dinput: split from logic module

For use in the joystick module.

8 files changed, 2 insertions, 801 deletions

diff --git a/opentrack-logic/CMakeLists.txt b/opentrack-logic/CMakeLists.txt
index 87175454..88b0240f 100644
--- a/opentrack-logic/CMakeLists.txt
+++ b/opentrack-logic/CMakeLists.txt
@@ -3,5 +3,5 @@ target_link_libraries(opentrack-logic opentrack-spline-widget)
 if(NOT WIN32)
     target_link_libraries(opentrack-logic opentrack-qxt-mini)
 else()
-    target_link_libraries(opentrack-logic winmm)
+    target_link_libraries(opentrack-logic opentrack-dinput winmm)
 endif()
diff --git a/opentrack-logic/dinput.cpp b/opentrack-logic/dinput.cpp
deleted file mode 100644
index ce80fe0e..00000000
--- a/opentrack-logic/dinput.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#ifdef _WIN32
-
-#include "dinput.hpp"
-#include <QDebug>
-
-dinput_handle dinput_handle::self;
-
-dinput_handle::dinput_handle() : handle(init_di())
-{
-}
-
-dinput_handle::~dinput_handle()
-{
-    if (handle)
-    {
-        handle->Release();
-        handle = nullptr;
-    }
-}
-
-dinput_handle::di_t dinput_handle::init_di()
-{
-    HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
-    if (FAILED(hr))
-        qDebug() << "dinput: failed CoInitializeEx" << hr << GetLastError();
-
-    static LPDIRECTINPUT8 di_ = nullptr;
-    if (di_ == nullptr)
-    {
-        if (SUCCEEDED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&di_, NULL)))
-        {
-            return di_;
-        }
-        else
-        {
-            return di_ = nullptr;
-        }
-    }
-    return di_;
-}
-
-dinput_handle::di_t dinput_handle::make_di()
-{
-    return self.handle;
-}
-
-#endif
diff --git a/opentrack-logic/dinput.hpp b/opentrack-logic/dinput.hpp
deleted file mode 100644
index 205fc656..00000000
--- a/opentrack-logic/dinput.hpp
+++ /dev/null
@@ -1,28 +0,0 @@
-#pragma once
-
-#ifdef _WIN32
-
-#ifndef DIRECTINPUT_VERSION
-#   define DIRECTINPUT_VERSION 0x800
-#endif
-#include "export.hpp"
-#include <dinput.h>
-#include <windows.h>
-
-struct OPENTRACK_LOGIC_EXPORT dinput_handle final
-{
-    using di_t = LPDIRECTINPUT8;
-private:
-    static dinput_handle self;
-    dinput_handle();
-    ~dinput_handle();
-    static di_t init_di();
-    di_t handle;
-public:
-     static di_t make_di();
-
-     dinput_handle(const dinput_handle&) = delete;
-     dinput_handle(dinput_handle&&) = delete;
-};
-
-#endif
diff --git a/opentrack-logic/keybinding-worker.cpp b/opentrack-logic/keybinding-worker.cpp
deleted file mode 100644
index a009d399..00000000
--- a/opentrack-logic/keybinding-worker.cpp
+++ /dev/null
@@ -1,189 +0,0 @@
-/* Copyright (c) 2014-2015, Stanislaw Halik <sthalik@misaki.pl>
-
- * Permission to use, copy, modify, and/or distribute this
- * software for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice and this permission
- * notice appear in all copies.
