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-rw-r--r--src/redshift.c179
1 files changed, 113 insertions, 66 deletions
diff --git a/src/redshift.c b/src/redshift.c
index 8f39260..c022224 100644
--- a/src/redshift.c
+++ b/src/redshift.c
@@ -14,7 +14,7 @@
You should have received a copy of the GNU General Public License
along with Redshift. If not, see <http://www.gnu.org/licenses/>.
- Copyright (c) 2009 Jon Lund Steffensen <jonlst@gmail.com>
+ Copyright (c) 2010 Jon Lund Steffensen <jonlst@gmail.com>
*/
#ifdef HAVE_CONFIG_H
@@ -30,6 +30,9 @@
#include <locale.h>
#include <sys/signal.h>
+#include <libintl.h>
+#define _(s) gettext(s)
+
#include "solar.h"
@@ -84,30 +87,6 @@ typedef union {
#define TRANSITION_HIGH 3.0
-/* Help and usage messages */
-#define USAGE \
- "Usage: %s -l LAT:LON -t DAY:NIGHT [OPTIONS...]\n"
-#define HELP \
- USAGE \
- " " PACKAGE_STRING "\n" \
- " Set color temperature of display according to time of day.\n" \
- " -g R:G:B\tAdditional gamma correction to apply\n" \
- " -h\t\tDisplay this help message\n" \
- " -l LAT:LON\tYour current location\n" \
- " -m METHOD\tMethod to use to set color temperature" \
- " (randr or vidmode)\n" \
- " -o\t\tOne shot mode (do not continously adjust" \
- " color temperature)\n" \
- " -r\t\tDisable initial temperature transition\n" \
- " -s SCREEN\tX screen to apply adjustments to\n" \
- " -t DAY:NIGHT\tColor temperature to set at daytime/night\n" \
- " -v\t\tVerbose output\n" \
- "Please report bugs to <" PACKAGE_BUGREPORT ">\n"
-
-/* DEGREE SIGN is Unicode U+00b0 */
-#define DEG_CHAR 0xb0
-
-
static volatile sig_atomic_t exiting = 0;
static volatile sig_atomic_t disable = 0;
@@ -190,35 +169,81 @@ calculate_temp(double elevation, int temp_day, int temp_night,
int temp = 0;
if (elevation < TRANSITION_LOW) {
temp = temp_night;
- if (verbose) printf("Period: Night\n");
+ if (verbose) printf(_("Period: Night\n"));
} else if (elevation < TRANSITION_HIGH) {
/* Transition period: interpolate */
float a = (TRANSITION_LOW - elevation) /
(TRANSITION_LOW - TRANSITION_HIGH);
temp = (1.0-a)*temp_night + a*temp_day;
if (verbose) {
- printf("Period: Transition (%.2f%% day)\n", a*100);
+ printf(_("Period: Transition (%.2f%% day)\n"), a*100);
}
} else {
temp = temp_day;
- if (verbose) printf("Period: Daytime\n");
+ if (verbose) printf(_("Period: Daytime\n"));
}
return temp;
}
+static void
+print_help(const char *program_name)
+{
+ /* TRANSLATORS: --help output 1
+ LAT is latitude, LON is longitude,
+ DAY is temperature at daytime,
+ NIGHT is temperature at night
+ no-wrap */
+ printf(_("Usage: %s -l LAT:LON -t DAY:NIGHT [OPTIONS...]\n"),
+ program_name);
+ fputs("\n", stdout);
+
+ /* TRANSLATORS: --help output 2
+ no-wrap */
+ fputs(_("Set color temperature of display"
+ " according to time of day.\n"), stdout);
+ fputs("\n", stdout);
+
+ /* TRANSLATORS: --help output 3
+ no-wrap */
+ fputs(_(" -h\t\tDisplay this help message\n"
+ " -v\t\tVerbose output\n"), stdout);
+ fputs("\n", stdout);
+
+ /* TRANSLATORS: --help output 4
+ no-wrap */
+ fputs(_(" -g R:G:B\tAdditional gamma correction to apply\n"
+ " -l LAT:LON\tYour current location\n"
+ " -m METHOD\tMethod to use to set color temperature"
+ " (randr or vidmode)\n"
+ " -o\t\tOne shot mode (do not continously adjust"
+ " color temperature)\n"
+ " -r\t\tDisable initial temperature transition\n"
+ " -s SCREEN\tX screen to apply adjustments to\n"
+ " -t DAY:NIGHT\tColor temperature to set at daytime/night\n"),
