116 lines
3.1 KiB
C++
116 lines
3.1 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 "optional.hh"
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#include "unicode.hh"
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#include "vector.hh"
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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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MousePress = 1 << 2,
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MouseRelease = 1 << 3,
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MousePos = 1 << 4,
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MouseWheelDown = 1 << 5,
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MouseWheelUp = 1 << 6,
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MouseEvent = MousePress | MouseRelease | MousePos |
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MouseWheelDown | MouseWheelUp,
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Resize = 1 << 7,
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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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Tab,
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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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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 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 bool operator!=(Key other) const { return val() != other.val(); }
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constexpr bool operator<(Key other) const { return val() < other.val(); }
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constexpr CharCoord coord() const { return {(int)((key & 0xFFFF0000) >> 16), (int)(key & 0x0000FFFF)}; }
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Optional<Codepoint> codepoint() const;
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};
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template<> struct WithBitOps<Key::Modifiers> : std::true_type {};
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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 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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constexpr Codepoint encode_coord(CharCoord coord) { return (Codepoint)(((int)coord.line << 16) | ((int)coord.column & 0x0000FFFF)); }
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constexpr Key mouse_press(CharCoord pos) { return { Key::Modifiers::MousePress, encode_coord(pos) }; }
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constexpr Key mouse_release(CharCoord pos) { return { Key::Modifiers::MouseRelease, encode_coord(pos) }; }
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constexpr Key mouse_pos(CharCoord pos) { return { Key::Modifiers::MousePos, encode_coord(pos) }; }
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constexpr Key mouse_wheel_down(CharCoord pos) { return { Key::Modifiers::MouseWheelDown, encode_coord(pos) }; }
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constexpr Key mouse_wheel_up(CharCoord pos) { return { Key::Modifiers::MouseWheelUp, encode_coord(pos) }; }
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constexpr Key resize(CharCoord dim) { return { Key::Modifiers::Resize, encode_coord(dim) }; }
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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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