GlobalShortcuts protocol impl (#1886)

Implements the `hyprland-global-shortcuts-v1` protocol

---------

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

src/protocols/GlobalShortcuts.hpp

@@ -0,0 +1,39 @@
+#pragma once
+#include "../defines.hpp"
+#include "hyprland-global-shortcuts-v1-protocol.h"
+#include <vector>
+
+struct SShortcut {
+    wl_resource* resource;
+    std::string  id, description, appid;
+    uint32_t     shortcut = 0;
+};
+
+struct SShortcutClient {
+    wl_client*                              client = nullptr;
+    std::vector<std::unique_ptr<SShortcut>> shortcuts;
+};
+
+class CGlobalShortcutsProtocolManager {
+  public:
+    CGlobalShortcutsProtocolManager();
+    void                   bindManager(wl_client* client, void* data, uint32_t version, uint32_t id);
+    void                   displayDestroy();
+
+    void                   registerShortcut(wl_client* client, wl_resource* resource, uint32_t shortcut, const char* id, const char* app_id, const char* description,
+                                            const char* trigger_description);
+    void                   destroyShortcut(wl_resource* resource);
+
+    bool                   globalShortcutExists(std::string appid, std::string trigger);
+    void                   sendGlobalShortcutEvent(std::string appid, std::string trigger, bool pressed);
+
+    std::vector<SShortcut> getAllShortcuts();
+
+  private:
+    std::vector<std::unique_ptr<SShortcutClient>> m_vClients;
+
+    SShortcutClient*                              clientFromWlClient(wl_client* client);
+
+    wl_global*                                    m_pGlobal = nullptr;
+    wl_listener                                   m_liDisplayDestroy;
+};