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basic line editing

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This commit is contained in:
Mattias Andrée 2012-10-30 17:32:40 +01:00
parent 0e38490d3c
commit 51858104cd
1 changed files with 68 additions and 9 deletions
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77
ponysay-tool.py
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@ -283,12 +283,18 @@ class TextArea:
dispfields = [item + ': ' for item in self.fields]
innerleft = UCS.dispLen(max(dispfields, key = UCS.dispLen)) + self.left
leftlines = []
datalines = []
firstline = True
y = self.top
for key in self.fields:
first = True
for unused in self.datamap[key].split('\n'):
print('\033[%i;%iH\033[34m%s:\033[39m' % (y, self.left, '>' if (key == 'comment') and not first else key), end='')
first = False
for line in self.datamap[key].split('\n'):
print('\033[%i;%iH\033[%s34m%s:\033[%s39m' % (y, self.left, '1;' if firstline else '', '>' if (key == 'comment') and not first else key, '21;' if firstline else''), end='')
leftlines.append(key)
datalines.append(line)
first = firstline = False
y += 1
(termh, termw) = self.termsize
@ -301,17 +307,70 @@ class TextArea:
print('\033[%i;%iH' % (self.top, innerleft), end='')
(y, x) = (0, 0)
def alert(text):
print('\033[%i;%iH\033[2K%s\033[%i;%iH' % (termh, 1, text, self.top + y, innerleft + x), end='')
alerted = False
while True:
sys.stdout.flush()
d = sys.stdin.read(1)
if d == '\n':
break
if ord(d) < ord(' '):
print('\033[%i;%iH%s\033[%i;%iH' % (termh, 1, '(%s)' % ord(d), self.top + y, innerleft + x), end='')
if alerted:
alerted = False
alert('')
if (ord(d) == 127) or (ord(d) == 8):
if x == 0:
alert('At beginning')
alerted = True
continue
dataline = datalines[y]
datalines[y] = dataline = dataline[:x - 1] + dataline[x:]
x -= 1
print('\033[%i;%iH%s \033[%i;%iH' % (self.top + y, innerleft, dataline, self.top + y, innerleft + x), end='')
elif ord(d) < ord(' '):
if d == '\033':
d = sys.stdin.read(1)
if d == '[':
d = sys.stdin.read(1)
if d == 'C':
if x < len(datalines[y]):
x += 1
print('\033[C', end='')
else:
alert('At beginning')
alerted = True
elif d == 'D':
if x > 0:
x -= 1
print('\033[D', end='')
else:
alert('At end')
alerted = True
elif d == '3':
d = sys.stdin.read(1)
if d == '~':
dataline = datalines[y]
if x == len(dataline):
alert('At end')
alerted = True
continue
datalines[y] = dataline = dataline[:x] + dataline[x + 1:]
print('\033[%i;%iH%s \033[%i;%iH' % (self.top + y, innerleft, dataline, self.top + y, innerleft + x), end='')
elif d == 'O':
d = sys.stdin.read(1)
if d == 'H':
x = 0
elif d == 'F':
x = len(datalines[y])
print('\033[%i;%iH' % (self.top + y, innerleft + x), end='')
elif d == '\n':
break
else:
print(d, end='')
dataline = datalines[y];
print(d + dataline[x:], end='')
if len(dataline) - x > 0:
print('\033[%iD' % (len(dataline) - x), end='')
datalines[y] = dataline[:x] + d + dataline[x:]
x += 1