149 lines
4.7 KiB
Python
149 lines
4.7 KiB
Python
# These functions are part of the python-colorama module
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# They have been adjusted slightly for Dosage
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#
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# Copyright: (C) 2010 Jonathan Hartley <tartley@tartley.com>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name(s) of the copyright holders nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# from winbase.h
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STDOUT = -11
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STDERR = -12
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from ctypes import (windll, byref, Structure, c_char, c_short, c_uint32,
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c_ushort)
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handles = {
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STDOUT: windll.kernel32.GetStdHandle(STDOUT),
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STDERR: windll.kernel32.GetStdHandle(STDERR),
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}
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SHORT = c_short
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WORD = c_ushort
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DWORD = c_uint32
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TCHAR = c_char
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class COORD(Structure):
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"""struct in wincon.h"""
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_fields_ = [
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('X', SHORT),
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('Y', SHORT),
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]
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class SMALL_RECT(Structure):
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"""struct in wincon.h."""
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_fields_ = [
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("Left", SHORT),
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("Top", SHORT),
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("Right", SHORT),
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("Bottom", SHORT),
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]
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class CONSOLE_SCREEN_BUFFER_INFO(Structure):
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"""struct in wincon.h."""
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_fields_ = [
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("dwSize", COORD),
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("dwCursorPosition", COORD),
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("wAttributes", WORD),
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("srWindow", SMALL_RECT),
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("dwMaximumWindowSize", COORD),
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]
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def __str__(self):
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"""Get string representation of console screen buffer info."""
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return '(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)' % (
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self.dwSize.Y, self.dwSize.X
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, self.dwCursorPosition.Y, self.dwCursorPosition.X
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, self.wAttributes
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, self.srWindow.Top, self.srWindow.Left, self.srWindow.Bottom, self.srWindow.Right
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, self.dwMaximumWindowSize.Y, self.dwMaximumWindowSize.X
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)
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def GetConsoleScreenBufferInfo(stream_id=STDOUT):
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"""Get console screen buffer info object."""
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handle = handles[stream_id]
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csbi = CONSOLE_SCREEN_BUFFER_INFO()
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success = windll.kernel32.GetConsoleScreenBufferInfo(
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handle, byref(csbi))
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return csbi
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def SetConsoleTextAttribute(stream_id, attrs):
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"""Set a console text attribute."""
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handle = handles[stream_id]
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return windll.kernel32.SetConsoleTextAttribute(handle, attrs)
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# from wincon.h
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BLACK = 0
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BLUE = 1
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GREEN = 2
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CYAN = 3
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RED = 4
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MAGENTA = 5
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YELLOW = 6
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GREY = 7
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# from wincon.h
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NORMAL = 0x00 # dim text, dim background
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BRIGHT = 0x08 # bright text, dim background
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_default_foreground = None
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_default_background = None
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_default_style = None
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def init():
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"""Initialize foreground and background attributes."""
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global _default_foreground, _default_background, _default_style
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attrs = GetConsoleScreenBufferInfo(STDOUT).wAttributes
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_default_foreground = attrs & 7
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_default_background = (attrs >> 4) & 7
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_default_style = attrs & BRIGHT
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def get_attrs(foreground, background, style):
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"""Get foreground and background attributes."""
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return foreground + (background << 4) + style
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def set_console(stream=STDOUT, foreground=None, background=None, style=None):
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"""Set console foreground and background attributes."""
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if foreground is None:
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foreground = _default_foreground
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if background is None:
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background = _default_background
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if style is None:
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style = _default_style
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attrs = get_attrs(foreground, background, style)
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SetConsoleTextAttribute(stream, attrs)
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def reset_console(stream=STDOUT):
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"""Reset the console."""
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set_console(stream=stream)
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def get_console_size():
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"""Get the console size."""
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return GetConsoleScreenBufferInfo(STDOUT).dwSize
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