[Refactor + Minor Changes]: Refactored to fix a small code-readablity issue from last upstream merge. Added the snap_cursor option to be enabled from 'src/xschemrc' config file.

src/callback.c

@@ -2569,8 +2569,8 @@ int rstate; /* (reduced state, without ShiftMask) */
     if(draw_xhair) {
       draw_crosshair(1); /* when moving mouse: first action is delete crosshair, will be drawn later */
     }
-    /* pan schematic */
     if(snap_cursor && wire_draw_active) draw_snap_cursor(1);
+    /* pan schematic */
     if(xctx->ui_state & STARTPAN) pan(RUBBER, mx, my);
 
     if(xctx->semaphore >= 2) {

src/xschemrc

@@ -285,6 +285,9 @@
 #### set crosshair size; Default: 0 (full screen spanning crosshair) 
 set crosshair_size 2
 
+#### enable drawing a diamond-shaped cursor at the closest circuit endpoint. Default: disabled (0)
+# set snap_cursor 1
+
 #### set snap_cursor_size; Default: 3 (Diamond-shaped cursor that snaps to nearest circuit endpoint)
 # set snap_cursor_size 3