]> git.tdb.fi Git - ext/subsurface.git/blobdiff - divelist.c
Correctly plot the tank end pressure if it was set manually
[ext/subsurface.git] / divelist.c
index b7cc0a3117818cddc16380fe4cfc9f9dbe4f7454..60ad16a7fe541ced018f03010e732957b6974024 100644 (file)
@@ -1,11 +1,36 @@
+/* divelist.c */
+/* this creates the UI for the dive list -
+ * controlled through the following interfaces:
+ *
+ * void flush_divelist(struct dive *dive)
+ * GtkWidget dive_list_create(void)
+ * void dive_list_update_dives(void)
+ * void update_dive_list_units(void)
+ * void set_divelist_font(const char *font)
+ * void mark_divelist_changed(int changed)
+ * int unsaved_changes()
+ */
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <math.h>
 
 #include "divelist.h"
 #include "dive.h"
 #include "display.h"
+#include "display-gtk.h"
+
+struct DiveList {
+       GtkWidget    *tree_view;
+       GtkWidget    *container_widget;
+       GtkListStore *model;
+       GtkTreeViewColumn *nr, *date, *depth, *duration, *location;
+       GtkTreeViewColumn *temperature, *cylinder, *nitrox, *sac, *otu;
+       int changed;
+};
+
+static struct DiveList dive_list;
 
 /*
  * The dive list has the dive data in both string format (for showing)
  */
 enum {
        DIVE_INDEX = 0,
+       DIVE_NR,                /* int: dive->nr */
        DIVE_DATE,              /* time_t: dive->when */
        DIVE_DEPTH,             /* int: dive->maxdepth in mm */
        DIVE_DURATION,          /* int: in seconds */
-       DIVE_LOCATION,          /* "2nd Cathedral, Lanai" */
        DIVE_TEMPERATURE,       /* int: in mkelvin */
        DIVE_CYLINDER,
        DIVE_NITROX,            /* int: in permille */
        DIVE_SAC,               /* int: in ml/min */
+       DIVE_OTU,               /* int: in OTUs */
+       DIVE_LOCATION,          /* "2nd Cathedral, Lanai" */
        DIVELIST_COLUMNS
 };
 
+static GList *selected_dives;
 
 static void selection_cb(GtkTreeSelection *selection, GtkTreeModel *model)
 {
        GtkTreeIter iter;
        GValue value = {0, };
+       GtkTreePath *path;
 
-       if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
-               return;
+       int nr_selected = gtk_tree_selection_count_selected_rows(selection);
 
-       gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
-       selected_dive = g_value_get_int(&value);
-       repaint_dive();
-}
-
-static const char *weekday(int wday)
-{
-       static const char wday_array[7][4] = {
-               "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-       };
-       return wday_array[wday];
-}
+       if (selected_dives) {
+               g_list_foreach (selected_dives, (GFunc) gtk_tree_path_free, NULL);
+               g_list_free (selected_dives);
+       }
+       selected_dives = gtk_tree_selection_get_selected_rows(selection, NULL);
 
-static const char *monthname(int mon)
-{
-       static const char month_array[12][4] = {
-               "Jan", "Feb", "Mar", "Apr", "May", "Jun",
-               "Jul", "Aug", "Oct", "Sep", "Nov", "Dec",
-       };
-       return month_array[mon];
+       switch (nr_selected) {
+       case 0: /* keep showing the last selected dive */
+               return;
+       case 1: 
+               /* just pick that dive as selected */
+               path = g_list_nth_data(selected_dives, 0);
+               if (gtk_tree_model_get_iter(model, &iter, path)) {
+                       gtk_tree_model_get_value(model, &iter, DIVE_INDEX, &value);
+                       selected_dive = g_value_get_int(&value);
+                       repaint_dive();
+               }
+               return;
+       default: /* multiple selections - what now? At this point I
+                 * don't want to change the selected dive unless
+                 * there is exactly one dive selected; not sure this
+                 * is the most intuitive solution.
+                 * I do however want to keep around which dives have
+                 * been selected */
+               return;
+       }
 }
 
 static void date_data_func(GtkTreeViewColumn *col,
@@ -189,7 +223,6 @@ static void sac_data_func(GtkTreeViewColumn *col,
                          gpointer data)
 {
        int value;
-       const double liters_per_cuft = 28.317;
        const char *fmt;
        char buffer[16];
        double sac;
@@ -204,11 +237,11 @@ static void sac_data_func(GtkTreeViewColumn *col,
        sac = value / 1000.0;
        switch (output_units.volume) {
        case LITER:
-               fmt = "%4.0f";
+               fmt = "%4.1f";
                break;
        case CUFT:
                fmt = "%4.2f";
-               sac /= liters_per_cuft;
+               sac = ml_to_cuft(sac * 1000);
                break;
        }
        snprintf(buffer, sizeof(buffer), fmt, sac);
@@ -216,6 +249,47 @@ static void sac_data_func(GtkTreeViewColumn *col,
        g_object_set(renderer, "text", buffer, NULL);
 }
 
