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menu_wrap.c
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menu_wrap.c
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/*
* This is a curses menu wrapper as part of ncurses-ruby.
* It borrows heavily from form_wrap.c.
* Contributed by Earle Clubb <[email protected]>
* Valcom Inc. <http://www.valcom.com>
* Copyright 2007
*
* Modifications
* (C) 2009 Tobias Herzke
*
* 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_MENU_H) || defined(HAVE_NCURSESW_MENU_H)
#include "menu_wrap.h"
#include "ncurses_wrap.h"
#include "compat.h"
VALUE mMenu;
VALUE cITEM;
VALUE cMENU;
void init_menu_err_codes(void)
{
/* The routine succeeded. */
MENU_DEF_CONST(E_OK);
/* System error occurred (see errno). */
MENU_DEF_CONST(E_SYSTEM_ERROR);
/* Routine detected an incorrect or out-of-range argument. */
MENU_DEF_CONST(E_BAD_ARGUMENT);
/* The menu is already posted. */
MENU_DEF_CONST(E_POSTED);
/* Routine was called from an initialization or termination function. */
MENU_DEF_CONST(E_BAD_STATE);
/* Menu is too large for its window. */
MENU_DEF_CONST(E_NO_ROOM);
/* The menu has not been posted. */
MENU_DEF_CONST(E_NOT_POSTED);
/* The menu driver code saw an unknown request code. */
MENU_DEF_CONST(E_UNKNOWN_COMMAND);
/* Character failed to match. */
MENU_DEF_CONST(E_NO_MATCH);
/* The designated item cannot be selected. */
MENU_DEF_CONST(E_NOT_SELECTABLE);
/* No items are connected to the menu. */
MENU_DEF_CONST(E_NOT_CONNECTED);
/* The menu driver could not process the request.} */
MENU_DEF_CONST(E_REQUEST_DENIED);
}
/*
* Menu driver request characters - menu_driver(3x) man page
*/
void init_menu_req_constants(void)
{
/* Move left to an item. */
MENU_DEF_CONST(REQ_LEFT_ITEM);
/* Move right to an item. */
MENU_DEF_CONST(REQ_RIGHT_ITEM);
/* Move up to an item. */
MENU_DEF_CONST(REQ_UP_ITEM);
/* Move down to an item. */
MENU_DEF_CONST(REQ_DOWN_ITEM);
/* Scroll up a line. */
MENU_DEF_CONST(REQ_SCR_ULINE);
/* Scroll down a line. */
MENU_DEF_CONST(REQ_SCR_DLINE);
/* Scroll up a page. */
MENU_DEF_CONST(REQ_SCR_UPAGE);
/* Scroll down a page. */
MENU_DEF_CONST(REQ_SCR_DPAGE);
/* Move to the first item. */
MENU_DEF_CONST(REQ_FIRST_ITEM);
/* Move to the last item. */
MENU_DEF_CONST(REQ_LAST_ITEM);
/* Move to the next item. */
MENU_DEF_CONST(REQ_NEXT_ITEM);
/* Move to the previous item. */
MENU_DEF_CONST(REQ_PREV_ITEM);
/* Select/deselect an item. */
MENU_DEF_CONST(REQ_TOGGLE_ITEM);
/* Clear the menu pattern buffer. */
MENU_DEF_CONST(REQ_CLEAR_PATTERN);
/* Delete the previous character from the pattern buffer. */
MENU_DEF_CONST(REQ_BACK_PATTERN);
/* Move to the next item matching the pattern match. */
MENU_DEF_CONST(REQ_NEXT_MATCH);
/* Move to the previous item matching the pattern match. */
MENU_DEF_CONST(REQ_PREV_MATCH);
}
/*
* Item options - mitem_opts(3x) man page
*/
void init_item_opts_constants(void)
{
/* Item may be selected during menu processing. */
MENU_DEF_CONST(O_SELECTABLE);
}
/*
* Menu options - menu_opts(3x) man page
*/
void init_menu_opts_constants(void)
{
/* Only one item can be selected for this menu. */
MENU_DEF_CONST(O_ONEVALUE);
/* Display the item descriptions when the menu is posted. */
MENU_DEF_CONST(O_SHOWDESC);
/* Display the menu in row-major order. */
MENU_DEF_CONST(O_ROWMAJOR);
/* Ignore the case when pattern-matching. */
MENU_DEF_CONST(O_IGNORECASE);
