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Merge pull request #1035 from alebastr/deferred-output-removal 

fix: schedule output destruction on idle callback
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Alex 2021-02-23 09:39:09 +01:00 committed by GitHub
parent 4d150e9340 943ba3a2da
commit 1026100c9d
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 0 deletions
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1
include/client.hpp
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@ -51,6 +51,7 @@ class Client {
static void handleOutputDescription(void *, struct zxdg_output_v1 *, const char *); static void handleOutputDescription(void *, struct zxdg_output_v1 *, const char *);
void handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor); void handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor);
void handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor); void handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor);
void handleDeferredMonitorRemoval(Glib::RefPtr<Gdk::Monitor> monitor);
Json::Value config_; Json::Value config_;
Glib::RefPtr<Gtk::StyleContext> style_context_; Glib::RefPtr<Gtk::StyleContext> style_context_;

10
src/client.cpp
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@ -179,6 +179,16 @@ void waybar::Client::handleMonitorAdded(Glib::RefPtr<Gdk::Monitor> monitor) {
void waybar::Client::handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor) { void waybar::Client::handleMonitorRemoved(Glib::RefPtr<Gdk::Monitor> monitor) {
spdlog::debug("Output removed: {} {}", monitor->get_manufacturer(), monitor->get_model()); 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();) { for (auto it = bars.begin(); it != bars.end();) {
if ((*it)->output->monitor == monitor) { if ((*it)->output->monitor == monitor) {
auto output_name = (*it)->output->name; auto output_name = (*it)->output->name;