polybar-dwm/src/modules/volume.cpp
2016-11-19 06:26:07 +01:00

229 lines
7.8 KiB
C++

#include "modules/volume.hpp"
#include "utils/math.hpp"
POLYBAR_NS
namespace modules {
void volume_module::setup() {
// Load configuration values {{{
string master_mixer_name{"Master"};
string speaker_mixer_name;
string headphone_mixer_name;
GET_CONFIG_VALUE(name(), master_mixer_name, "master-mixer");
GET_CONFIG_VALUE(name(), speaker_mixer_name, "speaker-mixer");
GET_CONFIG_VALUE(name(), headphone_mixer_name, "headphone-mixer");
m_mapped = m_conf.get<bool>(name(), "mapped", false);
if (!headphone_mixer_name.empty())
REQ_CONFIG_VALUE(name(), m_headphoneid, "headphone-id");
if (string_util::compare(speaker_mixer_name, "master"))
throw module_error("Master mixer is already defined");
if (string_util::compare(headphone_mixer_name, "master"))
throw module_error("Master mixer is already defined");
// }}}
// Setup mixers {{{
try {
if (!master_mixer_name.empty())
m_mixers[mixer::MASTER].reset(new mixer_t::element_type{master_mixer_name});
if (!speaker_mixer_name.empty())
m_mixers[mixer::SPEAKER].reset(new mixer_t::element_type{speaker_mixer_name});
if (!headphone_mixer_name.empty())
m_mixers[mixer::HEADPHONE].reset(new mixer_t::element_type{headphone_mixer_name});
if (m_mixers[mixer::HEADPHONE])
m_controls[control::HEADPHONE].reset(new control_t::element_type{m_headphoneid});
if (m_mixers.empty())
throw module_error("No configured mixers");
} catch (const alsa_mixer_error& err) {
throw module_error(err.what());
} catch (const alsa_ctl_interface_error& err) {
throw module_error(err.what());
}
// }}}
// Add formats and elements {{{
m_formatter->add(
FORMAT_VOLUME, TAG_LABEL_VOLUME, {TAG_RAMP_VOLUME, TAG_LABEL_VOLUME, TAG_BAR_VOLUME});
m_formatter->add(
FORMAT_MUTED, TAG_LABEL_MUTED, {TAG_RAMP_VOLUME, TAG_LABEL_MUTED, TAG_BAR_VOLUME});
if (m_formatter->has(TAG_BAR_VOLUME))
m_bar_volume = load_progressbar(m_bar, m_conf, name(), TAG_BAR_VOLUME);
if (m_formatter->has(TAG_LABEL_VOLUME, FORMAT_VOLUME))
m_label_volume = load_optional_label(m_conf, name(), TAG_LABEL_VOLUME, "%percentage%");
if (m_formatter->has(TAG_LABEL_MUTED, FORMAT_MUTED))
m_label_muted = load_optional_label(m_conf, name(), TAG_LABEL_MUTED, "%percentage%");
if (m_formatter->has(TAG_RAMP_VOLUME)) {
m_ramp_volume = load_ramp(m_conf, name(), TAG_RAMP_VOLUME);
m_ramp_headphones = load_ramp(m_conf, name(), TAG_RAMP_HEADPHONES, false);
}
// }}}
}
void volume_module::teardown() {
m_mixers.clear();
}
bool volume_module::has_event() {
// Poll for mixer and control events {{{
try {
if (m_mixers[mixer::MASTER] && m_mixers[mixer::MASTER]->wait(25))
return true;
if (m_mixers[mixer::SPEAKER] && m_mixers[mixer::SPEAKER]->wait(25))
return true;
if (m_mixers[mixer::HEADPHONE] && m_mixers[mixer::HEADPHONE]->wait(25))
return true;
if (m_controls[control::HEADPHONE] && m_controls[control::HEADPHONE]->wait(25))
return true;
} catch (const alsa_exception& e) {
m_log.err("%s: %s", name(), e.what());
}
return false;
// }}}
}
bool volume_module::update() {
// Consume pending events {{{
if (m_mixers[mixer::MASTER])
m_mixers[mixer::MASTER]->process_events();
if (m_mixers[mixer::SPEAKER])
m_mixers[mixer::SPEAKER]->process_events();
if (m_mixers[mixer::HEADPHONE])
m_mixers[mixer::HEADPHONE]->process_events();
if (m_controls[control::HEADPHONE])
m_controls[control::HEADPHONE]->process_events();
// }}}
// Get volume, mute and headphone state {{{
m_volume = 100;
m_muted = false;
m_headphones = false;
if (m_mixers[mixer::MASTER]) {
m_volume = m_volume * (m_mapped ? m_mixers[mixer::MASTER]->get_normalized_volume() / 100.0f :
