Add Windows raw input driver

This commit is contained in:
Zoran Vuckovic 2017-05-18 18:48:41 +02:00
parent 59b3344e72
commit 1bc945e3dc
6 changed files with 601 additions and 0 deletions

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@ -756,6 +756,10 @@ ifeq ($(HAVE_PARPORT), 1)
OBJ += input/drivers_joypad/parport_joypad.o
endif
ifneq ($(findstring Win32,$(OS)),)
OBJ += input/drivers/winraw_input.o
endif
# Companion UI
ifneq ($(findstring Win32,$(OS)),)

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@ -0,0 +1,489 @@
/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include "../input_driver.h"
#include "../input_keymaps.h"
#include "../video_driver.h"
#include "../../verbosity.h"
#define WINRAW_LOG(msg)\
RARCH_LOG("[WINRAW]: "msg"\n")
#define WINRAW_ERR(err)\
RARCH_ERR("[WINRAW]: "err"\n")
#define WINRAW_SYS_WRN(fun)\
RARCH_WARN("[WINRAW]: "fun" failed with error %lu.\n", GetLastError())
#define WINRAW_SYS_ERR(fun)\
RARCH_ERR("[WINRAW]: "fun" failed with error %lu.\n", GetLastError())
typedef struct
{
uint8_t keys[256];
} winraw_keyboard_t;
typedef struct
{
LONG x, y, dlt_x, dlt_y;
LONG whl_u, whl_d;
bool btn_l, btn_m, btn_r;
} winraw_mouse_t;
typedef struct
{
winraw_keyboard_t keyboard;
winraw_mouse_t mouse;
const input_device_driver_t *joypad;
HWND window;
bool kbd_mapp_block;
bool mouse_grab;
} winraw_input_t;
static winraw_keyboard_t *g_keyboard;
static winraw_mouse_t *g_mouse;
HWND winraw_create_window(const char *cls_name, WNDPROC wnd_proc)
{
WNDCLASSA wc = {0};
HWND wnd;
BOOL r;
wc.hInstance = GetModuleHandleA(NULL);
if (!wc.hInstance)
{
WINRAW_SYS_ERR("GetModuleHandleA");
return NULL;
}
wc.lpfnWndProc = wnd_proc;
wc.lpszClassName = cls_name;
if (!RegisterClassA(&wc) && GetLastError() != ERROR_CLASS_ALREADY_EXISTS)
{
WINRAW_SYS_ERR("RegisterClassA");
return NULL;
}
wnd = CreateWindowExA(0, cls_name, NULL, 0, 0, 0, 0, 0,
HWND_MESSAGE, NULL, NULL, NULL);
if (!wnd)
{
WINRAW_SYS_ERR("CreateWindowExA");
goto error;
}
return wnd;
error:
UnregisterClassA(cls_name, NULL);
return NULL;
}
void winraw_destroy_window(HWND wnd)
{
WINDOWINFO wi = { sizeof(WINDOWINFO), .atomWindowType = 0 };
void *cls = 0;
BOOL r;
if (!wnd)
return;
r = GetWindowInfo(wnd, &wi);
if (!r)
WINRAW_SYS_WRN("GetWindowInfo");
r = DestroyWindow(wnd);
if (!r)
WINRAW_SYS_WRN("DestroyWindow");
if (wi.atomWindowType)
{
cls += wi.atomWindowType;
r = UnregisterClassA((LPCSTR)cls, NULL);
if (!r)
WINRAW_SYS_WRN("UnregisterClassA");
}
}
static bool winraw_set_keyboard_input(HWND window)
{
RAWINPUTDEVICE rid;
BOOL r;
rid.dwFlags = window ? 0 : RIDEV_REMOVE;
rid.hwndTarget = window;
rid.usUsagePage = 0x01; /* generic desktop */
rid.usUsage = 0x06; /* keyboard */
r = RegisterRawInputDevices(&rid, 1, sizeof(RAWINPUTDEVICE));
if (!r)
{
WINRAW_SYS_ERR("RegisterRawInputDevices");
return false;
}
return true;
}
static bool winraw_set_mouse_input(HWND window, bool grab)
{
