ebecd60eb8
std::hash specialization is a pain to work with, stop using that, and just specialize a 'size_t hash_value(const T&)' free function.
87 lines
1.7 KiB
C++
87 lines
1.7 KiB
C++
#ifndef keys_hh_INCLUDED
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#define keys_hh_INCLUDED
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#include "unicode.hh"
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#include "flags.hh"
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#include "hash.hh"
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#include <vector>
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namespace Kakoune
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{
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struct Key
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{
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enum class Modifiers : int
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{
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None = 0,
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Control = 1 << 0,
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Alt = 1 << 1,
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ControlAlt = Control | Alt
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};
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enum NamedKey : Codepoint
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{
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// use UTF-16 surrogate pairs range
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Backspace = 0xD800,
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Delete,
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Escape,
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Up,
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Down,
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Left,
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Right,
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PageUp,
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PageDown,
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Home,
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End,
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BackTab,
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F1,
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F2,
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F3,
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F4,
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F5,
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F6,
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F7,
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F8,
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F9,
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F10,
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F11,
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F12,
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Invalid,
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};
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Modifiers modifiers;
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Codepoint key;
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constexpr Key(Modifiers modifiers, Codepoint key)
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: modifiers(modifiers), key(key) {}
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constexpr Key(Codepoint key)
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: modifiers(Modifiers::None), key(key) {}
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constexpr bool operator==(Key other) const
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{ return modifiers == other.modifiers and key == other.key; }
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constexpr bool operator!=(Key other) const
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{ return modifiers != other.modifiers or key != other.key; }
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};
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template<> struct WithBitOps<Key::Modifiers> : std::true_type {};
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using KeyList = std::vector<Key>;
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class String;
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class StringView;
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KeyList parse_keys(StringView str);
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String key_to_str(Key key);
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constexpr Key alt(Codepoint key) { return { Key::Modifiers::Alt, key }; }
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constexpr Key ctrl(Codepoint key) { return { Key::Modifiers::Control, key }; }
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constexpr Key ctrlalt(Codepoint key) { return { Key::Modifiers::ControlAlt, key }; }
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inline size_t hash_value(const Key& key) { return hash_values(key.modifiers, key.key); }
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}
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#endif // keys_hh_INCLUDED
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