added master layout

10 files changed, 530 insertions, 5 deletions

diff --git a/src/Compositor.cpp b/src/Compositor.cpp
index 14726df8..e70f2e32 100644
--- a/src/Compositor.cpp
+++ b/src/Compositor.cpp
@@ -227,6 +227,9 @@ void CCompositor::startCompositor() {
     Debug::log(LOG, "Creating the AnimationManager!");
     g_pAnimationManager = std::make_unique<CAnimationManager>();
 
+    Debug::log(LOG, "Creating the LayoutManager!");
+    g_pLayoutManager = std::make_unique<CLayoutManager>();
+
     Debug::log(LOG, "Creating the ConfigManager!");
     g_pConfigManager = std::make_unique<CConfigManager>();
 
@@ -245,9 +248,6 @@ void CCompositor::startCompositor() {
     Debug::log(LOG, "Creating the XWaylandManager!");
     g_pXWaylandManager = std::make_unique<CHyprXWaylandManager>();
 
-    Debug::log(LOG, "Creating the LayoutManager!");
-    g_pLayoutManager = std::make_unique<CLayoutManager>();
-
     Debug::log(LOG, "Creating the EventManager!");
     g_pEventManager = std::make_unique<CEventManager>();
     g_pEventManager->startThread();
diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 00550878..250ee6e5 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -43,6 +43,8 @@ void CConfigManager::setDefaultVars() {
     configValues["general:col.active_border"].intValue = 0xffffffff;
     configValues["general:col.inactive_border"].intValue = 0xff444444;
     configValues["general:cursor_inactive_timeout"].intValue = 0;
+
+    configValues["general:layout"].strValue = "dwindle";
     
     configValues["misc:disable_hyprland_logo"].intValue = 0;
     configValues["misc:disable_splash_rendering"].intValue = 0;
@@ -80,6 +82,9 @@ void CConfigManager::setDefaultVars() {
     configValues["dwindle:special_scale_factor"].floatValue = 0.8f;
     configValues["dwindle:split_width_multiplier"].floatValue = 1.0f;
 
+    configValues["master:special_scale_factor"].floatValue = 0.8f;
+    configValues["master:new_is_master"].intValue = 1;
+
     configValues["animations:enabled"].intValue = 1;
     configValues["animations:speed"].floatValue = 7.f;
     configValues["animations:curve"].strValue = "default";
@@ -923,6 +928,9 @@ void CConfigManager::loadConfigLoadVars() {
     // Update window border colors
     g_pCompositor->updateAllWindowsAnimatedDecorationValues();
 
+    // update layout
+    g_pLayoutManager->switchToLayout(configValues["general:layout"].strValue);
+
     // Force the compositor to fully re-render all monitors
     for (auto& m : g_pCompositor->m_vMonitors)
         m->forceFullFrames = 2;
diff --git a/src/layout/DwindleLayout.cpp b/src/layout/DwindleLayout.cpp
index c356c8cc..307537d8 100644
--- a/src/layout/DwindleLayout.cpp
+++ b/src/layout/DwindleLayout.cpp
@@ -217,7 +217,7 @@ void CHyprDwindleLayout::onWindowCreatedTiling(CWindow* pWindow) {
             OPENINGON = getFirstNodeOnWorkspace(PMONITOR->activeWorkspace);
             
     } else
-        OPENINGON = getFirstNodeOnWorkspace(PMONITOR->activeWorkspace);
+        OPENINGON = getFirstNodeOnWorkspace(pWindow->m_iWorkspaceID);
 
     Debug::log(LOG, "OPENINGON: %x, Workspace: %i, Monitor: %i", OPENINGON, PNODE->workspaceID, PMONITOR->ID);
 
