ui/motif/container.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 CONTAINER_H
#define	CONTAINER_H

#include "../ui/toolkit.h"
#include "../ui/container.h"
#include <cx/list.h>
#include <string.h>

#ifdef	__cplusplus
extern "C" {
#endif
    
#define UI_APPLY_LAYOUT(layout, args) \
    layout.fill = args.fill; \
    layout.hexpand = args.hexpand; \
    layout.vexpand = args.vexpand; \
    layout.hfill = args.hfill; \
    layout.vfill = args.vfill; \
    layout.colspan = args.colspan; \
    layout.rowspan = args.rowspan
    
typedef enum UiBoxOrientation UiBoxOrientation;
    
#define ui_reset_layout(layout) memset(&(layout), 0, sizeof(UiLayout))
#define ui_lb2bool(b) ((b) == UI_LAYOUT_TRUE ? TRUE : FALSE)
#define ui_bool2lb(b) ((b) ? UI_LAYOUT_TRUE : UI_LAYOUT_FALSE)

#define ui_obj_container(obj) (UiContainerPrivate*)obj->container_end
    
typedef struct UiLayout UiLayout;

struct UiLayout {
    UiTri        fill;
    UiBool       newline;
    char         *label;
    UiBool       hexpand;
    UiBool       vexpand;
    UiBool       hfill;
    UiBool       vfill;
    int          width;
    int          colspan;
    int          rowspan;
};

enum UiBoxOrientation {
    UI_BOX_VERTICAL = 0,
    UI_BOX_HORIZONTAL
};

typedef struct UiContainerPrivate UiContainerPrivate;


struct UiContainerPrivate {
    UiContainerX container;
    Widget       (*prepare)(UiContainerPrivate*, Arg *, int*);
    void         (*add)(UiContainerPrivate*, Widget);
    Widget       widget;
    UiLayout     layout;
};

typedef struct UiBoxContainer {
    UiContainerPrivate container;
    Dimension n;
} UiBoxContainer;

typedef struct UiGridContainer {
    UiContainerPrivate container;
    int x;
    int y;
} UiGridContainer;

UiContainerX* ui_box_container(UiObject *obj, Widget grid, UiBoxOrientation orientation);
Widget ui_vbox_prepare(UiContainerPrivate *ctn, Arg *args, int *n);
Widget ui_hbox_prepare(UiContainerPrivate *ctn, Arg *args, int *n);
void ui_box_container_add(UiContainerPrivate *ctn, Widget widget);

#ifdef	__cplusplus
}
#endif

#endif	/* CONTAINER_H */