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bpo-17535: IDLE editor line numbers (GH-14030)

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Tal Einat 2019-07-23 15:22:11 +03:00 • committed by GitHub
parent 1ebee37dde
commit 7123ea009b
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18 changed files with 891 additions and 80 deletions
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35
Lib/idlelib/codecontext.py
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@ -13,7 +13,7 @@
from sys import maxsize as INFINITY
import tkinter
from tkinter.constants import TOP, X, SUNKEN
from tkinter.constants import NSEW, SUNKEN
from idlelib.config import idleConf
@ -67,6 +67,7 @@ def __init__(self, editwin):
def _reset(self):
self.context = None
self.cell00 = None
self.t1 = None
self.topvisible = 1
self.info = [(0, -1, "", False)]
@ -105,25 +106,37 @@ def toggle_code_context_event(self, event=None):
padx = 0
border = 0
for widget in widgets:
padx += widget.tk.getint(widget.pack_info()['padx'])
info = (widget.grid_info()
if widget is self.editwin.text
else widget.pack_info())
padx += widget.tk.getint(info['padx'])
padx += widget.tk.getint(widget.cget('padx'))
border += widget.tk.getint(widget.cget('border'))
self.context = tkinter.Text(
self.editwin.top, font=self.text['font'],
self.editwin.text_frame,
height=1,
width=1, # Don't request more than we get.
highlightthickness=0,
padx=padx, border=border, relief=SUNKEN, state='disabled')
self.update_font()
self.update_highlight_colors()
self.context.bind('<ButtonRelease-1>', self.jumptoline)
# Get the current context and initiate the recurring update event.
self.timer_event()
# Pack the context widget before and above the text_frame widget,
# thus ensuring that it will appear directly above text_frame.
self.context.pack(side=TOP, fill=X, expand=False,
before=self.editwin.text_frame)
# Grid the context widget above the text widget.
self.context.grid(row=0, column=1, sticky=NSEW)
line_number_colors = idleConf.GetHighlight(idleConf.CurrentTheme(),
'linenumber')
self.cell00 = tkinter.Frame(self.editwin.text_frame,
bg=line_number_colors['background'])
self.cell00.grid(row=0, column=0, sticky=NSEW)
menu_status = 'Hide'
else:
self.context.destroy()
self.context = None
self.cell00.destroy()
self.cell00 = None
self.text.after_cancel(self.t1)
self._reset()
menu_status = 'Show'
@ -221,8 +234,9 @@ def timer_event(self):
self.update_code_context()
self.t1 = self.text.after(self.UPDATEINTERVAL, self.timer_event)
def update_font(self, font):
def update_font(self):
if self.context is not None:
font = idleConf.GetFont(self.text, 'main', 'EditorWindow')
self.context['font'] = font
def update_highlight_colors(self):
@ -231,6 +245,11 @@ def update_highlight_colors(self):
self.context['background'] = colors['background']
self.context['foreground'] = colors['foreground']
if self.cell00 is not None:
line_number_colors = idleConf.GetHighlight(idleConf.CurrentTheme(),
'linenumber')
self.cell00.config(bg=line_number_colors['background'])
CodeContext.reload()