make "ctrl-[0-9]" commands work again (change layer)

doc/xschem_man/commands.html

@@ -100,6 +100,7 @@ ctrl       Enter        Confirm closing dialog boxes
 -           '#'         Highlight components with duplicated name (refdes)
 ctrl        '#'         Rename components with duplicated name (refdes)
 -           '5'         View only probes
+ctrl        '0-9'       set current layer (4 -13)
 -           'a'         Make symbol from pin list of current schematic
 ctrl        'a'         Select all
 shift       'A'         Toggle show netlist

src/callback.c

@@ -616,7 +616,10 @@ int callback(int event, int mx, int my, KeySym key,
    }  /* /20110112 */
    if(key<='9' && key >='0' && state==ControlMask)              /* choose layer */
    {
+    char n[30];
     rectcolor = key - '0'+4;
+    my_snprintf(n, S(n), "%d", rectcolor);
+    Tcl_VarEval(interp, "xschem set rectcolor ", n, "; reconfigure_layers_button", NULL);
     dbg(1, "callback(): new color: %d\n",color_index[rectcolor]);
     break;
    }

src/keys.help

@@ -59,6 +59,7 @@ ctrl       Enter        Confirm closing dialog boxes
 -           '#'         Highlight components with duplicated name (refdes)
 ctrl        '#'         Rename components with duplicated name (refdes)
 -           '5'         View only probes
+ctrl        '0-9'       set current layer (4 -13)
 -           'a'         Make symbol from pin list of current schematic
 ctrl        'a'         Select all
 shift       'A'         Toggle show netlist

src/ngspice_backannotate.tcl

@@ -45,6 +45,7 @@ proc read_ngspice_raw {arr fp} {
   }
   if {$variables} {
     set bindata [read $fp [expr 8 * $n_vars * $n_points]]
+    if { $n_points == 1} {
       binary scan $bindata d[expr $n_vars * $n_points] data
       for {set p 0} {$p < $n_points} { incr p} {
         for {set v 0} {$v < $n_vars} { incr v} {
@@ -52,6 +53,7 @@ proc read_ngspice_raw {arr fp} {
           # puts "-->|$idx($v)|$var($idx($v))|"
         }
       }
+    }
     set var(n\ vars) $n_vars
     set var(n\ points) $n_points
   }
@@ -122,6 +124,7 @@ proc annotate {} {
     } else break;
   }
   close $fp
+  puts {Raw file read ...} 
   if { $op_point_read } {
     ### disable screen redraw and undo when looping to speed up performance
     ### but save state on undo stack before doing backannotations.
@@ -169,4 +172,4 @@ proc annotate {} {
   }
 }
 
-if { ![info exists no_x] } {bind .drw <Alt-a> {annotate} }
+if { ![info exists no_x] } {bind .drw <Alt-a> {puts {Annotating...}; annotate} }