class PuzzleViewer(Frame):
@classmethod
def _format(cls, obj, indent=0):
prefix = ' ' * indent
if isinstance(obj, list):
return textwrap.indent(
'\n[' + ','.join(cls._format(e, indent + 1)
for e in obj) + '\n]',
prefix)
elif isinstance(obj, dict):
return textwrap.indent(
'\n{' + (','.join(
'{}:{}'.format(cls._format(k, indent + 1),
cls._format(v, indent + 1))
for k, v
in obj.items())) + '\n}',
prefix)
return textwrap.indent('\n' + str(obj), prefix)
def __init__(self, master):
super().__init__(master)
self._text = Text(self, font=("Mono", 12))
self.button = Button(self, text='repr',
command=self.toggle)
self._raw_text = ''
self._text.pack(fill='both', expand=1)
self.button.pack()
def update_text(self, obj):
self._raw_text = obj
self._text.delete('0.0', 'end')
if self.button.cget('text') == 'repr':
self._text.insert('end', pprint.pformat(obj))
else:
self._text.insert('end', self._format(obj))
def toggle(self):
if self.button.cget('text') == 'repr':
self.button.config(text='str')
self.update_text(self._raw_text)
else:
self.button.config(text='repr')
self.update_text(self._raw_text)
def createTempMenu(self):
level = self.menu_tree.getSelectionLevel(self.temp_menu_tree.tree[0])
self.menu_tree.traverseDownToSelectionLevel(
self.temp_menu_tree.tree[0])
rowNumber = 0
for child in level:
settingValue = Label(self.menuFrame, text=child.value[0])
settingValue.grid(row=rowNumber, column=1)
settingKey = Button(
self.menuFrame,
text=child.name,
command=lambda: self.changeMenuValue(child, settingValue))
self.buttonColor = settingKey.cget('bg')
settingKey.grid(row=rowNumber, column=0)
self.nodeToButtonDict[child] = (settingKey, settingValue)
if rowNumber == 0:
self.currentSelectionButton = settingKey
self.currentSelectionNode = child
rowNumber += 1
self.makeSelectedButtonColored(self.currentSelectionButton)
class GetKeysDialog(Toplevel):
# Dialog title for invalid key sequence
keyerror_title = 'Key Sequence Error'
def __init__(self,
parent,
title,
action,
current_key_sequences,
*,
_htest=False,
_utest=False):
"""
parent - parent of this dialog
title - string which is the title of the popup dialog
action - string, the name of the virtual event these keys will be
mapped to
current_key_sequences - list, a list of all key sequence lists
currently mapped to virtual events, for overlap checking
_htest - bool, change box location when running htest
_utest - bool, do not wait when running unittest
"""
Toplevel.__init__(self, parent)
self.withdraw() # Hide while setting geometry.
self.configure(borderwidth=5)
self.resizable(height=False, width=False)
self.title(title)
self.transient(parent)
self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.cancel)
self.parent = parent
self.action = action
self.current_key_sequences = current_key_sequences
self.result = ''
self.key_string = StringVar(self)
self.key_string.set('')
# Set self.modifiers, self.modifier_label.
self.set_modifiers_for_platform()
self.modifier_vars = []
for modifier in self.modifiers:
variable = StringVar(self)
variable.set('')
self.modifier_vars.append(variable)
self.advanced = False
self.create_widgets()
self.update_idletasks()
self.geometry("+%d+%d" %
(parent.winfo_rootx() +
(parent.winfo_width() / 2 - self.winfo_reqwidth() / 2),
parent.winfo_rooty() +
((parent.winfo_height() / 2 -
self.winfo_reqheight() / 2) if not _htest else 150))
) # Center dialog over parent (or below htest box).
if not _utest:
self.deiconify() # Geometry set, unhide.
