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Copy pathconfigdialog.py
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2358 lines (2093 loc) · 101 KB
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"""IDLE Configuration Dialog: support user customization of IDLE by GUI
Customize font faces, sizes, and colorization attributes. Set indentation
defaults. Customize keybindings. Colorization and keybindings can be
saved as user defined sets. Select startup options including shell/editor
and default window size. Define additional help sources.
Note that tab width in IDLE is currently fixed at eight due to Tk issues.
Refer to comments in EditorWindow autoindent code for details.
"""
import re
from tkinter import (Toplevel, Listbox, Text, Scale, Canvas,
StringVar, BooleanVar, IntVar, TRUE, FALSE,
TOP, BOTTOM, RIGHT, LEFT, SOLID, GROOVE,
NONE, BOTH, X, Y, W, E, EW, NS, NSEW, NW,
HORIZONTAL, VERTICAL, ANCHOR, ACTIVE, END)
from tkinter.ttk import (Frame, LabelFrame, Button, Checkbutton, Entry, Label,
OptionMenu, Notebook, Radiobutton, Scrollbar, Style)
import tkinter.colorchooser as tkColorChooser
import tkinter.font as tkFont
from tkinter import messagebox
from idlelib.config import idleConf, ConfigChanges
from idlelib.config_key import GetKeysDialog
from idlelib.dynoption import DynOptionMenu
from idlelib import macosx
from idlelib.query import SectionName, HelpSource
from idlelib.textview import view_text
from idlelib.autocomplete import AutoComplete
from idlelib.codecontext import CodeContext
from idlelib.parenmatch import ParenMatch
from idlelib.format import FormatParagraph
from idlelib.squeezer import Squeezer
changes = ConfigChanges()
# Reload changed options in the following classes.
reloadables = (AutoComplete, CodeContext, ParenMatch, FormatParagraph,
Squeezer)
class ConfigDialog(Toplevel):
"""Config dialog for IDLE.
"""
def __init__(self, parent, title='', *, _htest=False, _utest=False):
"""Show the tabbed dialog for user configuration.
Args:
parent - parent of this dialog
title - string which is the title of this popup dialog
_htest - bool, change box location when running htest
_utest - bool, don't wait_window when running unittest
Note: Focus set on font page fontlist.
Methods:
create_widgets
cancel: Bound to DELETE_WINDOW protocol.
"""
Toplevel.__init__(self, parent)
self.parent = parent
if _htest:
parent.instance_dict = {}
if not _utest:
self.withdraw()
self.configure(borderwidth=5)
self.title(title or 'IDLE Preferences')
x = parent.winfo_rootx() + 20
y = parent.winfo_rooty() + (30 if not _htest else 150)
self.geometry(f'+{x}+{y}')
# Each theme element key is its display name.
# The first value of the tuple is the sample area tag name.
# The second value is the display name list sort index.
self.create_widgets()
self.resizable(height=FALSE, width=FALSE)
self.transient(parent)
self.protocol("WM_DELETE_WINDOW", self.cancel)
self.fontpage.fontlist.focus_set()
# XXX Decide whether to keep or delete these key bindings.
# Key bindings for this dialog.
# self.bind('<Escape>', self.Cancel) #dismiss dialog, no save
# self.bind('<Alt-a>', self.Apply) #apply changes, save
# self.bind('<F1>', self.Help) #context help
# Attach callbacks after loading config to avoid calling them.
tracers.attach()
if not _utest:
self.grab_set()
self.wm_deiconify()
self.wait_window()
def create_widgets(self):
"""Create and place widgets for tabbed dialog.
Widgets Bound to self:
note: Notebook
highpage: HighPage
fontpage: FontPage
keyspage: KeysPage
genpage: GenPage
extpage: self.create_page_extensions
Methods:
create_action_buttons
load_configs: Load pages except for extensions.
activate_config_changes: Tell editors to reload.
"""
self.note = note = Notebook(self)
self.highpage = HighPage(note)
self.fontpage = FontPage(note, self.highpage)
self.keyspage = KeysPage(note)
self.genpage = GenPage(note)
self.extpage = self.create_page_extensions()
note.add(self.fontpage, text='Fonts/Tabs')
note.add(self.highpage, text='Highlights')
note.add(self.keyspage, text=' Keys ')
note.add(self.genpage, text=' General ')
note.add(self.extpage, text='Extensions')
note.enable_traversal()
note.pack(side=TOP, expand=TRUE, fill=BOTH)
self.create_action_buttons().pack(side=BOTTOM)
def create_action_buttons(self):
"""Return frame of action buttons for dialog.
