add `xschem text_string` command, update displayed floaters if a text object is changed

doc/xschem_man/developer_info.html

@@ -515,6 +515,8 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
+
+
 
 
 
@@ -1280,6 +1282,8 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
        0.0     0.0     1.8    0.3
        0.1     0.0     1.5    0.6
        ...     ...     ...    ...</pre>
+   <li><kbd>       test</kbd></li><pre>
+   Testmode ... </pre>
    <li><kbd>       text x y rot flip text props size draw</kbd></li><pre>
    Create a text object
      x, y, rot, flip specify the position and orientation
@@ -1287,6 +1291,8 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
      props is the attribute string
      size sets the size
      draw is a flag. If set to 1 will draw the created text </pre>
+   <li><kbd>       text_string n</kbd></li><pre>
+   get text string of text object 'n' </pre>
    <li><kbd>       toggle_colorscheme</kbd></li><pre>
    Toggle dark/light colorscheme </pre>
    <li><kbd>       toggle_ignore</kbd></li><pre>
@@ -1382,8 +1388,6 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
-
-
 
 
 

src/editprop.c

@@ -1184,6 +1184,7 @@ static int edit_text_property(int x)
   char property[100];/* used for float 2 string conv (xscale  and yscale) overflow safe */
   /* const char *str; */
   char *oldprop = NULL;
+  int floater = there_are_floaters();
 
   if(x < 0 || x > 2) {
     fprintf(errfp, "edit_text_property() : unknown parameter x=%d\n",x);
@@ -1230,7 +1231,8 @@ static int edit_text_property(int x)
       modified = 1;
       xctx->push_undo();
     }
-    bbox(START,0.0,0.0,0.0,0.0);
+    if(!floater) bbox(START,0.0,0.0,0.0,0.0);
+    else set_modify(-2); /* clear text floater caches */
     for(k=0;k<xctx->lastsel; ++k)
     {
       if(xctx->sel_array[k].type!=xTEXT) continue;
@@ -1249,7 +1251,7 @@ static int edit_text_property(int x)
         cairo_restore(xctx->cairo_ctx);
       }
       #endif
-      bbox(ADD, xx1, yy1, xx2, yy2 );
+      if(!floater) bbox(ADD, xx1, yy1, xx2, yy2 );
       /* dbg(1, "edit_property(): text props=%s text=%s\n", tclgetvar("props"), tclgetvar("retval")); */
       if(text_changed) {
         double cg;
@@ -1323,11 +1325,11 @@ static int edit_text_property(int x)
       }
       #endif
 
-      bbox(ADD, xx1, yy1, xx2, yy2 );
+      if(!floater) bbox(ADD, xx1, yy1, xx2, yy2 );
     } /* for(k=0;k<xctx->lastsel; ++k) */
-    bbox(SET,0.0,0.0,0.0,0.0);
+    if(!floater) bbox(SET,0.0,0.0,0.0,0.0);
     draw();
-    bbox(END,0.0,0.0,0.0,0.0);
+    if(!floater) bbox(END,0.0,0.0,0.0,0.0);
   }
   my_free(_ALLOC_ID_, &oldprop);
   return modified;

src/scheduler.c

@@ -4590,6 +4590,23 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
       Tcl_ResetResult(interp);
     }     
           
+
+    /* text_string n
+     *   get text string of text object 'n' */
+    else if(!strcmp(argv[1], "text_string") )
+    {
+      int n;
+      if(!xctx) {Tcl_SetResult(interp, not_avail, TCL_STATIC); return TCL_ERROR;}
+      if(argc < 3) {Tcl_SetResult(interp,
+          "xschem text_string requires 1 additional argument", TCL_STATIC); return TCL_ERROR;}
+      n = atoi(argv[2]);
+      if(n >= 0 && n < xctx->texts) {
+        Tcl_SetResult(interp, xctx->text[n].txt_ptr, TCL_VOLATILE);
+      } else {
+        Tcl_ResetResult(interp);
+      }
+    }
+
     /* toggle_colorscheme
      *   Toggle dark/light colorscheme */
     else if(!strcmp(argv[1], "toggle_colorscheme"))