- */
-
-#ifdef _WIN32
-
-#include "keybinding-worker.hpp"
-#include <functional>
-#include <windows.h>
-#include <QDebug>
-#include <QMutexLocker>
-
-bool Key::should_process()
-{
-    if (!enabled || (keycode == 0 && guid == ""))
-        return false;
-    bool ret = timer.elapsed_ms() > 100;
-    timer.start();
-    return ret;
-}
-
-KeybindingWorker::~KeybindingWorker()
-{
-    should_quit = true;
-    wait();
-    if (dinkeyboard) {
-        dinkeyboard->Unacquire();
-        dinkeyboard->Release();
-    }
-}
-
-KeybindingWorker::KeybindingWorker() : should_quit(true)
-{
-    LPDIRECTINPUT8 din = dinput_handle::make_di();
-
-    if (din->CreateDevice(GUID_SysKeyboard, &dinkeyboard, NULL) != DI_OK) {
-        qDebug() << "setup CreateDevice function failed!" << GetLastError();
-        return;
-    }
-
-    if (dinkeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK) {
-        qDebug() << "setup SetDataFormat function failed!" << GetLastError();
-        dinkeyboard->Release();
-        dinkeyboard = 0;
-        return;
-    }
-
-    if (dinkeyboard->SetCooperativeLevel((HWND) fake_main_window.winId(), DISCL_NONEXCLUSIVE | DISCL_BACKGROUND) != DI_OK) {
-        dinkeyboard->Release();
-        dinkeyboard = 0;
-        qDebug() << "setup SetCooperativeLevel function failed!" << GetLastError();
-        return;
-    }
-
-    if (dinkeyboard->Acquire() != DI_OK)
-    {
-        dinkeyboard->Release();
-        dinkeyboard = 0;
-        qDebug() << "setup dinkeyboard Acquire failed!" << GetLastError();
-        return;
-    }
-
-    should_quit = false;
-    start();
-}
-
-KeybindingWorker& KeybindingWorker::make()
-{
-    static KeybindingWorker k;
-    return k;
-}
-
-void KeybindingWorker::run()
-{
-    BYTE keystate[256] = {0};
-    BYTE old_keystate[256] = {0};
-
-    while (!should_quit)
-    {
-        {
-            QMutexLocker l(&mtx);
-
-            if (receivers.size())
-            {
-                {
-                    const HRESULT hr = dinkeyboard->GetDeviceState(256, (LPVOID)keystate);
-
-                    if (hr != DI_OK) {
-                        qDebug() << "Tracker::run GetDeviceState function failed!" << GetLastError();
-                        Sleep(25);
-                        continue;
-                    }
-                }
-
-                {
-                    using joy_fn = std::function<void(const QString& guid, int idx, bool held)>;
-
-                    joy_fn f = [&](const QString& guid, int idx, bool held) -> void {
-                        Key k;
-                        k.keycode = idx;
-                        k.shift = !!(keystate[DIK_LSHIFT] & 0x80 || keystate[DIK_RSHIFT] & 0x80);
-                        k.alt = !!(keystate[DIK_LALT] & 0x80 || keystate[DIK_RALT] & 0x80);
-                        k.ctrl = !!(keystate[DIK_LCONTROL] & 0x80 || keystate[DIK_RCONTROL] & 0x80);
-                        k.guid = guid;
-                        k.held = held;
-
-                        for (auto& r : receivers)
-                            r->operator()(k);
-                    };
-
-                    joy_ctx.poll(f);
-                }
-
-                for (int i = 0; i < 256; i++)
-                {
-                    Key k;
-                    if (old_keystate[i] != keystate[i])
-                    {
-                        const bool held = keystate[i] & 0x80;
-                        switch (i)
-                        {
-                        case DIK_LCONTROL:
-                        case DIK_LSHIFT:
-                        case DIK_LALT:
-                        case DIK_RCONTROL:
-                        case DIK_RSHIFT:
-                        case DIK_RALT:
-                            break;
-                        default:
-                            k.shift = !!(keystate[DIK_LSHIFT] & 0x80) || !!(keystate[DIK_RSHIFT] & 0x80);
-                            k.alt = !!(keystate[DIK_LALT] & 0x80) || !!(keystate[DIK_RALT] & 0x80);
-                            k.ctrl = !!(keystate[DIK_LCONTROL] & 0x80) || !!(keystate[DIK_RCONTROL] & 0x80);
-                            k.keycode = i;
-                            k.held = held;
-
-                            for (auto& r : receivers)
-                                r->operator()(k);
-                            break;
-                        }
-                    }
-                    old_keystate[i] = keystate[i];
-                }
-            }
-        }
-
-        // keypresses get dropped with high values
-        Sleep(4);
-    }
-}
-
-KeybindingWorker::fun* KeybindingWorker::_add_receiver(fun& receiver)
-{
-    QMutexLocker l(&mtx);
-    receivers.push_back(std::unique_ptr<fun>(new fun(receiver)));
-    fun* f = receivers[receivers.size() - 1].get();
-    //qDebug() << "add receiver" << (long) f;
-    joy_ctx.refresh();
-    return f;
-}
-
-void KeybindingWorker::remove_receiver(KeybindingWorker::fun* pos)
-{
-    QMutexLocker l(&mtx);
-    bool ok = false;
-
-    using s = int;
-
-    for (int i = s(receivers.size()) - 1; i >= 0; i--)
-    {
-        using u = unsigned;
-        if (receivers[u(i)].get() == pos)
-        {
-            ok = true;
-            //qDebug() << "remove receiver" << (long) pos;
-            receivers.erase(receivers.begin() + i);
-            break;
-        }
-    }
-    if (!ok)
-    {
-        qDebug() << "bad remove receiver" << (long) pos;
-    }
-}
-
-#endif
diff --git a/opentrack-logic/keybinding-worker.hpp b/opentrack-logic/keybinding-worker.hpp
deleted file mode 100644
index e38e5046..00000000
--- a/opentrack-logic/keybinding-worker.hpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/* Copyright (c) 2014-2015, Stanislaw Halik <sthalik@misaki.pl>
-
- * Permission to use, copy, modify, and/or distribute this
- * software for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice and this permission
- * notice appear in all copies.
