diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index f6e418de..97355d2c 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -1206,7 +1206,7 @@ PHLWINDOW CCompositor::getWindowFromHandle(uint32_t handle) {
 
 PHLWINDOW CCompositor::getFullscreenWindowOnWorkspace(const int& ID) {
     for (auto& w : m_vWindows) {
-        if (w->workspaceID() == ID && w->m_bIsFullscreen)
+        if (w->workspaceID() == ID && w->isFullscreen())
             return w;
     }
 
@@ -1494,7 +1494,7 @@ PHLWINDOW CCompositor::getWindowInDirection(PHLWINDOW pWindow, char dir) {
     if (!PMONITOR)
         return nullptr; // ??
 
-    const auto WINDOWIDEALBB = pWindow->m_bIsFullscreen ? CBox{PMONITOR->vecPosition, PMONITOR->vecSize} : pWindow->getWindowIdealBoundingBoxIgnoreReserved();
+    const auto WINDOWIDEALBB = pWindow->isFullscreen() ? CBox{PMONITOR->vecPosition, PMONITOR->vecSize} : pWindow->getWindowIdealBoundingBoxIgnoreReserved();
 
     const auto POSA  = Vector2D(WINDOWIDEALBB.x, WINDOWIDEALBB.y);
     const auto SIZEA = Vector2D(WINDOWIDEALBB.width, WINDOWIDEALBB.height);
@@ -1507,13 +1507,13 @@ PHLWINDOW CCompositor::getWindowInDirection(PHLWINDOW pWindow, char dir) {
 
         // for tiled windows, we calc edges
         for (auto& w : m_vWindows) {
-            if (w == pWindow || !w->m_bIsMapped || w->isHidden() || (!w->m_bIsFullscreen && w->m_bIsFloating) || !isWorkspaceVisible(w->m_pWorkspace))
+            if (w == pWindow || !w->m_bIsMapped || w->isHidden() || (!w->isFullscreen() && w->m_bIsFloating) || !isWorkspaceVisible(w->m_pWorkspace))
                 continue;
 
             if (pWindow->m_iMonitorID == w->m_iMonitorID && pWindow->m_pWorkspace != w->m_pWorkspace)
                 continue;
 
-            if (PWORKSPACE->m_bHasFullscreenWindow && !w->m_bIsFullscreen && !w->m_bCreatedOverFullscreen)
+            if (PWORKSPACE->m_bHasFullscreenWindow && !w->isFullscreen() && !w->m_bCreatedOverFullscreen)
                 continue;
 
             if (!*PMONITORFALLBACK && pWindow->m_iMonitorID != w->m_iMonitorID)
@@ -1599,13 +1599,13 @@ PHLWINDOW CCompositor::getWindowInDirection(PHLWINDOW pWindow, char dir) {
         constexpr float THRESHOLD    = 0.3 * M_PI;
 
         for (auto& w : m_vWindows) {
-            if (w == pWindow || !w->m_bIsMapped || w->isHidden() || (!w->m_bIsFullscreen && !w->m_bIsFloating) || !isWorkspaceVisible(w->m_pWorkspace))
+            if (w == pWindow || !w->m_bIsMapped || w->isHidden() || (!w->isFullscreen() && !w->m_bIsFloating) || !isWorkspaceVisible(w->m_pWorkspace))
                 continue;
 
             if (pWindow->m_iMonitorID == w->m_iMonitorID && pWindow->m_pWorkspace != w->m_pWorkspace)
                 continue;
 
-            if (PWORKSPACE->m_bHasFullscreenWindow && !w->m_bIsFullscreen && !w->m_bCreatedOverFullscreen)
+            if (PWORKSPACE->m_bHasFullscreenWindow && !w->isFullscreen() && !w->m_bCreatedOverFullscreen)
                 continue;
 
             if (!*PMONITORFALLBACK && pWindow->m_iMonitorID != w->m_iMonitorID)
@@ -1887,7 +1887,7 @@ void CCompositor::updateWindowAnimatedDecorationValues(PHLWINDOW pWindow) {
 
     // opacity
     const auto PWORKSPACE = pWindow->m_pWorkspace;
-    if (pWindow->m_bIsFullscreen && PWORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL) {
+    if (pWindow->isEffectiveInternalFSMode(FSMODE_FULLSCREEN)) {
         pWindow->m_fActiveInactiveAlpha = pWindow->m_sWindowData.alphaFullscreen.valueOrDefault().applyAlpha(*PFULLSCREENALPHA);
     } else {
         if (pWindow == m_pLastWindow)
@@ -1957,7 +1957,7 @@ void CCompositor::swapActiveWorkspaces(CMonitor* pMonitorA, CMonitor* pMonitorB)
             if (w->m_bIsFloating)
                 w->m_vRealPosition = w->m_vRealPosition.goal() - pMonitorA->vecPosition + pMonitorB->vecPosition;
 
-            if (w->m_bIsFullscreen) {
+            if (w->isFullscreen()) {
                 w->m_vRealPosition = pMonitorB->vecPosition;
                 w->m_vRealSize     = pMonitorB->vecSize;
             }
@@ -1982,7 +1982,7 @@ void CCompositor::swapActiveWorkspaces(CMonitor* pMonitorA, CMonitor* pMonitorB)
             if (w->m_bIsFloating)
                 w->m_vRealPosition = w->m_vRealPosition.goal() - pMonitorB->vecPosition + pMonitorA->vecPosition;
 
-            if (w->m_bIsFullscreen) {
+            if (w->isFullscreen()) {
                 w->m_vRealPosition = pMonitorA->vecPosition;
                 w->m_vRealSize     = pMonitorA->vecSize;
             }
@@ -2159,7 +2159,7 @@ void CCompositor::moveWorkspaceToMonitor(PHLWORKSPACE pWorkspace, CMonitor* pMon
                     if (w->m_bIsFloating)
                         w->m_vRealPosition = w->m_vRealPosition.goal() - POLDMON->vecPosition + pMonitor->vecPosition;
 
-                    if (w->m_bIsFullscreen) {
+                    if (w->isFullscreen()) {
                         w->m_vRealPosition = pMonitor->vecPosition;
                         w->m_vRealSize     = pMonitor->vecSize;
                     }
@@ -2234,12 +2234,12 @@ void CCompositor::updateFullscreenFadeOnWorkspace(PHLWORKSPACE pWorkspace) {
     for (auto& w : g_pCompositor->m_vWindows) {
         if (w->m_pWorkspace == pWorkspace) {
 
-            if (w->m_bFadingOut || w->m_bPinned || w->m_bIsFullscreen)
+            if (w->m_bFadingOut || w->m_bPinned || w->isFullscreen())
                 continue;
 
             if (!FULLSCREEN)
                 w->m_fAlpha = 1.f;
-            else if (!w->m_bIsFullscreen)
+            else if (!w->isFullscreen())
                 w->m_fAlpha = !w->m_bCreatedOverFullscreen ? 0.f : 1.f;
         }
     }
@@ -2249,54 +2249,86 @@ void CCompositor::updateFullscreenFadeOnWorkspace(PHLWORKSPACE pWorkspace) {
     if (pWorkspace->m_iID == PMONITOR->activeWorkspaceID() || pWorkspace->m_iID == PMONITOR->activeSpecialWorkspaceID()) {
         for (auto& ls : PMONITOR->m_aLayerSurfaceLayers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]) {
             if (!ls->fadingOut)
-                ls->alpha = FULLSCREEN && pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL ? 0.f : 1.f;
+                ls->alpha = FULLSCREEN && pWorkspace->m_efFullscreenMode == FSMODE_FULLSCREEN ? 0.f : 1.f;
         }
     }
 }
 
-void CCompositor::setWindowFullscreen(PHLWINDOW pWindow, bool on, eFullscreenMode mode) {
+void CCompositor::changeWindowFullscreenModeInternal(const PHLWINDOW PWINDOW, const eFullscreenMode MODE, const bool ON) {
+    setWindowFullscreenInternal(
+        PWINDOW, (eFullscreenMode)(ON ? (uint8_t)PWINDOW->m_sFullscreenState.internal | (uint8_t)MODE : ((uint8_t)PWINDOW->m_sFullscreenState.internal & (uint8_t)~MODE)));
+}
+
+void CCompositor::changeWindowFullscreenModeClient(const PHLWINDOW PWINDOW, const eFullscreenMode MODE, const bool ON) {
+    setWindowFullscreenClient(PWINDOW,
+                              (eFullscreenMode)(ON ? (uint8_t)PWINDOW->m_sFullscreenState.client | (uint8_t)MODE : ((uint8_t)PWINDOW->m_sFullscreenState.client & (uint8_t)~MODE)));
+}
+
+void CCompositor::setWindowFullscreenInternal(const PHLWINDOW PWINDOW, const eFullscreenMode MODE) {
+    if (PWINDOW->m_sWindowData.syncFullscreen.valueOrDefault())
+        setWindowFullscreenState(PWINDOW, sFullscreenState{.internal = MODE, .client = MODE});
+    else
+        setWindowFullscreenState(PWINDOW, sFullscreenState{.internal = MODE, .client = PWINDOW->m_sFullscreenState.client});
+}
+
+void CCompositor::setWindowFullscreenClient(const PHLWINDOW PWINDOW, const eFullscreenMode MODE) {
+    if (PWINDOW->m_sWindowData.syncFullscreen.valueOrDefault())
+        setWindowFullscreenState(PWINDOW, sFullscreenState{.internal = MODE, .client = MODE});
+    else
+        setWindowFullscreenState(PWINDOW, sFullscreenState{.internal = PWINDOW->m_sFullscreenState.internal, .client = MODE});
+}
+
+void CCompositor::setWindowFullscreenState(const PHLWINDOW PWINDOW, sFullscreenState state) {
     static auto PNODIRECTSCANOUT = CConfigValue<Hyprlang::INT>("misc:no_direct_scanout");
 
-    if (!validMapped(pWindow) || g_pCompositor->m_bUnsafeState)
+    if (!validMapped(PWINDOW) || g_pCompositor->m_bUnsafeState)
         return;
 
-    if (pWindow->m_bPinned) {
-        Debug::log(LOG, "Pinned windows cannot be fullscreen'd");
+    state.internal = std::clamp(state.internal, (eFullscreenMode)0, FSMODE_MAX);
+    state.client   = std::clamp(state.client, (eFullscreenMode)0, FSMODE_MAX);
+
+    const auto            PMONITOR   = getMonitorFromID(PWINDOW->m_iMonitorID);
+    const auto            PWORKSPACE = PWINDOW->m_pWorkspace;
+
+    const eFullscreenMode CURRENT_EFFECTIVE_MODE = (eFullscreenMode)std::bit_floor((uint8_t)PWINDOW->m_sFullscreenState.internal);
+    const eFullscreenMode EFFECTIVE_MODE         = (eFullscreenMode)std::bit_floor((uint8_t)state.internal);
+
+    const bool            CHANGEINTERNAL = !(PWINDOW->m_bPinned || CURRENT_EFFECTIVE_MODE == EFFECTIVE_MODE || (PWORKSPACE->m_bHasFullscreenWindow && !PWINDOW->isFullscreen()));
+
+    // TODO: update the state on syncFullscreen changes
+    if (!CHANGEINTERNAL && PWINDOW->m_sWindowData.syncFullscreen.valueOrDefault())
         return;
-    }
 
-    if (pWindow->m_bIsFullscreen == on) {
-        Debug::log(LOG, "Window is already in the required fullscreen state");
+    PWINDOW->m_sFullscreenState.client = state.client;
+    g_pXWaylandManager->setWindowFullscreen(PWINDOW, state.client & FSMODE_FULLSCREEN);
+
+    if (!CHANGEINTERNAL)
         return;
-    }
 
-    const auto PMONITOR = getMonitorFromID(pWindow->m_iMonitorID);
+    g_pLayoutManager->getCurrentLayout()->fullscreenRequestForWindow(PWINDOW, CURRENT_EFFECTIVE_MODE, EFFECTIVE_MODE);
 
-    const auto PWORKSPACE = pWindow->m_pWorkspace;
+    PWINDOW->m_sFullscreenState.internal = state.internal;
+    PWORKSPACE->m_efFullscreenMode       = EFFECTIVE_MODE;
+    PWORKSPACE->m_bHasFullscreenWindow   = EFFECTIVE_MODE != FSMODE_NONE;
 
-    const auto MODE = mode == FULLSCREEN_INVALID ? PWORKSPACE->m_efFullscreenMode : mode;
+    g_pEventManager->postEvent(SHyprIPCEvent{"fullscreen", std::to_string((int)EFFECTIVE_MODE != FSMODE_NONE)});
+    EMIT_HOOK_EVENT("fullscreen", PWINDOW);
 
-    if (PWORKSPACE->m_bHasFullscreenWindow && on) {
-        Debug::log(LOG, "Rejecting fullscreen ON on a fullscreen workspace");
-        return;
-    }
-
-    g_pLayoutManager->getCurrentLayout()->fullscreenRequestForWindow(pWindow, MODE, on);
-
-    g_pXWaylandManager->setWindowFullscreen(pWindow, pWindow->shouldSendFullscreenState());
-
-    updateWindowAnimatedDecorationValues(pWindow);
+    g_pLayoutManager->getCurrentLayout()->recalculateMonitor(PWINDOW->m_iMonitorID);
+    PWINDOW->updateWindowDecos();
+    updateWindowAnimatedDecorationValues(PWINDOW);
 
     // make all windows on the same workspace under the fullscreen window
     for (auto& w : m_vWindows) {
-        if (w->m_pWorkspace == PWORKSPACE && !w->m_bIsFullscreen && !w->m_bFadingOut && !w->m_bPinned)
+        if (w->m_pWorkspace == PWORKSPACE && !w->isFullscreen() && !w->m_bFadingOut && !w->m_bPinned)
             w->m_bCreatedOverFullscreen = false;
     }
+
     updateFullscreenFadeOnWorkspace(PWORKSPACE);
 
-    g_pXWaylandManager->setWindowSize(pWindow, pWindow->m_vRealSize.goal(), true);
+    g_pXWaylandManager->setWindowSize(PWINDOW, PWINDOW->m_vRealSize.goal(), true);
 
