core/libraries: IME implementation (#1436)

* core/libraries: IME implementation

* Update ime_common.h

---------

Co-authored-by: georgemoralis <giorgosmrls@gmail.com>

CMakeLists.txt

@@ -290,8 +290,6 @@ set(SYSTEM_LIBS src/core/libraries/system/commondialog.cpp
                 src/core/libraries/audio3d/audio3d_error.h
                 src/core/libraries/audio3d/audio3d_impl.cpp
                 src/core/libraries/audio3d/audio3d_impl.h
-                src/core/libraries/ime/ime.cpp
-                src/core/libraries/ime/ime.h
                 src/core/libraries/game_live_streaming/gamelivestreaming.cpp
                 src/core/libraries/game_live_streaming/gamelivestreaming.h
                 src/core/libraries/remote_play/remoteplay.cpp
@@ -311,13 +309,17 @@ set(LIBC_SOURCES src/core/libraries/libc_internal/libc_internal.cpp
                  src/core/libraries/libc_internal/libc_internal.h
 )
 
-set(DIALOGS_LIB src/core/libraries/dialogs/error_dialog.cpp
-                src/core/libraries/dialogs/error_dialog.h
-                src/core/libraries/dialogs/ime_dialog_ui.cpp
-                src/core/libraries/dialogs/ime_dialog_ui.h
-                src/core/libraries/dialogs/ime_dialog.cpp
-                src/core/libraries/dialogs/ime_dialog.h
-                src/core/libraries/dialogs/error_codes.h
+set(IME_LIB src/core/libraries/ime/error_dialog.cpp
+            src/core/libraries/ime/error_dialog.h
+            src/core/libraries/ime/ime_common.h
+            src/core/libraries/ime/ime_dialog_ui.cpp
+            src/core/libraries/ime/ime_dialog_ui.h
+            src/core/libraries/ime/ime_dialog.cpp
+            src/core/libraries/ime/ime_dialog.h
+            src/core/libraries/ime/ime_ui.cpp
+            src/core/libraries/ime/ime_ui.h
+            src/core/libraries/ime/ime.cpp
+            src/core/libraries/ime/ime.h
 )
 
 set(PAD_LIB src/core/libraries/pad/pad.cpp
@@ -499,7 +501,7 @@ set(CORE src/core/aerolib/stubs.cpp
          ${RANDOM_LIB}
          ${USBD_LIB}
          ${MISC_LIBS}
-         ${DIALOGS_LIB}
+         ${IME_LIB}
          ${FIBER_LIB}
          ${DEV_TOOLS}
          src/core/debug_state.cpp

src/core/libraries/dialogs/error_codes.h

@@ -1,12 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-constexpr int ORBIS_ERROR_DIALOG_ERROR_NOT_INITIALIZED = 0x80ED0001;     // not initialized
-constexpr int ORBIS_ERROR_DIALOG_ERROR_ALREADY_INITIALIZED = 0x80ED0002; // already initialized
-constexpr int ORBIS_ERROR_DIALOG_ERROR_PARAM_INVALID = 0x80ED0003;       // Parameter is invalid
-constexpr int ORBIS_ERROR_DIALOG_ERROR_UNEXPECTED_FATAL = 0x80ED0004;    // Unexpected fatal error
-constexpr int ORBIS_ERROR_DIALOG_ERROR_INVALID_STATE = 0x80ED0005;       // not in a callable state
-constexpr int ORBIS_ERROR_DIALOG_ERROR_SERVICE_BUSY = 0x80ED0006;        // Process is busy
-constexpr int ORBIS_ERROR_DIALOG_ERROR_INVALID_USER_ID = 0x80ED0007;     // Invalid user ID

src/core/libraries/error_codes.h

@@ -508,3 +508,48 @@ constexpr int ORBIS_FIBER_ERROR_RANGE = 0x80590003;
 constexpr int ORBIS_FIBER_ERROR_INVALID = 0x80590004;
 constexpr int ORBIS_FIBER_ERROR_PERMISSION = 0x80590005;
 constexpr int ORBIS_FIBER_ERROR_STATE = 0x80590006;
+
+// ImeDialog library
+constexpr int ORBIS_ERROR_DIALOG_ERROR_NOT_INITIALIZED = 0x80ED0001;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_ALREADY_INITIALIZED = 0x80ED0002;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_PARAM_INVALID = 0x80ED0003;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_UNEXPECTED_FATAL = 0x80ED0004;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_INVALID_STATE = 0x80ED0005;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_SERVICE_BUSY = 0x80ED0006;
+constexpr int ORBIS_ERROR_DIALOG_ERROR_INVALID_USER_ID = 0x80ED0007;
+
+// Ime library
+constexpr int ORBIS_IME_ERROR_BUSY = 0x80BC0001;
+constexpr int ORBIS_IME_ERROR_NOT_OPENED = 0x80BC0002;
+constexpr int ORBIS_IME_ERROR_NO_MEMORY = 0x80BC0003;
+constexpr int ORBIS_IME_ERROR_CONNECTION_FAILED = 0x80BC0004;
+constexpr int ORBIS_IME_ERROR_TOO_MANY_REQUESTS = 0x80BC0005;
+constexpr int ORBIS_IME_ERROR_INVALID_TEXT = 0x80BC0006;
+constexpr int ORBIS_IME_ERROR_EVENT_OVERFLOW = 0x80BC0007;
+constexpr int ORBIS_IME_ERROR_NOT_ACTIVE = 0x80BC0008;
+constexpr int ORBIS_IME_ERROR_IME_SUSPENDING = 0x80BC0009;
+constexpr int ORBIS_IME_ERROR_DEVICE_IN_USE = 0x80BC000A;
+constexpr int ORBIS_IME_ERROR_INVALID_USER_ID = 0x80BC0010;
+constexpr int ORBIS_IME_ERROR_INVALID_TYPE = 0x80BC0011;
+constexpr int ORBIS_IME_ERROR_INVALID_SUPPORTED_LANGUAGES = 0x80BC0012;
+constexpr int ORBIS_IME_ERROR_INVALID_ENTER_LABEL = 0x80BC0013;
+constexpr int ORBIS_IME_ERROR_INVALID_INPUT_METHOD = 0x80BC0014;
+constexpr int ORBIS_IME_ERROR_INVALID_OPTION = 0x80BC0015;
+constexpr int ORBIS_IME_ERROR_INVALID_MAX_TEXT_LENGTH = 0x80BC0016;
+constexpr int ORBIS_IME_ERROR_INVALID_INPUT_TEXT_BUFFER = 0x80BC0017;
+constexpr int ORBIS_IME_ERROR_INVALID_POSX = 0x80BC0018;
+constexpr int ORBIS_IME_ERROR_INVALID_POSY = 0x80BC0019;
+constexpr int ORBIS_IME_ERROR_INVALID_HORIZONTAL_ALIGNMENT = 0x80BC001A;
+constexpr int ORBIS_IME_ERROR_INVALID_VERTICAL_ALIGNMENT = 0x80BC001B;
+constexpr int ORBIS_IME_ERROR_INVALID_EXTENDED = 0x80BC001C;
+constexpr int ORBIS_IME_ERROR_INVALID_KEYBOARD_TYPE = 0x80BC001D;
+constexpr int ORBIS_IME_ERROR_INVALID_WORK = 0x80BC0020;
+constexpr int ORBIS_IME_ERROR_INVALID_ARG = 0x80BC0021;
+constexpr int ORBIS_IME_ERROR_INVALID_HANDLER = 0x80BC0022;
+constexpr int ORBIS_IME_ERROR_NO_RESOURCE_ID = 0x80BC0023;
+constexpr int ORBIS_IME_ERROR_INVALID_MODE = 0x80BC0024;
+constexpr int ORBIS_IME_ERROR_INVALID_PARAM = 0x80BC0030;
+constexpr int ORBIS_IME_ERROR_INVALID_ADDRESS = 0x80BC0031;
+constexpr int ORBIS_IME_ERROR_INVALID_RESERVED = 0x80BC0032;
+constexpr int ORBIS_IME_ERROR_INVALID_TIMING = 0x80BC0033;
+constexpr int ORBIS_IME_ERROR_INTERNAL = 0x80BC00FF;

src/core/libraries/ime/ime.cpp

@@ -1,14 +1,108 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <queue>
 #include "ime.h"
+#include "ime_ui.h"
 
 #include "common/logging/log.h"
+#include "common/singleton.h"
 #include "core/libraries/error_codes.h"
 #include "core/libraries/libs.h"
+#include "core/linker.h"
 
 namespace Libraries::Ime {
 
+static std::queue<OrbisImeEvent> g_ime_events;
+static ImeState g_ime_state{};
+static ImeUi g_ime_ui;
+
+class ImeHandler {
+public:
+    ImeHandler(const OrbisImeKeyboardParam* param) {
+        Init(param, false);
+    }
+    ImeHandler(const OrbisImeParam* param) {
+        Init(param, true);
+    }
+    ~ImeHandler() = default;
+
+    void Init(const void* param, bool ime_mode) {
+        if (ime_mode) {
+            m_param.ime = *(OrbisImeParam*)param;
+        } else {
+            m_param.key = *(OrbisImeKeyboardParam*)param;
+        }
+        m_ime_mode = ime_mode;
+
+        // Open an event to let the game know the IME has started
+        OrbisImeEvent openEvent{};
+        openEvent.id = (ime_mode ? OrbisImeEventId::OPEN : OrbisImeEventId::KEYBOARD_OPEN);
+
+        if (ime_mode) {
+            sceImeGetPanelSize(&m_param.ime, &openEvent.param.rect.width,
+                               &openEvent.param.rect.height);
+            openEvent.param.rect.x = m_param.ime.posx;
+            openEvent.param.rect.y = m_param.ime.posy;
+        } else {
+            openEvent.param.resourceIdArray.userId = 1;
+            openEvent.param.resourceIdArray.resourceId[0] = 1;
+        }
+
+        Execute(nullptr, &openEvent, true);
+
+        if (ime_mode) {
+            g_ime_state = ImeState(&m_param.ime);
+            g_ime_ui = ImeUi(&g_ime_state, &m_param.ime);
+        }
+    }
+
+    s32 Update(OrbisImeEventHandler handler) {
+        std::unique_lock lock{g_ime_state.queue_mutex};
+
+        while (!g_ime_state.event_queue.empty()) {
+            OrbisImeEvent event = g_ime_state.event_queue.front();
+            g_ime_state.event_queue.pop();
+            Execute(handler, &event, false);
+        }
+
+        return ORBIS_OK;
+    }
+
+    void Execute(OrbisImeEventHandler handler, OrbisImeEvent* event, bool use_param_handler) {
+        const auto* linker = Common::Singleton<Core::Linker>::Instance();
+
+        if (m_ime_mode) {
+            OrbisImeParam param = m_param.ime;
+            if (use_param_handler) {
+                linker->ExecuteGuest(param.handler, param.arg, event);
+            } else {
+                linker->ExecuteGuest(handler, param.arg, event);
+            }
+        } else {
+            OrbisImeKeyboardParam param = m_param.key;
+            if (use_param_handler) {
+                linker->ExecuteGuest(param.handler, param.arg, event);
+            } else {
+                linker->ExecuteGuest(handler, param.arg, event);
+            }
+        }
+    }
+
+    bool IsIme() {
+        return m_ime_mode;
+    }
+
+private:
+    union ImeParam {
+        OrbisImeKeyboardParam key;
+        OrbisImeParam ime;
+    } m_param{};
+    bool m_ime_mode = false;
+};
+
+static std::unique_ptr<ImeHandler> g_ime_handler;
+
 int PS4_SYSV_ABI FinalizeImeModule() {
     LOG_ERROR(Lib_Ime, "(STUBBED) called");
     return ORBIS_OK;
@@ -34,8 +128,19 @@ int PS4_SYSV_ABI sceImeCheckUpdateTextInfo() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeClose() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceImeClose() {
+    LOG_INFO(Lib_Ime, "(STUBBED) called");
+
+    if (!g_ime_handler) {
+        return ORBIS_IME_ERROR_NOT_OPENED;
+    }
+    if (!g_ime_handler->IsIme()) {
+        return ORBIS_IME_ERROR_NOT_OPENED;
+    }
+
+    g_ime_handler.release();
+    g_ime_ui = ImeUi();
+    g_ime_state = ImeState();
     return ORBIS_OK;
 }
 
@@ -104,13 +209,42 @@ int PS4_SYSV_ABI sceImeGetPanelPositionAndForm() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeGetPanelSize() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceImeGetPanelSize(const OrbisImeParam* param, u32* width, u32* height) {
+    LOG_INFO(Lib_Ime, "called");
+
+    if (!width || !height) {
+        return ORBIS_IME_ERROR_INVALID_ADDRESS;
+    }
+
+    switch (param->type) {
+    case OrbisImeType::DEFAULT:
+    case OrbisImeType::BASIC_LATIN:
+    case OrbisImeType::URL:
+    case OrbisImeType::MAIL:
+        // We set our custom sizes, commented sizes are the original ones
+        *width = 500;  // 793
+        *height = 100; // 408
+        break;
+    case OrbisImeType::NUMBER:
+        *width = 370;
+        *height = 402;
+        break;
+    }
+
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeKeyboardClose() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceImeKeyboardClose(s32 userId) {
+    LOG_INFO(Lib_Ime, "(STUBBED) called");
+
+    if (!g_ime_handler) {
+        return ORBIS_IME_ERROR_NOT_OPENED;
+    }
+    if (g_ime_handler->IsIme()) {
+        return ORBIS_IME_ERROR_NOT_OPENED;
+    }
+
+    g_ime_handler.release();
     return ORBIS_OK;
 }
 
@@ -124,9 +258,19 @@ int PS4_SYSV_ABI sceImeKeyboardGetResourceId() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeKeyboardOpen() {
+s32 PS4_SYSV_ABI sceImeKeyboardOpen(s32 userId, const OrbisImeKeyboardParam* param) {
     LOG_ERROR(Lib_Ime, "(STUBBED) called");
-    return ORBIS_OK;
+
+    if (!param) {
+        return ORBIS_IME_ERROR_INVALID_ADDRESS;
+    }
+    if (g_ime_handler) {
+        return ORBIS_IME_ERROR_BUSY;
+    }
+
+    // g_ime_handler = std::make_unique<ImeHandler>(param);
+    // return ORBIS_OK;
+    return ORBIS_IME_ERROR_CONNECTION_FAILED; // Fixup
 }
 
 int PS4_SYSV_ABI sceImeKeyboardOpenInternal() {
@@ -144,8 +288,19 @@ int PS4_SYSV_ABI sceImeKeyboardUpdate() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeOpen() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
+s32 PS4_SYSV_ABI sceImeOpen(const OrbisImeParam* param, const void* extended) {
+    LOG_INFO(Lib_Ime, "called");
+
+    if (!g_ime_handler) {
+        g_ime_handler = std::make_unique<ImeHandler>(param);
+    } else {
+        if (g_ime_handler->IsIme()) {
+            return ORBIS_IME_ERROR_BUSY;
+        }
+
+        g_ime_handler->Init((void*)param, true);
+    }
+
     return ORBIS_OK;
 }
 
@@ -154,9 +309,15 @@ int PS4_SYSV_ABI sceImeOpenInternal() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeParamInit() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
-    return ORBIS_OK;
+void PS4_SYSV_ABI sceImeParamInit(OrbisImeParam* param) {
+    LOG_INFO(Lib_Ime, "called");
+
+    if (!param) {
+        return;
+    }
+
+    memset(param, 0, sizeof(OrbisImeParam));
+    param->userId = -1;
 }
 
 int PS4_SYSV_ABI sceImeSetCandidateIndex() {
@@ -164,7 +325,7 @@ int PS4_SYSV_ABI sceImeSetCandidateIndex() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeSetCaret() {
+int PS4_SYSV_ABI sceImeSetCaret(const OrbisImeCaret* caret) {
     LOG_ERROR(Lib_Ime, "(STUBBED) called");
     return ORBIS_OK;
 }
@@ -179,9 +340,14 @@ int PS4_SYSV_ABI sceImeSetTextGeometry() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceImeUpdate() {
-    LOG_ERROR(Lib_Ime, "(STUBBED) called");
-    return ORBIS_OK;
+s32 PS4_SYSV_ABI sceImeUpdate(OrbisImeEventHandler handler) {
+    LOG_TRACE(Lib_Ime, "called");
+
+    if (!g_ime_handler) {
+        return ORBIS_IME_ERROR_NOT_OPENED;
+    }
+
+    return g_ime_handler->Update(handler);
 }
 
 int PS4_SYSV_ABI sceImeVshClearPreedit() {

src/core/libraries/ime/ime.h

@@ -5,12 +5,62 @@
 
 #include "common/types.h"
 
+#include "ime_common.h"
+
 namespace Core::Loader {
 class SymbolsResolver;
 }
 
 namespace Libraries::Ime {
 
+constexpr u32 ORBIS_IME_MAX_TEXT_LENGTH = 2048;
+
+enum class OrbisImeKeyboardOption : u32 {
+    DEFAULT = 0,
+    REPEAT = 1,
+    REPEAT_EACH_KEY = 2,
+    ADD_OSK = 4,
+    EFFECTIVE_WITH_TIME = 8,
+    DISABLE_RESUME = 16,
+    DISABLE_CAPSLOCK_WITHOUT_SHIFT = 32,
+};
+DECLARE_ENUM_FLAG_OPERATORS(OrbisImeKeyboardOption)
+
+struct OrbisImeKeyboardParam {
+    OrbisImeKeyboardOption option;
+    s8 reserved1[4];
+    void* arg;
+    OrbisImeEventHandler handler;
+    s8 reserved2[8];
+};
+
+struct OrbisImeParam {
+    s32 userId;
+    OrbisImeType type;
+    u64 supportedLanguages;
+    OrbisImeEnterLabel enterLabel;
+    OrbisImeInputMethod inputMethod;
+    OrbisImeTextFilter filter;
+    u32 option;
+    u32 maxTextLength;
+    char16_t* inputTextBuffer;
+    float posx;
+    float posy;
+    OrbisImeHorizontalAlignment horizontalAlignment;
+    OrbisImeVerticalAlignment verticalAlignment;
+    void* work;
+    void* arg;
+    OrbisImeEventHandler handler;
+    s8 reserved[8];
+};
+
+struct OrbisImeCaret {
+    f32 x;
+    f32 y;
+    u32 height;
+    u32 index;
+};
+
 int PS4_SYSV_ABI FinalizeImeModule();
 int PS4_SYSV_ABI InitializeImeModule();
 int PS4_SYSV_ABI sceImeCheckFilterText();
@@ -30,22 +80,22 @@ int PS4_SYSV_ABI sceImeDisableController();
 int PS4_SYSV_ABI sceImeFilterText();
 int PS4_SYSV_ABI sceImeForTestFunction();
 int PS4_SYSV_ABI sceImeGetPanelPositionAndForm();
-int PS4_SYSV_ABI sceImeGetPanelSize();
-int PS4_SYSV_ABI sceImeKeyboardClose();
+s32 PS4_SYSV_ABI sceImeGetPanelSize(const OrbisImeParam* param, u32* width, u32* height);
+s32 PS4_SYSV_ABI sceImeKeyboardClose(s32 userId);
 int PS4_SYSV_ABI sceImeKeyboardGetInfo();
 int PS4_SYSV_ABI sceImeKeyboardGetResourceId();
-int PS4_SYSV_ABI sceImeKeyboardOpen();
+s32 PS4_SYSV_ABI sceImeKeyboardOpen(s32 userId, const OrbisImeKeyboardParam* param);
 int PS4_SYSV_ABI sceImeKeyboardOpenInternal();
 int PS4_SYSV_ABI sceImeKeyboardSetMode();
 int PS4_SYSV_ABI sceImeKeyboardUpdate();
-int PS4_SYSV_ABI sceImeOpen();
+s32 PS4_SYSV_ABI sceImeOpen(const OrbisImeParam* param, const void* extended);
 int PS4_SYSV_ABI sceImeOpenInternal();
-int PS4_SYSV_ABI sceImeParamInit();
+void PS4_SYSV_ABI sceImeParamInit(OrbisImeParam* param);
 int PS4_SYSV_ABI sceImeSetCandidateIndex();
-int PS4_SYSV_ABI sceImeSetCaret();
+s32 PS4_SYSV_ABI sceImeSetCaret(const OrbisImeCaret* caret);
 int PS4_SYSV_ABI sceImeSetText();
 int PS4_SYSV_ABI sceImeSetTextGeometry();
-int PS4_SYSV_ABI sceImeUpdate();
+s32 PS4_SYSV_ABI sceImeUpdate(OrbisImeEventHandler handler);
 int PS4_SYSV_ABI sceImeVshClearPreedit();
 int PS4_SYSV_ABI sceImeVshClose();
 int PS4_SYSV_ABI sceImeVshConfirmPreedit();

src/core/libraries/ime/ime_common.h

@@ -0,0 +1,184 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+#include <sys/types.h>
+#include "common/enum.h"
+#include "common/types.h"
+#include "core/libraries/rtc/rtc.h"
+
+enum class OrbisImeType : u32 {
+    DEFAULT = 0,
+    BASIC_LATIN = 1,
+    URL = 2,
+    MAIL = 3,
+    NUMBER = 4,
+};
+
+enum class OrbisImeHorizontalAlignment : u32 {
+    LEFT = 0,
+    CENTER = 1,
+    RIGHT = 2,
+};
+
+enum class OrbisImeVerticalAlignment : u32 {
+    TOP = 0,
+    CENTER = 1,
+    BOTTOM = 2,
+};
+
+enum class OrbisImeEnterLabel : u32 {
+    DEFAULT = 0,
+    SEND = 1,
+    SEARCH = 2,
+    GO = 3,
+};
+
+enum class OrbisImeInputMethod : u32 {
+    DEFAULT = 0,
+};
+
+enum class OrbisImeEventId : u32 {
+    OPEN = 0,
+    UPDATE_TEXT = 1,
+    UPDATE_CARET = 2,
+    PRESS_CLOSE = 4,
+    PRESS_ENTER = 5,
+    ABORT = 6,
+    CANDIDATE_LIST_START = 7,
+    CANDIDATE_LIST_END = 8,
+    CANDIDATE_WORD = 9,
+    CANDIDATE_INDEX = 10,
+    CANDIDATE_DONE = 11,
+    CANDIDATE_CANCEL = 12,
+    CHANGE_DEVICE = 14,
+    CHANGE_INPUT_METHOD_STATE = 18,
+
+    KEYBOARD_OPEN = 256,
+    KEYBOARD_KEYCODE_DOWN = 257,
+    KEYBOARD_KEYCODE_UP = 258,
+    KEYBOARD_KEYCODE_REPEAT = 259,
+    KEYBOARD_CONNECTION = 260,
+    KEYBOARD_DISCONNECTION = 261,
+    KEYBOARD_ABORT = 262,
+};
+
+enum class OrbisImeKeyboardType : u32 {
+    NONE = 0,
+    DANISH = 1,
+    GERMAN = 2,
+    GERMAN_SW = 3,
+    ENGLISH_US = 4,
+    ENGLISH_GB = 5,
+    SPANISH = 6,
+    SPANISH_LA = 7,
+    FINNISH = 8,
+    FRENCH = 9,
+    FRENCH_BR = 10,
+    FRENCH_CA = 11,
+    FRENCH_SW = 12,
+    ITALIAN = 13,
+    DUTCH = 14,
+    NORWEGIAN = 15,
+    POLISH = 16,
+    PORTUGUESE_BR = 17,
+    PORTUGUESE_PT = 18,
+    RUSSIAN = 19,
+    SWEDISH = 20,
+    TURKISH = 21,
+    JAPANESE_ROMAN = 22,
+    JAPANESE_KANA = 23,
+    KOREAN = 24,
+    SM_CHINESE = 25,
+    TR_CHINESE_ZY = 26,
+    TR_CHINESE_PY_HK = 27,
+    TR_CHINESE_PY_TW = 28,
+    TR_CHINESE_CG = 29,
+    ARABIC_AR = 30,
+    THAI = 31,
+    CZECH = 32,
+    GREEK = 33,
+    INDONESIAN = 34,
+    VIETNAMESE = 35,
+    ROMANIAN = 36,
+    HUNGARIAN = 37,
+};
+
+enum class OrbisImeDeviceType : u32 {
+    NONE = 0,
+    CONTROLLER = 1,
+    EXT_KEYBOARD = 2,
+    REMOTE_OSK = 3,
+};
+
+struct OrbisImeRect {
+    f32 x;
+    f32 y;
+    u32 width;
+    u32 height;
+};
+
+struct OrbisImeTextAreaProperty {
+    u32 mode; // OrbisImeTextAreaMode
+    u32 index;
+    s32 length;
+};
+
+struct OrbisImeEditText {
+    char16_t* str;
+    u32 caretIndex;
+    u32 areaNum;
+    OrbisImeTextAreaProperty textArea[4];
+};
+
+struct OrbisImeKeycode {
+    u16 keycode;
+    char16_t character;
+    u32 status;
+    OrbisImeKeyboardType type;
+    s32 userId;
+    u32 resourceId;
+    Libraries::Rtc::OrbisRtcTick timestamp;
+};
+
+struct OrbisImeKeyboardResourceIdArray {
+    s32 userId;
+    u32 resourceId[6];
+};
+
+enum class OrbisImeCaretMovementDirection : u32 {
+    STILL = 0,
+    LEFT = 1,
+    RIGHT = 2,
+    UP = 3,
+    DOWN = 4,
+    HOME = 5,
+    END = 6,
+    PAGE_UP = 7,
+    PAGE_DOWN = 8,
+    TOP = 9,
+    BOTTOM = 10,
+};
+
+union OrbisImeEventParam {
+    OrbisImeRect rect;
+    OrbisImeEditText text;
+    OrbisImeCaretMovementDirection caretMove;
+    OrbisImeKeycode keycode;
+    OrbisImeKeyboardResourceIdArray resourceIdArray;
+    char16_t* candidateWord;
+    s32 candidateIndex;
+    OrbisImeDeviceType deviceType;
+    u32 inputMethodState;
+    s8 reserved[64];
+};
+
+struct OrbisImeEvent {
+    OrbisImeEventId id;
+    OrbisImeEventParam param;
+};
+
+typedef PS4_SYSV_ABI int (*OrbisImeTextFilter)(char16_t* outText, u32* outTextLength,
+                                               const char16_t* srcText, u32 srcTextLength);
+
+typedef PS4_SYSV_ABI void (*OrbisImeEventHandler)(void* arg, const OrbisImeEvent* e);

src/core/libraries/ime/ime_dialog.h

@@ -5,6 +5,7 @@
 
 #include "common/enum.h"
 #include "common/types.h"
+#include "ime_common.h"
 
 namespace Core::Loader {
 class SymbolsResolver;
@@ -68,21 +69,6 @@ enum class OrbisImeDialogEndStatus : u32 {
     ABORTED = 2,
 };
 
-enum class OrbisImeType : u32 {
-    DEFAULT = 0,
-    BASIC_LATIN = 1,
-    URL = 2,
-    MAIL = 3,
-    NUMBER = 4,
-};
-
-enum class OrbisImeEnterLabel : u32 {
-    DEFAULT = 0,
-    SEND = 1,
-    SEARCH = 2,
-    GO = 3,
-};
-
 enum class OrbisImeDialogOption : u32 {
     DEFAULT = 0,
     MULTILINE = 1,
@@ -91,25 +77,8 @@ enum class OrbisImeDialogOption : u32 {
     // TODO: Document missing options
     LARGE_RESOLUTION = 1024,
 };
-
 DECLARE_ENUM_FLAG_OPERATORS(OrbisImeDialogOption)
 
-enum class OrbisImeInputMethod : u32 {
-    DEFAULT = 0,
-};
-
-enum class OrbisImeHorizontalAlignment : u32 {
-    LEFT = 0,
-    CENTER = 1,
-    RIGHT = 2,
-};
-
-enum class OrbisImeVerticalAlignment : u32 {
-    TOP = 0,
-    CENTER = 1,
-    BOTTOM = 2,
-};
-
 enum class OrbisImePanelPriority : u32 {
     DEFAULT = 0,
     ALPHABET = 1,
@@ -117,47 +86,6 @@ enum class OrbisImePanelPriority : u32 {
     ACCENT = 3,
 };
 
-enum class OrbisImeKeyboardType : u32 {
-    NONE = 0,
-    DANISH = 1,
-    GERMAN = 2,
-    GERMAN_SW = 3,
-    ENGLISH_US = 4,
-    ENGLISH_GB = 5,
-    SPANISH = 6,
-    SPANISH_LA = 7,
-    FINNISH = 8,
-    FRENCH = 9,
-    FRENCH_BR = 10,
-    FRENCH_CA = 11,
-    FRENCH_SW = 12,
-    ITALIAN = 13,
-    DUTCH = 14,
-    NORWEGIAN = 15,
-    POLISH = 16,
-    PORTUGUESE_BR = 17,
-    PORTUGUESE_PT = 18,
-    RUSSIAN = 19,
-    SWEDISH = 20,
-    TURKISH = 21,
-    JAPANESE_ROMAN = 22,
-    JAPANESE_KANA = 23,
-    KOREAN = 24,
-    SM_CHINESE = 25,
-    TR_CHINESE_ZY = 26,
-    TR_CHINESE_PY_HK = 27,
-    TR_CHINESE_PY_TW = 28,
-    TR_CHINESE_CG = 29,
-    ARABIC_AR = 30,
-    THAI = 31,
-    CZECH = 32,
-    GREEK = 33,
-    INDONESIAN = 34,
-    VIETNAMESE = 35,
-    ROMANIAN = 36,
-    HUNGARIAN = 37,
-};
-
 struct OrbisImeColor {
     u8 r;
     u8 g;
@@ -180,9 +108,6 @@ struct OrbisImeKeycode {
     u64 timestamp;
 };
 
-typedef PS4_SYSV_ABI int (*OrbisImeTextFilter)(char16_t* outText, u32* outTextLength,
-                                               const char16_t* srcText, u32 srcTextLength);
-
 typedef PS4_SYSV_ABI int (*OrbisImeExtKeyboardFilter)(const OrbisImeKeycode* srcKeycode,
                                                       u16* outKeycode, u32* outStatus,
                                                       void* reserved);

src/core/libraries/ime/ime_dialog_ui.cpp

@@ -9,8 +9,8 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "common/singleton.h"
-#include "core/libraries/dialogs/ime_dialog.h"
-#include "core/libraries/dialogs/ime_dialog_ui.h"
+#include "core/libraries/ime/ime_dialog.h"
+#include "core/libraries/ime/ime_dialog_ui.h"
 #include "core/linker.h"
 #include "imgui/imgui_std.h"
 
@@ -22,8 +22,9 @@ namespace Libraries::ImeDialog {
 
 ImeDialogState::ImeDialogState(const OrbisImeDialogParam* param,
                                const OrbisImeParamExtended* extended) {
-    if (!param)
+    if (!param) {
         return;
+    }
 
     userId = param->userId;
     is_multiLine = True(param->option & OrbisImeDialogOption::MULTILINE);
@@ -344,7 +345,6 @@ void ImeDialogUi::DrawMultiLineInputText() {
 
 int ImeDialogUi::InputTextCallback(ImGuiInputTextCallbackData* data) {
     ImeDialogUi* ui = static_cast<ImeDialogUi*>(data->UserData);
-
     ASSERT(ui);
 
     // Should we filter punctuation?

src/core/libraries/ime/ime_dialog_ui.h

@@ -8,7 +8,7 @@
 #include <imgui.h>
 #include "common/cstring.h"
 #include "common/types.h"
-#include "core/libraries/dialogs/ime_dialog.h"
+#include "core/libraries/ime/ime_dialog.h"
 #include "imgui/imgui_layer.h"
 
 namespace Libraries::ImeDialog {

src/core/libraries/ime/ime_ui.cpp

@@ -0,0 +1,252 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "ime_ui.h"
+#include "imgui/imgui_std.h"
+
+namespace Libraries::Ime {
+
+using namespace ImGui;
+
+static constexpr ImVec2 BUTTON_SIZE{100.0f, 30.0f};
+
+ImeState::ImeState(const OrbisImeParam* param) {
+    if (!param) {
+        return;
+    }
+
+    work_buffer = param->work;
+    text_buffer = param->inputTextBuffer;
+
+    std::size_t text_len = std::char_traits<char16_t>::length(text_buffer);
+    if (!ConvertOrbisToUTF8(text_buffer, text_len, current_text.begin(),
+                            ORBIS_IME_MAX_TEXT_LENGTH * 4)) {
+        LOG_ERROR(Lib_ImeDialog, "Failed to convert text to utf8 encoding");
+    }
+}
+
+ImeState::ImeState(ImeState&& other) noexcept
+    : input_changed(other.input_changed), work_buffer(other.work_buffer),
+      text_buffer(other.text_buffer), current_text(std::move(other.current_text)),
+      event_queue(std::move(other.event_queue)) {
+    other.text_buffer = nullptr;
+}
+
+ImeState& ImeState::operator=(ImeState&& other) noexcept {
+    if (this != &other) {
+        input_changed = other.input_changed;
+        work_buffer = other.work_buffer;
+        text_buffer = other.text_buffer;
+        current_text = std::move(other.current_text);
+        event_queue = std::move(other.event_queue);
+
+        other.text_buffer = nullptr;
+    }
+    return *this;
+}
+
+void ImeState::SendEvent(OrbisImeEvent* event) {
+    std::unique_lock lock{queue_mutex};
+    event_queue.push(*event);
+}
+
+void ImeState::SendEnterEvent() {
+    OrbisImeEvent enterEvent{};
+    enterEvent.id = OrbisImeEventId::PRESS_ENTER;
+    SendEvent(&enterEvent);
+}
+
+void ImeState::SendCloseEvent() {
+    OrbisImeEvent closeEvent{};
+    closeEvent.id = OrbisImeEventId::PRESS_CLOSE;
+    closeEvent.param.text.str = reinterpret_cast<char16_t*>(work_buffer);
+    SendEvent(&closeEvent);
+}
+
+bool ImeState::ConvertOrbisToUTF8(const char16_t* orbis_text, std::size_t orbis_text_len,
+                                  char* utf8_text, std::size_t utf8_text_len) {
+    std::fill(utf8_text, utf8_text + utf8_text_len, '\0');
+    const ImWchar* orbis_text_ptr = reinterpret_cast<const ImWchar*>(orbis_text);
+    ImTextStrToUtf8(utf8_text, utf8_text_len, orbis_text_ptr, orbis_text_ptr + orbis_text_len);
+
+    return true;
+}
+
+bool ImeState::ConvertUTF8ToOrbis(const char* utf8_text, std::size_t utf8_text_len,
+                                  char16_t* orbis_text, std::size_t orbis_text_len) {
+    std::fill(orbis_text, orbis_text + orbis_text_len, u'\0');
+    ImTextStrFromUtf8(reinterpret_cast<ImWchar*>(orbis_text), orbis_text_len, utf8_text, nullptr);
+
+    return true;
+}
+
+ImeUi::ImeUi(ImeState* state, const OrbisImeParam* param) : state(state), ime_param(param) {
+    if (param) {
+        AddLayer(this);
+    }
+}
+
+ImeUi::~ImeUi() {
+    std::scoped_lock lock(draw_mutex);
+    Free();
+}
+
+ImeUi& ImeUi::operator=(ImeUi&& other) {
+    std::scoped_lock lock(draw_mutex, other.draw_mutex);
+    Free();
+
+    state = other.state;
+    ime_param = other.ime_param;
+    first_render = other.first_render;
+    other.state = nullptr;
+    other.ime_param = nullptr;
+
+    AddLayer(this);
+    return *this;
+}
+
+void ImeUi::Draw() {
+    std::unique_lock lock{draw_mutex};
+
+    if (!state) {
+        return;
+    }
+
+    const auto& ctx = *GetCurrentContext();
+    const auto& io = ctx.IO;
+
+    // TODO: Figure out how to properly translate the positions -
+    //       for example, if a game wants to center the IME panel,
+    //       we have to translate the panel position in a way that it
+    //       still becomes centered, as the game normally calculates
+    //       the position assuming a it's running on a 1920x1080 screen,
+    //       whereas we are running on a 1280x720 window size (by default).
+    //
+    //       e.g. Panel position calculation from a game:
+    //       param.posx = (1920 / 2) - (panelWidth  / 2);
+    //       param.posy = (1080 / 2) - (panelHeight / 2);
+    const auto size = GetIO().DisplaySize;
+    f32 pos_x = (ime_param->posx / 1920.0f * (float)size.x);
+    f32 pos_y = (ime_param->posy / 1080.0f * (float)size.y);
+
+    ImVec2 window_pos = {pos_x, pos_y};
+    ImVec2 window_size = {500.0f, 100.0f};
+
+    // SetNextWindowPos(window_pos);
+    SetNextWindowPos(ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 0.5f),
+                     ImGuiCond_FirstUseEver, ImVec2(0.5f, 0.5f));
+    SetNextWindowSize(window_size);
+    SetNextWindowCollapsed(false);
+
+    if (first_render || !io.NavActive) {
+        SetNextWindowFocus();
+    }
+
+    if (Begin("IME##Ime", nullptr,
+              ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize |
+                  ImGuiWindowFlags_NoSavedSettings)) {
+        DrawPrettyBackground();
+
+        DrawInputText();
+        SetCursorPosY(GetCursorPosY() + 10.0f);
+
+        const char* button_text;
+        button_text = "Done##ImeDone";
+
+        float button_spacing = 10.0f;
+        float total_button_width = BUTTON_SIZE.x * 2 + button_spacing;
+        float button_start_pos = (window_size.x - total_button_width) / 2.0f;
+
+        SetCursorPosX(button_start_pos);
+
+        if (Button(button_text, BUTTON_SIZE) || (IsKeyPressed(ImGuiKey_Enter))) {
+            state->SendEnterEvent();
+        }
+
+        SameLine(0.0f, button_spacing);
+
+        if (Button("Close##ImeClose", BUTTON_SIZE)) {
+            state->SendCloseEvent();
+        }
+    }
+    End();
+
+    first_render = false;
+}
+
+void ImeUi::DrawInputText() {
+    ImVec2 input_size = {GetWindowWidth() - 40.0f, 0.0f};
+    SetCursorPosX(20.0f);
+    if (first_render) {
+        SetKeyboardFocusHere();
+    }
+    if (InputTextEx("##ImeInput", nullptr, state->current_text.begin(), ime_param->maxTextLength,
+                    input_size, ImGuiInputTextFlags_CallbackAlways, InputTextCallback, this)) {
+        state->input_changed = true;
+    }
+}
+
+int ImeUi::InputTextCallback(ImGuiInputTextCallbackData* data) {
+    ImeUi* ui = static_cast<ImeUi*>(data->UserData);
+    ASSERT(ui);
+
+    static int lastCaretPos = -1;
+    if (lastCaretPos == -1) {
+        lastCaretPos = data->CursorPos;
+    } else if (data->CursorPos != lastCaretPos) {
+        OrbisImeCaretMovementDirection caretDirection = OrbisImeCaretMovementDirection::STILL;
+        if (data->CursorPos < lastCaretPos) {
+            caretDirection = OrbisImeCaretMovementDirection::LEFT;
+        } else if (data->CursorPos > lastCaretPos) {
+            caretDirection = OrbisImeCaretMovementDirection::RIGHT;
+        }
+
+        OrbisImeEvent event{};
+        event.id = OrbisImeEventId::UPDATE_CARET;
+        event.param.caretMove = caretDirection;
+
+        lastCaretPos = data->CursorPos;
+        ui->state->SendEvent(&event);
+    }
+
+    static std::string lastText;
+    std::string currentText(data->Buf, data->BufTextLen);
+    if (currentText != lastText) {
+        OrbisImeEditText eventParam{};
+        eventParam.str = reinterpret_cast<char16_t*>(ui->ime_param->work);
+        eventParam.caretIndex = data->CursorPos;
+        eventParam.areaNum = 1;
+
+        eventParam.textArea[0].mode = 1; // Edit mode
+        eventParam.textArea[0].index = data->CursorPos;
+        eventParam.textArea[0].length = data->BufTextLen;
+
+        if (!ui->state->ConvertUTF8ToOrbis(data->Buf, data->BufTextLen, eventParam.str,
+                                           ui->ime_param->maxTextLength)) {
+            LOG_ERROR(Lib_ImeDialog, "Failed to convert Orbis char to UTF-8");
+            return 0;
+        }
+
+        if (!ui->state->ConvertUTF8ToOrbis(data->Buf, data->BufTextLen,
+                                           ui->ime_param->inputTextBuffer,
+                                           ui->ime_param->maxTextLength)) {
+            LOG_ERROR(Lib_ImeDialog, "Failed to convert Orbis char to UTF-8");
+            return 0;
+        }
+
+        OrbisImeEvent event{};
+        event.id = OrbisImeEventId::UPDATE_TEXT;
+        event.param.text = eventParam;
+
+        lastText = currentText;
+        ui->state->SendEvent(&event);
+    }
+
+    return 0;
+}
+
+void ImeUi::Free() {
+    RemoveLayer(this);
+}
+
+}; // namespace Libraries::Ime

src/core/libraries/ime/ime_ui.h

@@ -0,0 +1,76 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <mutex>
+#include <imgui.h>
+#include <queue>
+#include "imgui/imgui_layer.h"
+
+#include "common/cstring.h"
+#include "common/types.h"
+
+#include "ime.h"
+
+namespace Libraries::Ime {
+
+class ImeHandler;
+class ImeUi;
+
+class ImeState {
+    friend class ImeHandler;
+    friend class ImeUi;
+
+    bool input_changed = false;
+
+    void* work_buffer{};
+
+    char16_t* text_buffer{};
+
+    // A character can hold up to 4 bytes in UTF-8
+    Common::CString<ORBIS_IME_MAX_TEXT_LENGTH * 4> current_text;
+
+    std::queue<OrbisImeEvent> event_queue;
+    std::mutex queue_mutex;
+
+public:
+    ImeState(const OrbisImeParam* param = nullptr);
+    ImeState(ImeState&& other) noexcept;
+    ImeState& operator=(ImeState&& other) noexcept;
+
+    void SendEvent(OrbisImeEvent* event);
+    void SendEnterEvent();
+    void SendCloseEvent();
+
+private:
+    bool ConvertOrbisToUTF8(const char16_t* orbis_text, std::size_t orbis_text_len, char* utf8_text,
+                            std::size_t native_text_len);
+    bool ConvertUTF8ToOrbis(const char* native_text, std::size_t utf8_text_len,
+                            char16_t* orbis_text, std::size_t orbis_text_len);
+};
+
+class ImeUi : public ImGui::Layer {
+    ImeState* state{};
+    const OrbisImeParam* ime_param{};
+
+    bool first_render = true;
+    std::mutex draw_mutex;
+
+public:
+    explicit ImeUi(ImeState* state = nullptr, const OrbisImeParam* param = nullptr);
+    ~ImeUi() override;
+    ImeUi(const ImeUi& other) = delete;
+    ImeUi& operator=(ImeUi&& other);
+
+    void Draw() override;
+
+private:
+    void Free();
+
+    void DrawInputText();
+
+    static int InputTextCallback(ImGuiInputTextCallbackData* data);
+};
+
+}; // namespace Libraries::Ime

src/core/libraries/libs.cpp

@@ -8,12 +8,12 @@
 #include "core/libraries/audio/audioout.h"
 #include "core/libraries/audio3d/audio3d.h"
 #include "core/libraries/avplayer/avplayer.h"
-#include "core/libraries/dialogs/error_dialog.h"
-#include "core/libraries/dialogs/ime_dialog.h"
 #include "core/libraries/disc_map/disc_map.h"
 #include "core/libraries/game_live_streaming/gamelivestreaming.h"
 #include "core/libraries/gnmdriver/gnmdriver.h"
+#include "core/libraries/ime/error_dialog.h"
 #include "core/libraries/ime/ime.h"
+#include "core/libraries/ime/ime_dialog.h"
 #include "core/libraries/kernel/libkernel.h"
 #include "core/libraries/libc_internal/libc_internal.h"
 #include "core/libraries/libpng/pngdec.h"