/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2020 - 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/>.
*/
#ifdef _MSC_VER
#pragma comment(lib, "dinput8")
#endif
#undef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#include <dbt.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <boolean.h>
#include <windowsx.h>
#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL 0x20e
#endif
#ifndef WM_MOUSEWHEEL
#define WM_MOUSEWHEEL 0x020A
#endif
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include <string/stdstring.h>
#ifndef _XBOX
#include "../../gfx/common/win32_common.h"
#endif
#include "../input_keymaps.h"
#include "../../configuration.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
/* Context has to be global as joypads also ride on this context. */
LPDIRECTINPUT8 g_dinput_ctx;
struct pointer_status
{
struct pointer_status *next;
int pointer_id;
int pointer_x;
int pointer_y;
};
struct dinput_input
{
char *joypad_driver_name;
LPDIRECTINPUTDEVICE8 keyboard;
LPDIRECTINPUTDEVICE8 mouse;
const input_device_driver_t *joypad;
struct pointer_status pointer_head; /* dummy head for easier iteration */
int window_pos_x;
int window_pos_y;
int mouse_rel_x;
int mouse_rel_y;
int mouse_x;
int mouse_y;
uint8_t state[256];
bool shift_l, shift_r, alt_l;
bool doubleclick_on_titlebar;
bool mouse_l, mouse_r, mouse_m, mouse_b4, mouse_b5, mouse_wu, mouse_wd, mouse_hwu, mouse_hwd;
};
void dinput_destroy_context(void)
{
if (!g_dinput_ctx)
return;
IDirectInput8_Release(g_dinput_ctx);
g_dinput_ctx = NULL;
}
bool dinput_init_context(void)
{
if (g_dinput_ctx)
return true;
/* Who said we shouldn't have same call signature in a COM API? <_< */
#ifdef __cplusplus
if (!(SUCCEEDED(DirectInput8Create(
GetModuleHandle(NULL), DIRECTINPUT_VERSION,
IID_IDirectInput8,
(void**)&g_dinput_ctx, NULL))))
#else
if (!(SUCCEEDED(DirectInput8Create(
GetModuleHandle(NULL), DIRECTINPUT_VERSION,
&IID_IDirectInput8,
(void**)&g_dinput_ctx, NULL))))
#endif
return false;
return true;
}
static void *dinput_init(const char *joypad_driver)
{
struct dinput_input *di = NULL;
if (!dinput_init_context())
return NULL;
di = (struct dinput_input*)calloc(1, sizeof(*di));
if (!di)
return NULL;
if (!string_is_empty(joypad_driver))
di->joypad_driver_name = strdup(joypad_driver);
#ifdef __cplusplus
if (FAILED(IDirectInput8_CreateDevice(g_dinput_ctx,
GUID_SysKeyboard,
&di->keyboard, NULL)))
#else
if (FAILED(IDirectInput8_CreateDevice(g_dinput_ctx,
&GUID_SysKeyboard,
&di->keyboard, NULL)))
#endif
{
di->keyboard = NULL;
}
#ifdef __cplusplus
if (FAILED(IDirectInput8_CreateDevice(g_dinput_ctx,
GUID_SysMouse,
&di->mouse, NULL)))
#else
if (FAILED(IDirectInput8_CreateDevice(g_dinput_ctx,
&GUID_SysMouse,
&di->mouse, NULL)))
#endif
{
di->mouse = NULL;
}
if (di->keyboard)
{
IDirectInputDevice8_SetDataFormat(di->keyboard, &c_dfDIKeyboard);
IDirectInputDevice8_SetCooperativeLevel(di->keyboard,
(HWND)video_driver_window_get(), DISCL_NONEXCLUSIVE | DISCL_FOREGROUND | DISCL_NOWINKEY);
IDirectInputDevice8_Acquire(di->keyboard);
}
if (di->mouse)
{
IDirectInputDevice8_SetDataFormat(di->mouse, &c_dfDIMouse2);
IDirectInputDevice8_SetCooperativeLevel(di->mouse, (HWND)video_driver_window_get(),
DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
IDirectInputDevice8_Acquire(di->mouse);
}
input_keymaps_init_keyboard_lut(rarch_key_map_dinput);
#ifndef _XBOX
win32_set_input_userdata(di);
#endif
return di;
}
static void dinput_keyboard_mods(struct dinput_input *di, int mod)
{
switch (mod)
{
case RETROKMOD_SHIFT:
{
unsigned vk_shift_l = GetAsyncKeyState(VK_LSHIFT) >> 1;
