Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Revision a13c60b81029eb37ca1d8fbac00f63ca717e4fd3 authored by Vinay Sajip on 03 July 2004, 11:45:53 UTC, committed by Vinay Sajip on 03 July 2004, 11:45:53 UTC
1 parent d9c0a7a
Tip revision: a13c60b81029eb37ca1d8fbac00f63ca717e4fd3 authored by Vinay Sajip on 03 July 2004, 11:45:53 UTC
Moved example section up to just after the section on Logger objects, and changed it to use the new basicConfig() API
Moved example section up to just after the section on Logger objects, and changed it to use the new basicConfig() API
Tip revision: a13c60b
ColorDelegator.py
import time
import re
import keyword
import __builtin__
from Tkinter import *
from Delegator import Delegator
from configHandler import idleConf
DEBUG = False
def any(name, list):
return "(?P<%s>" % name + "|".join(list) + ")"
def make_pat():
kw = r"\b" + any("KEYWORD", keyword.kwlist) + r"\b"
builtinlist = [str(name) for name in dir(__builtin__)
if not name.startswith('_')]
# self.file = file("file") :
# 1st 'file' colorized normal, 2nd as builtin, 3rd as comment
builtin = r"([^.'\"\\]\b|^)" + any("BUILTIN", builtinlist) + r"\b"
comment = any("COMMENT", [r"#[^\n]*"])
sqstring = r"(\b[rR])?'[^'\\\n]*(\\.[^'\\\n]*)*'?"
dqstring = r'(\b[rR])?"[^"\\\n]*(\\.[^"\\\n]*)*"?'
sq3string = r"(\b[rR])?'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?"
dq3string = r'(\b[rR])?"""[^"\\]*((\\.|"(?!""))[^"\\]*)*(""")?'
string = any("STRING", [sq3string, dq3string, sqstring, dqstring])
return kw + "|" + builtin + "|" + comment + "|" + string +\
"|" + any("SYNC", [r"\n"])
prog = re.compile(make_pat(), re.S)
idprog = re.compile(r"\s+(\w+)", re.S)
asprog = re.compile(r".*?\b(as)\b", re.S)
class ColorDelegator(Delegator):
def __init__(self):
Delegator.__init__(self)
self.prog = prog
self.idprog = idprog
self.asprog = asprog
self.LoadTagDefs()
def setdelegate(self, delegate):
if self.delegate is not None:
self.unbind("<<toggle-auto-coloring>>")
Delegator.setdelegate(self, delegate)
if delegate is not None:
self.config_colors()
self.bind("<<toggle-auto-coloring>>", self.toggle_colorize_event)
self.notify_range("1.0", "end")
def config_colors(self):
for tag, cnf in self.tagdefs.items():
if cnf:
self.tag_configure(tag, **cnf)
self.tag_raise('sel')
def LoadTagDefs(self):
theme = idleConf.GetOption('main','Theme','name')
self.tagdefs = {
"COMMENT": idleConf.GetHighlight(theme, "comment"),
"KEYWORD": idleConf.GetHighlight(theme, "keyword"),
"BUILTIN": idleConf.GetHighlight(theme, "builtin"),
"STRING": idleConf.GetHighlight(theme, "string"),
"DEFINITION": idleConf.GetHighlight(theme, "definition"),
"SYNC": {'background':None,'foreground':None},
"TODO": {'background':None,'foreground':None},
"BREAK": idleConf.GetHighlight(theme, "break"),
"ERROR": idleConf.GetHighlight(theme, "error"),
# The following is used by ReplaceDialog:
"hit": idleConf.GetHighlight(theme, "hit"),
}
if DEBUG: print 'tagdefs',self.tagdefs
def insert(self, index, chars, tags=None):
index = self.index(index)
self.delegate.insert(index, chars, tags)
self.notify_range(index, index + "+%dc" % len(chars))
def delete(self, index1, index2=None):
index1 = self.index(index1)
self.delegate.delete(index1, index2)
self.notify_range(index1)
after_id = None
allow_colorizing = True
colorizing = False
def notify_range(self, index1, index2=None):
self.tag_add("TODO", index1, index2)
if self.after_id:
if DEBUG: print "colorizing already scheduled"
return
if self.colorizing:
self.stop_colorizing = True
if DEBUG: print "stop colorizing"
if self.allow_colorizing:
if DEBUG: print "schedule colorizing"
self.after_id = self.after(1, self.recolorize)
close_when_done = None # Window to be closed when done colorizing
