128 lines
4.9 KiB
C
128 lines
4.9 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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#include "shared-bindings/terminalio/Terminal.h"
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#include "shared-bindings/util.h"
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#include "py/ioctl.h"
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#include "py/objproperty.h"
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#include "py/objstr.h"
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#include "py/runtime.h"
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#include "py/stream.h"
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#include "shared-bindings/fontio/BuiltinFont.h"
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#include "supervisor/shared/translate.h"
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//| class Terminal:
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//| """Display a character stream with a TileGrid"""
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//|
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//| def __init__(self, tilegrid: bitmap, font: fontio.BuiltinFont) -> None:
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//| """Terminal manages tile indices and cursor position based on VT100 commands. The font should be
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//| a `fontio.BuiltinFont` and the TileGrid's bitmap should match the font's bitmap."""
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//| ...
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//|
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STATIC mp_obj_t terminalio_terminal_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_tilegrid, ARG_font };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_tilegrid, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_font, MP_ARG_REQUIRED | MP_ARG_OBJ },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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mp_obj_t tilegrid = args[ARG_tilegrid].u_obj;
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if (!MP_OBJ_IS_TYPE(tilegrid, &displayio_tilegrid_type)) {
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mp_raise_TypeError_varg(translate("Expected a %q"), displayio_tilegrid_type.name);
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}
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mp_obj_t font = args[ARG_font].u_obj;
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if (!MP_OBJ_IS_TYPE(font, &fontio_builtinfont_type)) {
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mp_raise_TypeError_varg(translate("Expected a %q"), fontio_builtinfont_type.name);
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}
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terminalio_terminal_obj_t *self = m_new_obj(terminalio_terminal_obj_t);
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self->base.type = &terminalio_terminal_type;
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common_hal_terminalio_terminal_construct(self, MP_OBJ_TO_PTR(tilegrid), MP_OBJ_TO_PTR(font));
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return MP_OBJ_FROM_PTR(self);
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}
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// These are standard stream methods. Code is in py/stream.c.
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//
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//| def write(self, buf: ReadableBuffer) -> Optional[int]:
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//| """Write the buffer of bytes to the bus.
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//|
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//| :return: the number of bytes written
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//| :rtype: int or None"""
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//| ...
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//|
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STATIC mp_uint_t terminalio_terminal_write(mp_obj_t self_in, const void *buf_in, mp_uint_t size, int *errcode) {
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terminalio_terminal_obj_t *self = MP_OBJ_TO_PTR(self_in);
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const byte *buf = buf_in;
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return common_hal_terminalio_terminal_write(self, buf, size, errcode);
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}
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STATIC mp_uint_t terminalio_terminal_ioctl(mp_obj_t self_in, mp_uint_t request, mp_uint_t arg, int *errcode) {
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terminalio_terminal_obj_t *self = MP_OBJ_TO_PTR(self_in);
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mp_uint_t ret;
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if (request == MP_IOCTL_POLL) {
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mp_uint_t flags = arg;
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ret = 0;
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if ((flags & MP_IOCTL_POLL_WR) && common_hal_terminalio_terminal_ready_to_tx(self)) {
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ret |= MP_IOCTL_POLL_WR;
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}
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} else {
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*errcode = MP_EINVAL;
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ret = MP_STREAM_ERROR;
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}
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return ret;
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}
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STATIC const mp_rom_map_elem_t terminalio_terminal_locals_dict_table[] = {
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// Standard stream methods.
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{ MP_OBJ_NEW_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(terminalio_terminal_locals_dict, terminalio_terminal_locals_dict_table);
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STATIC const mp_stream_p_t terminalio_terminal_stream_p = {
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MP_PROTO_IMPLEMENT(MP_QSTR_protocol_stream)
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.read = NULL,
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.write = terminalio_terminal_write,
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.ioctl = terminalio_terminal_ioctl,
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.is_text = true,
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};
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const mp_obj_type_t terminalio_terminal_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Terminal,
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.make_new = terminalio_terminal_make_new,
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.getiter = mp_identity_getiter,
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.iternext = mp_stream_unbuffered_iter,
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.protocol = &terminalio_terminal_stream_p,
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.locals_dict = (mp_obj_dict_t*)&terminalio_terminal_locals_dict,
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};
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