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Copy path_cursesmodule.c
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4951 lines (4105 loc) · 136 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
https://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 */
static const char PyCursesVersion[] = "2.2";
/* Includes */
#ifndef Py_BUILD_CORE_BUILTIN
# define Py_BUILD_CORE_MODULE 1
#endif
#include "Python.h"
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_structseq.h" // _PyStructSequence_NewType()
#ifdef __hpux
#define STRICT_SYSV_CURSES
#endif
#define CURSES_MODULE
#include "py_curses.h"
#if defined(HAVE_TERM_H) || defined(__sgi)
/* For termname, longname, putp, tigetflag, tigetnum, tigetstr, tparm
which are not declared in SysV curses and for setupterm. */
#include <term.h>
/* Including <term.h> #defines many common symbols. */
#undef lines
#undef columns
#endif
#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#if !defined(NCURSES_VERSION) && (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
#if NCURSES_EXT_FUNCS+0 >= 20170401 && NCURSES_EXT_COLORS+0 >= 20170401
#define _NCURSES_EXTENDED_COLOR_FUNCS 1
#else
#define _NCURSES_EXTENDED_COLOR_FUNCS 0
#endif
#if _NCURSES_EXTENDED_COLOR_FUNCS
#define _CURSES_COLOR_VAL_TYPE int
#define _CURSES_COLOR_NUM_TYPE int
#define _CURSES_INIT_COLOR_FUNC init_extended_color
#define _CURSES_INIT_PAIR_FUNC init_extended_pair
#define _COLOR_CONTENT_FUNC extended_color_content
#define _CURSES_PAIR_CONTENT_FUNC extended_pair_content
#else
#define _CURSES_COLOR_VAL_TYPE short
#define _CURSES_COLOR_NUM_TYPE short
#define _CURSES_INIT_COLOR_FUNC init_color
#define _CURSES_INIT_PAIR_FUNC init_pair
#define _COLOR_CONTENT_FUNC color_content
#define _CURSES_PAIR_CONTENT_FUNC pair_content
#endif /* _NCURSES_EXTENDED_COLOR_FUNCS */
/*[clinic input]
module _curses
class _curses.window "PyCursesWindowObject *" "&PyCursesWindow_Type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=43265c372c2887d6]*/
/* 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; }
/* 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_RETURN_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_AsEncodedString(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
, wchar_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;
}
*wch = 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)
{
char *str;
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_AsEncodedString(obj, win->encoding, NULL);
if (*bytes == NULL)
return 0;
/* check for embedded null bytes */
if (PyBytes_AsStringAndSize(*bytes, &str, NULL) < 0) {
Py_CLEAR(*bytes);
return 0;
}
return 1;
#endif
}
else if (PyBytes_Check(obj)) {
*bytes = Py_NewRef(obj);
/* check for embedded null bytes */
if (PyBytes_AsStringAndSize(*bytes, &str, NULL) < 0) {
Py_DECREF(obj);
return 0;
}
return 1;
}
PyErr_Format(PyExc_TypeError, "expect bytes or str, got %s",
Py_TYPE(obj)->tp_name);
return 0;
}
static int
color_allow_default_converter(PyObject *arg, void *ptr)
{
long color_number;
int overflow;
color_number = PyLong_AsLongAndOverflow(arg, &overflow);
if (color_number == -1 && PyErr_Occurred())
return 0;
if (overflow > 0 || color_number >= COLORS) {
PyErr_Format(PyExc_ValueError,
"Color number is greater than COLORS-1 (%d).",
COLORS - 1);
return 0;
}
else if (overflow < 0 || color_number < 0) {
color_number = -1;
}
*(int *)ptr = (int)color_number;
return 1;
}
static int
color_converter(PyObject *arg, void *ptr)
{
if (!color_allow_default_converter(arg, ptr)) {
return 0;
}
if (*(int *)ptr < 0) {
PyErr_SetString(PyExc_ValueError,
"Color number is less than 0.");
return 0;
}
return 1;
}
/*[python input]
class color_converter(CConverter):
type = 'int'
converter = 'color_converter'
[python start generated code]*/
/*[python end generated code: output=da39a3ee5e6b4b0d input=4260d2b6e66b3709]*/
/*[python input]
class color_allow_default_converter(CConverter):
type = 'int'
converter = 'color_allow_default_converter'
[python start generated code]*/
/*[python end generated code: output=da39a3ee5e6b4b0d input=975602bc058a872d]*/
static int
pair_converter(PyObject *arg, void *ptr)
{
long pair_number;
int overflow;
pair_number = PyLong_AsLongAndOverflow(arg, &overflow);
if (pair_number == -1 && PyErr_Occurred())
return 0;
#if _NCURSES_EXTENDED_COLOR_FUNCS
if (overflow > 0 || pair_number > INT_MAX) {
PyErr_Format(PyExc_ValueError,
"Color pair is greater than maximum (%d).",
INT_MAX);
return 0;
}
#else
