def dynamicCompletion(self, event=None):
'''
dabbrev-completion
Insert the common prefix of all dynamic abbrev's matching the present word.
This corresponds to C-M-/ in Emacs.
'''
c, p, u = self.c, self.c.p, self.c.p.v.u
w = self.editWidget(event)
if not w: return
s = w.getAllText()
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
word = w.get(i, j)
aList = self.getDynamicList(w, word)
if not aList: return
# Bug fix: remove s itself, otherwise we can not extend beyond it.
if word in aList and len(aList) > 1:
aList.remove(word)
prefix = functools.reduce(g.longestCommonPrefix, aList)
if prefix.strip():
ypos = w.getYScrollPosition()
b = c.undoer.beforeChangeNodeContents(p, oldYScroll=ypos)
s = s[: i] + prefix + s[j:]
w.setAllText(s)
w.setInsertPoint(i + len(prefix))
w.setYScrollPosition(ypos)
c.undoer.afterChangeNodeContents(p,
command='dabbrev-completion', bunch=b, dirtyVnodeList=[])
c.recolor()
def dynamicExpansion(self, event=None):
'''
dabbrev-expands (M-/ in Emacs).
Inserts the longest common prefix of the word at the cursor. Displays
all possible completions if the prefix is the same as the word.
'''
trace = False and not g.unitTesting
c = self.c
p = c.p
w = self.editWidget(event)
if not w:
if trace: g.trace('no widget!')
return
s = w.getAllText()
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
w.setInsertPoint(j)
# This allows the cursor to be placed anywhere in the word.
word = w.get(i, j)
aList = self.getDynamicList(w, word)
if not aList:
if trace: g.trace('empty completion list')
return
if word in aList and len(aList) > 1:
aList.remove(word)
prefix = functools.reduce(g.longestCommonPrefix, aList)
prefix = prefix.strip()
if trace: g.trace(word, prefix, aList)
self.dynamicExpandHelper(event, prefix, aList, w)
def dynamicExpandHelper1(self, event):
c, k = self.c, self.c.k
p = c.p
c.frame.log.deleteTab('Completion')
k.clearState()
k.resetLabel()
if k.arg:
w = self.w
s = w.getAllText()
ypos = w.getYScrollPosition()
b = c.undoer.beforeChangeNodeContents(p, oldYScroll=ypos)
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
# word = s[i: j]
s = s[:i] + k.arg + s[j:]
w.setAllText(s)
w.setInsertPoint(i + len(k.arg))
w.setYScrollPosition(ypos)
c.undoer.afterChangeNodeContents(p,
command='dabbrev-expand',
bunch=b,
dirtyVnodeList=[])
c.recolor()
def findNextWord(self, p):
"""Scan for the next word, leaving the result in the work widget"""
trace = False and not g.unitTesting
c = self.c; p = p.copy()
while 1:
s = self.workCtrl.getAllText()
i = self.workCtrl.getInsertPoint()
while i < len(s) and not g.isWordChar1(s[i]):
i += 1
# g.trace('p',p and p.h,'i',i,'len(s)',len(s))
if i < len(s):
# A non-empty word has been found.
j = i
while j < len(s) and (g.isWordChar(s[j]) or s[j] == "'"):
j += 1
word = s[i: j]
word = word.strip("'")
# This trace verifies that all words have been checked.
# g.trace(repr(word))
for w in (self.workCtrl, c.frame.body.wrapper):
c.widgetWantsFocusNow(w)
w.setSelectionRange(i, j, insert=j)
if trace: g.trace(i, j, word, p.h)
return i, j, p, word
else:
# End of the body text.
p.moveToThreadNext()
if not p: break
self.workCtrl.delete(0, 'end')
self.workCtrl.insert(0, p.b)
for w in (self.workCtrl, c.frame.body.wrapper):
c.widgetWantsFocusNow(w)
w.setSelectionRange(0, 0, insert=0)
if trace: g.trace(0, 0, '-->', p.h)
return None, None, None, None
def findNextWord(self, p):
"""Scan for the next word, leaving the result in the work widget"""
trace = False and not g.unitTesting
c = self.c; p = p.copy()
while 1:
s = self.workCtrl.getAllText()
i = self.workCtrl.getInsertPoint()
while i < len(s) and not g.isWordChar1(s[i]):
i += 1
# g.trace('p',p and p.h,'i',i,'len(s)',len(s))
if i < len(s):
# A non-empty word has been found.
j = i
while j < len(s) and (g.isWordChar(s[j]) or s[j] == "'"):
j += 1
word = s[i: j]
word = word.strip("'")
