GNU Info
(python2.1-lib.info)Constants
Constants
---------
The `curses' module defines the following data members:
`ERR'
Some curses routines that return an integer, such as `getch()',
return `ERR' upon failure.
`OK'
Some curses routines that return an integer, such as `napms()',
return `OK' upon success.
`version'
A string representing the current version of the module. Also
available as `__version__'.
Several constants are available to specify character cell attributes:
Attribute Meaning
------ -----
A_ALTCHARSET Alternate character set mode.
A_BLINK Blink mode.
A_BOLD Bold mode.
A_DIM Dim mode.
A_NORMAL Normal attribute.
A_STANDOUT Standout mode.
A_UNDERLINE Underline mode.
Keys are referred to by integer constants with names starting with
`KEY_'. The exact keycaps available are system dependent.
Key constant Key
------ -----
KEY_MIN Minimum key value
KEY_BREAK Break key (unreliable)
KEY_DOWN Down-arrow
KEY_UP Up-arrow
KEY_LEFT Left-arrow
KEY_RIGHT Right-arrow
KEY_HOME Home key (upward+left arrow)
KEY_BACKSPACE Backspace (unreliable)
KEY_F0 Function keys. Up to 64 function
keys are supported.
KEY_FN Value of function key N
KEY_DL Delete line
KEY_IL Insert line
KEY_DC Delete character
KEY_IC Insert char or enter insert mode
KEY_EIC Exit insert char mode
KEY_CLEAR Clear screen
KEY_EOS Clear to end of screen
KEY_EOL Clear to end of line
KEY_SF Scroll 1 line forward
KEY_SR Scroll 1 line backward (reverse)
KEY_NPAGE Next page
KEY_PPAGE Previous page
KEY_STAB Set tab
KEY_CTAB Clear tab
KEY_CATAB Clear all tabs
KEY_ENTER Enter or send (unreliable)
KEY_SRESET Soft (partial) reset (unreliable)
KEY_RESET Reset or hard reset (unreliable)
KEY_PRINT Print
KEY_LL Home down or bottom (lower left)
KEY_A1 Upper left of keypad
KEY_A3 Upper right of keypad
KEY_B2 Center of keypad
KEY_C1 Lower left of keypad
KEY_C3 Lower right of keypad
KEY_BTAB Back tab
KEY_BEG Beg (beginning)
KEY_CANCEL Cancel
KEY_CLOSE Close
KEY_COMMAND Cmd (command)
KEY_COPY Copy
KEY_CREATE Create
KEY_END End
KEY_EXIT Exit
KEY_FIND Find
KEY_HELP Help
KEY_MARK Mark
KEY_MESSAGE Message
KEY_MOVE Move
KEY_NEXT Next
KEY_OPEN Open
KEY_OPTIONS Options
KEY_PREVIOUS Prev (previous)
KEY_REDO Redo
KEY_REFERENCE Ref (reference)
KEY_REFRESH Refresh
KEY_REPLACE Replace
KEY_RESTART Restart
KEY_RESUME Resume
KEY_SAVE Save
KEY_SBEG Shifted Beg (beginning)
KEY_SCANCEL Shifted Cancel
KEY_SCOMMAND Shifted Command
KEY_SCOPY Shifted Copy
KEY_SCREATE Shifted Create
KEY_SDC Shifted Delete char
KEY_SDL Shifted Delete line
KEY_SELECT Select
KEY_SEND Shifted End
KEY_SEOL Shifted Clear line
KEY_SEXIT Shifted Dxit
KEY_SFIND Shifted Find
KEY_SHELP Shifted Help
KEY_SHOME Shifted Home
KEY_SIC Shifted Input
KEY_SLEFT Shifted Left arrow
KEY_SMESSAGE Shifted Message
KEY_SMOVE Shifted Move
KEY_SNEXT Shifted Next
KEY_SOPTIONS Shifted Options
KEY_SPREVIOUS Shifted Prev
KEY_SPRINT Shifted Print
KEY_SREDO Shifted Redo
KEY_SREPLACE Shifted Replace
KEY_SRIGHT Shifted Right arrow
KEY_SRSUME Shifted Resume
KEY_SSAVE Shifted Save
KEY_SSUSPEND Shifted Suspend
KEY_SUNDO Shifted Undo
KEY_SUSPEND Suspend
KEY_UNDO Undo
KEY_MOUSE Mouse event has occurred
KEY_RESIZE Terminal resize event
KEY_MAX Maximum key value
On VT100s and their software emulations, such as X terminal emulators,
there are normally at least four function keys (`KEY_F1', `KEY_F2',
`KEY_F3', `KEY_F4') available, and the arrow keys mapped to `KEY_UP',
`KEY_DOWN', `KEY_LEFT' and `KEY_RIGHT' in the obvious way. If your
machine has a PC keybboard, it is safe to expect arrow keys and twelve
function keys (older PC keyboards may have only ten function keys);
also, the following keypad mappings are standard:
Keycap Constant
------ -----
Insert KEY_IC
Delete KEY_DC
Home KEY_HOME
End KEY_END
Page Up KEY_NPAGE
Page Down KEY_PPAGE
The following table lists characters from the alternate character set.
These are inherited from the VT100 terminal, and will generally be
available on software emulations such as X terminals. When there is no
graphic available, curses falls back on a crude printable ASCII
approximation. *Note:* These are available only after `initscr()' has
been called.
ACS code Meaning
------ -----
ACS_BBSS alternate name for upper right
corner
ACS_BLOCK solid square block
ACS_BOARD board of squares
ACS_BSBS alternate name for horizontal line
ACS_BSSB alternate name for upper left corner
ACS_BSSS alternate name for top tee
ACS_BTEE bottom tee
ACS_BULLET bullet
ACS_CKBOARD checker board (stipple)
ACS_DARROW arrow pointing down
ACS_DEGREE degree symbol
ACS_DIAMOND diamond
ACS_GEQUAL greater-than-or-equal-to
ACS_HLINE horizontal line
ACS_LANTERN lantern symbol
ACS_LARROW left arrow
ACS_LEQUAL less-than-or-equal-to
ACS_LLCORNER lower left-hand corner
ACS_LRCORNER lower right-hand corner
ACS_LTEE left tee
ACS_NEQUAL not-equal sign
ACS_PI letter pi
ACS_PLMINUS plus-or-minus sign
ACS_PLUS big plus sign
ACS_RARROW right arrow
ACS_RTEE right tee
ACS_S1 scan line 1
ACS_S3 scan line 3
ACS_S7 scan line 7
ACS_S9 scan line 9
ACS_SBBS alternate name for lower right
corner
ACS_SBSB alternate name for vertical line
ACS_SBSS alternate name for right tee
ACS_SSBB alternate name for lower left corner
ACS_SSBS alternate name for bottom tee
ACS_SSSB alternate name for left tee
ACS_SSSS alternate name for crossover or big
plus
ACS_STERLING pound sterling
ACS_TTEE top tee
ACS_UARROW up arrow
ACS_ULCORNER upper left corner
ACS_URCORNER upper right corner
ACS_VLINE vertical line
The following table lists the predefined colors:
Constant Color
------ -----
COLOR_BLACK Black
COLOR_BLUE Blue
COLOR_CYAN Cyan (light greenish blue)
COLOR_GREEN Green
COLOR_MAGENTA Magenta (purplish red)
COLOR_RED Red
COLOR_WHITE White
COLOR_YELLOW Yellow
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