self.wait_window()
def showerror(self, *args, **kwargs):
# Make testing easier. Replace in #30751.
messagebox.showerror(*args, **kwargs)
def create_widgets(self):
self.frame = frame = Frame(self, borderwidth=2, relief='sunken')
frame.pack(side='top', expand=True, fill='both')
frame_buttons = Frame(self)
frame_buttons.pack(side='bottom', fill='x')
self.button_ok = Button(frame_buttons,
text='OK',
width=8,
command=self.ok)
self.button_ok.grid(row=0, column=0, padx=5, pady=5)
self.button_cancel = Button(frame_buttons,
text='Cancel',
width=8,
command=self.cancel)
self.button_cancel.grid(row=0, column=1, padx=5, pady=5)
# Basic entry key sequence.
self.frame_keyseq_basic = Frame(frame, name='keyseq_basic')
self.frame_keyseq_basic.grid(row=0,
column=0,
sticky='nsew',
padx=5,
pady=5)
basic_title = Label(self.frame_keyseq_basic,
text=f"New keys for '{self.action}' :")
basic_title.pack(anchor='w')
basic_keys = Label(self.frame_keyseq_basic,
justify='left',
textvariable=self.key_string,
relief='groove',
borderwidth=2)
basic_keys.pack(ipadx=5, ipady=5, fill='x')
# Basic entry controls.
self.frame_controls_basic = Frame(frame)
self.frame_controls_basic.grid(row=1, column=0, sticky='nsew', padx=5)
# Basic entry modifiers.
self.modifier_checkbuttons = {}
column = 0
for modifier, variable in zip(self.modifiers, self.modifier_vars):
label = self.modifier_label.get(modifier, modifier)
check = Checkbutton(self.frame_controls_basic,
command=self.build_key_string,
text=label,
variable=variable,
onvalue=modifier,
offvalue='')
check.grid(row=0, column=column, padx=2, sticky='w')
self.modifier_checkbuttons[modifier] = check
column += 1
# Basic entry help text.
help_basic = Label(self.frame_controls_basic,
justify='left',
text="Select the desired modifier keys\n" +
"above, and the final key from the\n" +
"list on the right.\n\n" +
"Use upper case Symbols when using\n" +
"the Shift modifier. (Letters will be\n" +
"converted automatically.)")
help_basic.grid(row=1, column=0, columnspan=4, padx=2, sticky='w')
# Basic entry key list.
self.list_keys_final = Listbox(self.frame_controls_basic,
width=15,
height=10,
selectmode='single')
self.list_keys_final.insert('end', *AVAILABLE_KEYS)
self.list_keys_final.bind('<ButtonRelease-1>', self.final_key_selected)
self.list_keys_final.grid(row=0, column=4, rowspan=4, sticky='ns')
scroll_keys_final = Scrollbar(self.frame_controls_basic,
orient='vertical',
command=self.list_keys_final.yview)
self.list_keys_final.config(yscrollcommand=scroll_keys_final.set)
scroll_keys_final.grid(row=0, column=5, rowspan=4, sticky='ns')
self.button_clear = Button(self.frame_controls_basic,
text='Clear Keys',
command=self.clear_key_seq)
self.button_clear.grid(row=2, column=0, columnspan=4)
# Advanced entry key sequence.
self.frame_keyseq_advanced = Frame(frame, name='keyseq_advanced')
self.frame_keyseq_advanced.grid(row=0,
column=0,
sticky='nsew',
padx=5,
pady=5)
advanced_title = Label(
self.frame_keyseq_advanced,
justify='left',
text=f"Enter new binding(s) for '{self.action}' :\n" +
"(These bindings will not be checked for validity!)")
