ui/common/context.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2014 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef VALUE_H
#define	VALUE_H

#include "../ui/toolkit.h"
#include "../../ucx/map.h"
#include "../../ucx/mempool.h"

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct UiVar UiVar;

struct UiContext {
    UiObject     *toplevel;
    UcxMempool   *mempool;
    UcxMap       *vars; // key: char*  value: UiVar*
};

struct UiVar {
    void   *value;
    int    type;
    int    isextern;
    UcxMap *from;
};

enum UiVarType {
    UI_VAR_INTEGER = 0,
    UI_VAR_STRING
};

UiContext* uic_context(UiObject *toplevel, UcxMempool *mp);
UiVar* uic_getvar(UiContext *ctx, char *name);
UiVar* uic_connect_var(UiContext *ctx, char *name, int type);
void* uic_create_value(UcxAllocator *a, int type);


#ifdef	__cplusplus
}
#endif

#endif	/* VALUE_H */