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/* Copyright (c) 2014, 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 "shortcuts.h"
#include "global-shortcuts.h"
#include <QMutexLocker>
#if defined(_WIN32)
#include <windows.h>
void KeybindingWorker::set_keys(Key kCenter_, Key kToggle_, Key kZero_)
{
QMutexLocker l(&mtx);
kCenter = kCenter_;
kToggle = kToggle_;
kZero = kZero_;
}
KeybindingWorker::~KeybindingWorker() {
should_quit = true;
wait();
if (dinkeyboard) {
dinkeyboard->Unacquire();
dinkeyboard->Release();
}
if (din)
din->Release();
}
KeybindingWorker::KeybindingWorker(Key keyCenter, Key keyToggle, Key keyZero, WId handle, Shortcuts& sc) :
sc(sc), din(0), dinkeyboard(0), kCenter(keyCenter), kToggle(keyToggle), kZero(keyZero), 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((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;
}
static bool isKeyPressed( const Key *key, const BYTE *keystate ) {
bool shift;
bool ctrl;
bool alt;
if (key->keycode != 0 && keystate[key->keycode] & 0x80)
{
shift = ( (keystate[DIK_LSHIFT] & 0x80) || (keystate[DIK_RSHIFT] & 0x80) );
ctrl = ( (keystate[DIK_LCONTROL] & 0x80) || (keystate[DIK_RCONTROL] & 0x80) );
alt = ( (keystate[DIK_LALT] & 0x80) || (keystate[DIK_RALT] & 0x80) );
if (key->shift && !shift) return false;
if (key->ctrl && !ctrl) return false;
if (key->alt && !alt) return false;
return true;
}
return 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);
if (isKeyPressed(&kCenter, keystate) && kCenter.should_process())
emit sc.center();
if (isKeyPressed(&kToggle, keystate) && kToggle.should_process())
emit sc.toggle();
if (isKeyPressed(&kZero, keystate) && kZero.should_process())
emit sc.zero();
// keypresses get dropped with high values
Sleep(15);
}
}
#endif
void Shortcuts::bind_keyboard_shortcut(K &key, key_opts& k)
{
#if !defined(_WIN32)
if (!key)
key = std::make_shared<QxtGlobalShortcut>();
else {
key->setEnabled(false);
key->setShortcut(QKeySequence::UnknownKey);
}
if (k.keycode)
{
key->setShortcut(QKeySequence(k.keycode));
key->setEnabled();
}
}
#else
key = K();
int idx = 0;
Qt::KeyboardModifiers mods = Qt::NoModifier;
if (k.keycode != Qt::Key_unknown)
win_key::from_qt(QKeySequence(k.keycode), idx, mods);
key.shift = !!(mods & Qt::ShiftModifier);
key.alt = !!(mods & Qt::AltModifier);
key.ctrl = !!(mods & Qt::ControlModifier);
key.keycode = idx;
}
#endif
void Shortcuts::reload() {
#ifndef _WIN32
if (keyCenter)
{
keyCenter->setShortcut(QKeySequence::UnknownKey);
keyCenter->setEnabled(false);
}
if (keyToggle)
{
keyToggle->setShortcut(QKeySequence::UnknownKey);
keyToggle->setEnabled(false);
}
if (keyZero)
{
keyZero->setShortcut(QKeySequence::UnknownKey);
keyZero->setEnabled(false);
}
#endif
bind_keyboard_shortcut(keyCenter, s.center);
bind_keyboard_shortcut(keyToggle, s.toggle);
bind_keyboard_shortcut(keyZero, s.zero);
#ifdef _WIN32
bool is_new = keybindingWorker == nullptr;
if (is_new)
{
keybindingWorker = std::make_shared<KeybindingWorker>(keyCenter, keyToggle, keyZero, handle, *this);
keybindingWorker->start();
}
else
keybindingWorker->set_keys(keyCenter, keyToggle, keyZero);
#endif
}
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