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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.
*/
#ifdef _WIN32
#include "keybinding-worker.hpp"
#include "compat/util.hpp"
#include <functional>
#include <windows.h>
#include <QDebug>
#include <QMutexLocker>
bool Key::should_process()
{
if (!enabled || (keycode == 0 && guid == ""))
return false;
bool ret = prog1(!held || timer.elapsed_ms() > 100,
timer.start());
return ret;
}
KeybindingWorker::~KeybindingWorker()
{
qDebug() << "exit: keybinding worker";
requestInterruption();
wait();
if (dinkeyboard) {
dinkeyboard->Unacquire();
dinkeyboard->Release();
}
}
bool KeybindingWorker::init()
{
if (!din)
{
qDebug() << "can't create dinput handle";
return false;
}
if (din->CreateDevice(GUID_SysKeyboard, &dinkeyboard, NULL) != DI_OK) {
qDebug() << "setup CreateDevice function failed!" << GetLastError();
return false;
}
if (dinkeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK) {
qDebug() << "setup SetDataFormat function failed!" << GetLastError();
dinkeyboard->Release();
dinkeyboard = 0;
return false;
}
if (dinkeyboard->SetCooperativeLevel((HWND) fake_main_window.winId(), DISCL_NONEXCLUSIVE | DISCL_BACKGROUND) != DI_OK) {
dinkeyboard->Release();
dinkeyboard = 0;
qDebug() << "setup SetCooperativeLevel function failed!" << GetLastError();
return false;
}
if (dinkeyboard->Acquire() != DI_OK)
{
dinkeyboard->Release();
dinkeyboard = 0;
qDebug() << "setup dinkeyboard Acquire failed!" << GetLastError();
return false;
}
return true;
}
KeybindingWorker::KeybindingWorker() : dinkeyboard(nullptr), din(dinput_handle::make_di())
{
if (init())
start();
}
KeybindingWorker& KeybindingWorker::make()
{
static KeybindingWorker k;
return k;
}
void KeybindingWorker::run()
{
unsigned char keystate[256] = {0};
unsigned char old_keystate[256] = {0};
while (!isInterruptionRequested())
{
{
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 (old_keystate[i] != keystate[i])
{
const bool held = !!(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;
k.held = held;
for (auto& r : receivers)
(*r)(k);
break;
}
}
old_keystate[i] = keystate[i];
}
}
}
// keypresses get dropped with high values
Sleep(4);
}
}
KeybindingWorker::fun* KeybindingWorker::_add_receiver(fun& receiver)
{
QMutexLocker l(&mtx);
receivers.push_back(std::make_unique<fun>(receiver));
fun* f = receivers[receivers.size() - 1].get();
//qDebug() << "add receiver" << (long) f;
joy_ctx.refresh();
return f;
}
void KeybindingWorker::remove_receiver(KeybindingWorker::fun* pos)
{
QMutexLocker l(&mtx);
bool ok = false;
using s = int;
for (int i = s(receivers.size()) - 1; i >= 0; i--)
{
using u = unsigned;
if (receivers[u(i)].get() == pos)
{
ok = true;
//qDebug() << "remove receiver" << (long) pos;
receivers.erase(receivers.begin() + i);
break;
}
}
if (!ok)
{
qDebug() << "bad remove receiver" << (long) pos;
}
}
#endif
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