- */
-
-#pragma once
-
-#include "export.hpp"
-
-#include "opentrack-compat/timer.hpp"
-#include "win32-joystick.hpp"
-#include "dinput.hpp"
-#include <QThread>
-#include <QMutex>
-#include <QWidget>
-#include <QMainWindow>
-#include <functional>
-#include <vector>
-
-#undef DIRECTINPUT_VERSION
-#define DIRECTINPUT_VERSION 0x0800
-#include <windows.h>
-#include <dinput.h>
-struct Key {
-    BYTE keycode;
-    QString guid;
-    bool shift;
-    bool ctrl;
-    bool alt;
-    bool held;
-    bool enabled;
-    Timer timer;
-public:
-    Key() : keycode(0), shift(false), ctrl(false), alt(false), held(true), enabled(true) {}
-
-    bool should_process();
-};
-
-struct OPENTRACK_LOGIC_EXPORT KeybindingWorker : private QThread
-{
-    using fun = std::function<void(const Key&)>;
-
-private:
-    LPDIRECTINPUTDEVICE8 dinkeyboard;
-    win32_joy_ctx joy_ctx;
-    std::vector<std::unique_ptr<fun>> receivers;
-    QMutex mtx;
-    QMainWindow fake_main_window;
-    volatile bool should_quit;
-
-    void run() override;
-    KeybindingWorker();
-
-    static KeybindingWorker& make();
-    fun* _add_receiver(fun &receiver);
-    void remove_receiver(fun* pos);
-    ~KeybindingWorker();
-
-    KeybindingWorker(const KeybindingWorker&) = delete;
-    KeybindingWorker& operator=(KeybindingWorker&) = delete;
-public:
-    class Token
-    {
-        fun* pos;
-        Token(const Token&) = delete;
-        Token& operator=(Token&) = delete;
-    public:
-        ~Token()
-        {
-            make().remove_receiver(pos);
-        }
-        Token(fun receiver)
-        {
-            pos = make()._add_receiver(receiver);
-        }
-    };
-};
diff --git a/opentrack-logic/shortcuts.h b/opentrack-logic/shortcuts.h
index d6a87672..b44864ba 100644
--- a/opentrack-logic/shortcuts.h
+++ b/opentrack-logic/shortcuts.h
@@ -19,7 +19,7 @@
 #include "main-settings.hpp"
 
 #ifdef _WIN32
-#   include "keybinding-worker.hpp"
+#   include "opentrack-dinput/keybinding-worker.hpp"
 #endif
 
 #if defined(__GNUC__) && !defined(_WIN32)
diff --git a/opentrack-logic/win32-joystick.cpp b/opentrack-logic/win32-joystick.cpp
deleted file mode 100644
index fa1a8060..00000000
--- a/opentrack-logic/win32-joystick.cpp
+++ /dev/null
@@ -1,362 +0,0 @@
-#ifdef _WIN32
-
-#undef NDEBUG
-#include "win32-joystick.hpp"
-#include "opentrack-compat/sleep.hpp"
-#include <cassert>
-#include <cstring>
-#include <algorithm>
-#include <cmath>
-#include <objbase.h>
-
-QMutex win32_joy_ctx::enum_state::mtx;
-win32_joy_ctx::enum_state win32_joy_ctx::enumerator;
-
-void win32_joy_ctx::poll(fn f)
-{
-    //refresh(false);
-
-    QMutexLocker l(&enumerator.mtx);
-
-    auto& joys = enumerator.get_joys();
-
-    for (auto& j : joys)
-    {
-        j.second->poll(f);
-    }
-}
-
-bool win32_joy_ctx::poll_axis(const QString &guid, int* axes)
-{
-    QMutexLocker l(&enumerator.mtx);
-
-    for (int k = 0; k < 10; k++)
-    {
-        if (k > 0)
-            enumerator.refresh();
-
-        const joys_t& joys = enumerator.get_joys();
-        auto iter = joys.find(guid);
-
-        if (iter == joys.end())
-            return false;
-
-        auto& j = iter->second;
-
-        auto& joy_handle = j->joy_handle;
-        bool ok = false;
-        HRESULT hr;
-
-        if (!FAILED(hr = joy_handle->Poll()))
