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pcsx2/plugins/LilyPad/RawInput.cpp

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9.8 KiB
C++
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#include "Global.h"
#include "InputManager.h"
#include "WindowsMessaging.h"
#include "VKey.h"
#include "DeviceEnumerator.h"
#include "WndProcEater.h"
#include "WindowsKeyboard.h"
#include "WindowsMouse.h"
typedef BOOL (CALLBACK *_RegisterRawInputDevices)(PCRAWINPUTDEVICE pRawInputDevices, UINT uiNumDevices, UINT cbSize);
typedef UINT (CALLBACK *_GetRawInputDeviceInfo)(HANDLE hDevice, UINT uiCommand, LPVOID pData, PUINT pcbSize);
typedef UINT (CALLBACK *_GetRawInputData)(HRAWINPUT hRawInput, UINT uiCommand, LPVOID pData, PUINT pcbSize, UINT cbSizeHeader);
typedef UINT (CALLBACK *_GetRawInputDeviceList)(PRAWINPUTDEVICELIST pRawInputDeviceList, PUINT puiNumDevices, UINT cbSize);
_RegisterRawInputDevices pRegisterRawInputDevices = 0;
_GetRawInputDeviceInfo pGetRawInputDeviceInfo = 0;
_GetRawInputData pGetRawInputData = 0;
_GetRawInputDeviceList pGetRawInputDeviceList = 0;
ExtraWndProcResult RawInputWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *output);
int GetRawKeyboards(HWND hWnd) {
RAWINPUTDEVICE Rid;
Rid.hwndTarget = hWnd;
Rid.dwFlags = 0;
Rid.usUsagePage = 0x01;
Rid.usUsage = 0x06;
return pRegisterRawInputDevices(&Rid, 1, sizeof(Rid));
}
void ReleaseRawKeyboards() {
RAWINPUTDEVICE Rid;
Rid.hwndTarget = 0;
Rid.dwFlags = RIDEV_REMOVE;
Rid.usUsagePage = 0x01;
Rid.usUsage = 0x06;
pRegisterRawInputDevices(&Rid, 1, sizeof(Rid));
}
int GetRawMice(HWND hWnd) {
RAWINPUTDEVICE Rid;
Rid.hwndTarget = hWnd;
Rid.dwFlags = RIDEV_NOLEGACY | RIDEV_CAPTUREMOUSE;
Rid.usUsagePage = 0x01;
Rid.usUsage = 0x02;
return pRegisterRawInputDevices(&Rid, 1, sizeof(Rid));
}
void ReleaseRawMice() {
RAWINPUTDEVICE Rid;
Rid.hwndTarget = 0;
Rid.dwFlags = RIDEV_REMOVE;
Rid.usUsagePage = 0x01;
Rid.usUsage = 0x02;
pRegisterRawInputDevices(&Rid, 1, sizeof(Rid));
}
// Count of active raw keyboard devices.
// when it gets to 0, release them all.
static int rawKeyboardActivatedCount = 0;
// Same for mice.
static int rawMouseActivatedCount = 0;
class RawInputKeyboard : public WindowsKeyboard {
public:
HANDLE hDevice;
RawInputKeyboard(HANDLE hDevice, wchar_t *name, wchar_t *instanceID=0) : WindowsKeyboard(RAW, name, instanceID) {
this->hDevice = hDevice;
}
int Activate(InitInfo *initInfo) {
Deactivate();
hWndProc = initInfo->hWndProc;
active = 1;
if (!rawKeyboardActivatedCount++) {
if (!rawMouseActivatedCount)
hWndProc->Eat(RawInputWndProc, EATPROC_NO_UPDATE_WHILE_UPDATING_DEVICES);
if (!GetRawKeyboards(hWndProc->hWndEaten)) {
Deactivate();
return 0;
}
}
InitState();
return 1;
}
void Deactivate() {
FreeState();
if (active) {
active = 0;
rawKeyboardActivatedCount --;
if (!rawKeyboardActivatedCount) {
ReleaseRawKeyboards();
if (!rawMouseActivatedCount)
hWndProc->ReleaseExtraProc(RawInputWndProc);
}
}
}
};
class RawInputMouse : public WindowsMouse {
public:
HANDLE hDevice;
RawInputMouse(HANDLE hDevice, wchar_t *name, wchar_t *instanceID=0, wchar_t *productID=0) : WindowsMouse(RAW, 0, name, instanceID, productID) {
this->hDevice = hDevice;
}
int Activate(InitInfo *initInfo) {
Deactivate();
hWndProc = initInfo->hWndProc;
active = 1;
// Have to be careful with order. At worst, one unmatched call to ReleaseRawMice on
// EatWndProc fail. In all other cases, no unmatched initialization/cleanup
// lines.
