protocols: move screencopy and toplevel export to hyprwayland-scanner (#7065)

* move screencopy and toplevel export to hyprwayland-scanner

* oops

1 files changed, 267 insertions, 396 deletions

diff --git a/src/protocols/Screencopy.cpp b/src/protocols/Screencopy.cpp
index 98cb0be9..a8afba84 100644
--- a/src/protocols/Screencopy.cpp
+++ b/src/protocols/Screencopy.cpp
@@ -9,245 +9,39 @@
 
 #include <algorithm>
 
-#define SCREENCOPY_VERSION 3
+#define LOGM PROTO::screencopy->protoLog
 
-static void bindManagerInt(wl_client* client, void* data, uint32_t version, uint32_t id) {
-    g_pProtocolManager->m_pScreencopyProtocolManager->bindManager(client, data, version, id);
+CScreencopyFrame::~CScreencopyFrame() {
+    if (buffer && buffer->locked())
+        buffer->unlock();
 }
 
-static void handleDisplayDestroy(struct wl_listener* listener, void* data) {
-    CScreencopyProtocolManager* proto = wl_container_of(listener, proto, m_liDisplayDestroy);
-    proto->displayDestroy();
-}
-
-void CScreencopyProtocolManager::displayDestroy() {
-    wl_list_remove(&m_liDisplayDestroy.link);
-    wl_list_init(&m_liDisplayDestroy.link);
-    wl_global_destroy(m_pGlobal);
-}
-
-static SScreencopyFrame* frameFromResource(wl_resource*);
-
-CScreencopyProtocolManager::~CScreencopyProtocolManager() {
-    displayDestroy();
-}
-
-CScreencopyProtocolManager::CScreencopyProtocolManager() {
-
-    m_pGlobal = wl_global_create(g_pCompositor->m_sWLDisplay, &zwlr_screencopy_manager_v1_interface, SCREENCOPY_VERSION, this, bindManagerInt);
-
-    if (!m_pGlobal) {
-        Debug::log(ERR, "ScreencopyProtocolManager could not start! Screensharing will not work!");
-        return;
-    }
-
-    m_liDisplayDestroy.notify = handleDisplayDestroy;
-    wl_display_add_destroy_listener(g_pCompositor->m_sWLDisplay, &m_liDisplayDestroy);
-
-    Debug::log(LOG, "ScreencopyProtocolManager started successfully!");
-
-    m_pSoftwareCursorTimer = makeShared<CEventLoopTimer>(
-        std::nullopt,
-        [this](SP<CEventLoopTimer> self, void* data) {
-            // TODO: make it per-monitor
-            for (auto& m : g_pCompositor->m_vMonitors) {
-                g_pPointerManager->unlockSoftwareForMonitor(m);
-            }
-            m_bTimerArmed = false;
-
-            Debug::log(LOG, "[screencopy] Releasing software cursor lock");
-        },
-        nullptr);
-    g_pEventLoopManager->addTimer(m_pSoftwareCursorTimer);
-}
-
-static void handleCaptureOutput(wl_client* client, wl_resource* resource, uint32_t frame, int32_t overlay_cursor, wl_resource* output) {
-    g_pProtocolManager->m_pScreencopyProtocolManager->captureOutput(client, resource, frame, overlay_cursor, output);
-}
-
-static void handleCaptureRegion(wl_client* client, wl_resource* resource, uint32_t frame, int32_t overlay_cursor, wl_resource* output, int32_t x, int32_t y, int32_t width,
-                                int32_t height) {
-    g_pProtocolManager->m_pScreencopyProtocolManager->captureOutput(client, resource, frame, overlay_cursor, output, {x, y, width, height});
-}
-
-static void handleDestroy(wl_client* client, wl_resource* resource) {
-    wl_resource_destroy(resource);
-}
-
-static void handleCopyFrame(wl_client* client, wl_resource* resource, wl_resource* buffer) {
-    const auto PFRAME = frameFromResource(resource);
-
-    if (!PFRAME)
-        return;
-
-    g_pProtocolManager->m_pScreencopyProtocolManager->copyFrame(client, resource, buffer);
-}
-
-static void handleCopyWithDamage(wl_client* client, wl_resource* resource, wl_resource* buffer) {
-    const auto PFRAME = frameFromResource(resource);
-
-    if (!PFRAME)
-        return;
-
-    PFRAME->withDamage = true;
-    handleCopyFrame(client, resource, buffer);
-}
-
-static void handleDestroyFrame(wl_client* client, wl_resource* resource) {
-    wl_resource_destroy(resource);
-}
-
-static const struct zwlr_screencopy_manager_v1_interface screencopyMgrImpl = {
-    .capture_output        = handleCaptureOutput,
-    .capture_output_region = handleCaptureRegion,
-    .destroy               = handleDestroy,
-};
-
