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 /* magic numbers that indicate (as negative values) model entries that
56 * are summary entries for day / month / year */
62 static gboolean dump_model_entry(GtkTreeModel *model, GtkTreePath *path,
63 GtkTreeIter *iter, gpointer data)
66 int idx, nr, rating, depth;
68 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_NR, &nr, DIVE_RATING, &rating, DIVE_DEPTH, &depth, DIVE_LOCATION, &location, -1);
69 printf("entry #%d : nr %d rating %d depth %d location %s \n", idx, nr, rating, depth, location);
75 static void dump_model(GtkListStore *store)
77 gtk_tree_model_foreach(GTK_TREE_MODEL(store), dump_model_entry, NULL);
81 static GList *selected_dives;
83 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
88 int nr_selected = gtk_tree_selection_count_selected_rows(selection);
91 g_list_foreach (selected_dives, (GFunc) gtk_tree_path_free, NULL);
92 g_list_free (selected_dives);
94 selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
96 switch (nr_selected) {
97 case 0: /* keep showing the last selected dive */
100 /* just pick that dive as selected */
102 path = g_list_nth_data(selected_dives, 0);
103 if (gtk_tree_model_get_iter(model, &iter, path)) {
104 gtk_tree_model_get(model, &iter, DIVE_INDEX, &selected_dive, -1);
105 /* a negative index means we picked a summary entry;
106 expand that entry and use first real child instead */
107 while (selected_dive < 0) {
110 memcpy(&parent, &iter, sizeof(parent));
111 tpath = gtk_tree_model_get_path(model, &parent);
112 if (!gtk_tree_model_iter_children(model, &iter, &parent))
113 /* we should never have a parent without child */
115 if(gtk_tree_view_row_expanded(GTK_TREE_VIEW(dive_list.tree_view), tpath))
116 gtk_tree_view_collapse_row(GTK_TREE_VIEW(dive_list.tree_view), tpath);
118 gtk_tree_view_expand_row(GTK_TREE_VIEW(dive_list.tree_view), tpath, FALSE);
119 gtk_tree_model_get(model, &iter, DIVE_INDEX, &selected_dive, -1);
124 default: /* multiple selections - what now? At this point I
125 * don't want to change the selected dive unless
126 * there is exactly one dive selected; not sure this
127 * is the most intuitive solution.
128 * I do however want to keep around which dives have
130 amount_selected = g_list_length(selected_dives);
131 process_selected_dives(selected_dives, model);
137 const char *star_strings[] = {
146 static void star_data_func(GtkTreeViewColumn *col,
147 GtkCellRenderer *renderer,
155 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_RATING, &nr_stars, -1);
159 if (nr_stars < 0 || nr_stars > 5)
161 snprintf(buffer, sizeof(buffer), "%s", star_strings[nr_stars]);
163 g_object_set(renderer, "text", buffer, NULL);
166 static void date_data_func(GtkTreeViewColumn *col,
167 GtkCellRenderer *renderer,
177 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_DATE, &val, -1);
185 snprintf(buffer, sizeof(buffer),
187 weekday(tm->tm_wday),
188 monthname(tm->tm_mon),
189 tm->tm_mday, tm->tm_year + 1900);
192 snprintf(buffer, sizeof(buffer),
194 monthname(tm->tm_mon),
198 snprintf(buffer, sizeof(buffer),
199 "%d", tm->tm_year + 1900);
202 snprintf(buffer, sizeof(buffer),
203 "%s, %s %d, %d %02d:%02d",
204 weekday(tm->tm_wday),
205 monthname(tm->tm_mon),
206 tm->tm_mday, tm->tm_year + 1900,
207 tm->tm_hour, tm->tm_min);
209 g_object_set(renderer, "text", buffer, NULL);
212 static void depth_data_func(GtkTreeViewColumn *col,
213 GtkCellRenderer *renderer,
218 int depth, integer, frac, len, idx;
221 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_DEPTH, &depth, -1);
226 switch (output_units.length) {
228 /* To tenths of meters */
229 depth = (depth + 49) / 100;
230 integer = depth / 10;
239 integer = mm_to_feet(depth) + 0.5;
245 len = snprintf(buffer, sizeof(buffer), "%d", integer);
247 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
249 g_object_set(renderer, "text", buffer, NULL);
