// license:BSD-3-Clause // copyright-holders:Olivier Galibert, R. Belmont, Brad Hughes //============================================================ // // input_sdl.cpp - SDL 2.0 implementation of MAME input routines // // SDLMAME by Olivier Galibert and R. Belmont // // SixAxis info: left analog is axes 0 & 1, right analog is axes 2 & 3, // analog L2 is axis 12 and analog L3 is axis 13 // //============================================================ #include "input_module.h" #include "modules/osdmodule.h" #if defined(SDLMAME_SDL2) // standard sdl header #include #include // ReSharper disable once CppUnusedIncludeDirective #include #include #include #include #include #include // MAME headers #include "emu.h" #include "uiinput.h" #include "strconv.h" // MAMEOS headers #include "input_common.h" #include "../lib/osdobj_common.h" #include "input_sdlcommon.h" #include "../../sdl/osdsdl.h" #include "../../sdl/window.h" // winnt.h defines this #ifdef DELETE #undef DELETE #endif // FIXME: sdl does not properly report the window for certain OS. #define GET_FOCUS_WINDOW(ev) focus_window() //#define GET_FOCUS_WINDOW(ev) window_from_id((ev)->windowID) struct key_lookup_table { int code; const char *name; }; #define KE(x) { SDL_SCANCODE_ ## x, "SDL_SCANCODE_" #x }, #define KE8(A, B, C, D, E, F, G, H) KE(A) KE(B) KE(C) KE(D) KE(E) KE(F) KE(G) KE(H) #define KE7(A, B, C, D, E, F, G) KE(A) KE(B) KE(C) KE(D) KE(E) KE(F) KE(G) #define KE5(A, B, C, D, E) KE(A) KE(B) KE(C) KE(D) KE(E) #define KE3(A, B, C) KE(A) KE(B) KE(C) static key_lookup_table sdl_lookup_table[] = { KE(UNKNOWN) KE(A) KE(B) KE(C) KE(D) KE(E) KE(F) KE(G) KE(H) KE(I) KE(J) KE(K) KE(L) KE(M) KE(N) KE(O) KE(P) KE(Q) KE(R) KE(S) KE(T) KE(U) KE(V) KE(W) KE(X) KE(Y) KE(Z) KE(1) KE(2) KE(3) KE(4) KE(5) KE(6) KE(7) KE(8) KE(9) KE(0) KE(RETURN) KE(ESCAPE) KE(BACKSPACE) KE(TAB) KE(SPACE) KE(MINUS) KE(EQUALS) KE(LEFTBRACKET) KE(RIGHTBRACKET) KE(BACKSLASH) KE(NONUSHASH) KE(SEMICOLON) KE(APOSTROPHE) KE(GRAVE) KE(COMMA) KE(PERIOD) KE(SLASH) KE(CAPSLOCK) KE(F1) KE(F2) KE(F3) KE(F4) KE(F5) KE(F6) KE(F7) KE(F8) KE(F9) KE(F10) KE(F11) KE(F12) KE(PRINTSCREEN) KE(SCROLLLOCK) KE(PAUSE) KE(INSERT) KE(HOME) KE(PAGEUP) KE(DELETE) KE(END) KE(PAGEDOWN) KE(RIGHT) KE(LEFT) KE(DOWN) KE(UP) KE(NUMLOCKCLEAR) KE(KP_DIVIDE) KE(KP_MULTIPLY) KE(KP_MINUS) KE(KP_PLUS) KE(KP_ENTER) KE(KP_1) KE(KP_2) KE(KP_3) KE(KP_4) KE(KP_5) KE(KP_6) KE(KP_7) KE(KP_8) KE(KP_9) KE(KP_0) KE(KP_PERIOD) KE(NONUSBACKSLASH) KE(APPLICATION) KE(POWER) KE(KP_EQUALS) KE(F13) KE(F14) KE(F15) KE(F16) KE(F17) KE(F18) KE(F19) KE(F20) KE(F21) KE(F22) KE(F23) KE(F24) KE(EXECUTE) KE(HELP) KE(MENU) KE(SELECT) KE(STOP) KE(AGAIN) KE(UNDO) KE(CUT) KE(COPY) KE(PASTE) KE(FIND) KE(MUTE) KE(VOLUMEUP) KE(VOLUMEDOWN) KE(KP_COMMA) KE(KP_EQUALSAS400) KE(INTERNATIONAL1) KE(INTERNATIONAL2) KE(INTERNATIONAL3) KE(INTERNATIONAL4) KE(INTERNATIONAL5) KE(INTERNATIONAL6) KE(INTERNATIONAL7) KE(INTERNATIONAL8) KE(INTERNATIONAL9) KE(LANG1) KE(LANG2) KE(LANG3) KE(LANG4) KE(LANG5) KE(LANG6) KE(LANG7) KE(LANG8) KE(LANG9) KE(ALTERASE) KE(SYSREQ) KE(CANCEL) KE(CLEAR) KE(PRIOR) KE(RETURN2) KE(SEPARATOR) KE(OUT) KE(OPER) KE(CLEARAGAIN) KE(CRSEL) KE(EXSEL) KE(KP_00) KE(KP_000) KE(THOUSANDSSEPARATOR) KE(DECIMALSEPARATOR) KE(CURRENCYUNIT) KE(CURRENCYSUBUNIT) KE(KP_LEFTPAREN) KE(KP_RIGHTPAREN) KE(KP_LEFTBRACE) KE(KP_RIGHTBRACE) KE(KP_TAB) KE(KP_BACKSPACE) KE(KP_A) KE(KP_B) KE(KP_C) KE(KP_D) KE(KP_E) KE(KP_F) KE(KP_XOR) KE(KP_POWER) KE(KP_PERCENT) KE(KP_LESS) KE(KP_GREATER) KE(KP_AMPERSAND) KE(KP_DBLAMPERSAND) KE(KP_VERTICALBAR) KE(KP_DBLVERTICALBAR) KE(KP_COLON) KE(KP_HASH) KE(KP_SPACE) KE(KP