1 files changed, 0 insertions, 312 deletions
diff --git a/tracker-tobii-eyex/tobii-eyex.cpp b/tracker-tobii-eyex/tobii-eyex.cpp
deleted file mode 100644
index a559c8dd..00000000
--- a/tracker-tobii-eyex/tobii-eyex.cpp
+++ /dev/null
@@ -1,312 +0,0 @@
-#include "tobii-eyex.hpp"
-#include "compat/math-imports.hpp"
-
-#include <cstdlib>
-#include <cstdio>
-
-#include <QDebug>
-#include <QMutexLocker>
-#include <QMessageBox>
-
-//#define TOBII_EYEX_DEBUG_PRINTF
-#define TOBII_EYEX_VERBOSE_PRINTF
-
-#ifdef TOBII_EYEX_VERBOSE_PRINTF
-#   define dbg_verbose(msg) (qDebug() << "tobii-eyex:" << (msg))
-#else
-#   define dbg_verbose(msg) (QMessageLogger().noDebug() << (msg))
-#endif
-
-#ifdef TOBII_EYEX_DEBUG_PRINTF
-#   define dbg_debug(msg) (qDebug() << "tobii-eyex:" << (msg))
-#else
-#   define dbg_debug(msg) (QMessageLogger().noDebug() << (msg))
-#endif
-
-#define dbg_notice(msg) (qDebug() << "tobii-eyex:" << (msg))
-
-std::atomic_flag tobii_eyex_tracker::atexit_done = ATOMIC_FLAG_INIT;
-
-static inline tobii_eyex_tracker& to_self(TX_USERPARAM param)
-{
-    return *reinterpret_cast<tobii_eyex_tracker*>(param);
-}
-
-tobii_eyex_tracker::tobii_eyex_tracker() :
-    dev_ctx(TX_EMPTY_HANDLE),
-    conn_state_changed_ticket(TX_INVALID_TICKET),
-    event_handler_ticket(TX_INVALID_TICKET),
-    state_snapshot(TX_EMPTY_HANDLE),
-    display_state(TX_EMPTY_HANDLE),
-    yaw(0),
-    pitch(0),
-    do_center(false)
-{
-}
-
-void tobii_eyex_tracker::call_tx_deinit()
-{
-    dbg_notice("uninitialize in atexit at _fini time");
-    (void) txUninitializeEyeX();
-}
-
-tobii_eyex_tracker::~tobii_eyex_tracker()
-{
-    dbg_verbose("dtor");
-
-    (void) txDisableConnection(dev_ctx);
-    (void) txReleaseObject(&state_snapshot);
-
-    bool status = true;
-    status &= txShutdownContext(dev_ctx, TX_CLEANUPTIMEOUT_FORCEIMMEDIATE, TX_FALSE) == TX_RESULT_OK;
-    status &= txReleaseContext(&dev_ctx) == TX_RESULT_OK;
-
-    // the API cleanup function needs to be called exactly once over image lifetime.
-    // client software communicates with a service and a desktop program.
-    // API is ambiguous as to what happens if the image doesn't call it or crashes.