/* Move the cursor to within the item name while pattern-matching. */
MENU_DEF_CONST(O_SHOWMATCH);
/* Don’t wrap around next-item and previous-item, requests to the other end of the menu. */
MENU_DEF_CONST(O_NONCYCLIC);
}
/*
* ITEM wrapper
*/
static VALUE wrap_item(ITEM *item)
{
if (item == 0) return Qnil;
{
VALUE items_hash = rb_iv_get(mMenu, "@items_hash");
VALUE item_address = INT2NUM((long)(item));
VALUE rb_item = rb_hash_aref(items_hash, item_address);
if (rb_item == Qnil)
{
rb_item = Data_Wrap_Struct(cITEM, 0, 0, item);
rb_iv_set(rb_item, "@destroyed", Qfalse);
rb_hash_aset(items_hash, item_address, rb_item);
}
return rb_item;
}
}
static ITEM *get_item(VALUE rb_item)
{
ITEM *item;
if (rb_item == Qnil) return 0;
if (rb_iv_get(rb_item, "@destroyed") == Qtrue)
{
rb_raise(rb_eRuntimeError, "Attempt to access a destroyed item");
return 0;
}
Data_Get_Struct(rb_item, ITEM, item);
return item;
}
/*
* MENU wrapper
*/
static VALUE wrap_menu(MENU *menu)
{
if (menu == 0) return Qnil;
{
VALUE menus_hash = rb_iv_get(mMenu, "@menus_hash");
VALUE menu_address = INT2NUM((long)(menu));
VALUE rb_menu = rb_hash_aref(menus_hash, menu_address);
if (rb_menu == Qnil)
{
rb_menu = Data_Wrap_Struct(cMENU, 0, 0, menu);
rb_iv_set(rb_menu, "@destroyed", Qfalse);
rb_hash_aset(menus_hash, menu_address, rb_menu);
}
return rb_menu;
}
}
static MENU *get_menu(VALUE rb_menu)
{
MENU *menu;
if (rb_menu == Qnil) return 0;
if (rb_iv_get(rb_menu, "@destroyed") == Qtrue)
{
rb_raise(rb_eRuntimeError, "Attempt to access a destroyed menu");
return 0;
}
Data_Get_Struct(rb_menu, MENU, menu);
return menu;
}
/*
* 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 ITEM_INIT_HOOK 0
#define ITEM_TERM_HOOK 1
#define MENU_INIT_HOOK 2
#define MENU_TERM_HOOK 3
#define PROC_HASHES_COUNT 4
static VALUE get_proc_hash(int hook)
{
VALUE arr = rb_iv_get(mMenu, "@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_address = INT2NUM((long)(owner));
VALUE proc_hash = get_proc_hash(hook);
VALUE proc = rb_hash_aref(proc_hash, owner_address);
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);
}
}
/*
* Menu creation/destruction functions - menu_new(3X) man page
*/
static VALUE rbncurs_m_new_menu(VALUE dummy, VALUE rb_item_array)
{
long n = rbncurs_array_length(rb_item_array);
/* Will ncurses free this array? If not, must do it after calling free_menu(). */
ITEM **items = ALLOC_N(ITEM*, (n+1));
long i;
for (i=0; i<n; i++)
items[i] = get_item(rb_ary_entry(rb_item_array, i));
items[n] = NULL;
return wrap_menu(new_menu(items));
}
static VALUE rbncurs_c_free_menu(VALUE rb_menu)
{
VALUE menus_hash = rb_iv_get(mMenu, "@menus_hash");
MENU *menu = get_menu(rb_menu);
VALUE menu_address = INT2NUM((long)(menu));
rb_funcall(menus_hash, rb_intern("delete"), 1, menu_address);
rb_iv_set(rb_menu, "@destroyed", Qtrue);
return INT2NUM(free_menu(menu));
}
static VALUE rbncurs_m_free_menu(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_free_menu(rb_menu); }
/*
* Menu post/unpost functions - menu_post(3X) man page
*/
static VALUE rbncurs_c_post_menu(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(post_menu(menu));
}
static VALUE rbncurs_m_post_menu(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_post_menu(rb_menu); }
static VALUE rbncurs_c_unpost_menu(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(unpost_menu(menu));
}
