32 lines
759 B
C
32 lines
759 B
C
#include <stdatomic.h>
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#include <time.h>
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#include <windows.h>
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static atomic_llong last_input_time = 0;
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HHOOK hKeyboardHook = NULL;
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LRESULT CALLBACK KeyboardHookProc(int nCode, WPARAM wParam, LPARAM lParam) {
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if (nCode == HC_ACTION) {
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atomic_store(&last_input_time, time(NULL));
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}
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return CallNextHookEx(hKeyboardHook, nCode, wParam, lParam);
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}
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__declspec(dllexport) void start_hook(void) {
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if (!hKeyboardHook) {
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hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardHookProc, NULL, 0);
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}
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}
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__declspec(dllexport) void stop_hook(void) {
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if (hKeyboardHook) {
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UnhookWindowsHookEx(hKeyboardHook);
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hKeyboardHook = NULL;
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}
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}
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__declspec(dllexport) long long last_input_received(void) {
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return atomic_load(&last_input_time);
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}
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