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/* 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;
} single_stat_widget_t;
static single_stat_widget_t single_w;
typedef struct {
GtkWidget *total_time,
*avg_time,
*shortest_time,
*longest_time,
*max_overall_depth,
*min_overall_depth,
*avg_overall_depth,
*min_sac,
*avg_sac,
*max_sac,
*selection_size,
*max_temp,
*avg_temp,
*min_temp;
} total_stats_widget_t;
static total_stats_widget_t stats_w;
typedef struct {
duration_t total_time;
/* avg_time is simply total_time / nr -- let's not keep this */
duration_t shortest_time;
duration_t longest_time;
depth_t max_depth;
depth_t min_depth;
depth_t avg_depth;
volume_t max_sac;
volume_t min_sac;
volume_t avg_sac;
int max_temp;
int min_temp;
unsigned int combined_temp;
unsigned int combined_count;
unsigned int selection_size;
unsigned int total_sac_time;
} stats_t;
static stats_t stats;
static stats_t stats_selection;
static void process_dive(struct dive *dp, stats_t *stats)
{
int old_tt, sac_time = 0;
const char *unit;
old_tt = stats->total_time.seconds;
stats->total_time.seconds += dp->duration.seconds;
if (dp->duration.seconds > stats->longest_time.seconds)
stats->longest_time.seconds = dp->duration.seconds;
if (stats->shortest_time.seconds == 0 || dp->duration.seconds < stats->shortest_time.seconds)
stats->shortest_time.seconds = dp->duration.seconds;
if (dp->maxdepth.mm > stats->max_depth.mm)
stats->max_depth.mm = dp->maxdepth.mm;
if (stats->min_depth.mm == 0 || dp->maxdepth.mm < stats->min_depth.mm)
stats->min_depth.mm = dp->maxdepth.mm;
if (dp->watertemp.mkelvin) {
if (stats->min_temp == 0 || dp->watertemp.mkelvin < stats->min_temp)
stats->min_temp = dp->watertemp.mkelvin;
if (dp->watertemp.mkelvin > stats->max_temp)
stats->max_temp = dp->watertemp.mkelvin;
stats->combined_temp += get_temp_units(dp->watertemp.mkelvin, &unit);
stats->combined_count++;
}
/* Maybe we should drop zero-duration dives */
if (!dp->duration.seconds)
return;
stats->avg_depth.mm = (1.0 * old_tt * stats->avg_depth.mm +
dp->duration.seconds * dp->meandepth.mm) / stats->total_time.seconds;
if (dp->sac > 2800) { /* less than .1 cuft/min (2800ml/min) is bogus */
sac_time = stats->total_sac_time + dp->duration.seconds;
stats->avg_sac.mliter = (1.0 * stats->total_sac_time * stats->avg_sac.mliter +
dp->duration.seconds * dp->sac) / sac_time ;
if (dp->sac > stats->max_sac.mliter)
stats->max_sac.mliter = dp->sac;
if (stats->min_sac.mliter == 0 || dp->sac < stats->min_sac.mliter)
stats->min_sac.mliter = dp->sac;
stats->total_sac_time = sac_time;
}
}
static void process_all_dives(struct dive *dive, struct dive **prev_dive)
{
int idx;
struct dive *dp;
*prev_dive = NULL;
memset(&stats, 0, sizeof(stats));
if (dive_table.nr > 0) {
stats.shortest_time.seconds = dive_table.dives[0]->duration.seconds;
stats.min_depth.mm = dive_table.dives[0]->maxdepth.mm;
stats.selection_size = dive_table.nr;
}
/* 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];
}
process_dive(dp, &stats);
}
}
void process_selected_dives(GList *selected_dives, GtkTreeModel *model)
{
struct dive *dp;
unsigned int i;
GtkTreeIter iter;
GtkTreePath *path;
memset(&stats_selection, 0, sizeof(stats_selection));
stats_selection.selection_size = amount_selected;
for (i = 0; i < amount_selected; ++i) {
GValue value = {0, };
path = g_list_nth_data(selected_dives, i);