advanced_title.pack(anchor='w')
self.advanced_keys = Entry(self.frame_keyseq_advanced,
textvariable=self.key_string)
self.advanced_keys.pack(fill='x')
# Advanced entry help text.
self.frame_help_advanced = Frame(frame)
self.frame_help_advanced.grid(row=1, column=0, sticky='nsew', padx=5)
help_advanced = Label(
self.frame_help_advanced,
justify='left',
text="Key bindings are specified using Tkinter keysyms as\n" +
"in these samples: <Control-f>, <Shift-F2>, <F12>,\n"
"<Control-space>, <Meta-less>, <Control-Alt-Shift-X>.\n"
"Upper case is used when the Shift modifier is present!\n\n" +
"'Emacs style' multi-keystroke bindings are specified as\n" +
"follows: <Control-x><Control-y>, where the first key\n" +
"is the 'do-nothing' keybinding.\n\n" +
"Multiple separate bindings for one action should be\n" +
"separated by a space, eg., <Alt-v> <Meta-v>.")
help_advanced.grid(row=0, column=0, sticky='nsew')
# Switch between basic and advanced.
self.button_level = Button(frame,
command=self.toggle_level,
text='<< Basic Key Binding Entry')
self.button_level.grid(row=2, column=0, stick='ew', padx=5, pady=5)
self.toggle_level()
def set_modifiers_for_platform(self):
"""Determine list of names of key modifiers for this platform.
The names are used to build Tk bindings -- it doesn't matter if the
keyboard has these keys; it matters if Tk understands them. The
order is also important: key binding equality depends on it, so
config-keys.def must use the same ordering.
"""
if sys.platform == "darwin":
self.modifiers = ['Shift', 'Control', 'Option', 'Command']
else:
self.modifiers = ['Control', 'Alt', 'Shift']
self.modifier_label = {'Control': 'Ctrl'} # Short name.
def toggle_level(self):
"Toggle between basic and advanced keys."
if self.button_level.cget('text').startswith('Advanced'):
self.clear_key_seq()
self.button_level.config(text='<< Basic Key Binding Entry')
self.frame_keyseq_advanced.lift()
self.frame_help_advanced.lift()
self.advanced_keys.focus_set()
self.advanced = True
else:
self.clear_key_seq()
self.button_level.config(text='Advanced Key Binding Entry >>')
self.frame_keyseq_basic.lift()
self.frame_controls_basic.lift()
self.advanced = False
def final_key_selected(self, event=None):
"Handler for clicking on key in basic settings list."
self.build_key_string()
def build_key_string(self):
"Create formatted string of modifiers plus the key."
keylist = modifiers = self.get_modifiers()
final_key = self.list_keys_final.get('anchor')
if final_key:
final_key = translate_key(final_key, modifiers)
keylist.append(final_key)
self.key_string.set(f"<{'-'.join(keylist)}>")
def get_modifiers(self):
"Return ordered list of modifiers that have been selected."
mod_list = [variable.get() for variable in self.modifier_vars]
return [mod for mod in mod_list if mod]
def clear_key_seq(self):
"Clear modifiers and keys selection."
self.list_keys_final.select_clear(0, 'end')
self.list_keys_final.yview('moveto', '0.0')
for variable in self.modifier_vars:
variable.set('')
self.key_string.set('')
def ok(self, event=None):
keys = self.key_string.get().strip()
if not keys:
self.showerror(title=self.keyerror_title,
parent=self,
message="No key specified.")
return
if (self.advanced or self.keys_ok(keys)) and self.bind_ok(keys):
self.result = keys
self.grab_release()
self.destroy()
def cancel(self, event=None):
self.result = ''
self.grab_release()
self.destroy()
def keys_ok(self, keys):
"""Validity check on user's 'basic' keybinding selection.
Doesn't check the string produced by the advanced dialog because
'modifiers' isn't set.
