--- /dev/null
+/* statistics.c */
+/* creates the UI for the Info & Stats page -
+ * controlled through the following interfaces:
+ *
+ * void show_dive_stats(struct dive *dive)
+ * void flush_dive_stats_changes(struct dive *dive)
+ *
+ * called from gtk-ui:
+ * GtkWidget *stats_widget(void)
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <time.h>
+
+#include "dive.h"
+#include "display.h"
+#include "display-gtk.h"
+#include "divelist.h"
+
+typedef struct {
+ GtkWidget *date,
+ *dive_time,
+ *surf_intv,
+ *max_depth,
+ *avg_depth,
+ *water_temp,
+ *sac,
+ *otu,
+ *o2he,
+ *gas_used,
+ *total_time,
+ *avg_time,
+ *max_overall_depth,
+ *avg_overall_depth,
+ *min_sac,
+ *avg_sac,
+ *max_sac;
+} info_stat_widget_t;
+
+static info_stat_widget_t info_stat_w;
+
+typedef struct {
+ duration_t total_time;
+ /* avg_time is simply total_time / nr -- let's not keep this */
+ depth_t max_depth;
+ depth_t avg_depth;
+ volume_t max_sac;
+ volume_t min_sac;
+ volume_t avg_sac;
+} info_stat_t;
+
+static info_stat_t info_stat;
+
+static void process_all_dives(struct dive *dive, struct dive **prev_dive)
+{
+ int idx;
+ struct dive *dp;
+ int old_tt, sac_time = 0;
+
+ *prev_dive = NULL;
+ memset(&info_stat, 0, sizeof(info_stat));
+ /* this relies on the fact that the dives in the dive_table
+ * are in chronological order */
+ for (idx = 0; idx < dive_table.nr; idx++) {
+ dp = dive_table.dives[idx];
+ if (dp->when == dive->when) {
+ /* that's the one we are showing */
+ if (idx > 0)
+ *prev_dive = dive_table.dives[idx-1];
+ }
+ old_tt = info_stat.total_time.seconds;
+ info_stat.total_time.seconds += dp->duration.seconds;
+ if (dp->maxdepth.mm > info_stat.max_depth.mm)
+ info_stat.max_depth.mm = dp->maxdepth.mm;
+ info_stat.avg_depth.mm = (1.0 * old_tt * info_stat.avg_depth.mm +
+ dp->duration.seconds * dp->meandepth.mm) / info_stat.total_time.seconds;
+ if (dp->sac > 0) {
+ int old_sac_time = sac_time;
+ sac_time += dp->duration.seconds;
+ info_stat.avg_sac.mliter = (1.0 * old_sac_time * info_stat.avg_sac.mliter +
+ dp->duration.seconds * dp->sac) / sac_time ;
+ if (dp->sac > info_stat.max_sac.mliter)
+ info_stat.max_sac.mliter = dp->sac;
+ if (info_stat.min_sac.mliter == 0 || dp->sac < info_stat.max_sac.mliter)
+ info_stat.min_sac.mliter = dp->sac;
+ }
+ }
+}
+
+static void set_label(GtkWidget *w, const char *fmt, ...)