if (gtk_tree_model_get_iter(model, &iter, path)) {
gtk_tree_model_get_value(model, &iter, 0, &value);
dp = get_dive(g_value_get_int(&value));
}
process_dive(dp, &stats_selection);
}
}
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;
}
static void show_single_dive_stats(struct dive *dive)
{
char buf[80];
double value;
int decimals;
const char *unit;
int idx, offset, gas_used;
struct dive *prev_dive;
struct tm *tm;
process_all_dives(dive, &prev_dive);
tm = gmtime(&dive->when);
snprintf(buf, sizeof(buf),
"%s, %s %d, %d %2d:%02d",
weekday(tm->tm_wday),
monthname(tm->tm_mon),
tm->tm_mday, tm->tm_year + 1900,
tm->tm_hour, tm->tm_min);
set_label(single_w.date, buf);
set_label(single_w.dive_time, "%d min", (dive->duration.seconds + 30) / 60);
if (prev_dive)
set_label(single_w.surf_intv,
get_time_string(dive->when - (prev_dive->when + prev_dive->duration.seconds), 4));
else
set_label(single_w.surf_intv, "unknown");
value = get_depth_units(dive->maxdepth.mm, &decimals, &unit);
set_label(single_w.max_depth, "%.*f %s", decimals, value, unit);
value = get_depth_units(dive->meandepth.mm, &decimals, &unit);
set_label(single_w.avg_depth, "%.*f %s", decimals, value, unit);
if (dive->watertemp.mkelvin) {
value = get_temp_units(dive->watertemp.mkelvin, &unit);
set_label(single_w.water_temp, "%.1f %s", value, unit);
} else
set_label(single_w.water_temp, "");
value = get_volume_units(dive->sac, &decimals, &unit);
if (value > 0) {
set_label(single_w.sac, "%.*f %s/min", decimals, value, unit);
} else
set_label(single_w.sac, "");
set_label(single_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];
unsigned int start, end;
start = cyl->start.mbar ? : cyl->sample_start.mbar;
end = cyl->end.mbar ? : cyl->sample_end.mbar;
if (!cylinder_none(cyl)) {
/* 0% O2 strangely means air, so 21% - I don't like that at all */
int o2 = cyl->gasmix.o2.permille ? : AIR_PERMILLE;
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 && start && end)
gas_used += cyl->type.size.mliter / 1000.0 * (start - end);
}
set_label(single_w.o2he, buf);
if (gas_used) {
value = get_volume_units(gas_used, &decimals, &unit);
set_label(single_w.gas_used, "%.*f %s", decimals, value, unit);
} else
set_label(single_w.gas_used, "");
}
static void show_total_dive_stats(struct dive *dive)
{
double value;
int decimals, seconds;
const char *unit;
stats_t *stats_ptr;
if (amount_selected < 2)
stats_ptr = &stats;
else
stats_ptr = &stats_selection;
set_label(stats_w.selection_size, "%d", stats_ptr->selection_size);
if (stats_ptr->min_temp) {
value = get_temp_units(stats_ptr->min_temp, &unit);
set_label(stats_w.min_temp, "%.1f %s", value, unit);
}
if (stats_ptr->combined_temp && stats_ptr->combined_count)
set_label(stats_w.avg_temp, "%.1f %s", stats_ptr->combined_temp / (stats_ptr->combined_count * 1.0), unit);
if (stats_ptr->max_temp) {
value = get_temp_units(stats_ptr->max_temp, &unit);
set_label(stats_w.max_temp, "%.1f %s", value, unit);
}
set_label(stats_w.total_time, get_time_string(stats_ptr->total_time.seconds, 0));
seconds = stats_ptr->total_time.seconds;
if (stats_ptr->selection_size)
seconds /= stats_ptr->selection_size;
set_label(stats_w.avg_time, get_time_string(seconds, 0));
set_label(stats_w.longest_time, get_time_string(stats_ptr->longest_time.seconds, 0));
set_label(stats_w.shortest_time, get_time_string(stats_ptr->shortest_time.seconds, 0));
