Function Bind

libop/hook/InputHookClient.cpp:158–177

namespace op::hook::input_hook_client {

long Bind(HWND hwnd, int mode) {
    if (!::IsWindow(hwnd))
        return 0;

    std::lock_guard<std::mutex> lock(g_mutex);
    auto &refs = g_bind_refs[hwnd];
    // 鼠标和键盘 dx 会共用同一个目标进程 Hook，宿主侧只做一次注入。
    if (refs > 0) {
        ++refs;
        return 1;
    }

    const long ret = call_set_input_hook(hwnd, mode);
    if (ret == 1) {
        refs = 1;
    } else {
        g_bind_refs.erase(hwnd);
    }
    return ret;
}

long UnBind(HWND hwnd) {
    if (!hwnd)