-static const struct zwlr_screencopy_frame_v1_interface screencopyFrameImpl = {
-    .copy             = handleCopyFrame,
-    .destroy          = handleDestroyFrame,
-    .copy_with_damage = handleCopyWithDamage,
-};
-
-static CScreencopyClient* clientFromResource(wl_resource* resource) {
-    ASSERT(wl_resource_instance_of(resource, &zwlr_screencopy_manager_v1_interface, &screencopyMgrImpl));
-    return (CScreencopyClient*)wl_resource_get_user_data(resource);
-}
-
-static SScreencopyFrame* frameFromResource(wl_resource* resource) {
-    ASSERT(wl_resource_instance_of(resource, &zwlr_screencopy_frame_v1_interface, &screencopyFrameImpl));
-    return (SScreencopyFrame*)wl_resource_get_user_data(resource);
-}
-
-void CScreencopyProtocolManager::removeClient(CScreencopyClient* client, bool force) {
-    if (!client)
-        return;
-
-    if (!force) {
-        if (!client || client->ref <= 0)
-            return;
-
-        if (--client->ref != 0)
-            return;
-    }
-
-    m_lClients.remove(*client); // TODO: this doesn't get cleaned up after sharing app exits???
-
-    for (auto& f : m_lFrames) {
-        // avoid dangling ptrs
-        if (f.client == client)
-            f.client = nullptr;
-    }
-}
-
-static void handleManagerResourceDestroy(wl_resource* resource) {
-    const auto PCLIENT = clientFromResource(resource);
-
-    g_pProtocolManager->m_pScreencopyProtocolManager->removeClient(PCLIENT, true);
-}
-
-CScreencopyClient::~CScreencopyClient() {
-    g_pHookSystem->unhook(tickCallback);
-}
-
-CScreencopyClient::CScreencopyClient() {
-    lastMeasure.reset();
-    lastFrame.reset();
-    tickCallback = g_pHookSystem->hookDynamic("tick", [&](void* self, SCallbackInfo& info, std::any data) { onTick(); });
-}
-
-void CScreencopyClient::onTick() {
-    if (lastMeasure.getMillis() < 500)
-        return;
-
-    framesInLastHalfSecond = frameCounter;
-    frameCounter           = 0;
-    lastMeasure.reset();
-
-    const auto LASTFRAMEDELTA = lastFrame.getMillis() / 1000.0;
-    const bool FRAMEAWAITING  = std::ranges::any_of(g_pProtocolManager->m_pScreencopyProtocolManager->m_lFrames, [&](const auto& frame) { return frame.client == this; }) ||
-        std::ranges::any_of(g_pProtocolManager->m_pToplevelExportProtocolManager->m_lFrames, [&](const auto& frame) { return frame.client == this; });
-
-    if (framesInLastHalfSecond > 3 && !sentScreencast) {
-        EMIT_HOOK_EVENT("screencast", (std::vector<uint64_t>{1, (uint64_t)framesInLastHalfSecond, (uint64_t)clientOwner}));
-        g_pEventManager->postEvent(SHyprIPCEvent{"screencast", "1," + std::to_string(clientOwner)});
-        sentScreencast = true;
-    } else if (framesInLastHalfSecond < 4 && sentScreencast && LASTFRAMEDELTA > 1.0 && !FRAMEAWAITING) {
-        EMIT_HOOK_EVENT("screencast", (std::vector<uint64_t>{0, (uint64_t)framesInLastHalfSecond, (uint64_t)clientOwner}));
-        g_pEventManager->postEvent(SHyprIPCEvent{"screencast", "0," + std::to_string(clientOwner)});
-        sentScreencast = false;
-    }
-}
-
-void CScreencopyProtocolManager::bindManager(wl_client* client, void* data, uint32_t version, uint32_t id) {
-    const auto PCLIENT = &m_lClients.emplace_back();
-
-    PCLIENT->resource = wl_resource_create(client, &zwlr_screencopy_manager_v1_interface, version, id);
-
-    if (!PCLIENT->resource) {
-        Debug::log(ERR, "ScreencopyProtocolManager could not bind! (out of memory?)");
-        m_lClients.remove(*PCLIENT);
-        wl_client_post_no_memory(client);
+CScreencopyFrame::CScreencopyFrame(SP<CZwlrScreencopyFrameV1> resource_, int32_t overlay_cursor, wl_resource* output, CBox box_) : resource(resource_) {
+    if (!good())
         return;
-    }
-
-    PCLIENT->ref = 1;
-
-    wl_resource_set_implementation(PCLIENT->resource, &screencopyMgrImpl, PCLIENT, handleManagerResourceDestroy);
-
-    Debug::log(LOG, "ScreencopyProtocolManager bound successfully!");
-}
-
-static void handleFrameResourceDestroy(wl_resource* resource) {
-    const auto PFRAME = frameFromResource(resource);
-
-    g_pProtocolManager->m_pScreencopyProtocolManager->removeFrame(PFRAME);
-}
 
