mirror of
https://github.com/python/cpython.git
synced 2025-07-24 11:44:31 +00:00
Initial revision
This commit is contained in:
Guido van Rossum
parent
5113569151
commit
f09b770f68
2 changed files with 332 additions and 0 deletions
149
Demo/tkinter/guido/ManPage.py
Executable file
149
Demo/tkinter/guido/ManPage.py
Executable file
|
|
@ -0,0 +1,149 @@
|
|||
# Widget to display a man page
|
||||
|
||||
import regex
|
||||
from Tkinter import *
|
||||
from ScrolledText import ScrolledText
|
||||
|
||||
# XXX These fonts may have to be changed to match your system
|
||||
BOLDFONT = '*-Courier-Bold-R-Normal-*-120-*'
|
||||
ITALICFONT = '*-Courier-Medium-O-Normal-*-120-*'
|
||||
|
||||
# XXX Recognizing footers is system dependent
|
||||
# (This one works for IRIX 5.2 and Solaris 2.2)
|
||||
footerprog = regex.compile(
|
||||
'^ Page [1-9][0-9]*[ \t]+\|^.*Last change:.*[1-9][0-9]*\n')
|
||||
emptyprog = regex.compile('^[ \t]*\n')
|
||||
ulprog = regex.compile('^[ \t]*[Xv!_][Xv!_ \t]*\n')
|
||||
|
||||
# Basic Man Page class -- does not disable editing
|
||||
class EditableManPage(ScrolledText):
|
||||
|
||||
def __init__(self, master=None, cnf={}):
|
||||
# Initialize base class
|
||||
ScrolledText.__init__(self, master, cnf)
|
||||
|
||||
# Define tags for formatting styles
|
||||
self.text.tag_config('bold', {'font': BOLDFONT})
|
||||
self.text.tag_config('italic', {'font': ITALICFONT})
|
||||
self.text.tag_config('underline', {'underline': 1})
|
||||
|
||||
# Create mapping from characters to tags
|
||||
self.tagmap = {
|
||||
'X': 'bold',
|
||||
'_': 'underline',
|
||||
'!': 'italic',
|
||||
}
|
||||
|
||||
# Parse nroff output piped through ul -i and append it to the
|
||||
# text widget
|
||||
def parsefile(self, fp):
|
||||
save_cursor = self.text['cursor']
|
||||
self.text['cursor'] = 'watch'
|
||||
self.text.update()
|
||||
ok = 0
|
||||
empty = 0
|
||||
nextline = None
|
||||
while 1:
|
||||
if nextline:
|
||||
line = nextline
|
||||
nextline = None
|
||||
else:
|
||||
line = fp.readline()
|
||||
if not line:
|
||||
break
|
||||
if emptyprog.match(line) >= 0:
|
||||
empty = 1
|
||||
continue
|
||||
nextline = fp.readline()
|
||||
if nextline and ulprog.match(nextline) >= 0:
|
||||
propline = nextline
|
||||
nextline = None
|
||||
else:
|
||||
propline = ''
|
||||
if not ok:
|
||||
ok = 1
|
||||
empty = 0
|
||||
continue
|
||||
if footerprog.match(line) >= 0:
|
||||
ok = 0
|
||||
empty = 0
|
||||
continue
|
||||
if empty:
|
||||
self.insert_prop('\n')
|
||||
empty = 0
|
||||
p = ''
|
||||
j = 0
|
||||
for i in range(min(len(propline), len(line))):
|
||||
if propline[i] != p:
|
||||
if j < i:
|
||||
self.insert_prop(line[j:i], p)
|
||||
j = i
|
||||
p = propline[i]
|
||||
self.insert_prop(line[j:])
|
||||
self.text['cursor'] = save_cursor
|
||||
|
||||
def insert_prop(self, str, prop = ' '):
|
||||
here = self.text.index(AtInsert())
|
||||
self.text.insert(AtInsert(), str)
|
||||
for tag in self.tagmap.values():
|
||||
self.text.tag_remove(tag, here, AtInsert())
|
||||
if self.tagmap.has_key(prop):
|
||||
self.text.tag_add(self.tagmap[prop], here, AtInsert())
|
||||
|
||||
# Readonly Man Page class -- disables editing, otherwise the same
|
||||
class ReadonlyManPage(EditableManPage):
|
||||
|
||||
def __init__(self, master=None, cnf={}):
|
||||
# Initialize base class
|
||||
EditableManPage.__init__(self, master, cnf)
|
||||
|
||||
# Make the text readonly
|
||||
self.text.bind('<Any-KeyPress>', self.modify_cb)
|
||||
self.text.bind('<Return>', self.modify_cb)
|
||||
self.text.bind('<BackSpace>', self.modify_cb)
|
||||
self.text.bind('<Delete>', self.modify_cb)
|
||||
self.text.bind('<Control-h>', self.modify_cb)
|
||||
self.text.bind('<Control-d>', self.modify_cb)
|
||||
self.text.bind('<Control-v>', self.modify_cb)
|
||||
|
||||
def modify_cb(self, e):
|
||||
pass
|
||||
|
||||
# Alias
|
||||
ManPage = ReadonlyManPage
|
||||
|
||||
# Test program.
|
||||
# usage: ManPage [manpage]; or ManPage [-f] file
|
||||
# -f means that the file is nroff -man output run through ul -i
|
||||
def test():
|
||||
import os
|
||||
import sys
|
||||
# XXX This directory may be different on your system
|
||||
MANDIR = '/usr/local/man/mann'
|
||||
DEFAULTPAGE = 'Tcl'
|
||||
formatted = 0
|
||||
if sys.argv[1:] and sys.argv[1] == '-f':
|
||||
formatted = 1
|
||||
del sys.argv[1]
|
||||
if sys.argv[1:]:
|
||||
name = sys.argv[1]
|
||||
else:
|
||||
name = DEFAULTPAGE
|
||||
if not formatted:
|
||||
if name[-2:-1] != '.':
|
||||
name = name + '.n'
|
||||
name = os.path.join(MANDIR, name)
|
||||
root = Tk()
|
||||
root.minsize(1, 1)
|
||||
manpage = ManPage(root, {'relief': 'sunken', 'bd': 2,
|
||||
Pack: {'expand': 1, 'fill': 'both'}})
|
||||
if formatted:
|
||||
fp = open(name, 'r')
|
||||
else:
|
||||
fp = os.popen('nroff -man %s | ul -i' % name, 'r')
|
||||
manpage.parsefile(fp)
|
||||
root.mainloop()
|
||||
|
||||
# Run the test program when called as a script
|
||||
if __name__ == '__main__':
|
||||
test()
|
||||
183
Demo/tkinter/guido/tkman.py
Executable file
183
Demo/tkinter/guido/tkman.py
Executable file
|
|
@ -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()
|
||||
Loading…
Add table
Add a link
Reference in a new issue