Methods:
ok
apply
cancel
help
Widget Structure:
outer: Frame
buttons: Frame
(no assignment): Button (ok)
(no assignment): Button (apply)
(no assignment): Button (cancel)
(no assignment): Button (help)
(no assignment): Frame
"""
if macosx.isAquaTk():
# Changing the default padding on OSX results in unreadable
# text in the buttons.
padding_args = {}
else:
padding_args = {'padding': (6, 3)}
outer = Frame(self, padding=2)
buttons = Frame(outer, padding=2)
for txt, cmd in (
('Ok', self.ok),
('Apply', self.apply),
('Cancel', self.cancel),
('Help', self.help)):
Button(buttons, text=txt, command=cmd, takefocus=FALSE,
**padding_args).pack(side=LEFT, padx=5)
# Add space above buttons.
Frame(outer, height=2, borderwidth=0).pack(side=TOP)
buttons.pack(side=BOTTOM)
return outer
def ok(self):
"""Apply config changes, then dismiss dialog.
Methods:
apply
destroy: inherited
"""
self.apply()
self.destroy()
def apply(self):
"""Apply config changes and leave dialog open.
Methods:
deactivate_current_config
save_all_changed_extensions
activate_config_changes
"""
self.deactivate_current_config()
changes.save_all()
self.save_all_changed_extensions()
self.activate_config_changes()
def cancel(self):
"""Dismiss config dialog.
Methods:
destroy: inherited
"""
self.destroy()
def destroy(self):
global font_sample_text
font_sample_text = self.fontpage.font_sample.get('1.0', 'end')
self.grab_release()
super().destroy()
def help(self):
"""Create textview for config dialog help.
Attributes accessed:
note
Methods:
view_text: Method from textview module.
"""
page = self.note.tab(self.note.select(), option='text').strip()
view_text(self, title='Help for IDLE preferences',
text=help_common+help_pages.get(page, ''))
def deactivate_current_config(self):
"""Remove current key bindings.
Iterate over window instances defined in parent and remove
the keybindings.
"""
# Before a config is saved, some cleanup of current
# config must be done - remove the previous keybindings.
win_instances = self.parent.instance_dict.keys()
for instance in win_instances:
instance.RemoveKeybindings()
def activate_config_changes(self):
"""Apply configuration changes to current windows.
Dynamically update the current parent window instances
with some of the configuration changes.
"""
win_instances = self.parent.instance_dict.keys()
for instance in win_instances:
instance.ResetColorizer()
instance.ResetFont()
instance.set_notabs_indentwidth()
instance.ApplyKeybindings()
instance.reset_help_menu_entries()
for klass in reloadables:
klass.reload()
def create_page_extensions(self):
"""Part of the config dialog used for configuring IDLE extensions.
This code is generic - it works for any and all IDLE extensions.
IDLE extensions save their configuration options using idleConf.
This code reads the current configuration using idleConf, supplies a
GUI interface to change the configuration values, and saves the
changes using idleConf.
Not all changes take effect immediately - some may require restarting IDLE.
This depends on each extension's implementation.
All values are treated as text, and it is up to the user to supply
reasonable values. The only exception to this are the 'enable*' options,
which are boolean, and can be toggled with a True/False button.
Methods:
load_extensions:
extension_selected: Handle selection from list.
create_extension_frame: Hold widgets for one extension.
set_extension_value: Set in userCfg['extensions'].
save_all_changed_extensions: Call extension page Save().
"""
parent = self.parent
frame = Frame(self.note)
self.ext_defaultCfg = idleConf.defaultCfg['extensions']
self.ext_userCfg = idleConf.userCfg['extensions']
self.is_int = self.register(is_int)
self.load_extensions()
# Create widgets - a listbox shows all available extensions, with the
# controls for the extension selected in the listbox to the right.
self.extension_names = StringVar(self)
frame.rowconfigure(0, weight=1)
frame.columnconfigure(2, weight=1)
self.extension_list = Listbox(frame, listvariable=self.extension_names,
selectmode='browse')
self.extension_list.bind('<<ListboxSelect>>', self.extension_selected)
scroll = Scrollbar(frame, command=self.extension_list.yview)
self.extension_list.yscrollcommand=scroll.set
self.details_frame = LabelFrame(frame, width=250, height=250)
self.extension_list.grid(column=0, row=0, sticky='nws')
scroll.grid(column=1, row=0, sticky='ns')
self.details_frame.grid(column=2, row=0, sticky='nsew', padx=[10, 0])
frame.configure(padding=10)
self.config_frame = {}
self.current_extension = None
self.outerframe = self # TEMPORARY
self.tabbed_page_set = self.extension_list # TEMPORARY
# Create the frame holding controls for each extension.
ext_names = ''
for ext_name in sorted(self.extensions):
self.create_extension_frame(ext_name)
ext_names = ext_names + '{' + ext_name + '} '
self.extension_names.set(ext_names)
self.extension_list.selection_set(0)
self.extension_selected(None)
return frame
def load_extensions(self):
"Fill self.extensions with data from the default and user configs."
