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 void get_temp(struct dive *dive, int *val, char **str)
  46 {
  47         int value = dive->watertemp.mkelvin;
  48         char buffer[80];
  49
  50         *val = value;
  51         *str = "";
  52         if (value) {
  53                 double deg;
  54                 switch (output_units.temperature) {
  55                 case CELSIUS:
  56                         deg = mkelvin_to_C(value);
  57                         break;
  58                 case FAHRENHEIT:
  59                         deg = mkelvin_to_F(value);
  60                         break;
  61                 default:
  62                         return;
  63                 }
  64                 snprintf(buffer, sizeof(buffer), "%.1f", deg);
  65                 *str = strdup(buffer);
  66         }
  67 }
  68
  69 static void get_nitrox(struct dive *dive, int *val, char **str)
  70 {
  71         int value = dive->cylinder[0].gasmix.o2.permille;
  72         char buffer[80];
  73
  74         *val = value;
  75         *str = "";
  76         if (value) {
  77                 snprintf(buffer, sizeof(buffer), "%.1f", value/10.0);
  78                 *str = strdup(buffer);
  79         }
  80 }
  81
  82 static void get_sac(struct dive *dive, int *val, char **str)
  83 {
  84         *val = 0;
  85         *str = "";
  86 }
  87
  88 static gboolean set_one_dive(GtkTreeModel *model,
  89                              GtkTreePath *path,
  90                              GtkTreeIter *iter,
  91                              gpointer data)
  92 {
  93         int len;
  94         GValue value = {0, };
  95         struct dive *dive;
  96         char buffer[256], *datestr, *depth, *duration;
  97         struct tm *tm;
  98         int integer, frac;
  99         int temp, nitrox, sac;
 100         char *tempstr, *nitroxstr, *sacstr;
 101
 102         /* Get the dive number */
 103         gtk_tree_model_get_value(model, iter, DIVE_INDEX, &value);
 104         dive = get_dive(g_value_get_int(&value));
 105         if (!dive)
 106                 return TRUE;
 107
 108         tm = gmtime(&dive->when);
 109         len = snprintf(buffer, sizeof(buffer),
 110                 "%02d.%02d.%02d %02d:%02d",
 111                 tm->tm_mday, tm->tm_mon+1, tm->tm_year % 100,
 112                 tm->tm_hour, tm->tm_min);
 113         datestr = malloc(len+1);
 114         memcpy(datestr, buffer, len+1);
 115
 116         switch (output_units.length) {
 117         unsigned int depth;
 118         case METERS:
 119                 depth = (dive->maxdepth.mm + 49) / 100;
 120                 integer = depth / 10;
 121                 frac = depth % 10;
 122                 if (integer < 20)
 123                         break;
 124                 frac = -1;
 125                 /* Rounding? */
 126                 break;
 127         case FEET:
 128                 integer = to_feet(dive->maxdepth);
 129                 frac = -1;
 130         }
 131         len = snprintf(buffer, sizeof(buffer),
 132                        "%d", integer);
 133         if (frac >= 0)
 134                 len += snprintf(buffer+len, sizeof(buffer)-len,
 135                         ".%d", frac);
 136         depth = malloc(len + 1);
 137         memcpy(depth, buffer, len+1);
 138
 139         len = snprintf(buffer, sizeof(buffer),
 140                        "%d", dive->duration.seconds / 60);
 141         duration = malloc(len + 1);
 142         memcpy(duration, buffer, len+1);
 143
 144         get_temp(dive, &temp, &tempstr);
 145         get_nitrox(dive, &nitrox, &nitroxstr);
 146         get_sac(dive, &sac, &sacstr);
 147
 148         /*
 149          * We only set the fields that changed: the strings.