-        {
-            ok = true;
-        }
-
-        if (!ok && FAILED(hr = joy_handle->Acquire()))
-        {
-            //qDebug() << "joy acquire failed" << hr;
-        }
-
-        if (!ok)
-        {
-            portable::sleep(25);
-            (void) joy_handle->Unacquire();
-            continue;
-        }
-
-        DIJOYSTATE2 js;
-        std::memset(&js, 0, sizeof(js));
-
-        if (FAILED(hr = joy_handle->GetDeviceState(sizeof(js), &js)))
-        {
-            qDebug() << "joy get state failed" << guid << hr;
-            continue;
-        }
-
-        const int values[] =
-        {
-            js.lX,
-            js.lY,
-            js.lZ,
-            js.lRx,
-            js.lRy,
-            js.lRz,
-            js.rglSlider[0],
-            js.rglSlider[1]
-        };
-
-        for (int i = 0; i < 8; i++)
-            axes[i] = values[i];
-
-        return true;
-    }
-
-    return false;
-}
-
-std::vector<win32_joy_ctx::joy_info> win32_joy_ctx::get_joy_info()
-{
-    std::vector<joy_info> ret;
-    QMutexLocker l(&enumerator.mtx);
-    auto& joys = enumerator.get_joys();
-    ret.reserve(joys.size());
-
-    for (auto& j : joys)
-        ret.push_back(joy_info { j.second->name, j.first });
-
-    std::sort(ret.begin(), ret.end(), [&](const joy_info& fst, const joy_info& snd) -> bool { return fst.name < snd.name; });
-
-    return ret;
-}
-
-win32_joy_ctx::win32_joy_ctx()
-{
-    refresh();
-}
-
-void win32_joy_ctx::refresh()
-{
-    QMutexLocker l(&enumerator.mtx);
-    enumerator.refresh();
-}
-
-QString win32_joy_ctx::guid_to_string(const GUID guid)
-{
-    char buf[40] = {0};
-    wchar_t szGuidW[40] = {0};
-
-    StringFromGUID2(guid, szGuidW, 40);
-    WideCharToMultiByte(0, 0, szGuidW, -1, buf, 40, NULL, NULL);
-
-    return QString(buf);
-}
-
-using fn = win32_joy_ctx::fn;
-
-void win32_joy_ctx::joy::release()
-{
-    if (joy_handle)
-    {
-        (void) joy_handle->Unacquire();
-        joy_handle->Release();
-        joy_handle = nullptr;
-    }
-}
-
-bool win32_joy_ctx::joy::poll(fn f)
-{
-    HRESULT hr;
-    bool ok = false;
-
-    (void) joy_handle->Acquire();
-
-    if (!FAILED(hr = joy_handle->Poll()))
-        ok = true;
-
-    if (!ok)
-    {
-        qDebug() << "joy acquire failed" << guid << hr;
-        (void) joy_handle->Unacquire();
-        return false;
-    }
-
-    DIJOYSTATE2 js;
-    std::memset(&js, 0, sizeof(js));
-
-    if (FAILED(hr = joy_handle->GetDeviceState(sizeof(js), &js)))
-    {
-        qDebug() << "joy get state failed" << guid << hr;
-        return false;
-    }
-
-    for (unsigned i = 0; i < 4; i++)
-    {
-        using std::round;
-
-        unsigned char pos;
-        unsigned pos_ = js.rgdwPOV[i];
-        if ((pos_ & 0xffff) == 0xffff)
-            pos = 0;
-        else if (pos_ == ~0u)
-            pos = 0;
-        else
-        {
-            using uc = unsigned char;
-            pos = uc(((pos_ / 9000u) % 4u) + 1u);
-        }
-
-        const bool state[] =
-        {
-            pos == 1,
-            pos == 2,
-            pos == 3,
-            pos == 4
-        };
-
-        unsigned idx = 128u + i * 4u;
-
-        for (unsigned j = 0; j < 4; j++, idx++)
-        {
-            if (state[j] != pressed[idx])
