Method onPastePressed

Tactility/Source/app/files/View.cpp:733–766

}

void View::onPastePressed() {
    auto clipboard = state->getClipboard();
    if (!clipboard.has_value()) return;

    std::string src = clipboard->first;
    bool is_cut = clipboard->second;
    std::string entry_name = file::getLastPathSegment(src);
    std::string dst = file::getChildPath(state->getCurrentPath(), entry_name);

    // Note: getLock(src) guards the source path; the existence check below is
    // against dst, so there is a TOCTOU gap — another writer could create dst
    // between this check and the write inside doPaste.  Acceptable on a
    // single-user embedded device; locking dst instead would be more correct.
    if (src == dst) {
        LOGGER.info("Paste: source and destination are the same path, skipping");
        return;
    }
    auto lock = file::getLock(src);
    lock->lock();

    struct stat st;
    bool dst_exists = (stat(dst.c_str(), &st) == 0);
    lock->unlock();

    if (dst_exists) {
        state->setPendingPasteDst(dst);
        state->setPendingAction(State::ActionPaste);
        const std::vector<std::string> choices = {"Overwrite", "Cancel"};
        alertdialog::start("File exists", "Overwrite \"" + entry_name + "\"?", choices);
        return;
    }

    doPaste(src, is_cut, dst);
}

void View::doPaste(const std::string& src, bool is_cut, const std::string& dst) {
    bool success = false;