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_LOCATION,          /* "47" in minutes */
  23         DIVE_TEMPSTR,           /* "78" in fahrenheit or whatever */
  24         DIVE_TEMP,              /* int: in mkelvin */
  25         DIVE_NITROXSTR,         /* "32.5" in percent */
  26         DIVE_NITROX,            /* int: in permille */
  27         DIVE_SACSTR,            /* "0.49" in cuft/min */
  28         DIVE_SAC,               /* int: in ml/min or something */
  29         DIVELIST_COLUMNS
  30 };
  31
  32
  33 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
  34 {
  35         GtkTreeIter iter;
  36         GValue value = {0, };
  37
  38         if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
  39                 return;
  40
  41         gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
  42         selected_dive = g_value_get_int(&value);
  43         repaint_dive();
  44 }
  45
  46 static const char *weekday(int wday)
  47 {
  48         static const char wday_array[7][4] = {
  49                 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
  50         };
  51         return wday_array[wday];
  52 }
  53
  54 static const char *monthname(int mon)
  55 {
  56         static const char month_array[12][4] = {
  57                 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  58                 "Jul", "Aug", "Oct", "Sep", "Nov", "Dec",
  59         };
  60         return month_array[mon];
  61 }
  62
  63 static void get_date(struct dive *dive, int *val, char **str)
  64 {
  65         struct tm *tm;
  66         time_t when = dive->when;
  67         char buffer[40];
  68
  69         /* 2038 problem */
  70         *val = when;
  71
  72         tm = gmtime(&dive->when);
  73         snprintf(buffer, sizeof(buffer),
  74                 "%s, %s %d, %d %02d:%02d",
  75                 weekday(tm->tm_wday),
  76                 monthname(tm->tm_mon),
  77                 tm->tm_mday, tm->tm_year + 1900,
  78                 tm->tm_hour, tm->tm_min);
  79         *str = strdup(buffer);
  80 }
  81
  82 static void get_depth(struct dive *dive, int *val, char **str)
  83 {
  84         int len;
  85         int depth = dive->maxdepth.mm;
  86         int integer, frac = -1;
  87         char buffer[10];
  88
  89         *val = depth;
  90         *str = "";
  91         switch (output_units.length) {
  92         case METERS:
  93                 /* To tenths of meters */
  94                 depth = (depth + 49) / 100;
  95                 integer = depth / 10;
  96                 frac = depth % 10;
  97                 if (integer < 20)
  98                         break;
  99                 frac = -1;
 100                 /* Rounding? */
 101                 break;
 102         case FEET:
 103                 integer = to_feet(dive->maxdepth);
 104                 frac = -1;
 105                 break;
 106         default:
 107                 return;
 108         }
 109         len = snprintf(buffer, sizeof(buffer),
 110                        "%d", integer);
 111         if (frac >= 0)
 112                 len += snprintf(buffer+len, sizeof(buffer)-len,
 113                         ".%d", frac);
 114         *str = strdup(buffer);
 115 }
 116
 117 static void get_duration(struct dive *dive, int *val, char **str)
 118 {
 119         unsigned int sec = dive->duration.seconds;
 120         char buffer[16];
 121
 122         *val = sec;
 123         snprintf(buffer, sizeof(buffer), "%d:%02d", sec / 60, sec % 60);
 124         *str = strdup(buffer);
 125 }
 126
 127 static void get_location(struct dive *dive, char **str)
 128 {
 129         char buffer[16];
 130
 131         snprintf(buffer, sizeof(buffer), "%s", dive->location);
 132         *str = strdup(buffer);
 133 }
 134
 135 static void get_temp(struct dive *dive, int *val, char **str)
 136 {
 137         int value = dive->watertemp.mkelvin;
 138         char buffer[80];
 139
 140         *val = value;
 141         *str = "";
 142         if (value) {
 143                 double deg;
 144                 switch (output_units.temperature) {
 145                 case CELSIUS:
 146                         deg = mkelvin_to_C(value);
 147                         break;
 148                 case FAHRENHEIT:
 149                         deg = mkelvin_to_F(value);
 150                         break;
 151                 default:
 152                         return;
 153                 }
 154                 snprintf(buffer, sizeof(buffer), "%.1f", deg);
 155                 *str = strdup(buffer);
 156         }
 157 }
 158
 159 static void get_nitrox(struct dive *dive, int *val, char **str)
 160 {
 161         int value = dive->cylinder[0].gasmix.o2.permille;
 162         char buffer[80];
 163
 164         *val = value;
 165         *str = "";
 166         if (value) {
 167                 snprintf(buffer, sizeof(buffer), "%.1f", value/10.0);
 168                 *str = strdup(buffer);
