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Waybar
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Merge branch 'master' into master

This commit is contained in:
nullobsi 2021-02-26 13:22:34 -08:00 committed by GitHub
parent bfa9f1e69b cb1c7ea12c
commit 9b9daaee6f
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3 changed files with 30 additions and 0 deletions
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1
include/client.hpp
View File

@ -51,6 +51,7 @@ class Client {
static void handleOutputDescription(void *, struct zxdg_output_v1 *, const char *);
void handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor);
void handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor);
void handleDeferredMonitorRemoval(Glib::RefPtr<Gdk::Monitor> monitor);
Json::Value config_;
Glib::RefPtr<Gtk::StyleContext> style_context_;

19
include/util/command.hpp
View File

@ -5,6 +5,13 @@
#include <sys/wait.h>
#include <unistd.h>
#ifdef __linux__
#include <sys/prctl.h>
#endif
#ifdef __FreeBSD__
#include <sys/procctl.h>
#endif
#include <array>
extern std::mutex reap_mtx;
@ -77,6 +84,18 @@ inline FILE* open(const std::string& cmd, int& pid) {
// Reset sigmask
err = pthread_sigmask(SIG_UNBLOCK, &mask, nullptr);
if (err != 0) spdlog::error("pthread_sigmask in open failed: {}", strerror(err));
// Kill child if Waybar exits
int deathsig = SIGTERM;
#ifdef __linux__
if (prctl(PR_SET_PDEATHSIG, deathsig) != 0) {
spdlog::error("prctl(PR_SET_PDEATHSIG) in open failed: {}", strerror(errno));
}
#endif
#ifdef __FreeBSD__
if (procctl(P_PID, 0, PROC_PDEATHSIG_CTL, reinterpret_cast<void*>(&deathsig)) == -1) {
spdlog::error("procctl(PROC_PDEATHSIG_CTL) in open failed: {}", strerror(errno));
}
#endif
::close(fd[0]);
dup2(fd[1], 1);
setpgid(child_pid, child_pid);

10
src/client.cpp
View File

@ -179,6 +179,16 @@ void waybar::Client::handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor) {
void waybar::Client::handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor) {
spdlog::debug("Output removed: {} {}", monitor->get_manufacturer(), monitor->get_model());
/* This event can be triggered from wl_display_roundtrip called by GTK or our code.
* Defer destruction of bars for the output to the next iteration of the event loop to avoid
* deleting objects referenced by currently executed code.
*/
Glib::signal_idle().connect_once(
sigc::bind(sigc::mem_fun(*this, &Client::handleDeferredMonitorRemoval), monitor),
Glib::PRIORITY_HIGH_IDLE);
}
void waybar::Client::handleDeferredMonitorRemoval(Glib::RefPtr<Gdk::Monitor> monitor) {
for (auto it = bars.begin(); it != bars.end();) {
if ((*it)->output->monitor == monitor) {
auto output_name = (*it)->output->name;