+ stdout);
+ fputs("\n", stdout);
+
+ /* TRANSLATORS: --help output 5 */
+ printf("Please report bugs to <%s>\n", PACKAGE_BUGREPORT);
+}
+
+
int
main(int argc, char *argv[])
{
int r;
- /* Init locale for degree symbol. */
- char *loc = setlocale(LC_CTYPE, "");
- if (loc == NULL) {
- fprintf(stderr, "Unable to set locale.\n");
- exit(EXIT_FAILURE);
- }
+ /* Init locale */
+ setlocale(LC_CTYPE, "");
+ setlocale(LC_MESSAGES, "");
+
+#ifdef ENABLE_NLS
+ /* Internationalisation */
+ bindtextdomain("redshift", "/usr/share/locale");
+ textdomain("redshift");
+#endif
/* Initialize to defaults */
float lat = NAN;
@@ -250,7 +275,10 @@ main(int argc, char *argv[])
char *g_s = s;
s = strchr(s, ':');
if (s == NULL) {
- fprintf(stderr, USAGE, argv[0]);
+ fputs(_("Malformed gamma argument.\n"),
+ stderr);
+ fputs(_("Try `--help' for more"
+ " information.\n"), stderr);
exit(EXIT_FAILURE);
}
@@ -260,13 +288,16 @@ main(int argc, char *argv[])
}
break;
case 'h':
- printf(HELP, argv[0]);
+ print_help(argv[0]);
exit(EXIT_SUCCESS);
break;
case 'l':
s = strchr(optarg, ':');
if (s == NULL) {
- fprintf(stderr, USAGE, argv[0]);
+ fputs(_("Malformed location argument.\n"),
+ stderr);
+ fputs(_("Try `--help' for more"
+ " information.\n"), stderr);
exit(EXIT_FAILURE);
}
*(s++) = '\0';
@@ -279,8 +310,9 @@ main(int argc, char *argv[])
#ifdef ENABLE_RANDR
use_randr = 1;
#else
- fprintf(stderr, "RANDR method was not"
- " enabled at compile time.\n");
+ fputs(_("RANDR method was not"
+ " enabled at compile time.\n"),
+ stderr);
exit(EXIT_FAILURE);
#endif
} else if (strcmp(optarg, "vidmode") == 0 ||
@@ -288,12 +320,15 @@ main(int argc, char *argv[])
#ifdef ENABLE_VIDMODE
use_randr = 0;
#else
- fprintf(stderr, "VidMode method was not"
- " enabled at compile time.\n");
+ fputs(_("VidMode method was not"
+ " enabled at compile time.\n"),
+ stderr);
exit(EXIT_FAILURE);
#endif
} else {
- fprintf(stderr, "Unknown method `%s'.\n",
+ /* TRANSLATORS: This refers to the method
+ used to adjust colors e.g VidMode */
+ fprintf(stderr, _("Unknown method `%s'.\n"),
optarg);
exit(EXIT_FAILURE);
}
@@ -310,7 +345,10 @@ main(int argc, char *argv[])
case 't':
s = strchr(optarg, ':');
if (s == NULL) {
- fprintf(stderr, USAGE, argv[0]);
+ fputs(_("Malformed temperature argument.\n"),
+ stderr);
+ fputs(_("Try `--help' for more"
+ " information.\n"), stderr);
exit(EXIT_FAILURE);
}
*(s++) = '\0';
@@ -321,7 +359,9 @@ main(int argc, char *argv[])
verbose = 1;
break;
default:
- fprintf(stderr, USAGE, argv[0]);
+ fprintf(stderr, _("Unknown parameter `%c'.\n"), opt);
+ fputs(_("Try `--help' for more"
+ " information.\n"), stderr);
exit(EXIT_FAILURE);
break;
}
@@ -329,42 +369,47 @@ main(int argc, char *argv[])
/* Latitude and longitude must be set */
if (isnan(lat) || isnan(lon)) {
- fprintf(stderr, USAGE, argv[0]);
- fprintf(stderr, "Latitude and longitude must be set.\n");
+ fputs(_("Latitude and longitude must be set.\n"), stderr);
+ fputs(_("Try `--help' for more"
+ " information.\n"), stderr);
exit(EXIT_FAILURE);
}
if (verbose) {
- printf("Location: %f%lc, %f%lc\n",
- lat, DEG_CHAR, lon, DEG_CHAR);
+ /* TRANSLATORS: Append degree symbols if possible. */
+ printf(_("Location: %f, %f\n"), lat, lon);
}
/* Latitude */
if (lat < MIN_LAT || lat > MAX_LAT) {
+ /* TRANSLATORS: Append degree symbols if possible. */
fprintf(stderr,
- "Latitude must be between %.1f%lc and %.1f%lc.\n",
- MIN_LAT, DEG_CHAR, MAX_LAT, DEG_CHAR);
+ _("Latitude must be between %.1f and %.1f.\n"),