+/* Render the OTU data (integer value of "OTU") */
+static void otu_data_func(GtkTreeViewColumn *col,
+                         GtkCellRenderer *renderer,
+                         GtkTreeModel *model,
+                         GtkTreeIter *iter,
+                         gpointer data)
+{
+       int value;
+       char buffer[16];
+
+       gtk_tree_model_get(model, iter, DIVE_OTU, &value, -1);
+
+       if (!value) {
+               g_object_set(renderer, "text", "", NULL);
+               return;
+       }
+
+       snprintf(buffer, sizeof(buffer), "%d", value);
+
+       g_object_set(renderer, "text", buffer, NULL);
+}
+
+/* calculate OTU for a dive */
+static int calculate_otu(struct dive *dive)
+{
+       int i;
+       double otu = 0.0;
+
+       for (i = 1; i < dive->samples; i++) {
+               int t;
+               double po2;
+               struct sample *sample = dive->sample + i;
+               struct sample *psample = sample - 1;
+               t = sample->time.seconds - psample->time.seconds;
+               po2 = dive->cylinder[sample->cylinderindex].gasmix.o2.permille / 1000.0 *
+                       (sample->depth.mm + 10000) / 10000.0;
+               if (po2 >= 0.5)
+                       otu += pow(po2 - 0.5, 0.83) * t / 30.0;
+       }
+       return otu + 0.5;
+}
 /*
  * Return air usage (in liters).
  */
@@ -225,6 +299,7 @@ static double calculate_airuse(struct dive *dive)
        int i;
 
        for (i = 0; i < MAX_CYLINDERS; i++) {
+               pressure_t start, end;
                cylinder_t *cyl = dive->cylinder + i;
                int size = cyl->type.size.mliter;
                double kilo_atm;
@@ -232,7 +307,9 @@ static double calculate_airuse(struct dive *dive)
                if (!size)
                        continue;
 
-               kilo_atm = (cyl->start.mbar - cyl->end.mbar) / 1013250.0;
+               start = cyl->start.mbar ? cyl->start : cyl->sample_start;
+               end = cyl->end.mbar ? cyl->end : cyl->sample_end;
+               kilo_atm = (to_ATM(start) - to_ATM(end)) / 1000.0;
 
                /* Liters of air at 1 atm == milliliters at 1k atm*/
                airuse += kilo_atm * size;
@@ -240,23 +317,30 @@ static double calculate_airuse(struct dive *dive)
        return airuse;
 }
 
-static void get_sac(struct dive *dive, int *val)
+static int calculate_sac(struct dive *dive)
 {
        double airuse, pressure, sac;
 
-       *val = 0;
        airuse = calculate_airuse(dive);
        if (!airuse)
-               return;
+               return 0;
        if (!dive->duration.seconds)
-               return;
+               return 0;
 
        /* Mean pressure in atm: 1 atm per 10m */
        pressure = 1 + (dive->meandepth.mm / 10000.0);
        sac = airuse / pressure * 60 / dive->duration.seconds;
 
        /* milliliters per minute.. */
-       *val = sac * 1000;
+       return sac * 1000;
+}
+
+void update_cylinder_related_info(struct dive *dive)
+{
+       if (dive != NULL) {
+               dive->sac = calculate_sac(dive);
+               dive->otu = calculate_otu(dive);
+       }
 }
 
 static void get_string(char **str, const char *s)
@@ -267,8 +351,8 @@ static void get_string(char **str, const char *s)
        if (!s)
                s = "";
        len = strlen(s);
-       if (len > 16)
-               len = 16;
+       if (len > 60)
+               len = 60;
        n = malloc(len+1);
        memcpy(n, s, len);
        n[len] = 0;
@@ -289,21 +373,21 @@ static void fill_one_dive(struct dive *dive,
                          GtkTreeModel *model,
                          GtkTreeIter *iter)
 {
-       int sac;
        char *location, *cylinder;
 
        get_cylinder(dive, &cylinder);
        get_location(dive, &location);
-       get_sac(dive, &sac);
 
        /*
         * We only set the fields that changed: the strings.
         * The core data itself is unaffected by units
         */
        gtk_list_store_set(GTK_LIST_STORE(model), iter,
+               DIVE_NR, dive->number,
                DIVE_LOCATION, location,
                DIVE_CYLINDER, cylinder,
-               DIVE_SAC, sac,
+               DIVE_SAC, dive->sac,
+               DIVE_OTU, dive->otu,
                -1);
 }
 
@@ -327,45 +411,61 @@ static gboolean set_one_dive(GtkTreeModel *model,
        return dive == data;
 }
 
