freebsd-dev/lib/libforms/forms.h

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/*-
* Copyright (c) 1995
* Paul Richards. 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
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* notice, this list of conditions and the following disclaimer,
* verbatim and that no modifications are made prior to this
* point in the file.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Paul Richards.
* 4. The name Paul Richards may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``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 PAUL RICHARDS 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 _FORMS_H_
#define _FORMS_H_
#include <ncurses.h>
#include <strhash.h>
#define F_DEFATTR 0
#define F_SELATTR A_REVERSE
/* Status values */
#define ST_ERROR -1
#define ST_OK 0
#define ST_DONE 1
#define ST_CANCEL 2
#define ST_NOBIND 3
#define ST_RUNNING 4
typedef enum {
TT_ANY,
TT_OBJ_INST,
TT_OBJ_DEF,
TT_FUNC,
TT_DISPLAY,
TT_ATTR
} TupleType;
typedef enum {
DT_ANY,
DT_NCURSES,
DT_X,
DT_VGA
} DisplayType;
typedef enum {
OT_ACTION,
OT_COMPOUND,
OT_FUNCTION,
OT_INPUT,
OT_MENU,
OT_SHADOW,
OT_TEXT
} ObjectType;
#define FUNCP void(*)(void *)
typedef struct Tuple {
char *name;
int type;
void (*addr)(void *);
} TUPLE;
typedef struct NcursesDevice {
char *ttyname;
char *input;
char *output;
SCREEN *screen;
} NCURSDEV;
typedef struct NcursesWindow {
WINDOW *win;
} NCURSES_WINDOW;
typedef struct Display {
DisplayType type;
int height;
int width;
int virt_height;
int virt_width;
union {
NCURSDEV *ncurses;
} device;
hash_table *bind;
} DISPLAY;
typedef struct ActionObject {
char *text;
char *action;
} ACTION_OBJECT;
typedef struct CompoundObject {
char *defobj;
} COMPOUND_OBJECT;
typedef struct FunctionObject {
char *fn;
} FUNCTION_OBJECT;
typedef struct InputObject {
int lbl_flag;
char *label;
char *input;
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int limit;
} INPUT_OBJECT;
typedef struct MenuObject {
int selected;
int no_options;
char **options;
} MENU_OBJECT;
typedef struct TextObject {
char *text;
} TEXT_OBJECT;
typedef union {
NCURSES_WINDOW *ncurses;
} WIN;
typedef union {
ACTION_OBJECT *action;
COMPOUND_OBJECT *compound;
FUNCTION_OBJECT *function;
INPUT_OBJECT *input;
MENU_OBJECT *menu;
TEXT_OBJECT *text;
} OBJ_TYPE;
typedef struct Object {
ObjectType type;
int status;
struct Object *parent;
int y;
int x;
int height;
int width;
char *attributes;
char *highlight;
char *lnext;
char *lup;
char *ldown;
char *lleft;
char *lright;
char *UserDrawFunc;
char *UserProcFunc;
char *OnEntry;
char *OnExit;
OBJ_TYPE object;
hash_table *bind;
struct Display *display;
WIN window;
} OBJECT;
/* Externally visible variables */
extern hash_table *root_table;
/* Function declarations */
__inline struct Tuple *get_tuple(hash_table *, char *, TupleType);
TUPLE *tuple_search(OBJECT *, char *, TupleType);
int bind_tuple(hash_table *, char *, TupleType, void(*fn)());
int add_menu_option(MENU_OBJECT *, char *);
void draw_box(OBJECT *);
void draw_shadow(OBJECT *);
#endif /* _FORMS_H_ */