@@ -864,3 +864,16 @@ void CHyprDwindleLayout::toggleSplit(CWindow* pWindow) {
 std::string CHyprDwindleLayout::getLayoutName() {
     return "dwindle";
 }
+
+void CHyprDwindleLayout::onEnable() {
+    for (auto& w : g_pCompositor->m_vWindows) {
+        if (w->m_bIsFloating || !w->m_bMappedX11 || !w->m_bIsMapped || w->m_bHidden)
+            continue;
+
+        onWindowCreatedTiling(w.get());
+    }
+}
+
+void CHyprDwindleLayout::onDisable() {
+    m_lDwindleNodesData.clear();
+}
\ No newline at end of file
diff --git a/src/layout/DwindleLayout.hpp b/src/layout/DwindleLayout.hpp
index bd73a315..b60b87e0 100644
--- a/src/layout/DwindleLayout.hpp
+++ b/src/layout/DwindleLayout.hpp
@@ -55,6 +55,9 @@ public:
     virtual void        alterSplitRatioBy(CWindow*, float);
     virtual std::string getLayoutName();
 
+    virtual void        onEnable();
+    virtual void        onDisable();
+
 private:
 
     std::list<SDwindleNodeData>     m_lDwindleNodesData;
diff --git a/src/layout/IHyprLayout.hpp b/src/layout/IHyprLayout.hpp
index d214bf73..29f47405 100644
--- a/src/layout/IHyprLayout.hpp
+++ b/src/layout/IHyprLayout.hpp
@@ -16,6 +16,8 @@ enum eFullscreenMode : uint8_t;
 
 interface IHyprLayout {
 public:
+    virtual void        onEnable() = 0;
+    virtual void        onDisable() = 0;
 
