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form_wrap.c
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form_wrap.c
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/*
* This is a curses forms wrapper as part of ncurses-ruby
* Contributed by Simon Kaczor <skaczor@cox.net>
* Prognosoft Inc. <http://www.prognosoft.biz>
* Copyright 2004
*
* Changes:
* (C) 2004 Tobias Peters
* (C) 2005 2009 Tobias Herzke
* (C) 2013 Gaute Hope <eg@gaute.vetsj.com>
*
* This module is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This module is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this module; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Changes
* (C) 2011 Tobias Herzke
*/
#if defined(HAVE_FORM_H) || defined(HAVE_NCURSESW_FORM_H)
# include <wchar.h>
#include "form_wrap.h"
#include "ncurses_wrap.h"
#include "compat.h"
VALUE mForm;
VALUE cFIELD;
VALUE cFIELDTYPE;
VALUE cFORM;
void init_err_codes()
{
/* The routine succeeded. */
FORM_DEF_CONST(E_OK);
/* The field is already connected to a form. */
FORM_DEF_CONST(E_CONNECTED);
/* System error occurred (see errno). */
FORM_DEF_CONST(E_SYSTEM_ERROR);
/* Routine detected an incorrect or out-of-range argument. */
FORM_DEF_CONST(E_BAD_ARGUMENT);
/* The form is already posted. */
FORM_DEF_CONST(E_POSTED);
/* Routine was called from an initialization or termination function. */
FORM_DEF_CONST(E_BAD_STATE);
/* Form is too large for its window. */
FORM_DEF_CONST(E_NO_ROOM);
/* The form has not been posted. */
FORM_DEF_CONST(E_NOT_POSTED);
/* The form driver code saw an unknown request code. */
FORM_DEF_CONST(E_UNKNOWN_COMMAND);
/* Contents of a field are not valid. */
FORM_DEF_CONST(E_INVALID_FIELD);
/* No fields are connected to the form. */
FORM_DEF_CONST(E_NOT_CONNECTED);
/* The form driver could not process the request.} */
FORM_DEF_CONST(E_REQUEST_DENIED);
}
/*
* Form driver request characters listed in form_driver(3x) man page
*/
void init_req_constants() {
/* Move to the next page */
FORM_DEF_CONST(REQ_NEXT_PAGE);
/* Move to the previous page. */
FORM_DEF_CONST(REQ_PREV_PAGE);
/* Move to the first page. */
FORM_DEF_CONST(REQ_FIRST_PAGE);
/* Move to the last field. */
FORM_DEF_CONST(REQ_LAST_PAGE);
/* Move to the next field. */
FORM_DEF_CONST(REQ_NEXT_FIELD);
/* Move to the previous field. */
FORM_DEF_CONST(REQ_PREV_FIELD);
/* Move to the first field. */
FORM_DEF_CONST(REQ_FIRST_FIELD);
/* Move to the last field. */
FORM_DEF_CONST(REQ_LAST_FIELD);
/* Move to the sorted next field. */
FORM_DEF_CONST(REQ_SNEXT_FIELD);
/* Move to the sorted previous field. */
FORM_DEF_CONST(REQ_SPREV_FIELD);
/* Move to the sorted first field. */
FORM_DEF_CONST(REQ_SFIRST_FIELD);
/* Move to the sorted last field. */
FORM_DEF_CONST(REQ_SLAST_FIELD);
/* Move left to a field. */
FORM_DEF_CONST(REQ_LEFT_FIELD);
/* Move right to a field. */
FORM_DEF_CONST(REQ_RIGHT_FIELD);
/* Move up to a field. */
FORM_DEF_CONST(REQ_UP_FIELD);
/* Move down to a field. */
FORM_DEF_CONST(REQ_DOWN_FIELD);
/* Move to the next char. */
FORM_DEF_CONST(REQ_NEXT_CHAR);
/* Move to the previous char. */
FORM_DEF_CONST(REQ_PREV_CHAR);
/* Move to the next line. */
FORM_DEF_CONST(REQ_NEXT_LINE);
/* Move to the previous line. */
FORM_DEF_CONST(REQ_PREV_LINE);
/* Move to the next word. */
FORM_DEF_CONST(REQ_NEXT_WORD);
/* Move to the previous word. */
FORM_DEF_CONST(REQ_PREV_WORD);
/* Move to the beginning of the field. */
FORM_DEF_CONST(REQ_BEG_FIELD);
