ncurses-4.2-990116

1 files changed, 220 insertions, 0 deletions

diff --git a/lib/libcurses/base/lib_adabind.c b/lib/libcurses/base/lib_adabind.c
new file mode 100644
index 00000000000..2fd7faa23ed
--- /dev/null
+++ b/lib/libcurses/base/lib_adabind.c
@@ -0,0 +1,220 @@
+/*	$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;
+}