/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.nuklear;

import javax.annotation.*;

import java.nio.*;

import org.lwjgl.system.*;

import static org.lwjgl.system.Checks.*;
import static org.lwjgl.system.MemoryUtil.*;

/**
 * <h3>Layout</h3>
 * 
 * <pre><code>
 * struct nk_text_undo_state {
 *     {@link NkTextUndoRecord struct nk_text_undo_record} undo_rec[99];
 *     nk_rune undo_char[999];
 *     short undo_point;
 *     short redo_point;
 *     short undo_char_point;
 *     short redo_char_point;
 * }</code></pre>
 */
@NativeType("struct nk_text_undo_state")
public class NkTextUndoState extends Struct<NkTextUndoState> {

    /** The struct size in bytes. */
    public static final int SIZEOF;

    /** The struct alignment in bytes. */
    public static final int ALIGNOF;

    /** The struct member offsets. */
    public static final int
        UNDO_REC,
        UNDO_CHAR,
        UNDO_POINT,
        REDO_POINT,
        UNDO_CHAR_POINT,
        REDO_CHAR_POINT;

    static {
        Layout layout = __struct(
            __array(NkTextUndoRecord.SIZEOF, NkTextUndoRecord.ALIGNOF, 99),
            __array(4, 999),
            __member(2),
            __member(2),
            __member(2),
            __member(2)
        );

        SIZEOF = layout.getSize();
        ALIGNOF = layout.getAlignment();

        UNDO_REC = layout.offsetof(0);
        UNDO_CHAR = layout.offsetof(1);
        UNDO_POINT = layout.offsetof(2);
        REDO_POINT = layout.offsetof(3);
        UNDO_CHAR_POINT = layout.offsetof(4);
        REDO_CHAR_POINT = layout.offsetof(5);
    }

    protected NkTextUndoState(long address, @Nullable ByteBuffer container) {
        super(address, container);
    }

    @Override
    protected NkTextUndoState create(long address, @Nullable ByteBuffer container) {
        return new NkTextUndoState(address, container);
    }

    /**
     * Creates a {@code NkTextUndoState} instance at the current position of the specified {@link ByteBuffer} container. Changes to the buffer's content will be
     * visible to the struct instance and vice versa.
     *
     * <p>The created instance holds a strong reference to the container object.</p>
     */
    public NkTextUndoState(ByteBuffer container) {
        super(memAddress(container), __checkContainer(container, SIZEOF));
    }

    @Override
    public int sizeof() { return SIZEOF; }

    /** @return a {@link NkTextUndoRecord}.Buffer view of the {@code undo_rec} field. */
    @NativeType("struct nk_text_undo_record[99]")
    public NkTextUndoRecord.Buffer undo_rec() { return nundo_rec(address()); }
    /** @return a {@link NkTextUndoRecord} view of the struct at the specified index of the {@code undo_rec} field. */
    @NativeType("struct nk_text_undo_record")
    public NkTextUndoRecord undo_rec(int index) { return nundo_rec(address(), index); }
    /** @return a {@link IntBuffer} view of the {@code undo_char} field. */
    @NativeType("nk_rune[999]")
    public IntBuffer undo_char() { return nundo_char(address()); }
    /** @return the value at the specified index of the {@code undo_char} field. */
    @NativeType("nk_rune")
    public int undo_char(int index) { return nundo_char(address(), index); }
    /** @return the value of the {@code undo_point} field. */
    public short undo_point() { return nundo_point(address()); }
    /** @return the value of the {@code redo_point} field. */
    public short redo_point() { return nredo_point(address()); }
    /** @return the value of the {@code undo_char_point} field. */
    public short undo_char_point() { return nundo_char_point(address()); }
    /** @return the value of the {@code redo_char_point} field. */
    public short redo_char_point() { return nredo_char_point(address()); }

    // -----------------------------------

    /** Returns a new {@code NkTextUndoState} instance for the specified memory address. */
    public static NkTextUndoState create(long address) {
        return new NkTextUndoState(address, null);
    }

    /** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
    @Nullable
    public static NkTextUndoState createSafe(long address) {
        return address == NULL ? null : new NkTextUndoState(address, null);
    }

    /**
     * Create a {@link NkTextUndoState.Buffer} instance at the specified memory.
     *
     * @param address  the memory address
     * @param capacity the buffer capacity
     */
    public static NkTextUndoState.Buffer create(long address, int capacity) {
        return new Buffer(address, capacity);
    }

