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_cursesmodule.c
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3444 lines (3032 loc) · 101 KB
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/*
* This is a curses module for Python.
*
* Based on prior work by Lance Ellinghaus and Oliver Andrich
* Version 1.2 of this module: Copyright 1994 by Lance Ellinghouse,
* Cathedral City, California Republic, United States of America.
*
* Version 1.5b1, heavily extended for ncurses by Oliver Andrich:
* Copyright 1996,1997 by Oliver Andrich, Koblenz, Germany.
*
* Tidied for Python 1.6, and currently maintained by <amk@amk.ca>.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this source file to use, copy, modify, merge, or publish it
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or in any new file that contains a substantial portion of
* this file.
*
* THE AUTHOR MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF
* THE SOFTWARE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT
* EXPRESS OR IMPLIED WARRANTY. THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE, STRICT LIABILITY OR
* ANY OTHER ACTION ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
A number of SysV or ncurses functions don't have wrappers yet; if you
need a given function, add it and send a patch. See
http://www.python.org/dev/patches/ for instructions on how to submit
patches to Python.
Here's a list of currently unsupported functions:
addchnstr addchstr color_set define_key
del_curterm delscreen dupwin inchnstr inchstr innstr keyok
mcprint mvaddchnstr mvaddchstr mvcur mvinchnstr
mvinchstr mvinnstr mmvwaddchnstr mvwaddchstr
mvwinchnstr mvwinchstr mvwinnstr newterm
restartterm ripoffline scr_dump
scr_init scr_restore scr_set scrl set_curterm set_term setterm
tgetent tgetflag tgetnum tgetstr tgoto timeout tputs
vidattr vidputs waddchnstr waddchstr
wcolor_set winchnstr winchstr winnstr wmouse_trafo wscrl
Low-priority:
slk_attr slk_attr_off slk_attr_on slk_attr_set slk_attroff
slk_attron slk_attrset slk_clear slk_color slk_init slk_label
slk_noutrefresh slk_refresh slk_restore slk_set slk_touch
Menu extension (ncurses and probably SYSV):
current_item free_item free_menu item_count item_description
item_index item_init item_name item_opts item_opts_off
item_opts_on item_term item_userptr item_value item_visible
menu_back menu_driver menu_fore menu_format menu_grey
menu_init menu_items menu_mark menu_opts menu_opts_off
menu_opts_on menu_pad menu_pattern menu_request_by_name
menu_request_name menu_spacing menu_sub menu_term menu_userptr
menu_win new_item new_menu pos_menu_cursor post_menu
scale_menu set_current_item set_item_init set_item_opts
set_item_term set_item_userptr set_item_value set_menu_back
set_menu_fore set_menu_format set_menu_grey set_menu_init
set_menu_items set_menu_mark set_menu_opts set_menu_pad
set_menu_pattern set_menu_spacing set_menu_sub set_menu_term
set_menu_userptr set_menu_win set_top_row top_row unpost_menu
Form extension (ncurses and probably SYSV):
current_field data_ahead data_behind dup_field