"""
final_key = self.list_keys_final.get('anchor')
modifiers = self.get_modifiers()
title = self.keyerror_title
key_sequences = [
key for keylist in self.current_key_sequences for key in keylist
]
if not keys.endswith('>'):
self.showerror(title, parent=self, message='Missing the final Key')
elif (not modifiers and final_key not in FUNCTION_KEYS + MOVE_KEYS):
self.showerror(title=title,
parent=self,
message='No modifier key(s) specified.')
elif (modifiers == ['Shift']) \
and (final_key not in
FUNCTION_KEYS + MOVE_KEYS + ('Tab', 'Space')):
msg = 'The shift modifier by itself may not be used with'\
' this key symbol.'
self.showerror(title=title, parent=self, message=msg)
elif keys in key_sequences:
msg = 'This key combination is already in use.'
self.showerror(title=title, parent=self, message=msg)
else:
return True
return False
def bind_ok(self, keys):
"Return True if Tcl accepts the new keys else show message."
try:
binding = self.bind(keys, lambda: None)
except TclError as err:
self.showerror(
title=self.keyerror_title,
parent=self,
message=(f'The entered key sequence is not accepted.\n\n'
f'Error: {err}'))
return False
else:
self.unbind(keys, binding)
return True
class Application(Frame):
"""The main Tk application, a simple dialog."""
def __init__(self, master=None):
super().__init__(master)
self.badge = None
self.grid()
self.columnconfigure(0, minsize=200)
self.columnconfigure(1, minsize=200)
self.rowconfigure(0, minsize=300)
self.rowconfigure(3, minsize=30)
self.create_widgets()
# self.output.insert("1.0", "This is a test\n")
# self.sentto.insert("end", b"this is an error\n", "error")
self.connect()
self.after(SERIAL_POLL_INTERVAL, self.poll_serial)
def create_widgets(self):
"""Sets up dialog elements."""
da_row = 0
"counter so I don't have to update every grid() call when I add/remove row"
self.select = tix.FileSelectBox(self,
browsecmd=self.on_file_selected,
pattern="*.fs",
directory="forth")
# self.select["textVariable"] = self.forth_file
self.select.grid(row=da_row, columnspan=2, sticky='nwes', pady=10)
da_row += 1
self.output_label = Label(self, text="Badge Output")
self.output_label.grid(row=da_row,
column=1,
sticky='w',
padx=10,
pady=3)
self.sentto_label = Label(self, text="Sent To Badge")
self.sentto_label.grid(row=da_row,
column=0,
sticky='w',
padx=10,
pady=3)
da_row += 1
# height is in lines, width in characters
self.output = Text(self, height=16, width=40)
self.output.grid(row=da_row, column=1, padx=10)
self.sentto = Text(self, height=16, width=40)
self.sentto.tag_configure("error", background="red")
self.sentto.grid(row=da_row, column=0, padx=10)
da_row += 1
self.connect_btn = Button(self,
text="Connect",
command=self.toggle_connect)
self.connect_btn.grid(row=da_row, column=0, columnspan=2)
da_row += 1
self.exec_btn = Button(self, text="Execute", command=self.send_file)
self.exec_btn.state(["disabled"])
self.exec_btn.grid(row=da_row,
column=0,
sticky='w' + 'e',
padx=10,
pady=3)
self.quit = Button(self, text="QUIT", command=self.master.destroy)
self.quit.grid(row=da_row, column=1, sticky='w' + 'e', padx=10, pady=3)
da_row += 1
self.status_panel = Frame(self, relief="sunken", borderwidth=3)
self.status_panel.grid(row=da_row, columnspan=2, sticky='nwse')
self.connect_status = Label(self.status_panel, text="Not Connected")
self.connect_status.grid(row=0, padx=10, pady=5, sticky="w")
if self.badge is not None:
self.connect_btn.state(["disabled"])
self.connect_status.config(text="Connected: " +
self.badge.os_device)
def send_file(self, _retry=False):
"""Send the selected file to the badge."""
if self.badge:
try:
# oddly, very first set LED seems to not set correct color
self.badge.led(0, 0, 128)
self.badge.led(0, 0, 128)
with open(self.select.cget("value"), 'r') as forthin:
self.badge.forth_run(forthin.read())
time.sleep(1) # because forth_run() may be too fast
self.badge.led(0, 128, 0)
except IOError:
if not _retry:
self.connect()
self.send_file(True)
else:
raise
def poll_serial(self):
"Checks serial port for incoming bytes, reads and displays them."