-    forceReportSizesToWindowsOnWorkspace(pWindow->workspaceID());
+    forceReportSizesToWindowsOnWorkspace(PWINDOW->workspaceID());
 
     g_pInputManager->recheckIdleInhibitorStatus();
 
@@ -2307,7 +2339,7 @@ void CCompositor::setWindowFullscreen(PHLWINDOW pWindow, bool on, eFullscreenMod
     // send a scanout tranche if we are entering fullscreen, and send a regular one if we aren't.
     // ignore if DS is disabled.
     if (!*PNODIRECTSCANOUT)
-        g_pHyprRenderer->setSurfaceScanoutMode(pWindow->m_pWLSurface->resource(), on ? PMONITOR->self.lock() : nullptr);
+        g_pHyprRenderer->setSurfaceScanoutMode(PWINDOW->m_pWLSurface->resource(), EFFECTIVE_MODE != FSMODE_NONE ? PMONITOR->self.lock() : nullptr);
 
     g_pConfigManager->ensureVRR(PMONITOR);
 }
@@ -2639,11 +2671,11 @@ void CCompositor::moveWindowToWorkspaceSafe(PHLWINDOW pWindow, PHLWORKSPACE pWor
     if (pWindow->m_bPinned && pWorkspace->m_bIsSpecialWorkspace)
         return;
 
-    const bool FULLSCREEN     = pWindow->m_bIsFullscreen;
-    const auto FULLSCREENMODE = pWindow->m_pWorkspace->m_efFullscreenMode;
+    const bool FULLSCREEN     = pWindow->isFullscreen();
+    const auto FULLSCREENMODE = pWindow->m_sFullscreenState.internal;
 
     if (FULLSCREEN)
-        setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
+        setWindowFullscreenInternal(pWindow, FSMODE_NONE);
 
     if (!pWindow->m_bIsFloating) {
         g_pLayoutManager->getCurrentLayout()->onWindowRemovedTiling(pWindow);
@@ -2676,7 +2708,7 @@ void CCompositor::moveWindowToWorkspaceSafe(PHLWINDOW pWindow, PHLWORKSPACE pWor
     }
 
     if (FULLSCREEN)
-        setWindowFullscreen(pWindow, true, FULLSCREENMODE);
+        setWindowFullscreenInternal(pWindow, FULLSCREENMODE);
 
     g_pCompositor->updateWorkspaceWindows(pWorkspace->m_iID);
     g_pCompositor->updateWorkspaceWindows(pWindow->workspaceID());
diff --git a/src/Compositor.hpp b/src/Compositor.hpp
index da390b44..295935c4 100644
--- a/src/Compositor.hpp
+++ b/src/Compositor.hpp
@@ -146,7 +146,11 @@ class CCompositor {
     void                   swapActiveWorkspaces(CMonitor*, CMonitor*);
     CMonitor*              getMonitorFromString(const std::string&);
     bool                   workspaceIDOutOfBounds(const int64_t&);
-    void                   setWindowFullscreen(PHLWINDOW, bool, eFullscreenMode mode = FULLSCREEN_INVALID);
+    void                   setWindowFullscreenInternal(const PHLWINDOW PWINDOW, const eFullscreenMode MODE);
+    void                   setWindowFullscreenClient(const PHLWINDOW PWINDOW, const eFullscreenMode MODE);
+    void                   setWindowFullscreenState(const PHLWINDOW PWINDOW, const sFullscreenState state);
+    void                   changeWindowFullscreenModeInternal(const PHLWINDOW PWINDOW, const eFullscreenMode MODE, const bool ON);
+    void                   changeWindowFullscreenModeClient(const PHLWINDOW PWINDOW, const eFullscreenMode MODE, const bool ON);
     void                   updateFullscreenFadeOnWorkspace(PHLWORKSPACE);
     PHLWINDOW              getX11Parent(PHLWINDOW);
     void                   scheduleFrameForMonitor(CMonitor*, Aquamarine::IOutput::scheduleFrameReason reason = Aquamarine::IOutput::AQ_SCHEDULE_CLIENT_UNKNOWN);
diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 65eab579..fe3af8c0 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -1100,7 +1100,7 @@ std::vector<SWindowRule> CConfigManager::getMatchingRules(PHLWINDOW pWindow, boo
 
     // since some rules will be applied later, we need to store some flags
     bool hasFloating   = pWindow->m_bIsFloating;
-    bool hasFullscreen = pWindow->m_bIsFullscreen;
+    bool hasFullscreen = pWindow->isFullscreen();
 
     // local tags for dynamic tag rule match
     auto tags = pWindow->m_tags;
@@ -1448,7 +1448,7 @@ void CConfigManager::ensureVRR(CMonitor* pMonitor) {
             if (!PWORKSPACE)
                 return; // ???
 
-            const auto WORKSPACEFULL = PWORKSPACE->m_bHasFullscreenWindow && PWORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL;
+            const auto WORKSPACEFULL = PWORKSPACE->m_bHasFullscreenWindow && (PWORKSPACE->m_efFullscreenMode & FSMODE_FULLSCREEN);
 
             if (WORKSPACEFULL) {
                 m->output->state->setAdaptiveSync(true);
@@ -2099,11 +2099,11 @@ std::optional<std::string> CConfigManager::handleUnbind(const std::string& comma
 
 bool windowRuleValid(const std::string& RULE) {
     static const auto rules = std::unordered_set<std::string>{
-        "fakefullscreen", "float", "fullscreen", "maximize", "noinitialfocus", "pin", "stayfocused", "tile",
+        "float", "fullscreen", "maximize", "noinitialfocus", "pin", "stayfocused", "tile",
     };
     static const auto rulesPrefix = std::vector<std::string>{
-        "animation", "bordercolor", "bordersize", "center",   "group", "idleinhibit",   "maxsize", "minsize",   "monitor", "move",
-        "opacity",   "plugin:",     "pseudo",     "rounding", "size",  "suppressevent", "tag",     "workspace", "xray",
+        "animation", "bordercolor", "bordersize", "center", "fullscreenstate", "group", "idleinhibit",   "maxsize", "minsize",   "monitor",
+        "move",      "opacity",     "plugin:",    "pseudo", "rounding",        "size",  "suppressevent", "tag",     "workspace", "xray",
     };
 
     const auto VALS = CVarList(RULE, 2, ' ');
diff --git a/src/config/ConfigManager.hpp b/src/config/ConfigManager.hpp
index 454a12c0..75dea9ef 100644
--- a/src/config/ConfigManager.hpp
+++ b/src/config/ConfigManager.hpp
@@ -182,6 +182,7 @@ class CConfigManager {
         {"noshortcutsinhibit", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.noShortcutsInhibit; }},
         {"opaque", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.opaque; }},
         {"forcergbx", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.RGBX; }},
+        {"syncfullscreen", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.syncFullscreen; }},
         {"immediate", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.tearing; }},
         {"xray", [](PHLWINDOW pWindow) { return &pWindow->m_sWindowData.xray; }},
     };
diff --git a/src/debug/HyprCtl.cpp b/src/debug/HyprCtl.cpp
index d89d1772..cf873e6c 100644
--- a/src/debug/HyprCtl.cpp
+++ b/src/debug/HyprCtl.cpp
@@ -240,8 +240,7 @@ std::string CHyprCtl::getWindowData(PHLWINDOW w, eHyprCtlOutputFormat format) {
     "xwayland": {},
     "pinned": {},
     "fullscreen": {},
-    "fullscreenMode": {},
-    "fakeFullscreen": {},
+    "fullscreenClient": {},
     "grouped": [{}],
     "tags": [{}],
     "swallowing": "0x{:x}",
@@ -252,19 +251,19 @@ std::string CHyprCtl::getWindowData(PHLWINDOW w, eHyprCtlOutputFormat format) {
             escapeJSONStrings(!w->m_pWorkspace ? "" : w->m_pWorkspace->m_szName), ((int)w->m_bIsFloating == 1 ? "true" : "false"), (w->m_bIsPseudotiled ? "true" : "false"),
             (int64_t)w->m_iMonitorID, escapeJSONStrings(w->m_szClass), escapeJSONStrings(w->m_szTitle), escapeJSONStrings(w->m_szInitialClass),
             escapeJSONStrings(w->m_szInitialTitle), w->getPID(), ((int)w->m_bIsX11 == 1 ? "true" : "false"), (w->m_bPinned ? "true" : "false"),
-            (w->m_bIsFullscreen ? "true" : "false"), (w->m_bIsFullscreen ? (w->m_pWorkspace ? (int)w->m_pWorkspace->m_efFullscreenMode : 0) : 0),
-            w->m_bFakeFullscreenState ? "true" : "false", getGroupedData(w, format), getTagsData(w, format), (uintptr_t)w->m_pSwallowed.lock().get(), getFocusHistoryID(w));
+            (uint8_t)w->m_sFullscreenState.internal, (uint8_t)w->m_sFullscreenState.client, getGroupedData(w, format), getTagsData(w, format),
+            (uintptr_t)w->m_pSwallowed.lock().get(), getFocusHistoryID(w));
     } else {
         return std::format(
             "Window {:x} -> {}:\n\tmapped: {}\n\thidden: {}\n\tat: {},{}\n\tsize: {},{}\n\tworkspace: {} ({})\n\tfloating: {}\n\tpseudo: {}\n\tmonitor: {}\n\tclass: {}\n\ttitle: "
             "{}\n\tinitialClass: {}\n\tinitialTitle: {}\n\tpid: "
             "{}\n\txwayland: {}\n\tpinned: "
-            "{}\n\tfullscreen: {}\n\tfullscreenmode: {}\n\tfakefullscreen: {}\n\tgrouped: {}\n\ttags: {}\n\tswallowing: {:x}\n\tfocusHistoryID: {}\n\n",
+            "{}\n\tfullscreen: {}\n\tfullscreenClient: {}\n\tgrouped: {}\n\ttags: {}\n\tswallowing: {:x}\n\tfocusHistoryID: {}\n\n",
             (uintptr_t)w.get(), w->m_szTitle, (int)w->m_bIsMapped, (int)w->isHidden(), (int)w->m_vRealPosition.goal().x, (int)w->m_vRealPosition.goal().y,
             (int)w->m_vRealSize.goal().x, (int)w->m_vRealSize.goal().y, w->m_pWorkspace ? w->workspaceID() : WORKSPACE_INVALID, (!w->m_pWorkspace ? "" : w->m_pWorkspace->m_szName),
             (int)w->m_bIsFloating, (int)w->m_bIsPseudotiled, (int64_t)w->m_iMonitorID, w->m_szClass, w->m_szTitle, w->m_szInitialClass, w->m_szInitialTitle, w->getPID(),
-            (int)w->m_bIsX11, (int)w->m_bPinned, (int)w->m_bIsFullscreen, (w->m_bIsFullscreen ? (w->m_pWorkspace ? w->m_pWorkspace->m_efFullscreenMode : 0) : 0),
-            (int)w->m_bFakeFullscreenState, getGroupedData(w, format), getTagsData(w, format), (uintptr_t)w->m_pSwallowed.lock().get(), getFocusHistoryID(w));
+            (int)w->m_bIsX11, (int)w->m_bPinned, (uint8_t)w->m_sFullscreenState.internal, (uint8_t)w->m_sFullscreenState.client, getGroupedData(w, format), getTagsData(w, format),
+            (uintptr_t)w->m_pSwallowed.lock().get(), getFocusHistoryID(w));
     }
 }
 
diff --git a/src/desktop/LayerSurface.cpp b/src/desktop/LayerSurface.cpp
index 4426491d..80138910 100644
--- a/src/desktop/LayerSurface.cpp
+++ b/src/desktop/LayerSurface.cpp
@@ -165,7 +165,7 @@ void CLayerSurface::onMap() {
     CBox geomFixed = {geometry.x + PMONITOR->vecPosition.x, geometry.y + PMONITOR->vecPosition.y, geometry.width, geometry.height};
     g_pHyprRenderer->damageBox(&geomFixed);
     const auto WORKSPACE  = PMONITOR->activeWorkspace;
-    const bool FULLSCREEN = WORKSPACE->m_bHasFullscreenWindow && WORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL;
+    const bool FULLSCREEN = WORKSPACE->m_bHasFullscreenWindow && WORKSPACE->m_efFullscreenMode == FSMODE_FULLSCREEN;
 
     startAnimation(!(layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP && FULLSCREEN && !GRABSFOCUS));
     readyToDelete = false;
diff --git a/src/desktop/Window.cpp b/src/desktop/Window.cpp
index f635d367..9316959d 100644
--- a/src/desktop/Window.cpp
+++ b/src/desktop/Window.cpp
@@ -192,7 +192,7 @@ CBox CWindow::getWindowIdealBoundingBoxIgnoreReserved() {
     auto POS  = m_vPosition;
     auto SIZE = m_vSize;
 
-    if (m_bIsFullscreen) {
+    if (isFullscreen()) {
         POS  = PMONITOR->vecPosition;
         SIZE = PMONITOR->vecSize;
 
@@ -970,8 +970,9 @@ void CWindow::setGroupCurrent(PHLWINDOW pWindow) {
         return;
 
     const auto PCURRENT   = getGroupCurrent();
-    const bool FULLSCREEN = PCURRENT->m_bIsFullscreen;
+    const bool FULLSCREEN = PCURRENT->isFullscreen();
     const auto WORKSPACE  = PCURRENT->m_pWorkspace;
+    const auto MODE       = PCURRENT->m_sFullscreenState.client;
 
     const auto PWINDOWSIZE = PCURRENT->m_vRealSize.goal();
     const auto PWINDOWPOS  = PCURRENT->m_vRealPosition.goal();
@@ -979,7 +980,7 @@ void CWindow::setGroupCurrent(PHLWINDOW pWindow) {
     const auto CURRENTISFOCUS = PCURRENT == g_pCompositor->m_pLastWindow.lock();
 
     if (FULLSCREEN)
-        g_pCompositor->setWindowFullscreen(PCURRENT, false, WORKSPACE->m_efFullscreenMode);
+        g_pCompositor->setWindowFullscreenInternal(PCURRENT, FSMODE_NONE);
 
