divelist.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5
   6 #include "divelist.h"
   7 #include "dive.h"
   8 #include "display.h"
   9
  10 /*
  11  * The dive list has the dive data in both string format (for showing)
  12  * and in "raw" format (for sorting purposes)
  13  */
  14 enum {
  15         DIVE_INDEX = 0,
  16         DIVE_DATESTR,           /* "Thu Jun 17th, 2011" or whatever */
  17         DIVE_DATE,              /* time_t: dive->when */
  18         DIVE_DEPTHSTR,          /* "67" in ft or whatever */
  19         DIVE_DEPTH,             /* int: dive->maxdepth in mm */
  20         DIVE_DURATIONSTR,       /* "47" in minutes */
  21         DIVE_DURATION,          /* int: in seconds */
  22         DIVE_TEMPSTR,           /* "78" in fahrenheit or whatever */
  23         DIVE_TEMP,              /* int: in mkelvin */
  24         DIVE_NITROXSTR,         /* "32.5" in percent */
  25         DIVE_NITROX,            /* int: in permille */
  26         DIVE_SACSTR,            /* "0.49" in cuft/min */
  27         DIVE_SAC,               /* int: in ml/min or something */
  28         DIVELIST_COLUMNS
  29 };
  30
  31
  32 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
  33 {
  34         GtkTreeIter iter;
  35         GValue value = {0, };
  36
  37         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
  38                 return;
  39
  40         gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
  41         selected_dive = g_value_get_int(&value);
  42         repaint_dive();
  43 }
  44
  45 static const char *weekday(int wday)
  46 {
  47         static const char wday_array[7][4] = {
  48                 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
  49         };
  50         return wday_array[wday];
  51 }
  52
  53 static const char *monthname(int mon)
  54 {
  55         static const char month_array[12][4] = {
  56                 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  57                 "Jul", "Aug", "Oct", "Sep", "Nov", "Dec",
  58         };
  59         return month_array[mon];
  60 }
  61
  62 static void get_date(struct dive *dive, int *val, char **str)
  63 {
  64         struct tm *tm;
  65         time_t when = dive->when;
  66         char buffer[40];
  67
  68         /* 2038 problem */
  69         *val = when;
  70
  71         tm = gmtime(&dive->when);
  72         snprintf(buffer, sizeof(buffer),
  73                 "%s, %s %d, %d %02d:%02d",
  74                 weekday(tm->tm_wday),
  75                 monthname(tm->tm_mon),
  76                 tm->tm_mday, tm->tm_year + 1900,
  77                 tm->tm_hour, tm->tm_min);
  78         *str = strdup(buffer);
  79 }
  80
  81 static void get_depth(struct dive *dive, int *val, char **str)
  82 {
  83         int len;
  84         int depth = dive->maxdepth.mm;
  85         int integer, frac = -1;
  86         char buffer[10];
  87
  88         *val = depth;
  89         *str = "";
  90         switch (output_units.length) {
  91         case METERS:
  92                 /* To tenths of meters */
  93                 depth = (depth + 49) / 100;
  94                 integer = depth / 10;
  95                 frac = depth % 10;
  96                 if (integer < 20)
  97                         break;
  98                 frac = -1;
  99                 /* Rounding? */
 100                 break;
 101         case FEET:
 102                 integer = to_feet(dive->maxdepth);
 103                 frac = -1;
 104                 break;
 105         default:
 106                 return;
 107         }
 108         len = snprintf(buffer, sizeof(buffer),
 109                        "%d", integer);
 110         if (frac >= 0)
 111                 len += snprintf(buffer+len, sizeof(buffer)-len,
 112                         ".%d", frac);
 113         *str = strdup(buffer);
 114 }
 115
 116 static void get_duration(struct dive *dive, int *val, char **str)
 117 {
 118         unsigned int sec = dive->duration.seconds;
 119         char buffer[16];
 120
 121         *val = sec;
 122         snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
 123         *str = strdup(buffer);
 124 }
 125
 126 static void get_temp(struct dive *dive, int *val, char **str)
 127 {
 128         int value = dive->watertemp.mkelvin;
 129         char buffer[80];
 130
 131         *val = value;
 132         *str = "";
 133         if (value) {
 134                 double deg;
 135                 switch (output_units.temperature) {
 136                 case CELSIUS:
 137                         deg = mkelvin_to_C(value);
 138                         break;
 139                 case FAHRENHEIT:
 140                         deg = mkelvin_to_F(value);
 141                         break;
 142                 default:
 143                         return;
 144                 }