static VALUE rbncurs_m_unpost_menu(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_unpost_menu(rb_menu); }
/*
* Menu driver - menu_driver(3X) man page
*/
static VALUE rbncurs_c_menu_driver(VALUE rb_menu, VALUE c)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(menu_driver(menu, NUM2INT(c)));
}
static VALUE rbncurs_m_menu_driver(VALUE dummy, VALUE rb_menu, VALUE c)
{ return rbncurs_c_menu_driver(rb_menu, c); }
/*
* Current menu item get/set functions - mitem_current(3X) man page
*/
static VALUE rbncurs_c_current_item(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return wrap_item(current_item(menu));
}
static VALUE rbncurs_m_current_item(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_current_item(rb_menu); }
static VALUE rbncurs_c_set_current_item(VALUE rb_menu, VALUE rb_item)
{
MENU *menu = get_menu(rb_menu);
ITEM *item = get_item(rb_item);
return INT2NUM(set_current_item(menu, item));
}
static VALUE rbncurs_m_set_current_item(VALUE dummy, VALUE rb_menu, VALUE rb_item)
{ return rbncurs_c_set_current_item(rb_menu, rb_item); }
static VALUE rbncurs_c_top_row(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(top_row(menu));
}
static VALUE rbncurs_m_top_row(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_top_row(rb_menu); }
static VALUE rbncurs_c_set_top_row(VALUE rb_menu, VALUE n)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_top_row(menu, NUM2INT(n)));
}
static VALUE rbncurs_m_set_top_row(VALUE dummy, VALUE rb_menu, VALUE rb_item)
{ return rbncurs_c_set_top_row(rb_menu, rb_item); }
static VALUE rbncurs_c_item_index(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return INT2NUM(item_index(item));
}
static VALUE rbncurs_m_item_index(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_index(rb_item); }
/*
* Item creation/destruction functions - mitem_new(3X) man page
*/
static VALUE rbncurs_m_new_item(VALUE dummy, VALUE name, VALUE description)
{ return wrap_item(new_item(STR2CSTR(name), STR2CSTR(description))); }
static VALUE rbncurs_c_free_item(VALUE rb_item)
{
VALUE items_hash = rb_iv_get(mMenu, "@items_hash");
ITEM *item = get_item(rb_item);
VALUE item_address = INT2NUM((long)(item));
rb_funcall(items_hash, rb_intern("delete"), 1, item_address);
rb_iv_set(rb_item, "@destroyed", Qtrue);
return INT2NUM(free_item(item));
}
static VALUE rbncurs_m_free_item(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_free_item(rb_item); }
/*
* Item-menu connection make/break functions - menu_items(3X) man page
*/
static VALUE rbncurs_c_set_menu_items(VALUE rb_menu, VALUE rb_item_array)
{
long n = rbncurs_array_length(rb_item_array);
/* If ncurses does not free memory used by the previous array of strings, */
/* we will have to do it now. */
ITEM **items = ALLOC_N(ITEM*, (n+1));
long i;
MENU *menu = NULL;
for (i=0; i<n; i++)
items[i] = get_item(rb_ary_entry(rb_item_array, i));
items[n] = NULL;
menu = get_menu(rb_menu);
return INT2NUM(set_menu_items(menu, items));
}
static VALUE rbncurs_m_set_menu_items(VALUE dummy, VALUE rb_menu, VALUE rb_item_array)
{ return rbncurs_c_set_menu_items(rb_menu, rb_item_array); }
static VALUE rbncurs_c_menu_items(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
ITEM **items = menu_items(menu);
VALUE arr = Qundef;
int i;
if (items == NULL)
rb_raise(rb_eRuntimeError, "Error retrieving menu items");
arr = rb_ary_new();
i=0;
while (items[i] != NULL)
rb_ary_push(arr, wrap_item(items[i++]));
