From 3bbdf9dc5ad2851f5d9f317362fc16705e4fd990 Mon Sep 17 00:00:00 2001
From: outfoxxed <outfoxxed@outfoxxed.me>
Date: Thu, 26 Jun 2025 09:32:44 -0700
Subject: protocols: add ext-workspace implementation (#10818)

---
 src/protocols/ExtWorkspace.hpp | 117 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 src/protocols/ExtWorkspace.hpp

(limited to 'src/protocols/ExtWorkspace.hpp')

diff --git a/src/protocols/ExtWorkspace.hpp b/src/protocols/ExtWorkspace.hpp
new file mode 100644
index 00000000..efaac3fe
--- /dev/null
+++ b/src/protocols/ExtWorkspace.hpp
@@ -0,0 +1,117 @@
+#pragma once
+
+#include "WaylandProtocol.hpp"
+#include "../desktop/DesktopTypes.hpp"
+#include "ext-workspace-v1.hpp"
+#include <cstdint>
+#include <vector>
+#include "../helpers/signal/Signal.hpp"
+#include "../helpers/Monitor.hpp"
+
+class CExtWorkspaceManagerResource;
+
+class CExtWorkspaceGroupResource {
+  public:
+    CExtWorkspaceGroupResource(WP<CExtWorkspaceManagerResource> manager, UP<CExtWorkspaceGroupHandleV1> resource, PHLMONITORREF monitor);
+
+    static WP<CExtWorkspaceGroupResource> fromResource(wl_resource*);
+
+    [[nodiscard]] bool                    good() const;
+
+    void                                  workspaceEnter(const WP<CExtWorkspaceHandleV1>&);
+    void                                  workspaceLeave(const WP<CExtWorkspaceHandleV1>&);
+
+    PHLMONITORREF                         m_monitor;
+
+  private:
+    WP<CExtWorkspaceGroupResource>   m_self;
+    WP<CExtWorkspaceManagerResource> m_manager;
+    UP<CExtWorkspaceGroupHandleV1>   m_resource;
+
+    struct {
+        CHyprSignalListener destroyed;
+        CHyprSignalListener outputBound;
+    } m_listeners;
+
+    friend class CExtWorkspaceManagerResource;
+};
+
+class CExtWorkspaceResource {
+  public:
+    CExtWorkspaceResource(WP<CExtWorkspaceManagerResource> manager, UP<CExtWorkspaceHandleV1> resource, PHLWORKSPACEREF workspace);
+
+    [[nodiscard]] bool good() const;
+
+    void               commit();
+
+  private:
+    WP<CExtWorkspaceResource>        m_self;
+    WP<CExtWorkspaceManagerResource> m_manager;
+    UP<CExtWorkspaceHandleV1>        m_resource;
+    WP<CExtWorkspaceGroupResource>   m_group;
+    PHLWORKSPACEREF                  m_workspace;
+
+    [[nodiscard]] bool               isActive() const;
+
+    void                             sendState();
+    void                             sendCapabilities();
+    void                             sendGroup();
+
+    struct {
+        bool          activate   = false;
+        bool          deactivate = false;
+        PHLMONITORREF targetMonitor;
+    } m_pendingState;
+
+    struct {
+        CHyprSignalListener destroyed;
+        CHyprSignalListener activeChanged;
+        CHyprSignalListener monitorChanged;
+        CHyprSignalListener renamed;
+    } m_listeners;
+
+    friend class CExtWorkspaceManagerResource;
+};
+
+class CExtWorkspaceManagerResource {
+  public:
+    CExtWorkspaceManagerResource(UP<CExtWorkspaceManagerV1> resource);
+    WP<CExtWorkspaceManagerResource>             m_self;
+
+    void                                         init(WP<CExtWorkspaceManagerResource> self);
+    [[nodiscard]] bool                           good() const;
+
+    void                                         onMonitorCreated(const PHLMONITOR& monitor);
+    void                                         onWorkspaceCreated(const PHLWORKSPACE& workspace);
+
+    void                                         scheduleDone();
+    [[nodiscard]] WP<CExtWorkspaceGroupResource> findGroup(const PHLMONITORREF& monitor) const;
+    void                                         sendGroupToWorkspaces(const WP<CExtWorkspaceGroupResource>& group);
+
+    UP<CExtWorkspaceManagerV1>                   m_resource;
+
+  private:
+    bool m_doneScheduled = false;
+};
+
+class CExtWorkspaceProtocol : public IWaylandProtocol {
+  public:
+    CExtWorkspaceProtocol(const wl_interface* iface, const int& var, const std::string& name);
+
+    virtual void bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id);
+
+    void         destroyManager(const WP<CExtWorkspaceManagerResource>& manager);
+    void         destroyGroup(const WP<CExtWorkspaceGroupResource>& group);
+    void         destroyWorkspace(const WP<CExtWorkspaceResource>& workspace);
+
+  private:
+    std::vector<UP<CExtWorkspaceManagerResource>> m_managers;
+    std::vector<UP<CExtWorkspaceGroupResource>>   m_groups;
+    std::vector<UP<CExtWorkspaceResource>>        m_workspaces;
+
+    friend class CExtWorkspaceManagerResource;
+};
+
+namespace PROTO {
+    inline UP<CExtWorkspaceProtocol> extWorkspace;
+}
-- 
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