cpython/Tools/idle/PopupMenu.py

87 lines
2.4 KiB
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import sys
import re
from Tkinter import *
class PopupMenu:
def __init__(self, text, flist):
self.text = text
self.flist = flist
self.text.bind("<3>", self.right_menu_event)
rmenu = None
def right_menu_event(self, event):
if not self.rmenu:
self.make_menu()
rmenu = self.rmenu
self.event = event
iswin = sys.platform[:3] == 'win'
if iswin:
self.text.config(cursor="arrow")
rmenu.tk_popup(event.x_root, event.y_root)
if iswin:
self.text.config(cursor="ibeam")
def make_menu(self):
rmenu = Menu(self.text, tearoff=0)
rmenu.add_command(label="Go to line from traceback",
command=self.goto_traceback_line)
rmenu.add_command(label="Open stack viewer",
command=self.open_stack_viewer)
rmenu.add_command(label="Help", command=self.help)
self.rmenu = rmenu
file_line_pats = [
r'File "([^"]*)", line (\d+)',
r'([^\s]+)\((\d+)\)',
r'([^\s]+):\s*(\d+):',
]
file_line_progs = None
def goto_traceback_line(self):
if self.file_line_progs is None:
l = []
for pat in self.file_line_pats:
l.append(re.compile(pat))
self.file_line_progs = l
x, y = self.event.x, self.event.y
self.text.mark_set("insert", "@%d,%d" % (x, y))
line = self.text.get("insert linestart", "insert lineend")
for prog in self.file_line_progs:
m = prog.search(line)
if m:
break
else:
self.text.bell()
return
filename, lineno = m.group(1, 2)
try:
f = open(filename, "r")
f.close()
except IOError, msg:
self.text.bell()
return
edit = self.flist.open(filename)
try:
lineno = int(lineno)
except ValueError, msg:
self.text.bell()
return
edit.gotoline(lineno)
def open_stack_viewer(self):
try:
sys.last_traceback
except:
print "No stack trace yet"
return
from StackViewer import StackViewer
sv = StackViewer(self.text._root(), self.flist)
def help(self):
from HelpWindow import HelpWindow
HelpWindow()