return arr;
}
static VALUE rbncurs_m_menu_items(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_items(rb_menu); }
static VALUE rbncurs_c_item_count(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(item_count(menu));
}
static VALUE rbncurs_m_item_count(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_item_count(rb_menu); }
/*
* Item/menu hook get/set functions - menu_hook(3X) man page
*/
static void item_init_hook(MENU *menu)
{
/* Find the Proc object associated with this menu */
VALUE proc = get_proc(menu, ITEM_INIT_HOOK);
if (proc != Qnil)
{
VALUE rb_menu = wrap_menu(menu);
rb_funcall(proc, rb_intern("call"), 1, rb_menu);
}
}
static VALUE rbncurs_c_set_item_init(VALUE rb_menu, VALUE proc)
{
MENU *menu = NULL;
if (!rb_obj_is_kind_of(rb_menu, cMENU))
rb_raise(rb_eArgError, "arg1 must be a MENU object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
menu = get_menu(rb_menu);
reg_proc(menu, ITEM_INIT_HOOK, proc);
if (proc != Qnil)
return INT2NUM(set_item_init(menu, item_init_hook));
else
return INT2NUM(set_item_init(menu, NULL));
}
static VALUE rbncurs_m_set_item_init(VALUE dummy, VALUE rb_menu, VALUE proc)
{ return rbncurs_c_set_item_init(rb_menu, proc); }
static VALUE rbncurs_c_item_init(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return get_proc(menu, ITEM_INIT_HOOK);
}
static VALUE rbncurs_m_item_init(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_item_init(rb_menu); }
static void item_term_hook(MENU *menu)
{
/* Find the Proc object associated with this menu */
VALUE proc = get_proc(menu, ITEM_TERM_HOOK);
if (proc != Qnil)
{
VALUE rb_menu = wrap_menu(menu);
rb_funcall(proc, rb_intern("call"), 1, rb_menu);
}
}
static VALUE rbncurs_c_set_item_term(VALUE rb_menu, VALUE proc)
{
MENU *menu = NULL;
if (!rb_obj_is_kind_of(rb_menu, cMENU))
rb_raise(rb_eArgError, "arg1 must be a MENU object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
menu = get_menu(rb_menu);
reg_proc(menu, ITEM_TERM_HOOK, proc);
if (proc != Qnil)
return INT2NUM(set_item_term(menu, item_term_hook));
else
return INT2NUM(set_item_term(menu, NULL));
}
static VALUE rbncurs_m_set_item_term(VALUE dummy, VALUE rb_menu, VALUE proc)
{ return rbncurs_c_set_item_term(rb_menu, proc); }
static VALUE rbncurs_c_item_term(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return get_proc(menu, ITEM_TERM_HOOK);
}
static VALUE rbncurs_m_item_term(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_item_term(rb_menu); }
static void menu_init_hook(MENU *menu)
{
/* Find the Proc object associated with this menu */
VALUE proc = get_proc(menu, MENU_INIT_HOOK);
if (proc != Qnil)
{
VALUE rb_menu = wrap_menu(menu);
rb_funcall(proc, rb_intern("call"), 1, rb_menu);
}
}
static VALUE rbncurs_c_set_menu_init(VALUE rb_menu, VALUE proc) {
MENU *menu = NULL;
if (!rb_obj_is_kind_of(rb_menu, cMENU))
rb_raise(rb_eArgError, "arg1 must be a MENU object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
menu = get_menu(rb_menu);
reg_proc(menu, MENU_INIT_HOOK, proc);
if (proc != Qnil)
return INT2NUM(set_menu_init(menu, menu_init_hook));
else
return INT2NUM(set_menu_init(menu, NULL));
}
static VALUE rbncurs_m_set_menu_init(VALUE dummy, VALUE rb_menu, VALUE proc)
{ return rbncurs_c_set_menu_init(rb_menu, proc); }
static VALUE rbncurs_c_menu_init(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return get_proc(menu, MENU_INIT_HOOK);