if (!rawMouseActivatedCount++) {
GetMouseCapture(hWndProc->hWndEaten);
if (!rawKeyboardActivatedCount)
hWndProc->Eat(RawInputWndProc, EATPROC_NO_UPDATE_WHILE_UPDATING_DEVICES);
if (!GetRawMice(hWndProc->hWndEaten)) {
Deactivate();
return 0;
}
}
AllocState();
return 1;
}
void Deactivate() {
FreeState();
if (active) {
active = 0;
rawMouseActivatedCount --;
if (!rawMouseActivatedCount) {
ReleaseRawMice();
ReleaseMouseCapture();
if (!rawKeyboardActivatedCount) {
hWndProc->ReleaseExtraProc(RawInputWndProc);
}
}
}
}
};
ExtraWndProcResult RawInputWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *output) {
if (uMsg == WM_INPUT) {
if (GET_RAWINPUT_CODE_WPARAM (wParam) == RIM_INPUT && pGetRawInputData) {
RAWINPUT in;
unsigned int size = sizeof(RAWINPUT);
if (0 < pGetRawInputData((HRAWINPUT)lParam, RID_INPUT, &in, &size, sizeof(RAWINPUTHEADER))) {
for (int i=0; i<dm->numDevices; i++) {
Device *dev = dm->devices[i];
if (dev->api != RAW || !dev->active) continue;
if (in.header.dwType == RIM_TYPEKEYBOARD && dev->type == KEYBOARD) {
RawInputKeyboard* rik = (RawInputKeyboard*)dev;
if (rik->hDevice != in.header.hDevice) continue;
u32 uMsg = in.data.keyboard.Message;
if (!(in.data.keyboard.VKey>>8))
rik->UpdateKey((u8) in.data.keyboard.VKey, (uMsg == WM_KEYDOWN || uMsg == WM_SYSKEYDOWN));
}
else if (in.header.dwType == RIM_TYPEMOUSE && dev->type == MOUSE) {
RawInputMouse* rim = (RawInputMouse*)dev;
if (rim->hDevice != in.header.hDevice) continue;
if (in.data.mouse.usFlags) {
// Never been set for me, and specs on what most of them
// actually mean is sorely lacking. Also, specs erroneously
// indicate MOUSE_MOVE_RELATIVE is a flag, when it's really
// 0...
continue;
}
unsigned short buttons = in.data.mouse.usButtonFlags & 0x3FF;
int button = 0;
while (buttons) {
if (buttons & 3) {
// 2 is up, 1 is down. Up takes precedence over down.
rim->UpdateButton(button, !(buttons & 2));
}
button++;
buttons >>= 2;
}
if (in.data.mouse.usButtonFlags & RI_MOUSE_WHEEL) {
rim->UpdateAxis(2, ((short)in.data.mouse.usButtonData)/WHEEL_DELTA);
}
if (in.data.mouse.lLastX || in.data.mouse.lLastY) {
rim->UpdateAxis(0, in.data.mouse.lLastX);
rim->UpdateAxis(1, in.data.mouse.lLastY);
}
}
}
}
}
}
else if (uMsg == WM_ACTIVATE) {
for (int i=0; i<dm->numDevices; i++) {
Device *dev = dm->devices[i];
if (dev->api != RAW || dev->physicalControlState == 0) continue;
memset(dev->physicalControlState, 0, sizeof(int) * dev->numPhysicalControls);
}
}
else if (uMsg == WM_SIZE && rawMouseActivatedCount) {
// Doesn't really matter for raw mice, as I disable legacy stuff, but shouldn't hurt.
