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+/* $OpenBSD: lib_adabind.c,v 1.1 1999/01/18 19:09:34 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 1.10 1998/12/06 04:30:32 juergen 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;
+}
+
+#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<<6*button) << 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;
+}