readline_buffer: fix "cursor in prompt" bug
It happens when readline displays a prompt just before switching to a shorter one
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77e1ebff26
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8f3c793749
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@ -27,6 +27,7 @@ namespace rdln
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private:
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std::streambuf* m_cout_buf;
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size_t m_prompt_length;
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static std::vector<std::string>& completion_commands();
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};
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@ -44,7 +44,7 @@ std::vector<std::string>& rdln::readline_buffer::completion_commands()
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}
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rdln::readline_buffer::readline_buffer()
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: std::stringbuf(), m_cout_buf(NULL)
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: std::stringbuf(), m_cout_buf(NULL), m_prompt_length(0)
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{
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current = this;
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}
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@ -86,8 +86,11 @@ void rdln::readline_buffer::set_prompt(const std::string& prompt)
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if(m_cout_buf == NULL)
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return;
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boost::lock_guard<boost::mutex> lock(sync_mutex);
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rl_set_prompt(std::string(m_prompt_length, ' ').c_str());
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rl_redisplay();
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rl_set_prompt(prompt.c_str());
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rl_redisplay();
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m_prompt_length = prompt.size();
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}
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void rdln::readline_buffer::add_completion(const std::string& command)
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