dynamic_fieldinfo field_arg field_back field_buffer
field_count field_fore field_index field_info field_init
field_just field_opts field_opts_off field_opts_on field_pad
field_status field_term field_type field_userptr form_driver
form_fields form_init form_opts form_opts_off form_opts_on
form_page form_request_by_name form_request_name form_sub
form_term form_userptr form_win free_field free_form
link_field link_fieldtype move_field new_field new_form
new_page pos_form_cursor post_form scale_form
set_current_field set_field_back set_field_buffer
set_field_fore set_field_init set_field_just set_field_opts
set_field_pad set_field_status set_field_term set_field_type
set_field_userptr set_fieldtype_arg set_fieldtype_choice
set_form_fields set_form_init set_form_opts set_form_page
set_form_sub set_form_term set_form_userptr set_form_win
set_max_field set_new_page unpost_form
*/
/* Release Number */
char *PyCursesVersion = "2.2";
/* Includes */
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#ifdef __hpux
#define STRICT_SYSV_CURSES
#endif
#define CURSES_MODULE
#include "py_curses.h"
/* These prototypes are in <term.h>, but including this header
#defines many common symbols (such as "lines") which breaks the
curses module in other ways. So the code will just specify
explicit prototypes here. */
extern int setupterm(char *,int,int *);
#ifdef __sgi
#include <term.h>
#endif
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#if !defined(HAVE_NCURSES_H) && (defined(sgi) || defined(__sun) || defined(SCO5))
#define STRICT_SYSV_CURSES /* Don't use ncurses extensions */
typedef chtype attr_t; /* No attr_t type is available */
#endif
#if defined(_AIX)
#define STRICT_SYSV_CURSES
#endif
/* Definition of exception curses.error */
static PyObject *PyCursesError;
/* Tells whether setupterm() has been called to initialise terminfo. */
static int initialised_setupterm = FALSE;
/* Tells whether initscr() has been called to initialise curses. */
static int initialised = FALSE;
/* Tells whether start_color() has been called to initialise color usage. */
static int initialisedcolors = FALSE;
static char *screen_encoding = NULL;
/* Utility Macros */
#define PyCursesSetupTermCalled \
if (initialised_setupterm != TRUE) { \
PyErr_SetString(PyCursesError, \
"must call (at least) setupterm() first"); \
return 0; }
#define PyCursesInitialised \
if (initialised != TRUE) { \
PyErr_SetString(PyCursesError, \
"must call initscr() first"); \
return 0; }
#define PyCursesInitialisedColor \
if (initialisedcolors != TRUE) { \
PyErr_SetString(PyCursesError, \
"must call start_color() first"); \
return 0; }
#ifndef MIN
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#endif
/* Utility Functions */
/*
* Check the return code from a curses function and return None
* or raise an exception as appropriate. These are exported using the
* capsule API.
*/
static PyObject *
PyCursesCheckERR(int code, const char *fname)
{
if (code != ERR) {
Py_INCREF(Py_None);
return Py_None;
} else {
if (fname == NULL) {
PyErr_SetString(PyCursesError, catchall_ERR);
