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Add hotplug support to DInput and XInput controller backends

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This commit is contained in:
Michael M
2017-11-10 12:30:37 -08:00
committed by Jordan Woyak
parent 92ca6e124e
commit d26c1ce24d
5 changed files with 123 additions and 10 deletions
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119
Source/Core/InputCommon/ControllerInterface/Win32/Win32.cpp
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@ -4,23 +4,132 @@
#include "InputCommon/ControllerInterface/Win32/Win32.h"
#include <windows.h>
#include <thread>
#include "Common/Event.h"
#include "Common/Logging/Log.h"
#include "Common/ScopeGuard.h"
#include "InputCommon/ControllerInterface/DInput/DInput.h"
#include "InputCommon/ControllerInterface/XInput/XInput.h"
void ciface::Win32::Init()
constexpr UINT WM_DOLPHIN_STOP = WM_USER;
static Common::Event s_done_populating;
static std::atomic<HWND> s_hwnd;
static HWND s_message_window;
static std::thread s_thread;
static LRESULT CALLBACK WindowProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
{
// DInput::Init();
if (message == WM_INPUT_DEVICE_CHANGE)
{
ciface::DInput::PopulateDevices(s_hwnd);
ciface::XInput::PopulateDevices();
s_done_populating.Set();
}
return DefWindowProc(hwnd, message, wparam, lparam);
}
void ciface::Win32::Init(void* hwnd)
{
s_hwnd = static_cast<HWND>(hwnd);
XInput::Init();
s_thread = std::thread([] {
if (FAILED(CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED)))
{
ERROR_LOG(SERIALINTERFACE, "CoInitializeEx failed: %i", GetLastError());
return;
}
Common::ScopeGuard uninit([] { CoUninitialize(); });
WNDCLASSEX window_class_info{};
window_class_info.cbSize = sizeof(window_class_info);
window_class_info.lpfnWndProc = WindowProc;
window_class_info.hInstance = GetModuleHandle(nullptr);
window_class_info.lpszClassName = L"Message";
ATOM window_class = RegisterClassEx(&window_class_info);
if (!window_class)
{
NOTICE_LOG(SERIALINTERFACE, "RegisterClassEx failed: %i", GetLastError());
return;
}
Common::ScopeGuard unregister([&window_class] {
if (!UnregisterClass(MAKEINTATOM(window_class), GetModuleHandle(nullptr)))
ERROR_LOG(SERIALINTERFACE, "UnregisterClass failed: %i", GetLastError());
});
s_message_window = CreateWindowEx(0, L"Message", nullptr, 0, 0, 0, 0, 0, HWND_MESSAGE, nullptr,
nullptr, nullptr);
if (!s_message_window)
{
ERROR_LOG(SERIALINTERFACE, "CreateWindowEx failed: %i", GetLastError());
return;
}
Common::ScopeGuard destroy([] {
if (!DestroyWindow(s_message_window))
ERROR_LOG(SERIALINTERFACE, "DestroyWindow failed: %i", GetLastError());
s_message_window = nullptr;
});
std::array<RAWINPUTDEVICE, 2> devices;
// game pad devices
devices[0].usUsagePage = 0x01;
devices[0].usUsage = 0x05;
devices[0].dwFlags = RIDEV_DEVNOTIFY;
devices[0].hwndTarget = s_message_window;
// joystick devices
devices[1].usUsagePage = 0x01;
devices[1].usUsage = 0x04;
devices[1].dwFlags = RIDEV_DEVNOTIFY;
devices[1].hwndTarget = s_message_window;
if (!RegisterRawInputDevices(devices.data(), static_cast<UINT>(devices.size()),
static_cast<UINT>(sizeof(decltype(devices)::value_type))))
{
ERROR_LOG(SERIALINTERFACE, "RegisterRawInputDevices failed: %i", GetLastError());
return;
}
MSG msg;
while (GetMessage(&msg, nullptr, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
if (msg.message == WM_DOLPHIN_STOP)
break;
}
});
}
void ciface::Win32::PopulateDevices(void* hwnd)
{
DInput::PopulateDevices(static_cast<HWND>(hwnd));
XInput::PopulateDevices();
if (s_thread.joinable())
{
s_hwnd = static_cast<HWND>(hwnd);
s_done_populating.Reset();
PostMessage(s_message_window, WM_INPUT_DEVICE_CHANGE, 0, 0);
if (!s_done_populating.WaitFor(std::chrono::seconds(10)))
ERROR_LOG(SERIALINTERFACE, "win32 timed out when trying to populate devices");
}
else
{
ERROR_LOG(SERIALINTERFACE, "win32 asked to populate devices, but device thread isn't running");
}
}
void ciface::Win32::DeInit()
{
// DInput::DeInit();
NOTICE_LOG(SERIALINTERFACE, "win32 DeInit");
if (s_thread.joinable())
{
PostMessage(s_message_window, WM_DOLPHIN_STOP, 0, 0);
s_thread.join();
}
XInput::DeInit();
}