unsigned vk_shift_r = GetAsyncKeyState(VK_RSHIFT) >> 1;
if ( (vk_shift_l && !di->shift_l) ||
(!vk_shift_l && di->shift_l))
{
input_keyboard_event(vk_shift_l, RETROK_LSHIFT,
0, RETROKMOD_SHIFT, RETRO_DEVICE_KEYBOARD);
di->shift_l = !di->shift_l;
}
if ( (vk_shift_r && !di->shift_r) ||
(!vk_shift_r && di->shift_r))
{
input_keyboard_event(vk_shift_r, RETROK_RSHIFT,
0, RETROKMOD_SHIFT, RETRO_DEVICE_KEYBOARD);
di->shift_r = !di->shift_r;
}
}
break;
case RETROKMOD_ALT:
{
unsigned vk_alt_l = GetAsyncKeyState(VK_LMENU) >> 1;
if (vk_alt_l && !di->alt_l)
di->alt_l = !di->alt_l;
else if (!vk_alt_l && di->alt_l)
{
input_keyboard_event(vk_alt_l, RETROK_LALT,
0, RETROKMOD_ALT, RETRO_DEVICE_KEYBOARD);
di->alt_l = !di->alt_l;
}
}
break;
}
}
static void dinput_poll(void *data)
{
struct dinput_input *di = (struct dinput_input*)data;
uint8_t *kb_state = NULL;
if (!di)
return;
kb_state = &di->state[0];
for (
; kb_state < di->state + 256
; kb_state++)
*kb_state = 0;
if (di->keyboard)
{
if (FAILED(IDirectInputDevice8_GetDeviceState(
di->keyboard, sizeof(di->state), di->state)))
{
IDirectInputDevice8_Acquire(di->keyboard);
if (FAILED(IDirectInputDevice8_GetDeviceState(
di->keyboard, sizeof(di->state), di->state)))
{
for (
; kb_state < di->state + 256
; kb_state++)
*kb_state = 0;
}
}
else
/* Shifts only when window focused */
dinput_keyboard_mods(di, RETROKMOD_SHIFT);
/* Left alt keyup when unfocused, to prevent alt-tab sticky */
dinput_keyboard_mods(di, RETROKMOD_ALT);
}
if (di->mouse)
{
POINT point;
DIMOUSESTATE2 mouse_state;
BYTE *rgb_buttons_ptr = &mouse_state.rgbButtons[0];
point.x = 0;
point.y = 0;
mouse_state.lX = 0;
mouse_state.lY = 0;
mouse_state.lZ = 0;
for (
; rgb_buttons_ptr < mouse_state.rgbButtons + 8
; rgb_buttons_ptr++)
*rgb_buttons_ptr = 0;
if (FAILED(IDirectInputDevice8_GetDeviceState(
di->mouse, sizeof(mouse_state), &mouse_state)))
{
IDirectInputDevice8_Acquire(di->mouse);
if (FAILED(IDirectInputDevice8_GetDeviceState(
di->mouse, sizeof(mouse_state), &mouse_state)))
{
mouse_state.lX = 0;
mouse_state.lY = 0;
mouse_state.lZ = 0;
for (
; rgb_buttons_ptr < mouse_state.rgbButtons + 8
; rgb_buttons_ptr++)
*rgb_buttons_ptr = 0;
}
}
di->mouse_rel_x = mouse_state.lX;
di->mouse_rel_y = mouse_state.lY;
if (!mouse_state.rgbButtons[0])
di->doubleclick_on_titlebar = false;
if (di->doubleclick_on_titlebar)
di->mouse_l = 0;
else
di->mouse_l = mouse_state.rgbButtons[0];
di->mouse_r = mouse_state.rgbButtons[1];
di->mouse_m = mouse_state.rgbButtons[2];
di->mouse_b4 = mouse_state.rgbButtons[3];
di->mouse_b5 = mouse_state.rgbButtons[4];
/* No simple way to get absolute coordinates
* for RETRO_DEVICE_POINTER. Just use Win32 APIs. */
GetCursorPos(&point);
ScreenToClient((HWND)video_driver_window_get(), &point);
di->mouse_x = point.x;
di->mouse_y = point.y;
}
}
static bool dinput_mouse_button_pressed(
struct dinput_input *di, unsigned port, unsigned key)
{
bool result;
switch (key)
{
case RETRO_DEVICE_ID_MOUSE_LEFT:
return di->mouse_l;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return di->mouse_r;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return di->mouse_m;
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
return di->mouse_b4;
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
return di->mouse_b5;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
result = di->mouse_wu;
di->mouse_wu = false;
return result;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
result = di->mouse_wd;
di->mouse_wd = false;
return result;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
result = di->mouse_hwu;
di->mouse_hwu = false;