/* Move to the end of the field. */
FORM_DEF_CONST(REQ_END_FIELD);
/* Move to the beginning of the line. */
FORM_DEF_CONST(REQ_BEG_LINE);
/* Move to the end of the line. */
FORM_DEF_CONST(REQ_END_LINE);
/* Move left in the field. */
FORM_DEF_CONST(REQ_LEFT_CHAR);
/* Move right in the field. */
FORM_DEF_CONST(REQ_RIGHT_CHAR);
/* Move up in the field. */
FORM_DEF_CONST(REQ_UP_CHAR);
/* Move down in the field. */
FORM_DEF_CONST(REQ_DOWN_CHAR);
/* Insert or overlay a new line. */
FORM_DEF_CONST(REQ_NEW_LINE);
/* Insert a blank at the cursor. */
FORM_DEF_CONST(REQ_INS_CHAR);
/* Insert a blank line at the cursor. */
FORM_DEF_CONST(REQ_INS_LINE);
/* Delete character at the cursor. */
FORM_DEF_CONST(REQ_DEL_CHAR);
/* Delete character before the cursor. */
FORM_DEF_CONST(REQ_DEL_PREV);
/* Delete line at the cursor. */
FORM_DEF_CONST(REQ_DEL_LINE);
/* Delete blank-delimited word at the cursor. */
FORM_DEF_CONST(REQ_DEL_WORD);
/* Clear to end of line from cursor. */
FORM_DEF_CONST(REQ_CLR_EOL);
/* Clear to end of field from cursor. */
FORM_DEF_CONST(REQ_CLR_EOF);
/* Clear the entire field. */
FORM_DEF_CONST(REQ_CLR_FIELD);
/* Enter overlay mode. */
FORM_DEF_CONST(REQ_OVL_MODE);
/* Enter insert mode. */
FORM_DEF_CONST(REQ_INS_MODE);
/* Scroll the field forward a line. */
FORM_DEF_CONST(REQ_SCR_FLINE);
/* Scroll the field backward a line. */
FORM_DEF_CONST(REQ_SCR_BLINE);
/* Scroll the field forward a page. */
FORM_DEF_CONST(REQ_SCR_FPAGE);
/* Scroll the field backward a page. */
FORM_DEF_CONST(REQ_SCR_BPAGE);
/* Scroll the field forward half a page. */
FORM_DEF_CONST(REQ_SCR_FHPAGE);
/* Scroll the field backward half a page. */
FORM_DEF_CONST(REQ_SCR_BHPAGE);
/* Scroll the field forward a character. */
FORM_DEF_CONST(REQ_SCR_FCHAR);
/* Scroll the field backward a character. */
FORM_DEF_CONST(REQ_SCR_BCHAR);
/* Horizontal scroll the field forward a line. */
FORM_DEF_CONST(REQ_SCR_HFLINE);
/* Horizontal scroll the field backward a line. */
FORM_DEF_CONST(REQ_SCR_HBLINE);
/* Horizontal scroll the field forward half a line. */
FORM_DEF_CONST(REQ_SCR_HFHALF);
/* Horizontal scroll the field backward half a line. */
FORM_DEF_CONST(REQ_SCR_HBHALF);
/* Validate field. */
FORM_DEF_CONST(REQ_VALIDATION);
/* Display next field choice. */
FORM_DEF_CONST(REQ_NEXT_CHOICE);
/* Display previous field choice. */
FORM_DEF_CONST(REQ_PREV_CHOICE);
}
/*
* field justification constants
*/
void init_just_constants() {
FORM_DEF_CONST(NO_JUSTIFICATION);
FORM_DEF_CONST(JUSTIFY_RIGHT);
FORM_DEF_CONST(JUSTIFY_LEFT);
FORM_DEF_CONST(JUSTIFY_CENTER);
}
/*
* field options constants
*/
void init_opts_constants() {
FORM_DEF_CONST(O_VISIBLE);
FORM_DEF_CONST(O_ACTIVE);
FORM_DEF_CONST(O_PUBLIC);
FORM_DEF_CONST(O_EDIT);
FORM_DEF_CONST(O_WRAP);
FORM_DEF_CONST(O_BLANK);
FORM_DEF_CONST(O_AUTOSKIP);
FORM_DEF_CONST(O_NULLOK);
FORM_DEF_CONST(O_STATIC);
FORM_DEF_CONST(O_PASSOK);
}
void init_form_opts_constants() {
FORM_DEF_CONST(O_NL_OVERLOAD);
FORM_DEF_CONST(O_BS_OVERLOAD);
}
/*
* _PAGE wrapper
*/
/* static VALUE wrap_page(_PAGE* page) */
/* { */
/* if (page == 0) return Qnil; */
/* { */
/* VALUE pages_hash = rb_iv_get(mForm, "@pages_hash"); */
/* VALUE page_adress = INT2NUM((long)(page)); */
/* VALUE rb_page = rb_hash_aref(pages_hash, page_adress); */
/* if (rb_page == Qnil) { */
/* rb_page = Data_Wrap_Struct(cPAGE, 0, 0, page); */
/* rb_iv_set(rb_page, "@destroyed", Qfalse); */
/* rb_hash_aset(pages_hash, page_adress, rb_page); */