+{
+ char buf[80];
+ va_list args;
+
+ va_start(args, fmt);
+ vsnprintf(buf, sizeof(buf), fmt, args);
+ va_end(args);
+ gtk_label_set_text(GTK_LABEL(w), buf);
+}
+
+static char * get_time_string(int seconds, int maxdays)
+{
+ static char buf[80];
+ if (maxdays && seconds > 3600 * 24 * maxdays)
+ snprintf(buf, sizeof(buf), "more than %d days", maxdays);
+ else {
+ int days = seconds / 3600 / 24;
+ int hours = (seconds - days * 3600 * 24) / 3600;
+ int minutes = (seconds - days * 3600 * 24 - hours * 3600) / 60;
+ if (days > 0)
+ snprintf(buf, sizeof(buf), "%dd %dh %dmin", days, hours, minutes);
+ else
+ snprintf(buf, sizeof(buf), "%dh %dmin", hours, minutes);
+ }
+ return buf;
+}
+
+void show_dive_stats(struct dive *dive)
+{
+ char buf[80];
+ double value;
+ int decimals;
+ const char *unit;
+ int idx, offset, gas_used;
+ struct dive *prev_dive;
+
+ process_all_dives(dive, &prev_dive);
+
+ strftime(buf, 80, "%a, %b %d, %Y, %k:%M", gmtime(&dive->when));
+ set_label(info_stat_w.date, buf);
+ set_label(info_stat_w.dive_time, "%d min", (dive->duration.seconds + 30) / 60);
+ if (prev_dive)
+ set_label(info_stat_w.surf_intv, get_time_string(dive->when - prev_dive->when, 4));
+ else
+ set_label(info_stat_w.surf_intv, "unknown");
+ value = get_depth_units(dive->maxdepth.mm, &decimals, &unit);
+ set_label(info_stat_w.max_depth, "%.*f %s", decimals, value, unit);
+ value = get_depth_units(dive->meandepth.mm, &decimals, &unit);
+ set_label(info_stat_w.avg_depth, "%.*f %s", decimals, value, unit);
+ value = get_temp_units(dive->watertemp.mkelvin, &unit);
+ set_label(info_stat_w.water_temp, "%.1f %s", value, unit);
+ value = get_volume_units(dive->sac, &decimals, &unit);
+ if (value > 0) {
+ set_label(info_stat_w.sac, "%.*f %s/min", decimals, value, unit);
+ } else
+ set_label(info_stat_w.sac, "");
+ set_label(info_stat_w.otu, "%d", dive->otu);
+ offset = 0;
+ gas_used = 0;
+ buf[0] = '\0';
+ /* for the O2/He readings just create a list of them */
+ for (idx = 0; idx < MAX_CYLINDERS; idx++) {
+ cylinder_t *cyl = &dive->cylinder[idx];
+ /* we assume that every valid cylinder has either a working pressure
+ * or a size; but for good measure let's also accept cylinders with
+ * a starting or ending pressure*/
+ if (cyl->type.workingpressure.mbar || cyl->type.size.mliter ||
+ cyl->start.mbar || cyl->end.mbar) {
+ /* 0% O2 strangely means air, so 21% - I don't like that at all */
+ int o2 = cyl->gasmix.o2.permille ? : 209;
+ if (offset > 0) {
+ snprintf(buf+offset, 80-offset, ", ");
+ offset += 2;
+ }
+ snprintf(buf+offset, 80-offset, "%d/%d", (o2 + 5) / 10,
+ (cyl->gasmix.he.permille + 5) / 10);
+ offset = strlen(buf);
+ }
+ /* and if we have size, start and end pressure, we can
+ * calculate the total gas used */
+ if (cyl->type.size.mliter && cyl->start.mbar && cyl->end.mbar)
+ gas_used += cyl->type.size.mliter / 1000.0 *
+ (cyl->start.mbar - cyl->end.mbar);
+ }
+ if (offset)
+ set_label(info_stat_w.o2he, buf);
+ if (gas_used) {
+ value = get_volume_units(gas_used, &decimals, &unit);
+ set_label(info_stat_w.gas_used, "%.*f %s", decimals, value, unit);
+ } else
+ set_label(info_stat_w.gas_used, "");
+ /* and now do the statistics */
+ set_label(info_stat_w.total_time, get_time_string(info_stat.total_time.seconds, 0));
+ set_label(info_stat_w.avg_time, get_time_string(info_stat.total_time.seconds / dive_table.nr, 0));
+ value = get_depth_units(info_stat.max_depth.mm, &decimals, &unit);
