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)
19 #include "display-gtk.h"
23 GtkWidget *container_widget;
25 GtkTreeViewColumn *date, *depth, *duration, *location;
26 GtkTreeViewColumn *temperature, *cylinder, *nitrox, *sac;
29 static struct DiveList dive_list;
32 * The dive list has the dive data in both string format (for showing)
33 * and in "raw" format (for sorting purposes)
37 DIVE_DATE, /* time_t: dive->when */
38 DIVE_DEPTH, /* int: dive->maxdepth in mm */
39 DIVE_DURATION, /* int: in seconds */
40 DIVE_LOCATION, /* "2nd Cathedral, Lanai" */
41 DIVE_TEMPERATURE, /* int: in mkelvin */
43 DIVE_NITROX, /* int: in permille */
44 DIVE_SAC, /* int: in ml/min */
48 /* the global dive list that we maintain */
49 static struct DiveList dive_list;
51 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
56 if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
59 gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
60 selected_dive = g_value_get_int(&value);
64 static void date_data_func(GtkTreeViewColumn *col,
65 GtkCellRenderer *renderer,
75 gtk_tree_model_get(model, iter, DIVE_DATE, &val, -1);
81 snprintf(buffer, sizeof(buffer),
82 "%s, %s %d, %d %02d:%02d",
84 monthname(tm->tm_mon),
85 tm->tm_mday, tm->tm_year + 1900,
86 tm->tm_hour, tm->tm_min);
87 g_object_set(renderer, "text", buffer, NULL);
90 static void depth_data_func(GtkTreeViewColumn *col,
91 GtkCellRenderer *renderer,
96 int depth, integer, frac, len;
99 gtk_tree_model_get(model, iter, DIVE_DEPTH, &depth, -1);
101 switch (output_units.length) {
103 /* To tenths of meters */
104 depth = (depth + 49) / 100;
105 integer = depth / 10;
113 integer = mm_to_feet(depth) + 0.5;
119 len = snprintf(buffer, sizeof(buffer), "%d", integer);
121 len += snprintf(buffer+len, sizeof(buffer)-len, ".%d", frac);
123 g_object_set(renderer, "text", buffer, NULL);
126 static void duration_data_func(GtkTreeViewColumn *col,
127 GtkCellRenderer *renderer,
135 gtk_tree_model_get(model, iter, DIVE_DURATION, &sec, -1);
136 snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
138 g_object_set(renderer, "text", buffer, NULL);
141 static void temperature_data_func(GtkTreeViewColumn *col,
142 GtkCellRenderer *renderer,
150 gtk_tree_model_get(model, iter, DIVE_TEMPERATURE, &value, -1);
155 switch (output_units.temperature) {
157 deg = mkelvin_to_C(value);
160 deg = mkelvin_to_F(value);
165 snprintf(buffer, sizeof(buffer), "%.1f", deg);
168 g_object_set(renderer, "text", buffer, NULL);
171 static void nitrox_data_func(GtkTreeViewColumn *col,
172 GtkCellRenderer *renderer,
180 gtk_tree_model_get(model, iter, DIVE_NITROX, &value, -1);
183 snprintf(buffer, sizeof(buffer), "%.1f", value/10.0);
185 strcpy(buffer, "air");
187 g_object_set(renderer, "text", buffer, NULL);
190 /* Render the SAC data (integer value of "ml / min") */
191 static void sac_data_func(GtkTreeViewColumn *col,
192 GtkCellRenderer *renderer,
198 const double liters_per_cuft = 28.317;
203 gtk_tree_model_get(model, iter, DIVE_SAC, &value, -1);
206 g_object_set(renderer, "text", "", NULL);
210 sac = value / 1000.0;
211 switch (output_units.volume) {
217 sac /= liters_per_cuft;
220 snprintf(buffer, sizeof(buffer), fmt, sac);
222 g_object_set(renderer, "text", buffer, NULL);
226 * Return air usage (in liters).
228 static double calculate_airuse(struct dive *dive)
233 for (i = 0; i < MAX_CYLINDERS; i++) {
234 cylinder_t *cyl = dive->cylinder + i;
235 int size = cyl->type.size.mliter;
241 kilo_atm = (cyl->start.mbar - cyl->end.mbar) / 1013250.0;
243 /* Liters of air at 1 atm == milliliters at 1k atm*/
244 airuse += kilo_atm * size;
249 static void get_sac(struct dive *dive, int *val)
251 double airuse, pressure, sac;
254 airuse = calculate_airuse(dive);
257 if (!dive->duration.seconds)
260 /* Mean pressure in atm: 1 atm per 10m */
261 pressure = 1 + (dive->meandepth.mm / 10000.0);
262 sac = airuse / pressure * 60 / dive->duration.seconds;
264 /* milliliters per minute.. */
268 static void get_string(char **str, const char *s)
284 static void get_location(struct dive *dive, char **str)
286 get_string(str, dive->location);
289 static void get_cylinder(struct dive *dive, char **str)
291 get_string(str, dive->cylinder[0].type.description);
294 static void fill_one_dive(struct dive *dive,
299 char *location, *cylinder;
301 get_cylinder(dive, &cylinder);
302 get_location(dive, &location);
306 * We only set the fields that changed: the strings.