 169         }
 170 }
 171
 172 static void get_sac(struct dive *dive, int *val, char **str)
 173 {
 174         *val = 0;
 175         *str = "";
 176 }
 177
 178 static gboolean set_one_dive(GtkTreeModel *model,
 179                              GtkTreePath *path,
 180                              GtkTreeIter *iter,
 181                              gpointer data)
 182 {
 183         GValue value = {0, };
 184         struct dive *dive;
 185         int date, depth, duration, temp, nitrox, sac;
 186         char *datestr, *depthstr, *durationstr, *tempstr, *nitroxstr, *sacstr;
 187         char *location;
 188
 189         /* Get the dive number */
 190         gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
 191         dive = get_dive(g_value_get_int(&value));
 192         if (!dive)
 193                 return TRUE;
 194
 195         get_date(dive, &date, &datestr);
 196         get_depth(dive, &depth, &depthstr);
 197         get_duration(dive, &duration, &durationstr);
 198         get_location(dive, &location);
 199         get_temp(dive, &temp, &tempstr);
 200         get_nitrox(dive, &nitrox, &nitroxstr);
 201         get_sac(dive, &sac, &sacstr);
 202
 203         /*
 204          * We only set the fields that changed: the strings.
 205          * The core data itself is unaffected by units
 206          */
 207         gtk_list_store_set(GTK_LIST_STORE(model), iter,
 208                 DIVE_DATESTR, datestr,
 209                 DIVE_DEPTHSTR, depthstr,
 210                 DIVE_DURATIONSTR, durationstr,
 211                 DIVE_LOCATION, location,
 212                 DIVE_TEMPSTR, tempstr,
 213                 DIVE_TEMP, temp,
 214                 DIVE_NITROXSTR, nitroxstr,
 215                 DIVE_NITROX, nitrox,
 216                 DIVE_SACSTR, sacstr,
 217                 DIVE_NITROX, sac,
 218                 -1);
 219
 220         return FALSE;
 221 }
 222
 223 void update_dive_list_units(struct DiveList *dive_list)
 224 {
 225         const char *unit;
 226         GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
 227
 228         switch (output_units.length) {
 229         case METERS:
 230                 unit = "m";
 231                 break;
 232         case FEET:
 233                 unit = "ft";
 234                 break;
 235         }
 236         gtk_tree_view_column_set_title(dive_list->depth, unit);
 237
 238         gtk_tree_model_foreach(model, set_one_dive, NULL);
 239 }
 240
 241 static void fill_dive_list(struct DiveList *dive_list)
 242 {
 243         int i;
 244         GtkTreeIter iter;
 245         GtkListStore *store;
 246
 247         store = GTK_LIST_STORE(dive_list->model);
 248
 249         for (i = 0; i < dive_table.nr; i++) {
 250                 struct dive *dive = dive_table.dives[i];
 251
 252                 gtk_list_store_append(store, &iter);
 253                 gtk_list_store_set(store, &iter,
 254                         DIVE_INDEX, i,
 255                         DIVE_DATESTR, "date",
 256                         DIVE_DATE, dive->when,
 257                         DIVE_DEPTHSTR, "depth",
 258                         DIVE_DEPTH, dive->maxdepth,
 259                         DIVE_DURATIONSTR, "duration",
 260                         DIVE_DURATION, dive->duration.seconds,
 261                         DIVE_LOCATION, "location",
 262                         DIVE_TEMPSTR, "temp",
 263                         DIVE_TEMP, dive->watertemp.mkelvin,
 264                         DIVE_NITROXSTR, "21.0",
 265                         DIVE_NITROX, dive->cylinder[0].gasmix.o2,
 266                         DIVE_SACSTR, "sac",
 267                         DIVE_SAC, 0,
 268                         -1);
 269         }
 270
 271         update_dive_list_units(dive_list);
 272 }
 273
 274 void dive_list_update_dives(struct DiveList dive_list)
 275 {
 276         gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
 277         fill_dive_list(&dive_list);
 278         repaint_dive();
 279 }
 280
 281 struct DiveList dive_list_create(void)
 282 {
 283         struct DiveList    dive_list;
 284         GtkTreeSelection  *selection;
 285         GtkCellRenderer   *renderer;
 286         GtkTreeViewColumn *col;
 287
 288         dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
 289                                 G_TYPE_INT,                     /* index */
 290                                 G_TYPE_STRING, G_TYPE_INT,      /* Date */
 291                                 G_TYPE_STRING, G_TYPE_INT,      /* Depth */
 292                                 G_TYPE_STRING, G_TYPE_INT,      /* Duration */
 293                                 G_TYPE_STRING,                  /* Location */
 294                                 G_TYPE_STRING, G_TYPE_INT,      /* Temperature */
 295                                 G_TYPE_STRING, G_TYPE_INT,      /* Nitrox */
 296                                 G_TYPE_STRING, G_TYPE_INT       /* SAC */
