e49c0fb040
When unmapping a key sequence that is currently executing, we continue executing freed memory which can have weird effects. Let's instead throw an error if that happens. In future we can support unmap in this scenario. Closes #4896
83 lines
2.1 KiB
C++
83 lines
2.1 KiB
C++
#include "keymap_manager.hh"
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#include "array_view.hh"
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#include "assert.hh"
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#include "exception.hh"
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#include "string_utils.hh"
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#include <algorithm>
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namespace Kakoune
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{
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void KeymapManager::map_key(Key key, KeymapMode mode,
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KeyList mapping, String docstring)
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{
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m_mapping[KeyAndMode{key, mode}] = {std::move(mapping), std::move(docstring)};
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}
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void KeymapManager::unmap_key(Key key, KeymapMode mode)
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{
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m_mapping.remove(KeyAndMode{key, mode});
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}
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void KeymapManager::unmap_keys(KeymapMode mode)
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{
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auto it = m_mapping.begin();
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while (it != m_mapping.end())
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{
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auto& map = *it;
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if (map.key.second == mode)
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unmap_key(map.key.first, map.key.second);
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else
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++it;
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}
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}
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bool KeymapManager::is_mapped(Key key, KeymapMode mode) const
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{
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return m_mapping.find(KeyAndMode{key, mode}) != m_mapping.end() or
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(m_parent and m_parent->is_mapped(key, mode));
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}
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KeymapManager::KeymapInfo&
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KeymapManager::get_mapping(Key key, KeymapMode mode)
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{
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auto it = m_mapping.find(KeyAndMode{key, mode});
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if (it != m_mapping.end())
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return it->value;
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kak_assert(m_parent);
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return m_parent->get_mapping(key, mode);
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}
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KeymapManager::KeyList KeymapManager::get_mapped_keys(KeymapMode mode) const
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{
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KeyList res;
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if (m_parent)
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res = m_parent->get_mapped_keys(mode);
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for (auto& map : m_mapping)
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{
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if (map.key.second == mode and not contains(res, map.key.first))
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res.emplace_back(map.key.first);
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}
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return res;
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}
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void KeymapManager::add_user_mode(String user_mode_name)
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{
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auto modes = {"normal", "insert", "prompt", "menu", "goto", "view", "user", "object"};
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if (contains(modes, user_mode_name))
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throw runtime_error(format("'{}' is already a regular mode", user_mode_name));
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if (contains(user_modes(), user_mode_name))
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throw runtime_error(format("user mode '{}' already defined", user_mode_name));
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if (not all_of(user_mode_name, is_identifier))
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throw runtime_error(format("invalid mode name: '{}'", user_mode_name));
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user_modes().push_back(std::move(user_mode_name));
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}
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}
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