-void flush_divelist(struct DiveList *dive_list, struct dive *dive)
+void flush_divelist(struct dive *dive)
 {
-       GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
+       GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
 
        gtk_tree_model_foreach(model, set_one_dive, dive);
 }
 
-void update_dive_list_units(struct DiveList *dive_list)
+void set_divelist_font(const char *font)
+{
+       PangoFontDescription *font_desc = pango_font_description_from_string(font);
+       gtk_widget_modify_font(dive_list.tree_view, font_desc);
+       pango_font_description_free(font_desc);
+}
+
+void update_dive_list_units(void)
 {
        const char *unit;
-       GtkTreeModel *model = GTK_TREE_MODEL(dive_list->model);
+       GtkTreeModel *model = GTK_TREE_MODEL(dive_list.model);
 
-       switch (output_units.length) {
-       case METERS:
-               unit = "m";
-               break;
-       case FEET:
-               unit = "ft";
-               break;
-       }
-       gtk_tree_view_column_set_title(dive_list->depth, unit);
+       (void) get_depth_units(0, NULL, &unit);
+       gtk_tree_view_column_set_title(dive_list.depth, unit);
+
+       (void) get_temp_units(0, &unit);
+       gtk_tree_view_column_set_title(dive_list.temperature, unit);
 
        gtk_tree_model_foreach(model, set_one_dive, NULL);
 }
 
-static void fill_dive_list(struct DiveList *dive_list)
+void update_dive_list_col_visibility(void)
+{
+       gtk_tree_view_column_set_visible(dive_list.cylinder, visible_cols.cylinder);
+       gtk_tree_view_column_set_visible(dive_list.temperature, visible_cols.temperature);
+       gtk_tree_view_column_set_visible(dive_list.nitrox, visible_cols.nitrox);
+       gtk_tree_view_column_set_visible(dive_list.sac, visible_cols.sac);
+       gtk_tree_view_column_set_visible(dive_list.otu, visible_cols.otu);
+       return;
+}
+
+static void fill_dive_list(void)
 {
        int i;
        GtkTreeIter iter;
        GtkListStore *store;
 
-       store = GTK_LIST_STORE(dive_list->model);
+       store = GTK_LIST_STORE(dive_list.model);
 
-       for (i = 0; i < dive_table.nr; i++) {
+       i = dive_table.nr;
+       while (--i >= 0) {
                struct dive *dive = dive_table.dives[i];
 
+               update_cylinder_related_info(dive);
                gtk_list_store_append(store, &iter);
                gtk_list_store_set(store, &iter,
                        DIVE_INDEX, i,
+                       DIVE_NR, dive->number,
                        DIVE_DATE, dive->when,
                        DIVE_DEPTH, dive->maxdepth,
                        DIVE_DURATION, dive->duration.seconds,
@@ -376,91 +476,99 @@ static void fill_dive_list(struct DiveList *dive_list)
                        -1);
        }
 
-       update_dive_list_units(dive_list);
+       update_dive_list_units();
+       if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(dive_list.model), &iter)) {
+               GtkTreeSelection *selection;
+               selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
+               gtk_tree_selection_select_iter(selection, &iter);
+       }
 }
 
-void dive_list_update_dives(struct DiveList dive_list)
+void dive_list_update_dives(void)
 {
        gtk_list_store_clear(GTK_LIST_STORE(dive_list.model));
-       fill_dive_list(&dive_list);
+       fill_dive_list();
        repaint_dive();
 }
 
-typedef void (*data_func_t)(GtkTreeViewColumn *col,
-                           GtkCellRenderer *renderer,
-                           GtkTreeModel *model,
-                           GtkTreeIter *iter,
-                           gpointer data);
-
 static GtkTreeViewColumn *divelist_column(struct DiveList *dl, int index, const char *title,
-               data_func_t data_func, int align_right)
+                               data_func_t data_func, PangoAlignment align, gboolean visible)
 {
-       GtkCellRenderer *renderer;
-       GtkTreeViewColumn *col;
-
-       renderer = gtk_cell_renderer_text_new();
-       col = gtk_tree_view_column_new();
-
-       gtk_tree_view_column_set_title(col, title);
-       gtk_tree_view_column_set_sort_column_id(col, DIVE_DATE);
-       gtk_tree_view_column_set_resizable(col, TRUE);
-       gtk_tree_view_column_pack_start(col, renderer, TRUE);
-       if (data_func)
-               gtk_tree_view_column_set_cell_data_func(col, renderer, data_func, NULL, NULL);
-       else
-               gtk_tree_view_column_add_attribute(col, renderer, "text", index);
-       if (align_right) {
-               gtk_object_set(GTK_OBJECT(renderer), "alignment", PANGO_ALIGN_RIGHT, NULL);
-               gtk_cell_renderer_set_alignment(GTK_CELL_RENDERER(renderer), 1.0, 0.5);
-       }
-       gtk_tree_view_append_column(GTK_TREE_VIEW(dl->tree_view), col);
-       return col;
+       return tree_view_column(dl->tree_view, index, title, data_func, align, visible);
 }
 
