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 */
77 path = g_list_nth_data(selected_dives, 0);
78 if (gtk_tree_model_get_iter(model, &iter, path)) {
79 gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
80 selected_dive = g_value_get_int(&value);
84 default: /* multiple selections - what now? At this point I
85 * don't want to change the selected dive unless
86 * there is exactly one dive selected; not sure this
87 * is the most intuitive solution.
88 * I do however want to keep around which dives have
90 amount_selected = g_list_length(selected_dives);
91 process_selected_dives(selected_dives, model);
97 const char *star_strings[] = {
106 static void star_data_func(GtkTreeViewColumn *col,
107 GtkCellRenderer *renderer,
115 gtk_tree_model_get(model, iter, DIVE_RATING, &nr_stars, -1);
116 if (nr_stars < 0 || nr_stars > 5)
118 snprintf(buffer, sizeof(buffer), "%s", star_strings[nr_stars]);
119 g_object_set(renderer, "text", buffer, NULL);
122 static void date_data_func(GtkTreeViewColumn *col,
123 GtkCellRenderer *renderer,
133 gtk_tree_model_get(model, iter, DIVE_DATE, &val, -1);
139 snprintf(buffer, sizeof(buffer),
140 "%s, %s %d, %d %02d:%02d",
141 weekday(tm->tm_wday),
142 monthname(tm->tm_mon),
143 tm->tm_mday, tm->tm_year + 1900,
144 tm->tm_hour, tm->tm_min);
145 g_object_set(renderer, "text", buffer, NULL);
148 static void depth_data_func(GtkTreeViewColumn *col,
149 GtkCellRenderer *renderer,
154 int depth, integer, frac, len;
157 gtk_tree_model_get(model, iter, DIVE_DEPTH, &depth, -1);
159 switch (output_units.length) {
161 /* To tenths of meters */
162 depth = (depth + 49) / 100;
163 integer = depth / 10;
172 integer = mm_to_feet(depth) + 0.5;
178 len = snprintf(buffer, sizeof(buffer), "%d", integer);
180 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
182 g_object_set(renderer, "text", buffer, NULL);
185 static void duration_data_func(GtkTreeViewColumn *col,
186 GtkCellRenderer *renderer,
194 gtk_tree_model_get(model, iter, DIVE_DURATION, &sec, -1);
195 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
197 g_object_set(renderer, "text", buffer, NULL);
200 static void temperature_data_func(GtkTreeViewColumn *col,
201 GtkCellRenderer *renderer,
209 gtk_tree_model_get(model, iter, DIVE_TEMPERATURE, &value, -1);
214 switch (output_units.temperature) {
216 deg = mkelvin_to_C(value);
219 deg = mkelvin_to_F(value);
224 snprintf(buffer, sizeof(buffer), "%.1f", deg);
227 g_object_set(renderer, "text", buffer, NULL);
231 * Get "maximal" dive gas for a dive.
233 * - Trimix trumps nitrox (highest He wins, O2 breaks ties)
234 * - Nitrox trumps air (even if hypoxic)
235 * These are the same rules as the inter-dive sorting rules.
237 static void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p)
240 int maxo2 = -1, maxhe = -1, mino2 = 1000;
242 for (i = 0; i < MAX_CYLINDERS; i++) {
243 cylinder_t *cyl = dive->cylinder + i;
244 struct gasmix *mix = &cyl->gasmix;
245 int o2 = mix->o2.permille;
246 int he = mix->he.permille;
248 if (cylinder_none(cyl))
264 /* All air? Show/sort as "air"/zero */
265 if (!maxhe && maxo2 == AIR_PERMILLE && mino2 == maxo2)
272 static gint nitrox_sort_func(GtkTreeModel *model,
277 int index_a, index_b;
281 int a_o2low, b_o2low;
283 gtk_tree_model_get(model, iter_a, DIVE_INDEX, &index_a, -1);
284 gtk_tree_model_get(model, iter_b, DIVE_INDEX, &index_b, -1);
285 a = get_dive(index_a);
286 b = get_dive(index_b);
287 get_dive_gas(a, &a_o2, &a_he, &a_o2low);
288 get_dive_gas(b, &b_o2, &b_he, &b_o2low);
290 /* Sort by Helium first, O2 second */
293 return a_o2low - b_o2low;
299 #define UTF8_ELLIPSIS "\xE2\x80\xA6"
301 static void nitrox_data_func(GtkTreeViewColumn *col,
302 GtkCellRenderer *renderer,
307 int index, o2, he, o2low;
311 gtk_tree_model_get(model, iter, DIVE_INDEX, &index, -1);
312 dive = get_dive(index);
313 get_dive_gas(dive, &o2, &he, &o2low);
316 o2low = (o2low + 5) / 10;
319 snprintf(buffer, sizeof(buffer), "%d/%d", o2, he);
322 snprintf(buffer, sizeof(buffer), "%d", o2);
324 snprintf(buffer, sizeof(buffer), "%d" UTF8_ELLIPSIS "%d", o2low, o2);
326 strcpy(buffer, "air");
328 g_object_set(renderer, "text", buffer, NULL);
331 /* Render the SAC data (integer value of "ml / min") */
332 static void sac_data_func(GtkTreeViewColumn *col,
333 GtkCellRenderer *renderer,
343 gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
346 g_object_set(renderer, "text", "", NULL);
350 sac = value / 1000.0;
351 switch (output_units.volume) {
357 sac = ml_to_cuft(sac * 1000);
360 snprintf(buffer, sizeof(buffer), fmt, sac);
362 g_object_set(renderer, "text", buffer, NULL);
365 /* Render the OTU data (integer value of "OTU") */
366 static void otu_data_func(GtkTreeViewColumn *col,
367 GtkCellRenderer *renderer,
375 gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
378 g_object_set(renderer, "text", "", NULL);
382 snprintf(buffer, sizeof(buffer), "%d", value);
384 g_object_set(renderer, "text", buffer, NULL);
387 /* calculate OTU for a dive */
388 static int calculate_otu(struct dive *dive)
393 for (i = 1; i < dive->samples; i++) {
396 struct sample *sample = dive->sample + i;
397 struct sample *psample = sample - 1;
398 t = sample->time.seconds - psample->time.seconds;
399 int o2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille;
402 po2 = o2 / 1000.0 * (sample->depth.mm + 10000) / 10000.0;
404 otu += pow(po2 - 0.5, 0.83) * t / 30.0;
409 * Return air usage (in liters).
