equipment.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <stdarg.h>
   5 #include <time.h>
   6
   7 #include "dive.h"
   8 #include "display.h"
   9 #include "divelist.h"
  10
  11 static int cylinder_changed;
  12 static GtkComboBox *cylinder_description;
  13 static GtkSpinButton *cylinder_size, *cylinder_pressure;
  14
  15 static void cylinder_cb(GtkComboBox *combo_box, gpointer data)
  16 {
  17         GtkTreeIter iter;
  18         GtkTreeModel *model = gtk_combo_box_get_model(combo_box);
  19         GValue value1 = {0, }, value2 = {0,};
  20         int volume, pressure;
  21
  22         cylinder_changed = 1;
  23         if (!gtk_combo_box_get_active_iter(combo_box, &iter))
  24                 return;
  25
  26         gtk_tree_model_get_value(model, &iter, 1, &value1);
  27         volume = g_value_get_int(&value1);
  28         gtk_tree_model_get_value(model, &iter, 2, &value2);
  29         pressure = g_value_get_int(&value2);
  30
  31         gtk_spin_button_set_value(cylinder_size,
  32                         volume / 1000.0);
  33         gtk_spin_button_set_value(cylinder_pressure,
  34                         pressure / 1000.0);
  35 }
  36
  37 static gboolean match_cylinder(GtkTreeModel *model,
  38                                 GtkTreePath *path,
  39                                 GtkTreeIter *iter,
  40                                 gpointer data)
  41 {
  42         const char *name;
  43         const char *desc = data;
  44         GValue value = {0, };
  45
  46         gtk_tree_model_get_value(model, iter, 0, &value);
  47         name = g_value_get_string(&value);
  48         if (strcmp(desc, name))
  49                 return FALSE;
  50         gtk_combo_box_set_active_iter(cylinder_description, iter);
  51         return TRUE;
  52 }
  53
  54 void show_dive_equipment(struct dive *dive)
  55 {
  56         cylinder_type_t *type = &dive->cylinder[0].type;
  57         const char *desc = type->description;
  58         GtkTreeModel *model = gtk_combo_box_get_model(cylinder_description);
  59
  60         if (desc)
  61                 gtk_tree_model_foreach(model, match_cylinder, (gpointer)desc);
  62         gtk_spin_button_set_value(cylinder_size,
  63                         type->size.mliter / 1000.0);
  64         gtk_spin_button_set_value(cylinder_pressure,
  65                         type->workingpressure.mbar / 1000.0);
  66 }
  67
  68 static GtkWidget *create_spinbutton(GtkWidget *vbox, const char *name)
  69 {
  70         GtkWidget *frame, *button;
  71
  72         frame = gtk_frame_new(name);
  73         gtk_container_add(GTK_CONTAINER(vbox), frame);
  74
  75         button = gtk_spin_button_new_with_range( 0.0, 3500.0, 0.1);
  76         gtk_container_add(GTK_CONTAINER(frame), button);
  77
  78         return button;
  79 }
  80
  81 static void fill_cylinder_info(cylinder_t *cyl, const char *desc, int mliter, int mbar)
  82 {
  83         /*
  84          * The code is currently too broken to actually set anything,
  85          * so just print what we would set
  86          */
  87         printf("Set cylinder to '%s': %.1f liter at %.1f bar working pressure\n",
  88                 desc, mliter / 1000.0, mbar / 1000.);
  89 #if 0
  90         cyl->type.description = desc;
  91         cyl->type.size.mliter = mliter;
  92         cyl->type.workingpressure.mbar = mbar;
  93 #endif
  94 }
  95
  96 static void record_cylinder_changes(struct dive *dive)
  97 {
  98         const gchar *desc;
  99         GtkComboBox *box = cylinder_description;
 100         gdouble volume, pressure;
 101
 102         desc = gtk_combo_box_get_active_text(box);
 103         volume = gtk_spin_button_get_value(cylinder_size);
 104         pressure = gtk_spin_button_get_value(cylinder_pressure);
 105
 106         fill_cylinder_info(dive->cylinder+0,
 107                 desc, volume * 1000, pressure * 1000);
 108 }
 109