}
static VALUE rbncurs_m_menu_init(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_init(rb_menu); }
static void menu_term_hook(MENU *menu)
{
/* Find the Proc object associated with this menu */
VALUE proc = get_proc(menu, MENU_TERM_HOOK);
if (proc != Qnil)
{
VALUE rb_menu = wrap_menu(menu);
rb_funcall(proc, rb_intern("call"), 1, rb_menu);
}
}
static VALUE rbncurs_c_set_menu_term(VALUE rb_menu, VALUE proc)
{
MENU *menu = NULL;
if (!rb_obj_is_kind_of(rb_menu, cMENU))
rb_raise(rb_eArgError, "arg1 must be a MENU object");
if (!rb_obj_is_kind_of(proc, rb_cProc))
rb_raise(rb_eArgError, "arg2 must be a Proc object");
menu = get_menu(rb_menu);
reg_proc(menu, MENU_TERM_HOOK, proc);
if (proc != Qnil)
return INT2NUM(set_menu_term(menu, menu_term_hook));
else
return INT2NUM(set_menu_term(menu, NULL));
}
static VALUE rbncurs_m_set_menu_term(VALUE dummy, VALUE rb_menu, VALUE proc)
{ return rbncurs_c_set_menu_term(rb_menu, proc); }
static VALUE rbncurs_c_menu_term(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return get_proc(menu, MENU_TERM_HOOK);
}
static VALUE rbncurs_m_menu_term(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_term(rb_menu); }
/*
* Item option get/set functions - mitem_opts(3X) man page
*/
static VALUE rbncurs_c_set_item_opts(VALUE rb_item, VALUE opts)
{
ITEM *item = get_item(rb_item);
return INT2NUM(set_item_opts(item, NUM2INT(opts)));
}
static VALUE rbncurs_m_set_item_opts(VALUE dummy, VALUE rb_item, VALUE opts)
{ return rbncurs_c_set_item_opts(rb_item, opts); }
static VALUE rbncurs_c_item_opts_on(VALUE rb_item, VALUE opts)
{
ITEM *item = get_item(rb_item);
return INT2NUM(item_opts_on(item, NUM2INT(opts)));
}
static VALUE rbncurs_m_item_opts_on(VALUE dummy, VALUE rb_item, VALUE opts)
{ return rbncurs_c_item_opts_on(rb_item, opts); }
static VALUE rbncurs_c_item_opts_off(VALUE rb_item, VALUE opts)
{
ITEM *item = get_item(rb_item);
return INT2NUM(item_opts_off(item, NUM2INT(opts)));
}
static VALUE rbncurs_m_item_opts_off(VALUE dummy, VALUE rb_item, VALUE opts)
{ return rbncurs_c_item_opts_off(rb_item, opts); }
static VALUE rbncurs_c_item_opts(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return INT2NUM(item_opts(item));
}
static VALUE rbncurs_m_item_opts(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_opts(rb_item); }
/*
* Menu option get/set functions - menu_opts(3X) man page
*/
static VALUE rbncurs_c_set_menu_opts(VALUE rb_menu, VALUE opts)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_opts(menu, NUM2INT(opts)));
}
static VALUE rbncurs_m_set_menu_opts(VALUE dummy, VALUE rb_menu, VALUE opts)
{ return rbncurs_c_set_menu_opts(rb_menu, opts); }
static VALUE rbncurs_c_menu_opts_on(VALUE rb_menu, VALUE opts)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(menu_opts_on(menu, NUM2INT(opts)));
}
static VALUE rbncurs_m_menu_opts_on(VALUE dummy, VALUE rb_menu, VALUE opts)
{ return rbncurs_c_menu_opts_on(rb_menu, opts); }
static VALUE rbncurs_c_menu_opts_off(VALUE rb_menu, VALUE opts)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(menu_opts_off(menu, NUM2INT(opts)));
}
static VALUE rbncurs_m_menu_opts_off(VALUE dummy, VALUE rb_menu, VALUE opts)
{ return rbncurs_c_menu_opts_off(rb_menu, opts); }
static VALUE rbncurs_c_menu_opts(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(menu_opts(menu));
}
static VALUE rbncurs_m_menu_opts(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_opts(rb_menu); }
