diff options
Diffstat (limited to 'src/dw-hdfsee.c')
| -rw-r--r-- | src/dw-hdfsee.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/dw-hdfsee.c b/src/dw-hdfsee.c index 0c5852c5..833ac01c 100644 --- a/src/dw-hdfsee.c +++ b/src/dw-hdfsee.c @@ -964,6 +964,18 @@ static gint displaywindow_newevent(DisplayWindow *dw, int new_event) } +static gint displaywindow_randomevent(GtkWidget *widget, DisplayWindow *dw) +{ + int rand_event; + + if ( dw->not_ready_yet ) return 0; + + rand_event = gsl_rng_uniform_int(&dw->rng, dw->ev_list->num_events); + + return displaywindow_newevent(dw, rand_event); +} + + static gint displaywindow_set_newevent_response(GtkWidget *widget, gint response, DisplayWindow *dw) @@ -1489,6 +1501,11 @@ static void set_events_menu_sensitivity(DisplayWindow *dw, int val) { gtk_action_set_sensitive(GTK_ACTION(a), val); a = gtk_ui_manager_get_action(dw->ui, "/ui/displaywindow/events/gotevent"); + gtk_action_set_sensitive(GTK_ACTION(a), val); + a = gtk_ui_manager_get_action(dw->ui, + "/ui/displaywindow/events/randomevent"); + gtk_action_set_sensitive(GTK_ACTION(a), val); + } @@ -2110,8 +2127,6 @@ static void calibmode_prev(GtkWidget *widget, DisplayWindow *dw) } - - static void event_next(GtkWidget *widget, DisplayWindow *dw) { int new_event; @@ -2184,6 +2199,8 @@ static void displaywindow_addmenubar(DisplayWindow *dw, GtkWidget *vbox, G_CALLBACK(event_next) }, { "GotoEventAction", NULL, "Go To Event", "e", NULL, G_CALLBACK(displaywindow_set_newevent) }, + { "RandomEventAction", NULL, "Go To Random Event", "r", NULL, + G_CALLBACK(displaywindow_randomevent) }, { "HelpAction", NULL, "_Help", NULL, NULL, NULL }, { "AboutAction", GTK_STOCK_ABOUT, "_About hdfsee...", @@ -2742,6 +2759,14 @@ DisplayWindow *displaywindow_open(char *filename, char *geom_filename, dw->statusbar = NULL; dw->multi_event = 0; dw->ev_list = NULL; + dw->rng = *gsl_rng_alloc(gsl_rng_mt19937); + FILE *fh; + unsigned long int seed; + fh = fopen("/dev/urandom", "r"); + fread(&seed, sizeof(seed), 1, fh); + fclose(fh); + gsl_rng_set(&dw->rng, seed); + if ( geom_filename != NULL ) { dw->geom_filename = strdup(geom_filename); } else { |