_AT) KE(KP_EXCLAM) KE(KP_MEMSTORE) KE(KP_MEMRECALL) KE(KP_MEMCLEAR) KE(KP_MEMADD) KE(KP_MEMSUBTRACT) KE(KP_MEMMULTIPLY) KE(KP_MEMDIVIDE) KE(KP_PLUSMINUS) KE(KP_CLEAR) KE(KP_CLEARENTRY) KE(KP_BINARY) KE(KP_OCTAL) KE(KP_DECIMAL) KE(KP_HEXADECIMAL) KE(LCTRL) KE(LSHIFT) KE(LALT) KE(LGUI) KE(RCTRL) KE(RSHIFT) KE(RALT) KE(RGUI) KE(MODE) KE(AUDIONEXT) KE(AUDIOPREV) KE(AUDIOSTOP) KE(AUDIOPLAY) KE(AUDIOMUTE) KE(MEDIASELECT) KE(WWW) KE(MAIL) KE(CALCULATOR) KE(COMPUTER) KE(AC_SEARCH) KE(AC_HOME) KE(AC_BACK) KE(AC_FORWARD) KE(AC_STOP) KE(AC_REFRESH) KE(AC_BOOKMARKS) KE(BRIGHTNESSDOWN) KE(BRIGHTNESSUP) KE(DISPLAYSWITCH) KE(KBDILLUMTOGGLE) KE(KBDILLUMDOWN) KE(KBDILLUMUP) KE(EJECT) KE(SLEEP) KE(APP1) KE(APP2) { -1, "" } }; //============================================================ // lookup_sdl_code //============================================================ static int lookup_sdl_code(const char *scode) { int i = 0; while (sdl_lookup_table[i].code >= 0) { if (!strcmp(scode, sdl_lookup_table[i].name)) return sdl_lookup_table[i].code; i++; } return -1; } //============================================================ // sdl_device //============================================================ class sdl_device : public event_based_device { public: sdl_device(running_machine &machine, const char *name, const char *id, input_device_class devclass, input_module &module) : event_based_device(machine, name, id, devclass, module) { } protected: std::shared_ptr focus_window() { return sdl_event_manager::instance().focus_window(); } }; //============================================================ // sdl_keyboard_device //============================================================ class sdl_keyboard_device : public sdl_device { public: keyboard_state keyboard; sdl_keyboard_device(running_machine &machine, const char *name, const char *id, input_module &module) : sdl_device(machine, name, id, DEVICE_CLASS_KEYBOARD, module), keyboard({{0}}) { } void process_event(SDL_Event &sdlevent) override { switch (sdlevent.type) { case SDL_KEYDOWN: keyboard.state[sdlevent.key.keysym.scancode] = 0x80; if (sdlevent.key.keysym.sym < 0x20) machine().ui_input().push_char_event(osd_common_t::s_window_list.front()->target(), sdlevent.key.keysym.sym); else if (keyboard.state[SDL_SCANCODE_LCTRL] == 0x80 || keyboard.state[SDL_SCANCODE_RCTRL] == 0x80) { // SDL filters out control characters for text input, so they are decoded here if (sdlevent.key.keysym.sym >= 0x40 && sdlevent.key.keysym.sym < 0x7f) machine().ui_input().push_char_event(osd_common_t::s_window_list.front()->target(), sdlevent.key.keysym.sym & 0x1f); else if (keyboard.state[SDL_SCANCODE_LSHIFT] == 0x80 || keyboard.state[SDL_SCANCODE_RSHIFT] == 0x80) { if (sdlevent.key.keysym.sym == SDLK_6) // Ctrl-^ (RS) machine().ui_input().push_char_event(osd_common_t::s_window_list.front()->target(), 0x1e); else if (sdlevent.key.keysym.sym == SDLK_MINUS) // Ctrl-_ (US) machine().ui_input().push_char_event(osd_common_t::s_window_list.front()->target(), 0x1f); } } break; case SDL_KEYUP: keyboard.state[sdlevent.key.keysym.scancode] = 0x00; break; case SDL_TEXTINPUT: if (*sdlevent.text.text) { auto window = GET_FOCUS_WINDOW(&event.text); //printf("Focus window is %p - wl %p\n", window, osd_common_t::s_window_list); if (window != nullptr) { auto ptr = sdlevent.text.text; auto len = std::strlen(sdlevent.text.text); while (len) { char32_t ch; auto chlen = uchar_from_utf8(&ch, ptr, len); if (0 > chlen) { ch = 0x0fffd; chlen = 1; } ptr += chlen; len -= chlen; machine().ui_input().push_char_event(window->target(), ch); } } } break; } } void reset() override { memset(&keyboard.state, 0, sizeof(keyboard.state)); } }; //============================================================ // sdl_mouse_device //============================================================ class sdl_mouse_device : public sdl_device { private: const std::chrono::milliseconds double_click_speed = std::chrono::milliseconds(250); std::chrono::system_clock::time_point last_click; int last_x; int last_y; public: mouse_state mouse; sdl_mouse_device(running_machine &machine, const char *name, const char *id, input_module &module) : sdl_device(machine, name, id, DEVICE_CLASS_MOUSE, module), last_x(0), last_y(0), mouse({0}) { } void reset() override { memset(&mouse, 0, sizeof(mouse)); } void poll() override { mouse.lX = 0; mouse.lY = 0; sdl_device::poll(); } virtual void process_event(SDL_Event &sdlevent) override { switch (sdlevent.type) { case SDL_MOUSEMOTION: mouse.lX += sdlevent.motion.xrel * INPUT_RELATIVE_PER_PIXEL; mouse.lY += sdlevent.motion.yrel * INPUT_RELATIVE_PER_PIXEL; { int cx = -1, cy = -1; auto window = GET_FOCUS_WINDOW(&sdlevent.motion); if (window != nullptr && window->xy_to_render_target(sdlevent.motion.x, sdlevent.motion.y, &cx, &cy)) machine().ui_input().push_mouse_move_event(window->target(), cx, cy); } break; case SDL_MOUSEBUTTONDOWN: mouse.buttons[sdlevent.button.button - 1] = 0x80; //printf("But down %d %d %d %d %s\n", event.button.which, event.button.button, event.button.x, event.button.y, devinfo->name.c_str()); if (sdlevent.button.button == 1) { int cx, cy; auto click = std::chrono::system_clock::now(); auto window = GET_FOCUS_WINDOW(&sdlevent.button); if (window != nullptr && window->xy_to_render_target(sdlevent.button.x, sdlevent.button.y, &cx, &cy)) { machine().ui_input().push_mouse_down_event(window->target(), cx, cy); // avoid overflow with std::chrono::time_point::min() by adding rather than subtracting if (click < last_click + double_click_speed && (cx >= last_x - 4 && cx <= last_x + 4) && (cy >= last_y - 4 && cy <= last_y + 4)) { last_click = std::chrono::time_point::min(); machine().ui_input().push_mouse_double_click_event(window->target(), cx, cy); } else { last_click = click; last_x = cx; last_y = cy; } } } else if (sdlevent.button.button == 3) { int cx, cy; auto window = GET_FOCUS_WINDOW(&sdlevent.button); if (window != nullptr && window->xy_to_render_target(sdlevent.button.x, sdlevent.button.y, &cx, &cy)) { machine().ui_input().push_mouse_rdown_event(window->target(), cx, cy); } } break; case SDL_MOUSEBUTTONUP: mouse.buttons[sdlevent.button.button - 1] = 0; //printf("But up %d %d %d %d\n", event.button.which, event.button.button, event.button.x, event.button.y); if (sdlevent.button.button == 1) { int cx, cy; auto window = GET_FOCUS_WINDOW(&sdlevent.button); if (window != nullptr && window->xy_to_render_target(sdlevent.button.x, sdlevent.button.y, &cx, &cy)) { machine().ui_input().push_mouse_up_event(window->target(), cx, cy); } } else if (sdlevent.button.button == 3) { int cx, cy; auto window = GET_FOCUS_WINDOW(&sdlevent.button); if (window != nullptr && window->xy_to_render_target(sdlevent.button.x, sdlevent.button.y, &cx, &cy)) { machine().ui_input().push_mouse_rup_event(window->target(), cx, cy); } } break; case SDL_MOUSEWHEEL: auto window = GET_FOCUS_WINDOW(&sdlevent.wheel); if (window != nullptr) machine().ui_input().push_mouse_wheel_event(window->target(), 0, 0, sdlevent.wheel.y, 3); break; } } }; //============================================================ // sdl_joystick_device //============================================================ // state information for a joystick struct sdl_joystick_state { int32_t axes[MAX_AXES]; int32_t buttons[MAX_BUTTONS]; int32_t hatsU[MAX_HATS], hatsD[MAX_HATS], hatsL[MAX_HATS], hatsR[MAX_HATS]; int32_t balls[MAX_AXES]; }; struct sdl_api_state { SDL_Joystick *device; SDL_Haptic *hapdevice; SDL_JoystickID joystick_id; }; class sdl_joystick_device : public sdl_device { public: sdl_joystick_state joystick; sdl_api_state sdl_state; sdl_joystick_device(running_machine &machine, const char *name, const char *id, input_module &module) : sdl_device(machine, name, id, DEVICE_CLASS_JOYSTICK, module), joystick({{0}}), sdl_state({ nullptr }) { } ~sdl_joystick_device() { if (sdl_state.device != nullptr) { if (sdl_state.hapdevice != nullptr) { SDL_HapticClose(sdl_state.hapdevice); sdl_state.hapdevice = nullptr; } SDL_JoystickClose(sdl_state.device); sdl_state.device = nullptr; } } void reset() override { memset(&joystick, 0, sizeof(joystick)); } void process_event(SDL_Event &sdlevent) override { switch (sdlevent.type) { case SDL_JOYAXISMOTION: joystick.axes[sdlevent.jaxis.axis] = (sdlevent.jaxis.value * 2); break; case SDL_JOYBALLMOTION: //printf("Ball %d %d\n", sdlevent.jball.xrel, sdlevent.jball.yrel); joystick.balls[sdlevent.jball.ball * 2] = sdlevent.jball.xrel * INPUT_RELATIVE_PER_PIXEL; joystick.balls[sdlevent.jball.ball * 2 + 1] = sdlevent.jball.yrel * INPUT_RELATIVE_PER_PIXEL; break; case SDL_JOYHATMOTION: if (sdlevent.jhat.value & SDL_HAT_UP) { joystick.hatsU[sdlevent.jhat.hat] = 0x80; } else { joystick.hatsU[sdlevent.jhat.hat] = 0; } if (sdlevent.jhat.value & SDL_HAT_DOWN) { joystick.hatsD[sdlevent.jhat.hat] = 0x80; } else { joystick.hatsD[sdlevent.jhat.hat] = 0; } if (sdlevent.jhat.value & SDL_HAT_LEFT) { joystick.hatsL[sdlevent.jhat.hat] = 0x80; } else { joystick.hatsL[sdlevent.jhat.hat] = 0; } if (sdlevent.jhat.value & SDL_HAT_RIGHT) { joystick.hatsR[sdlevent.jhat.hat] = 0x80; } else { joystick.hatsR[sdlevent.jhat.hat] = 0; } break; case SDL_JOYBUTTONDOWN: case SDL_JOYBUTTONUP: if (sdlevent.jbutton.button < MAX_BUTTONS) joystick.buttons[sdlevent.jbutton.button] = (sdlevent.jbutton.state == SDL_PRESSED) ? 0x80 : 0; break; } } }; class sdl_sixaxis_joystick_device : public sdl_joystick_device { public: sdl_sixaxis_joystick_device(running_machine &machine, const char *name, const char *id, input_module &module) : sdl_joystick_device(machine, name, id, module) { } void process_event(SDL_Event &sdlevent) override { switch (sdlevent.type) { case SDL_JOYAXISMOTION: { int axis = sdlevent.jaxis.axis; if (axis <= 3) { joystick.axes[sdlevent.jaxis.axis] = (sdlevent.jaxis.value * 2); } else { int magic = (sdlevent.jaxis.value / 2) + 16384; joystick.axes[sdlevent.jaxis.axis] = magic; } } break; default: // Call the base for other events sdl_joystick_device::process_event(sdlevent); break; } } }; //============================================================ // sdl_input_module //============================================================ class sdl_input_module : public input_module_base, public sdl_event_subscriber { public: sdl_input_module(const char *type) : input_module_base(type, "sdl") { } void input_init(running_machine &machine) override { if (machine.debug_flags & DEBUG_FLAG_OSD_ENABLED) { osd_printf_warning("Debug Build: Disabling input grab for -debug\n"); set_mouse_enabled(false); } } void exit() override { // unsubscribe for events sdl_event_manager::instance().unsubscribe(this); input_module_base::exit(); } void before_poll(running_machine& machine) override { // Tell the event manager to process events and push them to the devices sdl_event_manager::instance().process_events(machine); } bool should_poll_devices(running_machine& machine) override { return sdl_event_manager::instance().has_focus() && input_enabled(); } void handle_event(SDL_Event &sdlevent) override { // By default dispatch event to every device devicelist()->for_each_device([&sdlevent](auto device) { downcast(device)->queue_events(&sdlevent, 1); }); } }; //============================================================ // sdl_keyboard_module //============================================================ class sdl_keyboard_module : public sdl_input_module { keyboard_trans_table * m_key_trans_table; public: sdl_keyboard_module() : sdl_input_module(OSD_KEYBOARDINPUT_PROVIDER), m_key_trans_table(nullptr) { } void input_init(running_machine &machine) override { sdl_input_module::input_init(machine); static int event_types[] = { static_cast(SDL_KEYDOWN), static_cast(SDL_KEYUP), static_cast(SDL_TEXTINPUT) }; sdl_event_manager::instance().subscribe(event_types, ARRAY_LENGTH(event_types), this); sdl_keyboard_device *devinfo; // Read our keymap and store a pointer to our table m_key_trans_table = sdlinput_read_keymap(machine); keyboard_trans_table& local_table = *m_key_trans_table; osd_printf_verbose("Keyboard: Start initialization\n"); // SDL only has 1 keyboard add it now devinfo = devicelist()->create_device(machine, "System keyboard", "System keyboard", *this); // populate it for (int keynum = 0; local_table[keynum].mame_key != ITEM_ID_INVALID; keynum++) { input_item_id itemid = local_table[keynum].mame_key; // generate the default / modified name char defname[20]; snprintf(defname, sizeof(defname) - 1, "%s", local_table[keynum].ui_name); devinfo->device()->add_item(defname, itemid, generic_button_get_state, &devinfo->keyboard.state[local_table[keynum].sdl_scancode]); } osd_printf_verbose("Keyboard: Registered %s\n", devinfo->name()); osd_printf_verbose("Keyboard: End initialization\n"); } private: static keyboard_trans_table* sdlinput_read_keymap(running_machine &machine) { char *keymap_filename; FILE *keymap_file; int line = 1; int sdl2section = 0; keyboard_trans_table &default_table = keyboard_trans_table::instance(); if (!machine.options().bool_value(SDLOPTION_KEYMAP)) return &default_table; keymap_filename = (char *)downcast(machine.options()).keymap_file(); osd_printf_verbose("Keymap: Start reading keymap_file %s\n", keymap_filename); keymap_file = fopen(keymap_filename, "r"); if (keymap_file == nullptr) { osd_printf_warning("Keymap: Unable to open keymap %s, using default\n", keymap_filename); return &default_table; } // Allocate a block of translation entries big enough to hold what's in the default table auto key_trans_entries = std::make_unique(default_table.size()); // copy the elements from the default table for (int i = 0; i < default_table.size(); i++) key_trans_entries[i] = default_table[i]; // Allocate the trans table to be associated with the machine so we don't have to free it keyboard_trans_table *custom_table = auto_alloc(machine, keyboard_trans_table(std::move(key_trans_entries), default_table.size())); while (!feof(keymap_file)) { char buf[256]; char *ret = fgets(buf, 255, keymap_file); if (ret && buf[0] != '\n' && buf[0] != '#') { buf[255] = 0; int len = strlen(buf); if (len && buf[len - 1] == '\n') buf[len - 1] = 0; if (strncmp(buf, "[SDL2]", 6) == 0) { sdl2section = 1; } else if (sdl2section == 1) { char mks[41] = {0}; char sks[41] = {0}; char kns[41] = {0}; int n = sscanf(buf, "%40s %40s %40c\n", mks, sks, kns); if (n != 3) osd_printf_error("Keymap: Error on line %d : Expected 3 parameters, got %d\n", line, n); int index = default_table.lookup_mame_index(mks); int sk = lookup_sdl_code(sks); if (sk >= 0 && index >= 0) { key_trans_entry &entry = (*custom_table)[index]; entry.sdl_scancode = sk; entry.ui_name = auto_alloc_array(machine, char, strlen(kns) + 1); strcpy(entry.ui_name, kns); osd_printf_verbose("Keymap: Mapped <%s> to <%s> with ui-text <%s>\n", sks, mks, kns); } else osd_printf_error("Keymap: Error on line %d - %s key not found: %s\n", line, (sk<0) ? "sdl" : "mame", buf); } } line++; } fclose(keymap_file); osd_printf_verbose("Keymap: Processed %d lines\n", line); return custom_table; } }; //============================================================ // sdl_mouse_module //============================================================ class sdl_mouse_module : public sdl_input_module { public: sdl_mouse_module() : sdl_input_module(OSD_MOUSEINPUT_PROVIDER) { } virtual void input_init(running_machine &machine) override { sdl_input_module::input_init(machine); static int event_types[] = { static_cast(SDL_MOUSEMOTION), static_cast(SDL_MOUSEBUTTONDOWN), static_cast(SDL_MOUSEBUTTONUP), static_cast(SDL_MOUSEWHEEL) }; sdl_event_manager::instance().subscribe(event_types, ARRAY_LENGTH(event_types), this); sdl_mouse_device *devinfo; char defname[20]; int button; osd_printf_verbose("Mouse: Start initialization\n"); // SDL currently only supports one mouse devinfo = devicelist()->create_device(machine, "System mouse", "System mouse", *this); // add the axes devinfo->device()->add_item("X", ITEM_ID_XAXIS, generic_axis_get_state, &devinfo->mouse.lX); devinfo->device()->add_item("Y", ITEM_ID_YAXIS, generic_axis_get_state, &devinfo->mouse.lY); for (button = 0; button < 4; button++) { input_item_id itemid = (input_item_id)(ITEM_ID_BUTTON1 + button); snprintf(defname, sizeof(defname), "B%d", button + 1); devinfo->device()->add_item(defname, itemid, generic_button_get_state, &devinfo->mouse.buttons[button]); } osd_printf_verbose("Mouse: Registered %s\n", devinfo->name()); osd_printf_verbose("Mouse: End initialization\n"); } }; static void devmap_register(device_map_t &devmap, int physical_idx, const std::string &name) { // Attempt to find the entry by name auto entry = std::find_if(std::begin(devmap.map), std::end(devmap.map), [&name](auto &item) { return item.name == name && item.physical < 0; }); // If we didn't find it by name, find the first free slot if (entry == std::end(devmap.map)) { entry = std::find_if(std::begin(devmap.map), std::end(devmap.map), [](auto &item) { return item.name.empty(); }); } if (entry != std::end(devmap.map)) { entry->physical = physical_idx; entry->name = name; int logical_idx = std::distance(std::begin(devmap.map), entry); devmap.logical[physical_idx] = logical_idx; } } //============================================================ // sdl_joystick_module //============================================================ class sdl_joystick_module : public sdl_input_module { private: device_map_t m_joy_map; bool m_initialized_joystick; bool m_initialized_haptic; bool m_sixaxis_mode; public: sdl_joystick_module() : sdl_input_module(OSD_JOYSTICKINPUT_PROVIDER), m_initialized_joystick(false), m_initialized_haptic(false), m_sixaxis_mode(false) { } virtual void exit() override { sdl_input_module::exit(); if (m_initialized_joystick) { SDL_QuitSubSystem(SDL_INIT_JOYSTICK); } if (m_initialized_haptic) { SDL_QuitSubSystem(SDL_INIT_HAPTIC); } } virtual void input_init(running_machine &machine) override { SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0"); m_initialized_joystick = !SDL_InitSubSystem(SDL_INIT_JOYSTICK); if (!m_initialized_joystick) { osd_printf_error("Could not initialize SDL Joystick: %s.\n", SDL_GetError()); return; } m_initialized_haptic = !SDL_InitSubSystem(SDL_INIT_HAPTIC); if (!m_initialized_haptic) { osd_printf_verbose("Could not initialize SDL Haptic subsystem: %s.\n", SDL_GetError()); } sdl_input_module::input_init(machine); char tempname[512]; m_sixaxis_mode = downcast(options())->sixaxis(); devmap_init(machine, &m_joy_map, SDLOPTION_JOYINDEX, 8, "Joystick mapping"); osd_printf_verbose("Joystick: Start initialization\n"); int physical_stick; for (physical_stick = 0; physical_stick < SDL_NumJoysticks(); physical_stick++) { std::string joy_name = remove_spaces(SDL_JoystickNameForIndex(physical_stick)); devmap_register(m_joy_map, physical_stick, joy_name); } for (int stick = 0; stick < MAX_DEVMAP_ENTRIES; stick++) { sdl_joystick_device *devinfo = create_joystick_device(machine, &m_joy_map, stick, DEVICE_CLASS_JOYSTICK); if (devinfo == nullptr) continue; physical_stick = m_joy_map.map[stick].physical; SDL_Joystick *joy = SDL_JoystickOpen(physical_stick); SDL_JoystickGUID guid = SDL_JoystickGetGUID(joy); char guid_str[256]; guid_str[0] = '\0'; SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str)-1); devinfo->sdl_state.device = joy; devinfo->sdl_state.joystick_id = SDL_JoystickInstanceID(joy); devinfo->sdl_state.hapdevice = SDL_HapticOpenFromJoystick(joy); osd_printf_verbose("Joystick: %s [GUID %s]\n", SDL_JoystickNameForIndex(physical_stick), guid_str); osd_printf_verbose("Joystick: ... %d axes, %d buttons %d hats %d balls\n", SDL_JoystickNumAxes(joy), SDL_JoystickNumButtons(joy), SDL_JoystickNumHats(joy), SDL_JoystickNumBalls(joy)); osd_printf_verbose("Joystick: ... Physical id %d mapped to logical id %d\n", physical_stick, stick + 1); if (devinfo->sdl_state.hapdevice != nullptr) { osd_printf_verbose("Joystick: ... Has haptic capability\n"); } else { osd_printf_verbose("Joystick: ... Does not have haptic capability\n"); } // loop over all axes for (int axis = 0; axis < SDL_JoystickNumAxes(joy); axis++) { input_item_id itemid; if (axis < INPUT_MAX_AXIS) itemid = (input_item_id)(ITEM_ID_XAXIS + axis); else if (axis < INPUT_MAX_AXIS + INPUT_MAX_ADD_ABSOLUTE) itemid = (input_item_id)(ITEM_ID_ADD_ABSOLUTE1 - INPUT_MAX_AXIS + axis); else itemid = ITEM_ID_OTHER_AXIS_ABSOLUTE; snprintf(tempname, sizeof(tempname), "A%d %s", axis, devinfo->name()); devinfo->device()->add_item(tempname, itemid, generic_axis_get_state, &devinfo->joystick.axes[axis]); } // loop over all buttons if (SDL_JoystickNumButtons(joy) > MAX_BUTTONS) osd_printf_verbose("Joystick: ... Has %d buttons which exceeds supported %d buttons\n", SDL_JoystickNumButtons(joy), MAX_BUTTONS); for (int button = 0; (button < MAX_BUTTONS) && (button < SDL_JoystickNumButtons(joy)); button++) { input_item_id itemid; devinfo->joystick.buttons[button] = 0; if (button < INPUT_MAX_BUTTONS) itemid = (input_item_id)(ITEM_ID_BUTTON1 + button); else if (button < INPUT_MAX_BUTTONS + INPUT_MAX_ADD_SWITCH) itemid = (input_item_id)(ITEM_ID_ADD_SWITCH1 - INPUT_MAX_BUTTONS + button); else itemid = ITEM_ID_OTHER_SWITCH; snprintf(tempname, sizeof(tempname), "button %d", button); devinfo->device()->add_item(tempname, itemid, generic_button_get_state, &devinfo->joystick.buttons[button]); } // loop over all hats for (int hat = 0; hat < SDL_JoystickNumHats(joy); hat++) { input_item_id itemid; snprintf(tempname, sizeof(tempname), "hat %d Up", hat); itemid = (input_item_id)((hat < INPUT_MAX_HATS) ? ITEM_ID_HAT1UP + 4 * hat : ITEM_ID_OTHER_SWITCH); devinfo->device()->add_item(tempname, itemid, generic_button_get_state, &devinfo->joystick.hatsU[hat]); snprintf(tempname, sizeof(tempname), "hat %d Down", hat); itemid = (input_item_id)((hat < INPUT_MAX_HATS) ? ITEM_ID_HAT1DOWN + 4 * hat : ITEM_ID_OTHER_SWITCH); devinfo->device()->add_item(tempname, itemid, generic_button_get_state, &devinfo->joystick.hatsD[hat]); snprintf(tempname, sizeof(tempname), "hat %d Left", hat); itemid = (input_item_id)((hat < INPUT_MAX_HATS) ? ITEM_ID_HAT1LEFT + 4 * hat : ITEM_ID_OTHER_SWITCH); devinfo->device()->add_item(tempname, itemid, generic_button_get_state, &devinfo->joystick.hatsL[hat]); snprintf(tempname, sizeof(tempname), "hat %d Right", hat); itemid = (input_item_id)((hat < INPUT_MAX_HATS) ? ITEM_ID_HAT1RIGHT + 4 * hat : ITEM_ID_OTHER_SWITCH); devinfo->device()->add_item(tempname, itemid, generic_button_get_state, &devinfo->joystick.hatsR[hat]); } // loop over all (track)balls for (int ball = 0; ball < SDL_JoystickNumBalls(joy); ball++) { int itemid; if (ball * 2 < INPUT_MAX_ADD_RELATIVE) itemid = ITEM_ID_ADD_RELATIVE1 + ball * 2; else itemid = ITEM_ID_OTHER_AXIS_RELATIVE; snprintf(tempname, sizeof(tempname), "R%d %s", ball * 2, devinfo->name()); devinfo->device()->add_item(tempname, (input_item_id)itemid, generic_axis_get_state, &devinfo->joystick.balls[ball * 2]); snprintf(tempname, sizeof(tempname), "R%d %s", ball * 2 + 1, devinfo->name()); devinfo->device()->add_item(tempname, (input_item_id)(itemid + 1), generic_axis_get_state, &devinfo->joystick.balls[ball * 2 + 1]); } } static int event_types[] = { static_cast(SDL_JOYAXISMOTION), static_cast(SDL_JOYBALLMOTION), static_cast(SDL_JOYHATMOTION), static_cast(SDL_JOYBUTTONDOWN), static_cast(SDL_JOYBUTTONUP) }; sdl_event_manager::instance().subscribe(event_types, ARRAY_LENGTH(event_types), this); osd_printf_verbose("Joystick: End initialization\n"); } virtual void handle_event(SDL_Event &sdlevent) override { // Figure out which joystick this event id destined for auto target_device = std::find_if(devicelist()->begin(), devicelist()->end(), [&sdlevent](auto &device) { std::unique_ptr &ptr = device; return downcast(ptr.get())->sdl_state.joystick_id == sdlevent.jdevice.which; }); // If we find a matching joystick, dispatch the event to the joystick if (target_device != devicelist()->end()) { downcast((*target_device).get())->queue_events(&sdlevent, 1); } } private: sdl_joystick_device* create_joystick_device(running_machine &machine, device_map_t *devmap, int index, input_device_class devclass) { char tempname[20]; char guid_str[256]; SDL_JoystickGUID guid = SDL_JoystickGetDeviceGUID(m_joy_map.map[index].physical); SDL_JoystickGetGUIDString(guid, guid_str, sizeof(guid_str)-1); if (devmap->map[index].name.empty()) { // only map place holders if there were mappings specified if (devmap->initialized) { snprintf(tempname, ARRAY_LENGTH(tempname), "NC%d", index); m_sixaxis_mode ? devicelist()->create_device(machine, tempname, guid_str, *this) : devicelist()->create_device(machine, tempname, guid_str, *this); } return nullptr; } return m_sixaxis_mode ? devicelist()->create_device(machine, devmap->map[index].name.c_str(), guid_str, *this) : devicelist()->create_device(machine, devmap->map[index].name.c_str(), guid_str, *this); } }; #else MODULE_NOT_SUPPORTED(sdl_keyboard_module, OSD_KEYBOARDINPUT_PROVIDER, "sdl") MODULE_NOT_SUPPORTED(sdl_mouse_module, OSD_MOUSEINPUT_PROVIDER, "sdl") MODULE_NOT_SUPPORTED(sdl_joystick_module, OSD_JOYSTICKINPUT_PROVIDER, "sdl") #endif MODULE_DEFINITION(KEYBOARDINPUT_SDL, sdl_keyboard_module) MODULE_DEFINITION(MOUSEINPUT_SDL, sdl_mouse_module) MODULE_DEFINITION(JOYSTICKINPUT_SDL, sdl_joystick_module)