if self.badge is not None:
bytes_in = self.badge.read_from()
if bytes_in:
self.output.insert("end", bytes_in + b'\n')
self.after(SERIAL_POLL_INTERVAL, self.poll_serial)
def toggle_connect(self):
"If connected, disconnect, otherwise connect."
if self.connect_btn.cget("text") == "Connect":
self.connect()
else:
self.disconnect()
def disconnect(self):
"Disconnect from current badge."
isinstance(self.badge, Badge)
self.badge.close()
self.badge = None
self.connect_btn.config(text="Connect")
self.connect_status.config(text="Not connected.")
self.exec_btn.state(["disabled"])
def connect(self):
"""Attempt to connect to a badge; toggle Connect button if successful."""
try:
self.badge = Badge(on_serial_write=self.on_bytes_sent,
min_write_dt=0.01)
self.connect_status.config(text="Connected: " +
self.badge.os_device)
self.connect_btn.config(text="Disconnect")
# enable "Execute" if file is selected
self.on_file_selected(self.select.cget("value"))
except BadgeSerialException:
self.connect_status.config(text="Not connected")
def on_file_selected(self, selected_file):
"""Respond to user selection of file by enabling the Execute button."""
if Path(selected_file).is_file:
self.exec_btn.state(["!disabled"])
else:
self.exec_btn.state(["disabled"])
def on_bytes_sent(self, data, count):
self.sentto.insert("end", data[:count])
if count < len(data):
self.sentto.insert("end", data[count:], "error")
self.sentto.insert("end", "\n")
class Application(Frame):
"""The main Tk application, a simple dialog."""
def __init__(self, master=None):
super().__init__(master)
self.badge = None
self.grid()
self.columnconfigure(0, minsize=200)
self.columnconfigure(1, minsize=200)
self.rowconfigure(0, minsize=300)
self.rowconfigure(3, minsize=30)
self.create_widgets()
self.connect()
def create_widgets(self):
"""Sets up dialog elements."""
self.select = tix.FileSelectBox(self, browsecmd=self.on_file_selected,
pattern="*.fs", directory="forth")
# self.select["textVariable"] = self.forth_file
self.select.grid(row=0, columnspan=2, sticky='n'+'w'+'e')
self.connect_btn = Button(self, text="Connect",
command=self.toggle_connect)
self.connect_btn.grid(row=1, column=0, columnspan=2)
self.exec_btn = Button(self, text="Execute", command=self.send_file)
self.exec_btn.state(["disabled"])
self.exec_btn.grid(row=2, column=0, sticky='w' + 'e', padx=5, pady=3)
self.quit = Button(self, text="QUIT", command=self.master.destroy)
self.quit.grid(row=2, column=1, sticky='w' + 'e', padx=5, pady=3)
self.status_panel = Frame(self, relief="groove", borderwidth=3)
self.status_panel.grid(row=3, columnspan=2, sticky='nwse')
self.connect_status = Label(self.status_panel, text="Not Connected")
self.connect_status.grid(row=0, padx=5, pady=5, sticky="w")
if self.badge is not None:
self.connect_btn.state(["disabled"])
self.connect_status.config(text="Connected: " + self.badge.os_device)
def send_file(self, _retry=False):
"""Send the selected file to the badge."""
if self.badge:
try:
# oddly, very first set LED seems to not set correct color
self.badge.led(0, 0, 128)
self.badge.led(0, 0, 128)
with open(self.select.cget("value"), 'r') as forthin:
self.badge.forth_run(forthin.read())
time.sleep(1) # because forth_run() may be too fast
self.badge.led(0, 128, 0)
except IOError:
if not _retry:
self.connect()
self.send_file(True)
else:
raise
def toggle_connect(self):
"If connected, disconnect, otherwise connect."
if self.connect_btn.cget("text") == "Connect":
self.connect()
else:
self.disconnect()
def disconnect(self):
"Disconnect from current badge."
