layout: add auto_group to control default grouping (#7883)

src/config/ConfigDescriptions.hpp

@@ -772,6 +772,12 @@ inline static const std::vector<SConfigOptionDescription> CONFIG_OPTIONS = {
         .type        = CONFIG_OPTION_GRADIENT,
         .data        = SConfigOptionDescription::SGradientData{"0x66775500"},
     },
+    SConfigOptionDescription{
+        .value       = "group:auto_group",
+        .description = "automatically group new windows",
+        .type        = CONFIG_OPTION_BOOL,
+        .data        = SConfigOptionDescription::SBoolData{true},
+    },
 
     /*
      * group:groupbar:

src/config/ConfigManager.cpp

@@ -377,6 +377,7 @@ CConfigManager::CConfigManager() {
     m_pConfig->addConfigValue("group:insert_after_current", Hyprlang::INT{1});
     m_pConfig->addConfigValue("group:focus_removed_window", Hyprlang::INT{1});
     m_pConfig->addConfigValue("group:merge_groups_on_drag", Hyprlang::INT{1});
+    m_pConfig->addConfigValue("group:auto_group", Hyprlang::INT{1});
     m_pConfig->addConfigValue("group:groupbar:enabled", Hyprlang::INT{1});
     m_pConfig->addConfigValue("group:groupbar:font_family", {STRVAL_EMPTY});
     m_pConfig->addConfigValue("group:groupbar:font_size", Hyprlang::INT{8});

src/events/Windows.cpp

@@ -322,7 +322,7 @@ void Events::listener_mapWindow(void* owner, void* data) {
     PWINDOW->updateWindowData();
 
     if (PWINDOW->m_bIsFloating) {
-        g_pLayoutManager->getCurrentLayout()->onWindowCreatedFloating(PWINDOW);
+        g_pLayoutManager->getCurrentLayout()->onWindowCreated(PWINDOW);
         PWINDOW->m_bCreatedOverFullscreen = true;
 
         // size and move rules

src/layout/DwindleLayout.cpp

@@ -340,26 +340,7 @@ void CHyprDwindleLayout::onWindowCreatedTiling(PHLWINDOW pWindow, eDirection dir
             return;
     }
 
-    // if it's a group, add the window
+    // get the node under our cursor
-    if (OPENINGON->pWindow->m_sGroupData.pNextWindow.lock()                                  // target is group
-        && pWindow->canBeGroupedInto(OPENINGON->pWindow.lock()) && !m_vOverrideFocalPoint) { // we are not moving window
-        m_lDwindleNodesData.remove(*PNODE);
-
-        static auto USECURRPOS = CConfigValue<Hyprlang::INT>("group:insert_after_current");
-        (*USECURRPOS ? OPENINGON->pWindow.lock() : OPENINGON->pWindow->getGroupTail())->insertWindowToGroup(pWindow);
-
-        OPENINGON->pWindow->setGroupCurrent(pWindow);
-        pWindow->applyGroupRules();
-        pWindow->updateWindowDecos();
-        recalculateWindow(pWindow);
-
-        if (!pWindow->getDecorationByType(DECORATION_GROUPBAR))
-            pWindow->addWindowDeco(std::make_unique<CHyprGroupBarDecoration>(pWindow));
-
-        return;
-    }
-
-    // If it's not, get the node under our cursor
 
     m_lDwindleNodesData.push_back(SDwindleNodeData());
     const auto NEWPARENT = &m_lDwindleNodesData.back();

src/layout/IHyprLayout.cpp

@@ -9,24 +9,26 @@
 #include "../xwayland/XSurface.hpp"
 
 void IHyprLayout::onWindowCreated(PHLWINDOW pWindow, eDirection direction) {
-    if (pWindow->m_bIsFloating) {
-        onWindowCreatedFloating(pWindow);
-    } else {
     CBox desiredGeometry = {};
     g_pXWaylandManager->getGeometryForWindow(pWindow, &desiredGeometry);
 
     if (desiredGeometry.width <= 5 || desiredGeometry.height <= 5) {
         const auto PMONITOR          = g_pCompositor->getMonitorFromID(pWindow->m_iMonitorID);
         pWindow->m_vLastFloatingSize = PMONITOR->vecSize / 2.f;
-        } else {
+    } else
         pWindow->m_vLastFloatingSize = Vector2D(desiredGeometry.width, desiredGeometry.height);
-        }
 
     pWindow->m_vPseudoSize = pWindow->m_vLastFloatingSize;
 
+    bool autoGrouped = IHyprLayout::onWindowCreatedAutoGroup(pWindow);
+    if (autoGrouped)
+        return;
+
+    if (pWindow->m_bIsFloating)
+        onWindowCreatedFloating(pWindow);
+    else
         onWindowCreatedTiling(pWindow, direction);
 }
-}
 
 void IHyprLayout::onWindowRemoved(PHLWINDOW pWindow) {
     if (pWindow->isFullscreen())
@@ -178,6 +180,47 @@ void IHyprLayout::onWindowCreatedFloating(PHLWINDOW pWindow) {
     }
 }
 