     PCURRENT->setHidden(true);
     pWindow->setHidden(false); // can remove m_pLastWindow
@@ -997,7 +998,7 @@ void CWindow::setGroupCurrent(PHLWINDOW pWindow) {
         g_pCompositor->focusWindow(pWindow);
 
     if (FULLSCREEN)
-        g_pCompositor->setWindowFullscreen(pWindow, true, WORKSPACE->m_efFullscreenMode);
+        g_pCompositor->setWindowFullscreenInternal(pWindow, MODE);
 
     g_pHyprRenderer->damageWindow(pWindow);
 
@@ -1140,7 +1141,7 @@ void CWindow::updateWindowData(const SWorkspaceRule& workspaceRule) {
 }
 
 int CWindow::getRealBorderSize() {
-    if (m_sWindowData.noBorder.valueOrDefault() || (m_pWorkspace && m_bIsFullscreen && (m_pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL)))
+    if (m_sWindowData.noBorder.valueOrDefault() || (m_pWorkspace && isEffectiveInternalFSMode(FSMODE_FULLSCREEN)))
         return 0;
 
     static auto PBORDERSIZE = CConfigValue<Hyprlang::INT>("general:border_size");
@@ -1153,11 +1154,6 @@ bool CWindow::canBeTorn() {
     return m_sWindowData.tearing.valueOr(m_bTearingHint) && *PTEARING;
 }
 
-bool CWindow::shouldSendFullscreenState() {
-    const auto MODE = m_pWorkspace->m_efFullscreenMode;
-    return m_bDontSendFullscreen ? false : (m_bFakeFullscreenState || (m_bIsFullscreen && (MODE == FULLSCREEN_FULL)));
-}
-
 void CWindow::setSuspended(bool suspend) {
     if (suspend == m_bSuspended)
         return;
@@ -1184,7 +1180,7 @@ void CWindow::setAnimationsToMove() {
 
 void CWindow::onWorkspaceAnimUpdate() {
     // clip box for animated offsets
-    if (!m_bIsFloating || m_bPinned || m_bIsFullscreen) {
+    if (!m_bIsFloating || m_bPinned || isFullscreen()) {
         m_vFloatingOffset = Vector2D(0, 0);
         return;
     }
@@ -1238,6 +1234,14 @@ int CWindow::surfacesCount() {
     return no;
 }
 
+bool CWindow::isFullscreen() {
+    return m_sFullscreenState.internal != FSMODE_NONE;
+}
+
+bool CWindow::isEffectiveInternalFSMode(const eFullscreenMode MODE) {
+    return (eFullscreenMode)std::bit_floor((uint8_t)m_sFullscreenState.internal) == MODE;
+}
+
 int CWindow::workspaceID() {
     return m_pWorkspace ? m_pWorkspace->m_iID : m_iLastWorkspace;
 }
@@ -1315,19 +1319,17 @@ void CWindow::onUpdateState() {
 
     if (requestsFS.has_value() && !(m_eSuppressedEvents & SUPPRESS_FULLSCREEN)) {
         bool fs = requestsFS.value();
-
-        if (fs != m_bIsFullscreen && m_bIsMapped)
-            g_pCompositor->setWindowFullscreen(m_pSelf.lock(), fs, FULLSCREEN_FULL);
+        if (m_bIsMapped) {
+            g_pCompositor->changeWindowFullscreenModeClient(m_pSelf.lock(), FSMODE_FULLSCREEN, requestsFS.value());
+        }
 
         if (!m_bIsMapped)
             m_bWantsInitialFullscreen = fs;
     }
 
     if (requestsMX.has_value() && !(m_eSuppressedEvents & SUPPRESS_MAXIMIZE)) {
-        bool fs = requestsMX.value();
-
-        if (fs != m_bIsFullscreen && m_bIsMapped)
-            g_pCompositor->setWindowFullscreen(m_pSelf.lock(), fs, FULLSCREEN_MAXIMIZED);
+        if (m_bIsMapped)
+            g_pCompositor->changeWindowFullscreenModeClient(m_pSelf.lock(), FSMODE_MAXIMIZED, requestsMX.value());
     }
 }
 
@@ -1432,7 +1434,7 @@ void CWindow::onX11Configure(CBox box) {
 
     g_pHyprRenderer->damageWindow(m_pSelf.lock());
 
-    if (!m_bIsFloating || m_bIsFullscreen || g_pInputManager->currentlyDraggedWindow == m_pSelf) {
+    if (!m_bIsFloating || isFullscreen() || g_pInputManager->currentlyDraggedWindow == m_pSelf) {
         g_pXWaylandManager->setWindowSize(m_pSelf.lock(), m_vRealSize.goal(), true);
         g_pInputManager->refocus();
         g_pHyprRenderer->damageWindow(m_pSelf.lock());
diff --git a/src/desktop/Window.hpp b/src/desktop/Window.hpp
index 108b804c..11bf662a 100644
--- a/src/desktop/Window.hpp
+++ b/src/desktop/Window.hpp
@@ -16,6 +16,7 @@
 #include "Popup.hpp"
 #include "Subsurface.hpp"
 #include "WLSurface.hpp"
+#include "Workspace.hpp"
 
 class CXDGSurfaceResource;
 class CXWaylandSurface;
@@ -170,6 +171,7 @@ struct SWindowData {
     CWindowOverridableVar<bool>               noShortcutsInhibit = false;
     CWindowOverridableVar<bool>               opaque             = false;
     CWindowOverridableVar<bool>               RGBX               = false;
+    CWindowOverridableVar<bool>               syncFullscreen     = true;
     CWindowOverridableVar<bool>               tearing            = false;
     CWindowOverridableVar<bool>               xray               = false;
 
@@ -208,6 +210,11 @@ struct SInitialWorkspaceToken {
     std::string  workspace;
 };
 
+struct sFullscreenState {
+    eFullscreenMode internal = FSMODE_NONE;
+    eFullscreenMode client   = FSMODE_NONE;
+};
+
 class CWindow {
   public:
     static PHLWINDOW create(SP<CXDGSurfaceResource>);
@@ -256,24 +263,23 @@ class CWindow {
     Vector2D m_vPseudoSize    = Vector2D(1280, 720);
 
     // for recovering relative cursor position
-    Vector2D     m_vRelativeCursorCoordsOnLastWarp = Vector2D(-1, -1);
+    Vector2D         m_vRelativeCursorCoordsOnLastWarp = Vector2D(-1, -1);
 
-    bool         m_bFirstMap           = false; // for layouts
-    bool         m_bIsFloating         = false;
-    bool         m_bDraggingTiled      = false; // for dragging around tiled windows
-    bool         m_bIsFullscreen       = false;
-    bool         m_bDontSendFullscreen = false;
-    bool         m_bWasMaximized       = false;
-    uint64_t     m_iMonitorID          = -1;
-    std::string  m_szTitle             = "";
-    std::string  m_szClass             = "";
-    std::string  m_szInitialTitle      = "";
-    std::string  m_szInitialClass      = "";
-    PHLWORKSPACE m_pWorkspace;
+    bool             m_bFirstMap        = false; // for layouts
+    bool             m_bIsFloating      = false;
+    bool             m_bDraggingTiled   = false; // for dragging around tiled windows
+    bool             m_bWasMaximized    = false;
+    sFullscreenState m_sFullscreenState = {.internal = FSMODE_NONE, .client = FSMODE_NONE};
+    uint64_t         m_iMonitorID       = -1;
+    std::string      m_szTitle          = "";
+    std::string      m_szClass          = "";
+    std::string      m_szInitialTitle   = "";
+    std::string      m_szInitialClass   = "";
+    PHLWORKSPACE     m_pWorkspace;
 
-    bool         m_bIsMapped = false;
+    bool             m_bIsMapped = false;
 
-    bool         m_bRequestsFloat = false;
+    bool             m_bRequestsFloat = false;
 
     // This is for fullscreen apps
     bool m_bCreatedOverFullscreen = false;
@@ -322,9 +328,6 @@ class CWindow {
     // urgency hint
     bool m_bIsUrgent = false;
 
-    // fakefullscreen
-    bool m_bFakeFullscreenState = false;
-
     // for proper cycling. While cycling we can't just move the pointers, so we need to keep track of the last cycled window.
     PHLWINDOWREF m_pLastCycledWindow;
 
@@ -416,7 +419,6 @@ class CWindow {
     bool                   opaque();
     float                  rounding();
     bool                   canBeTorn();
-    bool                   shouldSendFullscreenState();
     void                   setSuspended(bool suspend);
     bool                   visibleOnMonitor(CMonitor* pMonitor);
     int                    workspaceID();
@@ -424,6 +426,9 @@ class CWindow {
     void                   activate(bool force = false);
     int                    surfacesCount();
 
+    bool                   isFullscreen();
+    bool                   isEffectiveInternalFSMode(const eFullscreenMode);
+
     int                    getRealBorderSize();
     void                   updateWindowData();
     void                   updateWindowData(const struct SWorkspaceRule&);
diff --git a/src/desktop/Workspace.cpp b/src/desktop/Workspace.cpp
index 34db914e..a08f1804 100644
--- a/src/desktop/Workspace.cpp
+++ b/src/desktop/Workspace.cpp
@@ -480,16 +480,11 @@ bool CWorkspace::matchesStaticSelector(const std::string& selector_) {
                             return false;
                         break;
                     case 0: // fullscreen full
-                        if (!m_bHasFullscreenWindow || m_efFullscreenMode != FULLSCREEN_FULL)
+                        if (!m_bHasFullscreenWindow || m_efFullscreenMode != FSMODE_FULLSCREEN)
                             return false;
                         break;
                     case 1: // maximized
-                        if (!m_bHasFullscreenWindow || m_efFullscreenMode != FULLSCREEN_MAXIMIZED)
-                            return false;
-                        break;
-                    case 2: // fullscreen without sending fullscreen state to window
-                        if (!m_bHasFullscreenWindow || m_efFullscreenMode != FULLSCREEN_FULL || !g_pCompositor->getFullscreenWindowOnWorkspace(m_iID) ||
-                            !g_pCompositor->getFullscreenWindowOnWorkspace(m_iID)->m_bDontSendFullscreen)
+                        if (!m_bHasFullscreenWindow || m_efFullscreenMode != FSMODE_MAXIMIZED)
                             return false;
                         break;
                     default: break;
diff --git a/src/desktop/Workspace.hpp b/src/desktop/Workspace.hpp
index bb5cd441..3e9ac8a8 100644
--- a/src/desktop/Workspace.hpp
+++ b/src/desktop/Workspace.hpp
@@ -7,9 +7,10 @@
 #include "../helpers/MiscFunctions.hpp"
 
 enum eFullscreenMode : int8_t {
-    FULLSCREEN_INVALID = -1,
-    FULLSCREEN_FULL    = 0,
-    FULLSCREEN_MAXIMIZED
+    FSMODE_NONE       = 0,
+    FSMODE_MAXIMIZED  = 1 << 0,
+    FSMODE_FULLSCREEN = 1 << 1,
+    FSMODE_MAX        = (1 << 2) - 1
 };
 
 class CWindow;
@@ -31,7 +32,7 @@ class CWorkspace {
     SWorkspaceIDName m_sPrevWorkspace, m_sPrevWorkspacePerMonitor;
 
     bool             m_bHasFullscreenWindow = false;
-    eFullscreenMode  m_efFullscreenMode     = FULLSCREEN_FULL;
+    eFullscreenMode  m_efFullscreenMode     = FSMODE_NONE;
 
     wl_array         m_wlrCoordinateArr;
 
diff --git a/src/events/Windows.cpp b/src/events/Windows.cpp
index b2abb65c..71ad4ba1 100644
--- a/src/events/Windows.cpp
+++ b/src/events/Windows.cpp
@@ -133,12 +133,11 @@ void Events::listener_mapWindow(void* owner, void* data) {
     }
 
     // window rules
-    PWINDOW->m_vMatchedRules    = g_pConfigManager->getMatchingRules(PWINDOW, false);
-    bool requestsFullscreen     = PWINDOW->m_bWantsInitialFullscreen || (PWINDOW->m_bIsX11 && PWINDOW->m_pXWaylandSurface->fullscreen);
-    bool requestsFakeFullscreen = false;
-    bool requestsMaximize       = false;
-    bool overridingNoFullscreen = false;
-    bool overridingNoMaximize   = false;
+    PWINDOW->m_vMatchedRules = g_pConfigManager->getMatchingRules(PWINDOW, false);
+    std::optional<eFullscreenMode>  requestedInternalFSMode, requestedClientFSMode;
+    std::optional<sFullscreenState> requestedFSState;
+    if (PWINDOW->m_bWantsInitialFullscreen || (PWINDOW->m_bIsX11 && PWINDOW->m_pXWaylandSurface->fullscreen))
+        requestedClientFSMode = FSMODE_FULLSCREEN;
 
