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bpo-33610: Edit idlelib.codecontext (GH-23773) 

Add sentence to module docstring and import tkinter items.
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Terry Jan Reedy 2020-12-15 00:24:01 -05:00 committed by GitHub
parent c117426bf8
commit 6f79e60b66
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1 changed files with 8 additions and 5 deletions
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13
Lib/idlelib/codecontext.py
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@ -7,11 +7,14 @@ the lines which contain the block opening keywords, e.g. 'if', for the
enclosing block. The number of hint lines is determined by the maxlines enclosing block. The number of hint lines is determined by the maxlines
variable in the codecontext section of config-extensions.def. Lines which do variable in the codecontext section of config-extensions.def. Lines which do
not open blocks are not shown in the context hints pane. not open blocks are not shown in the context hints pane.
For EditorWindows, <<toggle-code-context>> is bound to CodeContext(self).
toggle_code_context_event.
""" """
import re import re
from sys import maxsize as INFINITY from sys import maxsize as INFINITY
import tkinter from tkinter import Frame, Text, TclError
from tkinter.constants import NSEW, SUNKEN from tkinter.constants import NSEW, SUNKEN
from idlelib.config import idleConf from idlelib.config import idleConf
@ -83,7 +86,7 @@ class CodeContext:
if self.t1 is not None: if self.t1 is not None:
try: try:
self.text.after_cancel(self.t1) self.text.after_cancel(self.t1)
except tkinter.TclError: # pragma: no cover except TclError: # pragma: no cover
pass pass
self.t1 = None self.t1 = None
@ -111,7 +114,7 @@ class CodeContext:
padx += widget.tk.getint(info['padx']) padx += widget.tk.getint(info['padx'])
padx += widget.tk.getint(widget.cget('padx')) padx += widget.tk.getint(widget.cget('padx'))
border += widget.tk.getint(widget.cget('border')) border += widget.tk.getint(widget.cget('border'))
context = self.context = tkinter.Text( context = self.context = Text(
self.editwin.text_frame, self.editwin.text_frame,
height=1, height=1,
width=1, # Don't request more than we get. width=1, # Don't request more than we get.
@ -127,7 +130,7 @@ class CodeContext:
line_number_colors = idleConf.GetHighlight(idleConf.CurrentTheme(), line_number_colors = idleConf.GetHighlight(idleConf.CurrentTheme(),
'linenumber') 'linenumber')
self.cell00 = tkinter.Frame(self.editwin.text_frame, self.cell00 = Frame(self.editwin.text_frame,
bg=line_number_colors['background']) bg=line_number_colors['background'])
self.cell00.grid(row=0, column=0, sticky=NSEW) self.cell00.grid(row=0, column=0, sticky=NSEW)
menu_status = 'Hide' menu_status = 'Hide'
@ -221,7 +224,7 @@ class CodeContext:
""" """
try: try:
self.context.index("sel.first") self.context.index("sel.first")
except tkinter.TclError: except TclError:
lines = len(self.info) lines = len(self.info)
if lines == 1: # No context lines are showing. if lines == 1: # No context lines are showing.
newtop = 1 newtop = 1