if (overflow > 0 || pair_number >= COLOR_PAIRS) {
PyErr_Format(PyExc_ValueError,
"Color pair is greater than COLOR_PAIRS-1 (%d).",
COLOR_PAIRS - 1);
return 0;
}
#endif
else if (overflow < 0 || pair_number < 0) {
PyErr_SetString(PyExc_ValueError,
"Color pair is less than 0.");
return 0;
}
*(int *)ptr = (int)pair_number;
return 1;
}
/*[python input]
class pair_converter(CConverter):
type = 'int'
converter = 'pair_converter'
[python start generated code]*/
/*[python end generated code: output=da39a3ee5e6b4b0d input=1a918ae6a1b32af7]*/
static int
component_converter(PyObject *arg, void *ptr)
{
long component;
int overflow;
component = PyLong_AsLongAndOverflow(arg, &overflow);
if (component == -1 && PyErr_Occurred())
return 0;
if (overflow > 0 || component > 1000) {
PyErr_SetString(PyExc_ValueError,
"Color component is greater than 1000");
return 0;
}
else if (overflow < 0 || component < 0) {
PyErr_SetString(PyExc_ValueError,
"Color component is less than 0");
return 0;
}
*(short *)ptr = (short)component;
return 1;
}
/*[python input]
class component_converter(CConverter):
type = 'short'
converter = 'component_converter'
[python start generated code]*/
/*[python end generated code: output=da39a3ee5e6b4b0d input=38e9be01d33927fb]*/
/* 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 *Py_UNUSED(ignored)) \
{ return PyCursesCheckERR(X(self->win), # X); }
#define Window_NoArgTrueFalseFunction(X) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored)) \
{ \
return PyBool_FromLong(X(self->win)); }
#define Window_NoArgNoReturnVoidFunction(X) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored)) \
{ \
X(self->win); Py_RETURN_NONE; }
#define Window_NoArg2TupleReturnFunction(X, TYPE, ERGSTR) \
static PyObject * PyCursesWindow_ ## X \
(PyCursesWindowObject *self, PyObject *Py_UNUSED(ignored)) \
{ \
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_RETURN_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)")
#ifdef HAVE_CURSES_IMMEDOK
Window_OneArgNoReturnVoidFunction(immedok, int, "i;True(1) or False(0)")
#endif
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)")
Window_OneArgNoReturnFunction(keypad, int, "i;True(1) or False(0)")
Window_OneArgNoReturnFunction(leaveok, int, "i;True(1) or False(0)")
Window_OneArgNoReturnFunction(nodelay, int, "i;True(1) or False(0)")
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")
#ifdef HAVE_CURSES_SYNCOK
Window_OneArgNoReturnFunction(syncok, int, "i;True(1) or False(0)")
#endif
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 = _PyMem_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)
PyMem_Free(wo->encoding);
PyObject_Free(wo);
}
/* Addch, Addstr, Addnstr */
/*[clinic input]
_curses.window.addch
[
y: int
Y-coordinate.
x: int
X-coordinate.
]
ch: object
Character to add.
[
attr: long(c_default="A_NORMAL") = _curses.A_NORMAL
Attributes for the character.
]
/
Paint the character.
Paint character ch at (y, x) with attributes attr,
overwriting any character previously painted at that location.
By default, the character position and attributes are the
current settings for the window object.
[clinic start generated code]*/
static PyObject *
_curses_window_addch_impl(PyCursesWindowObject *self, int group_left_1,
int y, int x, PyObject *ch, int group_right_1,
long attr)
/*[clinic end generated code: output=00f4c37af3378f45 input=95ce131578458196]*/
{
int coordinates_group = group_left_1;
int rtn;
int type;
chtype cch = 0;
#ifdef HAVE_NCURSESW
wchar_t wstr[2];
cchar_t wcval;
#endif
const char *funcname;
#ifdef HAVE_NCURSESW
type = PyCurses_ConvertToCchar_t(self, ch, &cch, wstr);
if (type == 2) {
funcname = "add_wch";
wstr[1] = L'\0';
setcchar(&wcval, wstr, attr, PAIR_NUMBER(attr), NULL);
if (coordinates_group)
rtn = mvwadd_wch(self->win,y,x, &wcval);
else {
rtn = wadd_wch(self->win, &wcval);
}
}
else
#else
type = PyCurses_ConvertToCchar_t(self, ch, &cch);
#endif
if (type == 1) {
funcname = "addch";
if (coordinates_group)
rtn = mvwaddch(self->win,y,x, cch | (attr_t) attr);
else {
rtn = waddch(self->win, cch | (attr_t) attr);
}
}
else {
return NULL;
}
return PyCursesCheckERR(rtn, funcname);
}
/*[clinic input]
_curses.window.addstr
[
y: int
Y-coordinate.
x: int
X-coordinate.
]
str: object
String to add.
[
attr: long
Attributes for characters.
]
/
Paint the string.
Paint the string str at (y, x) with attributes attr,
overwriting anything previously on the display.
By default, the character position and attributes are the
current settings for the window object.