-            {
-                f(guid, int(idx), state[j]);
-                pressed[idx] = state[j];
-            }
-        }
-    }
-
-    for (int i = 0; i < 128; i++)
-    {
-        const bool state = !!(js.rgbButtons[i] & 0x80);
-        if (state != pressed[i])
-        {
-            f(guid, i, state);
-        }
-        pressed[i] = state;
-    }
-
-    return true;
-}
-
-win32_joy_ctx::enum_state::enum_state()
-{
-}
-
-win32_joy_ctx::enum_state::~enum_state()
-{
-    QMutexLocker l(&mtx);
-
-    joys = std::unordered_map<QString, std::shared_ptr<joy>>();
-}
-
-void win32_joy_ctx::enum_state::refresh()
-{
-    all.clear();
-
-    di_t di = dinput_handle::make_di();
-    if (!di)
-    {
-        qDebug() << "can't create dinput";
-        return;
-    }
-
-    HRESULT hr;
-
-    if(FAILED(hr = di->EnumDevices(DI8DEVCLASS_GAMECTRL,
-                                   EnumJoysticksCallback,
-                                   this,
-                                   DIEDFL_ATTACHEDONLY)))
-    {
-        qDebug() << "failed enum joysticks" << hr;
-        return;
-    }
-
-    for (auto it = joys.begin(); it != joys.end(); )
-    {
-        if (std::find_if(all.cbegin(), all.cend(), [&](const QString& guid2) -> bool { return it->second->guid == guid2; }) == all.end())
-        {
-            it = joys.erase(it);
-        }
-        else
-        {
-            ++it;
-        }
-    }
-}
-
-BOOL CALLBACK win32_joy_ctx::enum_state::EnumJoysticksCallback(const DIDEVICEINSTANCE *pdidInstance, void *pContext)
-{
-    di_t di = dinput_handle::make_di();
-    if (!di)
-    {
-        qDebug() << "can't create dinput";
-        return DIENUM_STOP;
-    }
-
-    enum_state& state = *reinterpret_cast<enum_state*>(pContext);
-    const QString guid = guid_to_string(pdidInstance->guidInstance);
-    const QString name = QString(pdidInstance->tszInstanceName);
-
-    const bool exists = state.joys.find(guid) != state.joys.end();
-
-    state.all.push_back(guid);
-
-    if (exists)
-        goto end;
-
-    {
-        HRESULT hr;
-        LPDIRECTINPUTDEVICE8 h;
-        if (FAILED(hr = di->CreateDevice(pdidInstance->guidInstance, &h, nullptr)))
-        {
-            qDebug() << "createdevice" << guid << hr;
-            goto end;
-        }
-        if (FAILED(h->SetDataFormat(&c_dfDIJoystick2)))
-        {
-            qDebug() << "format";
-            h->Release();
-            goto end;
-        }
-
-        // not a static member - need main() to run for some time first
-        static const QWidget fake_window;
-
-        if (FAILED(h->SetCooperativeLevel(reinterpret_cast<HWND>(fake_window.winId()), DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)))
-        {
-            qDebug() << "coop";
-            h->Release();
-            goto end;
-        }
-        if (FAILED(hr = h->EnumObjects(EnumObjectsCallback, h, DIDFT_ALL)))
-        {
-            qDebug() << "enum-objects";
-            h->Release();
-            goto end;
-        }
-
-        state.joys[guid] = std::make_shared<joy>(h, guid, name);
-    }
-end:
-    return DIENUM_CONTINUE;
-}
-
-BOOL CALLBACK win32_joy_ctx::enum_state::EnumObjectsCallback(const DIDEVICEOBJECTINSTANCE *pdidoi, void *ctx)
-{
-    if (pdidoi->dwType & DIDFT_AXIS)