-void CScreencopyProtocolManager::removeFrame(SScreencopyFrame* frame, bool force) {
-    if (!frame)
-        return;
-
-    std::erase_if(m_vFramesAwaitingWrite, [&](const auto& other) { return other == frame; });
-
-    wl_resource_set_user_data(frame->resource, nullptr);
-    if (frame->buffer && frame->buffer->locked())
-        frame->buffer->unlock();
-    removeClient(frame->client, force);
-    m_lFrames.remove(*frame);
-}
-
-void CScreencopyProtocolManager::captureOutput(wl_client* client, wl_resource* resource, uint32_t frame, int32_t overlay_cursor, wl_resource* output, CBox box) {
-    const auto PCLIENT = clientFromResource(resource);
-
-    const auto PFRAME     = &m_lFrames.emplace_back();
-    PFRAME->overlayCursor = !!overlay_cursor;
-    PFRAME->resource      = wl_resource_create(client, &zwlr_screencopy_frame_v1_interface, wl_resource_get_version(resource), frame);
-    PFRAME->pMonitor      = CWLOutputResource::fromResource(output)->monitor.get();
-
-    if (!PFRAME->pMonitor) {
-        Debug::log(ERR, "client requested sharing of a monitor that doesnt exist");
-        zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);
-        removeFrame(PFRAME);
-        return;
-    }
+    overlayCursor = !!overlay_cursor;
+    pMonitor      = CWLOutputResource::fromResource(output)->monitor.get();
 
-    if (!PFRAME->resource) {
-        Debug::log(ERR, "Couldn't alloc frame for sharing! (no memory)");
-        removeFrame(PFRAME);
-        wl_client_post_no_memory(client);
+    if (!pMonitor) {
+        LOGM(ERR, "Client requested sharing of a monitor that doesnt exist");
+        resource->sendFailed();
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    wl_resource_set_implementation(PFRAME->resource, &screencopyFrameImpl, PFRAME, handleFrameResourceDestroy);
-
-    PFRAME->client = PCLIENT;
-    PCLIENT->ref++;
+    resource->setOnDestroy([this](CZwlrScreencopyFrameV1* pMgr) { PROTO::screencopy->destroyResource(this); });
+    resource->setDestroy([this](CZwlrScreencopyFrameV1* pFrame) { PROTO::screencopy->destroyResource(this); });
+    resource->setCopy([this](CZwlrScreencopyFrameV1* pFrame, wl_resource* res) { this->copy(pFrame, res); });
+    resource->setCopyWithDamage([this](CZwlrScreencopyFrameV1* pFrame, wl_resource* res) {
+        withDamage = true;
+        this->copy(pFrame, res);
+    });
 
     g_pHyprRenderer->makeEGLCurrent();
 
-    if (g_pHyprOpenGL->m_mMonitorRenderResources.contains(PFRAME->pMonitor)) {
-        const auto& RDATA = g_pHyprOpenGL->m_mMonitorRenderResources.at(PFRAME->pMonitor);
+    if (g_pHyprOpenGL->m_mMonitorRenderResources.contains(pMonitor)) {
+        const auto& RDATA = g_pHyprOpenGL->m_mMonitorRenderResources.at(pMonitor);
         // bind the fb for its format. Suppress gl errors.
 #ifndef GLES2
         glBindFramebuffer(GL_READ_FRAMEBUFFER, RDATA.offloadFB.m_iFb);
@@ -255,246 +49,212 @@ void CScreencopyProtocolManager::captureOutput(wl_client* client, wl_resource* r
         glBindFramebuffer(GL_FRAMEBUFFER, RDATA.offloadFB.m_iFb);
 #endif
     } else
-        Debug::log(ERR, "No RDATA in screencopy???");
+        LOGM(ERR, "No RDATA in screencopy???");
 
-    PFRAME->shmFormat = g_pHyprOpenGL->getPreferredReadFormat(PFRAME->pMonitor);
-    if (PFRAME->shmFormat == DRM_FORMAT_INVALID) {
-        Debug::log(ERR, "No format supported by renderer in capture output");
-        zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);
-        removeFrame(PFRAME);
+    shmFormat = g_pHyprOpenGL->getPreferredReadFormat(pMonitor);
+    if (shmFormat == DRM_FORMAT_INVALID) {
+        LOGM(ERR, "No format supported by renderer in capture output");
+        resource->sendFailed();
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    const auto PSHMINFO = FormatUtils::getPixelFormatFromDRM(PFRAME->shmFormat);
+    const auto PSHMINFO = FormatUtils::getPixelFormatFromDRM(shmFormat);
     if (!PSHMINFO) {
-        Debug::log(ERR, "No pixel format supported by renderer in capture output");
-        zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);
-        removeFrame(PFRAME);
+        LOGM(ERR, "No pixel format supported by renderer in capture output");
+        resource->sendFailed();
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    PFRAME->dmabufFormat = PFRAME->pMonitor->output->state->state().drmFormat;
+    dmabufFormat = pMonitor->output->state->state().drmFormat;
 
-    if (box.width == 0 && box.height == 0)
-        PFRAME->box = {0, 0, (int)(PFRAME->pMonitor->vecSize.x), (int)(PFRAME->pMonitor->vecSize.y)};
+    if (box_.width == 0 && box_.height == 0)
+        box = {0, 0, (int)(pMonitor->vecSize.x), (int)(pMonitor->vecSize.y)};
     else {
-        PFRAME->box = box;
+        box = box_;
     }
 
-    PFRAME->box.transform(wlTransformToHyprutils(PFRAME->pMonitor->transform), PFRAME->pMonitor->vecTransformedSize.x, PFRAME->pMonitor->vecTransformedSize.y)
-        .scale(PFRAME->pMonitor->scale)
-        .round();
+    box.transform(wlTransformToHyprutils(pMonitor->transform), pMonitor->vecTransformedSize.x, pMonitor->vecTransformedSize.y).scale(pMonitor->scale).round();
 
