2 /* this creates the UI for the dive list -
3 * controlled through the following interfaces:
5 * void flush_divelist(struct dive *dive)
6 * GtkWidget dive_list_create(void)
7 * void dive_list_update_dives(void)
8 * void update_dive_list_units(void)
9 * void set_divelist_font(const char *font)
10 * void mark_divelist_changed(int changed)
11 * int unsaved_changes()
22 #include "display-gtk.h"
26 GtkWidget *container_widget;
28 GtkTreeViewColumn *nr, *date, *stars, *depth, *duration, *location;
29 GtkTreeViewColumn *temperature, *cylinder, *nitrox, *sac, *otu;
33 static struct DiveList dive_list;
36 * The dive list has the dive data in both string format (for showing)
37 * and in "raw" format (for sorting purposes)
41 DIVE_NR, /* int: dive->nr */
42 DIVE_DATE, /* time_t: dive->when */
43 DIVE_RATING, /* int: 0-5 stars */
44 DIVE_DEPTH, /* int: dive->maxdepth in mm */
45 DIVE_DURATION, /* int: in seconds */
46 DIVE_TEMPERATURE, /* int: in mkelvin */
48 DIVE_NITROX, /* int: dummy */
49 DIVE_SAC, /* int: in ml/min */
50 DIVE_OTU, /* int: in OTUs */
51 DIVE_LOCATION, /* "2nd Cathedral, Lanai" */
55 static GList *selected_dives;
57 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
63 int nr_selected = gtk_tree_selection_count_selected_rows(selection);
66 g_list_foreach (selected_dives, (GFunc) gtk_tree_path_free, NULL);
67 g_list_free (selected_dives);
69 selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
71 switch (nr_selected) {
72 case 0: /* keep showing the last selected dive */
75 /* just pick that dive as selected */
76 path = g_list_nth_data(selected_dives, 0);
77 if (gtk_tree_model_get_iter(model, &iter, path)) {
78 gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
79 selected_dive = g_value_get_int(&value);
83 default: /* multiple selections - what now? At this point I
84 * don't want to change the selected dive unless
85 * there is exactly one dive selected; not sure this
86 * is the most intuitive solution.
87 * I do however want to keep around which dives have
93 const char *star_strings[] = {
102 static void star_data_func(GtkTreeViewColumn *col,
103 GtkCellRenderer *renderer,
111 gtk_tree_model_get(model, iter, DIVE_RATING, &nr_stars, -1);
112 if (nr_stars < 0 || nr_stars > 5)
114 snprintf(buffer, sizeof(buffer), "%s", star_strings[nr_stars]);
115 g_object_set(renderer, "text", buffer, NULL);
118 static void date_data_func(GtkTreeViewColumn *col,
119 GtkCellRenderer *renderer,
129 gtk_tree_model_get(model, iter, DIVE_DATE, &val, -1);
135 snprintf(buffer, sizeof(buffer),
136 "%s, %s %d, %d %02d:%02d",
137 weekday(tm->tm_wday),
138 monthname(tm->tm_mon),
139 tm->tm_mday, tm->tm_year + 1900,
140 tm->tm_hour, tm->tm_min);
141 g_object_set(renderer, "text", buffer, NULL);
144 static void depth_data_func(GtkTreeViewColumn *col,
145 GtkCellRenderer *renderer,
150 int depth, integer, frac, len;
153 gtk_tree_model_get(model, iter, DIVE_DEPTH, &depth, -1);
155 switch (output_units.length) {
157 /* To tenths of meters */
158 depth = (depth + 49) / 100;
159 integer = depth / 10;
168 integer = mm_to_feet(depth) + 0.5;
174 len = snprintf(buffer, sizeof(buffer), "%d", integer);
176 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
178 g_object_set(renderer, "text", buffer, NULL);
181 static void duration_data_func(GtkTreeViewColumn *col,
182 GtkCellRenderer *renderer,
190 gtk_tree_model_get(model, iter, DIVE_DURATION, &sec, -1);
191 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
193 g_object_set(renderer, "text", buffer, NULL);
196 static void temperature_data_func(GtkTreeViewColumn *col,
197 GtkCellRenderer *renderer,
205 gtk_tree_model_get(model, iter, DIVE_TEMPERATURE, &value, -1);
210 switch (output_units.temperature) {
212 deg = mkelvin_to_C(value);
215 deg = mkelvin_to_F(value);
220 snprintf(buffer, sizeof(buffer), "%.1f", deg);
223 g_object_set(renderer, "text", buffer, NULL);
227 * Get "maximal" dive gas for a dive.