     /*
         Called when a window is created (mapped)
diff --git a/src/layout/MasterLayout.cpp b/src/layout/MasterLayout.cpp
new file mode 100644
index 00000000..f88ee08f
--- /dev/null
+++ b/src/layout/MasterLayout.cpp
@@ -0,0 +1,421 @@
+#include "MasterLayout.hpp"
+#include "../Compositor.hpp"
+
+SMasterNodeData* CHyprMasterLayout::getNodeFromWindow(CWindow* pWindow) {
+    for (auto& nd : m_lMasterNodesData) {
+        if (nd.pWindow == pWindow)
+            return &nd;
+    }
+
+    return nullptr;
+}
+
+int CHyprMasterLayout::getNodesOnWorkspace(const int& ws) {
+    int no = 0;
+    for (auto& n : m_lMasterNodesData) {
+        if (n.workspaceID == ws)
+            no++;
+    }
+
+    return no;
+}
+
+std::string CHyprMasterLayout::getLayoutName() {
+    return "Master";
+}
+
+SMasterNodeData* CHyprMasterLayout::getMasterNodeOnWorkspace(const int& ws) {
+    for (auto& n : m_lMasterNodesData) {
+        if (n.isMaster && n.workspaceID == ws)
+            return &n;
+    }
+
+    return nullptr;
+}
+
+void CHyprMasterLayout::onWindowCreatedTiling(CWindow* pWindow) {
+    if (pWindow->m_bIsFloating)
+        return;
+
+    const auto PNODE = &m_lMasterNodesData.emplace_back();
+
+    PNODE->workspaceID = pWindow->m_iWorkspaceID;
+    PNODE->pWindow = pWindow;
+
+    static auto *const PNEWISMASTER = &g_pConfigManager->getConfigValuePtr("master:new_is_master")->intValue;
+
+    const auto WINDOWSONWORKSPACE = getNodesOnWorkspace(PNODE->workspaceID);
+    float lastSplitPercent = 0.5f;
+
+    if (*PNEWISMASTER || WINDOWSONWORKSPACE == 1) {
+        for (auto& nd : m_lMasterNodesData) {
+            if (nd.isMaster && nd.workspaceID == PNODE->workspaceID) {
+                nd.isMaster = false;
+                lastSplitPercent = nd.percMaster;
+                break;
+            }
+        }
+
+        PNODE->isMaster = true;
+        PNODE->percMaster = lastSplitPercent;
+    } else {
+        PNODE->isMaster = false;
+    }
+
+    // recalc
+    recalculateMonitor(pWindow->m_iMonitorID);
+}
+
+void CHyprMasterLayout::onWindowRemovedTiling(CWindow* pWindow) {
+    const auto PNODE = getNodeFromWindow(pWindow);
+
+    if (!PNODE)
+        return;
+
+    if (PNODE->isMaster) {
+        // find new one
+        for (auto& nd : m_lMasterNodesData) {
+            if (!nd.isMaster) {
+                nd.isMaster = true;
+                break;
+            }
+        }
+    }
+
+    m_lMasterNodesData.remove(*PNODE);
+
+    recalculateMonitor(pWindow->m_iMonitorID);
+}
+
+void CHyprMasterLayout::recalculateMonitor(const int& monid) {
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(monid);
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(PMONITOR->activeWorkspace);
+
+    if (!PWORKSPACE)
+        return;
+
+    g_pHyprRenderer->damageMonitor(PMONITOR);
+
+    if (PMONITOR->specialWorkspaceOpen) {
+        calculateWorkspace(SPECIAL_WORKSPACE_ID);
+    }
+
+    if (PWORKSPACE->m_bHasFullscreenWindow) {
+        if (PWORKSPACE->m_efFullscreenMode == FULLSCREEN_FULL) 
+            return;
+
+        // massive hack from the fullscreen func
+        const auto PFULLWINDOW = g_pCompositor->getFullscreenWindowOnWorkspace(PWORKSPACE->m_iID);
+
+        SMasterNodeData fakeNode;
+        fakeNode.pWindow = PFULLWINDOW;
+        fakeNode.position = PMONITOR->vecPosition + PMONITOR->vecReservedTopLeft;
+        fakeNode.size = PMONITOR->vecSize - PMONITOR->vecReservedTopLeft - PMONITOR->vecReservedBottomRight;
+        fakeNode.workspaceID = PWORKSPACE->m_iID;
+        PFULLWINDOW->m_vPosition = fakeNode.position;
+        PFULLWINDOW->m_vSize = fakeNode.size;
+
+        applyNodeDataToWindow(&fakeNode);
+
+        return;
+    }
+
+    // calc the WS
+    calculateWorkspace(PWORKSPACE->m_iID);
+}
+
+void CHyprMasterLayout::calculateWorkspace(const int& ws) {
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(ws);
+
+    if (!PWORKSPACE)
+        return;
+
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(PWORKSPACE->m_iMonitorID);
+
+    const auto PMASTERNODE = getMasterNodeOnWorkspace(PWORKSPACE->m_iID);
+
+    if (!PMASTERNODE)
+        return;
+
+    if (getNodesOnWorkspace(PWORKSPACE->m_iID) < 2) {
+        PMASTERNODE->position = PMONITOR->vecReservedTopLeft + PMONITOR->vecPosition;
