pastkey = where + '+%dc' % len(key) # index past key
self.text.tag_remove(SEL, '1.0', END) # remove any sel
self.text.tag_add(SEL, where, pastkey) # select key
self.text.mark_set(INSERT, pastkey) # for next find
self.text.see(where) # scroll display

def onRefind(self):
self.onFind(self.lastfind)

def onChange(self):
"""
non-modal find/change dialog
2.1: pass per-dialog inputs to callbacks, may be > 1 change dialog open
"""
new = Toplevel(self)
new.title('PyEdit - change')
Label(new, text='Find text?', relief=RIDGE, width=15).grid(row=0, column=0)
Label(new, text='Change to?', relief=RIDGE, width=15).grid(row=1, column=0)
entry1 = Entry(new)
entry2 = Entry(new)
entry1.grid(row=0, column=1, sticky=EW)
entry2.grid(row=1, column=1, sticky=EW)

def onFind(): # use my entry in enclosing scope
self.onFind(entry1.get()) # runs normal find dialog callback

def onApply():
self.onDoChange(entry1.get(), entry2.get())

Button(new, text='Find', command=onFind ).grid(row=0, column=2, sticky=EW)
Button(new, text='Apply', command=onApply).grid(row=1, column=2, sticky=EW)
new.columnconfigure(1, weight=1) # expandable entries

def onDoChange(self, findtext, changeto):

on Apply in change dialog: change and refind

if self.text.tag_ranges(SEL): # must find first
self.text.delete(SEL_FIRST, SEL_LAST)
self.text.insert(INSERT, changeto) # deletes if empty
self.text.see(INSERT)
self.onFind(findtext) # goto next appear
self.text.update() # force refresh

def onGrep(self):
"""
new in version 2.1: threaded external file search;
search matched filenames in directory tree for string;
listbox clicks open matched file at line of occurrence;

search is threaded so the GUI remains active and is not
blocked, and to allow multiple greps to overlap in time;
could use threadtools, but avoid loop in no active grep;

grep Unicode policy: text files content in the searched tree
might be in any Unicode encoding: we don't ask about each (as
we do for opens), but allow the encoding used for the entire

PyEdit: A Text Editor Program/Object | 707