/* } */
/* return rb_page; */
/* } */
/* } */
/* static _PAGE* get_page(VALUE rb_page) */
/* { */
/* _PAGE* page; */
/* if (rb_page == Qnil) return 0; */
/* if (rb_iv_get(rb_page, "@destroyed") == Qtrue) { */
/* rb_raise(rb_eRuntimeError, "Attempt to access a destroyed page"); */
/* return 0; */
/* } */
/* Data_Get_Struct(rb_page, _PAGE, page); */
/* return page; */
/* } */
/*
* FIELD wrapper
*/
static VALUE wrap_field(FIELD* field)
{
if (field == 0) return Qnil;
{
VALUE fields_hash = rb_iv_get(mForm, "@fields_hash");
VALUE field_adress = INT2NUM((long)(field));
VALUE rb_field = rb_hash_aref(fields_hash, field_adress);
if (rb_field == Qnil) {
rb_field = Data_Wrap_Struct(cFIELD, 0, 0, field);
rb_iv_set(rb_field, "@destroyed", Qfalse);
rb_hash_aset(fields_hash, field_adress, rb_field);
}
return rb_field;
}
}
static FIELD* get_field(VALUE rb_field)
{
FIELD* field;
if (rb_field == Qnil) return 0;
if (rb_iv_get(rb_field, "@destroyed") == Qtrue) {
rb_raise(rb_eRuntimeError, "Attempt to access a destroyed field");
return 0;
}
Data_Get_Struct(rb_field, FIELD, field);
return field;
}
/*
* FIELDTYPE wrapper
*/
static VALUE wrap_fieldtype(FIELDTYPE* fieldtype)
{
if (fieldtype == NULL) return Qnil;
{
VALUE fieldtypes_hash = rb_iv_get(mForm, "@fieldtypes_hash");
VALUE fieldtype_adress = INT2NUM((long)(fieldtype));
VALUE rb_fieldtype = rb_hash_aref(fieldtypes_hash, fieldtype_adress);
if (rb_fieldtype == Qnil) {
rb_fieldtype = Data_Wrap_Struct(cFIELDTYPE, 0, 0, fieldtype);
rb_iv_set(rb_fieldtype, "@destroyed", Qfalse);
rb_hash_aset(fieldtypes_hash, fieldtype_adress, rb_fieldtype);
}
return rb_fieldtype;
}
}
static FIELDTYPE* get_fieldtype(VALUE rb_fieldtype)
{
FIELDTYPE* fieldtype;
if (rb_fieldtype == Qnil) return 0;
if (rb_iv_get(rb_fieldtype, "@destroyed") == Qtrue) {
rb_raise(rb_eRuntimeError, "Attempt to access a destroyed fieldtype");
return 0;
}
Data_Get_Struct(rb_fieldtype, FIELDTYPE, fieldtype);
return fieldtype;
}
/*
* FORM wrapper
*/
static VALUE wrap_form(FORM* form)
{
if (form == 0) return Qnil;
{
VALUE forms_hash = rb_iv_get(mForm, "@forms_hash");
VALUE form_adress = INT2NUM((long)(form));
VALUE rb_form = rb_hash_aref(forms_hash, form_adress);
if (rb_form == Qnil) {
rb_form = Data_Wrap_Struct(cFORM, 0, 0, form);
rb_iv_set(rb_form, "@destroyed", Qfalse);
rb_hash_aset(forms_hash, form_adress, rb_form);
}
return rb_form;
}
}
static FORM* get_form(VALUE rb_form)
{
FORM* form;
if (rb_form == Qnil) return 0;
if (rb_iv_get(rb_form, "@destroyed") == Qtrue) {
rb_raise(rb_eRuntimeError, "Attempt to access a destroyed form");
return 0;
}
Data_Get_Struct(rb_form, FORM, form);
return form;
}
/*
* Proc objects are registered using hashes (one for each type of hook)
* The key in the hash is the address of the ncurses "object" and the value is
* the Proc object.
*/
#define FIELD_INIT_HOOK 0
#define FIELD_TERM_HOOK 1
#define FORM_INIT_HOOK 2
#define FORM_TERM_HOOK 3
#define FIELDTYPE_FIELD_CHECK_HOOK 4
#define FIELDTYPE_CHAR_CHECK_HOOK 5
#define FIELDTYPE_NEXT_CHOICE_HOOK 6
#define FIELDTYPE_PREV_CHOICE_HOOK 7
#define FIELDTYPE_ARGS 8
#define PROC_HASHES_COUNT 9
static VALUE get_proc_hash(int hook) {
VALUE arr = rb_iv_get(mForm, "@proc_hashes");
VALUE hash = rb_ary_entry(arr, (long)hook);
if (hash == Qnil) {
rb_raise(rb_eRuntimeError, "Invalid proc hash.");
}
return hash;
}
/*
* Returns an existing Ruby Proc for a given owning "object" and hook type.