-    PFRAME->shmStride = FormatUtils::minStride(PSHMINFO, PFRAME->box.w);
+    shmStride = FormatUtils::minStride(PSHMINFO, box.w);
 
-    zwlr_screencopy_frame_v1_send_buffer(PFRAME->resource, FormatUtils::drmToShm(PFRAME->shmFormat), PFRAME->box.width, PFRAME->box.height, PFRAME->shmStride);
+    resource->sendBuffer(FormatUtils::drmToShm(shmFormat), box.width, box.height, shmStride);
 
-    if (wl_resource_get_version(resource) >= 3) {
-        if (PFRAME->dmabufFormat != DRM_FORMAT_INVALID) {
-            zwlr_screencopy_frame_v1_send_linux_dmabuf(PFRAME->resource, PFRAME->dmabufFormat, PFRAME->box.width, PFRAME->box.height);
+    if (resource->version() >= 3) {
+        if (dmabufFormat != DRM_FORMAT_INVALID) {
+            resource->sendLinuxDmabuf(dmabufFormat, box.width, box.height);
         }
 
-        zwlr_screencopy_frame_v1_send_buffer_done(PFRAME->resource);
+        resource->sendBufferDone();
     }
 }
 
-void CScreencopyProtocolManager::copyFrame(wl_client* client, wl_resource* resource, wl_resource* buffer) {
-    const auto PFRAME = frameFromResource(resource);
-
-    if (!PFRAME) {
-        Debug::log(ERR, "No frame in copyFrame??");
+void CScreencopyFrame::copy(CZwlrScreencopyFrameV1* pFrame, wl_resource* buffer_) {
+    if (!good()) {
+        LOGM(ERR, "No frame in copyFrame??");
         return;
     }
 
-    if (!g_pCompositor->monitorExists(PFRAME->pMonitor)) {
-        Debug::log(ERR, "client requested sharing of a monitor that is gone");
-        zwlr_screencopy_frame_v1_send_failed(PFRAME->resource);
-        removeFrame(PFRAME);
+    if (!g_pCompositor->monitorExists(pMonitor)) {
+        LOGM(ERR, "Client requested sharing of a monitor that is gone");
+        resource->sendFailed();
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    const auto PBUFFER = CWLBufferResource::fromResource(buffer);
+    const auto PBUFFER = CWLBufferResource::fromResource(buffer_);
     if (!PBUFFER) {
-        Debug::log(ERR, "[sc] invalid buffer in {:x}", (uintptr_t)PFRAME);
-        wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer");
-        removeFrame(PFRAME);
+        LOGM(ERR, "Invalid buffer in {:x}", (uintptr_t)this);
+        resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer");
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
     PBUFFER->buffer->lock();
 
-    if (PBUFFER->buffer->size != PFRAME->box.size()) {
-        Debug::log(ERR, "[sc] invalid dimensions in {:x}", (uintptr_t)PFRAME);
-        wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer dimensions");
-        removeFrame(PFRAME);
+    if (PBUFFER->buffer->size != box.size()) {
+        LOGM(ERR, "Invalid dimensions in {:x}", (uintptr_t)this);
+        resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer dimensions");
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    if (PFRAME->buffer) {
-        Debug::log(ERR, "[sc] buffer used in {:x}", (uintptr_t)PFRAME);
-        wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_ALREADY_USED, "frame already used");
-        removeFrame(PFRAME);
+    if (buffer) {
+        LOGM(ERR, "Buffer used in {:x}", (uintptr_t)this);
+        resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_ALREADY_USED, "frame already used");
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
     if (auto attrs = PBUFFER->buffer->dmabuf(); attrs.success) {
-        PFRAME->bufferDMA = true;
+        bufferDMA = true;
 
-        if (attrs.format != PFRAME->dmabufFormat) {
-            Debug::log(ERR, "[sc] invalid buffer dma format in {:x}", (uintptr_t)PFRAME);
-            wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer format");
-            removeFrame(PFRAME);
+        if (attrs.format != dmabufFormat) {
+            LOGM(ERR, "Invalid buffer dma format in {:x}", (uintptr_t)pFrame);
+            resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer format");
+            PROTO::screencopy->destroyResource(this);
             return;
         }
     } else if (auto attrs = PBUFFER->buffer->shm(); attrs.success) {
-        if (attrs.format != PFRAME->shmFormat) {
-            Debug::log(ERR, "[sc] invalid buffer shm format in {:x}", (uintptr_t)PFRAME);
-            wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer format");
-            removeFrame(PFRAME);
+        if (attrs.format != shmFormat) {
+            LOGM(ERR, "Invalid buffer shm format in {:x}", (uintptr_t)pFrame);
+            resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer format");
+            PROTO::screencopy->destroyResource(this);
             return;
-        } else if ((int)attrs.stride != PFRAME->shmStride) {
-            Debug::log(ERR, "[sc] invalid buffer shm stride in {:x}", (uintptr_t)PFRAME);
-            wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer stride");
-            removeFrame(PFRAME);
+        } else if ((int)attrs.stride != shmStride) {
+            LOGM(ERR, "Invalid buffer shm stride in {:x}", (uintptr_t)pFrame);
+            resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer stride");
+            PROTO::screencopy->destroyResource(this);
             return;
         }
     } else {
-        Debug::log(ERR, "[sc] invalid buffer type in {:x}", (uintptr_t)PFRAME);
-        wl_resource_post_error(PFRAME->resource, ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer type");
-        removeFrame(PFRAME);
+        LOGM(ERR, "Invalid buffer type in {:x}", (uintptr_t)pFrame);
+        resource->error(ZWLR_SCREENCOPY_FRAME_V1_ERROR_INVALID_BUFFER, "invalid buffer type");
+        PROTO::screencopy->destroyResource(this);
         return;
     }
 
