103 lines
3.5 KiB
Python
103 lines
3.5 KiB
Python
|
|
||
|
|
from . import win32
|
||
|
|
|
||
|
|
|
||
|
|
# from wincon.h
|
||
|
|
class WinColor(object):
|
||
|
|
BLACK = 0
|
||
|
|
BLUE = 1
|
||
|
|
GREEN = 2
|
||
|
|
CYAN = 3
|
||
|
|
RED = 4
|
||
|
|
MAGENTA = 5
|
||
|
|
YELLOW = 6
|
||
|
|
GREY = 7
|
||
|
|
|
||
|
|
# from wincon.h
|
||
|
|
class WinStyle(object):
|
||
|
|
NORMAL = 0x00 # dim text, dim background
|
||
|
|
BRIGHT = 0x08 # bright text, dim background
|
||
|
|
|
||
|
|
|
||
|
|
class WinTerm(object):
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
self._default = win32.GetConsoleScreenBufferInfo(win32.STDOUT).wAttributes
|
||
|
|
self.set_attrs(self._default)
|
||
|
|
self._default_fore = self._fore
|
||
|
|
self._default_back = self._back
|
||
|
|
self._default_style = self._style
|
||
|
|
|
||
|
|
def get_attrs(self):
|
||
|
|
return self._fore + self._back * 16 + self._style
|
||
|
|
|
||
|
|
def set_attrs(self, value):
|
||
|
|
self._fore = value & 7
|
||
|
|
self._back = (value >> 4) & 7
|
||
|
|
self._style = value & WinStyle.BRIGHT
|
||
|
|
|
||
|
|
def reset_all(self, on_stderr=None):
|
||
|
|
self.set_attrs(self._default)
|
||
|
|
self.set_console(attrs=self._default)
|
||
|
|
|
||
|
|
def fore(self, fore=None, on_stderr=False):
|
||
|
|
if fore is None:
|
||
|
|
fore = self._default_fore
|
||
|
|
self._fore = fore
|
||
|
|
self.set_console(on_stderr=on_stderr)
|
||
|
|
|
||
|
|
def back(self, back=None, on_stderr=False):
|
||
|
|
if back is None:
|
||
|
|
back = self._default_back
|
||
|
|
self._back = back
|
||
|
|
self.set_console(on_stderr=on_stderr)
|
||
|
|
|
||
|
|
def style(self, style=None, on_stderr=False):
|
||
|
|
if style is None:
|
||
|
|
style = self._default_style
|
||
|
|
self._style = style
|
||
|
|
self.set_console(on_stderr=on_stderr)
|
||
|
|
|
||
|
|
def set_console(self, attrs=None, on_stderr=False):
|
||
|
|
if attrs is None:
|
||
|
|
attrs = self.get_attrs()
|
||
|
|
handle = win32.STDOUT
|
||
|
|
if on_stderr:
|
||
|
|
handle = win32.STDERR
|
||
|
|
win32.SetConsoleTextAttribute(handle, attrs)
|
||
|
|
|
||
|
|
def set_cursor_position(self, position=None, on_stderr=False):
|
||
|
|
if position is None:
|
||
|
|
#I'm not currently tracking the position, so there is no default.
|
||
|
|
#position = self.get_position()
|
||
|
|
return
|
||
|
|
handle = win32.STDOUT
|
||
|
|
if on_stderr:
|
||
|
|
handle = win32.STDERR
|
||
|
|
win32.SetConsoleCursorPosition(handle, position)
|
||
|
|
|
||
|
|
def erase_data(self, mode=0, on_stderr=False):
|
||
|
|
# 0 (or None) should clear from the cursor to the end of the screen.
|
||
|
|
# 1 should clear from the cursor to the beginning of the screen.
|
||
|
|
# 2 should clear the entire screen. (And maybe move cursor to (1,1)?)
|
||
|
|
#
|
||
|
|
# At the moment, I only support mode 2. From looking at the API, it
|
||
|
|
# should be possible to calculate a different number of bytes to clear,
|
||
|
|
# and to do so relative to the cursor position.
|
||
|
|
if mode[0] not in (2,):
|
||
|
|
return
|
||
|
|
handle = win32.STDOUT
|
||
|
|
if on_stderr:
|
||
|
|
handle = win32.STDERR
|
||
|
|
# here's where we'll home the cursor
|
||
|
|
coord_screen = win32.COORD(0,0)
|
||
|
|
csbi = win32.GetConsoleScreenBufferInfo(handle)
|
||
|
|
# get the number of character cells in the current buffer
|
||
|
|
dw_con_size = csbi.dwSize.X * csbi.dwSize.Y
|
||
|
|
# fill the entire screen with blanks
|
||
|
|
win32.FillConsoleOutputCharacter(handle, ord(' '), dw_con_size, coord_screen)
|
||
|
|
# now set the buffer's attributes accordingly
|
||
|
|
win32.FillConsoleOutputAttribute(handle, self.get_attrs(), dw_con_size, coord_screen );
|
||
|
|
# put the cursor at (0, 0)
|
||
|
|
win32.SetConsoleCursorPosition(handle, (coord_screen.X, coord_screen.Y))
|