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Switcher.h
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Switcher.h
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#pragma once
#include <windows.h>
#include <deque>
#include <string>
#include <functional>
#include <thread>
#include "KeyboardHelper.h"
#include "OptionsHelper.h"
#include "log.h"
#include "SoundHelper.h"
#include "SelectionConverter.h"
#include "LastWordConverter.h"
#include "Layouts.h"
#include <map>
using LayoutChangedCallback = std::function<void(const HKL&)>;
class Switcher
{
public:
Switcher(OptionsHelper& oh, SoundHelper& sh) : _oh(oh), _sh(sh)
{
}
Switcher::~Switcher()
{
}
void BeginNewWord() { _lwc.BeginNewWord(); }
void RecordModeOn() { _bRecordMode = true; _keRecord = KeyboardEvent(); }
void RecordModeOff() { _bRecordMode = false; }
KeyboardEvent GetRecordedEvent() { return _keRecord; }
void HotkeyComboBreaker() { _bHotkeyFlag = false; }
HKL GetCurrentLayout() { return _WndLayout; }
LayoutChangedCallback _layoutChangedCallback = nullptr;
void SetLayoutChangedCallback(const LayoutChangedCallback& cb)
{
_layoutChangedCallback = cb;
}
void Enable()
{
_bEnabled = true;
_WndTrackerLoop = std::thread(&Switcher::WndTrackerProc, this);
}
void Disable()
{
_bEnabled = false;
if (_WndTrackerLoop.joinable()) _WndTrackerLoop.join();
}
void WndTrackerProc()
{
while (_bEnabled)
{
POINT p;
HWND wnd;
std::this_thread::sleep_for(std::chrono::milliseconds(250));
if (_oh.IsTrackActiveWndByMouse())
{
GetCursorPos(&p);
wnd = WindowFromPoint(p);
}
else wnd = GetForegroundWindow();
if (!IsWindow(wnd)) continue;
auto pid = GetWindowThreadProcessId(wnd, nullptr);
auto newLayout = GetKeyboardLayout(pid);
SetWndLayoutValue(newLayout);
}
}
// returns true if event processed and no need to call next hook
bool ProcessKeyPress(const DWORD vkCode, const WPARAM wParam, const LPARAM lParam)
{
if (_bRecordMode)
{
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) _keRecord = _kh.FillKeybardEvent(vkCode);
LOG("rec 0x" << std::hex << _keRecord._vkCode);
return false;
}
if (_bEnabled == false) return false;
KeyboardEvent ke = _kh.FillKeybardEvent(vkCode);
LOG(L"key pressed: " << ke.ToString() << L", wParam 0x" << std::hex << wParam);
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)
{
_bHotkeyFlag = true;
}
if (ke == _oh.KeyConvertLast())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::ConvertLastWord, this, std::placeholders::_1));
}
if (ke == _oh.KeyConvertSelection())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::ConvertSelection, this, std::placeholders::_1));
}
if (ke == _oh.KeySwitchToEn() && _oh.KeySwitchToEn() == _oh.KeySwitchToRu())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::SwitchLangNext, this, std::placeholders::_1));
}
if (ke == _oh.KeySwitchToEn())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::SwitchLangEng, this, std::placeholders::_1));
}
if (ke == _oh.KeySwitchToRu())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::SwitchLangRus, this, std::placeholders::_1));
}
if (ke == _oh.KeySearchInet())
{
return ProcessHotkey(ke, wParam, std::bind(&Switcher::SearchInet, this, std::placeholders::_1));
}