411 static double calculate_airuse(struct dive *dive)
416 for (i = 0; i < MAX_CYLINDERS; i++) {
417 pressure_t start, end;
418 cylinder_t *cyl = dive->cylinder + i;
419 int size = cyl->type.size.mliter;
425 start = cyl->start.mbar ? cyl->start : cyl->sample_start;
426 end = cyl->end.mbar ? cyl->end : cyl->sample_end;
427 kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
429 /* Liters of air at 1 atm == milliliters at 1k atm*/
430 airuse += kilo_atm * size;
435 static int calculate_sac(struct dive *dive)
437 double airuse, pressure, sac;
440 airuse = calculate_airuse(dive);
443 if (!dive->duration.seconds)
446 /* find and eliminate long surface intervals */
447 duration = dive->duration.seconds;
448 for (i = 0; i < dive->samples; i++) {
449 if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
451 while (end < dive->samples && dive->sample[end].depth.mm < 100)
453 /* we only want the actual surface time during a dive */
454 if (end < dive->samples) {
456 duration -= dive->sample[end].time.seconds -
457 dive->sample[i].time.seconds;
462 /* Mean pressure in atm: 1 atm per 10m */
463 pressure = 1 + (dive->meandepth.mm / 10000.0);
464 sac = airuse / pressure * 60 / duration;
466 /* milliliters per minute.. */
470 void update_cylinder_related_info(struct dive *dive)
473 dive->sac = calculate_sac(dive);
474 dive->otu = calculate_otu(dive);
478 static void get_string(char **str, const char *s)
494 static void get_location(struct dive *dive, char **str)
496 get_string(str, dive->location);
499 static void get_cylinder(struct dive *dive, char **str)
501 get_string(str, dive->cylinder[0].type.description);
505 * Set up anything that could have changed due to editing
506 * of dive information
508 static void fill_one_dive(struct dive *dive,
512 char *location, *cylinder;
514 get_cylinder(dive, &cylinder);
515 get_location(dive, &location);
517 gtk_list_store_set(GTK_LIST_STORE(model), iter,
518 DIVE_NR, dive->number,
519 DIVE_LOCATION, location,
520 DIVE_CYLINDER, cylinder,
521 DIVE_RATING, dive->rating,
527 static gboolean set_one_dive(GtkTreeModel *model,
532 GValue value = {0, };
535 /* Get the dive number */
536 gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
537 dive = get_dive(g_value_get_int(&value));
540 if (data && dive != data)
543 fill_one_dive(dive, model, iter);
547 void flush_divelist(struct dive *dive)
549 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
551 gtk_tree_model_foreach(model, set_one_dive, dive);
554 void set_divelist_font(const char *font)
556 PangoFontDescription *font_desc = pango_font_description_from_string(font);
557 gtk_widget_modify_font(dive_list.tree_view, font_desc);
558 pango_font_description_free(font_desc);
561 void update_dive_list_units(void)
564 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
566 (void) get_depth_units(0, NULL, &unit);
567 gtk_tree_view_column_set_title(dive_list.depth, unit);
569 (void) get_temp_units(0, &unit);
570 gtk_tree_view_column_set_title(dive_list.temperature, unit);
572 gtk_tree_model_foreach(model, set_one_dive, NULL);
575 void update_dive_list_col_visibility(void)
577 gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
578 gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
579 gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
580 gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
581 gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
585 static void fill_dive_list(void)
591 store = GTK_LIST_STORE(dive_list.model);
595 struct dive *dive = dive_table.dives[i];
597 update_cylinder_related_info(dive);
598 gtk_list_store_append(store, &iter);
599 gtk_list_store_set(store, &iter,
601 DIVE_NR, dive->number,
602 DIVE_DATE, dive->when,
603 DIVE_DEPTH, dive->maxdepth,
604 DIVE_DURATION, dive->duration.seconds,
605 DIVE_LOCATION, "location",
606 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
611 update_dive_list_units();
612 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
613 GtkTreeSelection *selection;
614 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
615 gtk_tree_selection_select_iter(selection, &iter);
619 void dive_list_update_dives(void)
621 gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
626 static struct divelist_column {
