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Update preference saving for numeric values

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This does the "don't save defaults" for numeric values too.

Also, move the preferences loading/saving to a new "prefs.c" file.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2013-01-11 10:14:10 -08:00 • committed by Dirk Hohndel
parent c4ae58d589
commit e8a896b64d
5 changed files with 173 additions and 118 deletions
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160
prefs.c Normal file
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#include "dive.h"
static void set_bool_conf(char *name, gboolean value, gboolean def)
{
if (value == def) {
subsurface_unset_conf(name);
return;
}
subsurface_set_conf_bool(name, value);
}
#define __SAVE_BOOLEAN(name, field, value) \
set_bool_conf(name, prefs.field == value, default_prefs.field == value)
#define SAVE_UNIT(name, field, value) __SAVE_BOOLEAN(name, units.field, value)
#define SAVE_BOOL(name, field) __SAVE_BOOLEAN(name, field, TRUE)
/* We don't really save doubles */
static void save_double_conf(char *name, double _val, double _def)
{
int val = rint(_val * 100), neg, len;
int def = rint(_def * 100);
char string[16];
if (val == def) {
subsurface_unset_conf(name);
return;
}
neg = 0;
if (val < 0) {
neg = 1;
val = -val;
}
len = snprintf(string, sizeof(string), "%s%d.%02d",
neg ? "-" : "", val / 100, val % 100);
/* Save with 0-2 decimals */
if (string[len-1] == '0') {
len--;
if (string[len-1] == '0')
len -= 2; /* Remove decimal point too */
string[len] = 0;
}
subsurface_set_conf(name, string);
}
#define SAVE_DOUBLE(name, field) save_double_conf(name, prefs.field, default_prefs.field)
#define SAVE_PERCENT(name, field) save_double_conf(name, prefs.field*100, default_prefs.field*100)
void save_preferences(void)
{
SAVE_UNIT("feet", length, FEET);
SAVE_UNIT("psi", pressure, PSI);
SAVE_UNIT("cuft", volume, CUFT);
SAVE_UNIT("fahrenheit", temperature, FAHRENHEIT);
SAVE_UNIT("lbs", weight, LBS);
SAVE_BOOL("TEMPERATURE", visible_cols.temperature);
SAVE_BOOL("TOTALWEIGHT", visible_cols.totalweight);
SAVE_BOOL("SUIT", visible_cols.suit);
SAVE_BOOL("CYLINDER", visible_cols.cylinder);
SAVE_BOOL("NITROX", visible_cols.nitrox);
SAVE_BOOL("SAC", visible_cols.sac);
SAVE_BOOL("OTU", visible_cols.otu);
SAVE_BOOL("MAXCNS", visible_cols.maxcns);
subsurface_set_conf("divelist_font", divelist_font);
SAVE_BOOL("po2graph", pp_graphs.po2);
SAVE_BOOL("pn2graph", pp_graphs.pn2);
SAVE_BOOL("phegraph", pp_graphs.phe);
SAVE_DOUBLE("po2threshold", pp_graphs.po2_threshold);
SAVE_DOUBLE("pn2threshold", pp_graphs.pn2_threshold);
SAVE_DOUBLE("phethreshold", pp_graphs.phe_threshold);
SAVE_BOOL("redceiling", profile_red_ceiling);
SAVE_BOOL("calcceiling", profile_calc_ceiling);
SAVE_BOOL("calcceiling3m", calc_ceiling_3m_incr);
SAVE_PERCENT("gflow", gflow);
SAVE_PERCENT("gfhigh", gfhigh);
subsurface_set_conf("default_filename", default_filename);
/* Flush the changes out to the system */
subsurface_flush_conf();
}
static gboolean get_bool(char *name, gboolean def)
{
int val = subsurface_get_conf_bool(name);
if (val < 0)
return def;
return val;
}
#define GET_UNIT(name, field, f, t) \
prefs.units.field = get_bool(name, default_prefs.units.field) ? (t) : (f)
#define GET_BOOL(name, field) \
prefs.field = get_bool(name, default_prefs.field)
void load_preferences(void)
{
const char *conf_value;
GET_UNIT("feet", length, METERS, FEET);
GET_UNIT("psi", pressure, BAR, PSI);
GET_UNIT("cuft", volume, LITER, CUFT);
GET_UNIT("fahrenheit", temperature, CELSIUS, FAHRENHEIT);
GET_UNIT("lbs", weight, KG, LBS);
/* an unset key is 'default' */
GET_BOOL("CYLINDER", visible_cols.cylinder);
GET_BOOL("TEMPERATURE", visible_cols.temperature);
GET_BOOL("TOTALWEIGHT", visible_cols.totalweight);
GET_BOOL("SUIT", visible_cols.suit);
GET_BOOL("NITROX", visible_cols.nitrox);
GET_BOOL("OTU", visible_cols.otu);
GET_BOOL("MAXCNS", visible_cols.maxcns);
GET_BOOL("SAC", visible_cols.sac);
GET_BOOL("po2graph", pp_graphs.po2);
GET_BOOL("pn2graph", pp_graphs.pn2);
GET_BOOL("phegraph", pp_graphs.phe);
conf_value = subsurface_get_conf("po2threshold");
if (conf_value) {
sscanf(conf_value, "%lf", &prefs.pp_graphs.po2_threshold);
free((void *)conf_value);
}
conf_value = subsurface_get_conf("pn2threshold");
if (conf_value) {
sscanf(conf_value, "%lf", &prefs.pp_graphs.pn2_threshold);
free((void *)conf_value);
}
conf_value = subsurface_get_conf("phethreshold");
if (conf_value) {
sscanf(conf_value, "%lf", &prefs.pp_graphs.phe_threshold);
free((void *)conf_value);
}
GET_BOOL("redceiling", profile_red_ceiling);
GET_BOOL("calcceiling", profile_calc_ceiling);
GET_BOOL("calcceiling3m", calc_ceiling_3m_incr);
conf_value = subsurface_get_conf("gflow");
if (conf_value) {
sscanf(conf_value, "%lf", &prefs.gflow);
prefs.gflow /= 100.0;
set_gf(prefs.gflow, -1.0);
free((void *)conf_value);
}
conf_value = subsurface_get_conf("gfhigh");
if (conf_value) {
sscanf(conf_value, "%lf", &prefs.gfhigh);
prefs.gfhigh /= 100.0;
set_gf(-1.0, prefs.gfhigh);
free((void *)conf_value);
}
divelist_font = subsurface_get_conf("divelist_font");
default_filename = subsurface_get_conf("default_filename");
}