229 * - Trimix trumps nitrox (highest He wins, O2 breaks ties)
230 * - Nitrox trumps air (even if hypoxic)
231 * These are the same rules as the inter-dive sorting rules.
233 static void get_dive_gas(struct dive *dive, int *o2, int *he, int *o2low)
236 int maxo2 = -1, maxhe = -1, mino2 = 1000;
238 for (i = 0; i < MAX_CYLINDERS; i++) {
239 cylinder_t *cyl = dive->cylinder + i;
240 struct gasmix *mix = &cyl->gasmix;
241 int o2 = mix->o2.permille;
242 int he = mix->he.permille;
244 if (cylinder_none(cyl))
260 /* All air? Show/sort as "air"/zero */
261 if (!maxhe && maxo2 == 209 && mino2 == maxo2)
268 static gint nitrox_sort_func(GtkTreeModel *model,
273 int index_a, index_b;
277 int a_o2low, b_o2low;
279 gtk_tree_model_get(model, iter_a, DIVE_INDEX, &index_a, -1);
280 gtk_tree_model_get(model, iter_b, DIVE_INDEX, &index_b, -1);
281 a = get_dive(index_a);
282 b = get_dive(index_b);
283 get_dive_gas(a, &a_o2, &a_he, &a_o2low);
284 get_dive_gas(b, &b_o2, &b_he, &b_o2low);
286 /* Sort by Helium first, O2 second */
289 return a_o2low - b_o2low;
295 static void nitrox_data_func(GtkTreeViewColumn *col,
296 GtkCellRenderer *renderer,
301 int index, o2, he, o2low;
305 gtk_tree_model_get(model, iter, DIVE_INDEX, &index, -1);
306 dive = get_dive(index);
307 get_dive_gas(dive, &o2, &he, &o2low);
310 o2low = (o2low + 5) / 10;
313 snprintf(buffer, sizeof(buffer), "%d/%d", o2, he);
316 snprintf(buffer, sizeof(buffer), "%d", o2);
318 snprintf(buffer, sizeof(buffer), "%d-%d", o2low, o2);
320 strcpy(buffer, "air");
322 g_object_set(renderer, "text", buffer, NULL);
325 /* Render the SAC data (integer value of "ml / min") */
326 static void sac_data_func(GtkTreeViewColumn *col,
327 GtkCellRenderer *renderer,
337 gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
340 g_object_set(renderer, "text", "", NULL);
344 sac = value / 1000.0;
345 switch (output_units.volume) {
351 sac = ml_to_cuft(sac * 1000);
354 snprintf(buffer, sizeof(buffer), fmt, sac);
356 g_object_set(renderer, "text", buffer, NULL);
359 /* Render the OTU data (integer value of "OTU") */
360 static void otu_data_func(GtkTreeViewColumn *col,
361 GtkCellRenderer *renderer,
369 gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
372 g_object_set(renderer, "text", "", NULL);
376 snprintf(buffer, sizeof(buffer), "%d", value);
378 g_object_set(renderer, "text", buffer, NULL);
381 /* calculate OTU for a dive */
382 static int calculate_otu(struct dive *dive)
387 for (i = 1; i < dive->samples; i++) {
390 struct sample *sample = dive->sample + i;
391 struct sample *psample = sample - 1;
392 t = sample->time.seconds - psample->time.seconds;
393 po2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille / 1000.0 *
394 (sample->depth.mm + 10000) / 10000.0;
396 otu += pow(po2 - 0.5, 0.83) * t / 30.0;
401 * Return air usage (in liters).