self.extensions = {}
for ext_name in idleConf.GetExtensions(active_only=False):
# Former built-in extensions are already filtered out.
self.extensions[ext_name] = []
for ext_name in self.extensions:
opt_list = sorted(self.ext_defaultCfg.GetOptionList(ext_name))
# Bring 'enable' options to the beginning of the list.
enables = [opt_name for opt_name in opt_list
if opt_name.startswith('enable')]
for opt_name in enables:
opt_list.remove(opt_name)
opt_list = enables + opt_list
for opt_name in opt_list:
def_str = self.ext_defaultCfg.Get(
ext_name, opt_name, raw=True)
try:
def_obj = {'True':True, 'False':False}[def_str]
opt_type = 'bool'
except KeyError:
try:
def_obj = int(def_str)
opt_type = 'int'
except ValueError:
def_obj = def_str
opt_type = None
try:
value = self.ext_userCfg.Get(
ext_name, opt_name, type=opt_type, raw=True,
default=def_obj)
except ValueError: # Need this until .Get fixed.
value = def_obj # Bad values overwritten by entry.
var = StringVar(self)
var.set(str(value))
self.extensions[ext_name].append({'name': opt_name,
'type': opt_type,
'default': def_str,
'value': value,
'var': var,
})
def extension_selected(self, event):
"Handle selection of an extension from the list."
newsel = self.extension_list.curselection()
if newsel:
newsel = self.extension_list.get(newsel)
if newsel is None or newsel != self.current_extension:
if self.current_extension:
self.details_frame.config(text='')
self.config_frame[self.current_extension].grid_forget()
self.current_extension = None
if newsel:
self.details_frame.config(text=newsel)
self.config_frame[newsel].grid(column=0, row=0, sticky='nsew')
self.current_extension = newsel
def create_extension_frame(self, ext_name):
"""Create a frame holding the widgets to configure one extension"""
f = VerticalScrolledFrame(self.details_frame, height=250, width=250)
self.config_frame[ext_name] = f
entry_area = f.interior
# Create an entry for each configuration option.
for row, opt in enumerate(self.extensions[ext_name]):
# Create a row with a label and entry/checkbutton.
label = Label(entry_area, text=opt['name'])
label.grid(row=row, column=0, sticky=NW)
var = opt['var']
if opt['type'] == 'bool':
Checkbutton(entry_area, variable=var,
onvalue='True', offvalue='False', width=8
).grid(row=row, column=1, sticky=W, padx=7)
elif opt['type'] == 'int':
Entry(entry_area, textvariable=var, validate='key',
validatecommand=(self.is_int, '%P'), width=10
).grid(row=row, column=1, sticky=NSEW, padx=7)
else: # type == 'str'
# Limit size to fit non-expanding space with larger font.
Entry(entry_area, textvariable=var, width=15
).grid(row=row, column=1, sticky=NSEW, padx=7)
return
def set_extension_value(self, section, opt):
"""Return True if the configuration was added or changed.
If the value is the same as the default, then remove it
from user config file.
"""
name = opt['name']
default = opt['default']
value = opt['var'].get().strip() or default
opt['var'].set(value)
# if self.defaultCfg.has_section(section):
# Currently, always true; if not, indent to return.
if (value == default):
return self.ext_userCfg.RemoveOption(section, name)
# Set the option.
return self.ext_userCfg.SetOption(section, name, value)
def save_all_changed_extensions(self):
"""Save configuration changes to the user config file.
Attributes accessed:
extensions
Methods:
set_extension_value
"""
has_changes = False
for ext_name in self.extensions:
options = self.extensions[ext_name]
for opt in options:
if self.set_extension_value(ext_name, opt):
has_changes = True
if has_changes:
self.ext_userCfg.Save()