-    if (!atexit_done.test_and_set())
-        std::atexit(call_tx_deinit);
-
-    if (!status)
-        dbg_notice("tobii-eyex: can't shutdown properly");
-}
-
-bool tobii_eyex_tracker::register_state_snapshot(TX_CONTEXTHANDLE dev_ctx, TX_HANDLE* state_snapshot_ptr)
-{
-    TX_HANDLE handle = TX_EMPTY_HANDLE;
-    TX_GAZEPOINTDATAPARAMS params = { TX_GAZEPOINTDATAMODE_LIGHTLYFILTERED };
-
-    bool status = true;
-
-    status &= txCreateGlobalInteractorSnapshot(dev_ctx, client_id, state_snapshot_ptr, &handle) == TX_RESULT_OK;
-    status &= txCreateGazePointDataBehavior(handle, &params) == TX_RESULT_OK;
-
-    (void) txReleaseObject(&handle);
-
-    return status;
-}
-
-void tobii_eyex_tracker::process_display_state(TX_HANDLE display_state_handle)
-{
-    TX_SIZE2 screen_res;
-
-    if (txGetStateValueAsSize2(display_state_handle, TX_STATEPATH_EYETRACKINGSCREENBOUNDS, &screen_res) == TX_RESULT_OK)
-    {
-        dbg_verbose("got display resolution") << screen_res.Width << screen_res.Height;
-
-        QMutexLocker l(&global_state_mtx);
-
-        dev_state.display_res_x = screen_res.Width;
-        dev_state.display_res_y = screen_res.Height;
-    }
-    else
-        dbg_notice("can't get display resolution");
-}
-
-void tobii_eyex_tracker::display_state_handler(TX_CONSTHANDLE async_data_handle, TX_USERPARAM param)
-{
-    tobii_eyex_tracker& self = to_self(param);
-
-    TX_RESULT result = TX_RESULT_UNKNOWN;
-    TX_HANDLE state = TX_EMPTY_HANDLE;
-
-    if (txGetAsyncDataResultCode(async_data_handle, &result) == TX_RESULT_OK &&
-        txGetAsyncDataContent(async_data_handle, &state) == TX_RESULT_OK)
-    {
-        self.process_display_state(state);
-        txReleaseObject(&state);
-    }
-    else
-        dbg_notice("error in display state handler");
-}
-
-void tobii_eyex_tracker::snapshot_committed_handler(TX_CONSTHANDLE async_data_handle, TX_USERPARAM)
-{
-    TX_RESULT result = TX_RESULT_UNKNOWN;
-    txGetAsyncDataResultCode(async_data_handle, &result);
-
-    if (!(result == TX_RESULT_OK || result == TX_RESULT_CANCELLED))
-        dbg_notice("snapshot bad result code") << result;
-}
-
-void tobii_eyex_tracker::connection_state_change_handler(TX_CONNECTIONSTATE state, TX_USERPARAM param)
-{
-    tobii_eyex_tracker& self = to_self(param);
-
-    switch (state)
-    {
-    case TX_CONNECTIONSTATE_CONNECTED:
-    {
-        bool status = txCommitSnapshotAsync(self.state_snapshot, snapshot_committed_handler, param) == TX_RESULT_OK;
-        if (!status)
-            dbg_notice("connected but failed to initialize data stream");
-        else
-        {
-            txGetStateAsync(self.dev_ctx, TX_STATEPATH_EYETRACKINGSCREENBOUNDS, display_state_handler, param);
-            dbg_notice("connected, data stream ok");
-        }
-    }
-        break;
-    case TX_CONNECTIONSTATE_DISCONNECTED:
-        dbg_notice("connection state is now disconnected");
-        break;
-    case TX_CONNECTIONSTATE_TRYINGTOCONNECT:
-        dbg_verbose("trying to establish connection");
-        break;
-    case TX_CONNECTIONSTATE_SERVERVERSIONTOOLOW:
-        dbg_notice("installed driver version too low");
-        break;
-    case TX_CONNECTIONSTATE_SERVERVERSIONTOOHIGH:
-        dbg_notice("new driver came up, we need to update sdk");
-        break;
-    }
-}
-
-void tobii_eyex_tracker::gaze_data_handler(TX_HANDLE gaze_data_handle)
-{
-    TX_GAZEPOINTDATAEVENTPARAMS params;
-
-    if (txGetGazePointDataEventParams(gaze_data_handle, &params) == TX_RESULT_OK)
-    {
-        {
-            QMutexLocker l(&global_state_mtx);
-
-            if (params.Timestamp > dev_state.last_timestamp &&
-                dev_state.display_res_x > 0 &&
-                // the API allows for events outside screen bounds to e.g. detect looking at keyboard.
-                // closer to the screen bounds, the values get less accurate.
-                // ignore events outside the screen bounds.
