+/* divelist.c */
+/* this creates the UI for the dive list -
+ * controlled through the following interfaces:
+ *
+ * void flush_divelist(struct dive *dive)
+ * GtkWidget dive_list_create(void)
+ * void dive_list_update_dives(void)
+ * void update_dive_list_units(void)
+ * void set_divelist_font(const char *font)
+ * void mark_divelist_changed(int changed)
+ * int unsaved_changes()
+ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
+#include <math.h>
#include "divelist.h"
#include "dive.h"
#include "display.h"
+#include "display-gtk.h"
+
+struct DiveList {
+ GtkWidget *tree_view;
+ GtkWidget *container_widget;
+ GtkListStore *model;
+ GtkTreeViewColumn *nr, *date, *depth, *duration, *location;
+ GtkTreeViewColumn *temperature, *cylinder, *nitrox, *sac, *otu;
+ int changed;
+};
+
+static struct DiveList dive_list;
/*
* The dive list has the dive data in both string format (for showing)
*/
enum {
DIVE_INDEX = 0,
+ DIVE_NR, /* int: dive->nr */
DIVE_DATE, /* time_t: dive->when */
DIVE_DEPTH, /* int: dive->maxdepth in mm */
DIVE_DURATION, /* int: in seconds */
- DIVE_LOCATION, /* "2nd Cathedral, Lanai" */
DIVE_TEMPERATURE, /* int: in mkelvin */
DIVE_CYLINDER,
DIVE_NITROX, /* int: in permille */
DIVE_SAC, /* int: in ml/min */
+ DIVE_OTU, /* int: in OTUs */
+ DIVE_LOCATION, /* "2nd Cathedral, Lanai" */
DIVELIST_COLUMNS
};
+static GList *selected_dives;
static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
{
GtkTreeIter iter;
GValue value = {0, };
+ GtkTreePath *path;
- if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
- return;
+ int nr_selected = gtk_tree_selection_count_selected_rows(selection);
- gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
- selected_dive = g_value_get_int(&value);
- repaint_dive();
-}
-
-static const char *weekday(int wday)
-{
- static const char wday_array[7][4] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
- };
- return wday_array[wday];
-}
+ if (selected_dives) {
+ g_list_foreach (selected_dives, (GFunc) gtk_tree_path_free, NULL);
+ g_list_free (selected_dives);
+ }
+ selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
-static const char *monthname(int mon)
-{
- static const char month_array[12][4] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Oct", "Sep", "Nov", "Dec",
- };
- return month_array[mon];
+ switch (nr_selected) {
+ case 0: /* keep showing the last selected dive */
+ return;
+ case 1:
+ /* just pick that dive as selected */
+ path = g_list_nth_data(selected_dives, 0);
+ if (gtk_tree_model_get_iter(model, &iter, path)) {
+ gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
+ selected_dive = g_value_get_int(&value);
+ repaint_dive();
+ }
+ return;
+ default: /* multiple selections - what now? At this point I
+ * don't want to change the selected dive unless
+ * there is exactly one dive selected; not sure this
+ * is the most intuitive solution.
+ * I do however want to keep around which dives have
+ * been selected */
+ return;
+ }
}
static void date_data_func(GtkTreeViewColumn *col,
gpointer data)
{
int value;
- const double liters_per_cuft = 28.317;
const char *fmt;
char buffer[16];
double sac;
sac = value / 1000.0;
switch (output_units.volume) {
case LITER:
- fmt = "%4.0f";
+ fmt = "%4.1f";
break;
case CUFT:
fmt = "%4.2f";
- sac /= liters_per_cuft;
+ sac = ml_to_cuft(sac * 1000);
break;
}
snprintf(buffer, sizeof(buffer), fmt, sac);
g_object_set(renderer, "text", buffer, NULL);
}
+/* Render the OTU data (integer value of "OTU") */
+static void otu_data_func(GtkTreeViewColumn *col,
+ GtkCellRenderer *renderer,
+ GtkTreeModel *model,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ int value;
+ char buffer[16];
+
+ gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
+
+ if (!value) {
+ g_object_set(renderer, "text", "", NULL);
+ return;
+ }
+
+ snprintf(buffer, sizeof(buffer), "%d", value);
+
+ g_object_set(renderer, "text", buffer, NULL);
+}
+
+/* calculate OTU for a dive */
+static int calculate_otu(struct dive *dive)
+{
+ int i;
+ double otu = 0.0;
+
+ for (i = 1; i < dive->samples; i++) {
+ int t;
+ double po2;
+ struct sample *sample = dive->sample + i;
+ struct sample *psample = sample - 1;
+ t = sample->time.seconds - psample->time.seconds;
+ po2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille / 1000.0 *
+ (sample->depth.mm + 10000) / 10000.0;
+ if (po2 >= 0.5)
+ otu += pow(po2 - 0.5, 0.83) * t / 30.0;
+ }
+ return otu + 0.5;
+}
/*
* Return air usage (in liters).
