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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 type(self):
if self._type == 0:
return "default"
elif self._type == 1:
return "indexed"
elif self._type == 2:
return "rgb"
else:
raise Exception("unknown color type: %d" % self._type)
def color(self):
color_type = self.type()
if color_type == "default":
return None
elif color_type == "indexed":
return self._idx
elif color_type == "rgb":
return (self._r, self._g, self._b)
else:
raise Exception("unknown color type: %s" % 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
def bgcolor(self):
return self._attrs._bgcolor
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_screen(Structure):
_fields_ = [
("_grid", c_void_p),
("_alternate", c_void_p),
("_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),
("_has_selection", 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.vt = vt100_raw.new(rows, cols)
self.screen = vt100_screen.from_address(self.vt)
def __del__(self):
vt100_raw.delete(self.vt)
def set_window_size(self, rows, cols):
self.rows = rows
self.cols = cols
vt100_raw.set_window_size(self.vt, rows, cols)
def process(self, string):
return vt100_raw.process_string(self.vt, string)
def get_string_formatted(self, row_start, col_start, row_end, col_end):
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(
self.vt, row_start, col_start, row_end, col_end
)
def get_string_plaintext(self, row_start, col_start, row_end, col_end):
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(
self.vt, row_start, col_start, row_end, col_end
)
def cell(self, x, y):
if x < 0 or x >= self.cols or y < 0 or y >= self.rows:
return None
return vt100_cell.from_address(vt100_raw.cell_at(self.vt, x, y))
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
|
