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bpo-30870: IDLE: Change sample font when select by key-up/down

This commit is contained in:
Louie Lu 2017-07-07 15:51:58 +08:00
parent 25a4206c24
commit 62f063ad09
1 changed files with 9 additions and 3 deletions
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12
Lib/idlelib/configdialog.py
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@ -14,7 +14,7 @@ from tkinter import (Toplevel, Frame, LabelFrame, Listbox, Label, Button,
StringVar, BooleanVar, IntVar, TRUE, FALSE,
TOP, BOTTOM, RIGHT, LEFT, SOLID, GROOVE, NORMAL, DISABLED,
NONE, BOTH, X, Y, W, E, EW, NS, NSEW, NW,
HORIZONTAL, VERTICAL, ANCHOR, END)
HORIZONTAL, VERTICAL, ANCHOR, ACTIVE, END)
from tkinter.ttk import Scrollbar
import tkinter.colorchooser as tkColorChooser
import tkinter.font as tkFont
@ -157,8 +157,9 @@ class ConfigDialog(Toplevel):
frame_font_name, justify=LEFT, text='Font Face :')
self.list_fonts = Listbox(
frame_font_name, height=5, takefocus=FALSE, exportselection=FALSE)
self.list_fonts.bind(
'<ButtonRelease-1>', self.on_list_fonts_button_release)
self.list_fonts.bind('<ButtonRelease-1>', self.on_list_fonts_button_release)
self.list_fonts.bind('<KeyRelease-Up>', self.on_list_fonts_key_release)
self.list_fonts.bind('<KeyRelease-Down>', self.on_list_fonts_key_release)
scroll_font = Scrollbar(frame_font_name)
scroll_font.config(command=self.list_fonts.yview)
self.list_fonts.config(yscrollcommand=scroll_font.set)
@ -1033,6 +1034,11 @@ class ConfigDialog(Toplevel):
self.font_name.set(font.lower())
self.set_font_sample()
def on_list_fonts_key_release(self, event):
font = self.list_fonts.get(ACTIVE)
self.font_name.set(font.lower())
self.set_font_sample()
def set_font_sample(self, event=None):
"Update the screen samples with the font settings from the dialog."
font_name = self.font_name.get()