 110 void flush_dive_equipment_changes(struct dive *dive)
 111 {
 112         if (cylinder_changed) {
 113                 cylinder_changed = 0;
 114                 record_cylinder_changes(dive);
 115         }
 116 }
 117
 118 /* We should take these from the dive list instead */
 119 static struct tank_info {
 120         const char *name;
 121         int size;       /* cuft or mliter depending on psi */
 122         int psi;        /* If zero, size is in mliter */
 123 } tank_info[] = {
 124         { "None", 0, 0 },
 125         { "10.0 l", 10000 },
 126         { "11.1 l", 11100 },
 127         { "AL72", 72, 3000 },
 128         { "AL80", 80, 3000 },
 129         { "LP85", 85, 2400 },
 130         { "LP95", 95, 2400 },
 131         { "LP85+", 85, 2640 },
 132         { "LP95+", 95, 2640 },
 133         { "HP100", 100, 3442 },
 134         { "HP119", 119, 3442 },
 135         { NULL, }
 136 };
 137
 138 static void fill_tank_list(GtkListStore *store)
 139 {
 140         GtkTreeIter iter;
 141
 142         struct tank_info *info = tank_info;
 143
 144         while (info->name) {
 145                 int size = info->size;
 146                 int psi = info->psi;
 147                 int mbar = 0, ml = size;
 148
 149                 /* Is it in cuft and psi? */
 150                 if (psi) {
 151                         double bar = 0.0689475729 * psi;
 152                         double airvolume = 28316.8466 * size;
 153                         double atm = bar / 1.01325;
 154
 155                         ml = airvolume / atm + 0.5;
 156                         mbar = bar*1000 + 0.5;
 157                 }
 158
 159                 gtk_list_store_append(store, &iter);
 160                 gtk_list_store_set(store, &iter,
 161                         0, info->name,
 162                         1, ml,
 163                         2, mbar,
 164                         -1);
 165                 info++;
 166         }
 167 }
 168
 169 static void cylinder_widget(GtkWidget *box, int nr, GtkListStore *model)
 170 {
 171         GtkWidget *frame, *hbox;
 172         GtkWidget *description, *size, *pressure;
 173         char buffer[80];
 174
 175         snprintf(buffer, sizeof(buffer), "Cylinder %d", nr);
 176         frame = gtk_frame_new(buffer);
 177         gtk_box_pack_start(GTK_BOX(box), frame, FALSE, FALSE, 0);
 178
 179         hbox = gtk_hbox_new(TRUE, 3);
 180         gtk_container_add(GTK_CONTAINER(frame), hbox);
 181
 182         frame = gtk_frame_new("Description");
 183         gtk_box_pack_start(GTK_BOX(hbox), frame, FALSE, FALSE, 0);
 184
 185         description = gtk_combo_box_entry_new_with_model(GTK_TREE_MODEL(model), 0);
 186         gtk_container_add(GTK_CONTAINER(frame), description);
 187
 188         cylinder_description = GTK_COMBO_BOX(description);
 189         g_signal_connect(description, "changed", G_CALLBACK(cylinder_cb), description);
 190
 191         size = create_spinbutton(hbox, "Size");
 192         cylinder_size = GTK_SPIN_BUTTON(size);
 193
 194         pressure = create_spinbutton(hbox, "Working Pressure");
 195         cylinder_pressure = GTK_SPIN_BUTTON(pressure);
 196 }
 197
 198 static GtkListStore *create_tank_size_model(void)
 199 {
 200         GtkListStore *model;
 201
 202         model = gtk_list_store_new(3,
 203                 G_TYPE_STRING,          /* Tank name */
 204                 G_TYPE_INT,             /* Tank size in mliter */
 205                 G_TYPE_INT,             /* Tank working pressure in mbar */
 206                 -1);
 207
 208         fill_tank_list(model);
 209         return model;
 210 }
 211
 212 GtkWidget *equipment_widget(void)
 213 {
 214         GtkWidget *vbox;
 215         GtkListStore *model;
 216
 217         vbox = gtk_vbox_new(FALSE, 3);
 218
 219         model = create_tank_size_model();
 220         cylinder_widget(vbox, 0, model);
 221
 222         return vbox;
 223 }