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: in permille */
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;
167 integer = mm_to_feet(depth) + 0.5;
173 len = snprintf(buffer, sizeof(buffer), "%d", integer);
175 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
177 g_object_set(renderer, "text", buffer, NULL);
180 static void duration_data_func(GtkTreeViewColumn *col,
181 GtkCellRenderer *renderer,
189 gtk_tree_model_get(model, iter, DIVE_DURATION, &sec, -1);
190 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
192 g_object_set(renderer, "text", buffer, NULL);
195 static void temperature_data_func(GtkTreeViewColumn *col,
196 GtkCellRenderer *renderer,
204 gtk_tree_model_get(model, iter, DIVE_TEMPERATURE, &value, -1);
209 switch (output_units.temperature) {
211 deg = mkelvin_to_C(value);
214 deg = mkelvin_to_F(value);
219 snprintf(buffer, sizeof(buffer), "%.1f", deg);
222 g_object_set(renderer, "text", buffer, NULL);
225 static void nitrox_data_func(GtkTreeViewColumn *col,
226 GtkCellRenderer *renderer,
234 gtk_tree_model_get(model, iter, DIVE_NITROX, &value, -1);
237 snprintf(buffer, sizeof(buffer), "%.1f", value/10.0);
239 strcpy(buffer, "air");
241 g_object_set(renderer, "text", buffer, NULL);
244 /* Render the SAC data (integer value of "ml / min") */
245 static void sac_data_func(GtkTreeViewColumn *col,
246 GtkCellRenderer *renderer,
256 gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
259 g_object_set(renderer, "text", "", NULL);
263 sac = value / 1000.0;
264 switch (output_units.volume) {
270 sac = ml_to_cuft(sac * 1000);
273 snprintf(buffer, sizeof(buffer), fmt, sac);
275 g_object_set(renderer, "text", buffer, NULL);
278 /* Render the OTU data (integer value of "OTU") */
279 static void otu_data_func(GtkTreeViewColumn *col,
280 GtkCellRenderer *renderer,
288 gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
291 g_object_set(renderer, "text", "", NULL);
295 snprintf(buffer, sizeof(buffer), "%d", value);
297 g_object_set(renderer, "text", buffer, NULL);
300 /* calculate OTU for a dive */
301 static int calculate_otu(struct dive *dive)
306 for (i = 1; i < dive->samples; i++) {
309 struct sample *sample = dive->sample + i;
310 struct sample *psample = sample - 1;
311 t = sample->time.seconds - psample->time.seconds;
312 po2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille / 1000.0 *
313 (sample->depth.mm + 10000) / 10000.0;
315 otu += pow(po2 - 0.5, 0.83) * t / 30.0;
320 * Return air usage (in liters).
322 static double calculate_airuse(struct dive *dive)
327 for (i = 0; i < MAX_CYLINDERS; i++) {
328 pressure_t start, end;
329 cylinder_t *cyl = dive->cylinder + i;
330 int size = cyl->type.size.mliter;
336 start = cyl->start.mbar ? cyl->start : cyl->sample_start;
337 end = cyl->end.mbar ? cyl->end : cyl->sample_end;
338 kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
340 /* Liters of air at 1 atm == milliliters at 1k atm*/
341 airuse += kilo_atm * size;
346 static int calculate_sac(struct dive *dive)
348 double airuse, pressure, sac;
351 airuse = calculate_airuse(dive);
354 if (!dive->duration.seconds)
357 /* find and eliminate long surface intervals */
358 duration = dive->duration.seconds;
359 for (i = 0; i < dive->samples; i++) {
360 if (dive->sample[i].depth.mm < 100) { /* less than 10cm */
362 while (end < dive->samples && dive->sample[end].depth.mm < 100)
364 /* we only want the actual surface time during a dive */
365 if (end < dive->samples) {
367 duration -= dive->sample[end].time.seconds -
368 dive->sample[i].time.seconds;
373 /* Mean pressure in atm: 1 atm per 10m */
374 pressure = 1 + (dive->meandepth.mm / 10000.0);
375 sac = airuse / pressure * 60 / duration;
377 /* milliliters per minute.. */
381 void update_cylinder_related_info(struct dive *dive)
384 dive->sac = calculate_sac(dive);
385 dive->otu = calculate_otu(dive);
389 static void get_string(char **str, const char *s)
405 static void get_location(struct dive *dive, char **str)
407 get_string(str, dive->location);
410 static void get_cylinder(struct dive *dive, char **str)
412 get_string(str, dive->cylinder[0].type.description);
415 static void fill_one_dive(struct dive *dive,
419 char *location, *cylinder;
421 get_cylinder(dive, &cylinder);
422 get_location(dive, &location);
425 * We only set the fields that changed: the strings.
