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from ctypes import *
import vt100_raw
class vt100_rgb_color(Structure):
_fields_ = [
("_r", c_ubyte),
("_g", c_ubyte),
("_b", c_ubyte),
]
class vt100_color_type(Union):
_anonymous_ = ("_rgb",)
_fields_ = [
("_rgb", vt100_rgb_color),
("_idx", c_ubyte),
]
class vt100_color_def(Structure):
_anonymous_ = ("_color",)
_fields_ = [
("_color", vt100_color_type),
("_type", c_ubyte),
]
class vt100_color(Union):
_anonymous_ = ("_color",)
_fields_ = [
("_color", vt100_color_def),
("_id", c_uint32),
]
def color(self):
color_type = self._type
if color_type == 0:
return None
elif color_type == 1:
return self._idx
elif color_type == 2:
return (self._r, self._g, self._b)
else:
raise Exception("unknown color type: %d" % color_type)
class vt100_named_attrs(Structure):
_fields_ = [
("_bold", c_ubyte, 1),
("_italic", c_ubyte, 1),
("_underline", c_ubyte, 1),
("_inverse", c_ubyte, 1),
]
class vt100_attrs(Union):
_anonymous_ = ("_named",)
_fields_ = [
("_named", vt100_named_attrs),
("_attrs", c_ubyte),
]
class vt100_cell_attrs(Structure):
_anonymous_ = ("_cell_attrs",)
_fields_ = [
("_fgcolor", vt100_color),
("_bgcolor", vt100_color),
("_cell_attrs", vt100_attrs),
]
class vt100_cell(Structure):
_fields_ = [
("_contents", c_char * 8),
("_len", c_size_t),
("_attrs", vt100_cell_attrs),
("_is_wide", c_ubyte, 1),
]
def contents(self):
return self._contents[:self._len].decode('utf-8')
def fgcolor(self):
return self._attrs._fgcolor.color()
def bgcolor(self):
return self._attrs._bgcolor.color()
def all_attrs(self):
return self._attrs._attrs
def bold(self):
return self._attrs._bold != 0
def italic(self):
return self._attrs._italic != 0
def underline(self):
return self._attrs._underline != 0
def inverse(self):
return self._attrs._inverse != 0
def is_wide(self):
return self._is_wide != 0
class vt100_loc(Structure):
_fields_ = [
("row", c_int),
("col", c_int),
]
class vt100_grid(Structure):
_fields_ = [
("_cur", vt100_loc),
("_max", vt100_loc),
("_saved", vt100_loc),
("_scroll_top", c_int),
("_scroll_bottom", c_int),
("_row_count", c_int),
("_row_capacity", c_int),
("_row_top", c_int),
("_rows", c_void_p),
]
class vt100_screen(Structure):
_fields_ = [
("_grid", POINTER(vt100_grid)),
("_alternate", POINTER(vt100_grid)),
("_title", c_char_p),
("_title_len", c_size_t),
("_icon_name", c_char_p),
("_icon_name_len", c_size_t),
("_attrs", vt100_cell_attrs),
("_scrollback_length", c_int),
("_parser_state", c_void_p),
("_hide_cursor", c_ubyte, 1),
("_application_keypad", c_ubyte, 1),
("_application_cursor", c_ubyte, 1),
("_mouse_reporting_press", c_ubyte, 1),
("_mouse_reporting_press_release", c_ubyte, 1),
("_mouse_reporting_button_motion", c_ubyte, 1),
("_mouse_reporting_sgr_mode", c_ubyte, 1),
("_bracketed_paste", c_ubyte, 1),
("_visual_bell", c_ubyte, 1),
("_audible_bell", c_ubyte, 1),
("_update_title", c_ubyte, 1),
("_update_icon_name", c_ubyte, 1),
("_dirty", c_ubyte, 1),
("_custom_scrollback_length", c_ubyte, 1),
]
# XXX process/cell need mutexes
class vt100(object):
def __init__(self, rows, cols):
self._rows = rows
self._cols = cols
self._screen = vt100_screen.from_address(vt100_raw.new(rows, cols))
def __del__(self):
vt100_raw.delete(addressof(self._screen))
def window_size(self):
return self._rows, self._cols
def set_window_size(self, rows, cols):
self._rows = rows
self._cols = cols
vt100_raw.set_window_size(addressof(self._screen), rows, cols)
def process(self, string):
return vt100_raw.process_string(addressof(self._screen), string)
def window_contents(self, row_start=0, col_start=0, row_end=None, col_end=None):
if row_end is None:
row_end = self._rows - 1
if col_end is None:
col_end = self._cols - 1
row_start = min(max(row_start, 0), self._rows - 1)
col_start = min(max(col_start, 0), self._cols - 1)
row_end = min(max(row_end, 0), self._rows - 1)
col_end = min(max(col_end, 0), self._cols - 1)
return vt100_raw.get_string_plaintext(
addressof(self._screen), row_start, col_start, row_end, col_end
).decode('utf-8')
def window_contents_formatted(self, row_start=0, col_start=0, row_end=None, col_end=None):
if row_end is None:
row_end = self._rows - 1
if col_end is None:
col_end = self._cols - 1
row_start = min(max(row_start, 0), self._rows - 1)
col_start = min(max(col_start, 0), self._cols - 1)
row_end = min(max(row_end, 0), self._rows - 1)
col_end = min(max(col_end, 0), self._cols - 1)
return vt100_raw.get_string_formatted(
addressof(self._screen), row_start, col_start, row_end, col_end
).decode('utf-8')
def cell(self, row, col):
if row < 0 or row >= self._rows or col < 0 or col >= self._cols:
return None
return vt100_cell.from_address(
vt100_raw.cell_at(addressof(self._screen), row, col)
)
def cursor_position(self):
pos = self._screen._grid.contents._cur
return pos.row, pos.col
def title(self):
title_str = self._screen._title
if title_str is None:
return ""
else:
return title_str[:self._screen._title_len].decode('utf-8')
def icon_name(self):
icon_name_str = self._screen._icon_name
if icon_name_str is None:
return ""
else:
return icon_name_str[:self._screen._icon_name_len].decode('utf-8')
def fgcolor(self):
return self._screen._attrs._fgcolor.color()
def bgcolor(self):
return self._screen._attrs._bgcolor.color()
def all_attrs(self):
return self._screen._attrs._attrs
def bold(self):
return self._screen._attrs._bold != 0
def italic(self):
return self._screen._attrs._italic != 0
def underline(self):
return self._screen._attrs._underline != 0
def inverse(self):
return self._screen._attrs._inverse != 0
def hide_cursor(self):
return self._screen._hide_cursor != 0
def application_keypad(self):
return self._screen._application_keypad != 0
def application_cursor(self):
return self._screen._application_cursor != 0
def mouse_reporting_press(self):
return self._screen._mouse_reporting_press != 0
def mouse_reporting_press_release(self):
return self._screen._mouse_reporting_press_release != 0
def mouse_reporting_button_motion(self):
return self._screen._mouse_reporting_button_motion != 0
def mouse_reporting_sgr_mode(self):
return self._screen._mouse_reporting_sgr_mode != 0
def bracketed_paste(self):
return self._screen._bracketed_paste != 0
def alternate_buffer_active(self):
return bool(self._screen._alternate)
def seen_visual_bell(self):
seen = self._screen._visual_bell
self._screen._visual_bell = 0
return seen != 0
def seen_audible_bell(self):
seen = self._screen._audible_bell
self._screen._audible_bell = 0
return seen != 0
|
