mirror of
https://github.com/python/cpython
synced 2024-09-05 16:38:56 +00:00
Sync to ESR's current version
This commit is contained in:
Andrew M. Kuchling
parent
8f790fe459
commit
e8d7dbfe42
|
|
@ -15,7 +15,7 @@ def rectangle(win, uly, ulx, lry, lrx):
|
|||
win.addch(lry, lrx, curses.ACS_LRCORNER)
|
||||
win.addch(lry, ulx, curses.ACS_LLCORNER)
|
||||
|
||||
class textbox:
|
||||
class Textbox:
|
||||
"""Editing widget using the interior of a window object.
|
||||
Supports the following Emacs-like key bindings:
|
||||
|
||||
|
|
@ -25,6 +25,7 @@ class textbox:
|
|||
Ctrl-E Go to right edge (nospaces off) or end of line (nospaces on).
|
||||
Ctrl-F Cursor right, wrapping to next line when appropriate.
|
||||
Ctrl-G Terminate, returning the window contents.
|
||||
Ctrl-H Delete character backward.
|
||||
Ctrl-J Terminate if the window is 1 line, otherwise insert newline.
|
||||
Ctrl-K If line is blank, delete it, otherwise clear to end of line.
|
||||
Ctrl-L Refresh screen
|
||||
|
|
@ -36,6 +37,7 @@ class textbox:
|
|||
is not possible. The following synonyms are supported where possible:
|
||||
|
||||
KEY_LEFT = Ctrl-B, KEY_RIGHT = Ctrl-F, KEY_UP = Ctrl-P, KEY_DOWN = Ctrl-N
|
||||
KEY_BACKSPACE = Ctrl-h
|
||||
"""
|
||||
def __init__(self, win):
|
||||
self.win = win
|
||||
|
|
@ -43,26 +45,25 @@ def __init__(self, win):
|
|||
self.maxy = self.maxy - 1
|
||||
self.maxx = self.maxx - 1
|
||||
self.stripspaces = 1
|
||||
self.lastcmd = None
|
||||
win.keypad(1)
|
||||
|
||||
def firstblank(self, y):
|
||||
"Go to the location of the first blank on the given line."
|
||||
(oldy, oldx) = self.win.getyx()
|
||||
self.win.move(y, self.maxx-1)
|
||||
last = self.maxx-1
|
||||
last = self.maxx
|
||||
while 1:
|
||||
if last == 0:
|
||||
break
|
||||
if ascii.ascii(self.win.inch(y, last)) != ascii.SP:
|
||||
last = last + 1
|
||||
break
|
||||
elif last == 0:
|
||||
break
|
||||
last = last - 1
|
||||
self.win.move(oldy, oldx)
|
||||
return last
|
||||
|
||||
def do_command(self, ch):
|
||||
"Process a single editing command."
