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, *totalweight, *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 */
47 DIVE_TOTALWEIGHT, /* int: in grams */
49 DIVE_NITROX, /* int: dummy */
50 DIVE_SAC, /* int: in ml/min */
51 DIVE_OTU, /* int: in OTUs */
52 DIVE_LOCATION, /* "2nd Cathedral, Lanai" */
56 static GList *selected_dives;
58 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
64 int nr_selected = gtk_tree_selection_count_selected_rows(selection);
67 g_list_foreach (selected_dives, (GFunc) gtk_tree_path_free, NULL);
68 g_list_free (selected_dives);
70 selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
72 switch (nr_selected) {
73 case 0: /* keep showing the last selected dive */
76 /* just pick that dive as selected */
78 path = g_list_nth_data(selected_dives, 0);
79 if (gtk_tree_model_get_iter(model, &iter, path)) {
80 gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
81 selected_dive = g_value_get_int(&value);
85 default: /* multiple selections - what now? At this point I
86 * don't want to change the selected dive unless
87 * there is exactly one dive selected; not sure this
88 * is the most intuitive solution.
89 * I do however want to keep around which dives have
91 amount_selected = g_list_length(selected_dives);
92 process_selected_dives(selected_dives, model);
98 const char *star_strings[] = {
107 static void star_data_func(GtkTreeViewColumn *col,
108 GtkCellRenderer *renderer,
116 gtk_tree_model_get(model, iter, DIVE_RATING, &nr_stars, -1);
117 if (nr_stars < 0 || nr_stars > 5)
119 snprintf(buffer, sizeof(buffer), "%s", star_strings[nr_stars]);
120 g_object_set(renderer, "text", buffer, NULL);
123 static void date_data_func(GtkTreeViewColumn *col,
124 GtkCellRenderer *renderer,
134 gtk_tree_model_get(model, iter, DIVE_DATE, &val, -1);
140 snprintf(buffer, sizeof(buffer),
141 "%s, %s %d, %d %02d:%02d",
142 weekday(tm->tm_wday),
143 monthname(tm->tm_mon),
144 tm->tm_mday, tm->tm_year + 1900,
145 tm->tm_hour, tm->tm_min);
146 g_object_set(renderer, "text", buffer, NULL);
149 static void depth_data_func(GtkTreeViewColumn *col,
150 GtkCellRenderer *renderer,
155 int depth, integer, frac, len;
158 gtk_tree_model_get(model, iter, DIVE_DEPTH, &depth, -1);
160 switch (output_units.length) {
162 /* To tenths of meters */
163 depth = (depth + 49) / 100;
164 integer = depth / 10;
173 integer = mm_to_feet(depth) + 0.5;
179 len = snprintf(buffer, sizeof(buffer), "%d", integer);
181 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
183 g_object_set(renderer, "text", buffer, NULL);
186 static void duration_data_func(GtkTreeViewColumn *col,
187 GtkCellRenderer *renderer,
195 gtk_tree_model_get(model, iter, DIVE_DURATION, &sec, -1);
196 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
198 g_object_set(renderer, "text", buffer, NULL);
201 static void temperature_data_func(GtkTreeViewColumn *col,
202 GtkCellRenderer *renderer,
210 gtk_tree_model_get(model, iter, DIVE_TEMPERATURE, &value, -1);
215 switch (output_units.temperature) {
217 deg = mkelvin_to_C(value);
220 deg = mkelvin_to_F(value);
225 snprintf(buffer, sizeof(buffer), "%.1f", deg);
228 g_object_set(renderer, "text", buffer, NULL);
232 * Get "maximal" dive gas for a dive.
234 * - Trimix trumps nitrox (highest He wins, O2 breaks ties)
235 * - Nitrox trumps air (even if hypoxic)
236 * These are the same rules as the inter-dive sorting rules.
