move to subdirectory-based build system

Closes #224

7 files changed, 301 insertions, 0 deletions

diff --git a/protocol-libevdev/CMakeLists.txt b/protocol-libevdev/CMakeLists.txt
new file mode 100644
index 00000000..960a1271
--- /dev/null
+++ b/protocol-libevdev/CMakeLists.txt
@@ -0,0 +1,10 @@
+if(LINUX OR APPLE)
+    set(SDK_ENABLE_LIBEVDEV FALSE CACHE BOOL "libevdev virtual joystick protocol support")
+    if(SDK_ENABLE_LIBEVDEV)
+        include(FindPkgConfig)
+        opentrack_boilerplate(opentrack-proto-libevdev)
+        pkg_check_modules(libevdev REQUIRED QUIET libevdev)
+        target_link_libraries(opentrack-proto-libevdev ${libevdev_LIBRARIES})
+        include_directories(opentrack-proto-libevdev SYSTEM PUBLIC ${libevdev_INCLUDE_DIRS})
+    endif()
+endif()
diff --git a/protocol-libevdev/ftnoir_libevdev_controls.ui b/protocol-libevdev/ftnoir_libevdev_controls.ui
new file mode 100644
index 00000000..d2b86445
--- /dev/null
+++ b/protocol-libevdev/ftnoir_libevdev_controls.ui
@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>UICLibevdevControls</class>
+ <widget class="QWidget" name="UICLibevdevControls">
+  <property name="windowModality">
+   <enum>Qt::NonModal</enum>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>228</width>
+    <height>69</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>VJoy</string>
+  </property>
+  <property name="windowIcon">
+   <iconset>
+    <normaloff>:/images/vjoy.png</normaloff>:/images/vjoy.png</iconset>
+  </property>
+  <property name="layoutDirection">
+   <enum>Qt::LeftToRight</enum>
+  </property>
+  <property name="autoFillBackground">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="_vertical_layout">
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Make sure rw for /dev/input/uinput!</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_2">
+       <property name="sizeConstraint">
+        <enum>QLayout::SetDefaultConstraint</enum>
+       </property>
+       <item>
+        <widget class="QPushButton" name="btnOK">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>100</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>100</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="text">
+          <string>OK</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QPushButton" name="btnCancel">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>100</width>
+           <height>0</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>100</width>
+           <height>16777215</height>
+          </size>
+         </property>
+         <property name="text">
+          <string>Cancel</string>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>btnOK</tabstop>
+  <tabstop>btnCancel</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+ <slots>
+  <slot>startEngineClicked()</slot>
+  <slot>stopEngineClicked()</slot>
+  <slot>cameraSettingsClicked()</slot>
+ </slots>
+</ui>
diff --git a/protocol-libevdev/ftnoir_protocol_libevdev.cpp b/protocol-libevdev/ftnoir_protocol_libevdev.cpp
new file mode 100644
index 00000000..96805b39
--- /dev/null
+++ b/protocol-libevdev/ftnoir_protocol_libevdev.cpp
@@ -0,0 +1,97 @@
+#include "ftnoir_protocol_libevdev.h"
+#include "opentrack/plugin-api.hpp"
+#include <cstdio>
+#include <algorithm>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#define CHECK_LIBEVDEV(expr) if ((error = (expr)) != 0) goto error;
+
+static const int max_input = 65535;
+static const int mid_input = 32767;
+static const int min_input = 0;
+
+FTNoIR_Protocol::FTNoIR_Protocol() : dev(NULL), uidev(NULL)
+{
+    int error = 0;
+
+    dev = libevdev_new();
+
+    if (!dev)
+        goto error;
+
+    CHECK_LIBEVDEV(libevdev_enable_property(dev, INPUT_PROP_BUTTONPAD));
+
+    libevdev_set_name(dev, "opentrack headpose");
+
+    struct input_absinfo absinfo;
+
+    absinfo.minimum = min_input;
+    absinfo.maximum = max_input;
+    absinfo.resolution = 1;
+    absinfo.value = mid_input;
+    absinfo.flat = 1;
+    absinfo.fuzz = 0;
+