 145                 snprintf(buffer, sizeof(buffer), "%.1f", deg);
 146                 *str = strdup(buffer);
 147         }
 148 }
 149
 150 static void get_nitrox(struct dive *dive, int *val, char **str)
 151 {
 152         int value = dive->cylinder[0].gasmix.o2.permille;
 153         char buffer[80];
 154
 155         *val = value;
 156         *str = "";
 157         if (value) {
 158                 snprintf(buffer, sizeof(buffer), "%.1f", value/10.0);
 159                 *str = strdup(buffer);
 160         }
 161 }
 162
 163 static void get_sac(struct dive *dive, int *val, char **str)
 164 {
 165         *val = 0;
 166         *str = "";
 167 }
 168
 169 static gboolean set_one_dive(GtkTreeModel *model,
 170                              GtkTreePath *path,
 171                              GtkTreeIter *iter,
 172                              gpointer data)
 173 {
 174         GValue value = {0, };
 175         struct dive *dive;
 176         int date, depth, duration, temp, nitrox, sac;
 177         char *datestr, *depthstr, *durationstr, *tempstr, *nitroxstr, *sacstr;
 178
 179         /* Get the dive number */
 180         gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
 181         dive = get_dive(g_value_get_int(&value));
 182         if (!dive)
 183                 return TRUE;
 184
 185         get_date(dive, &date, &datestr);
 186         get_depth(dive, &depth, &depthstr);
 187         get_duration(dive, &duration, &durationstr);
 188         get_temp(dive, &temp, &tempstr);
 189         get_nitrox(dive, &nitrox, &nitroxstr);
 190         get_sac(dive, &sac, &sacstr);
 191
 192         /*
 193          * We only set the fields that changed: the strings.
 194          * The core data itself is unaffected by units
 195          */
 196         gtk_list_store_set(GTK_LIST_STORE(model), iter,
 197                 DIVE_DATESTR, datestr,
 198                 DIVE_DEPTHSTR, depthstr,
 199                 DIVE_DURATIONSTR, durationstr,
 200                 DIVE_TEMPSTR, tempstr,
 201                 DIVE_TEMP, temp,
 202                 DIVE_NITROXSTR, nitroxstr,
 203                 DIVE_NITROX, nitrox,
 204                 DIVE_SACSTR, sacstr,
 205                 DIVE_NITROX, sac,
 206                 -1);
 207
 208         return FALSE;
 209 }
 210
 211 void update_dive_list_units(struct DiveList *dive_list)
 212 {
 213         const char *unit;
 214         GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
 215
 216         switch (output_units.length) {
 217         case METERS:
 218                 unit = "m";
 219                 break;
 220         case FEET:
 221                 unit = "ft";
 222                 break;
 223         }
 224         gtk_tree_view_column_set_title(dive_list->depth, unit);
 225
 226         gtk_tree_model_foreach(model, set_one_dive, NULL);
 227 }
 228
 229 static void fill_dive_list(struct DiveList *dive_list)
 230 {
 231         int i;
 232         GtkTreeIter iter;
 233         GtkListStore *store;
 234
 235         store = GTK_LIST_STORE(dive_list->model);
 236
 237         for (i = 0; i < dive_table.nr; i++) {
 238                 struct dive *dive = dive_table.dives[i];
 239
 240                 gtk_list_store_append(store, &iter);
 241                 gtk_list_store_set(store, &iter,
 242                         DIVE_INDEX, i,
 243                         DIVE_DATESTR, "date",
 244                         DIVE_DATE, dive->when,
 245                         DIVE_DEPTHSTR, "depth",
 246                         DIVE_DEPTH, dive->maxdepth,
 247                         DIVE_DURATIONSTR, "duration",
 248                         DIVE_DURATION, dive->duration.seconds,
 249                         DIVE_TEMPSTR, "temp",
 250                         DIVE_TEMP, dive->watertemp.mkelvin,
 251                         DIVE_NITROXSTR, "21.0",
 252                         DIVE_NITROX, dive->cylinder[0].gasmix.o2,
 253                         DIVE_SACSTR, "sac",
 254                         DIVE_SAC, 0,
 255                         -1);
 256         }
 257
 258         update_dive_list_units(dive_list);
 259 }
 260
 261 void dive_list_update_dives(struct DiveList dive_list)
 262 {
 263         gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
 264         fill_dive_list(&dive_list);
 265         repaint_dive();
 266 }
 267
 268 struct DiveList dive_list_create(void)
 269 {
 270         struct DiveList    dive_list;
 271         GtkTreeSelection  *selection;
 272         GtkCellRenderer   *renderer;
 273         GtkTreeViewColumn *col;
 274
 275         dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
 276                                 G_TYPE_INT,                     /* index */
 277                                 G_TYPE_STRING, G_TYPE_INT,      /* Date */
 278                                 G_TYPE_STRING, G_TYPE_INT,      /* Depth */
