Plugin System (#1590)

---------

Co-authored-by: Mihai Fufezan <fufexan@protonmail.com>

src/plugins/PluginSystem.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "../defines.hpp"
+#include "PluginAPI.hpp"
+#include <csetjmp>
+
+class IHyprWindowDecoration;
+
+class CPlugin {
+  public:
+    std::string                                            name        = "";
+    std::string                                            description = "";
+    std::string                                            author      = "";
+    std::string                                            version     = "";
+
+    std::string                                            path = "";
+
+    HANDLE                                                 m_pHandle = nullptr;
+
+    std::vector<IHyprLayout*>                              registeredLayouts;
+    std::vector<IHyprWindowDecoration*>                    registeredDecorations;
+    std::vector<std::pair<std::string, HOOK_CALLBACK_FN*>> registeredCallbacks;
+    std::vector<std::string>                               registeredDispatchers;
+};
+
+class CPluginSystem {
+  public:
+    CPluginSystem();
+
+    CPlugin*              loadPlugin(const std::string& path);
+    void                  unloadPlugin(const CPlugin* plugin, bool eject = false);
+    CPlugin*              getPluginByPath(const std::string& path);
+    CPlugin*              getPluginByHandle(HANDLE handle);
+    std::vector<CPlugin*> getAllPlugins();
+
+    bool                  m_bAllowConfigVars = false;
+
+  private:
+    std::vector<std::unique_ptr<CPlugin>> m_vLoadedPlugins;
+
+    jmp_buf                               m_jbPluginFaultJumpBuf;
+};
+
+inline std::unique_ptr<CPluginSystem> g_pPluginSystem;