238 static void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p)
241 int maxo2 = -1, maxhe = -1, mino2 = 1000;
243 for (i = 0; i < MAX_CYLINDERS; i++) {
244 cylinder_t *cyl = dive->cylinder + i;
245 struct gasmix *mix = &cyl->gasmix;
246 int o2 = mix->o2.permille;
247 int he = mix->he.permille;
249 if (cylinder_none(cyl))
265 /* All air? Show/sort as "air"/zero */
266 if (!maxhe && maxo2 == AIR_PERMILLE && mino2 == maxo2)
273 static int total_weight(struct dive *dive)
275 int i, total_grams = 0;
278 for (i=0; i< MAX_WEIGHTSYSTEMS; i++)
279 total_grams += dive->weightsystem[i].weight.grams;
283 static void weight_data_func(GtkTreeViewColumn *col,
284 GtkCellRenderer *renderer,
294 gtk_tree_model_get(model, iter, DIVE_INDEX, &indx, -1);
295 dive = get_dive(indx);
296 value = get_weight_units(total_weight(dive), &decimals, NULL);
300 snprintf(buffer, sizeof(buffer), "%.*f", decimals, value);
302 g_object_set(renderer, "text", buffer, NULL);
305 static gint nitrox_sort_func(GtkTreeModel *model,
310 int index_a, index_b;
314 int a_o2low, b_o2low;
316 gtk_tree_model_get(model, iter_a, DIVE_INDEX, &index_a, -1);
317 gtk_tree_model_get(model, iter_b, DIVE_INDEX, &index_b, -1);
318 a = get_dive(index_a);
319 b = get_dive(index_b);
320 get_dive_gas(a, &a_o2, &a_he, &a_o2low);
321 get_dive_gas(b, &b_o2, &b_he, &b_o2low);
323 /* Sort by Helium first, O2 second */
326 return a_o2low - b_o2low;
332 #define UTF8_ELLIPSIS "\xE2\x80\xA6"
334 static void nitrox_data_func(GtkTreeViewColumn *col,
335 GtkCellRenderer *renderer,
340 int index, o2, he, o2low;
344 gtk_tree_model_get(model, iter, DIVE_INDEX, &index, -1);
345 dive = get_dive(index);
346 get_dive_gas(dive, &o2, &he, &o2low);
349 o2low = (o2low + 5) / 10;
352 snprintf(buffer, sizeof(buffer), "%d/%d", o2, he);
355 snprintf(buffer, sizeof(buffer), "%d", o2);
357 snprintf(buffer, sizeof(buffer), "%d" UTF8_ELLIPSIS "%d", o2low, o2);
359 strcpy(buffer, "air");
361 g_object_set(renderer, "text", buffer, NULL);
364 /* Render the SAC data (integer value of "ml / min") */
365 static void sac_data_func(GtkTreeViewColumn *col,
366 GtkCellRenderer *renderer,
376 gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
379 g_object_set(renderer, "text", "", NULL);
383 sac = value / 1000.0;
384 switch (output_units.volume) {
390 sac = ml_to_cuft(sac * 1000);
393 snprintf(buffer, sizeof(buffer), fmt, sac);
395 g_object_set(renderer, "text", buffer, NULL);
398 /* Render the OTU data (integer value of "OTU") */
399 static void otu_data_func(GtkTreeViewColumn *col,
400 GtkCellRenderer *renderer,
408 gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
411 g_object_set(renderer, "text", "", NULL);
415 snprintf(buffer, sizeof(buffer), "%d", value);
417 g_object_set(renderer, "text", buffer, NULL);
420 /* calculate OTU for a dive */
421 static int calculate_otu(struct dive *dive)
426 for (i = 1; i < dive->samples; i++) {
429 struct sample *sample = dive->sample + i;
430 struct sample *psample = sample - 1;
431 t = sample->time.seconds - psample->time.seconds;
432 int o2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille;
435 po2 = o2 / 1000.0 * (sample->depth.mm + 10000) / 10000.0;
437 otu += pow(po2 - 0.5, 0.83) * t / 30.0;
442 * Return air usage (in liters).
