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volume: fix colors (+param struct)

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This commit is contained in:
Michael Stapelberg 2021-11-02 21:11:06 +01:00
parent b20491cb6b
commit ffedf14066
3 changed files with 57 additions and 36 deletions
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16
i3status.c
View File

@ -820,11 +820,17 @@ int main(int argc, char *argv[]) {
CASE_SEC_TITLE("volume") {
SEC_OPEN_MAP("volume");
print_volume(json_gen, buffer, cfg_getstr(sec, "format"),
cfg_getstr(sec, "format_muted"),
cfg_getstr(sec, "device"),
cfg_getstr(sec, "mixer"),
cfg_getint(sec, "mixer_idx"));
volume_ctx_t ctx = {
.json_gen = json_gen,
.buf = buffer,
.buflen = sizeof(buffer),
.fmt = cfg_getstr(sec, "format"),
.fmt_muted = cfg_getstr(sec, "format_muted"),
.device = cfg_getstr(sec, "device"),
.mixer = cfg_getstr(sec, "mixer"),
.mixer_idx = cfg_getint(sec, "mixer_idx"),
};
print_volume(&ctx);
SEC_CLOSE_MAP;
}

15
include/i3status.h
View File

@ -326,7 +326,20 @@ void print_eth_info(eth_info_ctx_t *ctx);
void print_load(yajl_gen json_gen, char *buffer, const char *format, const char *format_above_threshold, const float max_threshold);
void print_memory(yajl_gen json_gen, char *buffer, const char *format, const char *format_degraded, const char *threshold_degraded, const char *threshold_critical, const char *memory_used_method, const char *unit, const int decimals);
void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx);
typedef struct {
yajl_gen json_gen;
char *buf;
const size_t buflen;
const char *fmt;
const char *fmt_muted;
const char *device;
const char *mixer;
int mixer_idx;
} volume_ctx_t;
void print_volume(volume_ctx_t *ctx);
bool process_runs(const char *path);
int volume_pulseaudio(uint32_t sink_idx, const char *sink_name);
bool description_pulseaudio(uint32_t sink_idx, const char *sink_name, char buffer[MAX_SINK_DESCRIPTION_LEN]);

