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Restart printer discovery after a network-plugin hot reload

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restart_networking() rebuilds m_agent with a null printer agent, so the bare
m_agent->start_discovery() no-oped (NetworkAgent::start_discovery returns false when
m_printer_agent is null) and LAN discovery stayed dead until the user next changed a
preset. Call switch_printer_agent() instead - it installs the printer agent for the
active preset and then starts discovery, mirroring startup.
This commit is contained in:
SoftFever
2026-07-18 15:16:15 +08:00
parent 5028a5000e
commit 8b60291ed9
1 changed files with 7 additions and 1 deletions
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8
src/slic3r/GUI/GUI_App.cpp
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@@ -1677,7 +1677,13 @@ void GUI_App::restart_networking()
m_agent->set_on_http_error_fn([this](CloudEvent event, unsigned int status, std::string body) {
this->handle_http_error(status, body, event.provider);
});
m_agent->start_discovery(true, false);
// on_init_network() rebuilt m_agent with a null printer agent, so calling
// m_agent->start_discovery() directly would no-op (NetworkAgent::start_discovery
// returns false when m_printer_agent is null). Re-establish the printer agent for the
// active preset first - switch_printer_agent() installs it and then starts discovery,
// mirroring startup - otherwise LAN discovery stays dead after a plugin hot reload
// until the user next changes a preset/tab.
switch_printer_agent();
if (mainframe)
mainframe->refresh_plugin_tips();
if (plater_)