From 9f06603e2d752f574b145bc3c4b5e453d7d306d0 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Sat, 13 Jan 2018 07:46:21 +0100
Subject: proto/libevdev: buffer flush, WIP

---
 proto-libevdev/ftnoir_protocol_libevdev.cpp | 26 +++++++++++++++++++++++---
 proto-libevdev/ftnoir_protocol_libevdev.h   | 16 +++++++++-------
 2 files changed, 32 insertions(+), 10 deletions(-)

(limited to 'proto-libevdev')

diff --git a/proto-libevdev/ftnoir_protocol_libevdev.cpp b/proto-libevdev/ftnoir_protocol_libevdev.cpp
index 8b8e294e..40ce1b80 100644
--- a/proto-libevdev/ftnoir_protocol_libevdev.cpp
+++ b/proto-libevdev/ftnoir_protocol_libevdev.cpp
@@ -1,10 +1,18 @@
 #include "ftnoir_protocol_libevdev.h"
 #include "api/plugin-api.hpp"
-#include <cstdio>
-#include <algorithm>
 
+#include <stdio.h>
+#include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <unistd.h>
+
+#include <errno.h>
+#include <string.h>
+
+#include "compat/util.hpp"
+
+#include <algorithm>
 
 #define CHECK_LIBEVDEV(expr) if ((error = (expr)) != 0) goto error;
 
@@ -87,11 +95,23 @@ void evdev::pose(const double* headpose) {
     for (int i = 0; i < 6; i++)
     {
         int value = headpose[i] * mid_input / max_value[i] + mid_input;
-        int normalized = std::max(std::min(max_input, value), min_input);
+        int normalized = clamp(value, min_input, max_input);
         (void) libevdev_uinput_write_event(uidev, EV_ABS, axes[i], normalized);
     }
 
     (void) libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
 }
 
+module_status evdev::initialize()
+{
+    if (access("/dev/uinput", R_OK | W_OK))
+    {
+        char buf[128] {};
+        (void) strerror_r(errno, buf, sizeof(buf));
+        return error(tr("Can't open /dev/uinput: %1").arg(buf));
+    }
+
+    return status_ok();
+}
+
 OPENTRACK_DECLARE_PROTOCOL(evdev, LibevdevControls, evdevDll)
diff --git a/proto-libevdev/ftnoir_protocol_libevdev.h b/proto-libevdev/ftnoir_protocol_libevdev.h
index 5606cbdf..7cf59053 100644
--- a/proto-libevdev/ftnoir_protocol_libevdev.h
+++ b/proto-libevdev/ftnoir_protocol_libevdev.h
@@ -7,13 +7,12 @@
 #pragma once
 #include "ui_ftnoir_libevdev_controls.h"
 
-#include <QMessageBox>
+#include "compat/macros.hpp"
 #include "api/plugin-api.hpp"
+#include <libevdev/libevdev.h>
+#include <libevdev/libevdev-uinput.h>
 
-extern "C" {
-#   include <libevdev/libevdev.h>
-#   include <libevdev/libevdev-uinput.h>
-}
+#include <QMessageBox>
 
 class evdev : public IProtocol
 {
@@ -25,8 +24,11 @@ public:
     }
     void pose(const double *headpose);
     QString game_name() {
-        return otr_tr("Virtual joystick for Linux");
+        return _("Virtual joystick for Linux");
     }
+
+    module_status initialize() override;
+
 private:
     struct libevdev* dev;
     struct libevdev_uinput* uidev;
@@ -52,6 +54,6 @@ private slots:
 class evdevDll : public Metadata
 {
 public:
-    QString name() { return QString("libevdev joystick receiver"); }
+    QString name() { return _("libevdev joystick receiver"); }
     QIcon icon() { return QIcon(":/images/linux.png"); }
 };
-- 
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