input: Fix crash when closing add controller dialog before search completes (#1386)

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goeiecool9999 2024-10-28 09:37:30 +01:00 committed by GitHub
parent 63e1289bb5
commit 459fd5d9bb
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GPG Key ID: B5690EEEBB952194
2 changed files with 42 additions and 10 deletions

View File

@ -114,6 +114,11 @@ InputAPIAddWindow::InputAPIAddWindow(wxWindow* parent, const wxPoint& position,
this->Bind(wxControllersRefreshed, &InputAPIAddWindow::on_controllers_refreshed, this);
}
InputAPIAddWindow::~InputAPIAddWindow()
{
discard_thread_result();
}
void InputAPIAddWindow::on_add_button(wxCommandEvent& event)
{
const auto selection = m_input_api->GetSelection();
@ -159,6 +164,8 @@ std::unique_ptr<ControllerProviderSettings> InputAPIAddWindow::get_settings() co
void InputAPIAddWindow::on_api_selected(wxCommandEvent& event)
{
discard_thread_result();
if (m_input_api->GetSelection() == wxNOT_FOUND)
return;
@ -239,19 +246,25 @@ void InputAPIAddWindow::on_controller_dropdown(wxCommandEvent& event)
m_controller_list->Append(_("Searching for controllers..."), (wxClientData*)nullptr);
m_controller_list->SetSelection(wxNOT_FOUND);
std::thread([this, provider, selected_uuid]()
m_search_thread_data = std::make_unique<AsyncThreadData>();
std::thread([this, provider, selected_uuid](std::shared_ptr<AsyncThreadData> data)
{
auto available_controllers = provider->get_controllers();
{
std::lock_guard lock{data->mutex};
if(!data->discardResult)
{
wxCommandEvent event(wxControllersRefreshed);
event.SetEventObject(m_controller_list);
event.SetClientObject(new wxCustomData(std::move(available_controllers)));
event.SetInt(provider->api());
event.SetString(selected_uuid);
wxPostEvent(this, event);
m_search_running = false;
}).detach();
}
}
}, m_search_thread_data).detach();
}
void InputAPIAddWindow::on_controller_selected(wxCommandEvent& event)
@ -301,3 +314,13 @@ void InputAPIAddWindow::on_controllers_refreshed(wxCommandEvent& event)
}
}
}
void InputAPIAddWindow::discard_thread_result()
{
m_search_running = false;
if(m_search_thread_data)
{
std::lock_guard lock{m_search_thread_data->mutex};
m_search_thread_data->discardResult = true;
}
}

View File

@ -19,6 +19,7 @@ class InputAPIAddWindow : public wxDialog
{
public:
InputAPIAddWindow(wxWindow* parent, const wxPoint& position, const std::vector<ControllerPtr>& controllers);
~InputAPIAddWindow();
bool is_valid() const { return m_type.has_value() && m_controller != nullptr; }
InputAPI::Type get_type() const { return m_type.value(); }
@ -38,6 +39,8 @@ private:
void on_controller_selected(wxCommandEvent& event);
void on_controllers_refreshed(wxCommandEvent& event);
void discard_thread_result();
wxChoice* m_input_api;
wxComboBox* m_controller_list;
wxButton* m_ok_button;
@ -50,4 +53,10 @@ private:
std::vector<ControllerPtr> m_controllers;
std::atomic_bool m_search_running = false;
struct AsyncThreadData
{
std::atomic_bool discardResult = false;
std::mutex mutex;
};
std::shared_ptr<AsyncThreadData> m_search_thread_data;
};