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-rw-r--r--opentrack/keybinding-worker.cpp112
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