def close(self, close_when_done=None):
if self.after_id:
after_id = self.after_id
self.after_id = None
if DEBUG: print "cancel scheduled recolorizer"
self.after_cancel(after_id)
self.allow_colorizing = False
self.stop_colorizing = True
if close_when_done:
if not self.colorizing:
close_when_done.destroy()
else:
self.close_when_done = close_when_done
def toggle_colorize_event(self, event):
if self.after_id:
after_id = self.after_id
self.after_id = None
if DEBUG: print "cancel scheduled recolorizer"
self.after_cancel(after_id)
if self.allow_colorizing and self.colorizing:
if DEBUG: print "stop colorizing"
self.stop_colorizing = True
self.allow_colorizing = not self.allow_colorizing
if self.allow_colorizing and not self.colorizing:
self.after_id = self.after(1, self.recolorize)
if DEBUG:
print "auto colorizing turned",\
self.allow_colorizing and "on" or "off"
return "break"
def recolorize(self):
self.after_id = None
if not self.delegate:
if DEBUG: print "no delegate"
return
if not self.allow_colorizing:
if DEBUG: print "auto colorizing is off"
return
if self.colorizing:
if DEBUG: print "already colorizing"
return
try:
self.stop_colorizing = False
self.colorizing = True
if DEBUG: print "colorizing..."
t0 = time.clock()
self.recolorize_main()
t1 = time.clock()
if DEBUG: print "%.3f seconds" % (t1-t0)
finally:
self.colorizing = False
if self.allow_colorizing and self.tag_nextrange("TODO", "1.0"):
if DEBUG: print "reschedule colorizing"
self.after_id = self.after(1, self.recolorize)
if self.close_when_done:
top = self.close_when_done
self.close_when_done = None
top.destroy()
def recolorize_main(self):
next = "1.0"
while True:
item = self.tag_nextrange("TODO", next)
if not item:
break
head, tail = item
self.tag_remove("SYNC", head, tail)
item = self.tag_prevrange("SYNC", head)
if item:
head = item[1]
else:
head = "1.0"
chars = ""
next = head
lines_to_get = 1
ok = False
while not ok:
mark = next
next = self.index(mark + "+%d lines linestart" %
lines_to_get)
lines_to_get = min(lines_to_get * 2, 100)
ok = "SYNC" in self.tag_names(next + "-1c")
line = self.get(mark, next)
##print head, "get", mark, next, "->", repr(line)
if not line:
return
for tag in self.tagdefs.keys():
self.tag_remove(tag, mark, next)
chars = chars + line
m = self.prog.search(chars)
while m:
for key, value in m.groupdict().items():
if value:
a, b = m.span(key)
self.tag_add(key,
head + "+%dc" % a,
head + "+%dc" % b)
if value in ("def", "class"):
m1 = self.idprog.match(chars, b)
if m1:
a, b = m1.span(1)
self.tag_add("DEFINITION",
head + "+%dc" % a,
head + "+%dc" % b)
elif value == "import":
# color all the "as" words on same line;
# cheap approximation to the truth
while True:
m1 = self.asprog.match(chars, b)
if not m1:
break
a, b = m1.span(1)
self.tag_add("KEYWORD",
head + "+%dc" % a,
head + "+%dc" % b)
m = self.prog.search(chars, m.end())
if "SYNC" in self.tag_names(next + "-1c"):
head = next
chars = ""
else:
ok = False
if not ok:
# We're in an inconsistent state, and the call to
# update may tell us to stop. It may also change
# the correct value for "next" (since this is a
# line.col string, not a true mark). So leave a
# crumb telling the next invocation to resume here
# in case update tells us to leave.
self.tag_add("TODO", next)
self.update()
if self.stop_colorizing:
if DEBUG: print "colorizing stopped"
return
def main():
from Percolator import Percolator
root = Tk()
root.wm_protocol("WM_DELETE_WINDOW", root.quit)
text = Text(background="white")
text.pack(expand=1, fill="both")
text.focus_set()
p = Percolator(text)
d = ColorDelegator()
p.insertfilter(d)
root.mainloop()
if __name__ == "__main__":
main()
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