90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* data-types.h
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* Copyright (C) 2016 Kovid Goyal <kovid at kovidgoyal.net>
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*
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* Distributed under terms of the GPL3 license.
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*/
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#pragma once
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#include <stdint.h>
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#include <Python.h>
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#define UNUSED __attribute__ ((unused))
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#define MAX(x, y) (((x) > (y)) ? (x) : (y))
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typedef Py_UCS4 char_type;
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typedef uint64_t color_type;
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typedef uint32_t decoration_type;
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typedef uint32_t combining_type;
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typedef unsigned int index_type;
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#define CELL_SIZE (sizeof(char_type) + sizeof(color_type) + sizeof(decoration_type) + sizeof(combining_type))
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#define CHAR_MASK 0xFFFFFF
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#define ATTRS_SHIFT 24
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#define WIDTH_MASK 0xFF
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#define DECORATION_SHIFT 2
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#define BOLD_SHIFT 4
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#define ITALIC_SHIFT 5
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#define REVERSE_SHIFT 6
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#define STRIKE_SHIFT 7
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#define DECORATION_MASK (1 << DECORATION_SHIFT)
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#define BOLD_MASK (1 << BOLD_SHIFT)
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#define ITALIC_MASK (1 << ITALIC_SHIFT)
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#define REVERSE_MASK (1 << REVERSE_SHIFT)
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#define STRIKE_MASK (1 << STRIKE_SHIFT)
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#define COL_MASK 0xFFFFFFFF
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#define COL_SHIFT 32
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#define HAS_BG_MASK (0xFF << COL_SHIFT)
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#define CC_MASK 0xFFFF
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#define CC_SHIFT 16
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#define CURSOR_TO_ATTRS(c, w) \
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(w | (((c->decoration & 3) << DECORATION_SHIFT) | ((c->bold & 1) << BOLD_SHIFT) | \
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((c->italic & 1) << ITALIC_SHIFT) | ((c->reverse & 1) << REVERSE_SHIFT) | ((c->strikethrough & 1) << STRIKE_SHIFT))) << ATTRS_SHIFT
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#define ATTRS_TO_CURSOR(a, c) \
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c->decoration = a & DECORATION_MASK; c->bold = a & BOLD_MASK; c->italic = a & ITALIC_MASK; \
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c->reverse = a & REVERSE_MASK; c->strikethrough = a & STRIKE_MASK;
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#define COLORS_TO_CURSOR(col, c) \
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c->fg = col & COL_MASK; c->bg = (col >> COL_SHIFT)
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#define METHOD(name, arg_type) {#name, (PyCFunction)name, arg_type, name##_doc},
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typedef struct {
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PyObject_HEAD
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char_type *chars;
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color_type *colors;
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decoration_type *decoration_fg;
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combining_type *combining_chars;
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index_type xnum, ynum;
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} Line;
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typedef struct {
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PyObject_HEAD
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uint8_t *buf;
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index_type xnum, ynum, *line_map;
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index_type block_size;
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uint8_t *continued_map;
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Line *line;
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// Pointers into buf
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char_type *chars;
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color_type *colors;
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decoration_type *decoration_fg;
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combining_type *combining_chars;
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} LineBuf;
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typedef struct {
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PyObject_HEAD
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PyObject *x, *y, *shape, *blink, *hidden, *color;
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uint8_t bold, italic, reverse, strikethrough, decoration;
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uint32_t fg, bg, decoration_fg;
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} Cursor;
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