1 files changed, 112 insertions, 0 deletions
diff --git a/opentrack/keybinding-worker.cpp b/opentrack/keybinding-worker.cpp
new file mode 100644
index 00000000..29b2cf9f
--- /dev/null
+++ b/opentrack/keybinding-worker.cpp
@@ -0,0 +1,112 @@
+/* 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.
+ */
+
+#include "keybinding-worker.hpp"
+
+#if defined(_WIN32)
+#   include <functional>
+#   include <windows.h>
+#   include <QDebug>
+
+KeybindingWorker::~KeybindingWorker() {
+    should_quit = true;
+    wait();
+    if (dinkeyboard) {
+        dinkeyboard->Unacquire();
+        dinkeyboard->Release();
+    }
+    if (din)
+        din->Release();
+}
+
+KeybindingWorker::KeybindingWorker(std::function<void(Key&)> receiver, WId h) :
+    should_quit(true), receiver(receiver)
+{
+    HWND handle = reinterpret_cast<HWND>(h);
+
+    if (DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&din, NULL) != DI_OK) {
+        qDebug() << "setup DirectInput8 Creation failed!" << GetLastError();
+        return;
+    }
+    if (din->CreateDevice(GUID_SysKeyboard, &dinkeyboard, NULL) != DI_OK) {
+        din->Release();
+        din = 0;
+        qDebug() << "setup CreateDevice function failed!" << GetLastError();
+        return;
+    }
+    if (dinkeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK) {
+        qDebug() << "setup SetDataFormat function failed!" << GetLastError();
+        dinkeyboard->Release();
+        dinkeyboard = 0;
+        din->Release();
+        din = 0;
+        return;
+    }
+    if (dinkeyboard->SetCooperativeLevel((HWND) handle, DISCL_NONEXCLUSIVE | DISCL_BACKGROUND) != DI_OK) {
+        dinkeyboard->Release();
+        din->Release();
+        din = 0;
+        dinkeyboard = 0;
+        qDebug() << "setup SetCooperativeLevel function failed!" << GetLastError();
+        return;
+    }
+    if (dinkeyboard->Acquire() != DI_OK)
+    {
+        dinkeyboard->Release();
+        din->Release();
+        din = 0;
+        dinkeyboard = 0;
+        qDebug() << "setup dinkeyboard Acquire failed!" << GetLastError();
+        return;
+    }
+    should_quit = false;
+}
+
+void KeybindingWorker::run() {
+    BYTE keystate[256];
+
+    while (!should_quit)
+    {
+        if (dinkeyboard->GetDeviceState(256, (LPVOID)keystate) != DI_OK) {
+            qDebug() << "Tracker::run GetDeviceState function failed!" << GetLastError();
+            Sleep(25);
+            continue;
+        }
+
+        QMutexLocker l(&mtx);
+
+        for (int i = 0; i < 256; i++)
+        {
+            Key k;
+            if (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;
+                    receiver(k);
+                    break;
+                }
+            }
+        }
+
+        // keypresses get dropped with high values
+        Sleep(4);
+    }
+}
+#endif
+\ No newline at end of file