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/* 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>
#include <QMutexLocker>
KeybindingWorker::~KeybindingWorker() {
qDebug() << "keybinding worker stop";
should_quit = true;
wait();
if (dinkeyboard) {
dinkeyboard->Unacquire();
dinkeyboard->Release();
}
if (din)
din->Release();
}
KeybindingWorker::KeybindingWorker() : should_quit(true)
{
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(GetDesktopWindow(), 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;
start();
}
KeybindingWorker& KeybindingWorker::make()
{
static KeybindingWorker k;
return k;
}
void KeybindingWorker::run() {
BYTE keystate[256] = {0};
while (!should_quit)
{
{
QMutexLocker l(&mtx);
if (receivers.size())
{
{
const HRESULT hr = dinkeyboard->GetDeviceState(256, (LPVOID)keystate);
if (hr != DI_OK) {
qDebug() << "Tracker::run GetDeviceState function failed!" << GetLastError();
Sleep(25);
continue;
}
}
{
using joy_fn = std::function<void(const QString& guid, int idx, bool held)>;
joy_fn f = [&](const QString& guid, int idx, bool held) -> void {
Key k;
k.keycode = idx;
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.guid = guid;
k.held = held;
for (auto& r : receivers)
r(k);
};
joy_ctx.poll(f);
}
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;
for (auto& r : receivers)
r(k);
break;
}
}
}
}
}
// keypresses get dropped with high values
Sleep(4);
}
}
KeybindingWorker::fun* KeybindingWorker::_add_receiver(KeybindingWorker::fun receiver)
{
QMutexLocker l(&mtx);
receivers.push_back(receiver);
qDebug() << "add receiver" << (long) &receivers[receivers.size()-1];
return &receivers[receivers.size()-1];
}
void KeybindingWorker::remove_receiver(KeybindingWorker::fun* pos)
{
QMutexLocker l(&mtx);
bool ok = false;
for (int i = receivers.size() - 1; i >= 0; i--)
{
if (&receivers[i] == pos)
{
ok = true;
qDebug() << "remove receiver" << (long) pos;
receivers.erase(receivers.begin() + i);
}
}
if (!ok)
{
qDebug() << "bad remove receiver" << (long) pos;
}
}
#endif
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