|
||||
(y, x) = self.win.getyx()
|
||||
self.lastcmd = ch
|
||||
if ascii.isprint(ch):
|
||||
if y < self.maxy or x < self.maxx:
|
||||
# The try-catch ignores the error we trigger from some curses
|
||||
|
|
@ -72,9 +73,9 @@ def do_command(self, ch):
|
|||
self.win.addch(ch)
|
||||
except ERR:
|
||||
pass
|
||||
elif ch == ascii.SOH: # Ctrl-a
|
||||
elif ch == ascii.SOH: # ^a
|
||||
self.win.move(y, 0)
|
||||
elif ch in (ascii.STX, curses.KEY_LEFT): # Ctrl-b
|
||||
elif ch in (ascii.STX,curses.KEY_LEFT, ascii.BS,curses.KEY_BACKSPACE):
|
||||
if x > 0:
|
||||
self.win.move(y, x-1)
|
||||
elif y == 0:
|
||||
|
|
@ -83,43 +84,44 @@ def do_command(self, ch):
|
|||
self.win.move(y-1, self.firstblank(y-1))
|
||||
else:
|
||||
self.win.move(y-1, self.maxx)
|
||||
elif ch == ascii.EOT: # Ctrl-d
|
||||
if ch in (ascii.BS, curses.KEY_BACKSPACE):
|
||||
self.win.delch()
|
||||
elif ch == ascii.EOT: # ^d
|
||||
self.win.delch()
|
||||
elif ch == ascii.ENQ: # Ctrl-e
|
||||
elif ch == ascii.ENQ: # ^e
|
||||
if self.stripspaces:
|
||||
self.win.move(y, self.firstblank(y, maxx))
|
||||
else:
|
||||
self.win.move(y, self.maxx)
|
||||
elif ch in (ascii.ACK, curses.KEY_RIGHT): # Ctrl-f
|
||||
elif ch in (ascii.ACK, curses.KEY_RIGHT): # ^f
|
||||
if x < self.maxx:
|
||||
self.win.move(y, x+1)
|
||||
elif y == self.maxx:
|
||||
elif y == self.maxy:
|
||||
pass
|
||||
else:
|
||||
self.win.move(y+1, 0)
|
||||
elif ch == ascii.BEL: # Ctrl-g
|
||||
elif ch == ascii.BEL: # ^g
|
||||
return 0
|
||||
elif ch == ascii.NL: # Ctrl-j
|
||||
elif ch == ascii.NL: # ^j
|
||||
if self.maxy == 0:
|
||||
return 0
|
||||
elif y < self.maxy:
|
||||
self.win.move(y+1, 0)
|
||||
elif ch == ascii.VT: # Ctrl-k
|
||||
elif ch == ascii.VT: # ^k
|
||||
if x == 0 and self.firstblank(y) == 0:
|
||||
self.win.deleteln()
|
||||
else:
|
||||
self.win.clrtoeol()
|
||||
elif ch == ascii.FF: # Ctrl-l
|
||||
elif ch == ascii.FF: # ^l
|
||||
self.win.refresh()
|
||||
elif ch in (ascii.SO, curses.KEY_DOWN): # Ctrl-n
|
||||
elif ch in (ascii.SO, curses.KEY_DOWN): # ^n
|
||||
if y < self.maxy:
|
||||
self.win.move(y+1, x)
|
||||
elif ch == ascii.SI: # Ctrl-o
|
||||
elif ch == ascii.SI: # ^o
|
||||
self.win.insertln()
|
||||
elif ch in (ascii.DLE, curses.KEY_UP): # Ctrl-p
|
||||
elif ch in (ascii.DLE, curses.KEY_UP): # ^p
|
||||
if y > 0:
|
||||
self.win.move(y-1, x)
|
||||
self.win.refresh()
|
||||
return 1
|
||||
|
||||
def gather(self):
|
||||
|
|
@ -128,6 +130,7 @@ def gather(self):
|
|||
for y in range(self.maxy+1):
|
||||
self.win.move(y, 0)
|
||||
stop = self.firstblank(y)
|
||||
#sys.stderr.write("y=%d, firstblank(y)=%d\n" % (y, stop))
|
||||
if stop == 0 and self.stripspaces:
|
||||
continue
|
||||
for x in range(self.maxx+1):
|
||||
|
|
@ -144,8 +147,11 @@ def edit(self, validate=None):
|
|||
ch = self.win.getch()
|
||||
if validate:
|
||||
ch = validate(ch)
|
||||
if not ch:
|
||||
continue
|
||||
if not self.do_command(ch):
|
||||
break
|
||||
self.win.refresh()
|
||||
return self.gather()
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
|
@ -153,7 +159,7 @@ def test_editbox(stdscr):
|
|||
win = curses.newwin(4, 9, 15, 20)
|
||||
rectangle(stdscr, 14, 19, 19, 29)
|
||||
stdscr.refresh()
|
||||
return textbox(win).edit()
|
||||
return Textbox(win).edit()
|
||||
|
||||
str = curses.wrapper(test_editbox)
|
||||
print str
|
||||
|
|
|
|||
Loading…
Reference in a new issue