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FancyZones now does its own event processing (#2347)

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* FancyZones now does its own event processing

* Removed temporary variable
This commit is contained in:
Ivan Stošić 2020-04-30 11:40:13 +02:00 committed by GitHub
parent 648f3abcbd
commit 313b1b39a7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 62 additions and 19 deletions
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79
src/modules/fancyzones/dll/dllmain.cpp
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@ -45,8 +45,7 @@ public:
// nullptr as the last element of the array. Nullptr can also be retured for empty list.
virtual PCWSTR* get_events() override
{
static PCWSTR events[] = { ll_keyboard, win_hook_event, nullptr };
return events;
return nullptr;
}
// Return JSON with the configuration options.
@ -77,6 +76,19 @@ public:
{
Trace::FancyZones::EnableFancyZones(true);
m_app = MakeFancyZones(reinterpret_cast<HINSTANCE>(&__ImageBase), m_settings);
s_llKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, LowLevelKeyboardProc, GetModuleHandle(NULL), NULL);
if (!s_llKeyboardHook)
{
MessageBoxW(NULL, L"Cannot install keyboard listener.", L"PowerToys - FancyZones", MB_OK | MB_ICONERROR);
}
s_winEventHook = SetWinEventHook(EVENT_MIN, EVENT_MAX, nullptr, WinHookProc, 0, 0, WINEVENT_OUTOFCONTEXT | WINEVENT_SKIPOWNPROCESS);
if (!s_winEventHook)
{
MessageBoxW(NULL, L"Cannot install Windows event listener.", L"PowerToys - FancyZones", MB_OK | MB_ICONERROR);
}
if (m_app)
{
m_app->Run();
@ -96,22 +108,9 @@ public:
return (m_app != nullptr);
}
// Handle incoming event, data is event-specific
// PowertoyModuleIface method, unused
virtual intptr_t signal_event(const wchar_t* name, intptr_t data) override
{
if (m_app)
{
if (wcscmp(name, ll_keyboard) == 0)
{
// Return 1 if the keypress is to be suppressed (not forwarded to Windows), otherwise return 0.
return HandleKeyboardHookEvent(reinterpret_cast<LowlevelKeyboardEvent*>(data));
}
else if (wcscmp(name, win_hook_event) == 0)
{
// Return value is ignored
HandleWinHookEvent(reinterpret_cast<WinHookEvent*>(data));
}
}
return 0;
}
@ -130,6 +129,7 @@ public:
app_name = GET_RESOURCE_STRING(IDS_FANCYZONES);
m_settings = MakeFancyZonesSettings(reinterpret_cast<HINSTANCE>(&__ImageBase), FancyZonesModule::get_name());
JSONHelpers::FancyZonesDataInstance().LoadFancyZonesData();
s_instance = this;
}
private:
@ -143,6 +143,22 @@ private:
m_app->Destroy();
m_app = nullptr;
m_settings->ResetCallback();
if (s_llKeyboardHook)
{
if (UnhookWindowsHookEx(s_llKeyboardHook))
{
s_llKeyboardHook = nullptr;
}
}
if (s_winEventHook)
{
if (UnhookWinEvent(s_winEventHook))
{
s_winEventHook = nullptr;
}
}
}
}
@ -155,6 +171,35 @@ private:
winrt::com_ptr<IFancyZones> m_app;
winrt::com_ptr<IFancyZonesSettings> m_settings;
std::wstring app_name;
static inline FancyZonesModule* s_instance;
static inline HHOOK s_llKeyboardHook;
static inline HWINEVENTHOOK s_winEventHook;
static LRESULT CALLBACK LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
LowlevelKeyboardEvent event;
if (nCode == HC_ACTION)
{
event.lParam = reinterpret_cast<KBDLLHOOKSTRUCT*>(lParam);
event.wParam = wParam;
if (s_instance)
{
return s_instance->HandleKeyboardHookEvent(&event);
}
}
return CallNextHookEx(NULL, nCode, wParam, lParam);
}
static void CALLBACK WinHookProc(HWINEVENTHOOK winEventHook, DWORD event, HWND window, LONG object,
LONG child, DWORD eventThread, DWORD eventTime)
{
WinHookEvent data{ event, window, object, child, eventThread, eventTime };
if (s_instance)
{
s_instance->HandleWinHookEvent(&data);
}
}
};
intptr_t FancyZonesModule::HandleKeyboardHookEvent(LowlevelKeyboardEvent* data) noexcept
@ -247,5 +292,3 @@ extern "C" __declspec(dllexport) PowertoyModuleIface* __cdecl powertoy_create()
{
return new FancyZonesModule();
}