m_mixers[mixer::MASTER]->get_volume() / 100.0f);
m_muted = m_muted || m_mixers[mixer::MASTER]->is_muted();
}
if (m_controls[control::HEADPHONE] && m_controls[control::HEADPHONE]->test_device_plugged()) {
m_headphones = true;
m_volume = m_volume * (m_mapped ? m_mixers[mixer::HEADPHONE]->get_normalized_volume() / 100.0f :
m_mixers[mixer::HEADPHONE]->get_volume() / 100.0f);
m_muted = m_muted || m_mixers[mixer::HEADPHONE]->is_muted();
} else if (m_mixers[mixer::SPEAKER]) {
m_volume = m_volume * (m_mapped ? m_mixers[mixer::SPEAKER]->get_normalized_volume() / 100.0f :
m_mixers[mixer::SPEAKER]->get_volume() / 100.0f);
m_muted = m_muted || m_mixers[mixer::SPEAKER]->is_muted();
}
// }}}
// Replace label tokens {{{
if (m_label_volume) {
m_label_volume->reset_tokens();
m_label_volume->replace_token("%percentage%", to_string(m_volume) + "%");
}
if (m_label_muted) {
m_label_muted->reset_tokens();
m_label_muted->replace_token("%percentage%", to_string(m_volume) + "%");
}
// }}}
return true;
}
string volume_module::get_format() const {
return m_muted ? FORMAT_MUTED : FORMAT_VOLUME;
}
string volume_module::get_output() {
m_builder->cmd(mousebtn::LEFT, EVENT_TOGGLE_MUTE);
if (!m_muted && m_volume < 100)
m_builder->cmd(mousebtn::SCROLL_UP, EVENT_VOLUME_UP);
if (!m_muted && m_volume > 0)
m_builder->cmd(mousebtn::SCROLL_DOWN, EVENT_VOLUME_DOWN);
m_builder->node(module::get_output());
return m_builder->flush();
}
bool volume_module::build(builder* builder, string tag) const {
if (tag == TAG_BAR_VOLUME)
builder->node(m_bar_volume->output(m_volume));
else if (tag == TAG_RAMP_VOLUME && (!m_headphones || !*m_ramp_headphones))
builder->node(m_ramp_volume->get_by_percentage(m_volume));
else if (tag == TAG_RAMP_VOLUME && m_headphones && *m_ramp_headphones)
builder->node(m_ramp_headphones->get_by_percentage(m_volume));
else if (tag == TAG_LABEL_VOLUME)
builder->node(m_label_volume);
else if (tag == TAG_LABEL_MUTED)
builder->node(m_label_muted);
else
return false;
return true;
}
bool volume_module::handle_event(string cmd) {
if (cmd.compare(0, 3, EVENT_PREFIX) != 0)
return false;
if (!m_mixers[mixer::MASTER])
return false;
vector<mixer_t> mixers;
if (m_mixers[mixer::MASTER])
mixers.emplace_back(new mixer_t::element_type(m_mixers[mixer::MASTER]->get_name()));
if (m_mixers[mixer::HEADPHONE] && m_headphones)
mixers.emplace_back(new mixer_t::element_type(m_mixers[mixer::HEADPHONE]->get_name()));
if (m_mixers[mixer::SPEAKER] && !m_headphones)
mixers.emplace_back(new mixer_t::element_type(m_mixers[mixer::SPEAKER]->get_name()));
try {
if (cmd.compare(0, strlen(EVENT_TOGGLE_MUTE), EVENT_TOGGLE_MUTE) == 0) {
for (auto&& mixer : mixers) {
mixer->set_mute(m_muted || mixers[0]->is_muted());
}
} else if (cmd.compare(0, strlen(EVENT_VOLUME_UP), EVENT_VOLUME_UP) == 0) {
for (auto&& mixer : mixers) {
m_mapped ?
mixer->set_normalized_volume(math_util::cap<float>(mixer->get_normalized_volume() + 5, 0, 100)) :
mixer->set_volume(math_util::cap<float>(mixer->get_volume() + 5, 0, 100));
}
} else if (cmd.compare(0, strlen(EVENT_VOLUME_DOWN), EVENT_VOLUME_DOWN) == 0) {
for (auto&& mixer : mixers) {
m_mapped ?
mixer->set_normalized_volume(math_util::cap<float>(mixer->get_normalized_volume() - 5, 0, 100)) :
mixer->set_volume(math_util::cap<float>(mixer->get_volume() - 5, 0, 100));
}
} else {
return false;
}
} catch (const std::exception& err) {
m_log.err("%s: Failed to handle command (%s)", name(), err.what());
}
return true;
}
bool volume_module::receive_events() const {
return true;
}
}
POLYBAR_NS_END