+        PMASTERNODE->size = Vector2D(PMONITOR->vecSize.x - PMONITOR->vecReservedTopLeft.x - PMONITOR->vecReservedBottomRight.x, PMONITOR->vecSize.y - PMONITOR->vecReservedBottomRight.y - PMONITOR->vecReservedTopLeft.y);
+        applyNodeDataToWindow(PMASTERNODE);
+        return;
+    } else {
+        PMASTERNODE->position = PMONITOR->vecReservedTopLeft + PMONITOR->vecPosition;
+        PMASTERNODE->size = Vector2D((PMONITOR->vecSize.x - PMONITOR->vecReservedTopLeft.x - PMONITOR->vecReservedBottomRight.x) * PMASTERNODE->percMaster, PMONITOR->vecSize.y - PMONITOR->vecReservedBottomRight.y - PMONITOR->vecReservedTopLeft.y);
+    }
+
+    const auto SLAVESIZE = 1.f / (getNodesOnWorkspace(PWORKSPACE->m_iID) - 1) * (PMASTERNODE->size.y);
+    int slavesDone = 0;
+
+    for (auto& nd : m_lMasterNodesData) {
+        if (nd.workspaceID != PWORKSPACE->m_iID)
+            continue;
+
+        if (nd == *PMASTERNODE) {
+            applyNodeDataToWindow(PMASTERNODE);
+            continue;
+        }
+
+        nd.position = Vector2D(PMASTERNODE->size.x + PMASTERNODE->position.x, slavesDone * SLAVESIZE + PMASTERNODE->position.y);
+        nd.size = Vector2D(PMONITOR->vecSize.x - PMONITOR->vecReservedBottomRight.x - PMONITOR->vecReservedTopLeft.x - PMASTERNODE->size.x, SLAVESIZE);
+
+        slavesDone++;
+
+        applyNodeDataToWindow(&nd);
+    }
+}
+
+void CHyprMasterLayout::applyNodeDataToWindow(SMasterNodeData* pNode) {
+    SMonitor* PMONITOR = nullptr;
+
+    if (pNode->workspaceID == SPECIAL_WORKSPACE_ID) {
+        for (auto& m : g_pCompositor->m_vMonitors) {
+            if (m->specialWorkspaceOpen) {
+                PMONITOR = m.get();
+                break;
+            }
+        }
+    } else {
+        PMONITOR = g_pCompositor->getMonitorFromID(g_pCompositor->getWorkspaceByID(pNode->workspaceID)->m_iMonitorID);
+    }
+
+    if (!PMONITOR) {
+        Debug::log(ERR, "Orphaned Node %x (workspace ID: %i)!!", pNode, pNode->workspaceID);
+        return;
+    }
+
+    // for gaps outer
+    const bool DISPLAYLEFT          = STICKS(pNode->position.x, PMONITOR->vecPosition.x + PMONITOR->vecReservedTopLeft.x);
+    const bool DISPLAYRIGHT         = STICKS(pNode->position.x + pNode->size.x, PMONITOR->vecPosition.x + PMONITOR->vecSize.x - PMONITOR->vecReservedBottomRight.x);
+    const bool DISPLAYTOP           = STICKS(pNode->position.y, PMONITOR->vecPosition.y + PMONITOR->vecReservedTopLeft.y);
+    const bool DISPLAYBOTTOM        = STICKS(pNode->position.y + pNode->size.y, PMONITOR->vecPosition.y + PMONITOR->vecSize.y - PMONITOR->vecReservedBottomRight.y);
+
+    const auto BORDERSIZE           = g_pConfigManager->getInt("general:border_size");
+    const auto GAPSIN               = g_pConfigManager->getInt("general:gaps_in");
+    const auto GAPSOUT              = g_pConfigManager->getInt("general:gaps_out");
+
+    const auto PWINDOW = pNode->pWindow;
+
+    if (!g_pCompositor->windowValidMapped(PWINDOW)) {
+        Debug::log(ERR, "Node %x holding invalid window %x!!", pNode, PWINDOW);
+        return;
+    }
+
+    PWINDOW->m_vSize = pNode->size;
+    PWINDOW->m_vPosition = pNode->position;
+
+    // TODO: special
+
+    auto calcPos = PWINDOW->m_vPosition + Vector2D(BORDERSIZE, BORDERSIZE);
+    auto calcSize = PWINDOW->m_vSize - Vector2D(2 * BORDERSIZE, 2 * BORDERSIZE);
+
+    const auto OFFSETTOPLEFT = Vector2D(DISPLAYLEFT ? GAPSOUT : GAPSIN,
+                                        DISPLAYTOP ? GAPSOUT : GAPSIN);
+
+    const auto OFFSETBOTTOMRIGHT = Vector2D(DISPLAYRIGHT ? GAPSOUT : GAPSIN,
+                                            DISPLAYBOTTOM ? GAPSOUT : GAPSIN);
+
+    calcPos = calcPos + OFFSETTOPLEFT;
+    calcSize = calcSize - OFFSETTOPLEFT - OFFSETBOTTOMRIGHT;
+
+    if (PWINDOW->m_iWorkspaceID == SPECIAL_WORKSPACE_ID) {
+        static auto *const PSCALEFACTOR = &g_pConfigManager->getConfigValuePtr("master:special_scale_factor")->floatValue;
+
+        PWINDOW->m_vRealPosition = calcPos + (calcSize - calcSize * *PSCALEFACTOR) / 2.f;
+        PWINDOW->m_vRealSize = calcSize * *PSCALEFACTOR;
+
+        g_pXWaylandManager->setWindowSize(PWINDOW, calcSize * *PSCALEFACTOR);
+    } else {
+        PWINDOW->m_vRealSize = calcSize;
+        PWINDOW->m_vRealPosition = calcPos;
+