 297                                 );
 298         dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
 299         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
 300
 301         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
 302         gtk_widget_set_size_request(dive_list.tree_view, 200, 100);
 303
 304         renderer = gtk_cell_renderer_text_new();
 305         dive_list.date = col = gtk_tree_view_column_new();
 306         gtk_tree_view_column_set_title(col, "Date");
 307         gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
 308         gtk_tree_view_column_set_resizable (col, TRUE);
 309         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 310         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DATESTR);
 311         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 312
 313         renderer = gtk_cell_renderer_text_new();
 314         dive_list.depth = col = gtk_tree_view_column_new();
 315         gtk_tree_view_column_set_title(col, "ft");
 316         gtk_tree_view_column_set_sort_column_id(col, DIVE_DEPTH);
 317         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 318         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DEPTHSTR);
 319         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 320         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 321         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 322
 323         renderer = gtk_cell_renderer_text_new();
 324         dive_list.duration = col = gtk_tree_view_column_new();
 325         gtk_tree_view_column_set_title(col, "min");
 326         gtk_tree_view_column_set_sort_column_id(col, DIVE_DURATION);
 327         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 328         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DURATIONSTR);
 329         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 330         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 331         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 332
 333         renderer = gtk_cell_renderer_text_new();
 334         dive_list.location = col = gtk_tree_view_column_new();
 335         gtk_tree_view_column_set_title(col, "Location");
 336         gtk_tree_view_column_set_sort_column_id(col, DIVE_LOCATION);
 337         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 338         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_LOCATION);
 339         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 340
 341         renderer = gtk_cell_renderer_text_new();
 342         dive_list.temperature = col = gtk_tree_view_column_new();
 343         gtk_tree_view_column_set_title(col, "deg");
 344         gtk_tree_view_column_set_sort_column_id(col, DIVE_TEMP);
 345         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 346         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_TEMPSTR);
 347         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 348         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 349         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 350
 351         renderer = gtk_cell_renderer_text_new();
 352         dive_list.nitrox = col = gtk_tree_view_column_new();
 353         gtk_tree_view_column_set_title(col, "EAD");
 354         gtk_tree_view_column_set_sort_column_id(col, DIVE_NITROX);
 355         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 356         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_NITROXSTR);
 357         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 358         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 359         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 360
 361         renderer = gtk_cell_renderer_text_new();
 362         dive_list.sac = col = gtk_tree_view_column_new();
 363         gtk_tree_view_column_set_title(col, "SAC");
 364         gtk_tree_view_column_set_sort_column_id(col, DIVE_SAC);
 365         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 366         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_SACSTR);
 367         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 368         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 369         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 370
 371         fill_dive_list(&dive_list);
 372
 373         g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
 374                                           "search-column", 0,
 375                                           "rules-hint", TRUE,
 376                                           NULL);
 377
 378         g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
 379
 380         dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
 381         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
 382                                GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 383         gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
 384
 385         return dive_list;
 386 }