value = get_depth_units(stats_ptr->max_depth.mm, &decimals, &unit);
set_label(stats_w.max_overall_depth, "%.*f %s", decimals, value, unit);
value = get_depth_units(stats_ptr->min_depth.mm, &decimals, &unit);
set_label(stats_w.min_overall_depth, "%.*f %s", decimals, value, unit);
value = get_depth_units(stats_ptr->avg_depth.mm, &decimals, &unit);
set_label(stats_w.avg_overall_depth, "%.*f %s", decimals, value, unit);
value = get_volume_units(stats_ptr->max_sac.mliter, &decimals, &unit);
set_label(stats_w.max_sac, "%.*f %s/min", decimals, value, unit);
value = get_volume_units(stats_ptr->min_sac.mliter, &decimals, &unit);
set_label(stats_w.min_sac, "%.*f %s/min", decimals, value, unit);
value = get_volume_units(stats_ptr->avg_sac.mliter, &decimals, &unit);
set_label(stats_w.avg_sac, "%.*f %s/min", decimals, value, unit);
}
void show_dive_stats(struct dive *dive)
{
/* they have to be called in this order, as 'total' depends on
* calculations done in 'single' */
show_single_dive_stats(dive);
show_total_dive_stats(dive);
}
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 *total_stats_widget(void)
{
GtkWidget *vbox, *hbox, *statsframe, *framebox;
vbox = gtk_vbox_new(FALSE, 3);
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);
stats_w.selection_size = new_info_label_in_frame(hbox, "Dives");
stats_w.max_temp = new_info_label_in_frame(hbox, "Max Temp");
stats_w.min_temp = new_info_label_in_frame(hbox, "Min Temp");
stats_w.avg_temp = new_info_label_in_frame(hbox, "Avg Temp");
/* second row */
hbox = gtk_hbox_new(FALSE, 3);
gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
stats_w.total_time = new_info_label_in_frame(hbox, "Total Time");
stats_w.avg_time = new_info_label_in_frame(hbox, "Avg Time");
stats_w.longest_time = new_info_label_in_frame(hbox, "Longest Dive");
stats_w.shortest_time = new_info_label_in_frame(hbox, "Shortest Dive");
/* third row */
hbox = gtk_hbox_new(FALSE, 3);
gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
stats_w.max_overall_depth = new_info_label_in_frame(hbox, "Max Depth");
stats_w.min_overall_depth = new_info_label_in_frame(hbox, "Min Depth");
stats_w.avg_overall_depth = new_info_label_in_frame(hbox, "Avg Depth");
/* fourth row */
hbox = gtk_hbox_new(FALSE, 3);
gtk_box_pack_start(GTK_BOX(framebox), hbox, TRUE, FALSE, 3);
stats_w.max_sac = new_info_label_in_frame(hbox, "Max SAC");
stats_w.min_sac = new_info_label_in_frame(hbox, "Min SAC");
stats_w.avg_sac = new_info_label_in_frame(hbox, "Avg SAC");
return vbox;
}
GtkWidget *single_stats_widget(void)
{
GtkWidget *vbox, *hbox, *infoframe, *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);
single_w.date = new_info_label_in_frame(hbox, "Date");
single_w.dive_time = new_info_label_in_frame(hbox, "Dive Time");
single_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);
single_w.max_depth = new_info_label_in_frame(hbox, "Max Depth");
single_w.avg_depth = new_info_label_in_frame(hbox, "Avg Depth");
single_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);
single_w.sac = new_info_label_in_frame(hbox, "SAC");
single_w.otu = new_info_label_in_frame(hbox, "OTU");
single_w.o2he = new_info_label_in_frame(hbox, "O" UTF8_SUBSCRIPT_2 " / He");
single_w.gas_used = new_info_label_in_frame(hbox, "Gas Used");
return vbox;
}
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