1 files changed, 16 insertions, 0 deletions
diff --git a/src/Fl_display.cxx b/src/Fl_display.cxx
new file mode 100644
index 000000000..12985db54
--- /dev/null
+++ b/src/Fl_display.cxx
@@ -0,0 +1,16 @@
+// Fl_display.C
+
+// Startup method to set what display to use.
+// Using setenv makes programs that are exec'd use the same display.
+
+#include <FL/Fl.H>
+#include <stdlib.h>
+#include <string.h>
+
+void Fl::display(const char *d) {
+  char *e = new char[strlen(d)+13];
+  strcpy(e,"DISPLAY=");
+  strcpy(e+8,d);
+  for (char *c = e+8; *c!=':'; c++) if (!*c) {strcpy(c,":0.0"); break;}
+  putenv(e);
+}