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Merge pull request #4705 from rwwiv/fix/duplicate-layers-on-monitor-hotplug 

fix: prevent duplicate layer surfaces on monitor hotplug
This commit is contained in:
Alexis Rouillard 2025-12-18 19:00:48 +01:00 committed by GitHub
parent d012de3cde a9ef11a2b3
commit 374ccbb878
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GPG Key ID: B5690EEEBB952194
2 changed files with 13 additions and 2 deletions
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2
include/client.hpp
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@ -56,6 +56,8 @@ class Client {
std::list<struct waybar_output> outputs_;
std::unique_ptr<CssReloadHelper> m_cssReloadHelper;
std::string m_cssFile;
sigc::connection monitor_added_connection_;
sigc::connection monitor_removed_connection_;
};
} // namespace waybar

13
src/client.cpp
View File

@ -219,13 +219,22 @@ void waybar::Client::bindInterfaces() {
if (xdg_output_manager == nullptr) {
throw std::runtime_error("Failed to acquire required resources.");
}
// Disconnect previous signal handlers to prevent duplicate handlers on reload
monitor_added_connection_.disconnect();
monitor_removed_connection_.disconnect();
// Clear stale outputs from previous run
outputs_.clear();
// add existing outputs and subscribe to updates
for (auto i = 0; i < gdk_display->get_n_monitors(); ++i) {
auto monitor = gdk_display->get_monitor(i);
handleMonitorAdded(monitor);
}
gdk_display->signal_monitor_added().connect(sigc::mem_fun(*this, &Client::handleMonitorAdded));
gdk_display->signal_monitor_removed().connect(
monitor_added_connection_ = gdk_display->signal_monitor_added().connect(
sigc::mem_fun(*this, &Client::handleMonitorAdded));
monitor_removed_connection_ = gdk_display->signal_monitor_removed().connect(
sigc::mem_fun(*this, &Client::handleMonitorRemoved));
}