} else {
PyErr_Format(PyCursesError, "%s() returned ERR", fname);
}
return NULL;
}
}
/* Convert an object to a byte (an integer of type chtype):
- int
- bytes of length 1
- str of length 1
Return 1 on success, 0 on error (invalid type or integer overflow). */
static int
PyCurses_ConvertToChtype(PyCursesWindowObject *win, PyObject *obj, chtype *ch)
{
long value;
if(PyBytes_Check(obj) && PyBytes_Size(obj) == 1) {
value = (unsigned char)PyBytes_AsString(obj)[0];
}
else if (PyUnicode_Check(obj)) {
if (PyUnicode_GetLength(obj) != 1) {
PyErr_Format(PyExc_TypeError,
"expect bytes or str of length 1, or int, "
"got a str of length %zi",
PyUnicode_GET_LENGTH(obj));
return 0;
}
value = PyUnicode_READ_CHAR(obj, 0);
if (128 < value) {
PyObject *bytes;
const char *encoding;
if (win)
encoding = win->encoding;
else
encoding = screen_encoding;
bytes = PyUnicode_AsEncodedObject(obj, encoding, NULL);
if (bytes == NULL)
return 0;
if (PyBytes_GET_SIZE(bytes) == 1)
value = (unsigned char)PyBytes_AS_STRING(bytes)[0];
else
value = -1;
Py_DECREF(bytes);
if (value < 0)
goto overflow;
}
}
else if (PyLong_CheckExact(obj)) {
int long_overflow;
value = PyLong_AsLongAndOverflow(obj, &long_overflow);
if (long_overflow)
goto overflow;
}
else {
PyErr_Format(PyExc_TypeError,
"expect bytes or str of length 1, or int, got %s",
Py_TYPE(obj)->tp_name);
return 0;
}
*ch = (chtype)value;
if ((long)*ch != value)
goto overflow;
return 1;
overflow:
PyErr_SetString(PyExc_OverflowError,
"byte doesn't fit in chtype");
return 0;
}
/* Convert an object to a byte (chtype) or a character (cchar_t):
- int
- bytes of length 1
- str of length 1
Return:
- 2 if obj is a character (written into *wch)
- 1 if obj is a byte (written into *ch)
- 0 on error: raise an exception */
static int
PyCurses_ConvertToCchar_t(PyCursesWindowObject *win, PyObject *obj,
chtype *ch
#ifdef HAVE_NCURSESW
, cchar_t *wch
#endif
)
{
long value;
#ifdef HAVE_NCURSESW
wchar_t buffer[2];
#endif
if (PyUnicode_Check(obj)) {
#ifdef HAVE_NCURSESW
if (PyUnicode_AsWideChar(obj, buffer, 2) != 1) {
PyErr_Format(PyExc_TypeError,
"expect bytes or str of length 1, or int, "
"got a str of length %zi",
PyUnicode_GET_LENGTH(obj));
return 0;
}
memset(wch->chars, 0, sizeof(wch->chars));
wch->chars[0] = buffer[0];
return 2;
#else
return PyCurses_ConvertToChtype(win, obj, ch);
#endif
}
else if(PyBytes_Check(obj) && PyBytes_Size(obj) == 1) {
value = (unsigned char)PyBytes_AsString(obj)[0];
}
else if (PyLong_CheckExact(obj)) {
int overflow;
value = PyLong_AsLongAndOverflow(obj, &overflow);
if (overflow) {
PyErr_SetString(PyExc_OverflowError,
"int doesn't fit in long");
return 0;
}
}
else {
PyErr_Format(PyExc_TypeError,
"expect bytes or str of length 1, or int, got %s",
Py_TYPE(obj)->tp_name);
return 0;
}
*ch = (chtype)value;
if ((long)*ch != value) {
PyErr_Format(PyExc_OverflowError,
"byte doesn't fit in chtype");
return 0;
}
return 1;
}
/* Convert an object to a byte string (char*) or a wide character string
(wchar_t*). Return:
- 2 if obj is a character string (written into *wch)
- 1 if obj is a byte string (written into *bytes)
