mirror of
https://github.com/python/cpython.git
synced 2025-10-30 21:21:22 +00:00
280 lines
8.8 KiB
Python
280 lines
8.8 KiB
Python
|
# changes by dscherer@cmu.edu
|
||
|
|
# - OutputWindow and OnDemandOutputWindow have been hastily
|
||
|
|
# extended to provide readline() support, an "iomark" separate
|
||
|
|
# from the "insert" cursor, and scrolling to clear the window.
|
||
|
|
# These changes are used by the ExecBinding module to provide
|
||
|
|
# standard input and output for user programs. Many of the new
|
||
|
|
# features are very similar to features of PyShell, which is a
|
||
|
|
# subclass of OutputWindow. Someone should make some sense of
|
||
|
|
# this.
|
||
|
|
|
||
|
|
from Tkinter import *
|
||
|
|
from EditorWindow import EditorWindow
|
||
|
|
import re
|
||
|
|
import tkMessageBox
|
||
|
|
|
||
|
|
from UndoDelegator import UndoDelegator
|
||
|
|
|
||
|
|
class OutputUndoDelegator(UndoDelegator):
|
||
|
|
reading = 0
|
||
|
|
# Forbid insert/delete before the I/O mark, in the blank lines after
|
||
|
|
# the output, or *anywhere* if we are not presently doing user input
|
||
|
|
def insert(self, index, chars, tags=None):
|
||
|
|
try:
|
||
|
|
if (self.delegate.compare(index, "<", "iomark") or
|
||
|
|
self.delegate.compare(index, ">", "endmark") or
|
||
|
|
(index!="iomark" and not self.reading)):
|
||
|
|
self.delegate.bell()
|
||
|
|
return
|
||
|
|
except TclError:
|
||
|
|
pass
|
||
|
|
UndoDelegator.insert(self, index, chars, tags)
|
||
|
|
def delete(self, index1, index2=None):
|
||
|
|
try:
|
||
|
|
if (self.delegate.compare(index1, "<", "iomark") or
|
||
|
|
self.delegate.compare(index1, ">", "endmark") or
|
||
|
|
(index2 and self.delegate.compare(index2, ">=", "endmark")) or
|
||
|
|
not self.reading):
|
||
|
|
self.delegate.bell()
|
||
|
|
return
|
||
|
|
except TclError:
|
||
|
|
pass
|
||
|
|
UndoDelegator.delete(self, index1, index2)
|
||
|
|
|
||
|
|
class OutputWindow(EditorWindow):
|
||
|
|
"""An editor window that can serve as an input and output file.
|
||
|
|
The input support has been rather hastily hacked in, and should
|
||
|
|
not be trusted.
|
||
|
|
"""
|
||
|
|
|
||
|
|
UndoDelegator = OutputUndoDelegator
|
||
|
|
source_window = None
|
||
|
|
|
||
|
|
def __init__(self, *args, **keywords):
|
||
|
|
if keywords.has_key('source_window'):
|
||
|
|
self.source_window = keywords['source_window']
|
||
|
|
apply(EditorWindow.__init__, (self,) + args)
|
||
|
|
self.text.bind("<<goto-file-line>>", self.goto_file_line)
|
||
|
|
self.text.bind("<<newline-and-indent>>", self.enter_callback)
|
||
|
|
self.text.mark_set("iomark","1.0")
|
||
|
|
self.text.mark_gravity("iomark", LEFT)
|
||
|
|
self.text.mark_set("endmark","1.0")
|
||
|
|
|
||
|
|
# Customize EditorWindow
|
||
|
|
|
||
|
|
def ispythonsource(self, filename):
|
||
|
|
# No colorization needed
|
||
|
|
return 0
|
||
|
|
|
||
|
|
def short_title(self):
|
||
|
|
return "Output"
|
||
|
|
|
||
|
|
def long_title(self):
|
||
|
|
return ""
|
||
|
|
|
||
|
|
def maybesave(self):
|
||
|
|
# Override base class method -- don't ask any questions
|
||
|
|
if self.get_saved():
|
||
|
|
return "yes"
|
||
|
|
else:
|
||
|
|