307 * The core data itself is unaffected by units
309 gtk_list_store_set(GTK_LIST_STORE(model), iter,
310 DIVE_LOCATION, location,
311 DIVE_CYLINDER, cylinder,
316 static gboolean set_one_dive(GtkTreeModel *model,
321 GValue value = {0, };
324 /* Get the dive number */
325 gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
326 dive = get_dive(g_value_get_int(&value));
329 if (data && dive != data)
332 fill_one_dive(dive, model, iter);
336 void flush_divelist(struct dive *dive)
338 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
340 gtk_tree_model_foreach(model, set_one_dive, dive);
343 void set_divelist_font(const char *font)
345 PangoFontDescription *font_desc = pango_font_description_from_string(font);
346 gtk_widget_modify_font(dive_list.tree_view, font_desc);
347 pango_font_description_free(font_desc);
350 void update_dive_list_units(void)
353 GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
355 switch (output_units.length) {
363 gtk_tree_view_column_set_title(dive_list.depth, unit);
365 switch (output_units.temperature) {
376 gtk_tree_view_column_set_title(dive_list.temperature, unit);
378 gtk_tree_model_foreach(model, set_one_dive, NULL);
381 static void fill_dive_list(void)
387 store = GTK_LIST_STORE(dive_list.model);
389 for (i = 0; i < dive_table.nr; i++) {
390 struct dive *dive = dive_table.dives[i];
392 gtk_list_store_append(store, &iter);
393 gtk_list_store_set(store, &iter,
395 DIVE_DATE, dive->when,
396 DIVE_DEPTH, dive->maxdepth,
397 DIVE_DURATION, dive->duration.seconds,
398 DIVE_LOCATION, "location",
399 DIVE_TEMPERATURE, dive->watertemp.mkelvin,
400 DIVE_NITROX, dive->cylinder[0].gasmix.o2,
405 update_dive_list_units();
408 void dive_list_update_dives(void)
410 gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
415 typedef void (*data_func_t)(GtkTreeViewColumn *col,
416 GtkCellRenderer *renderer,
421 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, int index, const char *title,
422 data_func_t data_func, int align_right, int expand)
424 GtkCellRenderer *renderer;
425 GtkTreeViewColumn *col;
427 renderer = gtk_cell_renderer_text_new();
428 col = gtk_tree_view_column_new();
430 gtk_tree_view_column_set_title(col, title);
431 gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
432 gtk_tree_view_column_set_resizable(col, TRUE);
433 gtk_tree_view_column_pack_start(col, renderer, TRUE);
435 gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, NULL, NULL);
437 gtk_tree_view_column_add_attribute(col, renderer, "text", index);
439 gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
440 gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
442 gtk_tree_view_column_set_expand(col,expand);
444 gtk_tree_view_column_set_min_width(col,50);
445 gtk_tree_view_append_column(GTK_TREE_VIEW(dl->tree_view), col);
449 GtkWidget *dive_list_create(void)
451 GtkTreeSelection *selection;
453 dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
454 G_TYPE_INT, /* index */
455 G_TYPE_INT, /* Date */
456 G_TYPE_INT, /* Depth */
457 G_TYPE_INT, /* Duration */
458 G_TYPE_STRING, /* Location */
459 G_TYPE_INT, /* Temperature */
460 G_TYPE_STRING, /* Cylinder */
461 G_TYPE_INT, /* Nitrox */
464 dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
465 set_divelist_font(divelist_font);
467 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
469 gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
470 gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
472 dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, 0, 0);
473 dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "max/ft", depth_data_func, 1, 0);
474 dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, 1, 0);
475 dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, 0, 1);
476 dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, "degF", temperature_data_func, 1, 0);
477 dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, 0, 0);
478 dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O2%", nitrox_data_func, 1, 0);
479 dive_list.sac = divelist_column(&dive_list, DIVE_NITROX, "SAC", sac_data_func, 1, 0);
483 g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
488 g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
490 dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
491 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
492 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
493 gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
495 return dive_list.container_widget;