return result;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
result = di->mouse_hwd;
di->mouse_hwd = false;
return result;
}
return false;
}
static int16_t dinput_lightgun_aiming_state(
struct dinput_input *di, unsigned idx, unsigned id)
{
struct video_viewport vp;
const int edge_detect = 32700;
bool inside = false;
int16_t res_x = 0;
int16_t res_y = 0;
int16_t res_screen_x = 0;
int16_t res_screen_y = 0;
int x = 0;
int y = 0;
unsigned num = 0;
struct pointer_status
*check_pos = di->pointer_head.next;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
while (check_pos && num < idx)
{
num++;
check_pos = check_pos->next;
}
if (!check_pos && idx > 0) /* idx = 0 has mouse fallback. */
return 0;
x = di->mouse_x;
y = di->mouse_y;
if (check_pos)
{
x = check_pos->pointer_x;
y = check_pos->pointer_y;
}
if (!(video_driver_translate_coord_viewport_wrap(
&vp, x, y,
&res_x, &res_y, &res_screen_x, &res_screen_y)))
return 0;
inside = (res_x >= -edge_detect)
&& (res_y >= -edge_detect)
&& (res_x <= edge_detect)
&& (res_y <= edge_detect);
switch ( id )
{
case RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X:
if (inside)
return res_x;
break;
case RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y:
if (inside)
return res_y;
break;
case RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN:
return !inside;
default:
break;
}
return 0;
}
static int16_t dinput_input_state(
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **binds,
bool keyboard_mapping_blocked,
unsigned port,
unsigned device,
unsigned idx,
unsigned id)
{
settings_t *settings;
struct dinput_input *di = (struct dinput_input*)data;
if (port >= MAX_USERS)
return 0;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
{
settings = config_get_ptr();
if (id == RETRO_DEVICE_ID_JOYPAD_MASK)
{
unsigned i;
int16_t ret = 0;
if (settings->uints.input_mouse_index[port] == 0)
{
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
if (binds[port][i].valid)
{
if (dinput_mouse_button_pressed(
di, port, binds[port][i].mbutton)
)
ret |= (1 << i);
}
}
}
if (!keyboard_mapping_blocked)
{
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
if (binds[port][i].valid)
{
if ((binds[port][i].key < RETROK_LAST) &&
di->state[rarch_keysym_lut
[(enum retro_key)binds[port][i].key]] & 0x80)
ret |= (1 << i);
}
}
}
return ret;
}
if (id < RARCH_BIND_LIST_END)
{
if (binds[port][id].valid)
{
if (binds[port][id].key < RETROK_LAST
&& (di->state[rarch_keysym_lut
[(enum retro_key)binds[port][id].key]] & 0x80)
&& ( (id == RARCH_GAME_FOCUS_TOGGLE)
|| !keyboard_mapping_blocked)
)
return 1;
else if (
settings->uints.input_mouse_index[port] == 0
&& dinput_mouse_button_pressed(
di, port, binds[port][id].mbutton)
)
return 1;
}
}
}
break;
case RETRO_DEVICE_KEYBOARD:
return (id < RETROK_LAST) &&
di->state[rarch_keysym_lut[(enum retro_key)id]] & 0x80;
case RETRO_DEVICE_ANALOG:
if (binds[port])
{
int id_minus_key = 0;
int id_plus_key = 0;
unsigned id_minus = 0;
unsigned id_plus = 0;
int16_t ret = 0;
bool id_plus_valid = false;
bool id_minus_valid = false;
input_conv_analog_id_to_bind_id(idx, id, id_minus, id_plus);
id_minus_valid = binds[port][id_minus].valid;
id_plus_valid = binds[port][id_plus].valid;
id_minus_key = binds[port][id_minus].key;
id_plus_key = binds[port][id_plus].key;
if (id_plus_valid && id_plus_key < RETROK_LAST)
{
unsigned sym = rarch_keysym_lut[(enum retro_key)id_plus_key];
if (di->state[sym] & 0x80)
ret = 0x7fff;
}
if (id_minus_valid && id_minus_key < RETROK_LAST)
{
unsigned sym = rarch_keysym_lut[(enum retro_key)id_minus_key];
if (di->state[sym] & 0x80)
ret += -0x7fff;