isinstance(self.badge, Badge)
self.badge.close()
self.badge = None
self.connect_btn.config(text="Connect")
self.connect_status.config(text="Not connected.")
self.exec_btn.state(["disabled"])
def connect(self):
"""Attempt to connect to a badge; toggle Connect button if successful."""
try:
self.badge = Badge()
self.connect_status.config(text="Connected: " + self.badge.os_device)
self.connect_btn.config(text="Disconnect")
# enable "Execute" if file is selected
self.on_file_selected(self.select.cget("value"))
except BadgeSerialException:
self.connect_status.config(text="Not connected")
def on_file_selected(self, selected_file):
"""Respond to user selection of file by enabling the Execute button."""
if Path(selected_file).is_file:
self.exec_btn.state(["!disabled"])
else:
self.exec_btn.state(["disabled"])
class GetKeysDialog(Toplevel):
# Dialog title for invalid key sequence
keyerror_title = 'Key Sequence Error'
def __init__(self, parent, title, action, current_key_sequences,
*, _htest=False, _utest=False):
"""
parent - parent of this dialog
title - string which is the title of the popup dialog
action - string, the name of the virtual event these keys will be
mapped to
current_key_sequences - list, a list of all key sequence lists
currently mapped to virtual events, for overlap checking
_htest - bool, change box location when running htest
_utest - bool, do not wait when running unittest
"""
Toplevel.__init__(self, parent)
self.withdraw() # Hide while setting geometry.
self.configure(borderwidth=5)
self.resizable(height=False, width=False)
self.title(title)
self.transient(parent)
self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.cancel)
self.parent = parent
self.action = action
self.current_key_sequences = current_key_sequences
self.result = ''
self.key_string = StringVar(self)
self.key_string.set('')
# Set self.modifiers, self.modifier_label.
self.set_modifiers_for_platform()
self.modifier_vars = []
for modifier in self.modifiers:
variable = StringVar(self)
variable.set('')
self.modifier_vars.append(variable)
self.advanced = False
self.create_widgets()
self.update_idletasks()
self.geometry(
"+%d+%d" % (
parent.winfo_rootx() +
(parent.winfo_width()/2 - self.winfo_reqwidth()/2),
parent.winfo_rooty() +
((parent.winfo_height()/2 - self.winfo_reqheight()/2)
if not _htest else 150)
) ) # Center dialog over parent (or below htest box).
if not _utest:
self.deiconify() # Geometry set, unhide.
self.wait_window()
def showerror(self, *args, **kwargs):
# Make testing easier. Replace in #30751.
messagebox.showerror(*args, **kwargs)
def create_widgets(self):
self.frame = frame = Frame(self, borderwidth=2, relief='sunken')
frame.pack(side='top', expand=True, fill='both')
frame_buttons = Frame(self)
frame_buttons.pack(side='bottom', fill='x')
self.button_ok = Button(frame_buttons, text='OK',
width=8, command=self.ok)
self.button_ok.grid(row=0, column=0, padx=5, pady=5)
self.button_cancel = Button(frame_buttons, text='Cancel',
width=8, command=self.cancel)
self.button_cancel.grid(row=0, column=1, padx=5, pady=5)
# Basic entry key sequence.
self.frame_keyseq_basic = Frame(frame, name='keyseq_basic')
self.frame_keyseq_basic.grid(row=0, column=0, sticky='nsew',
padx=5, pady=5)
basic_title = Label(self.frame_keyseq_basic,
text=f"New keys for '{self.action}' :")
basic_title.pack(anchor='w')
basic_keys = Label(self.frame_keyseq_basic, justify='left',
textvariable=self.key_string, relief='groove',
borderwidth=2)
basic_keys.pack(ipadx=5, ipady=5, fill='x')
# Basic entry controls.
self.frame_controls_basic = Frame(frame)
self.frame_controls_basic.grid(row=1, column=0, sticky='nsew', padx=5)