-                params.X >= 0 && params.X < dev_state.display_res_x &&
-                params.Y >= 0 && params.Y < dev_state.display_res_y)
-            {
-                dev_state.last_timestamp = params.Timestamp;
-                dev_state.px = params.X;
-                dev_state.py = params.Y;
-
-#ifdef TOBII_EYEX_DEBUG_PRINTF
-                char buf[256] = {0};
-                (void) std::sprintf(buf, "gaze data: (%.1f, %.1f)", params.X, params.Y);
-                dbg_debug(buf);
-#endif
-
-                dev_state.fresh = true;
-            }
-        }
-    }
-    else
-    {
-        dbg_notice("failed to interpret gaze data event packet");
-    }
-}
-
-void tobii_eyex_tracker::event_handler(TX_CONSTHANDLE async_data_handle, TX_USERPARAM param)
-{
-    tobii_eyex_tracker& self = to_self(param);
-
-    TX_HANDLE event_handle = TX_EMPTY_HANDLE;
-    TX_HANDLE behavior_handle = TX_EMPTY_HANDLE;
-
-    txGetAsyncDataContent(async_data_handle, &event_handle);
-
-    if (txGetEventBehavior(event_handle, &behavior_handle, TX_BEHAVIORTYPE_GAZEPOINTDATA) == TX_RESULT_OK)
-    {
-        self.gaze_data_handler(behavior_handle);
-        txReleaseObject(&behavior_handle);
-    }
-
-    txReleaseObject(&event_handle);
-}
-
-module_status tobii_eyex_tracker::start_tracker(QFrame*)
-{
-    bool status = true;
-
-    status &= txInitializeEyeX(TX_EYEXCOMPONENTOVERRIDEFLAG_NONE, nullptr, nullptr, nullptr, nullptr) == TX_RESULT_OK;
-    status &= txCreateContext(&dev_ctx, TX_FALSE) == TX_RESULT_OK;
-    status &= register_state_snapshot(dev_ctx, &state_snapshot);
-    status &= txRegisterConnectionStateChangedHandler(dev_ctx, &conn_state_changed_ticket, connection_state_change_handler, reinterpret_cast<TX_USERPARAM>(this)) == TX_RESULT_OK;
-    status &= txRegisterEventHandler(dev_ctx, &event_handler_ticket, event_handler, reinterpret_cast<TX_USERPARAM>(this)) == TX_RESULT_OK;
-    status &= txEnableConnection(dev_ctx) == TX_RESULT_OK;
-
-    if (!status)
-        return error(otr_tr("Connection can't be established. device missing?"));
-    else
-        return status_ok();
-}
-
-tobii_eyex_tracker::num tobii_eyex_tracker::gain(num x)
-{
-    return 1;
-}
-
-static inline double signum(double x)
-{
-    return !(x < 0) - (x < 0);
-}
-
-void tobii_eyex_tracker::data(double* data)
-{
-    TX_REAL px, py, dw, dh, x_, y_;
-    bool fresh;
-
-    {
-        QMutexLocker l(&global_state_mtx);
-
-        if (!dev_state.is_valid())
-            return;
-
-        px = dev_state.px;
-        py = dev_state.py;
-        dw = dev_state.display_res_x;
-        dh = dev_state.display_res_y;
-
-        fresh = dev_state.fresh;
-        dev_state.fresh = false;
-    }
-
-    x_ = (px-dw/2.) / (dw/2.);
-    y_ = (py-dh/2.) / (dh/2.);
-
-    data[TX] = x_ * 50;
-    data[TY] = y_ * -50;
-
-    if (fresh)
-    {
-        const double dt = t.elapsed_seconds();
-        t.start();
-
-        using std::fabs;
-
-        constexpr double max_yaw = 45, max_pitch = 30;
-        constexpr double c_yaw = 3;
-        constexpr double c_pitch = c_yaw * max_pitch / max_yaw;
-
-        const double yaw_delta = gain(fabs(x_)) * signum(x_) * c_yaw * dt;
-        const double pitch_delta = gain(fabs(y_)) * signum(y_) * c_pitch * dt;
-
-        yaw += yaw_delta;
-        pitch += pitch_delta;
-
-        yaw = clamp(yaw, -max_yaw, max_yaw);
-        pitch = clamp(pitch, -max_pitch, max_pitch);
-    }
-
-    if (do_center)
-    {
-        do_center = false;
-        yaw = 0;
-        pitch = 0;
-    }
-
-    data[Yaw] = yaw;
-    data[Pitch] = pitch;
-    data[Roll] = 0;
-    data[TZ] = 0; // XXX TODO
-
-    // tan(x) in 0->.7 is almost linear. we don't need to adjust.
-    // .7 is 40 degrees which is already quite a lot from the monitor.
-}
-
-#include "tobii-eyex-dialog.hpp"
-
-OPENTRACK_DECLARE_TRACKER(tobii_eyex_tracker, tobii_eyex_dialog, tobii_eyex_metadata)