# class TabPage(Frame): # A template for Page classes.
# def __init__(self, master):
# super().__init__(master)
# self.create_page_tab()
# self.load_tab_cfg()
# def create_page_tab(self):
# # Define tk vars and register var and callback with tracers.
# # Create subframes and widgets.
# # Pack widgets.
# def load_tab_cfg(self):
# # Initialize widgets with data from idleConf.
# def var_changed_var_name():
# # For each tk var that needs other than default callback.
# def other_methods():
# # Define tab-specific behavior.
font_sample_text = (
'<ASCII/Latin1>\n'
'AaBbCcDdEeFfGgHhIiJj\n1234567890#:+=(){}[]\n'
'\u00a2\u00a3\u00a5\u00a7\u00a9\u00ab\u00ae\u00b6\u00bd\u011e'
'\u00c0\u00c1\u00c2\u00c3\u00c4\u00c5\u00c7\u00d0\u00d8\u00df\n'
'\n<IPA,Greek,Cyrillic>\n'
'\u0250\u0255\u0258\u025e\u025f\u0264\u026b\u026e\u0270\u0277'
'\u027b\u0281\u0283\u0286\u028e\u029e\u02a2\u02ab\u02ad\u02af\n'
'\u0391\u03b1\u0392\u03b2\u0393\u03b3\u0394\u03b4\u0395\u03b5'
'\u0396\u03b6\u0397\u03b7\u0398\u03b8\u0399\u03b9\u039a\u03ba\n'
'\u0411\u0431\u0414\u0434\u0416\u0436\u041f\u043f\u0424\u0444'
'\u0427\u0447\u042a\u044a\u042d\u044d\u0460\u0464\u046c\u04dc\n'
'\n<Hebrew, Arabic>\n'
'\u05d0\u05d1\u05d2\u05d3\u05d4\u05d5\u05d6\u05d7\u05d8\u05d9'
'\u05da\u05db\u05dc\u05dd\u05de\u05df\u05e0\u05e1\u05e2\u05e3\n'
'\u0627\u0628\u062c\u062f\u0647\u0648\u0632\u062d\u0637\u064a'
'\u0660\u0661\u0662\u0663\u0664\u0665\u0666\u0667\u0668\u0669\n'
'\n<Devanagari, Tamil>\n'
'\u0966\u0967\u0968\u0969\u096a\u096b\u096c\u096d\u096e\u096f'
'\u0905\u0906\u0907\u0908\u0909\u090a\u090f\u0910\u0913\u0914\n'
'\u0be6\u0be7\u0be8\u0be9\u0bea\u0beb\u0bec\u0bed\u0bee\u0bef'
'\u0b85\u0b87\u0b89\u0b8e\n'
'\n<East Asian>\n'
'\u3007\u4e00\u4e8c\u4e09\u56db\u4e94\u516d\u4e03\u516b\u4e5d\n'
'\u6c49\u5b57\u6f22\u5b57\u4eba\u6728\u706b\u571f\u91d1\u6c34\n'
'\uac00\ub0d0\ub354\ub824\ubaa8\ubd64\uc218\uc720\uc988\uce58\n'
'\u3042\u3044\u3046\u3048\u304a\u30a2\u30a4\u30a6\u30a8\u30aa\n'
)
class FontPage(Frame):
def __init__(self, master, highpage):
super().__init__(master)
self.highlight_sample = highpage.highlight_sample
self.create_page_font_tab()
self.load_font_cfg()
self.load_tab_cfg()
def create_page_font_tab(self):
"""Return frame of widgets for Font/Tabs tab.
Fonts: Enable users to provisionally change font face, size, or
boldness and to see the consequence of proposed choices. Each
action set 3 options in changes structuree and changes the
corresponding aspect of the font sample on this page and
highlight sample on highlight page.
Function load_font_cfg initializes font vars and widgets from
idleConf entries and tk.
Fontlist: mouse button 1 click or up or down key invoke
on_fontlist_select(), which sets var font_name.
Sizelist: clicking the menubutton opens the dropdown menu. A
mouse button 1 click or return key sets var font_size.
Bold_toggle: clicking the box toggles var font_bold.
Changing any of the font vars invokes var_changed_font, which
adds all 3 font options to changes and calls set_samples.
Set_samples applies a new font constructed from the font vars to
font_sample and to highlight_sample on the highlight page.
Tabs: Enable users to change spaces entered for indent tabs.
Changing indent_scale value with the mouse sets Var space_num,
which invokes the default callback to add an entry to
changes. Load_tab_cfg initializes space_num to default.
Widgets for FontPage(Frame): (*) widgets bound to self
frame_font: LabelFrame
frame_font_name: Frame
font_name_title: Label
(*)fontlist: ListBox - font_name
scroll_font: Scrollbar
frame_font_param: Frame
font_size_title: Label
(*)sizelist: DynOptionMenu - font_size
(*)bold_toggle: Checkbutton - font_bold
frame_sample: LabelFrame
(*)font_sample: Label
frame_indent: LabelFrame
indent_title: Label
(*)indent_scale: Scale - space_num
"""
self.font_name = tracers.add(StringVar(self), self.var_changed_font)
self.font_size = tracers.add(StringVar(self), self.var_changed_font)
self.font_bold = tracers.add(BooleanVar(self), self.var_changed_font)
self.space_num = tracers.add(IntVar(self), ('main', 'Indent', 'num-spaces'))
# Define frames and widgets.
frame_font = LabelFrame(
self, borderwidth=2, relief=GROOVE, text=' Shell/Editor Font ')
frame_sample = LabelFrame(
self, borderwidth=2, relief=GROOVE,
text=' Font Sample (Editable) ')
frame_indent = LabelFrame(
self, borderwidth=2, relief=GROOVE, text=' Indentation Width ')