     for (auto& r : PWINDOW->m_vMatchedRules) {
         if (r.szRule.starts_with("monitor")) {
@@ -199,6 +198,16 @@ void Events::listener_mapWindow(void* owner, void* data) {
             PWINDOW->m_bIsPseudotiled = true;
         } else if (r.szRule.starts_with("noinitialfocus")) {
             PWINDOW->m_bNoInitialFocus = true;
+        } else if (r.szRule.starts_with("fullscreenstate")) {
+            const auto ARGS = CVarList(r.szRule.substr(r.szRule.find_first_of(' ') + 1), 2, ' ');
+            int        internalMode, clientMode;
+            try {
+                internalMode = std::stoi(ARGS[0]);
+            } catch (std::exception& e) { internalMode = 0; }
+            try {
+                clientMode = std::stoi(ARGS[1]);
+            } catch (std::exception& e) { clientMode = 0; }
+            requestedFSState = sFullscreenState{.internal = (eFullscreenMode)internalMode, .client = (eFullscreenMode)clientMode};
         } else if (r.szRule.starts_with("suppressevent")) {
             CVarList vars(r.szRule, 0, 's', true);
             for (size_t i = 1; i < vars.size(); ++i) {
@@ -213,16 +222,12 @@ void Events::listener_mapWindow(void* owner, void* data) {
                 else
                     Debug::log(ERR, "Error while parsing suppressevent windowrule: unknown event type {}", vars[i]);
             }
-        } else if (r.szRule == "fullscreen") {
-            requestsFullscreen     = true;
-            overridingNoFullscreen = true;
-        } else if (r.szRule == "fakefullscreen") {
-            requestsFakeFullscreen = true;
         } else if (r.szRule == "pin") {
             PWINDOW->m_bPinned = true;
+        } else if (r.szRule == "fullscreen") {
+            requestedInternalFSMode = FSMODE_FULLSCREEN;
         } else if (r.szRule == "maximize") {
-            requestsMaximize     = true;
-            overridingNoMaximize = true;
+            requestedInternalFSMode = FSMODE_MAXIMIZED;
         } else if (r.szRule == "stayfocused") {
             PWINDOW->m_bStayFocused = true;
         } else if (r.szRule.starts_with("group")) {
@@ -461,17 +466,14 @@ void Events::listener_mapWindow(void* owner, void* data) {
     const auto PLSFROMFOCUS = g_pCompositor->getLayerSurfaceFromSurface(g_pCompositor->m_pLastFocus.lock());
     if (PLSFROMFOCUS && PLSFROMFOCUS->layerSurface->current.interactivity != ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_NONE)
         PWINDOW->m_bNoInitialFocus = true;
-    if (PWINDOW->m_pWorkspace->m_bHasFullscreenWindow && !requestsFullscreen && !PWINDOW->m_bIsFloating) {
+
+    if (PWINDOW->m_pWorkspace->m_bHasFullscreenWindow && !requestedInternalFSMode.has_value() && !requestedClientFSMode.has_value() && !PWINDOW->m_bIsFloating) {
         if (*PNEWTAKESOVERFS == 0)
             PWINDOW->m_bNoInitialFocus = true;
+        else if (*PNEWTAKESOVERFS == 1)
+            requestedInternalFSMode = PWINDOW->m_pWorkspace->m_efFullscreenMode;
         else if (*PNEWTAKESOVERFS == 2)
-            g_pCompositor->setWindowFullscreen(g_pCompositor->getFullscreenWindowOnWorkspace(PWINDOW->m_pWorkspace->m_iID), false, FULLSCREEN_INVALID);
-        else if (PWINDOW->m_pWorkspace->m_efFullscreenMode == FULLSCREEN_MAXIMIZED) {
-            requestsMaximize = true;
-            if (*PNEWTAKESOVERFS == 1)
-                overridingNoMaximize = true;
-        } else
-            requestsFullscreen = true;
+            g_pCompositor->setWindowFullscreenInternal(g_pCompositor->getFullscreenWindowOnWorkspace(PWINDOW->m_pWorkspace->m_iID), FSMODE_NONE);
     }
 
     if (!PWINDOW->m_sWindowData.noFocus.valueOrDefault() && !PWINDOW->m_bNoInitialFocus &&
@@ -485,24 +487,27 @@ void Events::listener_mapWindow(void* owner, void* data) {
         PWINDOW->m_fDimPercent.setValueAndWarp(0);
     }
 
-    if ((requestsFullscreen && (!(PWINDOW->m_eSuppressedEvents & SUPPRESS_FULLSCREEN) || overridingNoFullscreen)) ||
-        (requestsMaximize && (!(PWINDOW->m_eSuppressedEvents & SUPPRESS_MAXIMIZE) || overridingNoMaximize)) || requestsFakeFullscreen) {
-        // fix fullscreen on requested (basically do a switcheroo)
-        if (PWINDOW->m_pWorkspace->m_bHasFullscreenWindow) {
-            const auto PFULLWINDOW = g_pCompositor->getFullscreenWindowOnWorkspace(PWINDOW->m_pWorkspace->m_iID);
-            g_pCompositor->setWindowFullscreen(PFULLWINDOW, false, FULLSCREEN_FULL);
-        }
+    if (requestedClientFSMode.has_value() && !(PWINDOW->m_eSuppressedEvents & SUPPRESS_FULLSCREEN))
+        requestedClientFSMode = (eFullscreenMode)((uint8_t)requestedClientFSMode.value_or(FSMODE_NONE) & ~(uint8_t)FSMODE_FULLSCREEN);
+    if (requestedClientFSMode.has_value() && !(PWINDOW->m_eSuppressedEvents & SUPPRESS_MAXIMIZE))
+        requestedClientFSMode = (eFullscreenMode)((uint8_t)requestedClientFSMode.value_or(FSMODE_NONE) & ~(uint8_t)FSMODE_MAXIMIZED);
 
-        if (requestsFakeFullscreen && !PWINDOW->m_bFakeFullscreenState) {
-            PWINDOW->m_bFakeFullscreenState = !PWINDOW->m_bFakeFullscreenState;
-            g_pXWaylandManager->setWindowFullscreen(PWINDOW, true);
-        } else {
-            overridingNoFullscreen = false;
-            overridingNoMaximize   = false;
-            PWINDOW->m_vRealPosition.warp();
-            PWINDOW->m_vRealSize.warp();
-            g_pCompositor->setWindowFullscreen(PWINDOW, true, requestsFullscreen ? FULLSCREEN_FULL : FULLSCREEN_MAXIMIZED);
-        }
+    if (!PWINDOW->m_bNoInitialFocus && (requestedInternalFSMode.has_value() || requestedClientFSMode.has_value() || requestedFSState.has_value())) {
+        // fix fullscreen on requested (basically do a switcheroo)
+        if (PWINDOW->m_pWorkspace->m_bHasFullscreenWindow)
+            g_pCompositor->setWindowFullscreenInternal(g_pCompositor->getFullscreenWindowOnWorkspace(PWINDOW->m_pWorkspace->m_iID), FSMODE_NONE);
+
+        PWINDOW->m_vRealPosition.warp();
+        PWINDOW->m_vRealSize.warp();
+        if (requestedFSState.has_value()) {
+            PWINDOW->m_sWindowData.syncFullscreen = CWindowOverridableVar(false, PRIORITY_WINDOW_RULE);
+            g_pCompositor->setWindowFullscreenState(PWINDOW, requestedFSState.value());
+        } else if (requestedInternalFSMode.has_value() && requestedClientFSMode.has_value() && !PWINDOW->m_sWindowData.syncFullscreen.valueOrDefault())
+            g_pCompositor->setWindowFullscreenState(PWINDOW, sFullscreenState{.internal = requestedInternalFSMode.value(), .client = requestedClientFSMode.value()});
+        else if (requestedInternalFSMode.has_value())
+            g_pCompositor->setWindowFullscreenInternal(PWINDOW, requestedInternalFSMode.value());
+        else if (requestedClientFSMode.has_value())
+            g_pCompositor->setWindowFullscreenClient(PWINDOW, requestedClientFSMode.value());
     }
 
     // recheck idle inhibitors
@@ -558,7 +563,7 @@ void Events::listener_mapWindow(void* owner, void* data) {
     // recalc the values for this window
     g_pCompositor->updateWindowAnimatedDecorationValues(PWINDOW);
     // avoid this window being visible
-    if (PWORKSPACE->m_bHasFullscreenWindow && !PWINDOW->m_bIsFullscreen && !PWINDOW->m_bIsFloating)
+    if (PWORKSPACE->m_bHasFullscreenWindow && !PWINDOW->isFullscreen() && !PWINDOW->m_bIsFloating)
         PWINDOW->m_fAlpha.setValueAndWarp(0.f);
 
     g_pCompositor->setPreferredScaleForSurface(PWINDOW->m_pWLSurface->resource(), PMONITOR->scale);
@@ -583,8 +588,8 @@ void Events::listener_unmapWindow(void* owner, void* data) {
 
     static auto PEXITRETAINSFS = CConfigValue<Hyprlang::INT>("misc:exit_window_retains_fullscreen");
 
-    const auto  CURRENTWINDOWFSSTATE = PWINDOW->m_bIsFullscreen;
-    const auto  CURRENTWINDOWFSMODE  = PWINDOW->m_pWorkspace->m_efFullscreenMode;
+    const auto  CURRENTWINDOWFSSTATE = PWINDOW->isFullscreen();
+    const auto  CURRENTFSMODE        = PWINDOW->m_sFullscreenState.internal;
 
     if (!PWINDOW->m_pWLSurface->exists() || !PWINDOW->m_bIsMapped) {
         Debug::log(WARN, "{} unmapped without being mapped??", PWINDOW);
@@ -604,8 +609,8 @@ void Events::listener_unmapWindow(void* owner, void* data) {
 
     PROTO::toplevelExport->onWindowUnmap(PWINDOW);
 
-    if (PWINDOW->m_bIsFullscreen)
-        g_pCompositor->setWindowFullscreen(PWINDOW, false, FULLSCREEN_FULL);
+    if (PWINDOW->isFullscreen())
+        g_pCompositor->setWindowFullscreenInternal(PWINDOW, FSMODE_NONE);
 
     // Allow the renderer to catch the last frame.
     g_pHyprOpenGL->makeWindowSnapshot(PWINDOW);
@@ -633,7 +638,7 @@ void Events::listener_unmapWindow(void* owner, void* data) {
     // remove the fullscreen window status from workspace if we closed it
     const auto PWORKSPACE = PWINDOW->m_pWorkspace;
 
-    if (PWORKSPACE->m_bHasFullscreenWindow && PWINDOW->m_bIsFullscreen)
+    if (PWORKSPACE->m_bHasFullscreenWindow && PWINDOW->isFullscreen())
         PWORKSPACE->m_bHasFullscreenWindow = false;
 
     g_pLayoutManager->getCurrentLayout()->onWindowRemoved(PWINDOW);
@@ -650,7 +655,7 @@ void Events::listener_unmapWindow(void* owner, void* data) {
         if (PWINDOWCANDIDATE != g_pCompositor->m_pLastWindow.lock() && PWINDOWCANDIDATE) {
             g_pCompositor->focusWindow(PWINDOWCANDIDATE);
             if (*PEXITRETAINSFS && CURRENTWINDOWFSSTATE)
-                g_pCompositor->setWindowFullscreen(PWINDOWCANDIDATE, true, CURRENTWINDOWFSMODE);
+                g_pCompositor->setWindowFullscreenInternal(PWINDOWCANDIDATE, CURRENTFSMODE);
         }
 
         if (!PWINDOWCANDIDATE && g_pCompositor->getWindowsOnWorkspace(PWINDOW->workspaceID()) == 0)
@@ -708,7 +713,7 @@ void Events::listener_commitWindow(void* owner, void* data) {
 
     PWINDOW->m_vReportedSize = PWINDOW->m_vPendingReportedSize; // apply pending size. We pinged, the window ponged.
 
-    if (!PWINDOW->m_bIsX11 && !PWINDOW->m_bIsFullscreen && PWINDOW->m_bIsFloating) {
+    if (!PWINDOW->m_bIsX11 && !PWINDOW->isFullscreen() && PWINDOW->m_bIsFloating) {
         const auto MINSIZE = PWINDOW->m_pXDGSurface->toplevel->current.minSize;
         const auto MAXSIZE = PWINDOW->m_pXDGSurface->toplevel->current.maxSize;
 
@@ -835,7 +840,7 @@ void Events::listener_unmanagedSetGeometry(void* owner, void* data) {
     else
         PWINDOW->setHidden(true);
 
-    if (PWINDOW->m_bIsFullscreen || !PWINDOW->m_bIsFloating) {
+    if (PWINDOW->isFullscreen() || !PWINDOW->m_bIsFloating) {
         g_pXWaylandManager->setWindowSize(PWINDOW, PWINDOW->m_vRealSize.goal(), true);
         g_pHyprRenderer->damageWindow(PWINDOW);
         return;
diff --git a/src/helpers/Monitor.cpp b/src/helpers/Monitor.cpp
index 33fe0c04..377825fb 100644
--- a/src/helpers/Monitor.cpp
+++ b/src/helpers/Monitor.cpp
@@ -354,7 +354,7 @@ bool CMonitor::shouldSkipScheduleFrameOnMouseEvent() {
 
     // skip scheduling extra frames for fullsreen apps with vrr
     bool shouldSkip =
-        *PNOBREAK && output->state->state().adaptiveSync && activeWorkspace && activeWorkspace->m_bHasFullscreenWindow && activeWorkspace->m_efFullscreenMode == FULLSCREEN_FULL;
+        *PNOBREAK && output->state->state().adaptiveSync && activeWorkspace && activeWorkspace->m_bHasFullscreenWindow && activeWorkspace->m_efFullscreenMode == FSMODE_FULLSCREEN;
 
     // keep requested minimum refresh rate
     if (shouldSkip && *PMINRR && lastPresentationTimer.getMillis() > 1000 / *PMINRR) {
diff --git a/src/layout/DwindleLayout.cpp b/src/layout/DwindleLayout.cpp
index 7fa6fdbc..336c8c68 100644
--- a/src/layout/DwindleLayout.cpp
+++ b/src/layout/DwindleLayout.cpp
@@ -136,11 +136,12 @@ void CHyprDwindleLayout::applyNodeDataToWindow(SDwindleNodeData* pNode, bool for
         return;
     }
 
-    if (PWINDOW->m_bIsFullscreen && !pNode->ignoreFullscreenChecks)
+    if (PWINDOW->isFullscreen() && !pNode->ignoreFullscreenChecks)
         return;
 
     PWINDOW->unsetWindowData(PRIORITY_LAYOUT);
     PWINDOW->updateWindowData();
+    PWINDOW->updateWindowDecos();
 
     static auto PNOGAPSWHENONLY = CConfigValue<Hyprlang::INT>("dwindle:no_gaps_when_only");
     static auto PGAPSINDATA     = CConfigValue<Hyprlang::CUSTOMTYPE>("general:gaps_in");
@@ -158,8 +159,7 @@ void CHyprDwindleLayout::applyNodeDataToWindow(SDwindleNodeData* pNode, bool for
 
     const auto NODESONWORKSPACE = getNodesOnWorkspace(PWINDOW->workspaceID());
 
-    if (*PNOGAPSWHENONLY && !PWINDOW->onSpecialWorkspace() &&
-        (NODESONWORKSPACE == 1 || (PWINDOW->m_bIsFullscreen && PWINDOW->m_pWorkspace->m_efFullscreenMode == FULLSCREEN_MAXIMIZED))) {
+    if (*PNOGAPSWHENONLY && !PWINDOW->onSpecialWorkspace() && (NODESONWORKSPACE == 1 || PWINDOW->isEffectiveInternalFSMode(FSMODE_MAXIMIZED))) {
 