//if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) return false;
if (wParam == WM_KEYUP || wParam == WM_SYSKEYUP) return false;
// scroll lock
if (ke == KeyboardEvent(VK_SCROLL))
{
auto* pKhs = (KBDLLHOOKSTRUCT*)lParam;
// if we process this
if (_oh.IsFlashScrollLock() == false) return false;
if ((pKhs->flags & LLKHF_INJECTED) != LLKHF_INJECTED)
{
// scroll lock pressed from keyboard, not injected, so we return "ok, we processed it, no need to do anything"
return true;
}
// scroll lock injected (hope from uswitcher), pass this action to next hook in chain to switch on key led
return false;
}
// caps lock
if (ke == KeyboardEvent(VK_CAPITAL))
{
auto* pKhs = (KBDLLHOOKSTRUCT*)lParam;
if (ke != _oh.KeySwitchToEn() || ke != _oh.KeySwitchToRu()) return false;
if ((pKhs->flags & LLKHF_INJECTED) != LLKHF_INJECTED)
{
if (ke != _oh.KeySwitchToEn()) return ProcessHotkey(ke, wParam, std::bind(&Switcher::SwitchLangEng, this, std::placeholders::_1));
if (ke != _oh.KeySwitchToRu()) return ProcessHotkey(ke, wParam, std::bind(&Switcher::SwitchLangRus, this, std::placeholders::_1));
}
}
_lwc.AppendBuffer(ke);
return false;
}
private:
bool _bEnabled = false;
KeyboardHelper _kh;
OptionsHelper& _oh;
SoundHelper& _sh;
bool _bRecordMode = false;
KeyboardEvent _keRecord;
SelectionConverter _sc;
bool _bHotkeyFlag = false;
LastWordConverter _lwc;
std::thread _WndTrackerLoop;
HKL _WndLayout = nullptr;
std::vector<std::wstring> _OfficeBlacklist = {
L"OpusApp", L"XLMAIN", L"PPTFrameClass", L"VISIOA", L"HwndWrapper[DefaultDomain" };
void SetWndLayoutValue(const HKL newLayout)
{
const auto backup = _WndLayout;
_WndLayout = newLayout;
if (_layoutChangedCallback != nullptr && backup != newLayout) _layoutChangedCallback(_WndLayout);
}
bool ProcessHotkey(const KeyboardEvent& ke, const WPARAM wParam, const std::function<void(HWND)>& fWorker)
{
// òàê íå ðàáîòàåò, ïîòîìó ÷òî äëÿ õîòêååâ ñ ìîäèôèêàòîðîì è êîäîì ïðèõîäÿò ñîîáùåíèÿ ðàçäåëüíî è ýòîò êîä ðàáîòàåò òîëüêî åñëè îòïóñêàòü êíîïêè â íóæíîì ïîðÿäêå
/*
if (_keHotkey == ke)
{
LOG("hotkey " << ke.ToString() << " detected");
fWorker(GetForegroundWindow());
}
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) _keHotkey = ke;
*/
if (ke.Modified() && ke._vkCode == 0)
{
// ýòî õîòêåé èç îäíèõ ìîäèôèêàòîðîâ
if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN)
{
_bHotkeyFlag = false;
return false;
}
if (_bHotkeyFlag == true)
{
// íå íàø õîòêåé
LOG("not hotkey");
_bHotkeyFlag = false;
return false;
}
}
else
{
if (wParam == WM_KEYUP || wParam == WM_SYSKEYUP)
{
return false;
}
}
auto hwnd = GetForegroundWindow();
if (IsWindow(hwnd)) fWorker(hwnd);
_bHotkeyFlag = false;
if (ke.Modified() && ke._vkCode == 0) return false;
return true;
}
void ConvertLastWord(const HWND hWnd)
{
LOG("converting last word");
HWND wndFocused = GetFocusedHandle(hWnd);
_kh.UnpressKey(_oh.KeyConvertLast());
if (_lwc.ConvertLastWord(wndFocused, std::bind(&Switcher::SwitchLangNext, this, std::placeholders::_1)) == false)
{
if (_oh.IsPlaySound()) _sh.PlayError();
}
else
{
if (_oh.IsPlaySound()) _sh.PlaySwitch();
}
}
void ConvertSelection(const HWND hWnd)
{
LOG("converting selection");
HWND wndFocused = GetFocusedHandle(hWnd);
_kh.UnpressKey(_oh.KeyConvertSelection());