RAWINPUTDEVICE rid;
BOOL r;
if (window)
rid.dwFlags = grab ? RIDEV_CAPTUREMOUSE : 0;
else
rid.dwFlags = RIDEV_REMOVE;
rid.hwndTarget = window;
rid.usUsagePage = 0x01; /* generic desktop */
rid.usUsage = 0x02; /* mouse */
r = RegisterRawInputDevices(&rid, 1, sizeof(RAWINPUTDEVICE));
if (!r)
{
WINRAW_SYS_ERR("RegisterRawInputDevices");
return false;
}
return true;
}
static int16_t winraw_keyboard_state(winraw_input_t *wr, unsigned id)
{
unsigned key;
if (id >= RETROK_LAST)
return 0;
key = input_keymaps_translate_rk_to_keysym((enum retro_key)id);
return wr->keyboard.keys[key];
}
static int16_t winraw_mouse_state(winraw_input_t *wr, bool abs, unsigned id)
{
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return abs ? wr->mouse.x : wr->mouse.dlt_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return abs ? wr->mouse.y : wr->mouse.dlt_y;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return wr->mouse.btn_l ? 1 : 0;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return wr->mouse.btn_r ? 1 : 0;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
return wr->mouse.whl_u ? 1 : 0;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
return wr->mouse.whl_d ? 1 : 0;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return wr->mouse.btn_m ? 1 : 0;
}
return 0;
}
static int16_t winraw_joypad_state(winraw_input_t *wr,
rarch_joypad_info_t joypad_info,
const struct retro_keybind *binds,
unsigned port, unsigned id)
{
const struct retro_keybind *bind = &binds[id];
if (!wr->kbd_mapp_block && winraw_keyboard_state(wr, bind->key))
return 1;
return input_joypad_pressed(wr->joypad, joypad_info, port, binds, id);
}
static LRESULT CALLBACK winraw_callback(HWND wnd, UINT msg, WPARAM wpar, LPARAM lpar)
{
static uint8_t data[1024];
RAWINPUT *ri = (RAWINPUT*)data;
UINT size = sizeof(data);
POINT crs_pos;
UINT r;
if (msg != WM_INPUT)
return DefWindowProcA(wnd, msg, wpar, lpar);
if (GET_RAWINPUT_CODE_WPARAM(wpar) != RIM_INPUT) /* app is in the background */
goto end;
r = GetRawInputData((HRAWINPUT)lpar, RID_INPUT, data, &size, sizeof(RAWINPUTHEADER));
if (r == (UINT)-1)
{
WINRAW_SYS_WRN("GetRawInputData");
goto end;
}
if (ri->header.dwType == RIM_TYPEKEYBOARD)
{
if (ri->data.keyboard.Message == WM_KEYDOWN)
g_keyboard->keys[ri->data.keyboard.VKey] = 1;
else if (ri->data.keyboard.Message == WM_KEYUP)
g_keyboard->keys[ri->data.keyboard.VKey] = 0;
}
else if (ri->header.dwType == RIM_TYPEMOUSE)
{
if (ri->data.mouse.usFlags & MOUSE_MOVE_ABSOLUTE)
{
g_mouse->x = ri->data.mouse.lLastX;
g_mouse->y = ri->data.mouse.lLastY;
}
else if (ri->data.mouse.lLastX || ri->data.mouse.lLastY)
{
InterlockedExchangeAdd(&g_mouse->dlt_x, ri->data.mouse.lLastX);
InterlockedExchangeAdd(&g_mouse->dlt_y, ri->data.mouse.lLastY);
if (!GetCursorPos(&crs_pos))
WINRAW_SYS_WRN("GetCursorPos");
else if (!ScreenToClient((HWND)video_driver_window_get(), &crs_pos))
WINRAW_SYS_WRN("ScreenToClient");