         PWINDOW->m_sWindowData.decorate   = CWindowOverridableVar(true, PRIORITY_LAYOUT);
         PWINDOW->m_sWindowData.noBorder   = CWindowOverridableVar(*PNOGAPSWHENONLY != 2, PRIORITY_LAYOUT);
@@ -216,7 +216,7 @@ void CHyprDwindleLayout::applyNodeDataToWindow(SDwindleNodeData* pNode, bool for
     calcPos             = calcPos + RESERVED.topLeft;
     calcSize            = calcSize - (RESERVED.topLeft + RESERVED.bottomRight);
 
-    if (PWINDOW->onSpecialWorkspace() && !PWINDOW->m_bIsFullscreen) {
+    if (PWINDOW->onSpecialWorkspace() && !PWINDOW->isFullscreen()) {
         // if special, we adjust the coords a bit
         static auto PSCALEFACTOR = CConfigValue<Hyprlang::FLOAT>("dwindle:special_scale_factor");
 
@@ -500,8 +500,8 @@ void CHyprDwindleLayout::onWindowRemovedTiling(PHLWINDOW pWindow) {
     pWindow->unsetWindowData(PRIORITY_LAYOUT);
     pWindow->updateWindowData();
 
-    if (pWindow->m_bIsFullscreen)
-        g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
+    if (pWindow->isFullscreen())
+        g_pCompositor->setWindowFullscreenInternal(pWindow, FSMODE_NONE);
 
     const auto PPARENT = PNODE->pParent;
 
@@ -560,10 +560,10 @@ void CHyprDwindleLayout::calculateWorkspace(const PHLWORKSPACE& pWorkspace) {
         // massive hack from the fullscreen func
         const auto PFULLWINDOW = g_pCompositor->getFullscreenWindowOnWorkspace(pWorkspace->m_iID);
 
-        if (pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL) {
+        if (pWorkspace->m_efFullscreenMode == FSMODE_FULLSCREEN) {
             PFULLWINDOW->m_vRealPosition = PMONITOR->vecPosition;
             PFULLWINDOW->m_vRealSize     = PMONITOR->vecSize;
-        } else if (pWorkspace->m_efFullscreenMode == FULLSCREEN_MAXIMIZED) {
+        } else if (pWorkspace->m_efFullscreenMode == FSMODE_MAXIMIZED) {
             SDwindleNodeData fakeNode;
             fakeNode.pWindow         = PFULLWINDOW;
             fakeNode.box             = {PMONITOR->vecPosition + PMONITOR->vecReservedTopLeft, PMONITOR->vecSize - PMONITOR->vecReservedTopLeft - PMONITOR->vecReservedBottomRight};
@@ -788,41 +788,19 @@ void CHyprDwindleLayout::resizeActiveWindow(const Vector2D& pixResize, eRectCorn
     }
 }
 
-void CHyprDwindleLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscreenMode fullscreenMode, bool on) {
-    if (!validMapped(pWindow))
-        return;
-
-    if (on == pWindow->m_bIsFullscreen)
-        return; // ignore
-
+void CHyprDwindleLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, const eFullscreenMode CURRENT_EFFECTIVE_MODE, const eFullscreenMode EFFECTIVE_MODE) {
     const auto PMONITOR   = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
     const auto PWORKSPACE = pWindow->m_pWorkspace;
 
-    if (PWORKSPACE->m_bHasFullscreenWindow && on) {
-        // if the window wants to be fullscreen but there already is one,
-        // ignore the request.
-        return;
-    }
-
     // save position and size if floating
-    if (pWindow->m_bIsFloating && on) {
+    if (pWindow->m_bIsFloating && CURRENT_EFFECTIVE_MODE == FSMODE_NONE) {
         pWindow->m_vLastFloatingSize     = pWindow->m_vRealSize.goal();
         pWindow->m_vLastFloatingPosition = pWindow->m_vRealPosition.goal();
         pWindow->m_vPosition             = pWindow->m_vRealPosition.goal();
         pWindow->m_vSize                 = pWindow->m_vRealSize.goal();
     }
 
-    // otherwise, accept it.
-    pWindow->m_bIsFullscreen           = on;
-    PWORKSPACE->m_bHasFullscreenWindow = !PWORKSPACE->m_bHasFullscreenWindow;
-
-    pWindow->updateDynamicRules();
-    pWindow->updateWindowDecos();
-
-    g_pEventManager->postEvent(SHyprIPCEvent{"fullscreen", std::to_string((int)on)});
-    EMIT_HOOK_EVENT("fullscreen", pWindow);
-
-    if (!pWindow->m_bIsFullscreen) {
+    if (EFFECTIVE_MODE == FSMODE_NONE) {
         // if it got its fullscreen disabled, set back its node if it had one
         const auto PNODE = getNodeFromWindow(pWindow);
         if (PNODE)
@@ -836,12 +814,8 @@ void CHyprDwindleLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscre
             pWindow->updateWindowData();
         }
     } else {
-        // if it now got fullscreen, make it fullscreen
-
-        PWORKSPACE->m_efFullscreenMode = fullscreenMode;
-
         // apply new pos and size being monitors' box
-        if (fullscreenMode == FULLSCREEN_FULL) {
+        if (EFFECTIVE_MODE == FSMODE_FULLSCREEN) {
             pWindow->m_vRealPosition = PMONITOR->vecPosition;
             pWindow->m_vRealSize     = PMONITOR->vecSize;
         } else {
@@ -861,13 +835,7 @@ void CHyprDwindleLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscre
         }
     }
 
-    g_pCompositor->updateWindowAnimatedDecorationValues(pWindow);
-
-    g_pXWaylandManager->setWindowSize(pWindow, pWindow->m_vRealSize.goal());
-
     g_pCompositor->changeWindowZOrder(pWindow, true);
-
-    recalculateMonitor(PMONITOR->ID);
 }
 
 void CHyprDwindleLayout::recalculateWindow(PHLWINDOW pWindow) {
@@ -957,13 +925,11 @@ void CHyprDwindleLayout::switchWindows(PHLWINDOW pWindow, PHLWINDOW pWindow2) {
     if (!PNODE2 || !PNODE)
         return;
 
-    const bool FS1 = pWindow->m_bIsFullscreen;
-    const bool FS2 = pWindow2->m_bIsFullscreen;
+    const eFullscreenMode MODE1 = pWindow->m_sFullscreenState.internal;
+    const eFullscreenMode MODE2 = pWindow->m_sFullscreenState.internal;
 
-    if (FS1)
-        g_pCompositor->setWindowFullscreen(pWindow, false);
-    if (FS2)
-        g_pCompositor->setWindowFullscreen(pWindow2, false);
+    g_pCompositor->setWindowFullscreenInternal(pWindow, FSMODE_NONE);
+    g_pCompositor->setWindowFullscreenInternal(pWindow2, FSMODE_NONE);
 
     SDwindleNodeData* ACTIVE1 = nullptr;
     SDwindleNodeData* ACTIVE2 = nullptr;
@@ -1001,10 +967,8 @@ void CHyprDwindleLayout::switchWindows(PHLWINDOW pWindow, PHLWINDOW pWindow2) {
     g_pHyprRenderer->damageWindow(pWindow);
     g_pHyprRenderer->damageWindow(pWindow2);
 
-    if (FS1)
-        g_pCompositor->setWindowFullscreen(pWindow2, true);
-    if (FS2)
-        g_pCompositor->setWindowFullscreen(pWindow, true);
+    g_pCompositor->setWindowFullscreenInternal(pWindow2, MODE1);
+    g_pCompositor->setWindowFullscreenInternal(pWindow, MODE2);
 }
 
 void CHyprDwindleLayout::alterSplitRatio(PHLWINDOW pWindow, float ratio, bool exact) {
@@ -1072,7 +1036,7 @@ void CHyprDwindleLayout::toggleSplit(PHLWINDOW pWindow) {
     if (!PNODE || !PNODE->pParent)
         return;
 
-    if (pWindow->m_bIsFullscreen)
+    if (pWindow->isFullscreen())
         return;
 
     PNODE->pParent->splitTop = !PNODE->pParent->splitTop;
@@ -1086,7 +1050,7 @@ void CHyprDwindleLayout::swapSplit(PHLWINDOW pWindow) {
     if (!PNODE || !PNODE->pParent)
         return;
 
-    if (pWindow->m_bIsFullscreen)
+    if (pWindow->isFullscreen())
         return;
 
     std::swap(PNODE->pParent->children[0], PNODE->pParent->children[1]);
diff --git a/src/layout/DwindleLayout.hpp b/src/layout/DwindleLayout.hpp
index 13834bc7..f638f6a2 100644
--- a/src/layout/DwindleLayout.hpp
+++ b/src/layout/DwindleLayout.hpp
@@ -52,7 +52,7 @@ class CHyprDwindleLayout : public IHyprLayout {
     virtual void                     recalculateWindow(PHLWINDOW);
     virtual void                     onBeginDragWindow();
     virtual void                     resizeActiveWindow(const Vector2D&, eRectCorner corner = CORNER_NONE, PHLWINDOW pWindow = nullptr);
-    virtual void                     fullscreenRequestForWindow(PHLWINDOW, eFullscreenMode, bool);
+    virtual void                     fullscreenRequestForWindow(PHLWINDOW pWindow, const eFullscreenMode CURRENT_EFFECTIVE_MODE, const eFullscreenMode EFFECTIVE_MODE);
     virtual std::any                 layoutMessage(SLayoutMessageHeader, std::string);
     virtual SWindowRenderLayoutHints requestRenderHints(PHLWINDOW);
     virtual void                     switchWindows(PHLWINDOW, PHLWINDOW);
diff --git a/src/layout/IHyprLayout.cpp b/src/layout/IHyprLayout.cpp
index 0738b71c..233933d4 100644
--- a/src/layout/IHyprLayout.cpp
+++ b/src/layout/IHyprLayout.cpp
@@ -29,8 +29,8 @@ void IHyprLayout::onWindowCreated(PHLWINDOW pWindow, eDirection direction) {
 }
 
 void IHyprLayout::onWindowRemoved(PHLWINDOW pWindow) {
-    if (pWindow->m_bIsFullscreen)
-        g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
+    if (pWindow->isFullscreen())
+        g_pCompositor->setWindowFullscreenInternal(pWindow, FSMODE_NONE);
 
     if (!pWindow->m_sGroupData.pNextWindow.expired()) {
         if (pWindow->m_sGroupData.pNextWindow.lock() == pWindow)
@@ -191,9 +191,9 @@ void IHyprLayout::onBeginDragWindow() {
         return;
     }
 
-    if (DRAGGINGWINDOW->m_bIsFullscreen) {
+    if (DRAGGINGWINDOW->isFullscreen()) {
         Debug::log(LOG, "Dragging a fullscreen window");
-        g_pCompositor->setWindowFullscreen(DRAGGINGWINDOW, false, FULLSCREEN_FULL);
+        g_pCompositor->setWindowFullscreenInternal(DRAGGINGWINDOW, FSMODE_NONE);
     }
 
     const auto PWORKSPACE = DRAGGINGWINDOW->m_pWorkspace;
@@ -475,9 +475,9 @@ void IHyprLayout::onMouseMove(const Vector2D& mousePos) {
 
 void IHyprLayout::changeWindowFloatingMode(PHLWINDOW pWindow) {
 
-    if (pWindow->m_bIsFullscreen) {
+    if (pWindow->isFullscreen()) {
         Debug::log(LOG, "changeWindowFloatingMode: fullscreen");
-        g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
+        g_pCompositor->setWindowFullscreenInternal(pWindow, FSMODE_NONE);
     }
 
     pWindow->m_bPinned = false;
@@ -497,7 +497,7 @@ void IHyprLayout::changeWindowFloatingMode(PHLWINDOW pWindow) {
         const auto PWORKSPACE = PNEWMON->activeSpecialWorkspace ? PNEWMON->activeSpecialWorkspace : PNEWMON->activeWorkspace;
 
         if (PWORKSPACE->m_bHasFullscreenWindow)
-            g_pCompositor->setWindowFullscreen(g_pCompositor->getFullscreenWindowOnWorkspace(PWORKSPACE->m_iID), false);
+            g_pCompositor->setWindowFullscreenInternal(g_pCompositor->getFullscreenWindowOnWorkspace(PWORKSPACE->m_iID), FSMODE_NONE);
 
         // save real pos cuz the func applies the default 5,5 mid
         const auto PSAVEDPOS  = pWindow->m_vRealPosition.goal();
diff --git a/src/layout/IHyprLayout.hpp b/src/layout/IHyprLayout.hpp
index 74a00d19..4b1b59e3 100644
--- a/src/layout/IHyprLayout.hpp
+++ b/src/layout/IHyprLayout.hpp
@@ -110,7 +110,7 @@ class IHyprLayout {
         The layout sets all the fullscreen flags.
         It can either accept or ignore.
     */
-    virtual void fullscreenRequestForWindow(PHLWINDOW, eFullscreenMode, bool) = 0;
+    virtual void fullscreenRequestForWindow(PHLWINDOW pWindow, const eFullscreenMode CURRENT_EFFECTIVE_MODE, const eFullscreenMode EFFECTIVE_MODE) = 0;
 
     /*
         Called when a dispatcher requests a custom message
diff --git a/src/layout/MasterLayout.cpp b/src/layout/MasterLayout.cpp
index d7f264e7..e3aaa767 100644
--- a/src/layout/MasterLayout.cpp
+++ b/src/layout/MasterLayout.cpp
@@ -267,7 +267,8 @@ void CHyprMasterLayout::onWindowRemovedTiling(PHLWINDOW pWindow) {
     pWindow->unsetWindowData(PRIORITY_LAYOUT);
     pWindow->updateWindowData();
 
-    g_pCompositor->setWindowFullscreen(pWindow, false, FULLSCREEN_FULL);
+    if (pWindow->isFullscreen())
+        g_pCompositor->setWindowFullscreenInternal(pWindow, FSMODE_NONE);
 
     if (PNODE->isMaster && (MASTERSLEFT <= 1 || *SMALLSPLIT == 1)) {
         // find a new master from top of the list
@@ -327,10 +328,10 @@ void CHyprMasterLayout::calculateWorkspace(PHLWORKSPACE pWorkspace) {
         // massive hack from the fullscreen func
         const auto PFULLWINDOW = g_pCompositor->getFullscreenWindowOnWorkspace(pWorkspace->m_iID);
 