+        g_pXWaylandManager->setWindowSize(PWINDOW, calcSize);
+    }
+
+    PWINDOW->updateWindowDecos();
+}
+
+bool CHyprMasterLayout::isWindowTiled(CWindow* pWindow) {
+    return getNodeFromWindow(pWindow) != nullptr;
+}
+
+void CHyprMasterLayout::resizeActiveWindow(const Vector2D& pixResize, CWindow* pWindow) {
+    const auto PWINDOW = pWindow ? pWindow : g_pCompositor->m_pLastWindow;
+
+    if (!g_pCompositor->windowValidMapped(PWINDOW))
+        return;
+
+    const auto PNODE = getNodeFromWindow(PWINDOW);
+
+    if (!PNODE) {
+        PWINDOW->m_vRealSize = Vector2D(std::clamp((PWINDOW->m_vRealSize.goalv() + pixResize).x, (double)20, (double)999999), std::clamp((PWINDOW->m_vRealSize.goalv() + pixResize).y, (double)20, (double)999999));
+        PWINDOW->updateWindowDecos();
+        return;
+    }
+
+    // get master
+    const auto PMASTER = getMasterNodeOnWorkspace(PWINDOW->m_iWorkspaceID);
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(PWINDOW->m_iMonitorID);
+
+    if (getNodesOnWorkspace(PWINDOW->m_iWorkspaceID) < 2)
+        return;
+
+    float delta = pixResize.x / PMONITOR->vecSize.x;
+
+    PMASTER->percMaster += delta;
+
+    std::clamp(PMASTER->percMaster, 0.05f, 0.95f);
+
+    recalculateMonitor(PMONITOR->ID);
+}
+
+void CHyprMasterLayout::fullscreenRequestForWindow(CWindow* pWindow, eFullscreenMode fullscreenMode, bool on) {
+    if (!g_pCompositor->windowValidMapped(pWindow))
+        return;
+
+    if (on == pWindow->m_bIsFullscreen)
+        return;  // ignore
+
+    const auto PMONITOR = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
+    const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(pWindow->m_iWorkspaceID);
+
+    if (PWORKSPACE->m_bHasFullscreenWindow && on) {
+        // if the window wants to be fullscreen but there already is one,
+        // ignore the request.
+        return;
+    }
+
+    // otherwise, accept it.
+    pWindow->m_bIsFullscreen = on;
+    PWORKSPACE->m_bHasFullscreenWindow = !PWORKSPACE->m_bHasFullscreenWindow;
+
+    g_pEventManager->postEvent(SHyprIPCEvent("fullscreen", std::to_string((int)on)));
+
+    if (!pWindow->m_bIsFullscreen) {
+        // if it got its fullscreen disabled, set back its node if it had one
+        const auto PNODE = getNodeFromWindow(pWindow);
+        if (PNODE)
+            applyNodeDataToWindow(PNODE);
+        else {
+            // get back its' dimensions from position and size
+            pWindow->m_vRealPosition = pWindow->m_vPosition;
+            pWindow->m_vRealSize = pWindow->m_vSize;
+        }
+    } else {
+        // if it now got fullscreen, make it fullscreen
+
+        PWORKSPACE->m_efFullscreenMode = fullscreenMode;
+
+        // save position and size if floating
+        if (pWindow->m_bIsFloating) {
+            pWindow->m_vPosition = pWindow->m_vRealPosition.vec();
+            pWindow->m_vSize = pWindow->m_vRealSize.vec();
+        }
+
+        // apply new pos and size being monitors' box
+        if (fullscreenMode == FULLSCREEN_FULL) {
+            pWindow->m_vRealPosition = PMONITOR->vecPosition;
+            pWindow->m_vRealSize = PMONITOR->vecSize;
+        } else {
+            // This is a massive hack.
+            // We make a fake "only" node and apply
+            // To keep consistent with the settings without C+P code
+
+            SMasterNodeData fakeNode;
+            fakeNode.pWindow = pWindow;
+            fakeNode.position = PMONITOR->vecPosition + PMONITOR->vecReservedTopLeft;
+            fakeNode.size = PMONITOR->vecSize - PMONITOR->vecReservedTopLeft - PMONITOR->vecReservedBottomRight;
+            fakeNode.workspaceID = pWindow->m_iWorkspaceID;
+            pWindow->m_vPosition = fakeNode.position;
+            pWindow->m_vSize = fakeNode.size;
+
+            applyNodeDataToWindow(&fakeNode);
+        }
+    }
+
+    g_pCompositor->updateWindowAnimatedDecorationValues(pWindow);
+
+    g_pXWaylandManager->setWindowSize(pWindow, pWindow->m_vRealSize.goalv());
+
+    g_pCompositor->moveWindowToTop(pWindow);
+
+    // we need to fix XWayland windows by sending them to NARNIA
+    // because otherwise they'd still be recieving mouse events
+    g_pCompositor->fixXWaylandWindowsOnWorkspace(PMONITOR->activeWorkspace);
+
+    recalculateMonitor(PMONITOR->ID);
+}
+