444 static double calculate_airuse(struct dive *dive)
449 for (i = 0; i < MAX_CYLINDERS; i++) {
450 pressure_t start, end;
451 cylinder_t *cyl = dive->cylinder + i;
452 int size = cyl->type.size.mliter;
458 start = cyl->start.mbar ? cyl->start : cyl->sample_start;
459 end = cyl->end.mbar ? cyl->end : cyl->sample_end;
460 kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
462 /* Liters of air at 1 atm == milliliters at 1k atm*/
463 airuse += kilo_atm * size;
468 static int calculate_sac(struct dive *dive)
470 double airuse, pressure, sac;
473 airuse = calculate_airuse(dive);
476 if (!dive->duration.seconds)
479 /* find and eliminate long surface intervals */
480 duration = dive->duration.seconds;
481 for (i = 0; i < dive->samples; i++) {
482 if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
484 while (end < dive->samples && dive->sample[end].depth.mm < 100)
486 /* we only want the actual surface time during a dive */
487 if (end < dive->samples) {
489 duration -= dive->sample[end].time.seconds -
490 dive->sample[i].time.seconds;
495 /* Mean pressure in atm: 1 atm per 10m */
496 pressure = 1 + (dive->meandepth.mm / 10000.0);
497 sac = airuse / pressure * 60 / duration;
499 /* milliliters per minute.. */
503 void update_cylinder_related_info(struct dive *dive)
506 dive->sac = calculate_sac(dive);
507 dive->otu = calculate_otu(dive);
511 static void get_string(char **str, const char *s)
527 static void get_location(struct dive *dive, char **str)
529 get_string(str, dive->location);
532 static void get_cylinder(struct dive *dive, char **str)
534 get_string(str, dive->cylinder[0].type.description);
538 * Set up anything that could have changed due to editing
539 * of dive information
541 static void fill_one_dive(struct dive *dive,
545 char *location, *cylinder;
547 get_cylinder(dive, &cylinder);
548 get_location(dive, &location);
550 gtk_list_store_set(GTK_LIST_STORE(model), iter,
551 DIVE_NR, dive->number,
552 DIVE_LOCATION, location,
553 DIVE_CYLINDER, cylinder,
554 DIVE_RATING, dive->rating,
557 DIVE_TOTALWEIGHT, total_weight(dive),
564 static gboolean set_one_dive(GtkTreeModel *model,
569 GValue value = {0, };
572 /* Get the dive number */
573 gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
574 dive = get_dive(g_value_get_int(&value));
577 if (data && dive != data)
580 fill_one_dive(dive, model, iter);
584 void flush_divelist(struct dive *dive)
586 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
588 gtk_tree_model_foreach(model, set_one_dive, dive);
591 void set_divelist_font(const char *font)
593 PangoFontDescription *font_desc = pango_font_description_from_string(font);
594 gtk_widget_modify_font(dive_list.tree_view, font_desc);
595 pango_font_description_free(font_desc);
598 void update_dive_list_units(void)
601 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
603 (void) get_depth_units(0, NULL, &unit);
604 gtk_tree_view_column_set_title(dive_list.depth, unit);
606 (void) get_temp_units(0, &unit);
607 gtk_tree_view_column_set_title(dive_list.temperature, unit);
609 (void) get_weight_units(0, NULL, &unit);
610 gtk_tree_view_column_set_title(dive_list.totalweight, unit);
612 gtk_tree_model_foreach(model, set_one_dive, NULL);
615 void update_dive_list_col_visibility(void)
617 gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
618 gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
619 gtk_tree_view_column_set_visible(dive_list.totalweight, visible_cols.totalweight);
620 gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
621 gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
622 gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
626 static void fill_dive_list(void)
632 store = GTK_LIST_STORE(dive_list.model);
636 struct dive *dive = dive_table.dives[i];
638 update_cylinder_related_info(dive);
639 gtk_list_store_append(store, &iter);
640 gtk_list_store_set(store, &iter,
642 DIVE_NR, dive->number,
643 DIVE_DATE, dive->when,
644 DIVE_DEPTH, dive->maxdepth,
645 DIVE_DURATION, dive->duration.seconds,
646 DIVE_LOCATION, "location",
647 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
653 update_dive_list_units();
654 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
655 GtkTreeSelection *selection;
656 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
657 gtk_tree_selection_select_iter(selection, &iter);
661 void dive_list_update_dives(void)
663 gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
668 static struct divelist_column {
675 [DIVE_NR] = { "#", NULL, NULL, ALIGN_RIGHT | UNSORTABLE },
676 [DIVE_DATE] = { "Date", date_data_func, NULL, ALIGN_LEFT },
677 [DIVE_RATING] = { UTF8_BLACKSTAR, star_data_func, NULL, ALIGN_LEFT },
678 [DIVE_DEPTH] = { "ft", depth_data_func, NULL, ALIGN_RIGHT },
679 [DIVE_DURATION] = { "min", duration_data_func, NULL, ALIGN_RIGHT },
680 [DIVE_TEMPERATURE] = { UTF8_DEGREE "F", temperature_data_func, NULL, ALIGN_RIGHT, &visible_cols.temperature },
681 [DIVE_TOTALWEIGHT] = { "lbs", weight_data_func, NULL, ALIGN_RIGHT, &visible_cols.totalweight },
682 [DIVE_CYLINDER] = { "Cyl", NULL, NULL, 0, &visible_cols.cylinder },
683 [DIVE_NITROX] = { "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, nitrox_sort_func, 0, &visible_cols.nitrox },
684 [DIVE_SAC] = { "SAC", sac_data_func, NULL, 0, &visible_cols.sac },
685 [DIVE_OTU] = { "OTU", otu_data_func, NULL, 0, &visible_cols.otu },
686 [DIVE_LOCATION] = { "Location", NULL, NULL, ALIGN_LEFT },
690 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, struct divelist_column *col)
692 int index = col - &dl_column[0];
693 const char *title = col->header;
694 data_func_t data_func = col->data;
695 sort_func_t sort_func = col->sort;
696 unsigned int flags = col->flags;
697 int *visible = col->visible;
698 GtkWidget *tree_view = dl->tree_view;
699 GtkListStore *model = dl->model;
700 GtkTreeViewColumn *ret;
702 if (visible && !*visible)
704 ret = tree_view_column(tree_view, index, title, data_func, flags);
706 gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(model), index, sort_func, NULL, NULL);
711 * This is some crazy crap. The only way to get default focus seems
712 * to be to grab focus as the widget is being shown the first time.