- 0 on error: raise an exception */
static int
PyCurses_ConvertToString(PyCursesWindowObject *win, PyObject *obj,
PyObject **bytes, wchar_t **wstr)
{
if (PyUnicode_Check(obj)) {
#ifdef HAVE_NCURSESW
assert (wstr != NULL);
*wstr = PyUnicode_AsWideCharString(obj, NULL);
if (*wstr == NULL)
return 0;
return 2;
#else
assert (wstr == NULL);
*bytes = PyUnicode_AsEncodedObject(obj, win->encoding, NULL);
if (*bytes == NULL)
return 0;
return 1;
#endif
}
else if (PyBytes_Check(obj)) {
Py_INCREF(obj);
*bytes = obj;
return 1;
}
PyErr_Format(PyExc_TypeError, "expect bytes or str, got %s",
Py_TYPE(obj)->tp_name);
return 0;
}
/* Function versions of the 3 functions for testing whether curses has been
initialised or not. */
static int func_PyCursesSetupTermCalled(void)
{
PyCursesSetupTermCalled;
return 1;
}
static int func_PyCursesInitialised(void)
{
PyCursesInitialised;
return 1;
}
static int func_PyCursesInitialisedColor(void)
{
PyCursesInitialisedColor;
return 1;
}
/*****************************************************************************
The Window Object
******************************************************************************/
/* Definition of the window type */
PyTypeObject PyCursesWindow_Type;
/* Function prototype macros for Window object
X - function name
TYPE - parameter Type
ERGSTR - format string for construction of the return value
PARSESTR - format string for argument parsing
*/
#define Window_NoArgNoReturnFunction(X) \
static PyObject *PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *args) \
{ return PyCursesCheckERR(X(self->win), # X); }
#define Window_NoArgTrueFalseFunction(X) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self) \
{ \
if (X (self->win) == FALSE) { Py_INCREF(Py_False); return Py_False; } \
else { Py_INCREF(Py_True); return Py_True; } }
#define Window_NoArgNoReturnVoidFunction(X) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self) \
{ \
X(self->win); Py_INCREF(Py_None); return Py_None; }
#define Window_NoArg2TupleReturnFunction(X, TYPE, ERGSTR) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self) \
{ \
TYPE arg1, arg2; \
X(self->win,arg1,arg2); return Py_BuildValue(ERGSTR, arg1, arg2); }
#define Window_OneArgNoReturnVoidFunction(X, TYPE, PARSESTR) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *args) \
{ \
TYPE arg1; \
if (!PyArg_ParseTuple(args, PARSESTR, &arg1)) return NULL; \
X(self->win,arg1); Py_INCREF(Py_None); return Py_None; }
#define Window_OneArgNoReturnFunction(X, TYPE, PARSESTR) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *args) \
{ \
TYPE arg1; \
if (!PyArg_ParseTuple(args,PARSESTR, &arg1)) return NULL; \
return PyCursesCheckERR(X(self->win, arg1), # X); }
#define Window_TwoArgNoReturnFunction(X, TYPE, PARSESTR) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *args) \
{ \
TYPE arg1, arg2; \
if (!PyArg_ParseTuple(args,PARSESTR, &arg1, &arg2)) return NULL; \
return PyCursesCheckERR(X(self->win, arg1, arg2), # X); }
/* ------------- WINDOW routines --------------- */
Window_NoArgNoReturnFunction(untouchwin)
Window_NoArgNoReturnFunction(touchwin)