/*
* Printable menu request name handling functions - menu_requestname(3X) man page
*/
static VALUE rbncurs_c_menu_request_name(VALUE request)
{
return rb_str_new2(menu_request_name(NUM2INT(request)));
}
static VALUE rbncurs_m_menu_request_name(VALUE dummy, VALUE request)
{ return rbncurs_c_menu_request_name(request); }
static VALUE rbncurs_c_menu_request_by_name(VALUE name)
{
return INT2NUM(menu_request_by_name(STR2CSTR(name)));
}
static VALUE rbncurs_m_menu_request_by_name(VALUE dummy, VALUE name)
{ return rbncurs_c_menu_request_by_name(name); }
/*
* (Sub)window association make/break functions - menu_win(3X) man page
*/
static VALUE rbncurs_c_set_menu_win(VALUE rb_menu, VALUE rb_win)
{
MENU *menu = get_menu(rb_menu);
WINDOW *win = get_window(rb_win);
return INT2NUM(set_menu_win(menu, win));
}
static VALUE rbncurs_m_set_menu_win(VALUE dummy, VALUE rb_menu, VALUE rb_win)
{ return rbncurs_c_set_menu_win(rb_menu, rb_win); }
static VALUE rbncurs_c_menu_win(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return wrap_window(menu_win(menu));
}
static VALUE rbncurs_m_menu_win(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_win(rb_menu); }
static VALUE rbncurs_c_set_menu_sub(VALUE rb_menu, VALUE rb_sub)
{
MENU *menu = get_menu(rb_menu);
WINDOW *win = get_window(rb_sub);
return INT2NUM(set_menu_sub(menu, win));
}
static VALUE rbncurs_m_set_menu_sub(VALUE dummy, VALUE rb_menu, VALUE rb_sub)
{ return rbncurs_c_set_menu_sub(rb_menu, rb_sub); }
static VALUE rbncurs_c_menu_sub(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return wrap_window(menu_sub(menu));
}
static VALUE rbncurs_m_menu_sub(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_sub(rb_menu); }
static VALUE rbncurs_c_scale_menu(VALUE rb_menu, VALUE rows, VALUE columns)
{
MENU *menu = get_menu(rb_menu);
if (rb_obj_is_instance_of(rows, rb_cArray) != Qtrue ||
rb_obj_is_instance_of(columns, rb_cArray) != Qtrue)
{
rb_raise(rb_eArgError, "rows and columns arguments must be empty Arrays");
return Qnil;
}
else
{
int vals[2] = {0,0};
int result = scale_menu(menu, &vals[0],&vals[1]);
rb_ary_push(rows, INT2NUM(vals[0]));
rb_ary_push(columns, INT2NUM(vals[1]));
return INT2NUM(result);
}
}
static VALUE rbncurs_m_scale_menu(VALUE dummy, VALUE rb_menu, VALUE rows, VALUE columns)
{ return rbncurs_c_scale_menu(rb_menu, rows, columns); }
/*
* Menu cursor positioning functions - menu_cursor(3X) man page
*/
static VALUE rbncurs_c_pos_menu_cursor(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(pos_menu_cursor(menu));
}
static VALUE rbncurs_m_pos_menu_cursor(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_pos_menu_cursor(rb_menu); }
/*
* Item name/description retrieval functions - mitem_name(3X) man page
*/
static VALUE rbncurs_c_item_name(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return rb_str_new2(item_name(item));
}
static VALUE rbncurs_m_item_name(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_name(rb_item); }
static VALUE rbncurs_c_item_description(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return rb_str_new2(item_description(item));
}
static VALUE rbncurs_m_item_description(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_description(rb_item); }
/*
* Item value get/set functions - mitem_value(3X) man page
*/
static VALUE rbncurs_c_set_item_value(VALUE rb_item, VALUE value)