-struct DiveList dive_list_create(void)
+/*
+ * This is some crazy crap. The only way to get default focus seems
+ * to be to grab focus as the widget is being shown the first time.
+ */
+static void realize_cb(GtkWidget *tree_view, gpointer userdata)
+{
+       gtk_widget_grab_focus(tree_view);
+}
+
+GtkWidget *dive_list_create(void)
 {
-       struct DiveList    dive_list;
        GtkTreeSelection  *selection;
 
        dive_list.model = gtk_list_store_new(DIVELIST_COLUMNS,
                                G_TYPE_INT,                     /* index */
+                               G_TYPE_INT,                     /* nr */
                                G_TYPE_INT,                     /* Date */
                                G_TYPE_INT,                     /* Depth */
                                G_TYPE_INT,                     /* Duration */
-                               G_TYPE_STRING,                  /* Location */
                                G_TYPE_INT,                     /* Temperature */
                                G_TYPE_STRING,                  /* Cylinder */
                                G_TYPE_INT,                     /* Nitrox */
-                               G_TYPE_INT                      /* SAC */
+                               G_TYPE_INT,                     /* SAC */
+                               G_TYPE_INT,                     /* OTU */
+                               G_TYPE_STRING                   /* Location */
                                );
        dive_list.tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(dive_list.model));
+       set_divelist_font(divelist_font);
+
        selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dive_list.tree_view));
 
-       gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_BROWSE);
+       gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
        gtk_widget_set_size_request(dive_list.tree_view, 200, 200);
 
-       dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, 0);
-       dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "ft", depth_data_func, 1);
-       dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, 1);
-       dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, 0);
-       dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, "deg", temperature_data_func, 1);
-       dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, 0);
-       dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O2%", nitrox_data_func, 1);
-       dive_list.sac = divelist_column(&dive_list, DIVE_NITROX, "SAC", sac_data_func, 1);
+       dive_list.nr = divelist_column(&dive_list, DIVE_NR, "#", NULL, PANGO_ALIGN_RIGHT, TRUE);
+       gtk_tree_view_column_set_sort_column_id(dive_list.nr, -1);
+       dive_list.date = divelist_column(&dive_list, DIVE_DATE, "Date", date_data_func, PANGO_ALIGN_LEFT, TRUE);
+       dive_list.depth = divelist_column(&dive_list, DIVE_DEPTH, "ft", depth_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, PANGO_ALIGN_RIGHT, TRUE);
+       dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, UTF8_DEGREE "F", temperature_data_func, PANGO_ALIGN_RIGHT, visible_cols.temperature);
+       dive_list.cylinder = divelist_column(&dive_list, DIVE_CYLINDER, "Cyl", NULL, PANGO_ALIGN_CENTER, visible_cols.cylinder);
+       dive_list.nitrox = divelist_column(&dive_list, DIVE_NITROX, "O" UTF8_SUBSCRIPT_2 "%", nitrox_data_func, PANGO_ALIGN_CENTER, visible_cols.nitrox);
+       dive_list.sac = divelist_column(&dive_list, DIVE_SAC, "SAC", sac_data_func, PANGO_ALIGN_CENTER, visible_cols.sac);
+       dive_list.otu = divelist_column(&dive_list, DIVE_OTU, "OTU", otu_data_func, PANGO_ALIGN_CENTER, visible_cols.otu);
+       dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, PANGO_ALIGN_LEFT, TRUE);
 
-       fill_dive_list(&dive_list);
+       fill_dive_list();
 
        g_object_set(G_OBJECT(dive_list.tree_view), "headers-visible", TRUE,
-                                         "search-column", 0,
+                                         "search-column", DIVE_LOCATION,
                                          "rules-hint", TRUE,
                                          NULL);
 
+       g_signal_connect_after(dive_list.tree_view, "realize", G_CALLBACK(realize_cb), NULL);
        g_signal_connect(selection, "changed", G_CALLBACK(selection_cb), dive_list.model);
 
        dive_list.container_widget = gtk_scrolled_window_new(NULL, NULL);
        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dive_list.container_widget),
-                              GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+                              GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
        gtk_container_add(GTK_CONTAINER(dive_list.container_widget), dive_list.tree_view);
 
-       return dive_list;
+       dive_list.changed = 0;
+
+       return dive_list.container_widget;
+}
+
+void mark_divelist_changed(int changed)
+{
+       dive_list.changed = changed;
+}
+
+int unsaved_changes()
+{
+       return dive_list.changed;
 }