# frame_font.
frame_font_name = Frame(frame_font)
frame_font_param = Frame(frame_font)
font_name_title = Label(
frame_font_name, justify=LEFT, text='Font Face :')
self.fontlist = Listbox(frame_font_name, height=15,
takefocus=True, exportselection=FALSE)
self.fontlist.bind('<ButtonRelease-1>', self.on_fontlist_select)
self.fontlist.bind('<KeyRelease-Up>', self.on_fontlist_select)
self.fontlist.bind('<KeyRelease-Down>', self.on_fontlist_select)
scroll_font = Scrollbar(frame_font_name)
scroll_font.config(command=self.fontlist.yview)
self.fontlist.config(yscrollcommand=scroll_font.set)
font_size_title = Label(frame_font_param, text='Size :')
self.sizelist = DynOptionMenu(frame_font_param, self.font_size, None)
self.bold_toggle = Checkbutton(
frame_font_param, variable=self.font_bold,
onvalue=1, offvalue=0, text='Bold')
# frame_sample.
self.font_sample = Text(frame_sample, width=20, height=20)
self.font_sample.insert(END, font_sample_text)
# frame_indent.
indent_title = Label(
frame_indent, justify=LEFT,
text='Python Standard: 4 Spaces!')
self.indent_scale = Scale(
frame_indent, variable=self.space_num,
orient='horizontal', tickinterval=2, from_=2, to=16)
# Grid and pack widgets:
self.columnconfigure(1, weight=1)
frame_font.grid(row=0, column=0, padx=5, pady=5)
frame_sample.grid(row=0, column=1, rowspan=2, padx=5, pady=5,
sticky='nsew')
frame_indent.grid(row=1, column=0, padx=5, pady=5, sticky='ew')
# frame_font.
frame_font_name.pack(side=TOP, padx=5, pady=5, fill=X)
frame_font_param.pack(side=TOP, padx=5, pady=5, fill=X)
font_name_title.pack(side=TOP, anchor=W)
self.fontlist.pack(side=LEFT, expand=TRUE, fill=X)
scroll_font.pack(side=LEFT, fill=Y)
font_size_title.pack(side=LEFT, anchor=W)
self.sizelist.pack(side=LEFT, anchor=W)
self.bold_toggle.pack(side=LEFT, anchor=W, padx=20)
# frame_sample.
self.font_sample.pack(expand=TRUE, fill=BOTH)
# frame_indent.
indent_title.pack(side=TOP, anchor=W, padx=5)
self.indent_scale.pack(side=TOP, padx=5, fill=X)
def load_font_cfg(self):
"""Load current configuration settings for the font options.
Retrieve current font with idleConf.GetFont and font families
from tk. Setup fontlist and set font_name. Setup sizelist,
which sets font_size. Set font_bold. Call set_samples.
"""
configured_font = idleConf.GetFont(self, 'main', 'EditorWindow')
font_name = configured_font[0].lower()
font_size = configured_font[1]
font_bold = configured_font[2]=='bold'
# Set editor font selection list and font_name.
fonts = list(tkFont.families(self))
fonts.sort()
for font in fonts:
self.fontlist.insert(END, font)
self.font_name.set(font_name)
lc_fonts = [s.lower() for s in fonts]
try:
current_font_index = lc_fonts.index(font_name)
self.fontlist.see(current_font_index)
self.fontlist.select_set(current_font_index)
self.fontlist.select_anchor(current_font_index)
self.fontlist.activate(current_font_index)
except ValueError:
pass
# Set font size dropdown.
self.sizelist.SetMenu(('7', '8', '9', '10', '11', '12', '13', '14',
'16', '18', '20', '22', '25', '29', '34', '40'),
font_size)
# Set font weight.
self.font_bold.set(font_bold)
self.set_samples()
def var_changed_font(self, *params):
"""Store changes to font attributes.
When one font attribute changes, save them all, as they are
not independent from each other. In particular, when we are
overriding the default font, we need to write out everything.
"""
value = self.font_name.get()
changes.add_option('main', 'EditorWindow', 'font', value)
value = self.font_size.get()
changes.add_option('main', 'EditorWindow', 'font-size', value)
value = self.font_bold.get()
changes.add_option('main', 'EditorWindow', 'font-bold', value)
self.set_samples()
def on_fontlist_select(self, event):
"""Handle selecting a font from the list.
Event can result from either mouse click or Up or Down key.
Set font_name and example displays to selection.
"""
font = self.fontlist.get(
ACTIVE if event.type.name == 'KeyRelease' else ANCHOR)
self.font_name.set(font.lower())
def set_samples(self, event=None):
"""Update update both screen samples with the font settings.
Called on font initialization and change events.
Accesses font_name, font_size, and font_bold Variables.
Updates font_sample and highlight page highlight_sample.
"""
font_name = self.font_name.get()
font_weight = tkFont.BOLD if self.font_bold.get() else tkFont.NORMAL
new_font = (font_name, self.font_size.get(), font_weight)
self.font_sample['font'] = new_font
self.highlight_sample['font'] = new_font
def load_tab_cfg(self):
"""Load current configuration settings for the tab options.
