Fix duplicated error message dialog from GUI jobs.
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@@ -24,7 +24,7 @@ void GUI::Job::run(std::exception_ptr &eptr)
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void GUI::Job::update_status(int st, const wxString &msg)
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{
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auto evt = new wxThreadEvent();
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auto evt = new wxThreadEvent(wxEVT_THREAD, m_thread_evt_id);
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evt->SetInt(st);
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evt->SetString(msg);
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wxQueueEvent(this, evt);
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@@ -33,7 +33,11 @@ void GUI::Job::update_status(int st, const wxString &msg)
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GUI::Job::Job(std::shared_ptr<ProgressIndicator> pri)
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: m_progress(std::move(pri))
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{
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Bind(wxEVT_THREAD, [this](const wxThreadEvent &evt) {
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m_thread_evt_id = wxNewId();
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Bind(wxEVT_THREAD, [this](const wxThreadEvent &evt) {
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if (m_finalizing) return;
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auto msg = evt.GetString();
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if (!msg.empty() && !m_worker_error)
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m_progress->set_status_text(msg.ToUTF8().data());
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@@ -53,13 +57,27 @@ GUI::Job::Job(std::shared_ptr<ProgressIndicator> pri)
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m_progress->set_progress(m_range);
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on_exception(m_worker_error);
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}
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else
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else {
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// This is an RAII solution to remember that finalization is
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// running. The run method calls update_status(status_range(), "")
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// at the end, which queues up a call to this handler in all cases.
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// If process also calls update_status with maxed out status arg
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// it will call this handler twice. It is not a problem unless
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// yield is called inside the finilize() method, which would
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// jump out of finalize and call this handler again.
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struct Finalizing {
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bool &flag;
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Finalizing (bool &f): flag(f) { flag = true; }
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~Finalizing() { flag = false; }
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} fin(m_finalizing);
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finalize();
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}
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// dont do finalization again for the same process
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m_finalized = true;
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}
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});
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}, m_thread_evt_id);
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}
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void GUI::Job::start()
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@@ -76,7 +94,8 @@ void GUI::Job::start()
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m_progress->set_cancel_callback(
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[this]() { m_canceled.store(true); });
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m_finalized = false;
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m_finalized = false;
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m_finalizing = false;
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// Changing cursor to busy
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wxBeginBusyCursor();
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