-    PFRAME->buffer = PBUFFER->buffer;
+    buffer = PBUFFER->buffer;
 
-    m_vFramesAwaitingWrite.emplace_back(PFRAME);
+    PROTO::screencopy->m_vFramesAwaitingWrite.emplace_back(self);
 
     g_pHyprRenderer->m_bDirectScanoutBlocked = true;
-    if (PFRAME->overlayCursor && !PFRAME->lockedSWCursors) {
-        PFRAME->lockedSWCursors = true;
+    if (overlayCursor && !lockedSWCursors) {
+        lockedSWCursors = true;
         // TODO: make it per-monitor
-        if (!m_bTimerArmed) {
+        if (!PROTO::screencopy->m_bTimerArmed) {
             for (auto& m : g_pCompositor->m_vMonitors) {
                 g_pPointerManager->lockSoftwareForMonitor(m);
             }
-            m_bTimerArmed = true;
-            Debug::log(LOG, "[screencopy] Locking sw cursors due to screensharing");
-        }
-        m_pSoftwareCursorTimer->updateTimeout(std::chrono::seconds(1));
-    }
-
-    if (!PFRAME->withDamage)
-        g_pHyprRenderer->damageMonitor(PFRAME->pMonitor);
-}
-
-void CScreencopyProtocolManager::onOutputCommit(CMonitor* pMonitor) {
-    m_pLastMonitorBackBuffer = pMonitor->output->state->state().buffer;
-    shareAllFrames(pMonitor);
-    m_pLastMonitorBackBuffer.reset();
-}
-
-void CScreencopyProtocolManager::shareAllFrames(CMonitor* pMonitor) {
-    if (m_vFramesAwaitingWrite.empty())
-        return; // nothing to share
-
-    std::vector<SScreencopyFrame*> framesToRemove;
-
-    // share frame if correct output
-    for (auto& f : m_vFramesAwaitingWrite) {
-        if (!f->pMonitor || !f->buffer) {
-            framesToRemove.push_back(f);
-            continue;
+            PROTO::screencopy->m_bTimerArmed = true;
+            LOGM(LOG, "Locking sw cursors due to screensharing");
         }
-
-        if (f->pMonitor != pMonitor)
-            continue;
-
-        shareFrame(f);
-
-        f->client->lastFrame.reset();
-        ++f->client->frameCounter;
-
-        framesToRemove.push_back(f);
-    }
-
-    for (auto& f : framesToRemove) {
-        removeFrame(f);
+        PROTO::screencopy->m_pSoftwareCursorTimer->updateTimeout(std::chrono::seconds(1));
     }
 
-    if (m_vFramesAwaitingWrite.empty()) {
-        g_pHyprRenderer->m_bDirectScanoutBlocked = false;
-    }
+    if (!withDamage)
+        g_pHyprRenderer->damageMonitor(pMonitor);
 }
 
-void CScreencopyProtocolManager::shareFrame(SScreencopyFrame* frame) {
-    if (!frame->buffer)
+void CScreencopyFrame::share() {
+    if (!buffer || !pMonitor)
         return;
 
     timespec now;
     clock_gettime(CLOCK_MONOTONIC, &now);
 
-    uint32_t flags = 0;
-    if (frame->bufferDMA) {
-        if (!copyFrameDmabuf(frame)) {
-            Debug::log(ERR, "[sc] dmabuf copy failed in {:x}", (uintptr_t)frame);
-            zwlr_screencopy_frame_v1_send_failed(frame->resource);
+    if (bufferDMA) {
+        if (!copyDmabuf()) {
+            LOGM(ERR, "Dmabuf copy failed in {:x}", (uintptr_t)this);
+            resource->sendFailed();
             return;
         }
     } else {
-        if (!copyFrameShm(frame, &now)) {
-            Debug::log(ERR, "[sc] shm copy failed in {:x}", (uintptr_t)frame);
-            zwlr_screencopy_frame_v1_send_failed(frame->resource);
+        if (!copyShm()) {
+            LOGM(ERR, "Shm copy failed in {:x}", (uintptr_t)this);
+            resource->sendFailed();
             return;
         }
     }
 
-    zwlr_screencopy_frame_v1_send_flags(frame->resource, flags);
-    sendFrameDamage(frame);
+    resource->sendFlags((zwlrScreencopyFrameV1Flags)0);
+    if (withDamage) {
+        // TODO: add a damage ring for this.
+        resource->sendDamage(0, 0, buffer->size.x, buffer->size.y);
+    }
+
     uint32_t tvSecHi = (sizeof(now.tv_sec) > 4) ? now.tv_sec >> 32 : 0;
     uint32_t tvSecLo = now.tv_sec & 0xFFFFFFFF;
-    zwlr_screencopy_frame_v1_send_ready(frame->resource, tvSecHi, tvSecLo, now.tv_nsec);
+    resource->sendReady(tvSecHi, tvSecLo, now.tv_nsec);
 }
 