+    CHECK_LIBEVDEV(libevdev_enable_event_type(dev, EV_ABS));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_X, &absinfo));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_Y, &absinfo));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_Z, &absinfo));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RX, &absinfo));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RY, &absinfo));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_ABS, ABS_RZ, &absinfo));
+
+    /* do not remove next 3 lines or udev scripts won't assign 0664 permissions -sh */
+    CHECK_LIBEVDEV(libevdev_enable_event_type(dev, EV_KEY));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_KEY, BTN_JOYSTICK, NULL));
+    CHECK_LIBEVDEV(libevdev_enable_event_code(dev, EV_KEY, BTN_TRIGGER, NULL));
+
+    CHECK_LIBEVDEV(libevdev_uinput_create_from_device(dev, LIBEVDEV_UINPUT_OPEN_MANAGED, &uidev));
+
+    return;
+error:
+    if (uidev)
+        libevdev_uinput_destroy(uidev);
+    if (dev)
+        libevdev_free(dev);
+    if (error)
+        fprintf(stderr, "libevdev error: %d\n", error);
+    uidev = NULL;
+    dev = NULL;
+}
+
+FTNoIR_Protocol::~FTNoIR_Protocol()
+{
+    if (uidev)
+        libevdev_uinput_destroy(uidev);
+    if (dev)
+        libevdev_free(dev);
+}
+
+void FTNoIR_Protocol::pose(const double* headpose) {
+    static const int axes[] = {
+        /* translation goes first */
+        ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ
+    };
+
+    static const int max_value[] = {
+        100,
+        100,
+        100,
+        180,
+        90,
+        180
+    };
+
+    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);
+        (void) libevdev_uinput_write_event(uidev, EV_ABS, axes[i], normalized);
+    }
+
+    (void) libevdev_uinput_write_event(uidev, EV_SYN, SYN_REPORT, 0);
+}
+
+OPENTRACK_DECLARE_PROTOCOL(FTNoIR_Protocol, LibevdevControls, FTNoIR_ProtocolDll)
diff --git a/protocol-libevdev/ftnoir_protocol_libevdev.h b/protocol-libevdev/ftnoir_protocol_libevdev.h
new file mode 100644
index 00000000..ecb3b201
--- /dev/null
+++ b/protocol-libevdev/ftnoir_protocol_libevdev.h
@@ -0,0 +1,57 @@
+/* Copyright (c) 2013 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 "ui_ftnoir_libevdev_controls.h"
+
+#include <QMessageBox>
+#include "opentrack/plugin-api.hpp"
+
+extern "C" {
+#   include <libevdev/libevdev.h>
+#   include <libevdev/libevdev-uinput.h>
+}
+
+class FTNoIR_Protocol : public IProtocol
+{
+public:
+    FTNoIR_Protocol();
+    ~FTNoIR_Protocol() override;
+    bool correct() {
+        return dev != NULL;
+    }
+    void pose(const double *headpose);
+    QString game_name() {
+        return "Virtual joystick for Linux";
+    }
+private:
+    struct libevdev* dev;
+    struct libevdev_uinput* uidev;
+};
+
+class LibevdevControls: public IProtocolDialog
+{
+    Q_OBJECT
+public:
+    LibevdevControls();
+    void register_protocol(IProtocol *) {}
+    void unregister_protocol() {}
+
+private:
+    Ui::UICLibevdevControls ui;
+    void save();
+
+private slots:
+    void doOK();
+    void doCancel();
+};
+
+class FTNoIR_ProtocolDll : public Metadata
+{
+public:
+    QString name() { return QString("libevdev joystick receiver"); }
+    QIcon icon() { return QIcon(":/images/linux.png"); }
+};
diff --git a/protocol-libevdev/ftnoir_protocol_libevdev_dialog.cpp b/protocol-libevdev/ftnoir_protocol_libevdev_dialog.cpp
new file mode 100644
index 00000000..70495a8f
--- /dev/null
+++ b/protocol-libevdev/ftnoir_protocol_libevdev_dialog.cpp
@@ -0,0 +1,21 @@
+#include "ftnoir_protocol_libevdev.h"
+#include "opentrack/plugin-api.hpp"
+
+LibevdevControls::LibevdevControls()
+{
+	ui.setupUi( this );
+	connect(ui.btnOK, SIGNAL(clicked()), this, SLOT(doOK()));
+	connect(ui.btnCancel, SIGNAL(clicked()), this, SLOT(doCancel()));
+}
+
+void LibevdevControls::doOK() {
+	save();
+	this->close();
+}
+
+void LibevdevControls::doCancel() {
+    this->close();
+}
+
+void LibevdevControls::save() {
+}
diff --git a/protocol-libevdev/images/linux.png b/protocol-libevdev/images/linux.png
new file mode 100644
index 00000000..8836c0e2
--- /dev/null
+++ b/protocol-libevdev/images/linux.png
diff --git a/protocol-libevdev/libevdev-protocol.qrc b/protocol-libevdev/libevdev-protocol.qrc
new file mode 100644
index 00000000..70bb415f
--- /dev/null
+++ b/protocol-libevdev/libevdev-protocol.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>images/linux.png</file>
+    </qresource>
+</RCC>