return "no"
|
||
|
|
|
||
|
|
# Act as input file - incomplete
|
||
|
|
|
||
|
|
def set_line_and_column(self, event=None):
|
||
|
|
index = self.text.index(INSERT)
|
||
|
|
if (self.text.compare(index, ">", "endmark")):
|
||
|
|
self.text.mark_set("insert", "endmark")
|
||
|
|
self.text.see("insert")
|
||
|
|
EditorWindow.set_line_and_column(self)
|
||
|
|
|
||
|
|
reading = 0
|
||
|
|
canceled = 0
|
||
|
|
endoffile = 0
|
||
|
|
|
||
|
|
def readline(self):
|
||
|
|
save = self.reading
|
||
|
|
try:
|
||
|
|
self.reading = self.undo.reading = 1
|
||
|
|
self.text.mark_set("insert", "iomark")
|
||
|
|
self.text.see("insert")
|
||
|
|
self.top.mainloop()
|
||
|
|
finally:
|
||
|
|
self.reading = self.undo.reading = save
|
||
|
|
line = self.text.get("input", "iomark")
|
||
|
|
if self.canceled:
|
||
|
|
self.canceled = 0
|
||
|
|
raise KeyboardInterrupt
|
||
|
|
if self.endoffile:
|
||
|
|
self.endoffile = 0
|
||
|
|
return ""
|
||
|
|
return line or '\n'
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
self.interrupt()
|
||
|
|
return EditorWindow.close(self)
|
||
|
|
|
||
|
|
def interrupt(self):
|
||
|
|
if self.reading:
|
||
|
|
self.endoffile = 1
|
||
|
|
self.top.quit()
|
||
|
|
|
||
|
|
def enter_callback(self, event):
|
||
|
|
if self.reading and self.text.compare("insert", ">=", "iomark"):
|
||
|
|
self.text.mark_set("input", "iomark")
|
||
|
|
self.text.mark_set("iomark", "insert")
|
||
|
|
self.write('\n',"iomark")
|
||
|
|
self.text.tag_add("stdin", "input", "iomark")
|
||
|
|
self.text.update_idletasks()
|
||
|
|
self.top.quit() # Break out of recursive mainloop() in raw_input()
|
||
|
|
|
||
|
|
return "break"
|
||
|
|
|
||
|
|
# Act as output file
|
||
|
|
|
||
|
|
def write(self, s, tags=(), mark="iomark"):
|
||
|
|
self.text.mark_gravity(mark, RIGHT)
|
||
|
|
self.text.insert(mark, str(s), tags)
|
||
|
|
self.text.mark_gravity(mark, LEFT)
|
||
|
|
self.text.see(mark)
|
||
|
|
self.text.update()
|
||
|
|
|
||
|
|
def writelines(self, l):
|
||
|
|
map(self.write, l)
|
||
|
|
|
||
|
|
def flush(self):
|
||
|
|
pass
|
||
|
|
|
||
|
|
# Our own right-button menu
|
||
|
|
|
||
|
|
rmenu_specs = [
|
||
|
|
("Go to file/line", "<<goto-file-line>>"),
|
||
|
|
]
|
||
|
|
|
||
|
|
file_line_pats = [
|
||
|
|
r'file "([^"]*)", line (\d+)',
|
||
|
|
r'([^\s]+)\((\d+)\)',
|
||
|
|
r'([^\s]+):\s*(\d+):',
|
||
|
|
]
|
||
|
|
|
||
|
|
file_line_progs = None
|
||
|
|
|
||
|
|
def goto_file_line(self, event=None):
|
||
|
|
if self.file_line_progs is None:
|
||
|
|
l = []
|
||
|
|
for pat in self.file_line_pats:
|
||
|
|
l.append(re.compile(pat, re.IGNORECASE))
|
||
|
|
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")
|
||
|
|
result = self._file_line_helper(line)
|
||
|
|
if not result:
|
||
|
|
# Try the previous line. This is handy e.g. in tracebacks,
|
||
|
|
# where you tend to right-click on the displayed source line
|
||
|
|
line = self.text.get("insert -1line linestart",
|
||
|
|
"insert -1line lineend")
|
||
|
|
result = self._file_line_helper(line)
|
||
|
|
if not result:
|
||
|
|
tkMessageBox.showerror(
|
||
|
|
"No special line",
|
||
|
|
"The line you point at doesn't look like "
|
||
|
|