403 static double calculate_airuse(struct dive *dive)
408 for (i = 0; i < MAX_CYLINDERS; i++) {
409 pressure_t start, end;
410 cylinder_t *cyl = dive->cylinder + i;
411 int size = cyl->type.size.mliter;
417 start = cyl->start.mbar ? cyl->start : cyl->sample_start;
418 end = cyl->end.mbar ? cyl->end : cyl->sample_end;
419 kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
421 /* Liters of air at 1 atm == milliliters at 1k atm*/
422 airuse += kilo_atm * size;
427 static int calculate_sac(struct dive *dive)
429 double airuse, pressure, sac;
432 airuse = calculate_airuse(dive);
435 if (!dive->duration.seconds)
438 /* find and eliminate long surface intervals */
439 duration = dive->duration.seconds;
440 for (i = 0; i < dive->samples; i++) {
441 if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
443 while (end < dive->samples && dive->sample[end].depth.mm < 100)
445 /* we only want the actual surface time during a dive */
446 if (end < dive->samples) {
448 duration -= dive->sample[end].time.seconds -
449 dive->sample[i].time.seconds;
454 /* Mean pressure in atm: 1 atm per 10m */
455 pressure = 1 + (dive->meandepth.mm / 10000.0);
456 sac = airuse / pressure * 60 / duration;
458 /* milliliters per minute.. */
462 void update_cylinder_related_info(struct dive *dive)
465 dive->sac = calculate_sac(dive);
466 dive->otu = calculate_otu(dive);
470 static void get_string(char **str, const char *s)
486 static void get_location(struct dive *dive, char **str)
488 get_string(str, dive->location);
491 static void get_cylinder(struct dive *dive, char **str)
493 get_string(str, dive->cylinder[0].type.description);
497 * Set up anything that could have changed due to editing
498 * of dive information
500 static void fill_one_dive(struct dive *dive,
504 char *location, *cylinder;
506 get_cylinder(dive, &cylinder);
507 get_location(dive, &location);
509 gtk_list_store_set(GTK_LIST_STORE(model), iter,
510 DIVE_NR, dive->number,
511 DIVE_LOCATION, location,
512 DIVE_CYLINDER, cylinder,
513 DIVE_RATING, dive->rating,
519 static gboolean set_one_dive(GtkTreeModel *model,
524 GValue value = {0, };
527 /* Get the dive number */
528 gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
529 dive = get_dive(g_value_get_int(&value));
532 if (data && dive != data)
535 fill_one_dive(dive, model, iter);
539 void flush_divelist(struct dive *dive)
541 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
543 gtk_tree_model_foreach(model, set_one_dive, dive);
546 void set_divelist_font(const char *font)
548 PangoFontDescription *font_desc = pango_font_description_from_string(font);
549 gtk_widget_modify_font(dive_list.tree_view, font_desc);
550 pango_font_description_free(font_desc);
553 void update_dive_list_units(void)
556 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
558 (void) get_depth_units(0, NULL, &unit);
559 gtk_tree_view_column_set_title(dive_list.depth, unit);
561 (void) get_temp_units(0, &unit);
562 gtk_tree_view_column_set_title(dive_list.temperature, unit);
564 gtk_tree_model_foreach(model, set_one_dive, NULL);
567 void update_dive_list_col_visibility(void)
569 gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
570 gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
571 gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
572 gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
573 gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
577 static void fill_dive_list(void)
583 store = GTK_LIST_STORE(dive_list.model);
587 struct dive *dive = dive_table.dives[i];
589 update_cylinder_related_info(dive);
590 gtk_list_store_append(store, &iter);
591 gtk_list_store_set(store, &iter,
593 DIVE_NR, dive->number,
594 DIVE_DATE, dive->when,
595 DIVE_DEPTH, dive->maxdepth,
596 DIVE_DURATION, dive->duration.seconds,
597 DIVE_LOCATION, "location",
598 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
603 update_dive_list_units();
604 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
605 GtkTreeSelection *selection;
606 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
607 gtk_tree_selection_select_iter(selection, &iter);
611 void dive_list_update_dives(void)
613 gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
