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File/Folder	Size	Actions
CREDITS.txt	1.82 KB	Del OK
ChangeLog	55.04 KB	Del OK
HISTORY.txt	10.07 KB	Del OK
Icons	-	Del OK
NEWS.txt	47.65 KB	Del OK
NEWS2x.txt	26.54 KB	Del OK
README.txt	9.37 KB	Del OK
TODO.txt	8.28 KB	Del OK
__init__.py	396 B	Del OK
__main__.py	159 B	Del OK
__pycache__	-	Del OK
autocomplete.py	8.74 KB	Del OK
autocomplete_w.py	19.64 KB	Del OK
autoexpand.py	3.14 KB	Del OK
browser.py	8.12 KB	Del OK
calltip.py	6.17 KB	Del OK
calltip_w.py	6.99 KB	Del OK
codecontext.py	11.06 KB	Del OK
colorizer.py	12.69 KB	Del OK
config-extensions.def	2.21 KB	Del OK
config-highlight.def	2.8 KB	Del OK
config-keys.def	10.65 KB	Del OK
config-main.def	3.09 KB	Del OK
config.py	37.28 KB	Del OK
config_key.py	14.13 KB	Del OK
configdialog.py	102.07 KB	Del OK
debugger.py	18.66 KB	Del OK
debugger_r.py	11.86 KB	Del OK
debugobj.py	3.96 KB	Del OK
debugobj_r.py	1.06 KB	Del OK
delegator.py	1.02 KB	Del OK
dynoption.py	1.97 KB	Del OK
editor.py	64.08 KB	Del OK
extend.txt	3.56 KB	Del OK
filelist.py	3.8 KB	Del OK
format.py	15.41 KB	Del OK
grep.py	7.3 KB	Del OK
help.html	60.76 KB	Del OK
help.py	11.46 KB	Del OK
help_about.py	8.77 KB	Del OK
history.py	3.95 KB	Del OK
hyperparser.py	12.58 KB	Del OK
idle.py	454 B	Del OK
idle.pyw	570 B	Del OK
idle_test	-	Del OK
iomenu.py	20.15 KB	Del OK
macosx.py	9.44 KB	Del OK
mainmenu.py	3.83 KB	Del OK
multicall.py	18.21 KB	Del OK
outwin.py	5.65 KB	Del OK
parenmatch.py	7.04 KB	Del OK
pathbrowser.py	3.12 KB	Del OK
percolator.py	3.06 KB	Del OK
pyparse.py	19.48 KB	Del OK
pyshell.py	55.91 KB	Del OK
query.py	14.55 KB	Del OK
redirector.py	6.71 KB	Del OK
replace.py	9.66 KB	Del OK
rpc.py	20.64 KB	Del OK
run.py	19.82 KB	Del OK
runscript.py	8.58 KB	Del OK
scrolledlist.py	4.36 KB	Del OK
search.py	5.44 KB	Del OK
searchbase.py	7.36 KB	Del OK
searchengine.py	7.3 KB	Del OK
sidebar.py	13.27 KB	Del OK
squeezer.py	12.54 KB	Del OK
stackviewer.py	4.35 KB	Del OK
statusbar.py	1.41 KB	Del OK
textview.py	6.65 KB	Del OK
tooltip.py	6.41 KB	Del OK
tree.py	15.97 KB	Del OK
undo.py	10.79 KB	Del OK
window.py	2.55 KB	Del OK
zoomheight.py	4.1 KB	Del OK
zzdummy.py	961 B	Del OK

Edit: textview.py

"""Simple text browser for IDLE """ from tkinter import Toplevel, Text, TclError,\ HORIZONTAL, VERTICAL, NS, EW, NSEW, NONE, WORD, SUNKEN from tkinter.ttk import Frame, Scrollbar, Button from tkinter.messagebox import showerror from idlelib.colorizer import color_config class AutoHideScrollbar(Scrollbar): """A scrollbar that is automatically hidden when not needed. Only the grid geometry manager is supported. """ def set(self, lo, hi): if float(lo) > 0.0 or float(hi) < 1.0: self.grid() else: self.grid_remove() super().set(lo, hi) def pack(self, **kwargs): raise TclError(f'{self.__class__.__name__} does not support "pack"') def place(self, **kwargs): raise TclError(f'{self.__class__.__name__} does not support "place"') class ScrollableTextFrame(Frame): """Display text with scrollbar(s).""" def __init__(self, master, wrap=NONE, **kwargs): """Create a frame for Textview. master - master widget for this frame wrap - type of text wrapping to use ('word', 'char' or 'none') All parameters except for 'wrap' are passed to Frame.__init__(). The Text widget is accessible via the 'text' attribute. Note: Changing the wrapping mode of the text widget after instantiation is not supported. """ super().