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https://github.com/hyprwm/Hyprland
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36 lines
1.9 KiB
C++
36 lines
1.9 KiB
C++
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#pragma once
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#include "../defines.hpp"
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#include <unordered_map>
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#include <any>
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#include <list>
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// global typedef for hooked functions. Passes itself as a ptr when called, and `data` additionally.
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typedef std::function<void(void*, std::any)> HOOK_CALLBACK_FN;
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#define EMIT_HOOK_EVENT(name, param) \
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{ \
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static auto* const PEVENTVEC = g_pHookSystem->getVecForEvent(name); \
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g_pHookSystem->emit(PEVENTVEC, param); \
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}
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class CHookSystemManager {
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public:
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CHookSystemManager();
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// returns the pointer to the function
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HOOK_CALLBACK_FN* hookDynamic(const std::string& event, HOOK_CALLBACK_FN fn);
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void hookStatic(const std::string& event, HOOK_CALLBACK_FN* fn);
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void unhook(HOOK_CALLBACK_FN* fn);
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void emit(const std::vector<HOOK_CALLBACK_FN*>* callbacks, std::any data = 0);
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std::vector<HOOK_CALLBACK_FN*>* getVecForEvent(const std::string& event);
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private:
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// todo: this is slow. Maybe static ptrs should be somehow allowed. unique ptr for vec?
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std::list<std::pair<std::string, std::vector<HOOK_CALLBACK_FN*>>> m_lpRegisteredHooks;
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std::list<HOOK_CALLBACK_FN> m_lCallbackFunctions;
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};
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inline std::unique_ptr<CHookSystemManager> g_pHookSystem;
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