{
ITEM *item = get_item(rb_item);
return INT2NUM(set_item_value(item, RTEST(value)));
}
static VALUE rbncurs_m_set_item_value(VALUE dummy, VALUE rb_item, VALUE value)
{ return rbncurs_c_set_item_value(rb_item, value); }
static VALUE rbncurs_c_item_value(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return (item_value(item)) ? Qtrue: Qfalse;
}
static VALUE rbncurs_m_item_value(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_value(rb_item); }
/*
* Item visibility retrieval function - mitem_visible(3X) man page
*/
static VALUE rbncurs_c_item_visible(VALUE rb_item)
{
ITEM *item = get_item(rb_item);
return (item_visible(item)) ? Qtrue: Qfalse;
}
static VALUE rbncurs_m_item_visible(VALUE dummy, VALUE rb_item)
{ return rbncurs_c_item_visible(rb_item); }
/*
* Menu attribute get/set functions - menu_attributes(3X) man page
*/
static VALUE rbncurs_c_set_menu_fore(VALUE rb_menu, VALUE attr)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_fore(menu, (int) NUM2ULONG(attr)));
}
static VALUE rbncurs_m_set_menu_fore(VALUE dummy, VALUE rb_menu, VALUE attr)
{ return rbncurs_c_set_menu_fore(rb_menu, attr); }
static VALUE rbncurs_c_menu_fore(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return ULONG2NUM(menu_fore(menu));
}
static VALUE rbncurs_m_menu_fore(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_fore(rb_menu); }
static VALUE rbncurs_c_set_menu_back(VALUE rb_menu, VALUE attr)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_back(menu, (int) NUM2ULONG(attr)));
}
static VALUE rbncurs_m_set_menu_back(VALUE dummy, VALUE rb_menu, VALUE attr)
{ return rbncurs_c_set_menu_back(rb_menu, attr); }
static VALUE rbncurs_c_menu_back(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return ULONG2NUM(menu_back(menu));
}
static VALUE rbncurs_m_menu_back(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_back(rb_menu); }
static VALUE rbncurs_c_set_menu_grey(VALUE rb_menu, VALUE attr)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_grey(menu, (int) NUM2ULONG(attr)));
}
static VALUE rbncurs_m_set_menu_grey(VALUE dummy, VALUE rb_menu, VALUE attr)
{ return rbncurs_c_set_menu_grey(rb_menu, attr); }
static VALUE rbncurs_c_menu_grey(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return ULONG2NUM(menu_grey(menu));
}
static VALUE rbncurs_m_menu_grey(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_grey(rb_menu); }
static VALUE rbncurs_c_set_menu_pad(VALUE rb_menu, VALUE pad)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_pad(menu, NUM2INT(pad)));
}
static VALUE rbncurs_m_set_menu_pad(VALUE dummy, VALUE rb_menu, VALUE pad)
{ return rbncurs_c_set_menu_pad(rb_menu, pad); }
static VALUE rbncurs_c_menu_pad(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(menu_pad(menu));
}
static VALUE rbncurs_m_menu_pad(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_pad(rb_menu); }
/*
* Menu format get/set functions - menu_format(3X) man page
*/
static VALUE rbncurs_c_set_menu_format(VALUE rb_menu, VALUE rows, VALUE cols)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_format(menu, NUM2INT(rows), NUM2INT(cols)));
}
static VALUE rbncurs_m_set_menu_format(VALUE dummy, VALUE rb_menu, VALUE rows, VALUE cols)
{ return rbncurs_c_set_menu_format(rb_menu, rows, cols); }
static VALUE rbncurs_c_menu_format(VALUE rb_menu, VALUE rows, VALUE cols)
{
if (rb_obj_is_instance_of(rows, rb_cArray) != Qtrue ||