* Qnil will be returned if no Proc was associated with the owner
*/
static VALUE get_proc(void* owner, int hook) {
if (owner == 0) return Qnil;
{
VALUE owner_adress = INT2NUM((long)(owner));
VALUE proc_hash = get_proc_hash(hook);
VALUE proc = rb_hash_aref(proc_hash, owner_adress);
return proc;
}
}
/*
* Registers the Proc object with a given owner "object" and hook type.
* If proc is Qnil, the hook is unregistered instead.
*/
static void reg_proc(void* owner, int hook, VALUE proc) {
if (owner == NULL) return;
{
VALUE proc_hash = get_proc_hash(hook);
VALUE owner_address = INT2NUM((long)(owner));
if (proc == Qnil) {
rb_hash_delete(proc_hash, owner_address);
}
else {
rb_hash_aset(proc_hash, owner_address, proc);
}
}
}
/*
* Form creation/destruction functions
*/
static VALUE rbncurs_m_new_form(VALUE dummy, VALUE rb_field_array)
{
long n = rbncurs_array_length(rb_field_array);
/* Will ncurses free this array? If not, must do it after calling free_form(). */
FIELD** fields = ALLOC_N(FIELD*, (n+1));
long i;
for (i=0; i<n; i++){
fields[i] = get_field(rb_ary_entry(rb_field_array, i));
}
fields[n] = NULL;
return wrap_form(new_form(fields));
}
static VALUE rbncurs_c_free_form(VALUE rb_form) {
VALUE forms_hash = rb_iv_get(mForm, "@forms_hash");
FORM* form = get_form(rb_form);
VALUE form_adress = INT2NUM((long)(form));
rb_funcall(forms_hash, rb_intern("delete"), 1, form_adress);
rb_iv_set(rb_form, "@destroyed", Qtrue);
return INT2NUM(free_form(form));
}
static VALUE rbncurs_m_free_form(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_free_form(rb_form); }
/*
* form_post
*/
static VALUE rbncurs_c_post_form(VALUE rb_form) {
FORM* form = get_form(rb_form);
return INT2NUM(post_form(form));
}
static VALUE rbncurs_m_post_form(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_post_form(rb_form); }
static VALUE rbncurs_c_unpost_form(VALUE rb_form) {
FORM* form = get_form(rb_form);
return INT2NUM(unpost_form(form));
}
static VALUE rbncurs_m_unpost_form(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_unpost_form(rb_form); }
/*
* Form driver
*/
static VALUE rbncurs_c_form_driver(VALUE rb_form, VALUE c) {
FORM* form = get_form(rb_form);
return INT2NUM(form_driver(form, NUM2INT(c)));
}
static VALUE rbncurs_m_form_driver(VALUE dummy, VALUE rb_form, VALUE c)
{ return rbncurs_c_form_driver(rb_form, c); }
# ifdef HAVE_FORM_DRIVER_W
/* Form driver W */
static VALUE rbncurs_c_form_driver_w(VALUE rb_form, VALUE type, VALUE c) {
FORM* form = get_form(rb_form);
return INT2NUM(form_driver_w(form, NUM2INT(type), NUM2INT(c)));
}
static VALUE rbncurs_m_form_driver_w(VALUE dummy, VALUE rb_form, VALUE type, VALUE c)
{ return rbncurs_c_form_driver_w(rb_form, type, c); }
# endif
/*
* form_page(3x)
*/
static VALUE rbncurs_c_set_current_field(VALUE rb_form, VALUE rb_field) {
FORM* form = get_form(rb_form);
FIELD* field = get_field(rb_field);
return INT2NUM(set_current_field(form, field));
}
static VALUE rbncurs_m_set_current_field(VALUE dummy, VALUE rb_form, VALUE rb_field)
{ return rbncurs_c_set_current_field(rb_form, rb_field); }
static VALUE rbncurs_c_current_field(VALUE rb_form) {
FORM* form = get_form(rb_form);
return wrap_field(current_field(form));
}
static VALUE rbncurs_m_current_field(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_current_field(rb_form); }
static VALUE rbncurs_c_set_form_page(VALUE rb_form, VALUE n) {
FORM* form = get_form(rb_form);
return INT2NUM(set_form_page(form, NUM2INT(n)));
}
static VALUE rbncurs_m_set_form_page(VALUE dummy, VALUE rb_form, VALUE n)
{ return rbncurs_c_set_form_page(rb_form, n); }
static VALUE rbncurs_c_form_page(VALUE rb_form) {
FORM* form = get_form(rb_form);
return INT2NUM(form_page(form));
}
static VALUE rbncurs_m_form_page(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_form_page(rb_form); }
static VALUE rbncurs_c_field_index(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return INT2NUM(field_index(field));
}
static VALUE rbncurs_m_field_index(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_index(rb_field); }
/*
* form_data(3x)
*/
