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Diffstat (limited to 'Demo/tkinter/guido/tkman.py')
| -rwxr-xr-x | Demo/tkinter/guido/tkman.py | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/Demo/tkinter/guido/tkman.py b/Demo/tkinter/guido/tkman.py new file mode 100755 index 0000000..c6610f8 --- /dev/null +++ b/Demo/tkinter/guido/tkman.py @@ -0,0 +1,183 @@ +#! /ufs/guido/bin/sgi/tkpython + +# Tk man page browser -- currently only shows the Tcl/Tk man pages + +import sys +import os +import string +import regex +from Tkinter import * +from ManPage import ManPage + +MANDIR = '/usr/local/man/mann' + +def listmanpages(mandir = MANDIR): + files = os.listdir(mandir) + names = [] + for file in files: + if file[-2:] == '.n': + names.append(file[:-2]) + names.sort() + return names + +class SelectionBox: + + def __init__(self, master=None): + self.choices = [] + + self.frame = Frame(master, { + Pack: {'expand': 1, 'fill': 'both'}}) + self.master = self.frame.master + self.subframe = Frame(self.frame, { + Pack: {'expand': 0, 'fill': 'both'}}) + self.listbox = Listbox(self.subframe, + {'relief': 'sunken', 'bd': 2, + 'geometry': '20x6', + Pack: {'side': 'right', + 'expand': 1, 'fill': 'both'}}) + self.subsubframe = Frame(self.subframe, { + Pack: {'side': 'left', 'expand': 1, 'fill': 'both'}}) + self.l1 = Label(self.subsubframe, + {'text': 'Display manual page named:', + Pack: {'side': 'top'}}) + self.entry = Entry(self.subsubframe, + {'relief': 'sunken', 'bd': 2, + 'width': 20, + Pack: {'side': 'top', + 'expand': 0, 'fill': 'x'}}) + self.l2 = Label(self.subsubframe, + {'text': 'Search (regexp, case insensitive):', + Pack: {'side': 'top'}}) + self.search = Entry(self.subsubframe, + {'relief': 'sunken', 'bd': 2, + 'width': 20, + Pack: {'side': 'top', + 'expand': 0, 'fill': 'x'}}) + self.title = Label(self.subsubframe, + {'text': '(none)', + Pack: {'side': 'bottom'}}) + self.text = ManPage(self.frame, + {'relief': 'sunken', 'bd': 2, + 'wrap': 'none', 'width': 72, + Pack: {'expand': 1, 'fill': 'both'}}) + + self.entry.bind('<Return>', self.entry_cb) + self.search.bind('<Return>', self.search_cb) + self.listbox.bind('<Double-1>', self.listbox_cb) + + self.entry.focus_set() + + self.showing = None + + def addchoice(self, choice): + if choice not in self.choices: + self.choices.append(choice) + self.choices.sort() + self.update() + + def addlist(self, list): + self.choices[len(self.choices):] = list + self.choices.sort() + self.update() + + def updatelist(self): + key = self.entry.get() + ok = filter(lambda name, key=key, n=len(key): name[:n]==key, + self.choices) + self.listbox.delete(0, AtEnd()) + exactmatch = 0 + for item in ok: + if item == key: exactmatch = 1 + self.listbox.insert(AtEnd(), item) + if exactmatch: + return key + elif self.listbox.size() == 1: + return self.listbox.get(0) + + def entry_cb(self, e): + self.update() + + def update(self): + self.show_page(self.updatelist()) + + def show_page(self, name): + if not name: + return + if name == self.showing: + print 'show_page: already showing' + return + name = '%s/%s.n' % (MANDIR, name) + fp = os.popen('nroff -man %s | ul -i' % name, 'r') + self.text.delete('1.0', AtEnd()) + frame_cursor = self.frame['cursor'] + entry_cursor = self.entry['cursor'] + self.entry['cursor'] = 'watch' + self.search['cursor'] = 'watch' + self.frame['cursor'] = 'watch' + self.text.parsefile(fp) + self.search['cursor'] = entry_cursor + self.entry['cursor'] = entry_cursor + self.frame['cursor'] = frame_cursor + self.entry.delete(0, AtEnd()) + self.updatelist() + + def listbox_cb(self, e): + selection = self.listbox.curselection() + if selection and len(selection) == 1: + which = self.listbox.get(selection[0]) + self.show_page(which) + + def search_cb(self, e): + self.search_string(self.search.get()) + + def search_string(self, search): + if not search: + print 'Empty search string' + return + try: + prog = regex.compile(search, regex.casefold) + except regex.error, msg: + print 'Regex error:', msg + return + here = self.text.index(AtInsert()) + lineno = string.atoi(here[:string.find(here, '.')]) + end = self.text.index(AtEnd()) + endlineno = string.atoi(end[:string.find(end, '.')]) + wraplineno = lineno + while 1: + lineno = lineno + 1 + if lineno > endlineno: + if wraplineno <= 0: + break + endlineno = wraplineno + lineno = 0 + wraplineno = 0 + line = self.text.get('%d.0 linestart' % lineno, + '%d.0 lineend' % lineno) + i = prog.search(line) + if i >= 0: + n = max(1, len(prog.group(0))) + try: + self.text.tag_remove('sel', + AtSelFirst(), + AtSelLast()) + except TclError: + pass + self.text.tag_add('sel', + '%d.%d' % (lineno, i), + '%d.%d' % (lineno, i+n)) + self.text.mark_set(AtInsert(), + '%d.%d' % (lineno, i)) + self.text.yview_pickplace(AtInsert()) + break + +def main(): + root = Tk() + sb = SelectionBox(root) + sb.addlist(listmanpages()) + if sys.argv[1:]: + sb.show_page(sys.argv[1]) + root.minsize(1, 1) + root.mainloop() + +main() |