62
src/print_volume.c
View File

@ -47,10 +47,10 @@
fprintf(stderr, "i3status: ALSA: " #channel "_switch: %s\n", snd_strerror(err)); \
if (!pbval) { \
START_COLOR("color_degraded"); \
fmt = fmt_muted; \
ctx->fmt = ctx->fmt_muted; \
}
static char *apply_volume_format(const char *fmt, char *buffer, int ivolume, const char *devicename) {
static char *apply_volume_format(const char *fmt, int ivolume, const char *devicename) {
char string_volume[STRING_SIZE];
snprintf(string_volume, STRING_SIZE, "%d%s", ivolume, pct_mark);
@ -61,19 +61,18 @@ static char *apply_volume_format(const char *fmt, char *buffer, int ivolume, con
{.name = "%devicename", .value = devicename}};
const size_t num = sizeof(placeholders) / sizeof(placeholder_t);
buffer = format_placeholders(fmt, &placeholders[0], num);
return buffer;
return format_placeholders(fmt, &placeholders[0], num);
}
void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx) {
char *outwalk = buffer;
void print_volume(volume_ctx_t *ctx) {
char *outwalk = ctx->buf;
int pbval = 1;
#define json_gen ctx->json_gen
/* Printing volume works with ALSA and PulseAudio at the moment */
if (output_format == O_I3BAR) {
char *instance;
asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx);
asprintf(&instance, "%s.%s.%d", ctx->device, ctx->mixer, ctx->mixer_idx);
INSTANCE(instance);
free(instance);
}
@ -84,11 +83,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
/* If the device name has the format "pulse[:N]" where N is the
* index of the PulseAudio sink then force PulseAudio, optionally
* overriding the default sink */
if (!strncasecmp(device, "pulse", strlen("pulse"))) {
uint32_t sink_idx = device[strlen("pulse")] == ':' ? (uint32_t)atoi(device + strlen("pulse:")) : DEFAULT_SINK_INDEX;
const char *sink_name = device[strlen("pulse")] == ':' &&
!isdigit(device[strlen("pulse:")])
? device + strlen("pulse:")
if (!strncasecmp(ctx->device, "pulse", strlen("pulse"))) {
uint32_t sink_idx = ctx->device[strlen("pulse")] == ':' ? (uint32_t)atoi(ctx->device + strlen("pulse:")) : DEFAULT_SINK_INDEX;
const char *sink_name = ctx->device[strlen("pulse")] == ':' &&
!isdigit(ctx->device[strlen("pulse:")])
? ctx->device + strlen("pulse:")
: NULL;
int cvolume = 0;
char description[MAX_SINK_DESCRIPTION_LEN] = {'\0'};
@ -111,12 +110,13 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
/* negative result means error, stick to 0 */
if (ivolume < 0)
ivolume = 0;
buffer = apply_volume_format(muted ? fmt_muted : fmt,
buffer,
ivolume,
description);
char *formatted = apply_volume_format(muted ? ctx->fmt_muted : ctx->fmt,
ivolume,
description);
OUTPUT_FORMATTED;
free(formatted);
goto out_with_format;
} else if (!strcasecmp(device, "default") && pulse_initialize()) {
} else if (!strcasecmp(ctx->device, "default") && pulse_initialize()) {
/* no device specified or "default" set */
char description[MAX_SINK_DESCRIPTION_LEN];
bool success = description_pulseaudio(DEFAULT_SINK_INDEX, NULL, description);
@ -128,10 +128,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
START_COLOR("color_degraded");
pbval = 0;
}
buffer = apply_volume_format(muted ? fmt_muted : fmt,
buffer,
ivolume,
description);
char *formatted = apply_volume_format(muted ? ctx->fmt_muted : ctx->fmt,
ivolume,
description);
OUTPUT_FORMATTED;
free(formatted);
goto out_with_format;
}
/* negative result or NULL description means error, fail PulseAudio attempt */
@ -157,7 +158,7 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
}
/* Attach this mixer handle to the given device */
if ((err = snd_mixer_attach(m, device)) < 0) {
if ((err = snd_mixer_attach(m, ctx->device)) < 0) {
fprintf(stderr, "i3status: ALSA: Cannot attach mixer to device: %s\n", snd_strerror(err));
snd_mixer_close(m);
goto out;
@ -183,8 +184,8 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
}
/* Find the given mixer */
snd_mixer_selem_id_set_index(sid, mixer_idx);
snd_mixer_selem_id_set_name(sid, mixer);
snd_mixer_selem_id_set_index(sid, ctx->mixer_idx);
snd_mixer_selem_id_set_name(sid, ctx->mixer);
if (!(elem = snd_mixer_find_selem(m, sid))) {
fprintf(stderr, "i3status: ALSA: Cannot find mixer %s (index %u)\n",
snd_mixer_selem_id_get_name(sid), snd_mixer_selem_id_get_index(sid));
@ -195,7 +196,7 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
/* Get the volume range to convert the volume later */
snd_mixer_handle_events(m);
if (!strncasecmp(mixer, "capture", strlen("capture"))) {
if (!strncasecmp(ctx->mixer, "capture", strlen("capture"))) {
ALSA_VOLUME(capture)
} else {
ALSA_VOLUME(playback)
@ -234,7 +235,9 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
ALSA_MUTE_SWITCH(capture)
}
buffer = apply_volume_format(fmt, buffer, avg, mixer_name);
char *formatted = apply_volume_format(ctx->fmt, avg, mixer_name);
OUTPUT_FORMATTED;
free(formatted);
snd_mixer_close(m);
snd_mixer_selem_id_free(sid);
@ -357,12 +360,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
out:
if (!pbval)
END_COLOR;
OUTPUT_FULL_TEXT(buffer);
OUTPUT_FULL_TEXT(ctx->buf);
return;
out_with_format:
if (!pbval)
END_COLOR;
OUTPUT_FULL_TEXT(buffer);
free(buffer);
OUTPUT_FULL_TEXT(ctx->buf);
}