633 [DIVE_NR] = { "#", NULL, NULL, ALIGN_RIGHT | UNSORTABLE },
634 [DIVE_DATE] = { "Date", date_data_func, NULL, ALIGN_LEFT },
635 [DIVE_RATING] = { UTF8_BLACKSTAR, star_data_func, NULL, ALIGN_LEFT },
636 [DIVE_DEPTH] = { "ft", depth_data_func, NULL, ALIGN_RIGHT },
637 [DIVE_DURATION] = { "min", duration_data_func, NULL, ALIGN_RIGHT },
638 [DIVE_TEMPERATURE] = { UTF8_DEGREE "F", temperature_data_func, NULL, ALIGN_RIGHT, &visible_cols.temperature },
639 [DIVE_CYLINDER] = { "Cyl", NULL, NULL, 0, &visible_cols.cylinder },
640 [DIVE_NITROX] = { "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, nitrox_sort_func, 0, &visible_cols.nitrox },
641 [DIVE_SAC] = { "SAC", sac_data_func, NULL, 0, &visible_cols.sac },
642 [DIVE_OTU] = { "OTU", otu_data_func, NULL, 0, &visible_cols.otu },
643 [DIVE_LOCATION] = { "Location", NULL, NULL, ALIGN_LEFT },
647 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, struct divelist_column *col)
649 int index = col - &dl_column[0];
650 const char *title = col->header;
651 data_func_t data_func = col->data;
652 sort_func_t sort_func = col->sort;
653 unsigned int flags = col->flags;
654 int *visible = col->visible;
655 GtkWidget *tree_view = dl->tree_view;
656 GtkListStore *model = dl->model;
657 GtkTreeViewColumn *ret;
659 if (visible && !*visible)
661 ret = tree_view_column(tree_view, index, title, data_func, flags);
663 gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(model), index, sort_func, NULL, NULL);
668 * This is some crazy crap. The only way to get default focus seems
669 * to be to grab focus as the widget is being shown the first time.
671 static void realize_cb(GtkWidget *tree_view, gpointer userdata)
673 gtk_widget_grab_focus(tree_view);
676 static void row_activated_cb(GtkTreeView *tree_view,
678 GtkTreeViewColumn *column,
684 if (!gtk_tree_model_get_iter(model, &iter, path))
686 gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
687 edit_dive_info(get_dive(index));
690 GtkWidget *dive_list_create(void)
692 GtkTreeSelection *selection;
694 dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
695 G_TYPE_INT, /* index */
697 G_TYPE_INT, /* Date */
698 G_TYPE_INT, /* Star rating */
699 G_TYPE_INT, /* Depth */
700 G_TYPE_INT, /* Duration */
701 G_TYPE_INT, /* Temperature */
702 G_TYPE_STRING, /* Cylinder */
703 G_TYPE_INT, /* Nitrox */
704 G_TYPE_INT, /* SAC */
705 G_TYPE_INT, /* OTU */
706 G_TYPE_STRING /* Location */
708 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
709 set_divelist_font(divelist_font);
711 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
713 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
714 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
716 dive_list.nr = divelist_column(&dive_list, dl_column + DIVE_NR);
717 dive_list.date = divelist_column(&dive_list, dl_column + DIVE_DATE);
718 dive_list.stars = divelist_column(&dive_list, dl_column + DIVE_RATING);
719 dive_list.depth = divelist_column(&dive_list, dl_column + DIVE_DEPTH);
720 dive_list.duration = divelist_column(&dive_list, dl_column + DIVE_DURATION);
721 dive_list.temperature = divelist_column(&dive_list, dl_column + DIVE_TEMPERATURE);
722 dive_list.cylinder = divelist_column(&dive_list, dl_column + DIVE_CYLINDER);
723 dive_list.nitrox = divelist_column(&dive_list, dl_column + DIVE_NITROX);
724 dive_list.sac = divelist_column(&dive_list, dl_column + DIVE_SAC);
725 dive_list.otu = divelist_column(&dive_list, dl_column + DIVE_OTU);
726 dive_list.location = divelist_column(&dive_list, dl_column + DIVE_LOCATION);
730 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
731 "search-column", DIVE_LOCATION,
735 g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
736 g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
737 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
739 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
740 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
741 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
742 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
744 dive_list.changed = 0;
746 return dive_list.container_widget;
749 void mark_divelist_changed(int changed)
751 dive_list.changed = changed;
754 int unsaved_changes()
756 return dive_list.changed;