+void CHyprMasterLayout::recalculateWindow(CWindow* pWindow) {
+    const auto PNODE = getNodeFromWindow(pWindow);
+
+    if (!PNODE)
+        return;
+
+    recalculateMonitor(pWindow->m_iMonitorID);
+}
+
+SWindowRenderLayoutHints CHyprMasterLayout::requestRenderHints(CWindow* pWindow) {
+    // window should be valid, insallah
+
+    SWindowRenderLayoutHints hints;
+
+    return hints; // master doesnt have any hints
+}
+
+void CHyprMasterLayout::switchWindows(CWindow* pWindow, CWindow* pWindow2) {
+    // windows should be valid, insallah
+
+    const auto PNODE = getNodeFromWindow(pWindow);
+    const auto PNODE2 = getNodeFromWindow(pWindow2);
+
+    if (!PNODE2 || !PNODE)
+        return;
+
+    if (PNODE->workspaceID != PNODE2->workspaceID) {
+        Debug::log(ERR, "Master: Rejecting a swap between workspaces");
+        return;
+    }
+
+    // massive hack: just swap window pointers, lol
+    const auto PWINDOW1 = PNODE->pWindow;
+    PNODE->pWindow = PNODE2->pWindow;
+    PNODE2->pWindow = PWINDOW1;
+
+    recalculateMonitor(PWINDOW1->m_iMonitorID);
+}
+
+void CHyprMasterLayout::alterSplitRatioBy(CWindow* pWindow, float ratio) {
+    // window should be valid, insallah
+
+    const auto PNODE = getNodeFromWindow(pWindow);
+
+    if (!PNODE)
+        return;
+
+    const auto PMASTER = getMasterNodeOnWorkspace(pWindow->m_iWorkspaceID);
+
+    PMASTER->percMaster = std::clamp(PMASTER->percMaster + ratio, 0.05f, 0.95f);
+
+    recalculateMonitor(pWindow->m_iMonitorID);
+}
+
+std::any CHyprMasterLayout::layoutMessage(SLayoutMessageHeader header, std::string message) {
+    return "";
+}
+
+void CHyprMasterLayout::onEnable() {
+    for (auto& w : g_pCompositor->m_vWindows) {
+        if (w->m_bIsFloating || !w->m_bMappedX11 || !w->m_bIsMapped || w->m_bHidden)
+            continue;
+
+        onWindowCreatedTiling(w.get());
+    }
+}
+
+void CHyprMasterLayout::onDisable() {
+    m_lMasterNodesData.clear();
+}
\ No newline at end of file
diff --git a/src/layout/MasterLayout.hpp b/src/layout/MasterLayout.hpp
new file mode 100644
index 00000000..318f8940
--- /dev/null
+++ b/src/layout/MasterLayout.hpp
@@ -0,0 +1,54 @@
+#pragma once
+
+#include "IHyprLayout.hpp"
+#include <list>
+#include <deque>
+
+enum eFullscreenMode : uint8_t;
+
+struct SMasterNodeData {
+    bool isMaster = false;
+    float percMaster = 0.5f;
+
+    CWindow* pWindow = nullptr;
+
+    Vector2D position;
+    Vector2D size;
+
+    int workspaceID = -1;
+
+    bool operator==(const SMasterNodeData& rhs) {
+        return pWindow == rhs.pWindow;
+    }
+};
+
+class CHyprMasterLayout : public IHyprLayout {
+public:
+    virtual void        onWindowCreatedTiling(CWindow*);
+    virtual void        onWindowRemovedTiling(CWindow*);
+    virtual bool        isWindowTiled(CWindow*);
+    virtual void        recalculateMonitor(const int&);
+    virtual void        recalculateWindow(CWindow*);
+    virtual void        resizeActiveWindow(const Vector2D&, CWindow* pWindow = nullptr);
+    virtual void        fullscreenRequestForWindow(CWindow*, eFullscreenMode, bool);
+    virtual std::any    layoutMessage(SLayoutMessageHeader, std::string);
+    virtual SWindowRenderLayoutHints requestRenderHints(CWindow*);
+    virtual void        switchWindows(CWindow*, CWindow*);
+    virtual void        alterSplitRatioBy(CWindow*, float);
+    virtual std::string getLayoutName();
+
+    virtual void        onEnable();
+    virtual void        onDisable();
+
+private:
+
+    std::list<SMasterNodeData>     m_lMasterNodesData;
+
+    int                 getNodesOnWorkspace(const int&);
+    void                applyNodeDataToWindow(SMasterNodeData*);
+    SMasterNodeData*    getNodeFromWindow(CWindow*);
+    SMasterNodeData*    getMasterNodeOnWorkspace(const int&);
+    void                calculateWorkspace(const int&);
+
+    friend struct SMasterNodeData;
+};
\ No newline at end of file
diff --git a/src/managers/AnimationManager.cpp b/src/managers/AnimationManager.cpp
index a8743afd..5d3027c9 100644
--- a/src/managers/AnimationManager.cpp
+++ b/src/managers/AnimationManager.cpp
@@ -191,7 +191,6 @@ void CAnimationManager::tick() {
             } case AVARDAMAGE_SHADOW: {
                 RASSERT(PWINDOW, "Tried to AVARDAMAGE_SHADOW a non-window AVAR!");
 
