graph_name
+     set var_graph_width [concat graph_width_$vid]
+     global $var_graph_width
+     set var_graph_height [concat graph_height_$vid]
+     global $var_graph_height
+     set var_graph_pmin [concat graph_pmin_$vid]
+     global $var_graph_pmin
+     set var_graph_pmax [concat graph_pmax_$vid]
+     global $var_graph_pmax
+     set var_graph_nbgrades [concat graph_nbgrades_$vid]
+     global $var_graph_nbgrades
+     set var_graph_nbsteps [concat graph_nbsteps_$vid]
+     global $var_graph_nbsteps
+     set var_graph_defvalue [concat graph_defvalue_$vid]
+     global $var_graph_defvalue
+     set var_graph_save [concat graph_save_$vid]
+     global $var_graph_save
+ 
+     set $var_graph_name $name
+     set $var_graph_width $width
+     set $var_graph_height $height
+     set $var_graph_pmin $pmin
+     set $var_graph_pmax $pmax
+     set $var_graph_nbgrades $nbgrades
+     set $var_graph_nbsteps $nbsteps
+     set $var_graph_defvalue $defvalue
+     set $var_graph_save $save
+ 
+     toplevel $id
+     wm title $id {pianoroll}
+     wm protocol $id WM_DELETE_WINDOW [concat pianoroll_cancel $id]
+ 
+     label $id.label -text {PIANOROLL PROPERTIES}
+     pack $id.label -side top
+ 
+     frame $id.buttonframe
+     pack $id.buttonframe -side bottom -fill x -pady 2m
+     button $id.buttonframe.cancel -text {Cancel}\
+     	-command "pianoroll_cancel $id"
+     button $id.buttonframe.apply -text {Apply}\
+     	-command "pianoroll_apply $id"
+     button $id.buttonframe.ok -text {OK}\
+     	-command "pianoroll_ok $id"
+     pack $id.buttonframe.cancel -side left -expand 1
+     pack $id.buttonframe.apply -side left -expand 1
+     pack $id.buttonframe.ok -side left -expand 1
+     
+     frame $id.1rangef
+     pack $id.1rangef -side top
+     label $id.1rangef.lname -text "Name :"
+     entry $id.1rangef.name -textvariable $var_graph_name -width 15
+     pack $id.1rangef.lname $id.1rangef.name -side left
+ 
+     frame $id.2rangef
+     pack $id.2rangef -side top
+     label $id.2rangef.lwidth -text "Width :"
+     entry $id.2rangef.width -textvariable $var_graph_width -width 7
+     pack $id.2rangef.lwidth $id.2rangef.width -side left
+ 
+     frame $id.3rangef
+     pack $id.3rangef -side top
+     label $id.3rangef.lheight -text "Height :"
+     entry $id.3rangef.height -textvariable $var_graph_height -width 7
+     pack $id.3rangef.lheight $id.3rangef.height -side left
+ 
+     frame $id.4rangef
+     pack $id.4rangef -side top
+     label $id.4rangef.lpmin -text "Pitch low :"
+     entry $id.4rangef.pmin -textvariable $var_graph_pmin -width 7
+     pack $id.4rangef.lpmin $id.4rangef.pmin -side left
+ 
+     frame $id.5rangef
+     pack $id.5rangef -side top
+     label $id.5rangef.lpmax -text "Pitch high :"
+     entry $id.5rangef.pmax -textvariable $var_graph_pmax -width 7
+     pack $id.5rangef.lpmax $id.5rangef.pmax -side left
+ 
+     frame $id.6rangef
+     pack $id.6rangef -side top
+     label $id.6rangef.lnbgrades -text "Grades :"
+     entry $id.6rangef.nbgrades -textvariable $var_graph_nbgrades -width 7
+     pack $id.6rangef.lnbgrades $id.6rangef.nbgrades -side left
+ 
+     frame $id.7rangef
+     pack $id.7rangef -side top
+     label $id.7rangef.lnbsteps -text "Steps :"
+     entry $id.7rangef.nbsteps -textvariable $var_graph_nbsteps -width 7
+     pack $id.7rangef.lnbsteps $id.7rangef.nbsteps -side left
+ 
+     frame $id.8rangef
+     pack $id.8rangef -side top
+     label $id.8rangef.ldefvalue -text "Default Value :"
+     entry $id.8rangef.defvalue -textvariable $var_graph_defvalue -width 7
+     pack $id.8rangef.ldefvalue $id.8rangef.defvalue -side left
+
+     checkbutton $id.save -text {Save contents} -variable $var_graph_save \
+        -anchor w
+     pack $id.save -side top  
+ 
+     bind $id.1rangef.name <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.2rangef.width <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.3rangef.height <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.4rangef.pmin <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.5rangef.pmax <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.6rangef.nbgrades <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.7rangef.nbsteps <KeyPress-Return> [concat pianoroll_ok $id]
+     bind $id.8rangef.defvalue <KeyPress-Return> [concat pianoroll_ok $id]
+     focus $id.1rangef.name
+}
+
+############ pianoroll procedures END -- ydegoyon@free.fr     #########