diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8043144..f95cd47 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTOMOC ON)
 set(CMAKE_AUTORCC ON)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets LinguistTools)
@@ -35,6 +35,7 @@ set(PROJECT_SOURCES
         Keys/AbstractKeyListener.h
         Keys/HelpKeyListener.h
         Keys/CloseHelpKeyListener.h
+        Keys/CreateWorkspaceKeyListener.h
 )
 
 if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
diff --git a/Keys/CreateWorkspaceKeyListener.h b/Keys/CreateWorkspaceKeyListener.h
new file mode 100644
index 0000000..4057e21
--- /dev/null
+++ b/Keys/CreateWorkspaceKeyListener.h
@@ -0,0 +1,71 @@
+//
+// Created by grimmauld on 07.03.24.
+//
+
+#ifndef SWAYMUX_CREATEWORKSPACEKEYLISTENER_H
+#define SWAYMUX_CREATEWORKSPACEKEYLISTENER_H
+
+#include <QTreeView>
+#include <iostream>
+#include "AbstractKeyListener.h"
+#include "../tree/SwayTreeModel.h"
+
+class CreateWorkspaceKeyListener : public AbstractKeyListener {
+public:
+    explicit CreateWorkspaceKeyListener(SwayTreeModel *swayTreeModel, QTreeView *treeView) : swayTreeModel(
+            swayTreeModel), treeView(treeView) {}
+
+    void handleKeyEvent(const QKeyEvent *keyEvent) const override {
+        auto *root = swayTreeModel->getRoot();
+        if (root == nullptr)
+            return;
+
+        Formatter cmd;
+        auto indexes = treeView->selectionModel()->selectedIndexes();
+        for (auto i: indexes) {
+            std::vector<int> indices;
+            for (auto j = i; j.isValid(); j = j.parent()) {
+                indices.insert(indices.cbegin(), j.row());
+            }
+
+            auto *head = root;
+            const SwayTreeNode *output;
+            for (auto j: indices) {
+                head = head->child(j);
+                if (head == nullptr)
+                    goto hell;
+            }
+
+            output = head->findOutput();
+            if (output != nullptr) {
+                cmd << "focus output " << output->node.name << " , ";
+                break;
+            }
+            hell:;
+        }
+
+        auto used_workspaces = root->accumulateWorkspaces();
+        int i = 1; // workspace 1 is the first one. We don't expect our users to be programmers.
+        for (; used_workspaces.contains(std::to_string(i)); ++i) {}
+        cmd << "workspace number " << i;
+        auto resp = SwayTreeModel::sway.sendIPC(swaymsg(0, cmd.str().c_str(), cmd.str().length()));
+        std::cout << resp.msg << "\n";
+    }
+
+    std::string getDescription() override {
+        return "Create and switch to new empty workspace on selected output";
+    }
+
+    std::string getKeyText() override {
+        return "C";
+    }
+
+    [[nodiscard]] bool canAcceptKey(int key) const override {
+        return key == Qt::Key_C;
+    }
+
+    SwayTreeModel *swayTreeModel;
+    QTreeView *treeView;
+};
+
+#endif //SWAYMUX_CREATEWORKSPACEKEYLISTENER_H
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 243d5e4..6926a76 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -3,6 +3,7 @@
 #include "tree/SwayTreeModel.h"
 #include "Keys/HelpKeyListener.h"
 #include "Keys/CloseHelpKeyListener.h"
+#include "Keys/CreateWorkspaceKeyListener.h"
 #include <QTimer>
 #include <iostream>
 
@@ -28,6 +29,7 @@ MainWindow::MainWindow(QWidget *parent)
 
     swayTreeKeyHandler = new KeyHandler();
     swayTreeKeyHandler->addListener(new HelpKeyListener(ui->help_page));
+    swayTreeKeyHandler->addListener(new CreateWorkspaceKeyListener(model, ui->treeView));
 
     closeHelpKeyHandler = new KeyHandler(ui->tree_page);
     closeHelpKeyHandler->addListener(new CloseHelpKeyListener(ui->tree_page));
diff --git a/tree/AbstractTreeNode.h b/tree/AbstractTreeNode.h
index 5054876..ec27701 100644
--- a/tree/AbstractTreeNode.h
+++ b/tree/AbstractTreeNode.h
@@ -76,7 +76,7 @@ public:
         if (parent == nullptr)
             return nullptr;
 
-        return this->findParentRecursive(test);
+        return parent->findParentRecursive(test);
     };
 
     void removeChild(int i) {
diff --git a/tree/swaytree.h b/tree/swaytree.h
index e47f27a..24be54e 100644
--- a/tree/swaytree.h
+++ b/tree/swaytree.h
@@ -169,6 +169,20 @@ public:
         return this->findParentRecursive(matchNodeType(NodeType::workspace));
     }
 
+    [[nodiscard]] std::set<std::string> accumulateWorkspaces() const {
+        std::set<std::string> workspaces;
+        if (node.type == NodeType::workspace) {
+            workspaces.insert(node.name);
+            return workspaces; // assumption: no workspaces within workspaces. This might be dangerous for the future, but is currently not a sway feature.
+        }
+
+        for (int i = 0; i < childCount(); ++i) {
+            auto child_workspaces = child(i)->accumulateWorkspaces();
+            workspaces.insert(child_workspaces.cbegin(), child_workspaces.cend());
+        }
+        return workspaces;
+    }
+
 private:
     [[nodiscard]] static std::function<bool(const SwayTreeNode *)> matchNodeType(const NodeType::NodeType type) {
         return [type](const SwayTreeNode *testNode) {