133 lines
3.0 KiB
C++
133 lines
3.0 KiB
C++
#ifndef keys_hh_INCLUDED
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#define keys_hh_INCLUDED
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#include "coord.hh"
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#include "flags.hh"
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#include "hash.hh"
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#include "meta.hh"
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#include "optional.hh"
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#include "unicode.hh"
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#include "vector.hh"
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#include <cstdint>
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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 MouseButton
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{
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Left,
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Middle,
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Right
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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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Shift = 1 << 2,
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MousePress = 1 << 3,
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MouseRelease = 1 << 4,
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MousePos = 1 << 5,
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MouseButtonMask= 0b11 << 6,
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Scroll = 1 << 8,
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Resize = 1 << 9,
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MenuSelect = 1 << 10,
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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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Return,
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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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Insert,
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Tab,
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Space,
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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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FocusIn,
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FocusOut,
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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 Key() = default;
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constexpr uint64_t val() const { return (uint64_t)modifiers << 32 | key; }
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constexpr bool operator==(Key other) const { return val() == other.val(); }
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constexpr auto operator<=>(Key other) const { return val() <=> other.val(); }
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constexpr DisplayCoord coord() const { return {(int)((key & 0xFFFF0000) >> 16), (int)(key & 0x0000FFFF)}; }
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constexpr MouseButton mouse_button() { return MouseButton{((int)modifiers & (int)Modifiers::MouseButtonMask) >> 6}; }
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static Modifiers to_modifier(MouseButton button) { return Key::Modifiers{((int)button << 6) & (int)Modifiers::MouseButtonMask}; }
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Optional<Codepoint> codepoint() const;
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};
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constexpr bool with_bit_ops(Meta::Type<Key::Modifiers>) { return true; }
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using KeyList = Vector<Key, MemoryDomain::Mapping>;
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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 to_string(Key key);
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StringView to_string(Key::MouseButton button);
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Key::MouseButton str_to_button(StringView str);
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constexpr Key shift(Key key)
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{
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return { key.modifiers | Key::Modifiers::Shift, key.key };
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}
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constexpr Key alt(Key key)
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{
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return { key.modifiers | Key::Modifiers::Alt, key.key };
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}
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constexpr Key ctrl(Key key)
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{
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return { key.modifiers | Key::Modifiers::Control, key.key };
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}
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constexpr Codepoint encode_coord(DisplayCoord coord) { return (Codepoint)(((int)coord.line << 16) | ((int)coord.column & 0x0000FFFF)); }
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constexpr Key resize(DisplayCoord dim) { return { Key::Modifiers::Resize, encode_coord(dim) }; }
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constexpr 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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