else
{
g_mouse->x = crs_pos.x;
g_mouse->y = crs_pos.y;
}
}
if (ri->data.mouse.usButtonFlags & RI_MOUSE_LEFT_BUTTON_DOWN)
g_mouse->btn_l = true;
else if (ri->data.mouse.usButtonFlags & RI_MOUSE_LEFT_BUTTON_UP)
g_mouse->btn_l = false;
if (ri->data.mouse.usButtonFlags & RI_MOUSE_MIDDLE_BUTTON_DOWN)
g_mouse->btn_m = true;
else if (ri->data.mouse.usButtonFlags & RI_MOUSE_MIDDLE_BUTTON_UP)
g_mouse->btn_m = false;
if (ri->data.mouse.usButtonFlags & RI_MOUSE_RIGHT_BUTTON_DOWN)
g_mouse->btn_r = true;
else if (ri->data.mouse.usButtonFlags & RI_MOUSE_RIGHT_BUTTON_UP)
g_mouse->btn_r = false;
if (ri->data.mouse.usButtonFlags & RI_MOUSE_WHEEL)
{
if ((SHORT)ri->data.mouse.usButtonData > 0)
InterlockedExchange(&g_mouse->whl_u, 1);
else if ((SHORT)ri->data.mouse.usButtonData < 0)
InterlockedExchange(&g_mouse->whl_d, 1);
}
}
end:
DefWindowProcA(wnd, msg, wpar, lpar);
return 0;
}
static void *winraw_init(const char *joypad_driver)
{
winraw_input_t *wr;
bool r;
WINRAW_LOG("Initializing input driver ...");
wr = (winraw_input_t *)calloc(1, sizeof(winraw_input_t));
g_keyboard = (winraw_keyboard_t*)calloc(1, sizeof(winraw_keyboard_t));
g_mouse = (winraw_mouse_t*)calloc(1, sizeof(winraw_mouse_t));
if (!wr || !g_keyboard || !g_mouse)
{
WINRAW_ERR("calloc failed.");
goto error;
}
input_keymaps_init_keyboard_lut(rarch_key_map_winraw);
wr->window = winraw_create_window("winraw-input", winraw_callback);
if (!wr->window)
{
WINRAW_ERR("winraw_create_window failed.");
goto error;
}
r = winraw_set_keyboard_input(wr->window);
if (!r)
{
WINRAW_ERR("winraw_set_keyboard_input failed.");
goto error;
}
r = winraw_set_mouse_input(wr->window, false);
if (!r)
{
WINRAW_ERR("winraw_set_mouse_input failed.");
goto error;
}
wr->joypad = input_joypad_init_driver(joypad_driver, wr);
WINRAW_LOG("Input driver initialized.");
return wr;
error:
if (wr && wr->window)
{
winraw_set_mouse_input(NULL, false);
winraw_set_keyboard_input(NULL);
winraw_destroy_window(wr->window);
}
free(g_mouse);
free(g_keyboard);
free(wr);
WINRAW_ERR("Input driver initialization failed.");
return NULL;
}
static void winraw_poll(void *d)
{
winraw_input_t *wr = (winraw_input_t*)d;
memcpy(&wr->keyboard, g_keyboard, sizeof(winraw_keyboard_t));
wr->mouse.x = g_mouse->x;
wr->mouse.y = g_mouse->y;
wr->mouse.dlt_x = InterlockedExchange(&g_mouse->dlt_x, 0);
wr->mouse.dlt_y = InterlockedExchange(&g_mouse->dlt_y, 0);
wr->mouse.whl_u = InterlockedExchange(&g_mouse->whl_u, 0);
wr->mouse.whl_d = InterlockedExchange(&g_mouse->whl_d, 0);
wr->mouse.btn_l = g_mouse->btn_l;
wr->mouse.btn_m = g_mouse->btn_m;
wr->mouse.btn_r = g_mouse->btn_r;
if (wr->joypad)
wr->joypad->poll();
}
static int16_t winraw_input_state(void *d,
rarch_joypad_info_t joypad_info,
const struct retro_keybind **binds,
unsigned port, unsigned device, unsigned index, unsigned id)
{
winraw_input_t *wr = (winraw_input_t*)d;
switch (device)
{
case RETRO_DEVICE_KEYBOARD:
return winraw_keyboard_state(wr, id);
case RETRO_DEVICE_MOUSE:
return winraw_mouse_state(wr, false, id);
case RARCH_DEVICE_MOUSE_SCREEN:
return winraw_mouse_state(wr, true, id);
case RETRO_DEVICE_JOYPAD:
return winraw_joypad_state(wr, joypad_info, binds[port], port, id);
case RETRO_DEVICE_ANALOG:
if (binds[port])
return input_joypad_analog(wr->joypad, joypad_info,
port, index, id, binds[port]);
}
return 0;
}
static bool winraw_meta_key_pressed(void *u1, int u2)
{
return false;
}
static void winraw_free(void *d)
{
winraw_input_t *wr = (winraw_input_t*)d;
WINRAW_LOG("Deinitializing input driver ...");
if (wr->joypad)
wr->joypad->destroy();
winraw_set_mouse_input(NULL, false);
winraw_set_keyboard_input(NULL);
winraw_destroy_window(wr->window);
free(g_mouse);
free(g_keyboard);
free(wr);
WINRAW_LOG("Input driver deinitialized.");
}
static uint64_t winraw_get_capabilities(void *u)
{
return RETRO_DEVICE_KEYBOARD |
RETRO_DEVICE_MOUSE |
RETRO_DEVICE_JOYPAD |
RETRO_DEVICE_ANALOG;
}
static void winraw_grab_mouse(void *d, bool grab)
{
winraw_input_t *wr = (winraw_input_t*)d;
bool r;
if (grab == wr->mouse_grab)
return;
r = winraw_set_mouse_input(wr->window, grab);
if (!r)
{
WINRAW_ERR("Mouse grab failed.");
return;
}
wr->mouse_grab = grab;
}
static bool winraw_set_rumble(void *d, unsigned port,
enum retro_rumble_effect effect, uint16_t strength)
{
winraw_input_t *wr = (winraw_input_t*)d;
return input_joypad_set_rumble(wr->joypad, port, effect, strength);
}
static const input_device_driver_t *winraw_get_joypad_driver(void *d)
{
winraw_input_t *wr = (winraw_input_t*)d;
return wr->joypad;
}
static bool winraw_keyboard_mapping_is_blocked(void *d)
{
winraw_input_t *wr = (winraw_input_t*)d;
return wr->kbd_mapp_block;
}
static void winraw_keyboard_mapping_set_block(void *d, bool block)
{
winraw_input_t *wr = (winraw_input_t*)d;
wr->kbd_mapp_block = block;
}
input_driver_t input_winraw = {
winraw_init,
winraw_poll,
winraw_input_state,
winraw_meta_key_pressed,
winraw_free,
NULL,
NULL,
winraw_get_capabilities,
"raw",
winraw_grab_mouse,
NULL,
winraw_set_rumble,
winraw_get_joypad_driver,
NULL,
winraw_keyboard_mapping_is_blocked,
winraw_keyboard_mapping_set_block,
};

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@ -94,6 +94,9 @@ static const input_driver_t *input_drivers[] = {
#endif
#ifdef DJGPP
&input_dos,
#endif
#ifdef _WIN32
&input_winraw,
#endif
&input_null,
NULL,

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@ -366,6 +366,7 @@ extern input_driver_t input_cocoa;
extern input_driver_t input_qnx;
extern input_driver_t input_rwebinput;
extern input_driver_t input_dos;
extern input_driver_t input_winraw;
extern input_driver_t input_null;
RETRO_END_DECLS

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@ -1515,6 +1515,109 @@ const struct rarch_key_map rarch_key_map_dos[] = {
};
#endif
#ifdef _WIN32
const struct rarch_key_map rarch_key_map_winraw[] = {