Attributes updated:
space_num: Set to value from idleConf.
"""
# Set indent sizes.
space_num = idleConf.GetOption(
'main', 'Indent', 'num-spaces', default=4, type='int')
self.space_num.set(space_num)
def var_changed_space_num(self, *params):
"Store change to indentation size."
value = self.space_num.get()
changes.add_option('main', 'Indent', 'num-spaces', value)
class HighPage(Frame):
def __init__(self, master):
super().__init__(master)
self.cd = master.master
self.style = Style(master)
self.create_page_highlight()
self.load_theme_cfg()
def create_page_highlight(self):
"""Return frame of widgets for Highlighting tab.
Enable users to provisionally change foreground and background
colors applied to textual tags. Color mappings are stored in
complete listings called themes. Built-in themes in
idlelib/config-highlight.def are fixed as far as the dialog is
concerned. Any theme can be used as the base for a new custom
theme, stored in .idlerc/config-highlight.cfg.
Function load_theme_cfg() initializes tk variables and theme
lists and calls paint_theme_sample() and set_highlight_target()
for the current theme. Radiobuttons builtin_theme_on and
custom_theme_on toggle var theme_source, which controls if the
current set of colors are from a builtin or custom theme.
DynOptionMenus builtinlist and customlist contain lists of the
builtin and custom themes, respectively, and the current item
from each list is stored in vars builtin_name and custom_name.
Function paint_theme_sample() applies the colors from the theme
to the tags in text widget highlight_sample and then invokes
set_color_sample(). Function set_highlight_target() sets the state
of the radiobuttons fg_on and bg_on based on the tag and it also
invokes set_color_sample().
Function set_color_sample() sets the background color for the frame
holding the color selector. This provides a larger visual of the
color for the current tag and plane (foreground/background).
Note: set_color_sample() is called from many places and is often
called more than once when a change is made. It is invoked when
foreground or background is selected (radiobuttons), from
paint_theme_sample() (theme is changed or load_cfg is called), and
from set_highlight_target() (target tag is changed or load_cfg called).
Button delete_custom invokes delete_custom() to delete
a custom theme from idleConf.userCfg['highlight'] and changes.
Button save_custom invokes save_as_new_theme() which calls
get_new_theme_name() and create_new() to save a custom theme
and its colors to idleConf.userCfg['highlight'].
Radiobuttons fg_on and bg_on toggle var fg_bg_toggle to control
if the current selected color for a tag is for the foreground or
background.
DynOptionMenu targetlist contains a readable description of the
tags applied to Python source within IDLE. Selecting one of the
tags from this list populates highlight_target, which has a callback
function set_highlight_target().
Text widget highlight_sample displays a block of text (which is
mock Python code) in which is embedded the defined tags and reflects
the color attributes of the current theme and changes for those tags.
Mouse button 1 allows for selection of a tag and updates
highlight_target with that tag value.
Note: The font in highlight_sample is set through the config in
the fonts tab.
In other words, a tag can be selected either from targetlist or
by clicking on the sample text within highlight_sample. The
plane (foreground/background) is selected via the radiobutton.
Together, these two (tag and plane) control what color is
shown in set_color_sample() for the current theme. Button set_color
invokes get_color() which displays a ColorChooser to change the
color for the selected tag/plane. If a new color is picked,
it will be saved to changes and the highlight_sample and
frame background will be updated.
Tk Variables:
color: Color of selected target.
builtin_name: Menu variable for built-in theme.
custom_name: Menu variable for custom theme.
fg_bg_toggle: Toggle for foreground/background color.
Note: this has no callback.
theme_source: Selector for built-in or custom theme.
highlight_target: Menu variable for the highlight tag target.
Instance Data Attributes:
theme_elements: Dictionary of tags for text highlighting.
The key is the display name and the value is a tuple of
(tag name, display sort order).
Methods [attachment]:
load_theme_cfg: Load current highlight colors.
get_color: Invoke colorchooser [button_set_color].
set_color_sample_binding: Call set_color_sample [fg_bg_toggle].
set_highlight_target: set fg_bg_toggle, set_color_sample().
set_color_sample: Set frame background to target.
on_new_color_set: Set new color and add option.
paint_theme_sample: Recolor sample.
get_new_theme_name: Get from popup.
create_new: Combine theme with changes and save.
save_as_new_theme: Save [button_save_custom].
set_theme_type: Command for [theme_source].
delete_custom: Activate default [button_delete_custom].
save_new: Save to userCfg['theme'] (is function).