618 static struct divelist_column {
625 [DIVE_NR] = { "#", NULL, NULL, ALIGN_RIGHT | UNSORTABLE },
626 [DIVE_DATE] = { "Date", date_data_func, NULL, ALIGN_LEFT },
627 [DIVE_RATING] = { UTF8_BLACKSTAR, star_data_func, NULL, ALIGN_LEFT },
628 [DIVE_DEPTH] = { "ft", depth_data_func, NULL, ALIGN_RIGHT },
629 [DIVE_DURATION] = { "min", duration_data_func, NULL, ALIGN_RIGHT },
630 [DIVE_TEMPERATURE] = { UTF8_DEGREE "F", temperature_data_func, NULL, ALIGN_RIGHT, &visible_cols.temperature },
631 [DIVE_CYLINDER] = { "Cyl", NULL, NULL, 0, &visible_cols.cylinder },
632 [DIVE_NITROX] = { "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, nitrox_sort_func, 0, &visible_cols.nitrox },
633 [DIVE_SAC] = { "SAC", sac_data_func, NULL, 0, &visible_cols.sac },
634 [DIVE_OTU] = { "OTU", otu_data_func, NULL, 0, &visible_cols.otu },
635 [DIVE_LOCATION] = { "Location", NULL, NULL, ALIGN_LEFT },
639 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, struct divelist_column *col)
641 int index = col - &column[0];
642 const char *title = col->header;
643 data_func_t data_func = col->data;
644 sort_func_t sort_func = col->sort;
645 unsigned int flags = col->flags;
646 int *visible = col->visible;
647 GtkWidget *tree_view = dl->tree_view;
648 GtkListStore *model = dl->model;
649 GtkTreeViewColumn *ret;
651 if (visible && !*visible)
653 ret = tree_view_column(tree_view, index, title, data_func, flags);
655 gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(model), index, sort_func, NULL, NULL);
660 * This is some crazy crap. The only way to get default focus seems
661 * to be to grab focus as the widget is being shown the first time.
663 static void realize_cb(GtkWidget *tree_view, gpointer userdata)
665 gtk_widget_grab_focus(tree_view);
668 static void row_activated_cb(GtkTreeView *tree_view,
670 GtkTreeViewColumn *column,
676 if (!gtk_tree_model_get_iter(model, &iter, path))
678 gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
679 edit_dive_info(get_dive(index));
682 GtkWidget *dive_list_create(void)
684 GtkTreeSelection *selection;
686 dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
687 G_TYPE_INT, /* index */
689 G_TYPE_INT, /* Date */
690 G_TYPE_INT, /* Star rating */
691 G_TYPE_INT, /* Depth */
692 G_TYPE_INT, /* Duration */
693 G_TYPE_INT, /* Temperature */
694 G_TYPE_STRING, /* Cylinder */
695 G_TYPE_INT, /* Nitrox */
696 G_TYPE_INT, /* SAC */
697 G_TYPE_INT, /* OTU */
698 G_TYPE_STRING /* Location */
700 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
701 set_divelist_font(divelist_font);
703 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
705 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
706 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
708 dive_list.nr = divelist_column(&dive_list, column + DIVE_NR);
709 dive_list.date = divelist_column(&dive_list, column + DIVE_DATE);
710 dive_list.stars = divelist_column(&dive_list, column + DIVE_RATING);
711 dive_list.depth = divelist_column(&dive_list, column + DIVE_DEPTH);
712 dive_list.duration = divelist_column(&dive_list, column + DIVE_DURATION);
713 dive_list.temperature = divelist_column(&dive_list, column + DIVE_TEMPERATURE);
714 dive_list.cylinder = divelist_column(&dive_list, column + DIVE_CYLINDER);
715 dive_list.nitrox = divelist_column(&dive_list, column + DIVE_NITROX);
716 dive_list.sac = divelist_column(&dive_list, column + DIVE_SAC);
717 dive_list.otu = divelist_column(&dive_list, column + DIVE_OTU);
718 dive_list.location = divelist_column(&dive_list, column + DIVE_LOCATION);
722 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
723 "search-column", DIVE_LOCATION,
727 g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
728 g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
729 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
731 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
732 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
733 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
734 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
736 dive_list.changed = 0;
738 return dive_list.container_widget;
741 void mark_divelist_changed(int changed)
743 dive_list.changed = changed;
746 int unsaved_changes()
748 return dive_list.changed;