Window_NoArgNoReturnFunction(redrawwin)
Window_NoArgNoReturnFunction(winsertln)
Window_NoArgNoReturnFunction(werase)
Window_NoArgNoReturnFunction(wdeleteln)
Window_NoArgTrueFalseFunction(is_wintouched)
Window_NoArgNoReturnVoidFunction(wsyncup)
Window_NoArgNoReturnVoidFunction(wsyncdown)
Window_NoArgNoReturnVoidFunction(wstandend)
Window_NoArgNoReturnVoidFunction(wstandout)
Window_NoArgNoReturnVoidFunction(wcursyncup)
Window_NoArgNoReturnVoidFunction(wclrtoeol)
Window_NoArgNoReturnVoidFunction(wclrtobot)
Window_NoArgNoReturnVoidFunction(wclear)
Window_OneArgNoReturnVoidFunction(idcok, int, "i;True(1) or False(0)")
Window_OneArgNoReturnVoidFunction(immedok, int, "i;True(1) or False(0)")
Window_OneArgNoReturnVoidFunction(wtimeout, int, "i;delay")
Window_NoArg2TupleReturnFunction(getyx, int, "ii")
Window_NoArg2TupleReturnFunction(getbegyx, int, "ii")
Window_NoArg2TupleReturnFunction(getmaxyx, int, "ii")
Window_NoArg2TupleReturnFunction(getparyx, int, "ii")
Window_OneArgNoReturnFunction(clearok, int, "i;True(1) or False(0)")
Window_OneArgNoReturnFunction(idlok, int, "i;True(1) or False(0)")
#if defined(__NetBSD__)
Window_OneArgNoReturnVoidFunction(keypad, int, "i;True(1) or False(0)")
#else
Window_OneArgNoReturnFunction(keypad, int, "i;True(1) or False(0)")
#endif
Window_OneArgNoReturnFunction(leaveok, int, "i;True(1) or False(0)")
#if defined(__NetBSD__)
Window_OneArgNoReturnVoidFunction(nodelay, int, "i;True(1) or False(0)")
#else
Window_OneArgNoReturnFunction(nodelay, int, "i;True(1) or False(0)")
#endif
Window_OneArgNoReturnFunction(notimeout, int, "i;True(1) or False(0)")
Window_OneArgNoReturnFunction(scrollok, int, "i;True(1) or False(0)")
Window_OneArgNoReturnFunction(winsdelln, int, "i;nlines")
Window_OneArgNoReturnFunction(syncok, int, "i;True(1) or False(0)")
Window_TwoArgNoReturnFunction(mvwin, int, "ii;y,x")
Window_TwoArgNoReturnFunction(mvderwin, int, "ii;y,x")
Window_TwoArgNoReturnFunction(wmove, int, "ii;y,x")
#ifndef STRICT_SYSV_CURSES
Window_TwoArgNoReturnFunction(wresize, int, "ii;lines,columns")
#endif
/* Allocation and deallocation of Window Objects */
static PyObject *
PyCursesWindow_New(WINDOW *win, const char *encoding)
{
PyCursesWindowObject *wo;
if (encoding == NULL) {
#if defined(MS_WINDOWS)
char *buffer[100];
UINT cp;
cp = GetConsoleOutputCP();
if (cp != 0) {
PyOS_snprintf(buffer, sizeof(buffer), "cp%u", cp);
encoding = buffer;
}
#elif defined(CODESET)
const char *codeset = nl_langinfo(CODESET);
if (codeset != NULL && codeset[0] != 0)
encoding = codeset;
#endif
if (encoding == NULL)
encoding = "utf-8";
}
wo = PyObject_NEW(PyCursesWindowObject, &PyCursesWindow_Type);
if (wo == NULL) return NULL;
wo->win = win;
wo->encoding = strdup(encoding);
if (wo->encoding == NULL) {
Py_DECREF(wo);
PyErr_NoMemory();
return NULL;
}
return (PyObject *)wo;
}
static void
PyCursesWindow_Dealloc(PyCursesWindowObject *wo)
{
if (wo->win != stdscr) delwin(wo->win);
if (wo->encoding != NULL)
free(wo->encoding);
PyObject_DEL(wo);
}
/* Addch, Addstr, Addnstr */
static PyObject *