+bool IHyprLayout::onWindowCreatedAutoGroup(PHLWINDOW pWindow) {
+    static auto AUTOGROUP = CConfigValue<Hyprlang::INT>("group:auto_group");
+    if ((*AUTOGROUP || g_pInputManager->m_bWasDraggingWindow) // check if auto_group is enabled, or, if the user is manually dragging the window into the group.
+        && g_pCompositor->m_pLastWindow.lock()                // check if a focused window exists.
+        && g_pCompositor->m_pLastWindow != pWindow            // fixes a freeze when activating togglefloat to transform a floating group into a tiled group.
+        && g_pCompositor->m_pLastWindow->m_pWorkspace ==
+            pWindow
+                ->m_pWorkspace // fix for multimonitor: when there is a focused group in monitor 1 and monitor 2 is empty, this enables adding the first window of monitor 2 when using the mouse to focus it.
+        && g_pCompositor->m_pLastWindow->m_sGroupData.pNextWindow.lock()  // check if the focused window is a group
+        && pWindow->canBeGroupedInto(g_pCompositor->m_pLastWindow.lock()) // check if the new window can be grouped into the focused group
+        && !g_pXWaylandManager->shouldBeFloated(pWindow)) {               // don't group XWayland windows that should be floated.
+
+        switch (pWindow->m_bIsFloating) {
+            case false:
+                if (g_pCompositor->m_pLastWindow->m_bIsFloating)
+                    pWindow->m_bIsFloating = true;
+                break;
+
+            case true:
+                if (!g_pCompositor->m_pLastWindow->m_bIsFloating)
+                    pWindow->m_bIsFloating = false;
+                break;
+        }
+
+        static auto USECURRPOS = CConfigValue<Hyprlang::INT>("group:insert_after_current");
+        (*USECURRPOS ? g_pCompositor->m_pLastWindow : g_pCompositor->m_pLastWindow->getGroupTail())->insertWindowToGroup(pWindow);
+
+        g_pCompositor->m_pLastWindow->setGroupCurrent(pWindow);
+        pWindow->applyGroupRules();
+        pWindow->updateWindowDecos();
+        recalculateWindow(pWindow);
+
+        if (!pWindow->getDecorationByType(DECORATION_GROUPBAR))
+            pWindow->addWindowDeco(std::make_unique<CHyprGroupBarDecoration>(pWindow));
+
+        return true;
+    }
+
+    return false;
+}
+
 void IHyprLayout::onBeginDragWindow() {
     const auto DRAGGINGWINDOW = g_pInputManager->currentlyDraggedWindow.lock();
 

src/layout/IHyprLayout.hpp

@@ -47,6 +47,7 @@ class IHyprLayout {
     virtual void onWindowCreated(PHLWINDOW, eDirection direction = DIRECTION_DEFAULT);
     virtual void onWindowCreatedTiling(PHLWINDOW, eDirection direction = DIRECTION_DEFAULT) = 0;
     virtual void onWindowCreatedFloating(PHLWINDOW);
+    virtual bool onWindowCreatedAutoGroup(PHLWINDOW);
 
     /*
         Return tiled status

src/layout/MasterLayout.cpp

@@ -116,26 +116,6 @@ void CHyprMasterLayout::onWindowCreatedTiling(PHLWINDOW pWindow, eDirection dire
             return;
     }
 
-    // if it's a group, add the window
-    if (OPENINGON && OPENINGON != PNODE && OPENINGON->pWindow->m_sGroupData.pNextWindow.lock() // target is group
-        && pWindow->canBeGroupedInto(OPENINGON->pWindow.lock())) {
-
-        m_lMasterNodesData.remove(*PNODE);
-
-        static auto USECURRPOS = CConfigValue<Hyprlang::INT>("group:insert_after_current");
-        (*USECURRPOS ? OPENINGON->pWindow.lock() : OPENINGON->pWindow->getGroupTail())->insertWindowToGroup(pWindow);
-
-        OPENINGON->pWindow->setGroupCurrent(pWindow);
-        pWindow->applyGroupRules();
-        pWindow->updateWindowDecos();
-        recalculateWindow(pWindow);
-
-        if (!pWindow->getDecorationByType(DECORATION_GROUPBAR))
-            pWindow->addWindowDeco(std::make_unique<CHyprGroupBarDecoration>(pWindow));
-
-        return;
-    }
-
     pWindow->applyGroupRules();
 
     static auto  PDROPATCURSOR = CConfigValue<Hyprlang::INT>("master:drop_at_cursor");