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feat: backlight slider

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This commit is contained in:
Brenno Lemos
2023-10-15 17:42:19 -03:00
parent c3779dd16e
commit 11d7ca1d73
7 changed files with 161 additions and 3 deletions
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7
src/factory.cpp
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@ -4,6 +4,10 @@
#include "modules/pulseaudio_slider.hpp"
#endif
#ifdef HAVE_LIBUDEV
#include "modules/backlight_slider.hpp"
#endif
waybar::Factory::Factory(const Bar& bar, const Json::Value& config) : bar_(bar), config_(config) {}
waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
@ -130,6 +134,9 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
if (ref == "backlight") {
return new waybar::modules::Backlight(id, config_[name]);
}
if (ref == "backlight/slider") {
return new waybar::modules::BacklightSlider(id, config_[name]);
}
#endif
#ifdef HAVE_LIBEVDEV
if (ref == "keyboard-state") {

23
src/modules/backlight_slider.cpp Normal file
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@ -0,0 +1,23 @@
#include "modules/backlight_slider.hpp"
#include "ASlider.hpp"
namespace waybar::modules {
BacklightSlider::BacklightSlider(const std::string& id, const Json::Value& config)
: ASlider(config, "backlight-slider", id),
interval_(config_["interval"].isUInt() ? config_["interval"].asUInt() : 1000),
preferred_device_(config["device"].isString() ? config["device"].asString() : ""),
backend(interval_, [this] { this->dp.emit(); }) {}
void BacklightSlider::update() {
uint16_t brightness = backend.get_scaled_brightness(preferred_device_);
scale_.set_value(brightness);
}
void BacklightSlider::onValueChanged() {
auto brightness = scale_.get_value();
backend.set_scaled_brightness(preferred_device_, brightness);
}
} // namespace waybar::modules

16
src/util/backlight_backend.cpp
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@ -188,11 +188,13 @@ void BacklightBackend::set_previous_best_device(const BacklightDevice *device) {
}
}
void BacklightBackend::set_brightness(std::string preferred_device, int brightness) {
void BacklightBackend::set_scaled_brightness(std::string preferred_device, int brightness) {
GET_BEST_DEVICE(best, (*this), preferred_device);
if (best != nullptr) {
set_brightness_internal(best->name(), brightness, best->get_max());
const auto max = best->get_max();
const auto abs_val = static_cast<int>(round(brightness * max / 100.0f));
set_brightness_internal(best->name(), abs_val, best->get_max());
}
}
@ -221,6 +223,16 @@ void BacklightBackend::set_brightness_internal(std::string device_name, int brig
login_proxy_->call_sync("SetBrightness", call_args);
}
int BacklightBackend::get_scaled_brightness(std::string preferred_device) {
GET_BEST_DEVICE(best, (*this), preferred_device);
if (best != nullptr) {
return best->get_actual() * 100 / best->get_max();
}
return 0;
}
template <class ForwardIt, class Inserter>
void BacklightBackend::upsert_device(ForwardIt first, ForwardIt last, Inserter inserter,
udev_device *dev) {