-void CScreencopyProtocolManager::sendFrameDamage(SScreencopyFrame* frame) {
-    if (!frame->withDamage)
-        return;
+bool CScreencopyFrame::copyDmabuf() {
+    auto    TEXTURE = makeShared<CTexture>(pMonitor->output->state->state().buffer);
 
-    // TODO:
-    // add a damage ring for this.
+    CRegion fakeDamage = {0, 0, INT16_MAX, INT16_MAX};
+
+    if (!g_pHyprRenderer->beginRender(pMonitor, fakeDamage, RENDER_MODE_TO_BUFFER, buffer.lock(), nullptr, true)) {
+        LOGM(ERR, "Can't copy: failed to begin rendering to dma frame");
+        return false;
+    }
 
-    // for (auto& RECT : frame->pMonitor->lastFrameDamage.getRects()) {
+    CBox monbox = CBox{0, 0, pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y}
+                      .translate({-box.x, -box.y}) // vvvv kinda ass-backwards but that's how I designed the renderer... sigh.
+                      .transform(wlTransformToHyprutils(invertTransform(pMonitor->transform)), pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y);
+    g_pHyprOpenGL->setMonitorTransformEnabled(true);
+    g_pHyprOpenGL->setRenderModifEnabled(false);
+    g_pHyprOpenGL->renderTexture(TEXTURE, &monbox, 1);
+    g_pHyprOpenGL->setRenderModifEnabled(true);
+    g_pHyprOpenGL->setMonitorTransformEnabled(false);
 
-    //     if (frame->buffer->width < 1 || frame->buffer->height < 1 || frame->buffer->width - RECT.x1 < 1 || frame->buffer->height - RECT.y1 < 1) {
-    //         Debug::log(ERR, "[sc] Failed to send damage");
-    //         break;
-    //     }
+    g_pHyprOpenGL->m_RenderData.blockScreenShader = true;
+    g_pHyprRenderer->endRender();
 
-    //     zwlr_screencopy_frame_v1_send_damage(frame->resource, std::clamp(RECT.x1, 0, frame->buffer->width), std::clamp(RECT.y1, 0, frame->buffer->height),
-    //                                          std::clamp(RECT.x2 - RECT.x1, 0, frame->buffer->width - RECT.x1), std::clamp(RECT.y2 - RECT.y1, 0, frame->buffer->height - RECT.y1));
-    // }
+    LOGM(TRACE, "Copied frame via dma");
 
-    zwlr_screencopy_frame_v1_send_damage(frame->resource, 0, 0, frame->buffer->size.x, frame->buffer->size.y);
+    return true;
 }
 
-bool CScreencopyProtocolManager::copyFrameShm(SScreencopyFrame* frame, timespec* now) {
-    auto TEXTURE = makeShared<CTexture>(m_pLastMonitorBackBuffer);
+bool CScreencopyFrame::copyShm() {
+    auto TEXTURE = makeShared<CTexture>(pMonitor->output->state->state().buffer);
 
-    auto shm                      = frame->buffer->shm();
-    auto [pixelData, fmt, bufLen] = frame->buffer->beginDataPtr(0); // no need for end, cuz it's shm
+    auto shm                      = buffer->shm();
+    auto [pixelData, fmt, bufLen] = buffer->beginDataPtr(0); // no need for end, cuz it's shm
 
     CRegion fakeDamage = {0, 0, INT16_MAX, INT16_MAX};
 
     g_pHyprRenderer->makeEGLCurrent();
 
     CFramebuffer fb;
-    fb.alloc(frame->box.w, frame->box.h, g_pHyprRenderer->isNvidia() ? DRM_FORMAT_XBGR8888 : frame->pMonitor->output->state->state().drmFormat);
+    fb.alloc(box.w, box.h, g_pHyprRenderer->isNvidia() ? DRM_FORMAT_XBGR8888 : pMonitor->output->state->state().drmFormat);
 
-    if (!g_pHyprRenderer->beginRender(frame->pMonitor, fakeDamage, RENDER_MODE_FULL_FAKE, nullptr, &fb, true)) {
-        Debug::log(ERR, "Screencopy: can't copy: failed to begin rendering");
+    if (!g_pHyprRenderer->beginRender(pMonitor, fakeDamage, RENDER_MODE_FULL_FAKE, nullptr, &fb, true)) {
+        LOGM(ERR, "Can't copy: failed to begin rendering");
         return false;
     }
 