-        if (pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL) {
+        if (pWorkspace->m_efFullscreenMode == FSMODE_FULLSCREEN) {
             PFULLWINDOW->m_vRealPosition = PMONITOR->vecPosition;
             PFULLWINDOW->m_vRealSize     = PMONITOR->vecSize;
-        } else if (pWorkspace->m_efFullscreenMode == FULLSCREEN_MAXIMIZED) {
+        } else if (pWorkspace->m_efFullscreenMode == FSMODE_MAXIMIZED) {
             SMasterNodeData fakeNode;
             fakeNode.pWindow                = PFULLWINDOW;
             fakeNode.position               = PMONITOR->vecPosition + PMONITOR->vecReservedTopLeft;
@@ -644,11 +645,12 @@ void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
     // if user specified them in config
     const auto WORKSPACERULE = g_pConfigManager->getWorkspaceRuleFor(PWINDOW->m_pWorkspace);
 
-    if (PWINDOW->m_bIsFullscreen && !pNode->ignoreFullscreenChecks)
+    if (PWINDOW->isFullscreen() && !pNode->ignoreFullscreenChecks)
         return;
 
     PWINDOW->unsetWindowData(PRIORITY_LAYOUT);
     PWINDOW->updateWindowData();
+    PWINDOW->updateWindowDecos();
 
     static auto PNOGAPSWHENONLY = CConfigValue<Hyprlang::INT>("master:no_gaps_when_only");
     static auto PANIMATE        = CConfigValue<Hyprlang::INT>("misc:animate_manual_resizes");
@@ -668,8 +670,7 @@ void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
     PWINDOW->m_vSize     = pNode->size;
     PWINDOW->m_vPosition = pNode->position;
 
-    if (*PNOGAPSWHENONLY && !PWINDOW->onSpecialWorkspace() &&
-        (getNodesOnWorkspace(PWINDOW->workspaceID()) == 1 || (PWINDOW->m_bIsFullscreen && PWINDOW->m_pWorkspace->m_efFullscreenMode == FULLSCREEN_MAXIMIZED))) {
+    if (*PNOGAPSWHENONLY && !PWINDOW->onSpecialWorkspace() && (getNodesOnWorkspace(PWINDOW->workspaceID()) == 1 || PWINDOW->isEffectiveInternalFSMode(FSMODE_MAXIMIZED))) {
 
         PWINDOW->m_sWindowData.decorate   = CWindowOverridableVar(true, PRIORITY_LAYOUT);
         PWINDOW->m_sWindowData.noBorder   = CWindowOverridableVar(*PNOGAPSWHENONLY != 2, PRIORITY_LAYOUT);
@@ -702,7 +703,7 @@ void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
     calcPos             = calcPos + RESERVED.topLeft;
     calcSize            = calcSize - (RESERVED.topLeft + RESERVED.bottomRight);
 
-    if (PWINDOW->onSpecialWorkspace() && !PWINDOW->m_bIsFullscreen) {
+    if (PWINDOW->onSpecialWorkspace() && !PWINDOW->isFullscreen()) {
         static auto PSCALEFACTOR = CConfigValue<Hyprlang::FLOAT>("master:special_scale_factor");
 
         CBox        wb = {calcPos + (calcSize - calcSize * *PSCALEFACTOR) / 2.f, calcSize * *PSCALEFACTOR};
@@ -880,41 +881,19 @@ void CHyprMasterLayout::resizeActiveWindow(const Vector2D& pixResize, eRectCorne
     m_bForceWarps = false;
 }
 
-void CHyprMasterLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscreenMode fullscreenMode, bool on) {
-    if (!validMapped(pWindow))
-        return;
-
-    if (on == pWindow->m_bIsFullscreen)
-        return; // ignore
-
+void CHyprMasterLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, const eFullscreenMode CURRENT_EFFECTIVE_MODE, const eFullscreenMode EFFECTIVE_MODE) {
     const auto PMONITOR   = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
     const auto PWORKSPACE = pWindow->m_pWorkspace;
 
-    if (PWORKSPACE->m_bHasFullscreenWindow && on) {
-        // if the window wants to be fullscreen but there already is one,
-        // ignore the request.
-        return;
-    }
-
     // save position and size if floating
-    if (pWindow->m_bIsFloating && on) {
+    if (pWindow->m_bIsFloating && CURRENT_EFFECTIVE_MODE == FSMODE_NONE) {
         pWindow->m_vLastFloatingSize     = pWindow->m_vRealSize.goal();
         pWindow->m_vLastFloatingPosition = pWindow->m_vRealPosition.goal();
         pWindow->m_vPosition             = pWindow->m_vRealPosition.goal();
         pWindow->m_vSize                 = pWindow->m_vRealSize.goal();
     }
 
-    // otherwise, accept it.
-    pWindow->m_bIsFullscreen           = on;
-    PWORKSPACE->m_bHasFullscreenWindow = !PWORKSPACE->m_bHasFullscreenWindow;
-
-    pWindow->updateDynamicRules();
-    pWindow->updateWindowDecos();
-
-    g_pEventManager->postEvent(SHyprIPCEvent{"fullscreen", std::to_string((int)on)});
-    EMIT_HOOK_EVENT("fullscreen", pWindow);
-
-    if (!pWindow->m_bIsFullscreen) {
+    if (EFFECTIVE_MODE == FSMODE_NONE) {
         // if it got its fullscreen disabled, set back its node if it had one
         const auto PNODE = getNodeFromWindow(pWindow);
         if (PNODE)
@@ -928,12 +907,8 @@ void CHyprMasterLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscree
             pWindow->updateWindowData();
         }
     } else {
-        // if it now got fullscreen, make it fullscreen
-
-        PWORKSPACE->m_efFullscreenMode = fullscreenMode;
-
         // apply new pos and size being monitors' box
-        if (fullscreenMode == FULLSCREEN_FULL) {
+        if (EFFECTIVE_MODE == FSMODE_FULLSCREEN) {
             pWindow->m_vRealPosition = PMONITOR->vecPosition;
             pWindow->m_vRealSize     = PMONITOR->vecSize;
         } else {
@@ -954,13 +929,7 @@ void CHyprMasterLayout::fullscreenRequestForWindow(PHLWINDOW pWindow, eFullscree
         }
     }
 
-    g_pCompositor->updateWindowAnimatedDecorationValues(pWindow);
-
-    g_pXWaylandManager->setWindowSize(pWindow, pWindow->m_vRealSize.goal());
-
     g_pCompositor->changeWindowZOrder(pWindow, true);
-
-    recalculateMonitor(PMONITOR->ID);
 }
 
 void CHyprMasterLayout::recalculateWindow(PHLWINDOW pWindow) {
@@ -1081,14 +1050,14 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
         if (!validMapped(PWINDOWTOCHANGETO))
             return;
 
-        if (header.pWindow->m_bIsFullscreen) {
+        if (header.pWindow->isFullscreen()) {
             const auto  PWORKSPACE        = header.pWindow->m_pWorkspace;
-            const auto  FSMODE            = PWORKSPACE->m_efFullscreenMode;
+            const auto  FSMODE            = header.pWindow->m_sFullscreenState.internal;
             static auto INHERITFULLSCREEN = CConfigValue<Hyprlang::INT>("master:inherit_fullscreen");
-            g_pCompositor->setWindowFullscreen(header.pWindow, false, FULLSCREEN_FULL);
+            g_pCompositor->setWindowFullscreenInternal(header.pWindow, FSMODE_NONE);
             g_pCompositor->focusWindow(PWINDOWTOCHANGETO);
             if (*INHERITFULLSCREEN)
-                g_pCompositor->setWindowFullscreen(PWINDOWTOCHANGETO, true, FSMODE);
+                g_pCompositor->setWindowFullscreenInternal(PWINDOWTOCHANGETO, FSMODE);
         } else {
             g_pCompositor->focusWindow(PWINDOWTOCHANGETO);
             g_pCompositor->warpCursorTo(PWINDOWTOCHANGETO->middle());
@@ -1208,7 +1177,7 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
         const auto PWINDOWTOSWAPWITH = getNextWindow(header.pWindow, true);
 
         if (PWINDOWTOSWAPWITH) {
-            g_pCompositor->setWindowFullscreen(header.pWindow, false, FULLSCREEN_FULL);
+            g_pCompositor->setWindowFullscreenInternal(header.pWindow, FSMODE_NONE);
             switchWindows(header.pWindow, PWINDOWTOSWAPWITH);
             switchToWindow(header.pWindow);
         }
@@ -1224,7 +1193,7 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
         const auto PWINDOWTOSWAPWITH = getNextWindow(header.pWindow, false);
 
         if (PWINDOWTOSWAPWITH) {
-            g_pCompositor->setWindowFullscreen(header.pWindow, false, FULLSCREEN_FULL);
+            g_pCompositor->setWindowFullscreenClient(header.pWindow, FSMODE_NONE);
             switchWindows(header.pWindow, PWINDOWTOSWAPWITH);
             switchToWindow(header.pWindow);
         }
@@ -1243,7 +1212,8 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
 
         if (MASTERS + 2 > WINDOWS && *SMALLSPLIT == 0)
             return 0;
-        g_pCompositor->setWindowFullscreen(header.pWindow, false, FULLSCREEN_FULL);
+
+        g_pCompositor->setWindowFullscreenInternal(header.pWindow, FSMODE_NONE);
 
         if (!PNODE || PNODE->isMaster) {
             // first non-master node
@@ -1275,7 +1245,7 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
         if (WINDOWS < 2 || MASTERS < 2)
             return 0;
 
-        g_pCompositor->setWindowFullscreen(header.pWindow, false, FULLSCREEN_FULL);
+        g_pCompositor->setWindowFullscreenInternal(header.pWindow, FSMODE_NONE);
 
         if (!PNODE || !PNODE->isMaster) {
             // first non-master node
@@ -1296,7 +1266,7 @@ std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::stri
         if (!PWINDOW)
             return 0;
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, false, FULLSCREEN_FULL);
+        g_pCompositor->setWindowFullscreenInternal(PWINDOW, FSMODE_NONE);
 
         const auto PWORKSPACEDATA = getMasterWorkspaceData(PWINDOW->workspaceID());
 
@@ -1392,7 +1362,7 @@ void CHyprMasterLayout::runOrientationCycle(SLayoutMessageHeader& header, CVarLi
     if (!PWINDOW)
         return;
 
-    g_pCompositor->setWindowFullscreen(PWINDOW, false, FULLSCREEN_FULL);
+    g_pCompositor->setWindowFullscreenInternal(PWINDOW, FSMODE_NONE);
 
     const auto PWORKSPACEDATA = getMasterWorkspaceData(PWINDOW->workspaceID());
 
diff --git a/src/layout/MasterLayout.hpp b/src/layout/MasterLayout.hpp
index 30d5b3cf..fdb916e5 100644
--- a/src/layout/MasterLayout.hpp
+++ b/src/layout/MasterLayout.hpp
@@ -58,7 +58,7 @@ class CHyprMasterLayout : public IHyprLayout {
     virtual void                     recalculateMonitor(const int&);
     virtual void                     recalculateWindow(PHLWINDOW);
     virtual void                     resizeActiveWindow(const Vector2D&, eRectCorner corner = CORNER_NONE, PHLWINDOW pWindow = nullptr);
-    virtual void                     fullscreenRequestForWindow(PHLWINDOW, eFullscreenMode, bool);
+    virtual void                     fullscreenRequestForWindow(PHLWINDOW pWindow, const eFullscreenMode CURRENT_EFFECTIVE_MODE, const eFullscreenMode EFFECTIVE_MODE);
     virtual std::any                 layoutMessage(SLayoutMessageHeader, std::string);
     virtual SWindowRenderLayoutHints requestRenderHints(PHLWINDOW);
     virtual void                     switchWindows(PHLWINDOW, PHLWINDOW);
diff --git a/src/managers/KeybindManager.cpp b/src/managers/KeybindManager.cpp
index 823e2d2e..33b07351 100644
--- a/src/managers/KeybindManager.cpp
+++ b/src/managers/KeybindManager.cpp
@@ -68,7 +68,7 @@ CKeybindManager::CKeybindManager() {
     m_mDispatchers["workspace"]                      = changeworkspace;
     m_mDispatchers["renameworkspace"]                = renameWorkspace;
     m_mDispatchers["fullscreen"]                     = fullscreenActive;
-    m_mDispatchers["fakefullscreen"]                 = fakeFullscreenActive;
+    m_mDispatchers["fullscreenstate"]                = fullscreenStateActive;
     m_mDispatchers["movetoworkspace"]                = moveActiveToWorkspace;
     m_mDispatchers["movetoworkspacesilent"]          = moveActiveToWorkspaceSilent;
     m_mDispatchers["pseudo"]                         = toggleActivePseudo;
@@ -319,17 +319,17 @@ void CKeybindManager::switchToWindow(PHLWINDOW PWINDOWTOCHANGETO) {
     // remove constraints
     g_pInputManager->unconstrainMouse();
 
-    if (PLASTWINDOW && PLASTWINDOW->m_pWorkspace == PWINDOWTOCHANGETO->m_pWorkspace && PLASTWINDOW->m_bIsFullscreen) {
+    if (PLASTWINDOW && PLASTWINDOW->m_pWorkspace == PWINDOWTOCHANGETO->m_pWorkspace && PLASTWINDOW->isFullscreen()) {
         const auto PWORKSPACE = PLASTWINDOW->m_pWorkspace;
-        const auto FSMODE     = PWORKSPACE->m_efFullscreenMode;
+        const auto MODE       = PWORKSPACE->m_efFullscreenMode;
 
         if (!PWINDOWTOCHANGETO->m_bPinned)
-            g_pCompositor->setWindowFullscreen(PLASTWINDOW, false, FULLSCREEN_FULL);
+            g_pCompositor->setWindowFullscreenInternal(PLASTWINDOW, FSMODE_NONE);
 
         g_pCompositor->focusWindow(PWINDOWTOCHANGETO);
 
         if (!PWINDOWTOCHANGETO->m_bPinned)
-            g_pCompositor->setWindowFullscreen(PWINDOWTOCHANGETO, true, FSMODE);
+            g_pCompositor->setWindowFullscreenInternal(PWINDOWTOCHANGETO, MODE);
     } else {
         updateRelativeCursorCoords();
         g_pCompositor->focusWindow(PWINDOWTOCHANGETO);
@@ -996,7 +996,7 @@ void CKeybindManager::setActiveTiled(std::string args) {
 void CKeybindManager::centerWindow(std::string args) {
     const auto PWINDOW = g_pCompositor->m_pLastWindow.lock();
 
