/*
 * Copyright (c)2004 Cat's Eye Technologies.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 *   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.
 *
 *   Neither the name of Cat's Eye Technologies nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * 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 HOLDERS 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.
 */

/*
 * curses_widget.h
 * $Id: curses_widget.h,v 1.5 2005/02/08 07:49:03 cpressey Exp $
 */

#include "curses_form.h"

#ifndef __CURSES_WIDGET_H
#define __CURSES_WIDGET_H

typedef enum {
        CURSES_LABEL,
        CURSES_TEXTBOX,
        CURSES_BUTTON,
        CURSES_PROGRESS,
        CURSES_CHECKBOX,
        CURSES_LISTBOX
} widget_t;

struct curses_widget {
        struct curses_widget *next;     /* chain of widgets in form */
        struct curses_widget *prev;

        struct curses_form *form;       /* form in which widget lives */

        unsigned int x;         /* x pos of widget in form, 0 = left edge */
        unsigned int y;         /* y pos of widget in form, 0 = top edge */
        unsigned int width;     /* width of widget */
        unsigned int type;      /* CURSES_* type of widget */
        char *text;             /* for labels, textboxes, buttons */
        unsigned int size;      /* for textboxes, allocated size of text */
        unsigned int curpos;    /* for textboxes, cursor position */
        unsigned int offset;    /* for textboxes, first displayed char */
        int editable;           /* for textboxes, text is editable */
        int obscured;           /* for textboxes, text is ****'ed out */
        int amount;             /* for progress bars, sliders, checkboxes */
        int spin;               /* for progress bars */
        char *tooltip;          /* short help text displayed on statusbar */
        char accel;             /* 'accelerator' - shortcut key */
        int flags;              /* flags */

        int user_id;            /* misc integer */
        void *userdata;         /* misc pointer */

                                /* callback for when widget is clicked */
                                /* for buttons */
        int (*click_cb)(struct curses_widget *);
};

#define CURSES_WIDGET_CENTER    1       /* auto center this widget? */
#define CURSES_WIDGET_WIDEN     2       /* auto widen this widget? */

struct curses_widget    *curses_widget_new(unsigned int, unsigned int,
                                           unsigned int, widget_t,
                                           const char *,
                                           unsigned int, unsigned int);
void                     curses_widget_free(struct curses_widget *);
void                     curses_widget_draw(struct curses_widget *);
void                     curses_widget_draw_tooltip(struct curses_widget *);
int                      curses_widget_can_take_focus(struct curses_widget *);
void                     curses_widget_tooltip_set(struct curses_widget *, const char *);
int                      curses_widget_set_click_cb(struct curses_widget *,
                                                    int (*)(struct curses_widget *));
int                      curses_widget_click(struct curses_widget *);

int                      curses_textbox_advance_char(struct curses_widget *);
int                      curses_textbox_retreat_char(struct curses_widget *);
int                      curses_textbox_home(struct curses_widget *);
int                      curses_textbox_end(struct curses_widget *);
int                      curses_textbox_insert_char(struct curses_widget *, char);
int                      curses_textbox_backspace_char(struct curses_widget *);
int                      curses_textbox_delete_char(struct curses_widget *);
int                      curses_textbox_set_text(struct curses_widget *, const char *);

int                      curses_checkbox_toggle(struct curses_widget *);
int                      curses_checkbox_set(struct curses_widget *, const char *);

int                      curses_progress_spin(struct curses_widget *);

#endif /* !__CURSES_WIDGET_H */