# Basic entry modifiers.
self.modifier_checkbuttons = {}
column = 0
for modifier, variable in zip(self.modifiers, self.modifier_vars):
label = self.modifier_label.get(modifier, modifier)
check = Checkbutton(self.frame_controls_basic,
command=self.build_key_string, text=label,
variable=variable, onvalue=modifier, offvalue='')
check.grid(row=0, column=column, padx=2, sticky='w')
self.modifier_checkbuttons[modifier] = check
column += 1
# Basic entry help text.
help_basic = Label(self.frame_controls_basic, justify='left',
text="Select the desired modifier keys\n"+
"above, and the final key from the\n"+
"list on the right.\n\n" +
"Use upper case Symbols when using\n" +
"the Shift modifier. (Letters will be\n" +
"converted automatically.)")
help_basic.grid(row=1, column=0, columnspan=4, padx=2, sticky='w')
# Basic entry key list.
self.list_keys_final = Listbox(self.frame_controls_basic, width=15,
height=10, selectmode='single')
self.list_keys_final.insert('end', *AVAILABLE_KEYS)
self.list_keys_final.bind('<ButtonRelease-1>', self.final_key_selected)
self.list_keys_final.grid(row=0, column=4, rowspan=4, sticky='ns')
scroll_keys_final = Scrollbar(self.frame_controls_basic,
orient='vertical',
command=self.list_keys_final.yview)
self.list_keys_final.config(yscrollcommand=scroll_keys_final.set)
scroll_keys_final.grid(row=0, column=5, rowspan=4, sticky='ns')
self.button_clear = Button(self.frame_controls_basic,
text='Clear Keys',
command=self.clear_key_seq)
self.button_clear.grid(row=2, column=0, columnspan=4)
# Advanced entry key sequence.
self.frame_keyseq_advanced = Frame(frame, name='keyseq_advanced')
self.frame_keyseq_advanced.grid(row=0, column=0, sticky='nsew',
padx=5, pady=5)
advanced_title = Label(self.frame_keyseq_advanced, justify='left',
text=f"Enter new binding(s) for '{self.action}' :\n" +
"(These bindings will not be checked for validity!)")
advanced_title.pack(anchor='w')
self.advanced_keys = Entry(self.frame_keyseq_advanced,
textvariable=self.key_string)
self.advanced_keys.pack(fill='x')
# Advanced entry help text.
self.frame_help_advanced = Frame(frame)
self.frame_help_advanced.grid(row=1, column=0, sticky='nsew', padx=5)
help_advanced = Label(self.frame_help_advanced, justify='left',
text="Key bindings are specified using Tkinter keysyms as\n"+
"in these samples: <Control-f>, <Shift-F2>, <F12>,\n"
"<Control-space>, <Meta-less>, <Control-Alt-Shift-X>.\n"
"Upper case is used when the Shift modifier is present!\n\n" +
"'Emacs style' multi-keystroke bindings are specified as\n" +
"follows: <Control-x><Control-y>, where the first key\n" +
"is the 'do-nothing' keybinding.\n\n" +
"Multiple separate bindings for one action should be\n"+
"separated by a space, eg., <Alt-v> <Meta-v>." )
help_advanced.grid(row=0, column=0, sticky='nsew')
# Switch between basic and advanced.
self.button_level = Button(frame, command=self.toggle_level,
text='<< Basic Key Binding Entry')
self.button_level.grid(row=2, column=0, stick='ew', padx=5, pady=5)
self.toggle_level()
def set_modifiers_for_platform(self):
"""Determine list of names of key modifiers for this platform.
The names are used to build Tk bindings -- it doesn't matter if the
keyboard has these keys; it matters if Tk understands them. The
order is also important: key binding equality depends on it, so
config-keys.def must use the same ordering.