426 * The core data itself is unaffected by units
428 gtk_list_store_set(GTK_LIST_STORE(model), iter,
429 DIVE_NR, dive->number,
430 DIVE_LOCATION, location,
431 DIVE_CYLINDER, cylinder,
432 DIVE_RATING, dive->rating,
438 static gboolean set_one_dive(GtkTreeModel *model,
443 GValue value = {0, };
446 /* Get the dive number */
447 gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
448 dive = get_dive(g_value_get_int(&value));
451 if (data && dive != data)
454 fill_one_dive(dive, model, iter);
458 void flush_divelist(struct dive *dive)
460 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
462 gtk_tree_model_foreach(model, set_one_dive, dive);
465 void set_divelist_font(const char *font)
467 PangoFontDescription *font_desc = pango_font_description_from_string(font);
468 gtk_widget_modify_font(dive_list.tree_view, font_desc);
469 pango_font_description_free(font_desc);
472 void update_dive_list_units(void)
475 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
477 (void) get_depth_units(0, NULL, &unit);
478 gtk_tree_view_column_set_title(dive_list.depth, unit);
480 (void) get_temp_units(0, &unit);
481 gtk_tree_view_column_set_title(dive_list.temperature, unit);
483 gtk_tree_model_foreach(model, set_one_dive, NULL);
486 void update_dive_list_col_visibility(void)
488 gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
489 gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
490 gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
491 gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
492 gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
496 static void fill_dive_list(void)
502 store = GTK_LIST_STORE(dive_list.model);
506 struct dive *dive = dive_table.dives[i];
508 update_cylinder_related_info(dive);
509 gtk_list_store_append(store, &iter);
510 gtk_list_store_set(store, &iter,
512 DIVE_NR, dive->number,
513 DIVE_DATE, dive->when,
514 DIVE_DEPTH, dive->maxdepth,
515 DIVE_DURATION, dive->duration.seconds,
516 DIVE_LOCATION, "location",
517 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
518 DIVE_NITROX, dive->cylinder[0].gasmix.o2,
523 update_dive_list_units();
524 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
525 GtkTreeSelection *selection;
526 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
527 gtk_tree_selection_select_iter(selection, &iter);
531 void dive_list_update_dives(void)
533 gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
538 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, int index, const char *title,
539 data_func_t data_func, PangoAlignment align, gboolean visible)
541 return tree_view_column(dl->tree_view, index, title, data_func, align, visible);
545 * This is some crazy crap. The only way to get default focus seems
546 * to be to grab focus as the widget is being shown the first time.
548 static void realize_cb(GtkWidget *tree_view, gpointer userdata)
550 gtk_widget_grab_focus(tree_view);
553 static void row_activated_cb(GtkTreeView *tree_view,
555 GtkTreeViewColumn *column,
561 if (!gtk_tree_model_get_iter(model, &iter, path))
563 gtk_tree_model_get(model, &iter, DIVE_INDEX, &index, -1);
564 edit_dive_info(get_dive(index));
567 GtkWidget *dive_list_create(void)
569 GtkTreeSelection *selection;
571 dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
572 G_TYPE_INT, /* index */
574 G_TYPE_INT, /* Date */
575 G_TYPE_INT, /* Star rating */
576 G_TYPE_INT, /* Depth */
577 G_TYPE_INT, /* Duration */
578 G_TYPE_INT, /* Temperature */
579 G_TYPE_STRING, /* Cylinder */
580 G_TYPE_INT, /* Nitrox */
581 G_TYPE_INT, /* SAC */
582 G_TYPE_INT, /* OTU */
583 G_TYPE_STRING /* Location */
585 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
586 set_divelist_font(divelist_font);
588 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
590 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
591 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
593 dive_list.nr = divelist_column(&dive_list, DIVE_NR, "#", NULL, PANGO_ALIGN_RIGHT, TRUE);
594 gtk_tree_view_column_set_sort_column_id(dive_list.nr, -1);
595 dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, PANGO_ALIGN_LEFT, TRUE);
596 dive_list.stars = divelist_column(&dive_list, DIVE_RATING, UTF8_BLACKSTAR, star_data_func, PANGO_ALIGN_LEFT, TRUE);
597 dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "ft", depth_data_func, PANGO_ALIGN_RIGHT, TRUE);
598 dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, PANGO_ALIGN_RIGHT, TRUE);
599 dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, UTF8_DEGREE "F", temperature_data_func, PANGO_ALIGN_RIGHT, visible_cols.temperature);
600 dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, PANGO_ALIGN_CENTER, visible_cols.cylinder);
601 dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, PANGO_ALIGN_CENTER, visible_cols.nitrox);
602 dive_list.sac = divelist_column(&dive_list, DIVE_SAC, "SAC", sac_data_func, PANGO_ALIGN_CENTER, visible_cols.sac);
603 dive_list.otu = divelist_column(&dive_list, DIVE_OTU, "OTU", otu_data_func, PANGO_ALIGN_CENTER, visible_cols.otu);
604 dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, PANGO_ALIGN_LEFT, TRUE);
608 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
609 "search-column", DIVE_LOCATION,
613 g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
614 g_signal_connect(dive_list.tree_view, "row-activated", G_CALLBACK(row_activated_cb), dive_list.model);
615 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
617 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
618 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
619 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
620 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
622 dive_list.changed = 0;
624 return dive_list.container_widget;
627 void mark_divelist_changed(int changed)
629 dive_list.changed = changed;
632 int unsaved_changes()
634 return dive_list.changed;