252 static void duration_data_func(GtkTreeViewColumn *col,
253 GtkCellRenderer *renderer,
262 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_DURATION, &sec, -1);
266 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
268 g_object_set(renderer, "text", buffer, NULL);
271 static void temperature_data_func(GtkTreeViewColumn *col,
272 GtkCellRenderer *renderer,
280 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_TEMPERATURE, &value, -1);
283 if (idx >= 0 && value) {
285 switch (output_units.temperature) {
287 deg = mkelvin_to_C(value);
290 deg = mkelvin_to_F(value);
295 snprintf(buffer, sizeof(buffer), "%.1f", deg);
298 g_object_set(renderer, "text", buffer, NULL);
301 static void nr_data_func(GtkTreeViewColumn *col,
302 GtkCellRenderer *renderer,
310 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_NR, &nr, -1);
314 snprintf(buffer, sizeof(buffer), "%d", nr);
315 g_object_set(renderer, "text", buffer, NULL);
319 * Get "maximal" dive gas for a dive.
321 * - Trimix trumps nitrox (highest He wins, O2 breaks ties)
322 * - Nitrox trumps air (even if hypoxic)
323 * These are the same rules as the inter-dive sorting rules.
325 static void get_dive_gas(struct dive *dive, int *o2_p, int *he_p, int *o2low_p)
328 int maxo2 = -1, maxhe = -1, mino2 = 1000;
330 for (i = 0; i < MAX_CYLINDERS; i++) {
331 cylinder_t *cyl = dive->cylinder + i;
332 struct gasmix *mix = &cyl->gasmix;
333 int o2 = mix->o2.permille;
334 int he = mix->he.permille;
336 if (cylinder_none(cyl))
352 /* All air? Show/sort as "air"/zero */
353 if (!maxhe && maxo2 == AIR_PERMILLE && mino2 == maxo2)
360 static gint nitrox_sort_func(GtkTreeModel *model,
365 int index_a, index_b;
369 int a_o2low, b_o2low;
371 gtk_tree_model_get(model, iter_a, DIVE_INDEX, &index_a, -1);
372 gtk_tree_model_get(model, iter_b, DIVE_INDEX, &index_b, -1);
373 a = get_dive(index_a);
374 b = get_dive(index_b);
375 get_dive_gas(a, &a_o2, &a_he, &a_o2low);
376 get_dive_gas(b, &b_o2, &b_he, &b_o2low);
378 /* Sort by Helium first, O2 second */
381 return a_o2low - b_o2low;
387 #define UTF8_ELLIPSIS "\xE2\x80\xA6"
389 static void nitrox_data_func(GtkTreeViewColumn *col,
390 GtkCellRenderer *renderer,
395 int idx, o2, he, o2low;
399 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, -1);
404 dive = get_dive(idx);
405 get_dive_gas(dive, &o2, &he, &o2low);
408 o2low = (o2low + 5) / 10;
411 snprintf(buffer, sizeof(buffer), "%d/%d", o2, he);
414 snprintf(buffer, sizeof(buffer), "%d", o2);
416 snprintf(buffer, sizeof(buffer), "%d" UTF8_ELLIPSIS "%d", o2low, o2);
418 strcpy(buffer, "air");
420 g_object_set(renderer, "text", buffer, NULL);
423 /* Render the SAC data (integer value of "ml / min") */
424 static void sac_data_func(GtkTreeViewColumn *col,
425 GtkCellRenderer *renderer,
435 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_SAC, &value, -1);
437 if (idx < 0 || !value) {
442 sac = value / 1000.0;
443 switch (output_units.volume) {
449 sac = ml_to_cuft(sac * 1000);
452 snprintf(buffer, sizeof(buffer), fmt, sac);
454 g_object_set(renderer, "text", buffer, NULL);
457 /* Render the OTU data (integer value of "OTU") */
458 static void otu_data_func(GtkTreeViewColumn *col,
459 GtkCellRenderer *renderer,
467 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, DIVE_OTU, &value, -1);
469 if (idx < 0 || !value)
472 snprintf(buffer, sizeof(buffer), "%d", value);
474 g_object_set(renderer, "text", buffer, NULL);
477 /* calculate OTU for a dive */
478 static int calculate_otu(struct dive *dive)
483 for (i = 1; i < dive->samples; i++) {
486 struct sample *sample = dive->sample + i;
487 struct sample *psample = sample - 1;
488 t = sample->time.seconds - psample->time.seconds;
489 int o2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille;
492 po2 = o2 / 1000.0 * (sample->depth.mm + 10000) / 10000.0;
494 otu += pow(po2 - 0.5, 0.83) * t / 30.0;
499 * Return air usage (in liters).
