summaryrefslogtreecommitdiffstats
path: root/lib/colorama/winterm.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/colorama/winterm.py')
-rw-r--r--lib/colorama/winterm.py151
1 files changed, 151 insertions, 0 deletions
diff --git a/lib/colorama/winterm.py b/lib/colorama/winterm.py
new file mode 100644
index 000000000..fcc774ffa
--- /dev/null
+++ b/lib/colorama/winterm.py
@@ -0,0 +1,151 @@
+# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
+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
+ BRIGHT_BACKGROUND = 0x80 # dim text, bright 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 | WinStyle.BRIGHT_BACKGROUND)
+
+ def reset_all(self, on_stderr=None):
+ self.set_attrs(self._default)
+ self.set_console(attrs=self._default)
+
+ def fore(self, fore=None, light=False, on_stderr=False):
+ if fore is None:
+ fore = self._default_fore
+ self._fore = fore
+ if light:
+ self._style |= WinStyle.BRIGHT
+ self.set_console(on_stderr=on_stderr)
+
+ def back(self, back=None, light=False, on_stderr=False):
+ if back is None:
+ back = self._default_back
+ self._back = back
+ if light:
+ self._style |= WinStyle.BRIGHT_BACKGROUND
+ 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 get_position(self, handle):
+ position = win32.GetConsoleScreenBufferInfo(handle).dwCursorPosition
+ # Because Windows coordinates are 0-based,
+ # and win32.SetConsoleCursorPosition expects 1-based.
+ position.X += 1
+ position.Y += 1
+ return position
+
+ 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 cursor_adjust(self, x, y, on_stderr=False):
+ handle = win32.STDOUT
+ if on_stderr:
+ handle = win32.STDERR
+ position = self.get_position(handle)
+ adjusted_position = (position.Y + y, position.X + x)
+ win32.SetConsoleCursorPosition(handle, adjusted_position, adjust=False)
+
+ def erase_screen(self, mode=0, on_stderr=False):
+ # 0 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 move cursor to (1,1)
+ handle = win32.STDOUT
+ if on_stderr:
+ handle = win32.STDERR
+ csbi = win32.GetConsoleScreenBufferInfo(handle)
+ # get the number of character cells in the current buffer
+ cells_in_screen = csbi.dwSize.X * csbi.dwSize.Y
+ # get number of character cells before current cursor position
+ cells_before_cursor = csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X
+ if mode == 0:
+ from_coord = csbi.dwCursorPosition
+ cells_to_erase = cells_in_screen - cells_before_cursor
+ if mode == 1:
+ from_coord = win32.COORD(0, 0)
+ cells_to_erase = cells_before_cursor
+ elif mode == 2:
+ from_coord = win32.COORD(0, 0)
+ cells_to_erase = cells_in_screen
+ # fill the entire screen with blanks
+ win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord)
+ # now set the buffer's attributes accordingly
+ win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord)
+ if mode == 2:
+ # put the cursor where needed
+ win32.SetConsoleCursorPosition(handle, (1, 1))
+
+ def erase_line(self, mode=0, on_stderr=False):
+ # 0 should clear from the cursor to the end of the line.
+ # 1 should clear from the cursor to the beginning of the line.
+ # 2 should clear the entire line.
+ handle = win32.STDOUT
+ if on_stderr:
+ handle = win32.STDERR
+ csbi = win32.GetConsoleScreenBufferInfo(handle)
+ if mode == 0:
+ from_coord = csbi.dwCursorPosition
+ cells_to_erase = csbi.dwSize.X - csbi.dwCursorPosition.X
+ if mode == 1:
+ from_coord = win32.COORD(0, csbi.dwCursorPosition.Y)
+ cells_to_erase = csbi.dwCursorPosition.X
+ elif mode == 2:
+ from_coord = win32.COORD(0, csbi.dwCursorPosition.Y)
+ cells_to_erase = csbi.dwSize.X
+ # fill the entire screen with blanks
+ win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord)
+ # now set the buffer's attributes accordingly
+ win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord)
+
+ def set_title(self, title):
+ win32.SetConsoleTitle(title)