+ set_label(info_stat_w.max_overall_depth, "%.*f %s", decimals, value, unit);
+ value = get_depth_units(info_stat.avg_depth.mm, &decimals, &unit);
+ set_label(info_stat_w.avg_overall_depth, "%.*f %s", decimals, value, unit);
+ value = get_volume_units(info_stat.max_sac.mliter, &decimals, &unit);
+ set_label(info_stat_w.max_sac, "%.*f %s/min", decimals, value, unit);
+ value = get_volume_units(info_stat.min_sac.mliter, &decimals, &unit);
+ set_label(info_stat_w.min_sac, "%.*f %s/min", decimals, value, unit);
+ value = get_volume_units(info_stat.avg_sac.mliter, &decimals, &unit);
+ set_label(info_stat_w.avg_sac, "%.*f %s/min", decimals, value, unit);
+}
+
+void flush_dive_stats_changes(struct dive *dive)
+{
+ /* We do nothing: we require the "Ok" button press */
+}
+
+static GtkWidget *new_info_label_in_frame(GtkWidget *box, const char *label)
+{
+ GtkWidget *label_widget;
+ GtkWidget *frame;
+
+ frame = gtk_frame_new(label);
+ label_widget = gtk_label_new(NULL);
+ gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 3);
+ gtk_container_add(GTK_CONTAINER(frame), label_widget);
+
+ return label_widget;
+}
+
+GtkWidget *stats_widget(void)
+{
+
+ GtkWidget *vbox, *hbox, *infoframe, *statsframe, *framebox;
+
+ vbox = gtk_vbox_new(FALSE, 3);
+
+ infoframe = gtk_frame_new("Dive Info");
+ gtk_box_pack_start(GTK_BOX(vbox), infoframe, TRUE, FALSE, 3);
+ framebox = gtk_vbox_new(FALSE, 3);
+ gtk_container_add(GTK_CONTAINER(infoframe), framebox);
+
+ /* first row */
+ hbox = gtk_hbox_new(FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+ info_stat_w.date = new_info_label_in_frame(hbox, "Date");
+ info_stat_w.dive_time = new_info_label_in_frame(hbox, "Dive Time");
+ info_stat_w.surf_intv = new_info_label_in_frame(hbox, "Surf Intv");
+
+ /* second row */
+ hbox = gtk_hbox_new(FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+ info_stat_w.max_depth = new_info_label_in_frame(hbox, "Max Depth");
+ info_stat_w.avg_depth = new_info_label_in_frame(hbox, "Avg Depth");
+ info_stat_w.water_temp = new_info_label_in_frame(hbox, "Water Temp");
+
+ /* third row */
+ hbox = gtk_hbox_new(FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+ info_stat_w.sac = new_info_label_in_frame(hbox, "SAC");
+ info_stat_w.otu = new_info_label_in_frame(hbox, "OTU");
+ info_stat_w.o2he = new_info_label_in_frame(hbox, "O" UTF8_SUBSCRIPT_2 " / He");
+ info_stat_w.gas_used = new_info_label_in_frame(hbox, "Gas Used");
+
+ statsframe = gtk_frame_new("Statistics");
+ gtk_box_pack_start(GTK_BOX(vbox), statsframe, TRUE, FALSE, 3);
+ framebox = gtk_vbox_new(FALSE, 3);
+ gtk_container_add(GTK_CONTAINER(statsframe), framebox);
+
+ /* first row */
+ hbox = gtk_hbox_new(FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+ info_stat_w.total_time = new_info_label_in_frame(hbox, "Total Time");
+ info_stat_w.avg_time = new_info_label_in_frame(hbox, "Avg Time");
+ info_stat_w.max_overall_depth = new_info_label_in_frame(hbox, "Max Depth");
+ info_stat_w.avg_overall_depth = new_info_label_in_frame(hbox, "Avg Depth");
+
+ /* second row */
+ hbox = gtk_hbox_new(FALSE, 3);
+ gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
+
+ info_stat_w.max_sac = new_info_label_in_frame(hbox, "Max SAC");
+ info_stat_w.min_sac = new_info_label_in_frame(hbox, "Min SAC");
+ info_stat_w.avg_sac = new_info_label_in_frame(hbox, "Avg SAC");
+
+ return vbox;
+}
projects / ext / subsurface.git / commitdiff