PyCursesWindow_AddCh(PyCursesWindowObject *self, PyObject *args)
{
int rtn, x, y, use_xy = FALSE;
PyObject *chobj;
int type;
chtype ch;
#ifdef HAVE_NCURSESW
cchar_t wch;
#endif
attr_t attr = A_NORMAL;
long lattr;
const char *funcname;
switch (PyTuple_Size(args)) {
case 1:
if (!PyArg_ParseTuple(args, "O;ch or int", &chobj))
return NULL;
break;
case 2:
if (!PyArg_ParseTuple(args, "Ol;ch or int,attr", &chobj, &lattr))
return NULL;
attr = lattr;
break;
case 3:
if (!PyArg_ParseTuple(args,"iiO;y,x,ch or int", &y, &x, &chobj))
return NULL;
use_xy = TRUE;
break;
case 4:
if (!PyArg_ParseTuple(args,"iiOl;y,x,ch or int, attr",
&y, &x, &chobj, &lattr))
return NULL;
attr = lattr;
use_xy = TRUE;
break;
default:
PyErr_SetString(PyExc_TypeError, "addch requires 1 to 4 arguments");
return NULL;
}
#ifdef HAVE_NCURSESW
type = PyCurses_ConvertToCchar_t(self, chobj, &ch, &wch);
if (type == 2) {
funcname = "add_wch";
wch.attr = attr;
if (use_xy == TRUE)
rtn = mvwadd_wch(self->win,y,x, &wch);
else {
rtn = wadd_wch(self->win, &wch);
}
}
else
#else
type = PyCurses_ConvertToCchar_t(self, chobj, &ch);
#endif
if (type == 1) {
funcname = "addch";
if (use_xy == TRUE)
rtn = mvwaddch(self->win,y,x, ch | attr);
else {
rtn = waddch(self->win, ch | attr);
}
}
else {
return NULL;
}
return PyCursesCheckERR(rtn, funcname);
}
static PyObject *
PyCursesWindow_AddStr(PyCursesWindowObject *self, PyObject *args)
{
int rtn;
int x, y;
int strtype;
PyObject *strobj, *bytesobj = NULL;
#ifdef HAVE_NCURSESW
wchar_t *wstr = NULL;
#endif
attr_t attr = A_NORMAL , attr_old = A_NORMAL;
long lattr;
int use_xy = FALSE, use_attr = FALSE;
const char *funcname;
switch (PyTuple_Size(args)) {
case 1:
if (!PyArg_ParseTuple(args,"O;str", &strobj))
return NULL;
break;
case 2:
if (!PyArg_ParseTuple(args,"Ol;str,attr", &strobj, &lattr))
return NULL;
attr = lattr;
use_attr = TRUE;
break;
case 3:
if (!PyArg_ParseTuple(args,"iiO;int,int,str", &y, &x, &strobj))
return NULL;
use_xy = TRUE;
break;
case 4:
if (!PyArg_ParseTuple(args,"iiOl;int,int,str,attr", &y, &x, &strobj, &lattr))
return NULL;
attr = lattr;
use_xy = use_attr = TRUE;
break;
default:
PyErr_SetString(PyExc_TypeError, "addstr requires 1 to 4 arguments");
return NULL;
}
#ifdef HAVE_NCURSESW
strtype = PyCurses_ConvertToString(self, strobj, &bytesobj, &wstr);
#else
strtype = PyCurses_ConvertToString(self, strobj, &bytesobj, NULL);
#endif
if (strtype == 0)
return NULL;
if (use_attr == TRUE) {
attr_old = getattrs(self->win);
(void)wattrset(self->win,attr);
}
#ifdef HAVE_NCURSESW
if (strtype == 2) {
funcname = "addwstr";
if (use_xy == TRUE)
rtn = mvwaddwstr(self->win,y,x,wstr);
else
rtn = waddwstr(self->win,wstr);
PyMem_Free(wstr);
}
else
#endif
{
char *str = PyBytes_AS_STRING(bytesobj);
funcname = "addstr";
if (use_xy == TRUE)
rtn = mvwaddstr(self->win,y,x,str);
else
rtn = waddstr(self->win,str);
Py_DECREF(bytesobj);
}
if (use_attr == TRUE)
(void)wattrset(self->win,attr_old);
return PyCursesCheckERR(rtn, funcname);
}
static PyObject *
PyCursesWindow_AddNStr(PyCursesWindowObject *self, PyObject *args)
{
int rtn, x, y, n;
int strtype;