*/
int i;
for (i = 0; i < MAX_CYLINDERS; i++) {
+ pressure_t start, end;
cylinder_t *cyl = dive->cylinder + i;
int size = cyl->type.size.mliter;
double kilo_atm;
if (!size)
continue;
- kilo_atm = (cyl->start.mbar - cyl->end.mbar) / 1013250.0;
+ start = cyl->start.mbar ? cyl->start : cyl->sample_start;
+ end = cyl->end.mbar ? cyl->end : cyl->sample_end;
+ kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
/* Liters of air at 1 atm == milliliters at 1k atm*/
airuse += kilo_atm * size;
return airuse;
}
-static void get_sac(struct dive *dive, int *val)
+static int calculate_sac(struct dive *dive)
{
double airuse, pressure, sac;
+ int duration, i;
- *val = 0;
airuse = calculate_airuse(dive);
if (!airuse)
- return;
+ return 0;
if (!dive->duration.seconds)
- return;
-
+ return 0;
+
+ /* find and eliminate long surface intervals */
+ duration = dive->duration.seconds;
+ for (i = 0; i < dive->samples; i++) {
+ if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
+ int end = i + 1;
+ while (end < dive->samples && dive->sample[end].depth.mm < 100)
+ end++;
+ /* we only want the actual surface time during a dive */
+ if (end < dive->samples) {
+ end--;
+ duration -= dive->sample[end].time.seconds -
+ dive->sample[i].time.seconds;
+ i = end + 1;
+ }
+ }
+ }
/* Mean pressure in atm: 1 atm per 10m */
pressure = 1 + (dive->meandepth.mm / 10000.0);
- sac = airuse / pressure * 60 / dive->duration.seconds;
+ sac = airuse / pressure * 60 / duration;
/* milliliters per minute.. */
- *val = sac * 1000;
+ return sac * 1000;
+}
+
+void update_cylinder_related_info(struct dive *dive)
+{
+ if (dive != NULL) {
+ dive->sac = calculate_sac(dive);
+ dive->otu = calculate_otu(dive);
+ }
}
static void get_string(char **str, const char *s)
if (!s)
s = "";
len = strlen(s);
- if (len > 16)
- len = 16;
+ if (len > 60)
+ len = 60;
n = malloc(len+1);
memcpy(n, s, len);
n[len] = 0;
GtkTreeModel *model,
GtkTreeIter *iter)
{
- int sac;
char *location, *cylinder;
get_cylinder(dive, &cylinder);
get_location(dive, &location);
- get_sac(dive, &sac);
/*
* We only set the fields that changed: the strings.
* The core data itself is unaffected by units
*/
gtk_list_store_set(GTK_LIST_STORE(model), iter,
+ DIVE_NR, dive->number,
DIVE_LOCATION, location,
DIVE_CYLINDER, cylinder,
- DIVE_SAC, sac,
+ DIVE_SAC, dive->sac,
+ DIVE_OTU, dive->otu,
-1);
}
return dive == data;
}
-void flush_divelist(struct DiveList *dive_list, struct dive *dive)
+void flush_divelist(struct dive *dive)
{
- GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
+ GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
gtk_tree_model_foreach(model, set_one_dive, dive);
}
-void update_dive_list_units(struct DiveList *dive_list)
+void set_divelist_font(const char *font)
+{
+ PangoFontDescription *font_desc = pango_font_description_from_string(font);
+ gtk_widget_modify_font(dive_list.tree_view, font_desc);
+ pango_font_description_free(font_desc);
+}
+
+void update_dive_list_units(void)
{
const char *unit;
- GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
+ GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
- switch (output_units.length) {
- case METERS:
- unit = "m";
- break;
- case FEET:
- unit = "ft";
- break;
- }
- gtk_tree_view_column_set_title(dive_list->depth, unit);
+ (void) get_depth_units(0, NULL, &unit);
+ gtk_tree_view_column_set_title(dive_list.depth, unit);
+
+ (void) get_temp_units(0, &unit);
+ gtk_tree_view_column_set_title(dive_list.temperature, unit);
gtk_tree_model_foreach(model, set_one_dive, NULL);
}
-static void fill_dive_list(struct DiveList *dive_list)
+void update_dive_list_col_visibility(void)
+{
+ gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
+ gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
+ gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
+ gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
+ gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
+ return;
+}
+
+static void fill_dive_list(void)
{
int i;
GtkTreeIter iter;
GtkListStore *store;
- store = GTK_LIST_STORE(dive_list->model);
+ store = GTK_LIST_STORE(dive_list.model);
- for (i = 0; i < dive_table.nr; i++) {
+ i = dive_table.nr;
+ while (--i >= 0) {
struct dive *dive = dive_table.dives[i];
+ update_cylinder_related_info(dive);
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
DIVE_INDEX, i,
+ DIVE_NR, dive->number,
DIVE_DATE, dive->when,
DIVE_DEPTH, dive->maxdepth,
DIVE_DURATION, dive->duration.seconds,
-1);
}
- update_dive_list_units(dive_list);
+ update_dive_list_units();
+ if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
+ GtkTreeSelection *selection;
+ selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
+ gtk_tree_selection_select_iter(selection, &iter);
+ }
}
-void dive_list_update_dives(struct DiveList dive_list)
+void dive_list_update_dives(void)
{
gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
- fill_dive_list(&dive_list);