}
return ret;
}
break;
case RARCH_DEVICE_MOUSE_SCREEN:
settings = config_get_ptr();
if (settings->uints.input_mouse_index[ port ] != 0)
break;
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return di->mouse_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return di->mouse_y;
default:
break;
}
/* fall-through */
case RETRO_DEVICE_MOUSE:
settings = config_get_ptr();
if (settings->uints.input_mouse_index[port] == 0)
{
int16_t state = 0;
switch (id)
{
case RETRO_DEVICE_ID_MOUSE_X:
return di->mouse_rel_x;
case RETRO_DEVICE_ID_MOUSE_Y:
return di->mouse_rel_y;
case RETRO_DEVICE_ID_MOUSE_LEFT:
return di->mouse_l;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
return di->mouse_r;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
if (di->mouse_wu)
state = 1;
di->mouse_wu = false;
return state;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
if (di->mouse_wd)
state = 1;
di->mouse_wd = false;
return state;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
if (di->mouse_hwu)
state = 1;
di->mouse_hwu = false;
return state;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
if (di->mouse_hwd)
state = 1;
di->mouse_hwd = false;
return state;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
return di->mouse_m;
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
return di->mouse_b4;
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
return di->mouse_b5;
}
}
break;
case RETRO_DEVICE_POINTER:
case RARCH_DEVICE_POINTER_SCREEN:
{
struct video_viewport vp;
bool pointer_down = false;
bool inside = false;
int x = 0;
int y = 0;
int16_t res_x = 0;
int16_t res_y = 0;
int16_t res_screen_x = 0;
int16_t res_screen_y = 0;
unsigned num = 0;
struct pointer_status *
check_pos = di->pointer_head.next;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
while (check_pos && num < idx)
{
num++;
check_pos = check_pos->next;
}
if (!check_pos && idx > 0) /* idx = 0 has mouse fallback. */
return 0;
x = di->mouse_x;
y = di->mouse_y;
pointer_down = di->mouse_l;
if (check_pos)
{
x = check_pos->pointer_x;
y = check_pos->pointer_y;
pointer_down = true;
}
if (!(video_driver_translate_coord_viewport_wrap(&vp, x, y,
&res_x, &res_y, &res_screen_x, &res_screen_y)))
return 0;
if (device == RARCH_DEVICE_POINTER_SCREEN)
{
res_x = res_screen_x;
res_y = res_screen_y;
}
if (!(inside = (res_x >= -0x7fff) && (res_y >= -0x7fff)))
return 0;
switch (id)
{
case RETRO_DEVICE_ID_POINTER_X:
return res_x;
case RETRO_DEVICE_ID_POINTER_Y:
return res_y;
case RETRO_DEVICE_ID_POINTER_PRESSED:
return pointer_down;
default:
break;
}
}
break;
case RETRO_DEVICE_LIGHTGUN:
switch (id)
{
/*aiming*/
case RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X:
case RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y:
case RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN:
return dinput_lightgun_aiming_state(di, idx, id);
/*buttons*/
case RETRO_DEVICE_ID_LIGHTGUN_TRIGGER:
case RETRO_DEVICE_ID_LIGHTGUN_RELOAD:
case RETRO_DEVICE_ID_LIGHTGUN_AUX_A:
case RETRO_DEVICE_ID_LIGHTGUN_AUX_B:
case RETRO_DEVICE_ID_LIGHTGUN_AUX_C:
case RETRO_DEVICE_ID_LIGHTGUN_START:
case RETRO_DEVICE_ID_LIGHTGUN_SELECT:
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_UP:
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_DOWN:
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_LEFT:
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_RIGHT:
case RETRO_DEVICE_ID_LIGHTGUN_PAUSE:
{
unsigned new_id = 0;
settings = config_get_ptr();
switch (id)
{
case RETRO_DEVICE_ID_LIGHTGUN_TRIGGER:
new_id = RARCH_LIGHTGUN_TRIGGER;
break;
case RETRO_DEVICE_ID_LIGHTGUN_RELOAD:
new_id = RARCH_LIGHTGUN_RELOAD;
break;
case RETRO_DEVICE_ID_LIGHTGUN_AUX_A:
new_id = RARCH_LIGHTGUN_AUX_A;
break;
case RETRO_DEVICE_ID_LIGHTGUN_AUX_B:
new_id = RARCH_LIGHTGUN_AUX_B;
break;
case RETRO_DEVICE_ID_LIGHTGUN_AUX_C:
new_id = RARCH_LIGHTGUN_AUX_C;
break;
case RETRO_DEVICE_ID_LIGHTGUN_START:
new_id = RARCH_LIGHTGUN_START;
break;
case RETRO_DEVICE_ID_LIGHTGUN_SELECT:
new_id = RARCH_LIGHTGUN_SELECT;
break;
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_UP:
new_id = RARCH_LIGHTGUN_DPAD_UP;
break;
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_DOWN:
new_id = RARCH_LIGHTGUN_DPAD_DOWN;
break;
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_LEFT:
new_id = RARCH_LIGHTGUN_DPAD_LEFT;
break;
case RETRO_DEVICE_ID_LIGHTGUN_DPAD_RIGHT:
new_id = RARCH_LIGHTGUN_DPAD_RIGHT;
break;
case RETRO_DEVICE_ID_LIGHTGUN_PAUSE:
new_id = RARCH_LIGHTGUN_START;
break;
}
if (binds[port][new_id].valid)
{
if (button_is_pressed(joypad,
joypad_info,
binds[port], port, new_id))
return 1;
else if (
binds[port][new_id].key < RETROK_LAST
&& !keyboard_mapping_blocked
&& di->state[rarch_keysym_lut
[(enum retro_key)binds[port][new_id].key]] & 0x80
)
return 1;
else if (
settings->uints.input_mouse_index[port] == 0
&& dinput_mouse_button_pressed(
di, port, binds[port][new_id].mbutton)
)
return 1;
}
}
break;
/*deprecated*/
case RETRO_DEVICE_ID_LIGHTGUN_X:
return di->mouse_rel_x;
case RETRO_DEVICE_ID_LIGHTGUN_Y:
return di->mouse_rel_y;
}
break;
}
return 0;
}
/* These are defined in later SDKs, thus ifdeffed. */
#ifndef WM_POINTERUPDATE
#define WM_POINTERUPDATE 0x0245
#endif
#ifndef WM_POINTERDOWN
#define WM_POINTERDOWN 0x0246
#endif
#ifndef WM_POINTERUP
#define WM_POINTERUP 0x0247
#endif
#ifndef GET_POINTERID_WPARAM
#define GET_POINTERID_WPARAM(wParam) (LOWORD(wParam))
#endif
/* Stores x/y in client coordinates. */
static void dinput_pointer_store_pos(
struct pointer_status *pointer, WPARAM lParam)
{
POINT point;
point.x = GET_X_LPARAM(lParam);
point.y = GET_Y_LPARAM(lParam);
ScreenToClient((HWND)video_driver_window_get(), &point);
pointer->pointer_x = point.x;
pointer->pointer_y = point.y;
}
static void dinput_add_pointer(struct dinput_input *di,
struct pointer_status *new_pointer)
{
struct pointer_status *insert_pos = NULL;
new_pointer->next = NULL;
insert_pos = &di->pointer_head;
while (insert_pos->next)
insert_pos = insert_pos->next;
insert_pos->next = new_pointer;
}
static void dinput_delete_pointer(struct dinput_input *di, int pointer_id)
{
struct pointer_status *check_pos = &di->pointer_head;
while (check_pos && check_pos->next)
{
if (check_pos->next->pointer_id == pointer_id)
{
struct pointer_status *to_delete = check_pos->next;
check_pos->next = check_pos->next->next;
free(to_delete);
}
check_pos = check_pos->next;
}
}
static struct pointer_status *dinput_find_pointer(
struct dinput_input *di, int pointer_id)
{
struct pointer_status *check_pos = di->pointer_head.next;
while (check_pos)
{
if (check_pos->pointer_id == pointer_id)
break;
check_pos = check_pos->next;
}
return check_pos;
}
static void dinput_clear_pointers(struct dinput_input *di)
{
struct pointer_status *pointer = &di->pointer_head;
while (pointer->next)
{
struct pointer_status *del = pointer->next;
pointer->next = pointer->next->next;
free(del);
}
}
bool dinput_handle_message(void *data,
UINT message, WPARAM wParam, LPARAM lParam)
{
struct dinput_input *di = (struct dinput_input *)data;
/* WM_POINTERDOWN : Arrives for each new touch event
* with a new ID - add to list.
* WM_POINTERUP : Arrives once the pointer is no
* longer down - remove from list.