PyObject *strobj, *bytesobj = NULL;
#ifdef HAVE_NCURSESW
wchar_t *wstr = NULL;
#endif
attr_t attr = A_NORMAL , attr_old = A_NORMAL;
long lattr;
int use_xy = FALSE, use_attr = FALSE;
const char *funcname;
switch (PyTuple_Size(args)) {
case 2:
if (!PyArg_ParseTuple(args,"Oi;str,n", &strobj, &n))
return NULL;
break;
case 3:
if (!PyArg_ParseTuple(args,"Oil;str,n,attr", &strobj, &n, &lattr))
return NULL;
attr = lattr;
use_attr = TRUE;
break;
case 4:
if (!PyArg_ParseTuple(args,"iiOi;y,x,str,n", &y, &x, &strobj, &n))
return NULL;
use_xy = TRUE;
break;
case 5:
if (!PyArg_ParseTuple(args,"iiOil;y,x,str,n,attr", &y, &x, &strobj, &n, &lattr))
return NULL;
attr = lattr;
use_xy = use_attr = TRUE;
break;
default:
PyErr_SetString(PyExc_TypeError, "addnstr requires 2 to 5 arguments");
return NULL;
}
#ifdef HAVE_NCURSESW
strtype = PyCurses_ConvertToString(self, strobj, &bytesobj, &wstr);
#else
strtype = PyCurses_ConvertToString(self, strobj, &bytesobj, NULL);
#endif
if (strtype == 0)
return NULL;
if (use_attr == TRUE) {
attr_old = getattrs(self->win);
(void)wattrset(self->win,attr);
}
#ifdef HAVE_NCURSESW
if (strtype == 2) {
funcname = "addnwstr";
if (use_xy == TRUE)
rtn = mvwaddnwstr(self->win,y,x,wstr,n);
else
rtn = waddnwstr(self->win,wstr,n);
PyMem_Free(wstr);
}
else
#endif
{
char *str = PyBytes_AS_STRING(bytesobj);
funcname = "addnstr";
if (use_xy == TRUE)
rtn = mvwaddnstr(self->win,y,x,str,n);
else
rtn = waddnstr(self->win,str,n);
Py_DECREF(bytesobj);
}
if (use_attr == TRUE)
(void)wattrset(self->win,attr_old);
return PyCursesCheckERR(rtn, funcname);
}
static PyObject *
PyCursesWindow_Bkgd(PyCursesWindowObject *self, PyObject *args)
{
PyObject *temp;
chtype bkgd;
attr_t attr = A_NORMAL;
long lattr;
switch (PyTuple_Size(args)) {
case 1:
if (!PyArg_ParseTuple(args, "O;ch or int", &temp))
return NULL;
break;
case 2:
if (!PyArg_ParseTuple(args,"Ol;ch or int,attr", &temp, &lattr))
return NULL;
attr = lattr;
break;
default:
PyErr_SetString(PyExc_TypeError, "bkgd requires 1 or 2 arguments");
return NULL;
}
if (!PyCurses_ConvertToChtype(self, temp, &bkgd))
return NULL;
return PyCursesCheckERR(wbkgd(self->win, bkgd | attr), "bkgd");
}
static PyObject *
PyCursesWindow_AttrOff(PyCursesWindowObject *self, PyObject *args)
{
long lattr;
if (!PyArg_ParseTuple(args,"l;attr", &lattr))
return NULL;
return PyCursesCheckERR(wattroff(self->win, (attr_t)lattr), "attroff");
}
static PyObject *
PyCursesWindow_AttrOn(PyCursesWindowObject *self, PyObject *args)
{
long lattr;
if (!PyArg_ParseTuple(args,"l;attr", &lattr))
return NULL;
return PyCursesCheckERR(wattron(self->win, (attr_t)lattr), "attron");
}
static PyObject *
PyCursesWindow_AttrSet(PyCursesWindowObject *self, PyObject *args)
{
long lattr;
if (!PyArg_ParseTuple(args,"l;attr", &lattr))
return NULL;
return PyCursesCheckERR(wattrset(self->win, (attr_t)lattr), "attrset");
}
static PyObject *
PyCursesWindow_BkgdSet(PyCursesWindowObject *self, PyObject *args)
{
PyObject *temp;
chtype bkgd;
attr_t attr = A_NORMAL;
long lattr;
switch (PyTuple_Size(args)) {
case 1:
if (!PyArg_ParseTuple(args, "O;ch or int", &temp))
