kakoune/src/keys.hh

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#ifndef keys_hh_INCLUDED
#define keys_hh_INCLUDED
#include "string.hh"
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#include "unicode.hh"
#include <vector>
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namespace Kakoune
{
struct Key
{
enum class Modifiers
{
None = 0,
Control = 1,
Alt = 2,
ControlAlt = 3
};
enum NamedKey : Codepoint
{
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// use UTF-16 surrogate pairs range
Backspace = 0xD800,
Delete,
Escape,
Up,
Down,
Left,
Right,
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PageUp,
PageDown,
Home,
End,
BackTab,
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F1,
F2,
F3,
F4,
F5,
F6,
F7,
F8,
F9,
F10,
F11,
F12,
Invalid,
};
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Modifiers modifiers;
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)
: 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
{ return modifiers != other.modifiers or key != other.key; }
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};
using KeyList = std::vector<Key>;
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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 }; }
constexpr Key ctrl(Codepoint key) { return { Key::Modifiers::Control, key }; }
constexpr Key ctrlalt(Codepoint key) { return { Key::Modifiers::ControlAlt, key }; }
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}
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namespace std
{
template<>
struct hash<Kakoune::Key> : unary_function<const Kakoune::Key&, size_t>
{
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size_t operator()(Kakoune::Key key) const
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{
return static_cast<size_t>(key.modifiers) * 1024 + key.key;
}
};
}
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#endif // keys_hh_INCLUDED