mirror of https://github.com/polybar/polybar.git
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
#pragma once
|
|
|
|
#include "components/config.hpp"
|
|
#include "config.hpp"
|
|
#include "drawtypes/label.hpp"
|
|
#include "drawtypes/progressbar.hpp"
|
|
#include "drawtypes/ramp.hpp"
|
|
#include "modules/meta.hpp"
|
|
|
|
LEMONBUDDY_NS
|
|
|
|
namespace modules {
|
|
struct brightness_handle {
|
|
void filepath(string path) {
|
|
if (!file_util::exists(path))
|
|
throw module_error("The file '" + path + "' does not exist");
|
|
m_path = path;
|
|
}
|
|
|
|
float read() const {
|
|
return std::strtof(file_util::get_contents(m_path).c_str(), 0);
|
|
}
|
|
|
|
private:
|
|
string m_path;
|
|
};
|
|
|
|
class backlight_module : public inotify_module<backlight_module> {
|
|
public:
|
|
using inotify_module::inotify_module;
|
|
|
|
void setup() {
|
|
// Load configuration values
|
|
auto card = m_conf.get<string>(name(), "card");
|
|
|
|
// Add formats and elements
|
|
m_formatter->add(DEFAULT_FORMAT, TAG_LABEL, {TAG_LABEL, TAG_BAR, TAG_RAMP});
|
|
|
|
if (m_formatter->has(TAG_LABEL))
|
|
m_label = load_optional_label(m_conf, name(), TAG_LABEL, "%percentage%");
|
|
if (m_formatter->has(TAG_BAR))
|
|
m_progressbar = load_progressbar(m_bar, m_conf, name(), TAG_BAR);
|
|
if (m_formatter->has(TAG_RAMP))
|
|
m_ramp = load_ramp(m_conf, name(), TAG_RAMP);
|
|
|
|
// Build path to the file where the current/maximum brightness value is located
|
|
m_val.filepath(string_util::replace(PATH_BACKLIGHT_VAL, "%card%", card));
|
|
m_max.filepath(string_util::replace(PATH_BACKLIGHT_MAX, "%card%", card));
|
|
|
|
// Add inotify watch
|
|
watch(string_util::replace(PATH_BACKLIGHT_VAL, "%card%", card));
|
|
}
|
|
|
|
void idle() {
|
|
sleep(75ms);
|
|
}
|
|
|
|
bool on_event(inotify_event* event) {
|
|
if (event != nullptr)
|
|
m_log.trace("%s: %s", name(), event->filename);
|
|
|
|
m_percentage = static_cast<int>(m_val.read() / m_max.read() * 100.0f + 0.5f);
|
|
|
|
if (m_label) {
|
|
m_label->reset_tokens();
|
|
m_label->replace_token("%percentage%", to_string(m_percentage) + "%");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool build(builder* builder, string tag) const {
|
|
if (tag == TAG_BAR)
|
|
builder->node(m_progressbar->output(m_percentage));
|
|
else if (tag == TAG_RAMP)
|
|
builder->node(m_ramp->get_by_percentage(m_percentage));
|
|
else if (tag == TAG_LABEL)
|
|
builder->node(m_label);
|
|
else
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
static constexpr auto TAG_LABEL = "<label>";
|
|
static constexpr auto TAG_BAR = "<bar>";
|
|
static constexpr auto TAG_RAMP = "<ramp>";
|
|
|
|
ramp_t m_ramp;
|
|
label_t m_label;
|
|
progressbar_t m_progressbar;
|
|
|
|
brightness_handle m_val;
|
|
brightness_handle m_max;
|
|
|
|
int m_percentage = 0;
|
|
};
|
|
}
|
|
|
|
LEMONBUDDY_NS_END
|