109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "InputCommon/ControllerInterface/Win32/Win32.h"
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#include <Windows.h>
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#include <cfgmgr32.h>
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// must be before hidclass
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#include <initguid.h>
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#include <hidclass.h>
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#include <mutex>
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#include "Common/Flag.h"
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#include "Common/Logging/Log.h"
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#include "InputCommon/ControllerInterface/DInput/DInput.h"
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#include "InputCommon/ControllerInterface/WGInput/WGInput.h"
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#include "InputCommon/ControllerInterface/XInput/XInput.h"
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#pragma comment(lib, "OneCoreUAP.Lib")
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// Dolphin's render window
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static HWND s_hwnd;
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static std::mutex s_populate_mutex;
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// TODO is this really needed?
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static Common::Flag s_first_populate_devices_asked;
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static HCMNOTIFICATION s_notify_handle;
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_Pre_satisfies_(EventDataSize >= sizeof(CM_NOTIFY_EVENT_DATA)) static DWORD CALLBACK
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OnDevicesChanged(_In_ HCMNOTIFICATION hNotify, _In_opt_ PVOID Context,
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_In_ CM_NOTIFY_ACTION Action,
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_In_reads_bytes_(EventDataSize) PCM_NOTIFY_EVENT_DATA EventData,
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_In_ DWORD EventDataSize)
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{
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if (Action == CM_NOTIFY_ACTION_DEVICEINTERFACEARRIVAL ||
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Action == CM_NOTIFY_ACTION_DEVICEINTERFACEREMOVAL)
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{
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// Windows automatically sends this message before we ask for it and before we are "ready" to
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// listen for it.
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if (s_first_populate_devices_asked.IsSet())
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{
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std::lock_guard lk_population(s_populate_mutex);
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// TODO: we could easily use the message passed alongside this event, which tells
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// whether a device was added or removed, to avoid removing old, still connected, devices
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g_controller_interface.PlatformPopulateDevices([] {
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ciface::DInput::PopulateDevices(s_hwnd);
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ciface::XInput::PopulateDevices();
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});
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}
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}
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return ERROR_SUCCESS;
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}
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void ciface::Win32::Init(void* hwnd)
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{
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s_hwnd = static_cast<HWND>(hwnd);
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XInput::Init();
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WGInput::Init();
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CM_NOTIFY_FILTER notify_filter{.cbSize = sizeof(notify_filter),
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.FilterType = CM_NOTIFY_FILTER_TYPE_DEVICEINTERFACE,
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.u{.DeviceInterface{.ClassGuid = GUID_DEVINTERFACE_HID}}};
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const CONFIGRET cfg_rv =
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CM_Register_Notification(¬ify_filter, nullptr, OnDevicesChanged, &s_notify_handle);
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if (cfg_rv != CR_SUCCESS)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "CM_Register_Notification failed: {:x}", cfg_rv);
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}
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}
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void ciface::Win32::PopulateDevices(void* hwnd)
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{
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s_hwnd = static_cast<HWND>(hwnd);
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std::lock_guard lk_population(s_populate_mutex);
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s_first_populate_devices_asked.Set();
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ciface::DInput::PopulateDevices(s_hwnd);
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ciface::XInput::PopulateDevices();
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ciface::WGInput::PopulateDevices();
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}
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void ciface::Win32::ChangeWindow(void* hwnd)
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{
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s_hwnd = static_cast<HWND>(hwnd);
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std::lock_guard lk_population(s_populate_mutex);
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ciface::DInput::ChangeWindow(s_hwnd);
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}
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void ciface::Win32::DeInit()
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{
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s_first_populate_devices_asked.Clear();
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DInput::DeInit();
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s_hwnd = nullptr;
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if (s_notify_handle)
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{
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const CONFIGRET cfg_rv = CM_Unregister_Notification(s_notify_handle);
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if (cfg_rv != CR_SUCCESS)
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{
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ERROR_LOG_FMT(CONTROLLERINTERFACE, "CM_Unregister_Notification failed: {:x}", cfg_rv);
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}
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s_notify_handle = nullptr;
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}
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XInput::DeInit();
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WGInput::DeInit();
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}
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