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/* $OpenBSD: lib_adabind.c,v 1.1 1998/07/23 21:18:25 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1996,1997 *
****************************************************************************/
/*
// lib_adabind.c
//
// Some small wrappers to ease the implementation of an Ada95
// binding. Especially functionalities only available as macros
// in (n)curses are wrapped here by functions.
// See the documentation and copyright notices in the ../Ada95
// subdirectory.
*/
#include "curses.priv.h"
MODULE_ID("$From: lib_adabind.c,v 1.7 1998/02/11 12:13:59 tom Exp $")
/* In (n)curses are a few functionalities that can't be expressed as
// functions, because for historic reasons they use as macro argument
// variable names that are "out" parameters. For those macros we provide
// small wrappers.
*/
/* Prototypes for the functions in this module */
int _nc_ada_getmaxyx (const WINDOW *win, int *y, int *x);
int _nc_ada_getbegyx (const WINDOW *win, int *y, int *x);
int _nc_ada_getyx (const WINDOW *win, int *y, int *x);
int _nc_ada_getparyx (const WINDOW *win, int *y, int *x);
int _nc_ada_isscroll (const WINDOW *win);
int _nc_ada_coord_transform (const WINDOW *win, int *Y, int *X, int dir);
void _nc_ada_mouse_event (mmask_t m, int *b, int *s);
int _nc_ada_mouse_mask (int button, int state, mmask_t *mask);
void _nc_ada_unregister_mouse (void);
int _nc_ada_vcheck (int major, int minor);
int _nc_ada_getmaxyx (const WINDOW *win, int *y, int *x)
{
if (win && y && x)
{
getmaxyx(win,*y,*x);
return OK;
}
else
return ERR;
}
int _nc_ada_getbegyx (const WINDOW *win, int *y, int *x)
{
if (win && y && x)
{
getbegyx(win,*y,*x);
return OK;
}
else
return ERR;
}
int _nc_ada_getyx (const WINDOW *win, int *y, int *x)
{
if (win && y && x)
{
getyx(win,*y,*x);
return OK;
}
else
return ERR;
}
int _nc_ada_getparyx (const WINDOW *win, int *y, int *x)
{
if (win && y && x)
{
getparyx(win,*y,*x);
return OK;
}
else
return ERR;
}
int _nc_ada_isscroll (const WINDOW *win)
{
return win ? (win->_scroll ? TRUE : FALSE) : ERR;
}
int _nc_ada_coord_transform (const WINDOW *win, int *Y, int *X, int dir)
{
if (win && Y && X)
{
int y = *Y; int x = *X;
if (dir)
{ /* to screen coordinates */
y += win->_yoffset;
y += win->_begy;
x += win->_begx;
if (!wenclose(win,y,x))
return FALSE;
}
else
{ /* from screen coordinates */
if (!wenclose(win,y,x))
return FALSE;
y -= win->_yoffset;
y -= win->_begy;
x -= win->_begx;
}
*X = x;
*Y = y;
return TRUE;
}
return FALSE;
}
#define BUTTON1_EVENTS (BUTTON1_RELEASED |\
BUTTON1_PRESSED |\
BUTTON1_CLICKED |\
BUTTON1_DOUBLE_CLICKED |\
BUTTON1_TRIPLE_CLICKED |\
BUTTON1_RESERVED_EVENT )
#define BUTTON2_EVENTS (BUTTON2_RELEASED |\
BUTTON2_PRESSED |\
BUTTON2_CLICKED |\
BUTTON2_DOUBLE_CLICKED |\
BUTTON2_TRIPLE_CLICKED |\
BUTTON2_RESERVED_EVENT )
#define BUTTON3_EVENTS (BUTTON3_RELEASED |\
BUTTON3_PRESSED |\
BUTTON3_CLICKED |\
BUTTON3_DOUBLE_CLICKED |\
BUTTON3_TRIPLE_CLICKED |\
BUTTON3_RESERVED_EVENT )
#define BUTTON4_EVENTS (BUTTON4_RELEASED |\
BUTTON4_PRESSED |\
BUTTON4_CLICKED |\
BUTTON4_DOUBLE_CLICKED |\
BUTTON4_TRIPLE_CLICKED |\
BUTTON4_RESERVED_EVENT )
void _nc_ada_mouse_event( mmask_t m, int *b, int *s )
{
int k = 0;
if ( m & BUTTON1_EVENTS)
{
k = 1;
}
else if ( m & BUTTON2_EVENTS)
{
k = 2;
}
else if ( m & BUTTON3_EVENTS)
{
k = 3;
}
else if ( m & BUTTON4_EVENTS)
{
k = 4;
}
if (k)
{
*b = k-1;
if (BUTTON_RELEASE(m,k)) *s = 0;
else if (BUTTON_PRESS(m,k)) *s = 1;
else if (BUTTON_CLICK(m,k)) *s = 2;
else if (BUTTON_DOUBLE_CLICK(m,k)) *s = 3;
else if (BUTTON_TRIPLE_CLICK(m,k)) *s = 4;
else if (BUTTON_RESERVED_EVENT(m,k)) *s = 5;
else
{
*s = -1;
}
}
else
{
*s = 1;
if (m & BUTTON_CTRL) *b = 4;
else if (m & BUTTON_SHIFT) *b = 5;
else if (m & BUTTON_ALT) *b = 6;
else
{
*b = -1;
}
}
}
int _nc_ada_mouse_mask ( int button, int state, mmask_t *mask )
{
mmask_t b = (button<4) ? ((1<<button) << (6 * state)) :
(BUTTON_CTRL << (button-4));
if (button>=4 && state!=1)
return ERR;
*mask |= b;
return OK;
}
/*
* Allow Ada to check whether or not we are the correct library version
* for the binding. It calls this routine with the version it requests
* and this routine returns a 1 if it is a correct version, a 2 if the
* major version is correct but the minor version of the library differs
* and a 0 if the versions don't match.
*/
int _nc_ada_vcheck (int major, int minor)
{
if (major==NCURSES_VERSION_MAJOR) {
if (minor==NCURSES_VERSION_MINOR)
return 1;
else
return 2;
}
else
return 0;
}
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