714 static void realize_cb(GtkWidget *tree_view, gpointer userdata)
716 gtk_widget_grab_focus(tree_view);
719 static void row_activated_cb(GtkTreeView *tree_view,
721 GtkTreeViewColumn *column,
727 if (!gtk_tree_model_get_iter(model, &iter, path))
729 gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
730 edit_dive_info(get_dive(index));
733 void add_dive_cb(GtkWidget *menuitem, gpointer data)
738 if (add_new_dive(dive)) {
746 static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int button)
748 GtkWidget *menu, *menuitem;
750 menu = gtk_menu_new();
751 menuitem = gtk_menu_item_new_with_label("Add dive");
752 g_signal_connect(menuitem, "activate", G_CALLBACK(add_dive_cb), model);
753 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
754 gtk_widget_show_all(menu);
756 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
757 button, gtk_get_current_event_time());
760 static void popup_menu_cb(GtkTreeView *tree_view,
763 popup_divelist_menu(tree_view, model, 0);
766 static gboolean button_press_cb(GtkWidget *treeview, GdkEventButton *event, GtkTreeModel *model)
768 /* Right-click? Bring up the menu */
769 if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
770 popup_divelist_menu(GTK_TREE_VIEW(treeview), model, 3);
776 GtkWidget *dive_list_create(void)
778 GtkTreeSelection *selection;
780 dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
781 G_TYPE_INT, /* index */
783 G_TYPE_INT, /* Date */
784 G_TYPE_INT, /* Star rating */
785 G_TYPE_INT, /* Depth */
786 G_TYPE_INT, /* Duration */
787 G_TYPE_INT, /* Temperature */
788 G_TYPE_INT, /* Total weight */
789 G_TYPE_STRING, /* Cylinder */
790 G_TYPE_INT, /* Nitrox */
791 G_TYPE_INT, /* SAC */
792 G_TYPE_INT, /* OTU */
793 G_TYPE_STRING /* Location */
795 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
796 set_divelist_font(divelist_font);
798 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
800 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
801 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
803 dive_list.nr = divelist_column(&dive_list, dl_column + DIVE_NR);
804 dive_list.date = divelist_column(&dive_list, dl_column + DIVE_DATE);
805 dive_list.stars = divelist_column(&dive_list, dl_column + DIVE_RATING);
806 dive_list.depth = divelist_column(&dive_list, dl_column + DIVE_DEPTH);
807 dive_list.duration = divelist_column(&dive_list, dl_column + DIVE_DURATION);
808 dive_list.temperature = divelist_column(&dive_list, dl_column + DIVE_TEMPERATURE);
809 dive_list.totalweight = divelist_column(&dive_list, dl_column + DIVE_TOTALWEIGHT);
810 dive_list.cylinder = divelist_column(&dive_list, dl_column + DIVE_CYLINDER);
811 dive_list.nitrox = divelist_column(&dive_list, dl_column + DIVE_NITROX);
812 dive_list.sac = divelist_column(&dive_list, dl_column + DIVE_SAC);
813 dive_list.otu = divelist_column(&dive_list, dl_column + DIVE_OTU);
814 dive_list.location = divelist_column(&dive_list, dl_column + DIVE_LOCATION);
818 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
819 "search-column", DIVE_LOCATION,
823 g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
824 g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
825 g_signal_connect(dive_list.tree_view, "button-press-event", G_CALLBACK(button_press_cb), dive_list.model);
826 g_signal_connect(dive_list.tree_view, "popup-menu", G_CALLBACK(popup_menu_cb), dive_list.model);
827 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
829 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
830 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
831 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
832 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
834 dive_list.changed = 0;
836 return dive_list.container_widget;
839 void mark_divelist_changed(int changed)
841 dive_list.changed = changed;
844 int unsaved_changes()
846 return dive_list.changed;