#pragma once

#include <QList>
#include <QString>

struct xkb_keymap;

// One typing key of a keymap layout, at its shift and AltGr levels. A level
// is either text or a dead key (then the text is its spacing accent, for labels).
struct KeymapKey {
    enum class Position { Regular, Backslash, LessGreater }; // BKSL, LSGT: not on every keyboard

    Position position = Position::Regular;
    QString lower;
    QString upper;
    quint32 deadLower = 0; // dead keysym, 0 if the level types text
    quint32 deadUpper = 0;
    QString altGr;      // third level (AltGr), empty if it types nothing
    QString altGrUpper; // fourth level (AltGr+Shift)
    quint32 deadAltGr = 0;
    quint32 deadAltGrUpper = 0;

    bool isLetter() const;
};

// The typing keys one layout of an XKB keymap has on a physical keyboard,
// in its four rows: 0 number row (TLDE, AE01–AE12), 1 top (AD01–AD12, BKSL),
// 2 home (AC01–AC11), 3 bottom (LSGT, AB01–AB10). Keys that type nothing on
// either level are left out.
struct KeymapKeys {
    QString name; // e.g. "Slovak"
    QList<QList<KeymapKey>> rows;
};

KeymapKeys readKeymapKeys(xkb_keymap *keymap, quint32 layoutIndex);

// Spacing accent for a dead keysym, used as its label and when nothing composes: ´ for dead_acute.
QString deadKeyText(quint32 keysym);