* WM_POINTERUPDATE : arrives for both pressed and
* hovering pointers - ignore hovering
*/
switch (message)
{
case WM_NCLBUTTONDBLCLK:
di->doubleclick_on_titlebar = true;
break;
case WM_MOUSEMOVE:
di->window_pos_x = GET_X_LPARAM(lParam);
di->window_pos_y = GET_Y_LPARAM(lParam);
break;
case WM_POINTERDOWN:
{
struct pointer_status *new_pointer =
(struct pointer_status *)malloc(sizeof(struct pointer_status));
if (!new_pointer)
return false;
new_pointer->pointer_id = GET_POINTERID_WPARAM(wParam);
dinput_pointer_store_pos(new_pointer, lParam);
dinput_add_pointer(di, new_pointer);
return true;
}
case WM_POINTERUP:
{
int pointer_id = GET_POINTERID_WPARAM(wParam);
dinput_delete_pointer(di, pointer_id);
return true;
}
case WM_POINTERUPDATE:
{
int pointer_id = GET_POINTERID_WPARAM(wParam);
struct pointer_status *pointer = dinput_find_pointer(di, pointer_id);
if (pointer)
dinput_pointer_store_pos(pointer, lParam);
return true;
}
case WM_DEVICECHANGE:
#if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500 /* 2K */
if ( wParam == DBT_DEVICEARRIVAL ||
wParam == DBT_DEVICEREMOVECOMPLETE)
{
PDEV_BROADCAST_HDR pHdr = (PDEV_BROADCAST_HDR)lParam;
if(pHdr->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
{
#if 0
PDEV_BROADCAST_DEVICEINTERFACE pDevInf =
(PDEV_BROADCAST_DEVICEINTERFACE)pHdr;
#endif
/* TODO/FIXME: Don't destroy everything, let's just
* handle new devices gracefully */
joypad_driver_reinit(di, di->joypad_driver_name);
}
}
#endif
break;
case WM_MOUSEWHEEL:
if (((short) HIWORD(wParam))/120 > 0)
di->mouse_wu = true;
if (((short) HIWORD(wParam))/120 < 0)
di->mouse_wd = true;
break;
case WM_MOUSEHWHEEL:
if (((short) HIWORD(wParam))/120 > 0)
di->mouse_hwu = true;
if (((short) HIWORD(wParam))/120 < 0)
di->mouse_hwd = true;
break;
}
return false;
}
static void dinput_free(void *data)
{
struct dinput_input *di = (struct dinput_input*)data;
LPDIRECTINPUT8 hold_ctx = g_dinput_ctx;
if (!di)
return;
/* Prevent a joypad driver to kill our context prematurely. */
g_dinput_ctx = NULL;
#ifndef _XBOX
win32_unset_input_userdata();
#endif
g_dinput_ctx = hold_ctx;
/* Clear any leftover pointers. */
dinput_clear_pointers(di);
if (di->keyboard)
IDirectInputDevice8_Release(di->keyboard);
if (di->mouse)
IDirectInputDevice8_Release(di->mouse);
if (di->joypad_driver_name)
free(di->joypad_driver_name);
di->joypad_driver_name = NULL;
free(di);
dinput_destroy_context();
}
static void dinput_grab_mouse(void *data, bool state)
{
struct dinput_input *di = (struct dinput_input*)data;
if (!di->mouse)
return;
IDirectInputDevice8_Unacquire(di->mouse);
IDirectInputDevice8_SetCooperativeLevel(di->mouse,
(HWND)video_driver_window_get(),
state ?
(DISCL_EXCLUSIVE | DISCL_FOREGROUND) :
(DISCL_NONEXCLUSIVE | DISCL_FOREGROUND));
IDirectInputDevice8_Acquire(di->mouse);
}
static uint64_t dinput_get_capabilities(void *data)
{
uint64_t caps = 0;
caps |= (1 << RETRO_DEVICE_JOYPAD);
caps |= (1 << RETRO_DEVICE_MOUSE);
caps |= (1 << RETRO_DEVICE_KEYBOARD);
caps |= (1 << RETRO_DEVICE_LIGHTGUN);
caps |= (1 << RETRO_DEVICE_POINTER);
caps |= (1 << RETRO_DEVICE_ANALOG);
return caps;
}
input_driver_t input_dinput = {
dinput_init,
dinput_poll,
dinput_input_state,
dinput_free,
NULL,
NULL,
dinput_get_capabilities,
"dinput",
dinput_grab_mouse,
NULL
};