WindowsMouse::WindowResized(hWnd);
}
return CONTINUE_BLISSFULLY;
}
int InitializeRawInput() {
static int RawInputFailed = 0;
if (RawInputFailed) return 0;
if (!pGetRawInputDeviceList) {
HMODULE user32 = LoadLibrary(L"user32.dll");
if (!user32 ||
!(pRegisterRawInputDevices = (_RegisterRawInputDevices) GetProcAddress(user32, "RegisterRawInputDevices")) ||
!(pGetRawInputDeviceInfo = (_GetRawInputDeviceInfo) GetProcAddress(user32, "GetRawInputDeviceInfoW")) ||
!(pGetRawInputData = (_GetRawInputData) GetProcAddress(user32, "GetRawInputData")) ||
!(pGetRawInputDeviceList = (_GetRawInputDeviceList) GetProcAddress(user32, "GetRawInputDeviceList"))) {
FreeLibrary(user32);
RawInputFailed = 1;
return 0;
}
}
return 1;
}
void EnumRawInputDevices() {
int count = 0;
if (InitializeRawInput() && pGetRawInputDeviceList(0, (unsigned int*)&count, sizeof(RAWINPUTDEVICELIST)) != (UINT)-1 && count > 0) {
wchar_t *instanceID = (wchar_t *) malloc(41000*sizeof(wchar_t));
wchar_t *keyName = instanceID + 11000;
wchar_t *displayName = keyName + 10000;
wchar_t *productID = displayName + 10000;
RAWINPUTDEVICELIST *list = (RAWINPUTDEVICELIST*) malloc(sizeof(RAWINPUTDEVICELIST) * count);
int keyboardCount = 1;
int mouseCount = 1;
count = pGetRawInputDeviceList(list, (unsigned int*)&count, sizeof(RAWINPUTDEVICELIST));
// Not necessary, but reminder that count is -1 on failure.
if (count > 0) {
for (int i=0; i<count; i++) {
if (list[i].dwType != RIM_TYPEKEYBOARD && list[i].dwType != RIM_TYPEMOUSE) continue;
UINT bufferLen = 10000;
int nameLen = pGetRawInputDeviceInfo(list[i].hDevice, RIDI_DEVICENAME, instanceID, &bufferLen);
if (nameLen >= 4) {
// nameLen includes terminating null.
nameLen--;
// Strip out GUID parts of instanceID to make it a generic product id,
// and reformat it to point to registry entry containing device description.
wcscpy(productID, instanceID);
wchar_t *temp = 0;
for (int j=0; j<3; j++) {
wchar_t *s = wcschr(productID, '#');
if (!s) break;
*s = '\\';
if (j==2) {
*s = 0;
}
if (j==1) temp = s;
}
wsprintfW(keyName, L"SYSTEM\\CurrentControlSet\\Enum%s", productID+3);
if (temp) *temp = 0;
int haveDescription = 0;
HKEY hKey;
if (ERROR_SUCCESS == RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyName, 0, KEY_QUERY_VALUE, &hKey)) {
DWORD type;
DWORD len = 10000 * sizeof(wchar_t);
if (ERROR_SUCCESS == RegQueryValueExW(hKey, L"DeviceDesc", 0, &type, (BYTE*)displayName, &len) &&
len && type == REG_SZ) {
wchar_t *temp2 = wcsrchr(displayName, ';');
if (!temp2) temp2 = displayName;
else temp2++;
// Could do without this, but more effort than it's worth.
wcscpy(keyName, temp2);
haveDescription = 1;
}
RegCloseKey(hKey);
}
if (list[i].dwType == RIM_TYPEKEYBOARD) {
if (!haveDescription) wsprintfW(displayName, L"Raw Keyboard %i", keyboardCount++);
else wsprintfW(displayName, L"Raw KB: %s", keyName);
dm->AddDevice(new RawInputKeyboard(list[i].hDevice, displayName, instanceID));
}
else if (list[i].dwType == RIM_TYPEMOUSE) {
if (!haveDescription) wsprintfW(displayName, L"Raw Mouse %i", mouseCount++);
else wsprintfW(displayName, L"Raw MS: %s", keyName);
dm->AddDevice(new RawInputMouse(list[i].hDevice, displayName, instanceID, productID));
}
}
}
}
free(list);
free(instanceID);
dm->AddDevice(new RawInputKeyboard(0, L"Simulated Keyboard"));
dm->AddDevice(new RawInputMouse(0, L"Simulated Mouse"));
}
}
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