if (_sc.ConvertSelection(wndFocused) == false)
{
if (_oh.IsPlaySound()) _sh.PlayError();
}
else
{
if (_oh.IsPlaySound()) _sh.PlaySwitch();
}
SwitchLangNext(wndFocused);
_lwc.BeginNewWord();
}
HWND GetFocusedHandle(const HWND wndForeground)
{
int idActive = GetWindowThreadProcessId(wndForeground, nullptr);
// âîò òóò https://social.msdn.microsoft.com/Forums/windowsserver/en-US/ee25af6a-e109-4500-bc2e-24fcc4838b0e/getfocus-returns-null-for-ms-word-and-may-be-in-other-office-apps?forum=vcgeneral
// ñîâåòóþò íå èñïîëüçîâàòü AttachThreadInput ïîïóñòó, à ñîâåòóþò GetGUIThreadInfo
GUITHREADINFO gti = { 0 };
gti.cbSize = sizeof(GUITHREADINFO);
if (GetGUIThreadInfo(idActive, >i) == NULL) return wndForeground;
if (IsWindow(gti.hwndFocus) == FALSE)
return wndForeground;
return gti.hwndFocus;
}
void SearchInet(const HWND hwnd)
{
auto Query = _oh.SearchQuery();
if (Query.find(L"http://") == std::wstring::npos)
Query = L"http://" + Query;
auto SelText = _sc.GetSelectionText(GetFocusedHandle(hwnd));
if (SelText.empty())
{
if (_oh.IsPlaySound()) _sh.PlayError();
return;
}
std::wstring Mask = L"%s";
size_t StartPos = Query.find(Mask);
if (StartPos == std::string::npos)
Query += SelText;
else Query.replace(StartPos, Mask.length(), SelText);
LOG("starting inet search: " << Query);
ShellExecute(GetDesktopWindow(), L"open", Query.c_str(), nullptr, nullptr, SW_SHOW);
_lwc.BeginNewWord();
}
std::wstring GetLayoutFriendlyName(const HKL layout)
{
if (layout == LAYOUT_EN) return L"EN";
else if (layout == LAYOUT_RU) return L"RU";
else return L"unknown";
}
void SwitchLang(const HWND hWndFocused, const HKL layout)
{
LOG("switching_v2 to " << GetLayoutFriendlyName(layout) << " from " << GetLayoutFriendlyName(_WndLayout));
if (_WndLayout != layout)
{
KeyboardEvent ke;
ke._vkCode = VK_SPACE;
ke._bLWin = true;
_kh.PressAndReleaseKey(ke);
}
/*
if (_oh.IsOfficeWorkaroundEnabled())
{
auto parentWnd = FindParent(hWndFocused);
wchar_t className[128] = { 0 };
GetClassName(parentWnd, className, 128 - 1);
std::wstring clName(className);
LOG("office workaround: class name " << className);
for (const auto& x : _OfficeBlacklist)
{
if (string_starts_with(clName, x))
{
if (_WndLayout != layout)
{
KeyboardEvent ke;
ke._vkCode = VK_SPACE;
ke._bLWin = true;
_kh.PressAndReleaseKey(ke);
}
return;
}
}
}
LOG("classic switch");
if (layout != nullptr) SetWndLayoutValue(layout);
PostMessage(hWndFocused, WM_INPUTLANGCHANGEREQUEST, 0, reinterpret_cast<LPARAM>(layout));*/
}
// hWndFocused - foreground window
void SwitchLangNext(const HWND hWndFocused)
{
SwitchLang(hWndFocused, nullptr);
Sleep(100);
}
// hWndFocused - foreground window
void SwitchLangRus(const HWND hWndFocused)
{
SwitchLang(hWndFocused, LAYOUT_RU);
}
// hWndFocused - foreground window
void SwitchLangEng(const HWND hWndFocused)
{
SwitchLang(hWndFocused, LAYOUT_EN);
}
static HWND FindParent(HWND h)
{
auto tmp = GetParent(h);
if (tmp == NULL) return h;
while (true)
{
auto parent = GetParent(tmp);
if (parent != NULL) tmp = parent;
else return tmp;
}
}
static bool string_starts_with(std::wstring const & value, std::wstring const & starts)
{
if (starts.size() > value.size()) return false;
return std::equal(starts.begin(), starts.end(), value.begin());
}
};