+ fill_dive_list();
repaint_dive();
}
-typedef void (*data_func_t)(GtkTreeViewColumn *col,
- GtkCellRenderer *renderer,
- GtkTreeModel *model,
- GtkTreeIter *iter,
- gpointer data);
-
static GtkTreeViewColumn *divelist_column(struct DiveList *dl, int index, const char *title,
- data_func_t data_func, int align_right)
+ data_func_t data_func, PangoAlignment align, gboolean visible)
{
- GtkCellRenderer *renderer;
- GtkTreeViewColumn *col;
-
- renderer = gtk_cell_renderer_text_new();
- col = gtk_tree_view_column_new();
-
- gtk_tree_view_column_set_title(col, title);
- gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
- gtk_tree_view_column_set_resizable(col, TRUE);
- gtk_tree_view_column_pack_start(col, renderer, TRUE);
- if (data_func)
- gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, NULL, NULL);
- else
- gtk_tree_view_column_add_attribute(col, renderer, "text", index);
- if (align_right) {
- gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
- gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
- }
- gtk_tree_view_append_column(GTK_TREE_VIEW(dl->tree_view), col);
- return col;
+ return tree_view_column(dl->tree_view, index, title, data_func, align, visible);
+}
+
+/*
+ * This is some crazy crap. The only way to get default focus seems
+ * to be to grab focus as the widget is being shown the first time.
+ */
+static void realize_cb(GtkWidget *tree_view, gpointer userdata)
+{
+ gtk_widget_grab_focus(tree_view);
+}
+
+static void row_activated_cb(GtkTreeView *tree_view,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column,
+ GtkTreeModel *model)
+{
+ int index;
+ GtkTreeIter iter;
+
+ if (!gtk_tree_model_get_iter(model, &iter, path))
+ return;
+ gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
+ edit_dive_info(get_dive(index));
}
-struct DiveList dive_list_create(void)
+GtkWidget *dive_list_create(void)
{
- struct DiveList dive_list;
GtkTreeSelection *selection;
dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
G_TYPE_INT, /* index */
+ G_TYPE_INT, /* nr */
G_TYPE_INT, /* Date */
G_TYPE_INT, /* Depth */
G_TYPE_INT, /* Duration */
- G_TYPE_STRING, /* Location */
G_TYPE_INT, /* Temperature */
G_TYPE_STRING, /* Cylinder */
G_TYPE_INT, /* Nitrox */
- G_TYPE_INT /* SAC */
+ G_TYPE_INT, /* SAC */
+ G_TYPE_INT, /* OTU */
+ G_TYPE_STRING /* Location */
);
dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
+ set_divelist_font(divelist_font);
+
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
- gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
+ gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
- dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, 0);
- dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "ft", depth_data_func, 1);
- dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, 1);
- dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, 0);
- dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, "deg", temperature_data_func, 1);
- dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, 0);
- dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O2%", nitrox_data_func, 1);
- dive_list.sac = divelist_column(&dive_list, DIVE_NITROX, "SAC", sac_data_func, 1);
+ dive_list.nr = divelist_column(&dive_list, DIVE_NR, "#", NULL, PANGO_ALIGN_RIGHT, TRUE);
+ gtk_tree_view_column_set_sort_column_id(dive_list.nr, -1);
+ dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, PANGO_ALIGN_LEFT, TRUE);
+ dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "ft", depth_data_func, PANGO_ALIGN_RIGHT, TRUE);
+ dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, PANGO_ALIGN_RIGHT, TRUE);
+ dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, UTF8_DEGREE "F", temperature_data_func, PANGO_ALIGN_RIGHT, visible_cols.temperature);
+ dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, PANGO_ALIGN_CENTER, visible_cols.cylinder);
+ dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, PANGO_ALIGN_CENTER, visible_cols.nitrox);
+ dive_list.sac = divelist_column(&dive_list, DIVE_SAC, "SAC", sac_data_func, PANGO_ALIGN_CENTER, visible_cols.sac);
+ dive_list.otu = divelist_column(&dive_list, DIVE_OTU, "OTU", otu_data_func, PANGO_ALIGN_CENTER, visible_cols.otu);
+ dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, PANGO_ALIGN_LEFT, TRUE);
- fill_dive_list(&dive_list);
+ fill_dive_list();
g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
- "search-column", 0,
+ "search-column", DIVE_LOCATION,
"rules-hint", TRUE,
NULL);
+ g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
+ g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
- GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+ GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
- return dive_list;
+ dive_list.changed = 0;
+
+ return dive_list.container_widget;
+}
+
+void mark_divelist_changed(int changed)
+{
+ dive_list.changed = changed;
+}
+
+int unsaved_changes()
+{
+ return dive_list.changed;
}