    /** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
    @Nullable
    public static NkTextUndoState.Buffer createSafe(long address, int capacity) {
        return address == NULL ? null : new Buffer(address, capacity);
    }

    // -----------------------------------

    /** Unsafe version of {@link #undo_rec}. */
    public static NkTextUndoRecord.Buffer nundo_rec(long struct) { return NkTextUndoRecord.create(struct + NkTextUndoState.UNDO_REC, 99); }
    /** Unsafe version of {@link #undo_rec(int) undo_rec}. */
    public static NkTextUndoRecord nundo_rec(long struct, int index) {
        return NkTextUndoRecord.create(struct + NkTextUndoState.UNDO_REC + check(index, 99) * NkTextUndoRecord.SIZEOF);
    }
    /** Unsafe version of {@link #undo_char}. */
    public static IntBuffer nundo_char(long struct) { return memIntBuffer(struct + NkTextUndoState.UNDO_CHAR, 999); }
    /** Unsafe version of {@link #undo_char(int) undo_char}. */
    public static int nundo_char(long struct, int index) {
        return UNSAFE.getInt(null, struct + NkTextUndoState.UNDO_CHAR + check(index, 999) * 4);
    }
    /** Unsafe version of {@link #undo_point}. */
    public static short nundo_point(long struct) { return UNSAFE.getShort(null, struct + NkTextUndoState.UNDO_POINT); }
    /** Unsafe version of {@link #redo_point}. */
    public static short nredo_point(long struct) { return UNSAFE.getShort(null, struct + NkTextUndoState.REDO_POINT); }
    /** Unsafe version of {@link #undo_char_point}. */
    public static short nundo_char_point(long struct) { return UNSAFE.getShort(null, struct + NkTextUndoState.UNDO_CHAR_POINT); }
    /** Unsafe version of {@link #redo_char_point}. */
    public static short nredo_char_point(long struct) { return UNSAFE.getShort(null, struct + NkTextUndoState.REDO_CHAR_POINT); }

    // -----------------------------------

    /** An array of {@link NkTextUndoState} structs. */
    public static class Buffer extends StructBuffer<NkTextUndoState, Buffer> {

        private static final NkTextUndoState ELEMENT_FACTORY = NkTextUndoState.create(-1L);

        /**
         * Creates a new {@code NkTextUndoState.Buffer} instance backed by the specified container.
         *
         * <p>Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
         * will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
         * by {@link NkTextUndoState#SIZEOF}, and its mark will be undefined.</p>
         *
         * <p>The created buffer instance holds a strong reference to the container object.</p>
         */
        public Buffer(ByteBuffer container) {
            super(container, container.remaining() / SIZEOF);
        }

        public Buffer(long address, int cap) {
            super(address, null, -1, 0, cap, cap);
        }

        Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
            super(address, container, mark, pos, lim, cap);
        }

        @Override
        protected Buffer self() {
            return this;
        }

        @Override
        protected NkTextUndoState getElementFactory() {
            return ELEMENT_FACTORY;
        }

        /** @return a {@link NkTextUndoRecord}.Buffer view of the {@code undo_rec} field. */
        @NativeType("struct nk_text_undo_record[99]")
        public NkTextUndoRecord.Buffer undo_rec() { return NkTextUndoState.nundo_rec(address()); }
        /** @return a {@link NkTextUndoRecord} view of the struct at the specified index of the {@code undo_rec} field. */
        @NativeType("struct nk_text_undo_record")
        public NkTextUndoRecord undo_rec(int index) { return NkTextUndoState.nundo_rec(address(), index); }
        /** @return a {@link IntBuffer} view of the {@code undo_char} field. */
        @NativeType("nk_rune[999]")
        public IntBuffer undo_char() { return NkTextUndoState.nundo_char(address()); }
        /** @return the value at the specified index of the {@code undo_char} field. */
        @NativeType("nk_rune")
        public int undo_char(int index) { return NkTextUndoState.nundo_char(address(), index); }
        /** @return the value of the {@code undo_point} field. */
        public short undo_point() { return NkTextUndoState.nundo_point(address()); }
        /** @return the value of the {@code redo_point} field. */
        public short redo_point() { return NkTextUndoState.nredo_point(address()); }
        /** @return the value of the {@code undo_char_point} field. */
        public short undo_char_point() { return NkTextUndoState.nundo_char_point(address()); }
        /** @return the value of the {@code redo_char_point} field. */
        public short redo_char_point() { return NkTextUndoState.nredo_char_point(address()); }

    }

}