From e8c4b85328f6fb6b8a250db6709595af6cca3bfb Mon Sep 17 00:00:00 2001 From: Kuruyia <8174691+Kuruyia@users.noreply.github.com> Date: Fri, 3 Feb 2023 12:58:52 +0100 Subject: [PATCH] feat(backlight): use dbus to set the brightness --- include/modules/backlight.hpp | 3 +++ src/modules/backlight.cpp | 21 ++++++++++++--------- 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/include/modules/backlight.hpp b/include/modules/backlight.hpp index a2ce878..1882a83 100644 --- a/include/modules/backlight.hpp +++ b/include/modules/backlight.hpp @@ -6,6 +6,7 @@ #include #include "ALabel.hpp" +#include "giomm/dbusproxy.h" #include "util/json.hpp" #include "util/sleeper_thread.hpp" @@ -62,5 +63,7 @@ class Backlight : public ALabel { std::vector devices_; // thread must destruct before shared data util::SleeperThread udev_thread_; + + Glib::RefPtr login_proxy_; }; } // namespace waybar::modules diff --git a/src/modules/backlight.cpp b/src/modules/backlight.cpp index 65eb11a..7aa5889 100644 --- a/src/modules/backlight.cpp +++ b/src/modules/backlight.cpp @@ -110,6 +110,11 @@ waybar::modules::Backlight::Backlight(const std::string &id, const Json::Value & event_box_.add_events(Gdk::SCROLL_MASK | Gdk::SMOOTH_SCROLL_MASK); event_box_.signal_scroll_event().connect(sigc::mem_fun(*this, &Backlight::handleScroll)); + // Connect to the login interface + login_proxy_ = Gio::DBus::Proxy::create_for_bus_sync( + Gio::DBus::BusType::BUS_TYPE_SYSTEM, "org.freedesktop.login1", + "/org/freedesktop/login1/session/self", "org.freedesktop.login1.Session"); + udev_thread_ = [this] { std::unique_ptr udev{udev_new()}; check_nn(udev.get(), "Udev new failed"); @@ -275,6 +280,11 @@ bool waybar::modules::Backlight::handleScroll(GdkEventScroll *e) { return AModule::handleScroll(e); } + // Fail fast if the proxy could not be initialized + if (!login_proxy_) { + return true; + } + // Check scroll direction auto dir = AModule::getScrollDir(e); if (dir == SCROLL_DIR::NONE) { @@ -323,16 +333,9 @@ bool waybar::modules::Backlight::handleScroll(GdkEventScroll *e) { // Clamp the value new_value = std::clamp(new_value, 0, best->get_max()); - // Get a udev instance - std::unique_ptr udev{udev_new()}; - check_nn(udev.get(), "Udev new failed"); - - // Get the udev device - std::unique_ptr dev{udev_device_new_from_subsystem_sysname(udev.get(), "backlight", std::string(best->name()).c_str())}; - check_nn(dev.get(), "Udev device new failed"); - // Set the new value - udev_device_set_sysattr_value(dev.get(), "brightness", std::to_string(new_value).c_str()); + auto call_args = Glib::VariantContainerBase(g_variant_new("(ssu)", "backlight", std::string(best->name()).c_str(), new_value)); + login_proxy_->call_sync("SetBrightness", call_args); return true; }