multiple IME fixes

src/Compositor.cpp

@@ -201,6 +201,7 @@ void CCompositor::initAllSignals() {
     addWLSignal(&m_sWLRPointerConstraints->events.new_constraint, &Events::listen_newConstraint, m_sWLRPointerConstraints, "PointerConstraints");
     addWLSignal(&m_sWLRXDGDecoMgr->events.new_toplevel_decoration, &Events::listen_NewXDGDeco, m_sWLRXDGDecoMgr, "XDGDecoMgr");
     addWLSignal(&m_sWLRVirtPtrMgr->events.new_virtual_pointer, &Events::listen_newVirtPtr, m_sWLRVirtPtrMgr, "VirtPtrMgr");
+    addWLSignal(&m_sWLRVKeyboardMgr->events.new_virtual_keyboard, &Events::listen_newVirtualKeyboard, m_sWLRVKeyboardMgr, "VKeyboardMgr");
     addWLSignal(&m_sWLRRenderer->events.destroy, &Events::listen_RendererDestroy, m_sWLRRenderer, "WLRRenderer");
     addWLSignal(&m_sWLRIdleInhibitMgr->events.new_inhibitor, &Events::listen_newIdleInhibitor, m_sWLRIdleInhibitMgr, "WLRIdleInhibitMgr");
     addWLSignal(&m_sWLROutputPowerMgr->events.set_mode, &Events::listen_powerMgrSetMode, m_sWLROutputPowerMgr, "PowerMgr");

src/events/Devices.cpp

@@ -190,3 +190,9 @@ void Events::listener_pinchEnd(wl_listener* listener, void* data) {
     const auto EV = (wlr_pointer_pinch_end_event*)data;
     wlr_pointer_gestures_v1_send_pinch_end(g_pCompositor->m_sWLRPointerGestures, g_pCompositor->m_sSeat.seat, EV->time_msec, EV->cancelled);
 }
+
+void Events::listener_newVirtualKeyboard(wl_listener* listener, void* data) {
+    const auto WLRKB = (wlr_virtual_keyboard_v1*)data;
+
+    g_pInputManager->newVirtualKeyboard(&WLRKB->keyboard.base);
+}

src/events/Events.hpp

@@ -137,4 +137,5 @@ namespace Events {
     // IME
     LISTENER(newIME);
     LISTENER(newTextInput);
+    LISTENER(newVirtualKeyboard);
 };

src/helpers/WLClasses.hpp

@@ -96,6 +96,7 @@ struct SKeyboard {
     DYNLISTENER(keyboardKey);
     DYNLISTENER(keyboardDestroy);
 
+    bool isVirtual = false;
     bool active = false;
 
     std::string name = "";
@@ -286,3 +287,11 @@ struct STextInput {
 
     DYNLISTENER(pendingSurfaceDestroy);
 };
+
+struct SIMEKbGrab {
+    wlr_input_method_keyboard_grab_v2* pWlrKbGrab = nullptr;
+
+    wlr_keyboard* pKeyboard = nullptr;
+
+    DYNLISTENER(grabDestroy);
+};

src/managers/KeybindManager.cpp

@@ -93,6 +93,9 @@ uint32_t CKeybindManager::stringToModMask(std::string mods) {
 }
 
 bool CKeybindManager::onKeyEvent(wlr_keyboard_key_event* e, SKeyboard* pKeyboard) {
+    if (pKeyboard->isVirtual)
+        return true;
+
     const auto KEYCODE = e->keycode + 8;  // Because to xkbcommon it's +8 from libinput
 
     const xkb_keysym_t keysym = xkb_state_key_get_one_sym(wlr_keyboard_from_input_device(pKeyboard->keyboard)->xkb_state, KEYCODE);

src/managers/input/InputManager.cpp

@@ -436,6 +436,33 @@ void CInputManager::newKeyboard(wlr_input_device* keyboard) {
     Debug::log(LOG, "New keyboard created, pointers Hypr: %x and WLR: %x", PNEWKEYBOARD, keyboard);
 }
 
+void CInputManager::newVirtualKeyboard(wlr_input_device* keyboard) {
+    const auto PNEWKEYBOARD = &m_lKeyboards.emplace_back();
+
+    PNEWKEYBOARD->keyboard = keyboard;
+    PNEWKEYBOARD->isVirtual = true;
+
+    try {
+        PNEWKEYBOARD->name = std::string(keyboard->name);
+    } catch (std::exception& e) {
+        Debug::log(ERR, "Keyboard had no name???");  // logic error
+    }
+
+    PNEWKEYBOARD->hyprListener_keyboardMod.initCallback(&wlr_keyboard_from_input_device(keyboard)->events.modifiers, &Events::listener_keyboardMod, PNEWKEYBOARD, "Keyboard");
+    PNEWKEYBOARD->hyprListener_keyboardKey.initCallback(&wlr_keyboard_from_input_device(keyboard)->events.key, &Events::listener_keyboardKey, PNEWKEYBOARD, "Keyboard");
+    PNEWKEYBOARD->hyprListener_keyboardDestroy.initCallback(&keyboard->events.destroy, &Events::listener_keyboardDestroy, PNEWKEYBOARD, "Keyboard");
+
+    if (m_pActiveKeyboard)
+        m_pActiveKeyboard->active = false;
+    m_pActiveKeyboard = PNEWKEYBOARD;
+
+    applyConfigToKeyboard(PNEWKEYBOARD);
+
+    wlr_seat_set_keyboard(g_pCompositor->m_sSeat.seat, wlr_keyboard_from_input_device(keyboard));
+
+    Debug::log(LOG, "New virtual keyboard created, pointers Hypr: %x and WLR: %x", PNEWKEYBOARD, keyboard);
+}
+
 void CInputManager::setKeyboardLayout() {
     for (auto& k : m_lKeyboards)
         applyConfigToKeyboard(&k);
@@ -667,14 +694,29 @@ void CInputManager::onKeyboardKey(wlr_keyboard_key_event* e, SKeyboard* pKeyboar
     wlr_idle_notify_activity(g_pCompositor->m_sWLRIdle, g_pCompositor->m_sSeat.seat);
 
     if (passEvent) {
+
+        const auto PIMEGRAB = m_sIMERelay.getIMEKeyboardGrab(pKeyboard);
+
+        if (PIMEGRAB && PIMEGRAB->pWlrKbGrab && PIMEGRAB->pWlrKbGrab->input_method) {
+            wlr_input_method_keyboard_grab_v2_set_keyboard(PIMEGRAB->pWlrKbGrab, wlr_keyboard_from_input_device(pKeyboard->keyboard));
+            wlr_input_method_keyboard_grab_v2_send_key(PIMEGRAB->pWlrKbGrab, e->time_msec, e->keycode, e->state);
+        } else {
             wlr_seat_set_keyboard(g_pCompositor->m_sSeat.seat, wlr_keyboard_from_input_device(pKeyboard->keyboard));
             wlr_seat_keyboard_notify_key(g_pCompositor->m_sSeat.seat, e->time_msec, e->keycode, e->state);
         }
+    }
 }
 
 void CInputManager::onKeyboardMod(void* data, SKeyboard* pKeyboard) {
+    const auto PIMEGRAB = m_sIMERelay.getIMEKeyboardGrab(pKeyboard);
+
+    if (PIMEGRAB && PIMEGRAB->pWlrKbGrab && PIMEGRAB->pWlrKbGrab->input_method) {
+        wlr_input_method_keyboard_grab_v2_set_keyboard(PIMEGRAB->pWlrKbGrab, wlr_keyboard_from_input_device(pKeyboard->keyboard));
+        wlr_input_method_keyboard_grab_v2_send_modifiers(PIMEGRAB->pWlrKbGrab, &wlr_keyboard_from_input_device(pKeyboard->keyboard)->modifiers);
+    } else {
         wlr_seat_set_keyboard(g_pCompositor->m_sSeat.seat, wlr_keyboard_from_input_device(pKeyboard->keyboard));
         wlr_seat_keyboard_notify_modifiers(g_pCompositor->m_sSeat.seat, &wlr_keyboard_from_input_device(pKeyboard->keyboard)->modifiers);
+    }
 }
 
 void CInputManager::refocus() {

src/managers/input/InputManager.hpp

@@ -23,6 +23,7 @@ public:
     void            onKeyboardMod(void*, SKeyboard*);
 
     void            newKeyboard(wlr_input_device*);
+    void            newVirtualKeyboard(wlr_input_device*);
     void            newMouse(wlr_input_device*, bool virt = false);
     void            destroyKeyboard(SKeyboard*);
     void            destroyMouse(wlr_input_device*);

src/managers/input/InputMethodRelay.cpp

@@ -1,5 +1,6 @@
 #include "InputMethodRelay.hpp"
 #include "InputManager.hpp"
+#include "../../Compositor.hpp"
 
 CInputMethodRelay::CInputMethodRelay() {
     
@@ -29,15 +30,17 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
         Debug::log(LOG, "IME Commit");
 
         if (PIMR->m_pWLRIME->current.preedit.text) {
+            Debug::log(LOG, "IME TextInput preedit");
             wlr_text_input_v3_send_preedit_string(PTI->pWlrInput, PIMR->m_pWLRIME->current.preedit.text, PIMR->m_pWLRIME->current.preedit.cursor_begin, PIMR->m_pWLRIME->current.preedit.cursor_end);
         }
 
         if (PIMR->m_pWLRIME->current.commit_text) {
+            Debug::log(LOG, "IME TextInput commit");
             wlr_text_input_v3_send_commit_string(PTI->pWlrInput, PIMR->m_pWLRIME->current.commit_text);
         }
 
-        if (PIMR->m_pWLRIME->current.delete_.before_length ||
-            PIMR->m_pWLRIME->current.delete_.after_length) {
+        if (PIMR->m_pWLRIME->current.delete_.before_length || PIMR->m_pWLRIME->current.delete_.after_length) {
+            Debug::log(LOG, "IME TextInput delete");
             wlr_text_input_v3_send_delete_surrounding_text(PTI->pWlrInput, PIMR->m_pWLRIME->current.delete_.before_length, PIMR->m_pWLRIME->current.delete_.after_length);
         }
 
@@ -51,6 +54,9 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
 
         hyprListener_IMEDestroy.removeCallback();
         hyprListener_IMECommit.removeCallback();
+        hyprListener_IMEGrab.removeCallback();
+
+        m_pKeyboardGrab.reset(nullptr);
 
         const auto PTI = getFocusedTextInput();
 
@@ -64,6 +70,38 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
 
     }, this, "IMERelay");
 
+    hyprListener_IMEGrab.initCallback(&m_pWLRIME->events.grab_keyboard, [&](void* owner, void* data) {
+
+        Debug::log(LOG, "IME TextInput Keyboard Grab new");
+
+        m_pKeyboardGrab.reset(nullptr);
+
+        m_pKeyboardGrab = std::make_unique<SIMEKbGrab>();
+
+        m_pKeyboardGrab->pKeyboard = wlr_seat_get_keyboard(g_pCompositor->m_sSeat.seat);
+
+        const auto PKBGRAB = (wlr_input_method_keyboard_grab_v2*)data;
+
+        m_pKeyboardGrab->pWlrKbGrab = PKBGRAB;
+
+        wlr_input_method_keyboard_grab_v2_set_keyboard(m_pKeyboardGrab->pWlrKbGrab, m_pKeyboardGrab->pKeyboard);
+
+        m_pKeyboardGrab->hyprListener_grabDestroy.initCallback(&PKBGRAB->events.destroy, [&](void* owner, void* data) {
+
+            m_pKeyboardGrab->hyprListener_grabDestroy.removeCallback();
+
+            Debug::log(LOG, "IME TextInput Keyboard Grab destroy");
+
+            if (m_pKeyboardGrab->pKeyboard) {
+                wlr_seat_keyboard_notify_modifiers(g_pCompositor->m_sSeat.seat, &m_pKeyboardGrab->pKeyboard->modifiers);
+            }
+
+            m_pKeyboardGrab.reset(nullptr);
+
+        }, m_pKeyboardGrab.get(), "IME Keyboard Grab");
+
+    }, this, "IMERelay");
+
     const auto PTI = getFocusableTextInput();
 
     if (PTI) {
@@ -72,6 +110,25 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
     }
 }
 
+SIMEKbGrab* CInputMethodRelay::getIMEKeyboardGrab(SKeyboard* pKeyboard) {
+
+    if (!m_pWLRIME)
+        return nullptr;
+
+    if (!m_pKeyboardGrab.get())
+        return nullptr;
+
+    const auto VIRTKB = wlr_input_device_get_virtual_keyboard(pKeyboard->keyboard);
+
+    if (VIRTKB && (wl_resource_get_client(VIRTKB->resource) == wl_resource_get_client(m_pKeyboardGrab->pWlrKbGrab->resource)))
+        return nullptr;
+
+    if (wlr_keyboard_from_input_device(pKeyboard->keyboard) != m_pKeyboardGrab->pKeyboard)
+        return nullptr;
+
+    return m_pKeyboardGrab.get();
+}
+
 STextInput* CInputMethodRelay::getFocusedTextInput() {
     for (auto& ti : m_lTextInputs) {
         if (ti.pWlrInput->focused_surface) {
@@ -184,9 +241,14 @@ void CInputMethodRelay::removeTextInput(wlr_text_input_v3* pInput) {
 }
 
 void CInputMethodRelay::commitIMEState(wlr_text_input_v3* pInput) {
+    if (pInput->active_features & WLR_TEXT_INPUT_V3_FEATURE_SURROUNDING_TEXT)
         wlr_input_method_v2_send_surrounding_text(m_pWLRIME, pInput->current.surrounding.text, pInput->current.surrounding.cursor, pInput->current.surrounding.anchor);
+
     wlr_input_method_v2_send_text_change_cause(m_pWLRIME, pInput->current.text_change_cause);
+
+    if (pInput->active_features & WLR_TEXT_INPUT_V3_FEATURE_CONTENT_TYPE)
         wlr_input_method_v2_send_content_type(m_pWLRIME, pInput->current.content_type.hint, pInput->current.content_type.purpose);
+
     wlr_input_method_v2_send_done(m_pWLRIME);
 }
 

src/managers/input/InputMethodRelay.hpp

@@ -22,13 +22,18 @@ public:
 
     void        setPendingSurface(STextInput*, wlr_surface*);
 
+    SIMEKbGrab* getIMEKeyboardGrab(SKeyboard*);
+
 private:
 
+    std::unique_ptr<SIMEKbGrab> m_pKeyboardGrab;
+
     std::list<STextInput>   m_lTextInputs;
 
     DYNLISTENER(textInputNew);
     DYNLISTENER(IMECommit);
     DYNLISTENER(IMEDestroy);
+    DYNLISTENER(IMEGrab);
 
     void        createNewTextInput(wlr_text_input_v3*);
 };