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Diffstat (limited to 'lib/libcurses/base/lib_adabind.c')
| -rw-r--r-- | lib/libcurses/base/lib_adabind.c | 220 |
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; +} |