Widgets of highlights page frame: (*) widgets bound to self
frame_custom: LabelFrame
(*)highlight_sample: Text
(*)frame_color_set: Frame
(*)button_set_color: Button
(*)targetlist: DynOptionMenu - highlight_target
frame_fg_bg_toggle: Frame
(*)fg_on: Radiobutton - fg_bg_toggle
(*)bg_on: Radiobutton - fg_bg_toggle
(*)button_save_custom: Button
frame_theme: LabelFrame
theme_type_title: Label
(*)builtin_theme_on: Radiobutton - theme_source
(*)custom_theme_on: Radiobutton - theme_source
(*)builtinlist: DynOptionMenu - builtin_name
(*)customlist: DynOptionMenu - custom_name
(*)button_delete_custom: Button
(*)theme_message: Label
"""
self.theme_elements = {
'Normal Text': ('normal', '00'),
'Code Context': ('context', '01'),
'Python Keywords': ('keyword', '02'),
'Python Definitions': ('definition', '03'),
'Python Builtins': ('builtin', '04'),
'Python Comments': ('comment', '05'),
'Python Strings': ('string', '06'),
'Selected Text': ('hilite', '07'),
'Found Text': ('hit', '08'),
'Cursor': ('cursor', '09'),
'Editor Breakpoint': ('break', '10'),
'Shell Normal Text': ('console', '11'),
'Shell Error Text': ('error', '12'),
'Shell Stdout Text': ('stdout', '13'),
'Shell Stderr Text': ('stderr', '14'),
'Line Number': ('linenumber', '16'),
}
self.builtin_name = tracers.add(
StringVar(self), self.var_changed_builtin_name)
self.custom_name = tracers.add(
StringVar(self), self.var_changed_custom_name)
self.fg_bg_toggle = BooleanVar(self)
self.color = tracers.add(
StringVar(self), self.var_changed_color)
self.theme_source = tracers.add(
BooleanVar(self), self.var_changed_theme_source)
self.highlight_target = tracers.add(
StringVar(self), self.var_changed_highlight_target)
# Create widgets:
# body frame and section frames.
frame_custom = LabelFrame(self, borderwidth=2, relief=GROOVE,
text=' Custom Highlighting ')
frame_theme = LabelFrame(self, borderwidth=2, relief=GROOVE,
text=' Highlighting Theme ')
# frame_custom.
text = self.highlight_sample = Text(
frame_custom, relief=SOLID, borderwidth=1,
font=('courier', 12, ''), cursor='hand2', width=21, height=13,
takefocus=FALSE, highlightthickness=0, wrap=NONE)
text.bind('<Double-Button-1>', lambda e: 'break')
text.bind('<B1-Motion>', lambda e: 'break')
text_and_tags=(
('\n', 'normal'),
('#you can click here', 'comment'), ('\n', 'normal'),
('#to choose items', 'comment'), ('\n', 'normal'),
('code context section', 'context'), ('\n\n', 'normal'),
('def', 'keyword'), (' ', 'normal'),
('func', 'definition'), ('(param):\n ', 'normal'),
('"""string"""', 'string'), ('\n var0 = ', 'normal'),
("'string'", 'string'), ('\n var1 = ', 'normal'),
("'selected'", 'hilite'), ('\n var2 = ', 'normal'),
("'found'", 'hit'), ('\n var3 = ', 'normal'),
('list', 'builtin'), ('(', 'normal'),
('None', 'keyword'), (')\n', 'normal'),
(' breakpoint("line")', 'break'), ('\n\n', 'normal'),
(' error ', 'error'), (' ', 'normal'),
('cursor |', 'cursor'), ('\n ', 'normal'),
('shell', 'console'), (' ', 'normal'),
('stdout', 'stdout'), (' ', 'normal'),
('stderr', 'stderr'), ('\n\n', 'normal'))
for texttag in text_and_tags:
text.insert(END, texttag[0], texttag[1])
n_lines = len(text.get('1.0', END).splitlines())
for lineno in range(1, n_lines + 1):
text.insert(f'{lineno}.0',
f'{lineno:{len(str(n_lines))}d} ',
'linenumber')
for element in self.theme_elements:
def tem(event, elem=element):
# event.widget.winfo_top_level().highlight_target.set(elem)
self.highlight_target.set(elem)
text.tag_bind(
self.theme_elements[element][0], '<ButtonPress-1>', tem)
text['state'] = 'disabled'
self.style.configure('frame_color_set.TFrame', borderwidth=1,
relief='solid')
self.frame_color_set = Frame(frame_custom, style='frame_color_set.TFrame')
frame_fg_bg_toggle = Frame(frame_custom)
self.button_set_color = Button(
self.frame_color_set, text='Choose Color for :',
command=self.get_color)
self.targetlist = DynOptionMenu(
self.frame_color_set, self.highlight_target, None,
highlightthickness=0) #, command=self.set_highlight_targetBinding
self.fg_on = Radiobutton(
frame_fg_bg_toggle, variable=self.fg_bg_toggle, value=1,
text='Foreground', command=self.set_color_sample_binding)
self.bg_on = Radiobutton(
frame_fg_bg_toggle, variable=self.fg_bg_toggle, value=0,
text='Background', command=self.set_color_sample_binding)
self.fg_bg_toggle.set(1)
self.button_save_custom = Button(
frame_custom, text='Save as New Custom Theme',
command=self.save_as_new_theme)
