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Noam Raphel: Further developemt of CodeContext feature.

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The visibility state of the code context pane is now persistent between
sessions and the pane does not appear in the shell window.

M CodeContext.py
M EditorWindow.py
M NEWS.txt
M PyShell.py
M config-extensions.def
M configHandler.py
This commit is contained in:
Kurt B. Kaiser 2004-06-06 01:29:22 +00:00
parent cfa157d808
commit 4d5bc6031c
6 changed files with 86 additions and 48 deletions
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20
Lib/idlelib/CodeContext.py
View file

@ -1,6 +1,6 @@
"""CodeContext - Display the block context of code at top of edit window
Once code has scolled off the top of the screen, it can be difficult
Once code has scrolled off the top of the screen, it can be difficult
to determine which block you are in. This extension implements a pane
at the top of each IDLE edit window which provides block structure
hints. These hints are the lines which contain the block opening
@ -12,12 +12,11 @@ the context hints pane.
"""
import Tkinter
from configHandler import idleConf
from PyShell import PyShell
from sets import Set
import re
BLOCKOPENERS = dict([(x, None) for x in ("class", "def", "elif", "else",
"except", "finally", "for", "if",
"try", "while")])
BLOCKOPENERS = Set(["class", "def", "elif", "else", "except", "finally", "for",
"if", "try", "while"])
INFINITY = 1 << 30
UPDATEINTERVAL = 100 # millisec
FONTUPDATEINTERVAL = 1000 # millisec
@ -33,11 +32,7 @@ class CodeContext:
"bgcolor", type="str", default="LightGray")
fgcolor = idleConf.GetOption("extensions", "CodeContext",
"fgcolor", type="str", default="Black")
default_on = idleConf.GetOption("extensions", "CodeContext",
"default_on", type="int", default=0)
def __init__(self, editwin):
if isinstance(editwin, PyShell):
return
self.editwin = editwin
self.text = editwin.text
self.textfont = self.text["font"]
@ -45,7 +40,9 @@ class CodeContext:
# Dummy line, which starts the "block" of the whole document:
self.info = list(self.interesting_lines(1))
self.lastfirstline = 1
if self.default_on:
visible = idleConf.GetOption("extensions", "CodeContext",
"visible", type="bool", default=False)
if visible:
self.toggle_code_context_event()
self.editwin.setvar('<<toggle-code-context>>', True)
# Start two update cycles, one for context lines, one for font changes.
@ -67,6 +64,9 @@ class CodeContext:
else:
self.label.destroy()
self.label = None
idleConf.SetOption("extensions", "CodeContext", "visible",
str(self.label is not None))
idleConf.SaveUserCfgFiles()
def get_line_info(self, linenum):
"""Get the line indent value, text, and any block start keyword