-                static auto* const PSHADOWSIZE = &g_pConfigManager->getConfigValuePtr("decoration:shadow_range")->intValue;
                 static auto* const PSHADOWIGNOREWINDOW = &g_pConfigManager->getConfigValuePtr("decoration:shadow_ignore_window")->intValue;
 
                 const auto PDECO = PWINDOW->getDecorationByType(DECORATION_SHADOW);
diff --git a/src/managers/LayoutManager.cpp b/src/managers/LayoutManager.cpp
index ec723350..8e7e397b 100644
--- a/src/managers/LayoutManager.cpp
+++ b/src/managers/LayoutManager.cpp
@@ -4,8 +4,28 @@ IHyprLayout* CLayoutManager::getCurrentLayout() {
     switch (m_iCurrentLayoutID) {
         case DWINDLE: 
             return &m_cDwindleLayout;
+        case MASTER:
+            return &m_cMasterLayout;
     }
 
     // fallback
     return &m_cDwindleLayout;
+}
+
+void CLayoutManager::switchToLayout(std::string layout) {
+    if (layout == "dwindle") {
+        if (m_iCurrentLayoutID != DWINDLE) {
+            getCurrentLayout()->onDisable();
+            m_iCurrentLayoutID = DWINDLE;
+            getCurrentLayout()->onEnable();
+        }
+    } else if (layout == "master") {
+        if (m_iCurrentLayoutID != MASTER) {
+            getCurrentLayout()->onDisable();
+            m_iCurrentLayoutID = MASTER;
+            getCurrentLayout()->onEnable();
+        }
+    } else {
+        Debug::log(ERR, "Unknown layout %s!", layout.c_str());
+    }
 }
\ No newline at end of file
diff --git a/src/managers/LayoutManager.hpp b/src/managers/LayoutManager.hpp
index 20f1f7f9..aa340e79 100644
--- a/src/managers/LayoutManager.hpp
+++ b/src/managers/LayoutManager.hpp
@@ -1,20 +1,25 @@
 #pragma once
 
 #include "../layout/DwindleLayout.hpp"
+#include "../layout/MasterLayout.hpp"
 
 class CLayoutManager {
 public:
 
     IHyprLayout*    getCurrentLayout();
 
+    void            switchToLayout(std::string);
+
 private:
     enum HYPRLAYOUTS {
         DWINDLE = 0,
+        MASTER
     };
 
     HYPRLAYOUTS m_iCurrentLayoutID = DWINDLE;
 
     CHyprDwindleLayout m_cDwindleLayout;
+    CHyprMasterLayout  m_cMasterLayout;
 };
 
 inline std::unique_ptr<CLayoutManager> g_pLayoutManager;
\ No newline at end of file