-    CBox monbox = CBox{0, 0, frame->pMonitor->vecTransformedSize.x, frame->pMonitor->vecTransformedSize.y}.translate({-frame->box.x, -frame->box.y});
+    CBox monbox = CBox{0, 0, pMonitor->vecTransformedSize.x, pMonitor->vecTransformedSize.y}.translate({-box.x, -box.y});
     g_pHyprOpenGL->setMonitorTransformEnabled(true);
     g_pHyprOpenGL->setRenderModifEnabled(false);
     g_pHyprOpenGL->renderTexture(TEXTURE, &monbox, 1);
@@ -509,7 +269,7 @@ bool CScreencopyProtocolManager::copyFrameShm(SScreencopyFrame* frame, timespec*
 
     const auto PFORMAT = FormatUtils::getPixelFormatFromDRM(shm.format);
     if (!PFORMAT) {
-        Debug::log(ERR, "Screencopy: can't copy: failed to find a pixel format");
+        LOGM(ERR, "Can't copy: failed to find a pixel format");
         g_pHyprRenderer->endRender();
         return false;
     }
@@ -520,53 +280,164 @@ bool CScreencopyProtocolManager::copyFrameShm(SScreencopyFrame* frame, timespec*
     g_pHyprRenderer->endRender();
 
     g_pHyprRenderer->makeEGLCurrent();
-    g_pHyprOpenGL->m_RenderData.pMonitor = frame->pMonitor;
+    g_pHyprOpenGL->m_RenderData.pMonitor = pMonitor;
     fb.bind();
 
     glPixelStorei(GL_PACK_ALIGNMENT, 1);
 
     const auto drmFmt     = FormatUtils::getPixelFormatFromDRM(shm.format);
-    uint32_t   packStride = FormatUtils::minStride(drmFmt, frame->box.w);
+    uint32_t   packStride = FormatUtils::minStride(drmFmt, box.w);
 
     if (packStride == (uint32_t)shm.stride) {
-        glReadPixels(0, 0, frame->box.w, frame->box.h, glFormat, PFORMAT->glType, pixelData);
+        glReadPixels(0, 0, box.w, box.h, glFormat, PFORMAT->glType, pixelData);
     } else {
-        for (size_t i = 0; i < frame->box.h; ++i) {
+        for (size_t i = 0; i < box.h; ++i) {
             uint32_t y = i;
-            glReadPixels(0, y, frame->box.w, 1, glFormat, PFORMAT->glType, ((unsigned char*)pixelData) + i * shm.stride);
+            glReadPixels(0, y, box.w, 1, glFormat, PFORMAT->glType, ((unsigned char*)pixelData) + i * shm.stride);
         }
     }
 
     g_pHyprOpenGL->m_RenderData.pMonitor = nullptr;
 
-    Debug::log(TRACE, "Screencopy: copied frame via shm");
+    LOGM(TRACE, "Copied frame via shm");
 
     return true;
 }
 
-bool CScreencopyProtocolManager::copyFrameDmabuf(SScreencopyFrame* frame) {
-    auto    TEXTURE = makeShared<CTexture>(m_pLastMonitorBackBuffer);
+bool CScreencopyFrame::good() {
+    return resource->resource();
+}
 
-    CRegion fakeDamage = {0, 0, INT16_MAX, INT16_MAX};
+CScreencopyClient::~CScreencopyClient() {
+    g_pHookSystem->unhook(tickCallback);
+}
 
-    if (!g_pHyprRenderer->beginRender(frame->pMonitor, fakeDamage, RENDER_MODE_TO_BUFFER, frame->buffer.lock(), nullptr, true)) {
-        Debug::log(ERR, "Screencopy: can't copy: failed to begin rendering to dma frame");
-        return false;
+CScreencopyClient::CScreencopyClient(SP<CZwlrScreencopyManagerV1> resource_) : resource(resource_) {
+    if (!good())
+        return;
+
+    resource->setDestroy([this](CZwlrScreencopyManagerV1* pMgr) { PROTO::screencopy->destroyResource(this); });
+    resource->setOnDestroy([this](CZwlrScreencopyManagerV1* pMgr) { PROTO::screencopy->destroyResource(this); });
+    resource->setCaptureOutput(
+        [this](CZwlrScreencopyManagerV1* pMgr, uint32_t frame, int32_t overlayCursor, wl_resource* output) { this->captureOutput(frame, overlayCursor, output, {}); });
+    resource->setCaptureOutputRegion([this](CZwlrScreencopyManagerV1* pMgr, uint32_t frame, int32_t overlayCursor, wl_resource* output, int32_t x, int32_t y, int32_t w,
+                                            int32_t h) { this->captureOutput(frame, overlayCursor, output, {x, y, w, h}); });
+
+    lastMeasure.reset();
+    lastFrame.reset();
+    tickCallback = g_pHookSystem->hookDynamic("tick", [&](void* self, SCallbackInfo& info, std::any data) { onTick(); });
+}
+
+void CScreencopyClient::captureOutput(uint32_t frame, int32_t overlayCursor_, wl_resource* output, CBox box) {
+    const auto FRAME = PROTO::screencopy->m_vFrames.emplace_back(
+        makeShared<CScreencopyFrame>(makeShared<CZwlrScreencopyFrameV1>(resource->client(), resource->version(), frame), overlayCursor_, output, box));
+
+    if (!FRAME->good()) {
+        LOGM(ERR, "Couldn't alloc frame for sharing! (no memory)");
+        resource->noMemory();
+        PROTO::screencopy->destroyResource(FRAME.get());
+        return;
     }
 