rb_obj_is_instance_of(cols, rb_cArray) != Qtrue)
{
rb_raise(rb_eArgError, "rows and cols arguments must be empty Arrays");
return Qnil;
}
else
{
MENU *menu = get_menu(rb_menu);
int vals[2] = {0,0};
menu_format(menu, &vals[0], &vals[1]);
rb_ary_push(rows, INT2NUM(vals[0]));
rb_ary_push(cols, INT2NUM(vals[1]));
return Qnil;
}
}
static VALUE rbncurs_m_menu_format(VALUE dummy, VALUE rb_menu, VALUE rows, VALUE cols)
{ return rbncurs_c_menu_format(rb_menu, rows, cols); }
/*
* Menu mark get/set functions - menu_mark(3X) man page
*/
static VALUE rbncurs_c_set_menu_mark(VALUE rb_menu, VALUE value)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_mark(menu, STR2CSTR(value)));
}
static VALUE rbncurs_m_set_menu_mark(VALUE dummy, VALUE rb_field, VALUE value)
{ return rbncurs_c_set_menu_mark(rb_field, value); }
static VALUE rbncurs_c_menu_mark(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return rb_str_new2(menu_mark(menu));
}
static VALUE rbncurs_m_menu_mark(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_mark(rb_menu); }
/*
* Menu pattern get/set functions - menu_pattern(3X) man page
*/
static VALUE rbncurs_c_set_menu_pattern(VALUE rb_menu, VALUE pattern)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_pattern(menu, STR2CSTR(pattern)));
}
static VALUE rbncurs_m_set_menu_pattern(VALUE dummy, VALUE rb_menu, VALUE pattern)
{ return rbncurs_c_set_menu_pattern(rb_menu, pattern); }
static VALUE rbncurs_c_menu_pattern(VALUE rb_menu)
{
MENU *menu = get_menu(rb_menu);
return rb_str_new2(menu_pattern(menu));
}
static VALUE rbncurs_m_menu_pattern(VALUE dummy, VALUE rb_menu)
{ return rbncurs_c_menu_pattern(rb_menu); }
/*
* Menu spacing get/set functions - menu_spacing(3X) man page
*/
static VALUE rbncurs_c_set_menu_spacing(VALUE rb_menu, VALUE spc_description,
VALUE spc_rows, VALUE spc_cols)
{
MENU *menu = get_menu(rb_menu);
return INT2NUM(set_menu_spacing(menu, NUM2INT(spc_description),
NUM2INT(spc_rows), NUM2INT(spc_cols)));
}
static VALUE rbncurs_m_set_menu_spacing(VALUE dummy, VALUE rb_menu, VALUE spc_description,
VALUE spc_rows, VALUE spc_cols)
{ return rbncurs_c_set_menu_spacing(rb_menu, spc_description, spc_rows, spc_cols); }
static VALUE rbncurs_c_menu_spacing(VALUE rb_menu, VALUE spc_description,
VALUE spc_rows, VALUE spc_cols)
{
if (rb_obj_is_instance_of(spc_description, rb_cArray) != Qtrue ||
rb_obj_is_instance_of(spc_rows, rb_cArray) != Qtrue ||
rb_obj_is_instance_of(spc_cols, rb_cArray) != Qtrue)
{
rb_raise(rb_eArgError, "spc_description, spc_rows, and spc_cols arguments must be empty Arrays");
return Qnil;
}
else
{
MENU *menu = get_menu(rb_menu);
int vals[3] = {0,0,0};
int result = menu_spacing(menu, &vals[0], &vals[1], &vals[2]);
rb_ary_push(spc_description, INT2NUM(vals[0]));
rb_ary_push(spc_rows, INT2NUM(vals[1]));
rb_ary_push(spc_cols, INT2NUM(vals[2]));
return INT2NUM(result);
}
}
static VALUE rbncurs_m_menu_spacing(VALUE dummy, VALUE rb_menu, VALUE spc_description,
VALUE spc_rows, VALUE spc_cols)
{ return rbncurs_c_menu_spacing(rb_menu, spc_description, spc_rows, spc_cols); }
/*
* Menu initialization function
*/
void init_menu(void)
{
mMenu = rb_define_module_under(mNcurses, "Menu");
MENU_SNG_FUNC(current_item, 1);
MENU_SNG_FUNC(free_item, 1);
MENU_SNG_FUNC(free_menu, 1);
MENU_SNG_FUNC(item_count, 1);
MENU_SNG_FUNC(item_description, 1);
MENU_SNG_FUNC(item_index, 1);