__init__(master, **kwargs) text = self.text = Text(self, wrap=wrap) text.grid(row=0, column=0, sticky=NSEW) self.grid_rowconfigure(0, weight=1) self.grid_columnconfigure(0, weight=1) # vertical scrollbar self.yscroll = AutoHideScrollbar(self, orient=VERTICAL, takefocus=False, command=text.yview) self.yscroll.grid(row=0, column=1, sticky=NS) text['yscrollcommand'] = self.yscroll.set # horizontal scrollbar - only when wrap is set to NONE if wrap == NONE: self.xscroll = AutoHideScrollbar(self, orient=HORIZONTAL, takefocus=False, command=text.xview) self.xscroll.grid(row=1, column=0, sticky=EW) text['xscrollcommand'] = self.xscroll.set else: self.xscroll = None class ViewFrame(Frame): "Display TextFrame and Close button." def __init__(self, parent, contents, wrap='word'): """Create a frame for viewing text with a "Close" button. parent - parent widget for this frame contents - text to display wrap - type of text wrapping to use ('word', 'char' or 'none') The Text widget is accessible via the 'text' attribute. """ super().__init__(parent) self.parent = parent self.bind('<Return>', self.ok) self.bind('<Escape>', self.ok) self.textframe = ScrollableTextFrame(self, relief=SUNKEN, height=700) text = self.text = self.textframe.text text.insert('1.0', contents) text.configure(wrap=wrap, highlightthickness=0, state='disabled') color_config(text) text.focus_set() self.button_ok = button_ok = Button( self, text='Close', command=self.ok, takefocus=False) self.textframe.pack(side='top', expand=True, fill='both') button_ok.pack(side='bottom') def ok(self, event=None): """Dismiss text viewer dialog.""" self.parent.destroy() class ViewWindow(Toplevel): "A simple text viewer dialog for IDLE." def __init__(self, parent, title, contents, modal=True, wrap=WORD, *, _htest=False, _utest=False): """Show the given text in a scrollable window with a 'close' button. If modal is left True, users cannot interact with other windows until the textview window is closed. parent - parent of this dialog title - string which is title of popup dialog contents - text to display in dialog wrap - type of text wrapping to use ('word', 'char' or 'none') _htest - bool; change box location when running htest. _utest - bool; don't wait_window when running unittest. """ super().__init__(parent) self['borderwidth'] = 5 # Place dialog below parent if running htest. x = parent.winfo_rootx() + 10 y = parent.winfo_rooty() + (10 if not _htest else 100) self.geometry(f'=750x500+{x}+{y}') self.title(title) self.viewframe = ViewFrame(self, contents, wrap=wrap) self.protocol("WM_DELETE_WINDOW", self.ok) self.button_ok = button_ok = Button(self, text='Close', command=self.ok, takefocus=False) self.viewframe.pack(side='top', expand=True, fill='both') self.is_modal = modal if self.is_modal: self.transient(parent) self.grab_set() if not _utest: self.wait_window() def ok(self, event=None): """Dismiss text viewer dialog.""" if self.is_modal: self.grab_release() self.destroy() def view_text(parent, title, contents, modal=True, wrap='word', _utest=False): """Create text viewer for given text. parent - parent of this dialog title - string which is the title of popup dialog contents - text to display in this dialog wrap - type of text wrapping to use ('word', 'char' or 'none') modal - controls if users can interact with other windows while this dialog is displayed _utest - bool; controls wait_window on unittest """ return ViewWindow(parent, title, contents, modal, wrap=wrap, _utest=_utest) def view_file(parent, title, filename, encoding, modal=True, wrap='word', _utest=False): """Create text viewer for text in filename. Return error message if file cannot be read. Otherwise calls view_text with contents of the file. """ try: with open(filename, 'r', encoding=encoding) as file: contents = file.read() except OSError: showerror(title='File Load Error', message=f'Unable to load file {filename!r} .', parent=parent) except UnicodeDecodeError as err: showerror(title='Unicode Decode Error', message=str(err), parent=parent) else: return view_text(parent, title, contents, modal, wrap=wrap, _utest=_utest) return None if __name__ == '__main__': from unittest import main main('idlelib.idle_test.test_textview', verbosity=2, exit=False) from idlelib.idle_test.htest import run run(ViewWindow)
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