-    {
-        DIPROPRANGE diprg;
-        std::memset(&diprg, 0, sizeof(diprg));
-        diprg.diph.dwSize = sizeof( DIPROPRANGE );
-        diprg.diph.dwHeaderSize = sizeof( DIPROPHEADER );
-        diprg.diph.dwHow = DIPH_BYID;
-        diprg.diph.dwObj = pdidoi->dwType;
-        diprg.lMax = joy_axis_size;
-        diprg.lMin = -joy_axis_size;
-
-        HRESULT hr;
-
-        if (FAILED(hr = reinterpret_cast<LPDIRECTINPUTDEVICE8>(ctx)->SetProperty(DIPROP_RANGE, &diprg.diph)))
-        {
-            qDebug() << "DIPROP_RANGE" << hr;
-            return DIENUM_STOP;
-        }
-    }
-
-    return DIENUM_CONTINUE;
-}
-
-win32_joy_ctx::joy::joy(LPDIRECTINPUTDEVICE8 handle, const QString &guid, const QString &name)
-    : joy_handle(handle), guid(guid), name(name)
-{
-    qDebug() << "make joy" << guid << name << joy_handle;
-    std::memset(pressed, 0, sizeof(pressed));
-}
-
-win32_joy_ctx::joy::~joy()
-{
-    qDebug() << "nix joy" << guid;
-    release();
-}
-
-#endif
diff --git a/opentrack-logic/win32-joystick.hpp b/opentrack-logic/win32-joystick.hpp
deleted file mode 100644
index f8c2e7e4..00000000
--- a/opentrack-logic/win32-joystick.hpp
+++ /dev/null
@@ -1,93 +0,0 @@
-#pragma once
-
-#ifdef _WIN32
-
-#include "dinput.hpp"
-#include "opentrack-compat/timer.hpp"
-#include "export.hpp"
-#include <cstring>
-#include <memory>
-#include <vector>
-#include <functional>
-#include <algorithm>
-#include <unordered_map>
-#include <QString>
-#include <QDebug>
-#include <QMutex>
-#include <QMutexLocker>
-#include <QWidget>
-
-namespace std {
-template<>
-struct hash<QString>
-{
-    inline std::size_t operator()(const QString& value) const
-    {
-        return qHash(value);
-    }
-};
-}
-
-struct OPENTRACK_LOGIC_EXPORT win32_joy_ctx
-{
-    using fn = std::function<void(const QString& guid, int btn, bool held)>;
-
-    struct joy
-    {
-        LPDIRECTINPUTDEVICE8 joy_handle;
-        QString guid, name;
-        bool pressed[128 + 4 * 4];
-        Timer first_timer;
-
-        joy(LPDIRECTINPUTDEVICE8 handle, const QString& guid, const QString& name);
-        ~joy();
-
-        void release();
-        bool poll(fn f);
-    };
-
-    using joys_t = std::unordered_map<QString, std::shared_ptr<joy>>;
-
-    static constexpr int joy_axis_size = 65535;
-
-    struct joy_info
-    {
-        QString name, guid;
-    };
-
-    void poll(fn f);
-    bool poll_axis(const QString& guid, int* axes);
-    std::vector<joy_info> get_joy_info();
-
-    win32_joy_ctx(const win32_joy_ctx&) = delete;
-    win32_joy_ctx& operator=(const win32_joy_ctx&) = delete;
-
-    win32_joy_ctx();
-    void refresh();
-
-    using di_t = dinput_handle::di_t;
-
-private:
-    static QString guid_to_string(const GUID guid);
-
-    class enum_state final
-    {
-        std::vector<QString> all;
-        joys_t joys;
-
-        static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE* pdidInstance, VOID* pContext);
-        static BOOL CALLBACK EnumObjectsCallback(const DIDEVICEOBJECTINSTANCE* pdidoi, VOID* ctx);
-
-    public:
-        static QMutex mtx;
-
-        enum_state();
-        ~enum_state();
-        void refresh();
-        const joys_t& get_joys() const { return joys; }
-    };
-
-    static enum_state enumerator;
-};
-
-#endif