From 1015a9d71ec76d57fff0134a678b4d4144c655f1 Mon Sep 17 00:00:00 2001
From: stefan schippers <stefan.schippers@gmail.com>
Date: Tue, 21 Jan 2025 16:50:31 +0100
Subject: [PATCH] added command `xschem set crosshair_layer` to change  layer
 used for crosshair drawing

---
 doc/xschem_man/developer_info.html | 1 +
 src/scheduler.c                    | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html
index cf43eea3..3d64a8ee 100644
--- a/doc/xschem_man/developer_info.html
+++ b/doc/xschem_man/developer_info.html
@@ -1438,6 +1438,7 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
      <li><kbd> cadgrid </kbd> set cad grid (default: 20) </li>
      <li><kbd> cadsnap </kbd> set mouse snap (default: 10) </li>
      <li><kbd> color_ps </kbd> set color psoscript (1 or 0) </li>
+     <li><kbd> crosshair_layer </kbd> set layer for mouse crosshair </li>
      <li><kbd> constr_mv </kbd> set constrained move (1=horiz, 2=vert, 0=none) </li>
      <li><kbd> cursor1_x </kbd> set graph cursor1 position </li>
      <li><kbd> cursor2_x </kbd> set graph cursor2 position </li>
diff --git a/src/scheduler.c b/src/scheduler.c
index 08d6c033..ffb1ff47 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -5081,8 +5081,16 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
           else if(!strcmp(argv[2], "color_ps")) { /* set color psoscript (1 or 0) */
             color_ps=atoi(argv[3]);
           }
+          else if(!strcmp(argv[2], "crosshair_layer")) { /* set layer for mouse crosshair */
+             int c = atoi(argv[3]);
+             tclsetintvar("crosshair_layer", c);
+             xctx->crosshair_layer = c;
+             if(xctx->crosshair_layer < 0 ) xctx->crosshair_layer = 2;
+             if(xctx->crosshair_layer >= cadlayers ) xctx->crosshair_layer = 2;
+          }
           else if(!strcmp(argv[2], "constr_mv")) { /* set constrained move (1=horiz, 2=vert, 0=none) */
             xctx->constr_mv = atoi(argv[3]);
+            if(xctx->constr_mv < 0 || xctx->constr_mv > 2) xctx->constr_mv = 0;
           }
           else if(!strcmp(argv[2], "cursor1_x")) { /* set graph cursor1 position */
             xctx->graph_cursor1_x = atof_spice(argv[3]);