# This trace verifies that all words have been checked.
# g.trace(repr(word))
for w in (self.workCtrl, c.frame.body.wrapper):
c.widgetWantsFocusNow(w)
w.setSelectionRange(i, j, insert=j)
if trace: g.trace(i, j, word, p.h)
return i, j, p, word
else:
# End of the body text.
p.moveToThreadNext()
if not p: break
self.workCtrl.delete(0, 'end')
self.workCtrl.insert(0, p.b)
for w in (self.workCtrl, c.frame.body.wrapper):
c.widgetWantsFocusNow(w)
w.setSelectionRange(0, 0, insert=0)
if trace: g.trace(0, 0, '-->', p.h)
return None, None, None, None
def dynamicExpandHelper(self, event, prefix=None, aList=None, w=None):
'''State handler for dabbrev-expands command.'''
trace = False and not g.unitTesting
c, k = self.c, self.c.k
p = c.p
tag = 'dabbrev-expand'
state = k.getState(tag)
if state == 0:
self.w = w
prefix2 = 'dabbrev-expand: '
c.frame.log.deleteTab('Completion')
g.es('', '\n'.join(aList), tabName='Completion')
# Protect only prefix2.
# This is required for tab completion and backspace to work properly.
k.setLabelBlue(prefix2, protect=True)
k.setLabelBlue(prefix2 + prefix, protect=False)
if trace: g.trace('len(aList)', len(aList))
k.getArg(event,
tag,
1,
self.dynamicExpandHelper,
tabList=aList,
prefix=prefix)
else:
c.frame.log.deleteTab('Completion')
k.clearState()
k.resetLabel()
if k.arg:
w = self.w
s = w.getAllText()
ypos = w.getYScrollPosition()
b = c.undoer.beforeChangeNodeContents(p, oldYScroll=ypos)
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
word = s[i:j]
s = s[:i] + k.arg + s[j:]
if trace:
g.trace('ins', ins, 'k.arg', repr(k.arg), 'word', word)
w.setAllText(s)
w.setInsertPoint(i + len(k.arg))
w.setYScrollPosition(ypos)
c.undoer.afterChangeNodeContents(p,
command=tag,
bunch=b,
dirtyVnodeList=[])
c.recolor()
def dynamicExpandHelper(self, event, prefix=None, aList=None, w=None):
'''State handler for dabbrev-expands command.'''
trace = False and not g.unitTesting
c, k = self.c, self.c.k
p = c.p
tag = 'dabbrev-expand'
state = k.getState(tag)
if state == 0:
self.w = w
prefix2 = 'dabbrev-expand: '
c.frame.log.deleteTab('Completion')
g.es('', '\n'.join(aList), tabName='Completion')
# Protect only prefix2.
# This is required for tab completion and backspace to work properly.
k.setLabelBlue(prefix2, protect=True)
k.setLabelBlue(prefix2 + prefix, protect=False)
if trace: g.trace('len(aList)', len(aList))
k.getArg(event, tag, 1, self.dynamicExpandHelper, tabList=aList, prefix=prefix)
else:
c.frame.log.deleteTab('Completion')
k.clearState()
k.resetLabel()
if k.arg:
w = self.w
s = w.getAllText()
ypos = w.getYScrollPosition()
b = c.undoer.beforeChangeNodeContents(p, oldYScroll=ypos)
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
word = s[i: j]
s = s[: i] + k.arg + s[j:]
if trace: g.trace('ins', ins, 'k.arg', repr(k.arg), 'word', word)
w.setAllText(s)
w.setInsertPoint(i + len(k.arg))
w.setYScrollPosition(ypos)
c.undoer.afterChangeNodeContents(p,
command=tag, bunch=b, dirtyVnodeList=[])
c.recolor()
def dynamicExpandHelper1(self, event):
trace = False and not g.unitTesting
c, k = self.c, self.c.k
p = c.p
c.frame.log.deleteTab('Completion')
k.clearState()
k.resetLabel()
if k.arg:
w = self.w
s = w.getAllText()
ypos = w.getYScrollPosition()
b = c.undoer.beforeChangeNodeContents(p, oldYScroll=ypos)
ins = ins1 = w.getInsertPoint()
if 0 < ins < len(s) and not g.isWordChar(s[ins]): ins1 -= 1
i, j = g.getWord(s, ins1)
word = s[i: j]
s = s[: i] + k.arg + s[j:]
if trace: g.trace('ins', ins, 'k.arg', repr(k.arg), 'word', word)
w.setAllText(s)
w.setInsertPoint(i + len(k.arg))
w.setYScrollPosition(ypos)
c.undoer.afterChangeNodeContents(p,
command='dabbrev-expand', bunch=b, dirtyVnodeList=[])
c.recolor()