 150          * The core data itself is unaffected by units
 151          */
 152         gtk_list_store_set(GTK_LIST_STORE(model), iter,
 153                 DIVE_DATESTR, datestr,
 154                 DIVE_DEPTHSTR, depth,
 155                 DIVE_DURATIONSTR, duration,
 156                 DIVE_TEMPSTR, tempstr,
 157                 DIVE_TEMP, temp,
 158                 DIVE_NITROXSTR, nitroxstr,
 159                 DIVE_NITROX, nitrox,
 160                 DIVE_SACSTR, sacstr,
 161                 DIVE_NITROX, sac,
 162                 -1);
 163
 164         return FALSE;
 165 }
 166
 167 void update_dive_list_units(struct DiveList *dive_list)
 168 {
 169         const char *unit;
 170         GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
 171
 172         switch (output_units.length) {
 173         case METERS:
 174                 unit = "m";
 175                 break;
 176         case FEET:
 177                 unit = "ft";
 178                 break;
 179         }
 180         gtk_tree_view_column_set_title(dive_list->depth, unit);
 181
 182         gtk_tree_model_foreach(model, set_one_dive, NULL);
 183 }
 184
 185 static void fill_dive_list(struct DiveList *dive_list)
 186 {
 187         int i;
 188         GtkTreeIter iter;
 189         GtkListStore *store;
 190
 191         store = GTK_LIST_STORE(dive_list->model);
 192
 193         for (i = 0; i < dive_table.nr; i++) {
 194                 struct dive *dive = dive_table.dives[i];
 195
 196                 gtk_list_store_append(store, &iter);
 197                 gtk_list_store_set(store, &iter,
 198                         DIVE_INDEX, i,
 199                         DIVE_DATESTR, "date",
 200                         DIVE_DATE, dive->when,
 201                         DIVE_DEPTHSTR, "depth",
 202                         DIVE_DEPTH, dive->maxdepth,
 203                         DIVE_DURATIONSTR, "duration",
 204                         DIVE_DURATION, dive->duration.seconds,
 205                         DIVE_TEMPSTR, "temp",
 206                         DIVE_TEMP, dive->watertemp.mkelvin,
 207                         DIVE_NITROXSTR, "21.0",
 208                         DIVE_NITROX, dive->cylinder[0].gasmix.o2,
 209                         DIVE_SACSTR, "sac",
 210                         DIVE_SAC, 0,
 211                         -1);
 212         }
 213
 214         update_dive_list_units(dive_list);
 215 }
 216
 217 void dive_list_update_dives(struct DiveList dive_list)
 218 {
 219         gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
 220         fill_dive_list(&dive_list);
 221         repaint_dive();
 222 }
 223
 224 struct DiveList dive_list_create(void)
 225 {
 226         struct DiveList    dive_list;
 227         GtkTreeSelection  *selection;
 228         GtkCellRenderer   *renderer;
 229         GtkTreeViewColumn *col;
 230
 231         dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
 232                                 G_TYPE_INT,                     /* index */
 233                                 G_TYPE_STRING, G_TYPE_INT,      /* Date */
 234                                 G_TYPE_STRING, G_TYPE_INT,      /* Depth */
 235                                 G_TYPE_STRING, G_TYPE_INT,      /* Duration */
 236                                 G_TYPE_STRING, G_TYPE_INT,      /* Temperature */
 237                                 G_TYPE_STRING, G_TYPE_INT,      /* Nitrox */
 238                                 G_TYPE_STRING, G_TYPE_INT       /* SAC */
 239                                 );
 240         dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
 241         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
 242
 243         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
 244         gtk_widget_set_size_request(dive_list.tree_view, 200, 100);
 245
 246         renderer = gtk_cell_renderer_text_new();
 247         dive_list.date = col = gtk_tree_view_column_new();
 248         gtk_tree_view_column_set_title(col, "Date");
 249         gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
 250         gtk_tree_view_column_set_resizable (col, TRUE);
 251         gtk_tree_view_column_pack_start(col, renderer, TRUE);
 252         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DATESTR);
 253         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 254
 255         renderer = gtk_cell_renderer_text_new();
 256         dive_list.depth = col = gtk_tree_view_column_new();
 257         gtk_tree_view_column_set_title(col, "ft");
 258         gtk_tree_view_column_set_sort_column_id(col, DIVE_DEPTH);
 259         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 260         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DEPTHSTR);
 261         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 262         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 263         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 264
 265         renderer = gtk_cell_renderer_text_new();
 266         dive_list.duration = col = gtk_tree_view_column_new();
 267         gtk_tree_view_column_set_title(col, "min");
 268         gtk_tree_view_column_set_sort_column_id(col, DIVE_DURATION);
 269         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 270         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_DURATIONSTR);
 271         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 272         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 273         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 274
 275         renderer = gtk_cell_renderer_text_new();
 276         dive_list.temperature = col = gtk_tree_view_column_new();
 277         gtk_tree_view_column_set_title(col, "deg");
 278         gtk_tree_view_column_set_sort_column_id(col, DIVE_TEMP);
 279         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 280         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_TEMPSTR);
 281         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 282         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 283         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 284
 285         renderer = gtk_cell_renderer_text_new();
 286         dive_list.nitrox = col = gtk_tree_view_column_new();
 287         gtk_tree_view_column_set_title(col, "EAD");
 288         gtk_tree_view_column_set_sort_column_id(col, DIVE_NITROX);
 289         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 290         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_NITROXSTR);
 291         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 292         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 293         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 294
 295         renderer = gtk_cell_renderer_text_new();
 296         dive_list.sac = col = gtk_tree_view_column_new();
 297         gtk_tree_view_column_set_title(col, "SAC");
 298         gtk_tree_view_column_set_sort_column_id(col, DIVE_SAC);
 299         gtk_tree_view_column_pack_start(col, renderer, FALSE);
 300         gtk_tree_view_column_add_attribute(col, renderer, "text", DIVE_SACSTR);
 301         gtk_tree_view_append_column(GTK_TREE_VIEW(dive_list.tree_view), col);
 302         gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
 303         gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
 304
 305         fill_dive_list(&dive_list);
 306
 307         g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
 308                                           "search-column", 0,
 309                                           "rules-hint", TRUE,
 310                                           NULL);
 311
 312         g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
 313
 314         dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
 315         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
 316                                GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 317         gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
 318
 319         return dive_list;
 320 }