return NULL;
break;
case 2:
if (!PyArg_ParseTuple(args,"Ol;ch or int,attr", &temp, &lattr))
return NULL;
attr = lattr;
break;
default:
PyErr_SetString(PyExc_TypeError, "bkgdset requires 1 or 2 arguments");
return NULL;
}
if (!PyCurses_ConvertToChtype(self, temp, &bkgd))
return NULL;
wbkgdset(self->win, bkgd | attr);
return PyCursesCheckERR(0, "bkgdset");
}
static PyObject *
PyCursesWindow_Border(PyCursesWindowObject *self, PyObject *args)
{
PyObject *temp[8];
chtype ch[8];
int i;
/* Clear the array of parameters */
for(i=0; i<8; i++) {
temp[i] = NULL;
ch[i] = 0;
}
if (!PyArg_ParseTuple(args,"|OOOOOOOO;ls,rs,ts,bs,tl,tr,bl,br",
&temp[0], &temp[1], &temp[2], &temp[3],
&temp[4], &temp[5], &temp[6], &temp[7]))
return NULL;
for(i=0; i<8; i++) {
if (temp[i] != NULL && !PyCurses_ConvertToChtype(self, temp[i], &ch[i]))
return NULL;
}
wborder(self->win,
ch[0], ch[1], ch[2], ch[3],
ch[4], ch[5], ch[6], ch[7]);
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *
PyCursesWindow_Box(PyCursesWindowObject *self, PyObject *args)
{
chtype ch1=0,ch2=0;
switch(PyTuple_Size(args)){
case 0: break;
default:
if (!PyArg_ParseTuple(args,"ll;vertint,horint", &ch1, &ch2))
return NULL;
}
box(self->win,ch1,ch2);
Py_INCREF(Py_None);
return Py_None;
}
#if defined(HAVE_NCURSES_H) || defined(MVWDELCH_IS_EXPRESSION)
#define py_mvwdelch mvwdelch
#else
int py_mvwdelch(WINDOW *w, int y, int x)
{
mvwdelch(w,y,x);
/* On HP/UX, mvwdelch already returns. On other systems,
we may well run into this return statement. */
return 0;
}
#endif
/* chgat, added by Fabian Kreutz <fabian.kreutz at gmx.net> */
static PyObject *
PyCursesWindow_ChgAt(PyCursesWindowObject *self, PyObject *args)
{
int rtn;
int x, y;
int num = -1;
short color;
attr_t attr = A_NORMAL;
long lattr;
int use_xy = FALSE;
switch (PyTuple_Size(args)) {
case 1:
if (!PyArg_ParseTuple(args,"l;attr", &lattr))
return NULL;
attr = lattr;
break;
case 2:
if (!PyArg_ParseTuple(args,"il;n,attr", &num, &lattr))
return NULL;
attr = lattr;
break;
case 3:
if (!PyArg_ParseTuple(args,"iil;int,int,attr", &y, &x, &lattr))
return NULL;
attr = lattr;
use_xy = TRUE;
break;
case 4:
if (!PyArg_ParseTuple(args,"iiil;int,int,n,attr", &y, &x, &num, &lattr))
return NULL;
attr = lattr;
use_xy = TRUE;
break;
default:
PyErr_SetString(PyExc_TypeError, "chgat requires 1 to 4 arguments");
return NULL;
}
color = (short)((attr >> 8) & 0xff);
attr = attr - (color << 8);
if (use_xy == TRUE) {
rtn = mvwchgat(self->win,y,x,num,attr,color,NULL);
touchline(self->win,y,1);
} else {
getyx(self->win,y,x);
rtn = wchgat(self->win,num,attr,color,NULL);
touchline(self->win,y,1);
}
return PyCursesCheckERR(rtn, "chgat");
}
static PyObject *
PyCursesWindow_DelCh(PyCursesWindowObject *self, PyObject *args)
{
int rtn;
int x, y;
switch (PyTuple_Size(args)) {
case 0:
rtn = wdelch(self->win);
break;
case 2:
if (!PyArg_ParseTuple(args,"ii;y,x", &y, &x))
return NULL;
rtn = py_mvwdelch(self->win,y,x);
break;
default:
PyErr_SetString(PyExc_TypeError, "delch requires 0 or 2 arguments");
return NULL;
}
return PyCursesCheckERR(rtn, "[mv]wdelch");
}