501 static double calculate_airuse(struct dive *dive)
506 for (i = 0; i < MAX_CYLINDERS; i++) {
507 pressure_t start, end;
508 cylinder_t *cyl = dive->cylinder + i;
509 int size = cyl->type.size.mliter;
515 start = cyl->start.mbar ? cyl->start : cyl->sample_start;
516 end = cyl->end.mbar ? cyl->end : cyl->sample_end;
517 kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
519 /* Liters of air at 1 atm == milliliters at 1k atm*/
520 airuse += kilo_atm * size;
525 static int calculate_sac(struct dive *dive)
527 double airuse, pressure, sac;
530 airuse = calculate_airuse(dive);
533 if (!dive->duration.seconds)
536 /* find and eliminate long surface intervals */
537 duration = dive->duration.seconds;
538 for (i = 0; i < dive->samples; i++) {
539 if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
541 while (end < dive->samples && dive->sample[end].depth.mm < 100)
543 /* we only want the actual surface time during a dive */
544 if (end < dive->samples) {
546 duration -= dive->sample[end].time.seconds -
547 dive->sample[i].time.seconds;
552 /* Mean pressure in atm: 1 atm per 10m */
553 pressure = 1 + (dive->meandepth.mm / 10000.0);
554 sac = airuse / pressure * 60 / duration;
556 /* milliliters per minute.. */
560 void update_cylinder_related_info(struct dive *dive)
563 dive->sac = calculate_sac(dive);
564 dive->otu = calculate_otu(dive);
568 static void get_string(char **str, const char *s)
584 static void get_location(struct dive *dive, char **str)
586 get_string(str, dive->location);
589 static void get_cylinder(struct dive *dive, char **str)
591 get_string(str, dive->cylinder[0].type.description);
595 * Set up anything that could have changed due to editing
596 * of dive information
598 static void fill_one_dive(struct dive *dive,
602 char *location, *cylinder;
604 get_cylinder(dive, &cylinder);
605 get_location(dive, &location);
607 gtk_tree_store_set(GTK_TREE_STORE(model), iter,
608 DIVE_NR, dive->number,
609 DIVE_LOCATION, location,
610 DIVE_CYLINDER, cylinder,
611 DIVE_RATING, dive->rating,
617 static gboolean set_one_dive(GtkTreeModel *model,
625 /* Get the dive number */
626 gtk_tree_model_get(model, iter, DIVE_INDEX, &idx, -1);
629 dive = get_dive(idx);
632 if (data && dive != data)
635 fill_one_dive(dive, model, iter);
639 void flush_divelist(struct dive *dive)
641 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
643 gtk_tree_model_foreach(model, set_one_dive, dive);
646 void set_divelist_font(const char *font)
648 PangoFontDescription *font_desc = pango_font_description_from_string(font);
649 gtk_widget_modify_font(dive_list.tree_view, font_desc);
650 pango_font_description_free(font_desc);
653 void update_dive_list_units(void)
656 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
658 (void) get_depth_units(0, NULL, &unit);
659 gtk_tree_view_column_set_title(dive_list.depth, unit);
661 (void) get_temp_units(0, &unit);
662 gtk_tree_view_column_set_title(dive_list.temperature, unit);
664 gtk_tree_model_foreach(model, set_one_dive, NULL);
667 void update_dive_list_col_visibility(void)
669 gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
670 gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
671 gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
672 gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
673 gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