-    CBox monbox = CBox{0, 0, frame->pMonitor->vecPixelSize.x, frame->pMonitor->vecPixelSize.y}
-                      .translate({-frame->box.x, -frame->box.y}) // vvvv kinda ass-backwards but that's how I designed the renderer... sigh.
-                      .transform(wlTransformToHyprutils(invertTransform(frame->pMonitor->transform)), frame->pMonitor->vecPixelSize.x, frame->pMonitor->vecPixelSize.y);
-    g_pHyprOpenGL->setMonitorTransformEnabled(true);
-    g_pHyprOpenGL->setRenderModifEnabled(false);
-    g_pHyprOpenGL->renderTexture(TEXTURE, &monbox, 1);
-    g_pHyprOpenGL->setRenderModifEnabled(true);
-    g_pHyprOpenGL->setMonitorTransformEnabled(false);
+    FRAME->self   = FRAME;
+    FRAME->client = self;
+}
 
-    g_pHyprOpenGL->m_RenderData.blockScreenShader = true;
-    g_pHyprRenderer->endRender();
+void CScreencopyClient::onTick() {
+    if (lastMeasure.getMillis() < 500)
+        return;
 
-    Debug::log(TRACE, "Screencopy: copied frame via dma");
+    framesInLastHalfSecond = frameCounter;
+    frameCounter           = 0;
+    lastMeasure.reset();
 
-    return true;
+    const auto LASTFRAMEDELTA = lastFrame.getMillis() / 1000.0;
+    const bool FRAMEAWAITING  = std::ranges::any_of(PROTO::screencopy->m_vFrames, [&](const auto& frame) { return frame->client.get() == this; });
+
+    if (framesInLastHalfSecond > 3 && !sentScreencast) {
+        EMIT_HOOK_EVENT("screencast", (std::vector<uint64_t>{1, (uint64_t)framesInLastHalfSecond, (uint64_t)clientOwner}));
+        g_pEventManager->postEvent(SHyprIPCEvent{"screencast", "1," + std::to_string(clientOwner)});
+        sentScreencast = true;
+    } else if (framesInLastHalfSecond < 4 && sentScreencast && LASTFRAMEDELTA > 1.0 && !FRAMEAWAITING) {
+        EMIT_HOOK_EVENT("screencast", (std::vector<uint64_t>{0, (uint64_t)framesInLastHalfSecond, (uint64_t)clientOwner}));
+        g_pEventManager->postEvent(SHyprIPCEvent{"screencast", "0," + std::to_string(clientOwner)});
+        sentScreencast = false;
+    }
+}
+
+bool CScreencopyClient::good() {
+    return resource->resource();
+}
+
+CScreencopyProtocol::CScreencopyProtocol(const wl_interface* iface, const int& ver, const std::string& name) : IWaylandProtocol(iface, ver, name) {
+    m_pSoftwareCursorTimer = makeShared<CEventLoopTimer>(
+        std::nullopt,
+        [this](SP<CEventLoopTimer> self, void* data) {
+            // TODO: make it per-monitor
+            for (auto& m : g_pCompositor->m_vMonitors) {
+                g_pPointerManager->unlockSoftwareForMonitor(m);
+            }
+            m_bTimerArmed = false;
+
+            LOGM(LOG, "Releasing software cursor lock");
+        },
+        nullptr);
+    g_pEventLoopManager->addTimer(m_pSoftwareCursorTimer);
+}
+
+void CScreencopyProtocol::bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id) {
+    const auto CLIENT = m_vClients.emplace_back(makeShared<CScreencopyClient>(makeShared<CZwlrScreencopyManagerV1>(client, ver, id)));
+
+    if (!CLIENT->good()) {
+        LOGM(LOG, "Failed to bind client! (out of memory)");
+        CLIENT->resource->noMemory();
+        m_vClients.pop_back();
+        return;
+    }
+
+    CLIENT->self = CLIENT;
+
+    LOGM(LOG, "Bound client successfully!");
+}
+
+void CScreencopyProtocol::destroyResource(CScreencopyClient* client) {
+    std::erase_if(m_vClients, [&](const auto& other) { return other.get() == client; });
+    std::erase_if(m_vFrames, [&](const auto& other) { return other->client.get() == client; });
+    std::erase_if(m_vFramesAwaitingWrite, [&](const auto& other) { return other->client.get() == client; });
+}
+
+void CScreencopyProtocol::destroyResource(CScreencopyFrame* frame) {
+    std::erase_if(m_vFrames, [&](const auto& other) { return other.get() == frame; });
+    std::erase_if(m_vFramesAwaitingWrite, [&](const auto& other) { return other.get() == frame; });
+}
+
+void CScreencopyProtocol::onOutputCommit(CMonitor* pMonitor) {
+    if (m_vFramesAwaitingWrite.empty()) {
+        g_pHyprRenderer->m_bDirectScanoutBlocked = false;
+        return; // nothing to share
+    }
+
+    std::vector<WP<CScreencopyFrame>> framesToRemove;
+
+    // share frame if correct output
+    for (auto& f : m_vFramesAwaitingWrite) {
+        if (!f->pMonitor || !f->buffer) {
+            framesToRemove.push_back(f);
+            continue;
+        }
+
+        if (f->pMonitor != pMonitor)
+            continue;
+
+        f->share();
+
+        f->client->lastFrame.reset();
+        ++f->client->frameCounter;
+
+        framesToRemove.push_back(f);
+    }
+
+    for (auto& f : framesToRemove) {
+        destroyResource(f.get());
+    }
 }