143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
/*
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* cursor.c
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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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#include "data-types.h"
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#include <structmember.h>
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static PyObject *
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new(PyTypeObject *type, PyObject UNUSED *args, PyObject UNUSED *kwds) {
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Cursor *self;
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self = (Cursor *)type->tp_alloc(type, 0);
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return (PyObject*) self;
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}
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static void
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dealloc(Cursor* self) {
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Py_TYPE(self)->tp_free((PyObject*)self);
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}
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#define EQ(x) (a->x == b->x)
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static int __eq__(Cursor *a, Cursor *b) {
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return EQ(bold) && EQ(italic) && EQ(strikethrough) && EQ(reverse) && EQ(decoration) && EQ(fg) && EQ(bg) && EQ(decoration_fg) && EQ(x) && EQ(y) && EQ(shape) && EQ(blink);
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}
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#define BOOL(x) ((x) ? Py_True : Py_False)
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static PyObject *
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repr(Cursor *self) {
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return PyUnicode_FromFormat(
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"Cursor(x=%u, y=%u, shape=%d, blink=%R, fg=#%08x, bg=#%08x, bold=%R, italic=%R, reverse=%R, strikethrough=%R, decoration=%d, decoration_fg=#%08x)",
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self->x, self->y, self->shape, BOOL(self->blink), self->fg, self->bg, BOOL(self->bold), BOOL(self->italic), BOOL(self->reverse), BOOL(self->strikethrough), self->decoration, self->decoration_fg
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);
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}
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void cursor_reset_display_attrs(Cursor *self) {
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self->bg = 0; self->fg = 0; self->decoration_fg = 0;
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self->decoration = 0; self->bold = false; self->italic = false; self->reverse = false; self->strikethrough = false;
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}
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static PyObject *
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reset_display_attrs(Cursor *self) {
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#define reset_display_attrs_doc "Reset all display attributes to unset"
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cursor_reset_display_attrs(self);
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Py_RETURN_NONE;
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}
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void cursor_reset(Cursor *self) {
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cursor_reset_display_attrs(self);
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self->x = 0; self->y = 0;
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self->shape = 0; self->blink = false;
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}
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void cursor_copy_to(Cursor *src, Cursor *dest) {
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#define CCY(x) dest->x = src->x;
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CCY(x); CCY(y); CCY(shape); CCY(blink);
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CCY(bold); CCY(italic); CCY(strikethrough); CCY(reverse); CCY(decoration); CCY(fg); CCY(bg); CCY(decoration_fg);
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}
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static PyObject*
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copy(Cursor *self);
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#define copy_doc "Create a clone of this cursor"
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// Boilerplate {{{
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BOOL_GETSET(Cursor, bold)
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BOOL_GETSET(Cursor, italic)
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BOOL_GETSET(Cursor, reverse)
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BOOL_GETSET(Cursor, strikethrough)
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BOOL_GETSET(Cursor, blink)
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static PyMemberDef members[] = {
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{"x", T_UINT, offsetof(Cursor, x), 0, "x"},
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{"y", T_UINT, offsetof(Cursor, y), 0, "y"},
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{"shape", T_UBYTE, offsetof(Cursor, shape), 0, "shape"},
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{"decoration", T_UBYTE, offsetof(Cursor, decoration), 0, "decoration"},
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{"fg", T_ULONG, offsetof(Cursor, fg), 0, "fg"},
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{"bg", T_ULONG, offsetof(Cursor, bg), 0, "bg"},
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{"decoration_fg", T_ULONG, offsetof(Cursor, decoration_fg), 0, "decoration_fg"},
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{NULL} /* Sentinel */
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};
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static PyGetSetDef getseters[] = {
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GETSET(bold)
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GETSET(italic)
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GETSET(reverse)
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GETSET(strikethrough)
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GETSET(blink)
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{NULL} /* Sentinel */
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};
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static PyMethodDef methods[] = {
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METHOD(copy, METH_NOARGS)
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METHOD(reset_display_attrs, METH_NOARGS)
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{NULL} /* Sentinel */
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};
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static PyObject *
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richcmp(PyObject *obj1, PyObject *obj2, int op);
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PyTypeObject Cursor_Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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.tp_name = "fast_data_types.Cursor",
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.tp_basicsize = sizeof(Cursor),
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.tp_dealloc = (destructor)dealloc,
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.tp_repr = (reprfunc)repr,
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.tp_flags = Py_TPFLAGS_DEFAULT,
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.tp_doc = "Cursors",
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.tp_richcompare = richcmp,
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.tp_methods = methods,
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.tp_members = members,
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.tp_getset = getseters,
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.tp_new = new,
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};
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RICHCMP(Cursor)
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// }}}
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Cursor*
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cursor_copy(Cursor *self) {
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Cursor* ans;
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ans = alloc_cursor();
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if (ans == NULL) { PyErr_NoMemory(); return NULL; }
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cursor_copy_to(self, ans);
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return ans;
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}
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static PyObject*
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copy(Cursor *self) {
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return (PyObject*)cursor_copy(self);
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}
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Cursor *alloc_cursor() {
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return (Cursor*)new(&Cursor_Type, NULL, NULL);
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}
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INIT_TYPE(Cursor)
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