-    if (!PWINDOW || !PWINDOW->m_bIsFloating || PWINDOW->m_bIsFullscreen)
+    if (!PWINDOW || !PWINDOW->m_bIsFloating || PWINDOW->isFullscreen())
         return;
 
     const auto PMONITOR = g_pCompositor->getMonitorFromID(PWINDOW->m_iMonitorID);
@@ -1022,7 +1022,7 @@ void CKeybindManager::toggleActivePseudo(std::string args) {
 
     PWINDOW->m_bIsPseudotiled = !PWINDOW->m_bIsPseudotiled;
 
-    if (!PWINDOW->m_bIsFullscreen)
+    if (!PWINDOW->isFullscreen())
         g_pLayoutManager->getCurrentLayout()->recalculateWindow(PWINDOW);
 }
 
@@ -1149,10 +1149,34 @@ void CKeybindManager::fullscreenActive(std::string args) {
     if (!PWINDOW)
         return;
 
-    PWINDOW->m_bDontSendFullscreen = false;
-    if (args == "2")
-        PWINDOW->m_bDontSendFullscreen = true;
-    g_pCompositor->setWindowFullscreen(PWINDOW, !PWINDOW->m_bIsFullscreen, args == "1" ? FULLSCREEN_MAXIMIZED : FULLSCREEN_FULL);
+    const eFullscreenMode MODE = args == "1" ? FSMODE_MAXIMIZED : FSMODE_FULLSCREEN;
+
+    if (PWINDOW->isEffectiveInternalFSMode(MODE))
+        g_pCompositor->setWindowFullscreenInternal(PWINDOW, FSMODE_NONE);
+    else
+        g_pCompositor->setWindowFullscreenInternal(PWINDOW, MODE);
+}
+
+void CKeybindManager::fullscreenStateActive(std::string args) {
+    const auto PWINDOW = g_pCompositor->m_pLastWindow.lock();
+    const auto ARGS    = CVarList(args, 2, ' ');
+
+    if (!PWINDOW)
+        return;
+
+    PWINDOW->m_sWindowData.syncFullscreen = CWindowOverridableVar(false, PRIORITY_SET_PROP);
+
+    int internalMode, clientMode;
+    try {
+        internalMode = std::stoi(ARGS[0]);
+    } catch (std::exception& e) { internalMode = -1; }
+    try {
+        clientMode = std::stoi(ARGS[1]);
+    } catch (std::exception& e) { clientMode = -1; }
+
+    g_pCompositor->setWindowFullscreenState(PWINDOW,
+                                            sFullscreenState{.internal = (internalMode != -1 ? (eFullscreenMode)internalMode : PWINDOW->m_sFullscreenState.internal),
+                                                             .client   = (clientMode != -1 ? (eFullscreenMode)clientMode : PWINDOW->m_sFullscreenState.client)});
 }
 
 void CKeybindManager::moveActiveToWorkspace(std::string args) {
@@ -1277,7 +1301,7 @@ void CKeybindManager::moveFocusTo(std::string args) {
         return;
     }
 
-    const auto PWINDOWTOCHANGETO = *PFULLCYCLE && PLASTWINDOW->m_bIsFullscreen ?
+    const auto PWINDOWTOCHANGETO = *PFULLCYCLE && PLASTWINDOW->isFullscreen() ?
         (arg == 'd' || arg == 'b' || arg == 'r' ? g_pCompositor->getNextWindowOnWorkspace(PLASTWINDOW, true) : g_pCompositor->getPrevWindowOnWorkspace(PLASTWINDOW, true)) :
         g_pCompositor->getWindowInDirection(PLASTWINDOW, arg);
 
@@ -1334,7 +1358,7 @@ void CKeybindManager::swapActive(std::string args) {
 
     Debug::log(LOG, "Swapping active window in direction {}", arg);
     const auto PLASTWINDOW = g_pCompositor->m_pLastWindow.lock();
-    if (!PLASTWINDOW || PLASTWINDOW->m_bIsFullscreen)
+    if (!PLASTWINDOW || PLASTWINDOW->isFullscreen())
         return;
 
     const auto PWINDOWTOCHANGETO = g_pCompositor->getWindowInDirection(PLASTWINDOW, arg);
@@ -1372,7 +1396,7 @@ void CKeybindManager::moveActiveTo(std::string args) {
 
     const auto PLASTWINDOW = g_pCompositor->m_pLastWindow.lock();
 
-    if (!PLASTWINDOW || PLASTWINDOW->m_bIsFullscreen)
+    if (!PLASTWINDOW || PLASTWINDOW->isFullscreen())
         return;
 
     if (PLASTWINDOW->m_bIsFloating) {
@@ -1427,7 +1451,8 @@ void CKeybindManager::toggleGroup(std::string args) {
     if (!PWINDOW)
         return;
 
-    g_pCompositor->setWindowFullscreen(PWINDOW, false, FULLSCREEN_FULL);
+    if (PWINDOW->isFullscreen())
+        g_pCompositor->setWindowFullscreenInternal(PWINDOW, FSMODE_NONE);
 
     if (PWINDOW->m_sGroupData.pNextWindow.expired())
         PWINDOW->createGroup();
@@ -1819,7 +1844,7 @@ void CKeybindManager::forceRendererReload(std::string args) {
 void CKeybindManager::resizeActive(std::string args) {
     const auto PLASTWINDOW = g_pCompositor->m_pLastWindow.lock();
 
-    if (!PLASTWINDOW || PLASTWINDOW->m_bIsFullscreen)
+    if (!PLASTWINDOW || PLASTWINDOW->isFullscreen())
         return;
 
     const auto SIZ = g_pCompositor->parseWindowVectorArgsRelative(args, PLASTWINDOW->m_vRealSize.goal());
@@ -1836,7 +1861,7 @@ void CKeybindManager::resizeActive(std::string args) {
 void CKeybindManager::moveActive(std::string args) {
     const auto PLASTWINDOW = g_pCompositor->m_pLastWindow.lock();
 
-    if (!PLASTWINDOW || PLASTWINDOW->m_bIsFullscreen)
+    if (!PLASTWINDOW || PLASTWINDOW->isFullscreen())
         return;
 
     const auto POS = g_pCompositor->parseWindowVectorArgsRelative(args, PLASTWINDOW->m_vRealPosition.goal());
@@ -1856,7 +1881,7 @@ void CKeybindManager::moveWindow(std::string args) {
         return;
     }
 
-    if (PWINDOW->m_bIsFullscreen)
+    if (PWINDOW->isFullscreen())
         return;
 
     const auto POS = g_pCompositor->parseWindowVectorArgsRelative(MOVECMD, PWINDOW->m_vRealPosition.goal());
@@ -1876,7 +1901,7 @@ void CKeybindManager::resizeWindow(std::string args) {
         return;
     }
 
-    if (PWINDOW->m_bIsFullscreen)
+    if (PWINDOW->isFullscreen())
         return;
 
     const auto SIZ = g_pCompositor->parseWindowVectorArgsRelative(MOVECMD, PWINDOW->m_vRealSize.goal());
@@ -1953,12 +1978,12 @@ void CKeybindManager::focusWindow(std::string regexp) {
             g_pCompositor->focusWindow(PWINDOW);
         } else {
             if (FSWINDOW != PWINDOW && !PWINDOW->m_bPinned)
-                g_pCompositor->setWindowFullscreen(FSWINDOW, false, FULLSCREEN_FULL);
+                g_pCompositor->setWindowFullscreenClient(FSWINDOW, FSMODE_NONE);
 
             g_pCompositor->focusWindow(PWINDOW);
 
             if (FSWINDOW != PWINDOW && !PWINDOW->m_bPinned)
-                g_pCompositor->setWindowFullscreen(PWINDOW, true, FSMODE);
+                g_pCompositor->setWindowFullscreenClient(PWINDOW, FSMODE);
         }
     } else
         g_pCompositor->focusWindow(PWINDOW);
@@ -2330,7 +2355,7 @@ void CKeybindManager::pinActive(std::string args) {
         return;
     }
 
-    if (!PWINDOW->m_bIsFloating || PWINDOW->m_bIsFullscreen)
+    if (!PWINDOW->m_bIsFloating || PWINDOW->isFullscreen())
         return;
 
     PWINDOW->m_bPinned = !PWINDOW->m_bPinned;
@@ -2388,7 +2413,7 @@ void CKeybindManager::changeMouseBindMode(const eMouseBindMode MODE) {
         if (!PWINDOW)
             return;
 
-        if (!PWINDOW->m_bIsFullscreen && MODE == MBIND_MOVE)
+        if (!PWINDOW->isFullscreen() && MODE == MBIND_MOVE)
             PWINDOW->checkInputOnDecos(INPUT_TYPE_DRAG_START, MOUSECOORDS);
 
         if (g_pInputManager->currentlyDraggedWindow.expired())
@@ -2436,14 +2461,6 @@ void CKeybindManager::alterZOrder(std::string args) {
     g_pInputManager->simulateMouseMovement();
 }
 
-void CKeybindManager::fakeFullscreenActive(std::string args) {
-    if (!g_pCompositor->m_pLastWindow.expired()) {
-        // will also set the flag
-        g_pCompositor->m_pLastWindow->m_bFakeFullscreenState = !g_pCompositor->m_pLastWindow->m_bFakeFullscreenState;
-        g_pXWaylandManager->setWindowFullscreen(g_pCompositor->m_pLastWindow.lock(), g_pCompositor->m_pLastWindow->shouldSendFullscreenState());
-    }
-}
-
 void CKeybindManager::lockGroups(std::string args) {
     if (args == "lock" || args.empty() || args == "lockgroups")
         g_pKeybindManager->m_bGroupsLocked = true;
@@ -2603,7 +2620,7 @@ void CKeybindManager::moveWindowOrGroup(std::string args) {
     }
 
     const auto PWINDOW = g_pCompositor->m_pLastWindow.lock();
-    if (!PWINDOW || PWINDOW->m_bIsFullscreen)
+    if (!PWINDOW || PWINDOW->isFullscreen())
         return;
 
     if (!*PIGNOREGROUPLOCK && g_pKeybindManager->m_bGroupsLocked) {
diff --git a/src/managers/KeybindManager.hpp b/src/managers/KeybindManager.hpp
index 26a6345b..26b42b00 100644
--- a/src/managers/KeybindManager.hpp
+++ b/src/managers/KeybindManager.hpp
@@ -155,7 +155,7 @@ class CKeybindManager {
     static void     setActiveTiled(std::string);
     static void     changeworkspace(std::string);
     static void     fullscreenActive(std::string);
-    static void     fakeFullscreenActive(std::string);
+    static void     fullscreenStateActive(std::string args);
     static void     moveActiveToWorkspace(std::string);
     static void     moveActiveToWorkspaceSilent(std::string);
     static void     moveFocusTo(std::string);
diff --git a/src/managers/input/IdleInhibitor.cpp b/src/managers/input/IdleInhibitor.cpp
index da2429bc..2c335a7e 100644
--- a/src/managers/input/IdleInhibitor.cpp
+++ b/src/managers/input/IdleInhibitor.cpp
@@ -63,7 +63,7 @@ void CInputManager::recheckIdleInhibitorStatus() {
             return;
         }
 
-        if (w->m_eIdleInhibitMode == IDLEINHIBIT_FULLSCREEN && w->m_bIsFullscreen && g_pCompositor->isWorkspaceVisible(w->m_pWorkspace)) {
+        if (w->m_eIdleInhibitMode == IDLEINHIBIT_FULLSCREEN && w->isFullscreen() && g_pCompositor->isWorkspaceVisible(w->m_pWorkspace)) {
             PROTO::idle->setInhibit(true);
             return;
         }
diff --git a/src/managers/input/InputManager.cpp b/src/managers/input/InputManager.cpp
index 014de40a..8c38893f 100644
--- a/src/managers/input/InputManager.cpp
+++ b/src/managers/input/InputManager.cpp
@@ -298,7 +298,7 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
 
     // then, we check if the workspace doesnt have a fullscreen window
     const auto PWORKSPACE = PMONITOR->activeWorkspace;
-    if (PWORKSPACE->m_bHasFullscreenWindow && !foundSurface && PWORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL) {
+    if (PWORKSPACE->m_bHasFullscreenWindow && !foundSurface && PWORKSPACE->m_efFullscreenMode == FSMODE_FULLSCREEN) {
         pFoundWindow = g_pCompositor->getFullscreenWindowOnWorkspace(PWORKSPACE->m_iID);
 
         if (!pFoundWindow) {
@@ -325,7 +325,7 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
 
     // then windows
     if (!foundSurface) {
-        if (PWORKSPACE->m_bHasFullscreenWindow && PWORKSPACE->m_efFullscreenMode == FULLSCREEN_MAXIMIZED) {
+        if (PWORKSPACE->m_bHasFullscreenWindow && PWORKSPACE->m_efFullscreenMode == FSMODE_MAXIMIZED) {
             if (!foundSurface) {
                 if (PMONITOR->activeSpecialWorkspace) {
                     pFoundWindow = g_pCompositor->vectorToWindowUnified(mouseCoords, RESERVED_EXTENTS | INPUT_EXTENTS | ALLOW_FLOATING);
@@ -470,7 +470,7 @@ void CInputManager::mouseMoveUnified(uint32_t time, bool refocus) {
     else if (pFoundWindow) {
         // change cursor icon if hovering over border
         if (*PRESIZEONBORDER && *PRESIZECURSORICON) {
-            if (!pFoundWindow->m_bIsFullscreen && !pFoundWindow->hasPopupAt(mouseCoords)) {
+            if (!pFoundWindow->isFullscreen() && !pFoundWindow->hasPopupAt(mouseCoords)) {
                 setCursorIconOnBorder(pFoundWindow);
             } else if (m_eBorderIconDirection != BORDERICON_NONE) {
                 unsetCursorImage();
@@ -681,7 +681,7 @@ void CInputManager::processMouseDownNormal(const IPointer::SButtonEvent& e) {
     // clicking on border triggers resize
     // TODO detect click on LS properly
     if (*PRESIZEONBORDER && !m_bLastFocusOnLS && e.state == WL_POINTER_BUTTON_STATE_PRESSED && (!w || w->m_iX11Type != 2)) {
-        if (w && !w->m_bIsFullscreen) {
+        if (w && !w->isFullscreen()) {
             const CBox real = {w->m_vRealPosition.value().x, w->m_vRealPosition.value().y, w->m_vRealSize.value().x, w->m_vRealSize.value().y};
             const CBox grab = {real.x - BORDER_GRAB_AREA, real.y - BORDER_GRAB_AREA, real.width + 2 * BORDER_GRAB_AREA, real.height + 2 * BORDER_GRAB_AREA};
 
diff --git a/src/managers/input/Swipe.cpp b/src/managers/input/Swipe.cpp
index 775881cd..c0e6c4f0 100644
--- a/src/managers/input/Swipe.cpp
+++ b/src/managers/input/Swipe.cpp
@@ -194,7 +194,7 @@ void CInputManager::endWorkspaceSwipe() {
 