677 static int new_date(struct dive *dive, struct dive **last_dive, const int flag, time_t *tm_date)
682 struct dive *ldive = *last_dive;
684 (void) gmtime_r(&dive->when, &tm1);
685 (void) gmtime_r(&ldive->when, &tm2);
686 if (tm1.tm_year == tm2.tm_year &&
687 (tm1.tm_mon == tm2.tm_mon || flag > NEW_MON) &&
688 (tm1.tm_mday == tm2.tm_mday || flag > NEW_DAY))
694 struct tm *tm1 = gmtime(&dive->when);
698 *tm_date = mktime(tm1);
703 static void fill_dive_list(void)
706 GtkTreeIter iter, parent_iter[NEW_YR + 2], *parents[NEW_YR + 2] = {NULL, };
708 struct dive *last_dive = NULL;
711 store = GTK_TREE_STORE(dive_list.model);
715 struct dive *dive = dive_table.dives[i];
717 for (j = NEW_YR; j >= NEW_DAY; j--) {
718 if (new_date(dive, &last_dive, j, &dive_date))
720 gtk_tree_store_append(store, &parent_iter[j], parents[j+1]);
721 parents[j] = &parent_iter[j];
722 gtk_tree_store_set(store, parents[j],
725 DIVE_DATE, dive_date,
732 update_cylinder_related_info(dive);
733 gtk_tree_store_append(store, &iter, parents[NEW_DAY]);
734 gtk_tree_store_set(store, &iter,
736 DIVE_NR, dive->number,
737 DIVE_DATE, dive->when,
738 DIVE_DEPTH, dive->maxdepth,
739 DIVE_DURATION, dive->duration.seconds,
740 DIVE_LOCATION, dive->location,
741 DIVE_RATING, dive->rating,
742 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
747 update_dive_list_units();
748 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
749 GtkTreeSelection *selection;
750 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
751 gtk_tree_selection_select_iter(selection, &iter);
755 void dive_list_update_dives(void)
757 gtk_tree_store_clear(GTK_TREE_STORE(dive_list.model));
762 static struct divelist_column {
769 [DIVE_NR] = { "#", nr_data_func, NULL, ALIGN_RIGHT | UNSORTABLE },
770 [DIVE_DATE] = { "Date", date_data_func, NULL, ALIGN_LEFT },
771 [DIVE_RATING] = { UTF8_BLACKSTAR, star_data_func, NULL, ALIGN_LEFT },
772 [DIVE_DEPTH] = { "ft", depth_data_func, NULL, ALIGN_RIGHT },
773 [DIVE_DURATION] = { "min", duration_data_func, NULL, ALIGN_RIGHT },
774 [DIVE_TEMPERATURE] = { UTF8_DEGREE "F", temperature_data_func, NULL, ALIGN_RIGHT, &visible_cols.temperature },
775 [DIVE_CYLINDER] = { "Cyl", NULL, NULL, 0, &visible_cols.cylinder },
776 [DIVE_NITROX] = { "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, nitrox_sort_func, 0, &visible_cols.nitrox },
777 [DIVE_SAC] = { "SAC", sac_data_func, NULL, 0, &visible_cols.sac },
778 [DIVE_OTU] = { "OTU", otu_data_func, NULL, 0, &visible_cols.otu },
779 [DIVE_LOCATION] = { "Location", NULL, NULL, ALIGN_LEFT },
783 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, struct divelist_column *col)
785 int index = col - &dl_column[0];
786 const char *title = col->header;
787 data_func_t data_func = col->data;
788 sort_func_t sort_func = col->sort;
789 unsigned int flags = col->flags;
790 int *visible = col->visible;
791 GtkWidget *tree_view = dl->tree_view;
792 GtkTreeStore *model = dl->model;
793 GtkTreeViewColumn *ret;
795 if (visible && !*visible)
797 ret = tree_view_column(tree_view, index, title, data_func, flags);
799 gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(model), index, sort_func, NULL, NULL);
804 * This is some crazy crap. The only way to get default focus seems
805 * to be to grab focus as the widget is being shown the first time.
