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