| Commit message (Collapse) | Author | Age | Files | Lines |
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EditorWindow.py:
+ Added get_tabwidth & set_tabwidth "virtual text" methods, that get/set the
widget's view of what a tab means.
+ Moved TK_TABWIDTH_DEFAULT here from AutoIndent.
+ Renamed Mark's get_selection_index to get_selection_indices (sorry, Mark,
but the name was plain wrong <wink>).
FormatParagraph.py: renamed use of get_selection_index.
AutoIndent.py:
+ Moved TK_TABWIDTH_DEFAULT to EditorWindow.
+ Rewrote set_indentation_params to use new VTW get/set_tabwidth methods.
+ Changed smart_backspace_event to delete whitespace back to closest
preceding virtual tab stop or real character (note that this may require
inserting characters if backspacing over a tab!).
+ Nuked almost references to the selection tag, in favor of using
get_selection_indices. The sole exception is in set_region, for which no
"set_selection" abstraction has yet been agreed upon.
+ Had too much fun using the spiffy new features of the format-paragraph
cmd.
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list of lines returned by get_region() contains an empty line at the
end representing the start of the next line, and this shouldn't be
commented out!
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+ Set usetabs=1. Editing pyclbr.py was driving me nuts <0.6 wink>.
usetabs=1 is the Emacs pymode default too, and thanks to indentwidth !=
tabwidth magical usetabs disabling, new files are still created with tabs
turned off. The only implication is that if you open a file whose first
indent is a single tab, IDLE will now magically use tabs for that file (and
set indentwidth to 8). Note that the whole scheme doesn't work right for
PythonWin, though, since Windows users typically set tabwidth to 4; Mark
probably has to hide the IDLE algorithm from them (which he already knows).
+ Changed comment_region_event to stick "##" in front of every line. The
"holes" previously left on blank lines were visually confusing (made it
needlessly hard to figure out what to uncomment later).
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IDLE is now the first Python editor in the Universe not confused by my
doctest.py <wink>.
As threatened, this defines IDLE's is_char_in_string function as a
method of EditorWindow. You just need to define one similarly in
whatever it is you pass as editwin to AutoIndent; looking at the
EditorWindow.py part of the patch should make this clear.
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well: make three dialog routines instance variables.
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Unix bindings for <<toggle-tabs>> and <<change-indentwidth>> were
missing, and somehow that meant the events were never generated,
even though they were in the menu. The new Unix bindings are now
the same as the Windows bindings (M-t and M-u).
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The new version (attached) is fast enough all the time in every real module
I have <whew!>. You can make it slow by, e.g., creating an open list with
5,000 90-character identifiers (+ trailing comma) each on its own line, then
adding an item to the end -- but that still consumes less than a second on
my P5-166. Response time in real code appears instantaneous.
Fixed some bugs.
New feature: when hitting ENTER and the cursor is beyond the line's leading
indentation, whitespace is removed on both sides of the cursor; before
whitespace was removed only on the left; e.g., assuming the cursor is
between the comma and the space:
def something(arg1, arg2):
^ cursor to the left of here, and hit ENTER
arg2): # new line used to end up here
arg2): # but now lines up the way you expect
New hack: AutoIndent has grown a context_use_ps1 Boolean config option,
defaulting to 0 (false) and set to 1 (only) by PyShell. Reason: handling
the fancy stuff requires looking backward for a parsing synch point; ps1
lines are the only sensible thing to look for in a shell window, but are a
bad thing to look for in a file window (ps1 lines show up in my module
docstrings often). PythonWin's shell should set this true too.
Persistent problem: strings containing def/class can still screw things up
completely. No improvement. Simplest workaround is on the user's head, and
consists of inserting e.g.
def _(): pass
(or any other def/class) after the end of the multiline string that's
screwing them up. This is especially irksome because IDLE's syntax coloring
is *not* confused, so when this happens the colors don't match the
indentation behavior they see.
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[Tim, after adding some bracket smarts to AutoIndent.py]
> ...
> What it can't possibly do without reparsing large gobs of text is
> suggest a reasonable indent level after you've *closed* a bracket
> left open on some previous line.
> ...
The attached can, and actually fast enough to use -- most of the time. The
code is tricky beyond belief to achieve that, but it works so far; e.g.,
return len(string.expandtabs(str[self.stmt_start :
^ indents to caret
i],
^ indents to caret
self.tabwidth)) + 1
^ indents to caret
It's about as smart as pymode now, wrt both bracket and backslash
continuation rules. It does require reparsing large gobs of text, and if it
happens to find something that looks like a "def" or "class" or sys.ps1
buried in a multiline string, but didn't suck up enough preceding text to
see the start of the string, it's completely hosed. I can't repair that --
it's just too slow to reparse from the start of the file all the time.
AutoIndent has grown a new num_context_lines tuple attribute that controls
how far to look back, and-- like other params --this could/should be made
user-overridable at startup and per-file on the fly.
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Removed "New tabwidth" menu binding.
Added "a tab means how many spaces?" dialog to block tabify and untabify. I
think prompting for this is good now: they're usually at-most-once-per-file
commands, and IDLE can't let them change tabwidth from the Tk default
anymore, so IDLE can no longer presume to have any idea what a tab means.
Irony: for the purpose of keeping comments aligned via tabs, Tk's
non-default approach is much nicer than the Emacs/Notepad/Codewright/vi/etc
approach.
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by Tim Peters.
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I'm still unsure, but couldn't stand the virtual event trickery so tried a
different sin (adding undo_block_start/stop methods to the Text instance in
EditorWindow.py). Like it or not, it's efficient and works <wink>. Better
idea?
Give the attached a whirl. Even if you hate the implementation, I think
you'll like the results. Think I caught all the "block edit" cmds,
including Format Paragraph, plus subtler ones involving smart indents and
backspacing.
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o Makes the tab key intelligently insert spaces when appropriate (see Help
list banter twixt David Ascher and me; idea stolen from every other editor
on earth <wink>).
o newline_and_indent_event trims trailing whitespace on the old line (pymode
and Codewright).
o newline_and_indent_event no longer fooled by trailing whitespace or
comment after ":" (pymode, PTUI).
o newline_and_indent_event now reduces the new line's indentation after
return, break, continue, raise and pass stmts (pymode).
The last two are easy to fool in the presence of strings & continuations,
but pymode requires Emacs's high-powered C parsing functions to avoid that
in finite time.
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Much has changed -- too much, in fact, to write down.
The big news is that there's a standard way to write IDLE extensions;
see extend.txt. Some sample extensions have been provided, and
some existing code has been converted to extensions. Probably the
biggest new user feature is a new search dialog with more options,
search and replace, and even search in files (grep).
This is exactly as downloaded from my laptop after returning
from the holidays -- it hasn't even been tested on Unix yet.
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Features: text editor with syntax coloring and undo;
subclassed into interactive Python shell which adds history.
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