Waybar/include/modules/cffi.hpp

52 lines
1.4 KiB
C++

#pragma once
#include <string>
#include "AModule.hpp"
#include "util/command.hpp"
#include "util/json.hpp"
#include "util/sleeper_thread.hpp"
namespace waybar::modules {
extern "C" {
// C ABI representation of a config key/value pair
struct wbcffi_config_entry {
const char* key;
const char* value;
};
}
class CFFI : public AModule {
public:
CFFI(const std::string&, const std::string&, const Json::Value&);
virtual ~CFFI();
virtual auto refresh(int signal) -> void override;
virtual auto doAction(const std::string& name) -> void override;
virtual auto update() -> void override;
private:
///
void* cffi_instance_ = nullptr;
typedef void*(InitFn)(GtkContainer* root_widget, const void (*trigger_update)(void*),
void* trigger_update_arg, const struct wbcffi_config_entry* config_entries,
size_t config_entries_len);
typedef void(DenitFn)(void* instance);
typedef void(RefreshFn)(void* instance, int signal);
typedef void(DoActionFn)(void* instance, const char* name);
typedef void(UpdateFn)(void* instance);
// FFI hooks
struct {
std::function<InitFn> init = nullptr;
std::function<DenitFn> deinit = nullptr;
std::function<RefreshFn> refresh = [](void*, int) {};
std::function<DoActionFn> doAction = [](void*, const char*) {};
std::function<UpdateFn> update = [](void*) {};
} hooks_;
};
} // namespace waybar::modules