static VALUE rbncurs_c_data_ahead(VALUE rb_form) {
FORM* form = get_form(rb_form);
return (data_ahead(form)) ? Qtrue: Qfalse;
}
static VALUE rbncurs_m_data_ahead(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_data_ahead(rb_form); }
static VALUE rbncurs_c_data_behind(VALUE rb_form) {
FORM* form = get_form(rb_form);
return (data_behind(form)) ? Qtrue: Qfalse;
}
static VALUE rbncurs_m_data_behind(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_data_behind(rb_form); }
/*
* Field functions (form_field_new(3x))
*/
static VALUE rbncurs_m_new_field(VALUE dummy,
VALUE height, VALUE width,
VALUE toprow, VALUE leftcol,
VALUE offscreen, VALUE nbuffers) {
return wrap_field(new_field(NUM2INT(height), NUM2INT(width),
NUM2INT(toprow), NUM2INT(leftcol),
NUM2INT(offscreen), NUM2INT(nbuffers)));
}
static VALUE rbncurs_c_dup_field(VALUE rb_field, VALUE toprow, VALUE leftcol) {
FIELD* field = get_field(rb_field);
return wrap_field(dup_field(field, NUM2INT(toprow),NUM2INT(leftcol)));
}
static VALUE rbncurs_m_dup_field(VALUE dummy, VALUE rb_field, VALUE toprow, VALUE leftcol)
{ return rbncurs_c_dup_field(rb_field, toprow, leftcol); }
static VALUE rbncurs_c_link_field(VALUE rb_field, VALUE toprow, VALUE leftcol) {
FIELD* field = get_field(rb_field);
return wrap_field(link_field(field, NUM2INT(toprow),NUM2INT(leftcol)));
}
static VALUE rbncurs_m_link_field(VALUE dummy, VALUE rb_field, VALUE toprow, VALUE leftcol)
{ return rbncurs_c_link_field(rb_field, toprow, leftcol); }
static VALUE rbncurs_c_free_field(VALUE rb_field) {
VALUE fields_hash = rb_iv_get(mForm, "@fields_hash");
FIELD* field = get_field(rb_field);
VALUE field_adress = INT2NUM((long)(field));
rb_funcall(fields_hash, rb_intern("delete"), 1, field_adress);
rb_iv_set(rb_field, "@destroyed", Qtrue);
return INT2NUM(free_field(field));
}
static VALUE rbncurs_m_free_field(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_free_field(rb_field); }
/*
* form_field_info(3x)
*/
static VALUE rbncurs_c_field_info(VALUE rb_field, VALUE rows, VALUE cols,
VALUE frow, VALUE fcol, VALUE nrow, VALUE nbuf) {
if (rb_obj_is_instance_of(rows, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(cols, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(frow, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(fcol, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(nrow, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(nbuf, rb_cArray) != Qtrue) {
rb_raise(rb_eArgError,
"rows, cols, frow, fcol, nrow and nbuf arguments must be empty Arrays");
return Qnil;
}
else {
FIELD* field = get_field(rb_field);
int vals[6] = {0,0,0,0,0,0};
int result = field_info(field, &vals[0],&vals[1],&vals[2],&vals[3],&vals[4],&vals[5]);
rb_ary_push(rows, INT2NUM(vals[0]));
rb_ary_push(cols, INT2NUM(vals[1]));
rb_ary_push(frow, INT2NUM(vals[2]));
rb_ary_push(fcol, INT2NUM(vals[3]));
rb_ary_push(nrow, INT2NUM(vals[4]));
rb_ary_push(nbuf, INT2NUM(vals[5]));
return INT2NUM(result);
}
}
static VALUE rbncurs_m_field_info(VALUE dummy, VALUE rb_field, VALUE rows, VALUE cols,
VALUE frow, VALUE fcol, VALUE nrow, VALUE nbuf)
{ return rbncurs_c_field_info(rb_field, rows, cols, frow, fcol, nrow, nbuf); }
static VALUE rbncurs_c_dynamic_field_info(VALUE rb_field, VALUE rows, VALUE cols,
VALUE max) {
if (rb_obj_is_instance_of(rows, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(cols, rb_cArray) != Qtrue
|| rb_obj_is_instance_of(max, rb_cArray) != Qtrue) {
rb_raise(rb_eArgError,
"rows, cols and max arguments must be empty Arrays");
return Qnil;
}
else {
FIELD* field = get_field(rb_field);
int vals[3] = {0,0,0};
int result = dynamic_field_info(field, &vals[0],&vals[1],&vals[2]);
rb_ary_push(rows, INT2NUM(vals[0]));
rb_ary_push(cols, INT2NUM(vals[1]));
rb_ary_push(max, INT2NUM(vals[2]));
return INT2NUM(result);
}
}
static VALUE rbncurs_m_dynamic_field_info(VALUE dummy, VALUE rb_field, VALUE rows, VALUE cols,
VALUE max)
{ return rbncurs_c_dynamic_field_info(rb_field, rows, cols, max); }
/*
* field_validation
*/
static VALUE rbncurs_c_set_field_type(int argc, VALUE* argv, VALUE rb_field) {
VALUE rb_fieldtype, arg3, arg4, arg5;