+ MIN_LAT, MAX_LAT);
exit(EXIT_FAILURE);
}
/* Longitude */
if (lon < MIN_LON || lon > MAX_LON) {
+ /* TRANSLATORS: Append degree symbols if possible. */
fprintf(stderr,
- "Longitude must be between %.1f%lc and %.1f%lc.\n",
- MIN_LON, DEG_CHAR, MAX_LON, DEG_CHAR);
+ _("Longitude must be between %.1f and %.1f.\n"),
+ MIN_LON, MAX_LON);
exit(EXIT_FAILURE);
}
/* Color temperature at daytime */
if (temp_day < MIN_TEMP || temp_day >= MAX_TEMP) {
- fprintf(stderr, "Temperature must be between %uK and %uK.\n",
+ fprintf(stderr,
+ _("Temperature must be between %uK and %uK.\n"),
MIN_TEMP, MAX_TEMP);
exit(EXIT_FAILURE);
}
/* Color temperature at night */
if (temp_night < MIN_TEMP || temp_night >= MAX_TEMP) {
- fprintf(stderr, "Temperature must be between %uK and %uK.\n",
+ fprintf(stderr,
+ _("Temperature must be between %uK and %uK.\n"),
MIN_TEMP, MAX_TEMP);
exit(EXIT_FAILURE);
}
@@ -373,13 +418,14 @@ main(int argc, char *argv[])
if (gamma[0] < MIN_GAMMA || gamma[0] > MAX_GAMMA ||
gamma[1] < MIN_GAMMA || gamma[1] > MAX_GAMMA ||
gamma[2] < MIN_GAMMA || gamma[2] > MAX_GAMMA) {
- fprintf(stderr, "Gamma value must be between %.1f and %.1f.\n",
+ fprintf(stderr,
+ _("Gamma value must be between %.1f and %.1f.\n"),
MIN_GAMMA, MAX_GAMMA);
exit(EXIT_FAILURE);
}
if (verbose) {
- printf("Gamma: %.3f, %.3f, %.3f\n",
+ printf(_("Gamma: %.3f, %.3f, %.3f\n"),
gamma[0], gamma[1], gamma[2]);
}
@@ -391,9 +437,9 @@ main(int argc, char *argv[])
/* Initialize RANDR state */
r = randr_init(&state.randr, screen_num);
if (r < 0) {
- fprintf(stderr, "Initialization of RANDR failed.\n");
+ fputs(_("Initialization of RANDR failed.\n"), stderr);
if (use_randr < 0) {
- fprintf(stderr, "Trying other method...\n");
+ fputs(_("Trying other method...\n"), stderr);
} else {
exit(EXIT_FAILURE);
}
@@ -408,7 +454,8 @@ main(int argc, char *argv[])
/* Initialize VidMode state */
r = vidmode_init(&state.vidmode, screen_num);
if (r < 0) {
- fprintf(stderr, "Initialization of VidMode failed.\n");
+ fputs(_("Initialization of VidMode failed.\n"),
+ stderr);
exit(EXIT_FAILURE);
} else {
use_randr = 0;
@@ -429,21 +476,21 @@ main(int argc, char *argv[])
double elevation = solar_elevation(now, lat, lon);
if (verbose) {
- printf("Solar elevation: %f%lc\n", elevation,
- DEG_CHAR);
+ /* TRANSLATORS: Append degree symbol if possible. */
+ printf(_("Solar elevation: %f\n"), elevation);
}
/* Use elevation of sun to set color temperature */
int temp = calculate_temp(elevation, temp_day, temp_night,
verbose);
- if (verbose) printf("Color temperature: %uK\n", temp);
+ if (verbose) printf(_("Color temperature: %uK\n"), temp);
/* Adjust temperature */
r = gamma_state_set_temperature(&state, use_randr,
temp, gamma);
if (r < 0) {
- fprintf(stderr, "Temperature adjustment failed.\n");
+ fputs(_("Temperature adjustment failed.\n"), stderr);
gamma_state_free(&state, use_randr);
exit(EXIT_FAILURE);
}
@@ -599,7 +646,7 @@ main(int argc, char *argv[])
if (done && !short_trans) break;
if (verbose) {
- printf("Temperature: %iK\n", temp);
+ printf(_("Color temperature: %uK\n"), temp);
}
/* Adjust temperature */
@@ -608,8 +655,8 @@ main(int argc, char *argv[])
use_randr,
temp, gamma);
if (r < 0) {
- fprintf(stderr, "Temperature"
- " adjustment failed.\n");
+ fputs(_("Temperature adjustment"
+ " failed.\n"), stderr);
gamma_state_free(&state, use_randr);
exit(EXIT_FAILURE);
}
generated by cgit v1.2.3-70-g09d2 (git 2.48.0) at 2025-04-06 02:58:03 +0000