Add option for spacing between tray icons.

README

@@ -53,6 +53,7 @@ OPTIONS
 	--monitor       - define the mointor on which you like trayer to appear, 
                     number of zero to number of monitors minus one, 
                     or the string "primary".
+  --iconspacing   - Space between tray icons in pixels.
 
 TRAYER IN DISTROS
 

main.c

@@ -87,6 +87,7 @@ tray_constructor(panel *p)
     tr->panel = p;
     tr->mainw = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
     tr->box = p->my_box_new(FALSE, 1);
+    gtk_box_set_spacing(GTK_BOX(tr->box), p->icon_spacing);
     gtk_container_add (GTK_CONTAINER (tr->mainw), tr->box);
     gtk_container_add(GTK_CONTAINER(p->box), tr->mainw);
 

panel.c

@@ -424,6 +424,7 @@ usage()
     printf(" --expand     <false|true>                 (default:true)\n");
     printf(" --padding    <number>                     (default:0)\n");
     printf(" --monitor    <number|primary>             (default:0)\n");
+    printf(" --iconspacing <number>                    (default:0)\n");
 }
 
 void
@@ -461,6 +462,7 @@ main(int argc, char *argv[], char *env[])
     p->setdocktype = 1;
     p->setstrut = 0;
     p->transparent = 0;
+    p->icon_spacing = 0;
     p->alpha = 127;
     p->tintcolor = 0xFFFFFFFF;
     p->xtopbg = None;
@@ -634,6 +636,15 @@ main(int argc, char *argv[], char *env[])
                     p->on_primary = 1;
                 }
             }
+        } else if (!strcmp(argv[i], "--iconspacing")) {
+            i++;
+            if (i == argc) {
+                ERR( "trayer: missing icon padding parameter value\n");
+                usage();
+                exit(1);
+            } else {
+                p->icon_spacing = atoi(argv[i]);
+            }
         } else {
             printf("trayer: unknown option - %s\n", argv[i]);
             usage();

panel.h

@@ -47,6 +47,7 @@ typedef struct {
     int transparent : 1;
     int on_primary : 1;
     int monitor;
+    int icon_spacing;
 
     // Import from plugin structure
     gpointer     priv;