FIELD* field = get_field(rb_field);
FIELDTYPE* ftype = NULL;
rb_scan_args(argc, argv, "13", &rb_fieldtype, &arg3, &arg4, &arg5);
ftype = get_fieldtype(rb_fieldtype);
if (ftype == TYPE_ALNUM ||
ftype == TYPE_ALPHA) {
if (argc != 2)
rb_raise(rb_eArgError, "TYPE_ALNUM and TYPE_ALPHA require one additional argument");
return INT2NUM(set_field_type(field, ftype,
NUM2INT(arg3)));
}
if (ftype == TYPE_ENUM) {
if (argc != 4) {
rb_raise(rb_eArgError, "TYPE_ENUM requires three additional arguments");
}
else {
int n = (int) rbncurs_array_length(arg3);
/* Will ncurses free this array of strings in free_field()? */
char** list = ALLOC_N(char*, n+1);
int i;
for (i = 0; i < n; i++) {
list[i] = STR2CSTR(rb_ary_entry(arg3, (long)i));
}
list[n] = NULL;
return INT2NUM(set_field_type(field, ftype,
list,
RTEST(arg4),
RTEST(arg5)));
}
}
else if (ftype == TYPE_INTEGER) {
if (argc != 4)
rb_raise(rb_eArgError, "TYPE_INTEGER requires three additional arguments");
return INT2NUM(set_field_type(field, ftype,
NUM2INT(arg3),
NUM2LONG(arg4),
NUM2LONG(arg5)));
}
else if (ftype == TYPE_NUMERIC) {
if (argc != 4)
rb_raise(rb_eArgError, "TYPE_NUMERIC requires three additional arguments");
return INT2NUM(set_field_type(field, ftype,
NUM2INT(arg3),
NUM2DBL(arg4),
NUM2DBL(arg5)));
}
else if (ftype == TYPE_REGEXP){
if (argc != 2)
rb_raise(rb_eArgError, "TYPE_REGEXP requires one additional argument");
return INT2NUM(set_field_type(field, ftype,
STR2CSTR(arg3)));
}
else if (ftype == TYPE_IPV4){
if (argc != 1)
rb_raise(rb_eArgError, "TYPE_IPV4 has no additional arguments");
return INT2NUM(set_field_type(field, ftype));
}
else {
/* It is a user-defined field type. */
/* Will store the arguments associated with this field */
/* for use in the callback function. */
VALUE rest;
rb_scan_args(argc, argv, "1*", &rb_fieldtype, &rest);
reg_proc(field, FIELDTYPE_ARGS, rest);
/* Pass field as an optional parameter so that make_arg can create */
/* the block-argument used in finding the appropriate Ruby Proc */
return INT2NUM(set_field_type(field, ftype, field));
}
}
static VALUE rbncurs_m_set_field_type(int argc, VALUE* argv, VALUE dummy)
{ return rbncurs_c_set_field_type(argc-1, argv+1, argv[0]); }
static VALUE rbncurs_c_field_type(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return wrap_fieldtype(field_type(field));
}
static VALUE rbncurs_m_field_type(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_type(rb_field); }
/* What is this function doing??? */
static VALUE rbncurs_c_field_arg(VALUE rb_field) {
FIELD* field = get_field(rb_field);
field_arg(field);
return Qfalse;
}
static VALUE rbncurs_m_field_arg(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_arg(rb_field); }
/*
* field_attributes
*/
static VALUE rbncurs_c_set_field_fore(VALUE rb_field, VALUE attr) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_fore(field, (int) NUM2ULONG(attr)));
}
static VALUE rbncurs_m_set_field_fore(VALUE dummy, VALUE rb_field, VALUE attr)
{ return rbncurs_c_set_field_fore(rb_field, attr); }
static VALUE rbncurs_c_field_fore(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return ULONG2NUM(field_fore(field));
}
static VALUE rbncurs_m_field_fore(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_fore(rb_field); }
static VALUE rbncurs_c_set_field_back(VALUE rb_field, VALUE attr) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_back(field, (int) NUM2ULONG(attr)));
}
static VALUE rbncurs_m_set_field_back(VALUE dummy, VALUE rb_field, VALUE attr)
{ return rbncurs_c_set_field_back(rb_field, attr); }
static VALUE rbncurs_c_field_back(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return ULONG2NUM(field_back(field));
}
static VALUE rbncurs_m_field_back(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_back(rb_field); }
static VALUE rbncurs_c_set_field_pad(VALUE rb_field, VALUE pad) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_pad(field, NUM2INT(pad)));
}
static VALUE rbncurs_m_set_field_pad(VALUE dummy, VALUE rb_field, VALUE pad)
{ return rbncurs_c_set_field_pad(rb_field, pad); }