807 static void realize_cb(GtkWidget *tree_view, gpointer userdata)
809 gtk_widget_grab_focus(tree_view);
812 static void row_activated_cb(GtkTreeView *tree_view,
814 GtkTreeViewColumn *column,
820 if (!gtk_tree_model_get_iter(model, &iter, path))
822 gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
823 /* a negative index is special for the "group by date" entries */
825 edit_dive_info(get_dive(index));
828 void add_dive_cb(GtkWidget *menuitem, gpointer data)
833 if (add_new_dive(dive)) {
841 static void popup_divelist_menu(GtkTreeView *tree_view, GtkTreeModel *model, int button)
843 GtkWidget *menu, *menuitem;
845 menu = gtk_menu_new();
846 menuitem = gtk_menu_item_new_with_label("Add dive");
847 g_signal_connect(menuitem, "activate", G_CALLBACK(add_dive_cb), model);
848 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
849 gtk_widget_show_all(menu);
851 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
852 button, gtk_get_current_event_time());
855 static void popup_menu_cb(GtkTreeView *tree_view,
858 popup_divelist_menu(tree_view, model, 0);
861 static gboolean button_press_cb(GtkWidget *treeview, GdkEventButton *event, GtkTreeModel *model)
863 /* Right-click? Bring up the menu */
864 if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
865 popup_divelist_menu(GTK_TREE_VIEW(treeview), model, 3);
871 GtkWidget *dive_list_create(void)
873 GtkTreeSelection *selection;
875 dive_list.model = gtk_tree_store_new(DIVELIST_COLUMNS,
876 G_TYPE_INT, /* index */
878 G_TYPE_INT, /* Date */
879 G_TYPE_INT, /* Star rating */
880 G_TYPE_INT, /* Depth */
881 G_TYPE_INT, /* Duration */
882 G_TYPE_INT, /* Temperature */
883 G_TYPE_STRING, /* Cylinder */
884 G_TYPE_INT, /* Nitrox */
885 G_TYPE_INT, /* SAC */
886 G_TYPE_INT, /* OTU */
887 G_TYPE_STRING /* Location */
889 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
890 set_divelist_font(divelist_font);
892 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
894 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
895 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
897 dive_list.nr = divelist_column(&dive_list, dl_column + DIVE_NR);
898 dive_list.date = divelist_column(&dive_list, dl_column + DIVE_DATE);
899 dive_list.stars = divelist_column(&dive_list, dl_column + DIVE_RATING);
900 dive_list.depth = divelist_column(&dive_list, dl_column + DIVE_DEPTH);
901 dive_list.duration = divelist_column(&dive_list, dl_column + DIVE_DURATION);
902 dive_list.temperature = divelist_column(&dive_list, dl_column + DIVE_TEMPERATURE);
903 dive_list.cylinder = divelist_column(&dive_list, dl_column + DIVE_CYLINDER);
904 dive_list.nitrox = divelist_column(&dive_list, dl_column + DIVE_NITROX);
905 dive_list.sac = divelist_column(&dive_list, dl_column + DIVE_SAC);
906 dive_list.otu = divelist_column(&dive_list, dl_column + DIVE_OTU);
907 dive_list.location = divelist_column(&dive_list, dl_column + DIVE_LOCATION);
911 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
912 "search-column", DIVE_LOCATION,
916 g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
917 g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
918 g_signal_connect(dive_list.tree_view, "button-press-event", G_CALLBACK(button_press_cb), dive_list.model);
919 g_signal_connect(dive_list.tree_view, "popup-menu", G_CALLBACK(popup_menu_cb), dive_list.model);
920 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
922 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
923 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
924 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
925 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
927 dive_list.changed = 0;
929 return dive_list.container_widget;
932 void mark_divelist_changed(int changed)
934 dive_list.changed = changed;
937 int unsaved_changes()
939 return dive_list.changed;