fix wave panning if a non graph added, better error reporting in png writer function, better flags option names for special objejcts (image and graphs)

src/callback.c

@@ -180,7 +180,6 @@ void start_wire(double mx, double my)
  * 32: move cursor2
  * 64: show measurement tooltip
  */
-
 static int waves_callback(int event, int mx, int my, KeySym key, int button, int aux, int state)
 {
   Graph_ctx *gr;

src/scheduler.c

@@ -2774,7 +2774,7 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
     {
       double x1,y1,x2,y2;
       int pos, save, sel = 0;
-      const char *prop;
+      const char *prop=NULL;
       cmd_found = 1;
       if(argc>=6) {
         x1=atof(argv[2]);

tests/netlisting.tcl

@@ -68,6 +68,7 @@ proc netlisting_dir {dir} {
 proc run_xschem_netlist {type output_dir fn fpath} {
   global testname pathlist xschem_cmd num_fatals
   set fn_debug [join [list $output_dir , [regsub {\.} $fn {_}] "_${type}_debug.txt"] ""]
+  regsub {./} $fn_debug {_} fn_debug
   set sch_name [regsub {\.sch} $fn {}]
   set fn_netlist [join [list $sch_name "." $type] ""]
   set output [join [list $testname / results / $fn_debug] ""]

tests/xschemtest.tcl

@@ -170,10 +170,14 @@ proc print_test {{view 0}} {
 ## test xschem's own simulation engine
 ## there is no built in testing, just see if it works.
 proc test_xschem_simulation {{f simulate_ff.sch}} {
-  global tclstop
+  global tclstop OS
   xschem load [abs_sym_path $f]
   ## search element with tclcommand attribute 
-  xschem search regex  1 tclcommand {}
+  if {$OS ne {Windows}} {
+    xschem search regex  1 tclcommand {}
+  } else {
+    xschem search exact 1 name h3
+  }
   ## join transform a list element {foo} into a plain string foo
   set instname [join [xschem selected_set]]
   ## run tcl testbench