static VALUE rbncurs_c_field_pad(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return INT2NUM(field_pad(field));
}
static VALUE rbncurs_m_field_pad(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_pad(rb_field); }
/*
* field_buffer
*/
static VALUE rbncurs_c_set_field_buffer(VALUE rb_field, VALUE buf, VALUE value) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_buffer(field, NUM2INT(buf), STR2CSTR(value)));
}
static VALUE rbncurs_m_set_field_buffer(VALUE dummy, VALUE rb_field, VALUE buf, VALUE value)
{ return rbncurs_c_set_field_buffer(rb_field, buf, value); }
static VALUE rbncurs_c_field_buffer(VALUE rb_field, VALUE buffer) {
FIELD* field = get_field(rb_field);
return rb_str_new2(field_buffer(field, NUM2INT(buffer)));
}
static VALUE rbncurs_m_field_buffer(VALUE dummy, VALUE rb_field, VALUE buffer)
{ return rbncurs_c_field_buffer(rb_field, buffer); }
static VALUE rbncurs_c_set_field_status(VALUE rb_field, VALUE status) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_status(field, RTEST(status)));
}
static VALUE rbncurs_m_set_field_status(VALUE dummy, VALUE rb_field, VALUE status)
{ return rbncurs_c_set_field_status(rb_field, status); }
static VALUE rbncurs_c_field_status(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return (field_status(field)) ? Qtrue: Qfalse;
}
static VALUE rbncurs_m_field_status(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_status(rb_field); }
static VALUE rbncurs_c_set_max_field(VALUE rb_field, VALUE max) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_max_field(field, NUM2INT(max)));
}
static VALUE rbncurs_m_set_max_field(VALUE dummy, VALUE rb_field, VALUE max)
{ return rbncurs_c_set_max_field(rb_field, max); }
/*
* form_field
*/
static VALUE rbncurs_c_set_form_fields(VALUE rb_form, VALUE rb_field_array) {
long n = rbncurs_array_length(rb_field_array);
/* If ncurses does not free memory used by the previous array of strings, */
/* we will have to do it now. */
FIELD** fields = ALLOC_N(FIELD*, (n+1));
long i;
FORM* form = NULL;
for (i=0; i<n; i++){
fields[i] = get_field(rb_ary_entry(rb_field_array, i));
}
fields[n] = NULL;
form = get_form(rb_form);
return INT2NUM(set_form_fields(form, fields));
}
static VALUE rbncurs_m_set_form_fields(VALUE dummy, VALUE rb_form, VALUE rb_field_array)
{ return rbncurs_c_set_form_fields(rb_form, rb_field_array); }
static VALUE rbncurs_c_form_fields(VALUE rb_form) {
FORM* form = get_form(rb_form);
FIELD** fields = form_fields(form);
VALUE arr = Qundef;
int i;
if (fields == NULL)
rb_raise(rb_eRuntimeError, "Error retrieving form fields");
arr = rb_ary_new();
i=0;
while (fields[i] != NULL)
{
rb_ary_push(arr, wrap_field(fields[i++]));
}
return arr;
}
static VALUE rbncurs_m_form_fields(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_form_fields(rb_form); }
static VALUE rbncurs_c_field_count(VALUE rb_form) {
FORM* form = get_form(rb_form);
return INT2NUM(field_count(form));
}
static VALUE rbncurs_m_field_count(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_field_count(rb_form); }
static VALUE rbncurs_c_move_field(VALUE rb_field, VALUE frow, VALUE fcol) {
FIELD* field = get_field(rb_field);
return INT2NUM(move_field(field, NUM2INT(frow), NUM2INT(fcol)));
}
static VALUE rbncurs_m_move_field(VALUE dummy, VALUE rb_field, VALUE frow, VALUE fcol)
{ return rbncurs_c_move_field(rb_field, frow, fcol); }
/*
* form_hook
*/
static void field_init_hook(FORM* form) {
/* Find the Proc object associated with this form */
VALUE proc = get_proc(form, FIELD_INIT_HOOK);
if (proc != Qnil) {
VALUE rb_form = wrap_form(form);
rb_funcall(proc, rb_intern("call"), 1, rb_form);
}
}
static VALUE rbncurs_c_set_field_init(VALUE rb_form, VALUE proc) {
FORM* form = NULL;
if (!rb_obj_is_kind_of(rb_form, cFORM))
rb_raise(rb_eArgError, "arg1 must be a FORM object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
form = get_form(rb_form);
reg_proc(form, FIELD_INIT_HOOK, proc);
if (proc != Qnil) {
return INT2NUM(set_field_init(form, field_init_hook));
}
else {
return INT2NUM(set_field_init(form, NULL));
}
}
static VALUE rbncurs_m_set_field_init(VALUE dummy, VALUE rb_form, VALUE proc)