 279                                 G_TYPE_STRING, G_TYPE_INT,      /* Duration */
 280                                 G_TYPE_STRING, G_TYPE_INT,      /* Temperature */
 281                                 G_TYPE_STRING, G_TYPE_INT,      /* Nitrox */
 282                                 G_TYPE_STRING, G_TYPE_INT       /* SAC */
 283                                 );
 284         dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
 285         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
 286
 287         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
 288         gtk_widget_set_size_request(dive_list.tree_view, 200, 100);
 289
 290         renderer = gtk_cell_renderer_text_new();
 291         dive_list.date = col = gtk_tree_view_column_new();
 292         gtk_tree_view_column_set_title(col, "Date");
 293         gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
 294         gtk_tree_view_column_set_resizable (col, TRUE);
 295         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 296         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DATESTR);
 297         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 298
 299         renderer = gtk_cell_renderer_text_new();
 300         dive_list.depth = col = gtk_tree_view_column_new();
 301         gtk_tree_view_column_set_title(col, "ft");
 302         gtk_tree_view_column_set_sort_column_id(col, DIVE_DEPTH);
 303         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 304         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DEPTHSTR);
 305         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 306         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 307         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 308
 309         renderer = gtk_cell_renderer_text_new();
 310         dive_list.duration = col = gtk_tree_view_column_new();
 311         gtk_tree_view_column_set_title(col, "min");
 312         gtk_tree_view_column_set_sort_column_id(col, DIVE_DURATION);
 313         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 314         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DURATIONSTR);
 315         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 316         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 317         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 318
 319         renderer = gtk_cell_renderer_text_new();
 320         dive_list.temperature = col = gtk_tree_view_column_new();
 321         gtk_tree_view_column_set_title(col, "deg");
 322         gtk_tree_view_column_set_sort_column_id(col, DIVE_TEMP);
 323         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 324         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_TEMPSTR);
 325         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 326         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 327         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 328
 329         renderer = gtk_cell_renderer_text_new();
 330         dive_list.nitrox = col = gtk_tree_view_column_new();
 331         gtk_tree_view_column_set_title(col, "EAD");
 332         gtk_tree_view_column_set_sort_column_id(col, DIVE_NITROX);
 333         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 334         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_NITROXSTR);
 335         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 336         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 337         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 338
 339         renderer = gtk_cell_renderer_text_new();
 340         dive_list.sac = col = gtk_tree_view_column_new();
 341         gtk_tree_view_column_set_title(col, "SAC");
 342         gtk_tree_view_column_set_sort_column_id(col, DIVE_SAC);
 343         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 344         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_SACSTR);
 345         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 346         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 347         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 348
 349         fill_dive_list(&dive_list);
 350
 351         g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
 352                                           "search-column", 0,
 353                                           "rules-hint", TRUE,
 354                                           NULL);
 355
 356         g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
 357
 358         dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
 359         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
 360                                GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 361         gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
 362
 363         return dive_list;
 364 }