# frame_theme.
theme_type_title = Label(frame_theme, text='Select : ')
self.builtin_theme_on = Radiobutton(
frame_theme, variable=self.theme_source, value=1,
command=self.set_theme_type, text='a Built-in Theme')
self.custom_theme_on = Radiobutton(
frame_theme, variable=self.theme_source, value=0,
command=self.set_theme_type, text='a Custom Theme')
self.builtinlist = DynOptionMenu(
frame_theme, self.builtin_name, None, command=None)
self.customlist = DynOptionMenu(
frame_theme, self.custom_name, None, command=None)
self.button_delete_custom = Button(
frame_theme, text='Delete Custom Theme',
command=self.delete_custom)
self.theme_message = Label(frame_theme, borderwidth=2)
# Pack widgets:
# body.
frame_custom.pack(side=LEFT, padx=5, pady=5, expand=TRUE, fill=BOTH)
frame_theme.pack(side=TOP, padx=5, pady=5, fill=X)
# frame_custom.
self.frame_color_set.pack(side=TOP, padx=5, pady=5, expand=TRUE, fill=X)
frame_fg_bg_toggle.pack(side=TOP, padx=5, pady=0)
self.highlight_sample.pack(
side=TOP, padx=5, pady=5, expand=TRUE, fill=BOTH)
self.button_set_color.pack(side=TOP, expand=TRUE, fill=X, padx=8, pady=4)
self.targetlist.pack(side=TOP, expand=TRUE, fill=X, padx=8, pady=3)
self.fg_on.pack(side=LEFT, anchor=E)
self.bg_on.pack(side=RIGHT, anchor=W)
self.button_save_custom.pack(side=BOTTOM, fill=X, padx=5, pady=5)
# frame_theme.
theme_type_title.pack(side=TOP, anchor=W, padx=5, pady=5)
self.builtin_theme_on.pack(side=TOP, anchor=W, padx=5)
self.custom_theme_on.pack(side=TOP, anchor=W, padx=5, pady=2)
self.builtinlist.pack(side=TOP, fill=X, padx=5, pady=5)
self.customlist.pack(side=TOP, fill=X, anchor=W, padx=5, pady=5)
self.button_delete_custom.pack(side=TOP, fill=X, padx=5, pady=5)
self.theme_message.pack(side=TOP, fill=X, pady=5)
def load_theme_cfg(self):
"""Load current configuration settings for the theme options.
Based on the theme_source toggle, the theme is set as
either builtin or custom and the initial widget values
reflect the current settings from idleConf.
Attributes updated:
theme_source: Set from idleConf.
builtinlist: List of default themes from idleConf.
customlist: List of custom themes from idleConf.
custom_theme_on: Disabled if there are no custom themes.
custom_theme: Message with additional information.
targetlist: Create menu from self.theme_elements.
Methods:
set_theme_type
paint_theme_sample
set_highlight_target
"""
# Set current theme type radiobutton.
self.theme_source.set(idleConf.GetOption(
'main', 'Theme', 'default', type='bool', default=1))
# Set current theme.
current_option = idleConf.CurrentTheme()
# Load available theme option menus.
if self.theme_source.get(): # Default theme selected.
item_list = idleConf.GetSectionList('default', 'highlight')
item_list.sort()
self.builtinlist.SetMenu(item_list, current_option)
item_list = idleConf.GetSectionList('user', 'highlight')
item_list.sort()
if not item_list:
self.custom_theme_on.state(('disabled',))
self.custom_name.set('- no custom themes -')
else:
self.customlist.SetMenu(item_list, item_list[0])
else: # User theme selected.
item_list = idleConf.GetSectionList('user', 'highlight')
item_list.sort()
self.customlist.SetMenu(item_list, current_option)
item_list = idleConf.GetSectionList('default', 'highlight')
item_list.sort()
self.builtinlist.SetMenu(item_list, item_list[0])
self.set_theme_type()
# Load theme element option menu.
theme_names = list(self.theme_elements.keys())
theme_names.sort(key=lambda x: self.theme_elements[x][1])
self.targetlist.SetMenu(theme_names, theme_names[0])
self.paint_theme_sample()
self.set_highlight_target()
def var_changed_builtin_name(self, *params):
"""Process new builtin theme selection.
Add the changed theme's name to the changed_items and recreate
the sample with the values from the selected theme.
"""
old_themes = ('IDLE Classic', 'IDLE New')
value = self.builtin_name.get()