{ return rbncurs_c_set_field_init(rb_form, proc); }
static VALUE rbncurs_c_field_init(VALUE rb_form) {
FORM* form = get_form(rb_form);
return get_proc(form, FIELD_INIT_HOOK);
}
static VALUE rbncurs_m_field_init(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_field_init(rb_form); }
static void field_term_hook(FORM* form) {
/* Find the Proc object associated with this form */
VALUE proc = get_proc(form, FIELD_TERM_HOOK);
if (proc != Qnil) {
VALUE rb_form = wrap_form(form);
rb_funcall(proc, rb_intern("call"), 1, rb_form);
}
}
static VALUE rbncurs_c_set_field_term(VALUE rb_form, VALUE proc) {
FORM * form = NULL;
if (!rb_obj_is_kind_of(rb_form, cFORM))
rb_raise(rb_eArgError, "arg1 must be a FORM object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
form = get_form(rb_form);
reg_proc(form, FIELD_TERM_HOOK, proc);
if (proc != Qnil) {
return INT2NUM(set_field_term(form, field_term_hook));
}
else {
return INT2NUM(set_field_term(form, NULL));
}
}
static VALUE rbncurs_m_set_field_term(VALUE dummy, VALUE rb_form, VALUE proc)
{ return rbncurs_c_set_field_term(rb_form, proc); }
static VALUE rbncurs_c_field_term(VALUE rb_form) {
FORM* form = get_form(rb_form);
return get_proc(form, FIELD_TERM_HOOK);
}
static VALUE rbncurs_m_field_term(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_field_term(rb_form); }
static void form_init_hook(FORM* form) {
/* Find the Proc object associated with this form */
VALUE proc = get_proc(form, FORM_INIT_HOOK);
if (proc != Qnil) {
VALUE rb_form = wrap_form(form);
rb_funcall(proc, rb_intern("call"), 1, rb_form);
}
}
static VALUE rbncurs_c_set_form_init(VALUE rb_form, VALUE proc) {
FORM * form = NULL;
if (!rb_obj_is_kind_of(rb_form, cFORM))
rb_raise(rb_eArgError, "arg1 must be a FORM object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
form = get_form(rb_form);
reg_proc(form, FORM_INIT_HOOK, proc);
if (proc != Qnil) {
return INT2NUM(set_form_init(form, form_init_hook));
}
else {
return INT2NUM(set_form_init(form, NULL));
}
}
static VALUE rbncurs_m_set_form_init(VALUE dummy, VALUE rb_form, VALUE proc)
{ return rbncurs_c_set_form_init(rb_form, proc); }
static VALUE rbncurs_c_form_init(VALUE rb_form) {
FORM* form = get_form(rb_form);
return get_proc(form, FORM_INIT_HOOK);
}
static VALUE rbncurs_m_form_init(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_form_init(rb_form); }
static void form_term_hook(FORM* form) {
/* Find the Proc object associated with this form */
VALUE proc = get_proc(form, FORM_TERM_HOOK);
if (proc != Qnil) {
VALUE rb_form = wrap_form(form);
rb_funcall(proc, rb_intern("call"), 1, rb_form);
}
}
static VALUE rbncurs_c_set_form_term(VALUE rb_form, VALUE proc) {
FORM * form = NULL;
if (!rb_obj_is_kind_of(rb_form, cFORM))
rb_raise(rb_eArgError, "arg1 must be a FORM object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
form = get_form(rb_form);
reg_proc(form, FORM_TERM_HOOK, proc);
if (proc != Qnil) {
return INT2NUM(set_form_term(form, form_term_hook));
}
else {
return INT2NUM(set_form_term(form, NULL));
}
}
static VALUE rbncurs_m_set_form_term(VALUE dummy, VALUE rb_form, VALUE proc)
{ return rbncurs_c_set_form_term(rb_form, proc); }
static VALUE rbncurs_c_form_term(VALUE rb_form) {
FORM* form = get_form(rb_form);
return get_proc(form, FORM_TERM_HOOK);
}
static VALUE rbncurs_m_form_term(VALUE dummy, VALUE rb_form)
{ return rbncurs_c_form_term(rb_form); }
/*
* form_field_just
*/
static VALUE rbncurs_c_set_field_just(VALUE rb_field, VALUE justification) {
FIELD* field = get_field(rb_field);
return INT2NUM(set_field_just(field, NUM2INT(justification)));
}
static VALUE rbncurs_m_set_field_just(VALUE dummy, VALUE rb_field, VALUE justification)
{ return rbncurs_c_set_field_just(rb_field, justification); }
static VALUE rbncurs_c_field_just(VALUE rb_field) {
FIELD* field = get_field(rb_field);
return INT2NUM(field_just(field));
}
static VALUE rbncurs_m_field_just(VALUE dummy, VALUE rb_field)
{ return rbncurs_c_field_just(rb_field); }
/*
* form_field_opts
*/
static VALUE rbncurs_c_set_field_opts(VALUE rb_field, VALUE opts) {