{ VK_BACK, RETROK_BACKSPACE },
{ VK_TAB, RETROK_TAB },
{ VK_CLEAR, RETROK_CLEAR },
{ VK_RETURN, RETROK_RETURN },
{ VK_PAUSE, RETROK_PAUSE },
{ VK_ESCAPE, RETROK_ESCAPE },
{ VK_MODECHANGE, RETROK_MODE },
{ VK_SPACE, RETROK_SPACE },
{ VK_PRIOR, RETROK_PAGEUP },
{ VK_NEXT, RETROK_PAGEDOWN },
{ VK_END, RETROK_END },
{ VK_HOME, RETROK_HOME },
{ VK_LEFT, RETROK_LEFT },
{ VK_UP, RETROK_UP },
{ VK_RIGHT, RETROK_RIGHT },
{ VK_DOWN, RETROK_DOWN },
{ VK_PRINT, RETROK_PRINT },
{ VK_INSERT, RETROK_INSERT },
{ VK_DELETE, RETROK_DELETE },
{ VK_HELP, RETROK_HELP },
{ 0x30, RETROK_0 },
{ 0x31, RETROK_1 },
{ 0x32, RETROK_2 },
{ 0x33, RETROK_3 },
{ 0x34, RETROK_4 },
{ 0x35, RETROK_5 },
{ 0x36, RETROK_6 },
{ 0x37, RETROK_7 },
{ 0x38, RETROK_8 },
{ 0x39, RETROK_9 },
{ 0x41, RETROK_a },
{ 0x42, RETROK_b },
{ 0x43, RETROK_c },
{ 0x44, RETROK_d },
{ 0x45, RETROK_e },
{ 0x46, RETROK_f },
{ 0x47, RETROK_g },
{ 0x48, RETROK_h },
{ 0x49, RETROK_i },
{ 0x4A, RETROK_j },
{ 0x4B, RETROK_k },
{ 0x4C, RETROK_l },
{ 0x4D, RETROK_m },
{ 0x4E, RETROK_n },
{ 0x4F, RETROK_o },
{ 0x50, RETROK_p },
{ 0x51, RETROK_q },
{ 0x52, RETROK_r },
{ 0x53, RETROK_s },
{ 0x54, RETROK_t },
{ 0x55, RETROK_u },
{ 0x56, RETROK_v },
{ 0x57, RETROK_w },
{ 0x58, RETROK_x },
{ 0x59, RETROK_y },
{ 0x5A, RETROK_z },
{ VK_LWIN, RETROK_LSUPER },
{ VK_RWIN, RETROK_RSUPER },
{ VK_APPS, RETROK_MENU },
{ VK_NUMPAD0, RETROK_KP0 },
{ VK_NUMPAD1, RETROK_KP1 },
{ VK_NUMPAD2, RETROK_KP2 },
{ VK_NUMPAD3, RETROK_KP3 },
{ VK_NUMPAD4, RETROK_KP4 },
{ VK_NUMPAD5, RETROK_KP5 },
{ VK_NUMPAD6, RETROK_KP6 },
{ VK_NUMPAD7, RETROK_KP7 },
{ VK_NUMPAD8, RETROK_KP8 },
{ VK_NUMPAD9, RETROK_KP9 },
{ VK_MULTIPLY, RETROK_KP_MULTIPLY },
{ VK_ADD, RETROK_KP_PLUS },
{ VK_SUBTRACT, RETROK_KP_MINUS },
{ VK_DECIMAL, RETROK_KP_PERIOD },
{ VK_DIVIDE, RETROK_KP_DIVIDE },
{ VK_F1, RETROK_F1 },
{ VK_F2, RETROK_F2 },
{ VK_F3, RETROK_F3 },
{ VK_F4, RETROK_F4 },
{ VK_F5, RETROK_F5 },
{ VK_F6, RETROK_F6 },
{ VK_F7, RETROK_F7 },
{ VK_F8, RETROK_F8 },
{ VK_F9, RETROK_F9 },
{ VK_F10, RETROK_F10 },
{ VK_F11, RETROK_F11 },
{ VK_F12, RETROK_F12 },
{ VK_F13, RETROK_F13 },
{ VK_F14, RETROK_F14 },
{ VK_F15, RETROK_F15 },
{ VK_NUMLOCK, RETROK_NUMLOCK },
{ VK_SCROLL, RETROK_SCROLLOCK },
{ VK_LSHIFT, RETROK_LSHIFT },
{ VK_RSHIFT, RETROK_RSHIFT },
{ VK_LCONTROL, RETROK_LCTRL },
{ VK_RCONTROL, RETROK_RCTRL },
{ VK_LMENU, RETROK_LALT },
{ VK_RMENU, RETROK_RALT },
{ 0, RETROK_UNKNOWN }
};
#endif
static enum retro_key rarch_keysym_lut[RETROK_LAST];
/**

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@ -59,6 +59,7 @@ extern const struct rarch_key_map rarch_key_map_android[];
extern const struct rarch_key_map rarch_key_map_qnx[];
extern const struct rarch_key_map rarch_key_map_dos[];
extern const struct rarch_key_map rarch_key_map_wiiu[];
extern const struct rarch_key_map rarch_key_map_winraw[];
/**
* input_keymaps_init_keyboard_lut: