IME: Improve handling of text-input and ime-relay (#5147)

* input: Handling multiple surfaces for the text-input-v1 protocol implementation and imporve InputMethodRelay logic

fixes #2708

* clang-format

* minor style nits

---------

Co-authored-by: Vaxry <vaxry@vaxry.net>
This commit is contained in:
joshua 2024-03-19 23:54:33 +08:00 committed by GitHub
parent 05c84304cc
commit 5c1097cbc1
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 145 additions and 100 deletions

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@ -291,17 +291,14 @@ struct SSwipeGesture {
struct STextInputV1;
struct STextInput {
wlr_text_input_v3* pWlrInput = nullptr;
STextInputV1* pV1Input = nullptr;
wlr_surface* pPendingSurface = nullptr;
wlr_text_input_v3* pWlrInput = nullptr;
STextInputV1* pV1Input = nullptr;
wlr_surface* focusedSurface = nullptr;
DYNLISTENER(textInputEnable);
DYNLISTENER(textInputDisable);
DYNLISTENER(textInputCommit);
DYNLISTENER(textInputDestroy);
DYNLISTENER(pendingSurfaceDestroy);
};
struct SIMEKbGrab {

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@ -87,14 +87,8 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
Debug::log(LOG, "IME Destroy");
if (PTI) {
setPendingSurface(PTI, focusedSurface(PTI));
if (PTI->pWlrInput)
wlr_text_input_v3_send_leave(PTI->pWlrInput);
else
zwp_text_input_v1_send_leave(PTI->pV1Input->resourceImpl);
}
if (PTI)
onTextInputEnter(PTI->focusedSurface);
},
this, "IMERelay");
@ -144,16 +138,8 @@ void CInputMethodRelay::onNewIME(wlr_input_method_v2* pIME) {
},
this, "IMERelay");
const auto PTI = getFocusableTextInput();
if (PTI) {
if (PTI->pWlrInput)
wlr_text_input_v3_send_enter(PTI->pWlrInput, PTI->pPendingSurface);
else
zwp_text_input_v1_send_enter(PTI->pV1Input->resourceImpl, PTI->pPendingSurface->resource);
setPendingSurface(PTI, nullptr);
}
if (const auto PTI = getFocusedTextInput(); PTI)
onTextInputEnter(PTI->focusedSurface);
}
wlr_surface* CInputMethodRelay::focusedSurface(STextInput* pTI) {
@ -322,22 +308,8 @@ SIMEKbGrab* CInputMethodRelay::getIMEKeyboardGrab(SKeyboard* pKeyboard) {
}
STextInput* CInputMethodRelay::getFocusedTextInput() {
for (auto& ti : m_lTextInputs) {
if (focusedSurface(&ti)) {
return &ti;
}
}
return nullptr;
}
STextInput* CInputMethodRelay::getFocusableTextInput() {
for (auto& ti : m_lTextInputs) {
if (ti.pPendingSurface) {
return &ti;
}
}
if (m_pFocusedSurface)
return getTextInput(m_pFocusedSurface);
return nullptr;
}
@ -347,6 +319,13 @@ void CInputMethodRelay::onNewTextInput(wlr_text_input_v3* pInput) {
}
void CInputMethodRelay::createNewTextInput(wlr_text_input_v3* pInput, STextInputV1* pTIV1) {
if (pInput) {
if (!setTextInputVersion(wl_resource_get_client(pInput->resource), 3))
return;
} else if (!setTextInputVersion(pTIV1->client, 1))
return;
const auto PTEXTINPUT = &m_lTextInputs.emplace_back();
PTEXTINPUT->pWlrInput = pInput;
@ -357,7 +336,7 @@ void CInputMethodRelay::createNewTextInput(wlr_text_input_v3* pInput, STextInput
PTEXTINPUT->hyprListener_textInputEnable.initCallback(
pInput ? &pInput->events.enable : &pTIV1->sEnable,
[](void* owner, void* data) {
[&](void* owner, void* data) {
const auto PINPUT = (STextInput*)owner;
if (!g_pInputManager->m_sIMERelay.m_pWLRIME) {
@ -365,6 +344,15 @@ void CInputMethodRelay::createNewTextInput(wlr_text_input_v3* pInput, STextInput
return;
}
// v1 only, map surface to PTI
if (PINPUT->pV1Input) {
wlr_surface* pSurface = wlr_surface_from_resource((wl_resource*)data);
PINPUT->focusedSurface = pSurface;
setSurfaceToPTI(pSurface, PINPUT);
if (m_pFocusedSurface == pSurface)
onTextInputEnter(pSurface);
}
Debug::log(LOG, "Enable TextInput");
wlr_input_method_v2_send_activate(g_pInputManager->m_sIMERelay.m_pWLRIME);
@ -405,6 +393,7 @@ void CInputMethodRelay::createNewTextInput(wlr_text_input_v3* pInput, STextInput
wlr_input_method_v2_send_deactivate(g_pInputManager->m_sIMERelay.m_pWLRIME);
g_pInputManager->m_sIMERelay.removeSurfaceToPTI(PINPUT);
g_pInputManager->m_sIMERelay.commitIMEState(PINPUT);
},
PTEXTINPUT, "textInput");
@ -425,13 +414,13 @@ void CInputMethodRelay::createNewTextInput(wlr_text_input_v3* pInput, STextInput
g_pInputManager->m_sIMERelay.commitIMEState(PINPUT);
}
g_pInputManager->m_sIMERelay.setPendingSurface(PINPUT, nullptr);
PINPUT->hyprListener_textInputCommit.removeCallback();
PINPUT->hyprListener_textInputDestroy.removeCallback();
PINPUT->hyprListener_textInputDisable.removeCallback();
PINPUT->hyprListener_textInputEnable.removeCallback();
g_pInputManager->m_sIMERelay.removeTextInputVersion(PINPUT->pWlrInput ? wl_resource_get_client(PINPUT->pWlrInput->resource) : PINPUT->pV1Input->client);
g_pInputManager->m_sIMERelay.removeSurfaceToPTI(PINPUT);
g_pInputManager->m_sIMERelay.removeTextInput(PINPUT);
},
PTEXTINPUT, "textInput");
@ -478,64 +467,110 @@ void CInputMethodRelay::onKeyboardFocus(wlr_surface* pSurface) {
if (!m_pWLRIME)
return;
auto client = [](STextInput* pTI) -> wl_client* { return pTI->pWlrInput ? wl_resource_get_client(pTI->pWlrInput->resource) : pTI->pV1Input->client; };
if (pSurface == m_pFocusedSurface)
return;
for (auto& ti : m_lTextInputs) {
if (ti.pPendingSurface) {
// say goodbye to the last focused surface
if (STextInput* lastTI = getTextInput(m_pFocusedSurface); lastTI) {
wlr_input_method_v2_send_deactivate(m_pWLRIME);
commitIMEState(lastTI);
onTextInputLeave(m_pFocusedSurface);
}
if (pSurface != ti.pPendingSurface)
setPendingSurface(&ti, nullptr);
// do some work for the new focused surface
m_pFocusedSurface = pSurface;
} else if (focusedSurface(&ti)) {
if (pSurface != focusedSurface(&ti)) {
wlr_input_method_v2_send_deactivate(m_pWLRIME);
commitIMEState(&ti);
if (ti.pWlrInput)
wlr_text_input_v3_send_leave(ti.pWlrInput);
else {
zwp_text_input_v1_send_leave(ti.pV1Input->resourceImpl);
ti.pV1Input->focusedSurface = nullptr;
ti.pV1Input->active = false;
}
} else {
continue;
}
}
if (pSurface && client(&ti) == wl_resource_get_client(pSurface->resource)) {
if (m_pWLRIME) {
if (ti.pWlrInput)
wlr_text_input_v3_send_enter(ti.pWlrInput, pSurface);
else {
zwp_text_input_v1_send_enter(ti.pV1Input->resourceImpl, pSurface->resource);
ti.pV1Input->focusedSurface = pSurface;
ti.pV1Input->active = true;
}
} else {
setPendingSurface(&ti, pSurface);
/*
* v3 only. v1 is handled by hyprListener_textInputEnable.
* POSSIBLE BUG here: if one client has multiple STextInput and multiple surfaces, for any pSurface we can only record the last found ti.
* since original code has the same problem, it may not be a big deal.
*/
if (getTextInputVersion(wl_resource_get_client(pSurface->resource)) == 3) {
if (!getTextInput(pSurface)) {
auto client = [](STextInput* pTI) -> wl_client* { return pTI->pWlrInput ? wl_resource_get_client(pTI->pWlrInput->resource) : pTI->pV1Input->client; };
for (auto& ti : m_lTextInputs) {
if (client(&ti) == wl_resource_get_client(pSurface->resource) && ti.pWlrInput)
setSurfaceToPTI(pSurface, &ti);
}
}
}
onTextInputEnter(m_pFocusedSurface);
}
void CInputMethodRelay::setPendingSurface(STextInput* pInput, wlr_surface* pSurface) {
pInput->pPendingSurface = pSurface;
void CInputMethodRelay::onTextInputLeave(wlr_surface* pSurface) {
if (!pSurface)
return;
STextInput* ti = getTextInput(pSurface);
if (!ti)
return;
if (ti->pWlrInput)
wlr_text_input_v3_send_leave(ti->pWlrInput);
else {
zwp_text_input_v1_send_leave(ti->pV1Input->resourceImpl);
ti->pV1Input->focusedSurface = nullptr;
ti->pV1Input->active = false;
}
}
void CInputMethodRelay::onTextInputEnter(wlr_surface* pSurface) {
if (!pSurface)
return;
STextInput* ti = getTextInput(pSurface);
if (!ti)
return;
if (ti->pWlrInput)
wlr_text_input_v3_send_enter(ti->pWlrInput, pSurface);
else {
zwp_text_input_v1_send_enter(ti->pV1Input->resourceImpl, pSurface->resource);
ti->pV1Input->focusedSurface = pSurface;
ti->pV1Input->active = true;
}
}
void CInputMethodRelay::setSurfaceToPTI(wlr_surface* pSurface, STextInput* pInput) {
if (pSurface) {
pInput->hyprListener_pendingSurfaceDestroy.initCallback(
&pSurface->events.destroy,
[](void* owner, void* data) {
const auto PINPUT = (STextInput*)owner;
PINPUT->pPendingSurface = nullptr;
PINPUT->hyprListener_pendingSurfaceDestroy.removeCallback();
},
pInput, "TextInput");
} else {
pInput->hyprListener_pendingSurfaceDestroy.removeCallback();
m_mSurfaceToTextInput[pSurface] = pInput;
pInput->focusedSurface = pSurface;
}
}
void CInputMethodRelay::removeSurfaceToPTI(STextInput* pInput) {
if (pInput->focusedSurface) {
m_mSurfaceToTextInput.erase(pInput->focusedSurface);
pInput->focusedSurface = nullptr;
}
}
STextInput* CInputMethodRelay::getTextInput(wlr_surface* pSurface) {
auto result = m_mSurfaceToTextInput.find(pSurface);
if (result != m_mSurfaceToTextInput.end())
return result->second;
return nullptr;
}
int CInputMethodRelay::setTextInputVersion(wl_client* pClient, int version) {
if (int v = getTextInputVersion(pClient); v != 0 && v != version) {
Debug::log(WARN, "Client attempt to register text-input-v{}, but it has already registered text-input-v{}, ignored", version, v);
return 0;
}
m_mClientTextInputVersion.insert({pClient, version});
return 1;
}
int CInputMethodRelay::getTextInputVersion(wl_client* pClient) {
auto result = m_mClientTextInputVersion.find(pClient);
if (result != m_mClientTextInputVersion.end())
return result->second;
return 0;
}
void CInputMethodRelay::removeTextInputVersion(wl_client* pClient) {
m_mClientTextInputVersion.erase(pClient);
}

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@ -22,9 +22,6 @@ class CInputMethodRelay {
void onKeyboardFocus(wlr_surface*);
STextInput* getFocusedTextInput();
STextInput* getFocusableTextInput();
void setPendingSurface(STextInput*, wlr_surface*);
SIMEKbGrab* getIMEKeyboardGrab(SKeyboard*);
@ -45,8 +42,22 @@ class CInputMethodRelay {
DYNLISTENER(IMEGrab);
DYNLISTENER(IMENewPopup);
void createNewTextInput(wlr_text_input_v3*, STextInputV1* tiv1 = nullptr);
wlr_surface* focusedSurface(STextInput* pInput);
void createNewTextInput(wlr_text_input_v3*, STextInputV1* tiv1 = nullptr);
wlr_surface* focusedSurface(STextInput* pInput);
wlr_surface* m_pFocusedSurface;
void onTextInputLeave(wlr_surface* pSurface);
void onTextInputEnter(wlr_surface* pSurface);
std::unordered_map<wlr_surface*, STextInput*> m_mSurfaceToTextInput;
void setSurfaceToPTI(wlr_surface* pSurface, STextInput* pInput);
STextInput* getTextInput(wlr_surface* pSurface);
void removeSurfaceToPTI(STextInput* pInput);
std::unordered_map<wl_client*, int> m_mClientTextInputVersion;
int setTextInputVersion(wl_client* pClient, int version);
int getTextInputVersion(wl_client* pClient);
void removeTextInputVersion(wl_client* pClient);
friend class CHyprRenderer;
friend class CInputManager;

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@ -113,8 +113,6 @@ void CTextInputV1ProtocolManager::removeTI(STextInputV1* pTI) {
// if ((*TI)->resourceImpl)
// wl_resource_destroy((*TI)->resourceImpl);
g_pInputManager->m_sIMERelay.removeTextInput((*TI)->pTextInput);
std::erase_if(m_pClients, [&](const auto& other) { return other.get() == pTI; });
}
@ -165,7 +163,11 @@ void CTextInputV1ProtocolManager::createTI(wl_client* client, wl_resource* resou
void CTextInputV1ProtocolManager::handleActivate(wl_client* client, wl_resource* resource, wl_resource* seat, wl_resource* surface) {
const auto PTI = tiFromResource(resource);
PTI->pTextInput->hyprListener_textInputEnable.emit(nullptr);
if (!surface) {
Debug::log(WARN, "Text-input-v1 PTI{:x}: No surface to activate text input on!", (uintptr_t)PTI);
return;
}
PTI->pTextInput->hyprListener_textInputEnable.emit(surface);
}
void CTextInputV1ProtocolManager::handleDeactivate(wl_client* client, wl_resource* resource, wl_resource* seat) {