From 2b905607c3a232d1bf21e76b0aa8c5bb51d7d676 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Fri, 6 Mar 2020 14:51:39 +0100
Subject: [PATCH] make flag 'nolegend' localfor each plot

---
 src/frontend/plotting/graf.c | 7 +++++--
 src/include/ngspice/graph.h  | 2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/frontend/plotting/graf.c b/src/frontend/plotting/graf.c
index 6c427daeb..683f720b0 100644
--- a/src/frontend/plotting/graf.c
+++ b/src/frontend/plotting/graf.c
@@ -134,6 +134,8 @@ int gr_init(double *xlims, double *ylims, /* The size of the screen. */
         graph->ticdata = NULL;
     }
 
+    cp_getvar("nolegend", CP_BOOL, &(graph->nolegend), 0);
+
     if (!xlims || !ylims) {
         internalerror("gr_init:  no range specified");
         return FALSE;
@@ -184,6 +186,7 @@ int gr_init(double *xlims, double *ylims, /* The size of the screen. */
         strcpy(graph->ticchar, pgraph->ticchar);
         graph->ticdata = pgraph->ticdata;
         graph->ticmarks = pgraph->ticmarks;
+        graph->nolegend = pgraph->nolegend;
     }
 
     /* layout decisions */
@@ -434,7 +437,7 @@ static void gr_start_internal(struct dvec *dv, bool copyvec)
     }
 
     /* Put the legend entry on the screen. */
-    if (!cp_getvar("nolegend", CP_BOOL, NULL, 0))
+    if (!currentgraph->nolegend)
         drawlegend(currentgraph, cur.plotno++, dv);
 }
 
@@ -610,7 +613,7 @@ void gr_redraw(GRAPH *graph)
     cur.plotno = 0;
     for (link = graph->plotdata; link; link = link->next) {
         /* redraw legend */
-        if (!cp_getvar("nolegend", CP_BOOL, NULL, 0))
+        if (!graph->nolegend)
             drawlegend(graph, cur.plotno++, link->vector);
 
         /* replot data
diff --git a/src/include/ngspice/graph.h b/src/include/ngspice/graph.h
index e7b64d615..22dbeb9d8 100644
--- a/src/include/ngspice/graph.h
+++ b/src/include/ngspice/graph.h
@@ -33,6 +33,8 @@ struct graph {
     int currentcolor;
     int linestyle;
 
+    bool nolegend;
+
     struct {
         int height, width;
     } viewport;