     // apply alpha
     for (auto& ls : g_pCompositor->m_pLastMonitor->m_aLayerSurfaceLayers[2]) {
-        ls->alpha = pSwitchedTo->m_bHasFullscreenWindow && pSwitchedTo->m_efFullscreenMode == FULLSCREEN_FULL ? 0.f : 1.f;
+        ls->alpha = pSwitchedTo->m_bHasFullscreenWindow && pSwitchedTo->m_efFullscreenMode == FSMODE_FULLSCREEN ? 0.f : 1.f;
     }
 }
 
diff --git a/src/protocols/ForeignToplevelWlr.cpp b/src/protocols/ForeignToplevelWlr.cpp
index 2b378386..295834ea 100644
--- a/src/protocols/ForeignToplevelWlr.cpp
+++ b/src/protocols/ForeignToplevelWlr.cpp
@@ -51,7 +51,7 @@ CForeignToplevelHandleWlr::CForeignToplevelHandleWlr(SP<CZwlrForeignToplevelHand
             }
         }
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, true, FULLSCREEN_FULL);
+        g_pCompositor->changeWindowFullscreenModeClient(PWINDOW, FSMODE_FULLSCREEN, true);
         g_pHyprRenderer->damageWindow(PWINDOW);
     });
 
@@ -64,7 +64,7 @@ CForeignToplevelHandleWlr::CForeignToplevelHandleWlr(SP<CZwlrForeignToplevelHand
         if (PWINDOW->m_eSuppressedEvents & SUPPRESS_FULLSCREEN)
             return;
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, false);
+        g_pCompositor->changeWindowFullscreenModeClient(PWINDOW, FSMODE_FULLSCREEN, false);
     });
 
     resource->setSetMaximized([this](CZwlrForeignToplevelHandleV1* p) {
@@ -81,7 +81,7 @@ CForeignToplevelHandleWlr::CForeignToplevelHandleWlr(SP<CZwlrForeignToplevelHand
             return;
         }
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, true, FULLSCREEN_MAXIMIZED);
+        g_pCompositor->changeWindowFullscreenModeClient(PWINDOW, FSMODE_MAXIMIZED, true);
     });
 
     resource->setUnsetMaximized([this](CZwlrForeignToplevelHandleV1* p) {
@@ -93,7 +93,7 @@ CForeignToplevelHandleWlr::CForeignToplevelHandleWlr(SP<CZwlrForeignToplevelHand
         if (PWINDOW->m_eSuppressedEvents & SUPPRESS_MAXIMIZE)
             return;
 
-        g_pCompositor->setWindowFullscreen(PWINDOW, false);
+        g_pCompositor->changeWindowFullscreenModeClient(PWINDOW, FSMODE_MAXIMIZED, false);
     });
 
     resource->setClose([this](CZwlrForeignToplevelHandleV1* p) {
@@ -155,9 +155,9 @@ void CForeignToplevelHandleWlr::sendState() {
         *p     = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_ACTIVATED;
     }
 
-    if (PWINDOW->m_bIsFullscreen) {
+    if (PWINDOW->isFullscreen()) {
         auto p = (uint32_t*)wl_array_add(&state, sizeof(uint32_t));
-        if (PWINDOW->m_pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL)
+        if (PWINDOW->isEffectiveInternalFSMode(FSMODE_FULLSCREEN))
             *p = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_FULLSCREEN;
         else
             *p = ZWLR_FOREIGN_TOPLEVEL_HANDLE_V1_STATE_MAXIMIZED;
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index b5397598..e4f97895 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -269,7 +269,7 @@ bool CHyprRenderer::shouldRenderWindow(PHLWINDOW pWindow, CMonitor* pMonitor) {
             return true;
 
         // if hidden behind fullscreen
-        if (PWINDOWWORKSPACE->m_bHasFullscreenWindow && !pWindow->m_bIsFullscreen && (!pWindow->m_bIsFloating || !pWindow->m_bCreatedOverFullscreen) &&
+        if (PWINDOWWORKSPACE->m_bHasFullscreenWindow && !pWindow->isFullscreen() && (!pWindow->m_bIsFloating || !pWindow->m_bCreatedOverFullscreen) &&
             pWindow->m_fAlpha.value() == 0)
             return false;
 
@@ -285,7 +285,7 @@ bool CHyprRenderer::shouldRenderWindow(PHLWINDOW pWindow, CMonitor* pMonitor) {
 
     // if not, check if it maybe is active on a different monitor.
     if (g_pCompositor->isWorkspaceVisible(pWindow->m_pWorkspace) && pWindow->m_bIsFloating /* tiled windows can't be multi-ws */)
-        return !pWindow->m_bIsFullscreen; // Do not draw fullscreen windows on other monitors
+        return !pWindow->isFullscreen(); // Do not draw fullscreen windows on other monitors
 
     if (pMonitor->activeSpecialWorkspace == pWindow->m_pWorkspace)
         return true;
@@ -352,7 +352,7 @@ void CHyprRenderer::renderWorkspaceWindowsFullscreen(CMonitor* pMonitor, PHLWORK
         if (w->m_fAlpha.value() == 0.f)
             continue;
 
-        if (w->m_bIsFullscreen || w->m_bIsFloating)
+        if (w->isFullscreen() || w->m_bIsFloating)
             continue;
 
         if (pWorkspace->m_bIsSpecialWorkspace != w->onSpecialWorkspace())
@@ -369,7 +369,7 @@ void CHyprRenderer::renderWorkspaceWindowsFullscreen(CMonitor* pMonitor, PHLWORK
         if (w->m_fAlpha.value() == 0.f)
             continue;
 
-        if (w->m_bIsFullscreen || !w->m_bIsFloating)
+        if (w->isFullscreen() || !w->m_bIsFloating)
             continue;
 
         if (w->m_iMonitorID == pWorkspace->m_iMonitorID && pWorkspace->m_bIsSpecialWorkspace != w->onSpecialWorkspace())
@@ -385,7 +385,7 @@ void CHyprRenderer::renderWorkspaceWindowsFullscreen(CMonitor* pMonitor, PHLWORK
     for (auto& w : g_pCompositor->m_vWindows) {
         const auto PWORKSPACE = w->m_pWorkspace;
 
-        if (w->m_pWorkspace != pWorkspace || !w->m_bIsFullscreen) {
+        if (w->m_pWorkspace != pWorkspace || !w->isFullscreen()) {
             if (!(PWORKSPACE && (PWORKSPACE->m_vRenderOffset.isBeingAnimated() || PWORKSPACE->m_fAlpha.isBeingAnimated() || PWORKSPACE->m_bForceRendering)))
                 continue;
 
@@ -393,14 +393,14 @@ void CHyprRenderer::renderWorkspaceWindowsFullscreen(CMonitor* pMonitor, PHLWORK
                 continue;
         }
 
-        if (!w->m_bIsFullscreen)
+        if (!w->isFullscreen())
             continue;
 
         if (w->m_iMonitorID == pWorkspace->m_iMonitorID && pWorkspace->m_bIsSpecialWorkspace != w->onSpecialWorkspace())
             continue;
 
         if (shouldRenderWindow(w, pMonitor))
-            renderWindow(w, pMonitor, time, pWorkspace->m_efFullscreenMode != FULLSCREEN_FULL, RENDER_PASS_ALL);
+            renderWindow(w, pMonitor, time, pWorkspace->m_efFullscreenMode != FSMODE_FULLSCREEN, RENDER_PASS_ALL);
 
         if (w->m_pWorkspace != pWorkspace)
             continue;
@@ -416,7 +416,7 @@ void CHyprRenderer::renderWorkspaceWindowsFullscreen(CMonitor* pMonitor, PHLWORK
 
     // then render windows over fullscreen.
     for (auto& w : g_pCompositor->m_vWindows) {
-        if (w->m_pWorkspace != pWorkspaceWindow->m_pWorkspace || (!w->m_bCreatedOverFullscreen && !w->m_bPinned) || (!w->m_bIsMapped && !w->m_bFadingOut) || w->m_bIsFullscreen)
+        if (w->m_pWorkspace != pWorkspaceWindow->m_pWorkspace || (!w->m_bCreatedOverFullscreen && !w->m_bPinned) || (!w->m_bIsMapped && !w->m_bFadingOut) || w->isFullscreen())
             continue;
 
         if (w->m_iMonitorID == pWorkspace->m_iMonitorID && pWorkspace->m_bIsSpecialWorkspace != w->onSpecialWorkspace())
@@ -538,10 +538,10 @@ void CHyprRenderer::renderWindow(PHLWINDOW pWindow, CMonitor* pMonitor, timespec
         decorate = false;
 
     renderdata.surface   = pWindow->m_pWLSurface->resource();
-    renderdata.dontRound = (pWindow->m_bIsFullscreen && PWORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL) || pWindow->m_sWindowData.noRounding.valueOrDefault();
+    renderdata.dontRound = pWindow->isEffectiveInternalFSMode(FSMODE_FULLSCREEN) || pWindow->m_sWindowData.noRounding.valueOrDefault();
     renderdata.fadeAlpha = pWindow->m_fAlpha.value() * (pWindow->m_bPinned ? 1.f : PWORKSPACE->m_fAlpha.value());
     renderdata.alpha     = pWindow->m_fActiveInactiveAlpha.value();
-    renderdata.decorate  = decorate && !pWindow->m_bX11DoesntWantBorders && (!pWindow->m_bIsFullscreen || PWORKSPACE->m_efFullscreenMode != FULLSCREEN_FULL);
+    renderdata.decorate  = decorate && !pWindow->m_bX11DoesntWantBorders && !pWindow->isEffectiveInternalFSMode(FSMODE_FULLSCREEN);
     renderdata.rounding  = ignoreAllGeometry || renderdata.dontRound ? 0 : pWindow->rounding() * pMonitor->scale;
     renderdata.blur      = !ignoreAllGeometry; // if it shouldn't, it will be ignored later
     renderdata.pWindow   = pWindow;
@@ -568,7 +568,7 @@ void CHyprRenderer::renderWindow(PHLWINDOW pWindow, CMonitor* pMonitor, timespec
     renderdata.y += pWindow->m_vFloatingOffset.y;
 
     // if window is floating and we have a slide animation, clip it to its full bb
-    if (!ignorePosition && pWindow->m_bIsFloating && !pWindow->m_bIsFullscreen && PWORKSPACE->m_vRenderOffset.isBeingAnimated() && !pWindow->m_bPinned) {
+    if (!ignorePosition && pWindow->m_bIsFloating && !pWindow->isFullscreen() && PWORKSPACE->m_vRenderOffset.isBeingAnimated() && !pWindow->m_bPinned) {
         CRegion rg =
             pWindow->getFullWindowBoundingBox().translate(-pMonitor->vecPosition + PWORKSPACE->m_vRenderOffset.value() + pWindow->m_vFloatingOffset).scale(pMonitor->scale);
         g_pHyprOpenGL->m_RenderData.clipBox = rg.getExtents();
@@ -871,7 +871,7 @@ void CHyprRenderer::renderAllClientsForWorkspace(CMonitor* pMonitor, PHLWORKSPAC
     // if we have a fullscreen, opaque window that convers the screen, we can skip this.
     // TODO: check better with solitary after MR for tearing.
     const auto PFULLWINDOW = pWorkspace ? g_pCompositor->getFullscreenWindowOnWorkspace(pWorkspace->m_iID) : nullptr;
-    if (!pWorkspace->m_bHasFullscreenWindow || pWorkspace->m_efFullscreenMode != FULLSCREEN_FULL || !PFULLWINDOW || PFULLWINDOW->m_vRealSize.isBeingAnimated() ||
+    if (!pWorkspace->m_bHasFullscreenWindow || pWorkspace->m_efFullscreenMode != FSMODE_FULLSCREEN || !PFULLWINDOW || PFULLWINDOW->m_vRealSize.isBeingAnimated() ||
         !PFULLWINDOW->opaque() || pWorkspace->m_vRenderOffset.value() != Vector2D{} || g_pHyprOpenGL->preBlurQueued()) {
 
         if (!g_pHyprOpenGL->m_RenderData.pCurrentMonData->blurFBShouldRender)
diff --git a/src/render/decorations/CHyprGroupBarDecoration.cpp b/src/render/decorations/CHyprGroupBarDecoration.cpp
index a13750d0..8163a8c1 100644
--- a/src/render/decorations/CHyprGroupBarDecoration.cpp
+++ b/src/render/decorations/CHyprGroupBarDecoration.cpp
@@ -464,7 +464,7 @@ bool CHyprGroupBarDecoration::onEndWindowDragOnDeco(const Vector2D& pos, PHLWIND
 
 bool CHyprGroupBarDecoration::onMouseButtonOnDeco(const Vector2D& pos, const IPointer::SButtonEvent& e) {
     static auto PSTACKED = CConfigValue<Hyprlang::INT>("group:groupbar:stacked");
-    if (m_pWindow->m_bIsFullscreen && m_pWindow->m_pWorkspace->m_efFullscreenMode == FULLSCREEN_FULL)
+    if (m_pWindow->isEffectiveInternalFSMode(FSMODE_FULLSCREEN))
         return true;
 
     const float BARRELATIVEX = pos.x - assignedBoxGlobal().x;