[clinic start generated code]*/
static PyObject *
_curses_window_addstr_impl(PyCursesWindowObject *self, int group_left_1,
int y, int x, PyObject *str, int group_right_1,
long attr)
/*[clinic end generated code: output=65a928ea85ff3115 input=ff6cbb91448a22a3]*/
{
int rtn;
int strtype;
PyObject *bytesobj = NULL;
#ifdef HAVE_NCURSESW
wchar_t *wstr = NULL;
#endif
attr_t attr_old = A_NORMAL;
int use_xy = group_left_1, use_attr = group_right_1;
const char *funcname;
#ifdef HAVE_NCURSESW
strtype = PyCurses_ConvertToString(self, str, &bytesobj, &wstr);
#else
strtype = PyCurses_ConvertToString(self, str, &bytesobj, NULL);
#endif
if (strtype == 0) {
return NULL;
}
if (use_attr) {
attr_old = getattrs(self->win);
(void)wattrset(self->win,attr);
}
#ifdef HAVE_NCURSESW
if (strtype == 2) {
funcname = "addwstr";
if (use_xy)
rtn = mvwaddwstr(self->win,y,x,wstr);
else
rtn = waddwstr(self->win,wstr);
PyMem_Free(wstr);
}
else
#endif
{
const char *str = PyBytes_AS_STRING(bytesobj);
funcname = "addstr";
if (use_xy)
rtn = mvwaddstr(self->win,y,x,str);
else
rtn = waddstr(self->win,str);
Py_DECREF(bytesobj);
}
if (use_attr)
(void)wattrset(self->win,attr_old);
return PyCursesCheckERR(rtn, funcname);
}
/*[clinic input]
_curses.window.addnstr
[
y: int
Y-coordinate.
x: int
X-coordinate.
]
str: object
String to add.
n: int
Maximal number of characters.
[
attr: long
Attributes for characters.
]
/
Paint at most n characters of the string.
Paint at most n characters of the string str at (y, x) with
attributes attr, overwriting anything previously on the display.
By default, the character position and attributes are the
current settings for the window object.
[clinic start generated code]*/
static PyObject *
_curses_window_addnstr_impl(PyCursesWindowObject *self, int group_left_1,
int y, int x, PyObject *str, int n,
int group_right_1, long attr)
/*[clinic end generated code: output=6d21cee2ce6876d9 input=72718415c2744a2a]*/
{
int rtn;
int strtype;
PyObject *bytesobj = NULL;
#ifdef HAVE_NCURSESW
wchar_t *wstr = NULL;
#endif
attr_t attr_old = A_NORMAL;
int use_xy = group_left_1, use_attr = group_right_1;
const char *funcname;
#ifdef HAVE_NCURSESW
strtype = PyCurses_ConvertToString(self, str, &bytesobj, &wstr);
#else
strtype = PyCurses_ConvertToString(self, str, &bytesobj, NULL);
#endif
if (strtype == 0)
return NULL;
if (use_attr) {
attr_old = getattrs(self->win);
(void)wattrset(self->win,attr);
}
#ifdef HAVE_NCURSESW
if (strtype == 2) {
funcname = "addnwstr";
if (use_xy)
rtn = mvwaddnwstr(self->win,y,x,wstr,n);
else
rtn = waddnwstr(self->win,wstr,n);
PyMem_Free(wstr);
}
else
#endif
{
const char *str = PyBytes_AS_STRING(bytesobj);
funcname = "addnstr";
if (use_xy)
rtn = mvwaddnstr(self->win,y,x,str,n);
else
rtn = waddnstr(self->win,str,n);
Py_DECREF(bytesobj);
}
if (use_attr)
(void)wattrset(self->win,attr_old);
return PyCursesCheckERR(rtn, funcname);
}
/*[clinic input]
_curses.window.bkgd
ch: object
Background character.
attr: long(c_default="A_NORMAL") = _curses.A_NORMAL
Background attributes.
/
Set the background property of the window.
[clinic start generated code]*/
static PyObject *
_curses_window_bkgd_impl(PyCursesWindowObject *self, PyObject *ch, long attr)
/*[clinic end generated code: output=058290afb2cf4034 input=634015bcb339283d]*/
{
chtype bkgd;
if (!PyCurses_ConvertToChtype(self, ch, &bkgd))
return NULL;
return PyCursesCheckERR(wbkgd(self->win, bkgd | attr), "bkgd");
}
/*[clinic input]
_curses.window.attroff
attr: long
/
Remove attribute attr from the "background" set.
[clinic start generated code]*/
static PyObject *
_curses_window_attroff_impl(PyCursesWindowObject *self, long attr)
/*[clinic end generated code: output=8a2fcd4df682fc64 input=786beedf06a7befe]*/
{
return PyCursesCheckERR(wattroff(self->win, (attr_t)attr), "attroff");
}
/*[clinic input]
_curses.window.attron
attr: long
/
Add attribute attr from the "background" set.
[clinic start generated code]*/
static PyObject *
_curses_window_attron_impl(PyCursesWindowObject *self, long attr)
/*[clinic end generated code: output=7afea43b237fa870 input=5a88fba7b1524f32]*/