"a valid file name followed by a line number.",
|
||
|
|
master=self.text)
|
||
|
|
return
|
||
|
|
filename, lineno = result
|
||
|
|
edit = self.untitled(filename) or self.flist.open(filename)
|
||
|
|
edit.gotoline(lineno)
|
||
|
|
edit.wakeup()
|
||
|
|
|
||
|
|
def untitled(self, filename):
|
||
|
|
if filename!='Untitled' or not self.source_window or self.source_window.io.filename:
|
||
|
|
return None
|
||
|
|
return self.source_window
|
||
|
|
|
||
|
|
def _file_line_helper(self, line):
|
||
|
|
for prog in self.file_line_progs:
|
||
|
|
m = prog.search(line)
|
||
|
|
if m:
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
return None
|
||
|
|
filename, lineno = m.group(1, 2)
|
||
|
|
if not self.untitled(filename):
|
||
|
|
try:
|
||
|
|
f = open(filename, "r")
|
||
|
|
f.close()
|
||
|
|
except IOError:
|
||
|
|
return None
|
||
|
|
try:
|
||
|
|
return filename, int(lineno)
|
||
|
|
except TypeError:
|
||
|
|
return None
|
||
|
|
|
||
|
|
# This classes now used by ExecBinding.py:
|
||
|
|
|
||
|
|
class OnDemandOutputWindow:
|
||
|
|
source_window = None
|
||
|
|
|
||
|
|
tagdefs = {
|
||
|
|
# XXX Should use IdlePrefs.ColorPrefs
|
||
|
|
"stdin": {"foreground": "black"},
|
||
|
|
"stdout": {"foreground": "blue"},
|
||
|
|
"stderr": {"foreground": "red"},
|
||
|
|
}
|
||
|
|
|
||
|
|
def __init__(self, flist):
|
||
|
|
self.flist = flist
|
||
|
|
self.owin = None
|
||
|
|
self.title = "Output"
|
||
|
|
self.close_hook = None
|
||
|
|
self.old_close = None
|
||
|
|
|
||
|
|
def owclose(self):
|
||
|
|
if self.close_hook:
|
||
|
|
self.close_hook()
|
||
|
|
if self.old_close:
|
||
|
|
self.old_close()
|
||
|
|
|
||
|
|
def set_title(self, title):
|
||
|
|
self.title = title
|
||
|
|
if self.owin and self.owin.text:
|
||
|
|
self.owin.saved_change_hook()
|
||
|
|
|
||
|
|
def write(self, s, tags=(), mark="iomark"):
|
||
|
|
if not self.owin or not self.owin.text:
|
||
|
|
self.setup()
|
||
|
|
self.owin.write(s, tags, mark)
|
||
|
|
|
||
|
|
def readline(self):
|
||
|
|
if not self.owin or not self.owin.text:
|
||
|
|
self.setup()
|
||
|
|
return self.owin.readline()
|
||
|
|
|
||
|
|
def scroll_clear(self):
|
||
|
|
if self.owin and self.owin.text:
|
||
|
|
lineno = self.owin.getlineno("endmark")
|
||
|
|
self.owin.text.mark_set("insert","endmark")
|
||
|
|
self.owin.text.yview(float(lineno))
|
||
|
|
self.owin.wakeup()
|
||
|
|
|
||
|
|
def setup(self):
|
||
|
|
self.owin = owin = OutputWindow(self.flist, source_window = self.source_window)
|
||
|
|
owin.short_title = lambda self=self: self.title
|
||
|
|
text = owin.text
|
||
|
|
|
||
|
|
self.old_close = owin.close_hook
|
||
|
|
owin.close_hook = self.owclose
|
||
|
|
|
||
|
|
# xxx Bad hack: 50 blank lines at the bottom so that
|
||
|
|
# we can scroll the top of the window to the output
|
||
|
|
# cursor in scroll_clear(). There must be a better way...
|
||
|
|
owin.text.mark_gravity('endmark', LEFT)
|
||
|
|
owin.text.insert('iomark', '\n'*50)
|
||
|
|
owin.text.mark_gravity('endmark', RIGHT)
|
||
|
|
|
||
|
|
for tag, cnf in self.tagdefs.items():
|
||
|
|
if cnf:
|
||
|
|
apply(text.tag_configure, (tag,), cnf)
|
||
|
|
text.tag_raise('sel')
|