Program Listing for File keymap.h

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#pragma once

#include <cstdint>

using UTF8Char = char;
using UTF8String = char const*;

namespace gpa {
namespace utility {

#undef MOD_SHIFT  //coming from windows.h
#undef MOD_ALT

enum Modifier {
    MOD_NONE = 0x00,
    MOD_LSHIFT = 0x01,
    MOD_RSHIFT = 0x02,
    MOD_SHIFT = MOD_LSHIFT | MOD_RSHIFT,
    MOD_LCTRL = 0x04,
    MOD_RCTRL = 0x08,
    MOD_CTRL = MOD_LCTRL | MOD_RCTRL,
    MOD_LALT = 0x10,
    MOD_RALT = 0x20,
    MOD_ALT = MOD_LALT | MOD_RALT,
};

class KeyMap
{
public:
    virtual ~KeyMap();

    virtual void Add(UTF8Char keyChar, UTF8String action, uint8_t modifier) = 0;

    virtual UTF8String Lookup(UTF8Char keyChar, uint8_t modifier) const = 0;

    virtual bool IsEmpty() const = 0;
};

KeyMap* CreateKeyMap();

}  // namespace utility
}  // namespace gpa