"""
if sys.platform == "darwin":
self.modifiers = ['Shift', 'Control', 'Option', 'Command']
else:
self.modifiers = ['Control', 'Alt', 'Shift']
self.modifier_label = {'Control': 'Ctrl'} # Short name.
def toggle_level(self):
"Toggle between basic and advanced keys."
if self.button_level.cget('text').startswith('Advanced'):
self.clear_key_seq()
self.button_level.config(text='<< Basic Key Binding Entry')
self.frame_keyseq_advanced.lift()
self.frame_help_advanced.lift()
self.advanced_keys.focus_set()
self.advanced = True
else:
self.clear_key_seq()
self.button_level.config(text='Advanced Key Binding Entry >>')
self.frame_keyseq_basic.lift()
self.frame_controls_basic.lift()
self.advanced = False
def final_key_selected(self, event=None):
"Handler for clicking on key in basic settings list."
self.build_key_string()
def build_key_string(self):
"Create formatted string of modifiers plus the key."
keylist = modifiers = self.get_modifiers()
final_key = self.list_keys_final.get('anchor')
if final_key:
final_key = translate_key(final_key, modifiers)
keylist.append(final_key)
self.key_string.set(f"<{'-'.join(keylist)}>")
def get_modifiers(self):
"Return ordered list of modifiers that have been selected."
mod_list = [variable.get() for variable in self.modifier_vars]
return [mod for mod in mod_list if mod]
def clear_key_seq(self):
"Clear modifiers and keys selection."
self.list_keys_final.select_clear(0, 'end')
self.list_keys_final.yview('moveto', '0.0')
for variable in self.modifier_vars:
variable.set('')
self.key_string.set('')
def ok(self, event=None):
keys = self.key_string.get().strip()
if not keys:
self.showerror(title=self.keyerror_title, parent=self,
message="No key specified.")
return
if (self.advanced or self.keys_ok(keys)) and self.bind_ok(keys):
self.result = keys
self.grab_release()
self.destroy()
def cancel(self, event=None):
self.result = ''
self.grab_release()
self.destroy()
def keys_ok(self, keys):
"""Validity check on user's 'basic' keybinding selection.
Doesn't check the string produced by the advanced dialog because
'modifiers' isn't set.
"""
final_key = self.list_keys_final.get('anchor')
modifiers = self.get_modifiers()
title = self.keyerror_title
key_sequences = [key for keylist in self.current_key_sequences
for key in keylist]
if not keys.endswith('>'):
self.showerror(title, parent=self,
message='Missing the final Key')
elif (not modifiers
and final_key not in FUNCTION_KEYS + MOVE_KEYS):
self.showerror(title=title, parent=self,
message='No modifier key(s) specified.')
elif (modifiers == ['Shift']) \
and (final_key not in
FUNCTION_KEYS + MOVE_KEYS + ('Tab', 'Space')):
msg = 'The shift modifier by itself may not be used with'\
' this key symbol.'
self.showerror(title=title, parent=self, message=msg)
elif keys in key_sequences:
msg = 'This key combination is already in use.'
self.showerror(title=title, parent=self, message=msg)
else:
return True
return False
def bind_ok(self, keys):
"Return True if Tcl accepts the new keys else show message."
try:
binding = self.bind(keys, lambda: None)
except TclError as err:
self.showerror(
title=self.keyerror_title, parent=self,
message=(f'The entered key sequence is not accepted.\n\n'
f'Error: {err}'))
return False
else:
self.unbind(keys, binding)
return True
class Application(Frame):
"""The main Tk application, a simple dialog."""
def __init__(self, master=None):
super().__init__(master)
self.badge = None
self.grid()
self.columnconfigure(0, minsize=200)
self.columnconfigure(1, minsize=200)
self.rowconfigure(0, minsize=300)
self.rowconfigure(3, minsize=30)
self.create_widgets()
self.connect()
def create_widgets(self):
"""Sets up dialog elements."""
self.select = tix.FileSelectBox(self,
browsecmd=self.on_file_selected,
pattern="*.fs",
directory="forth")
# self.select["textVariable"] = self.forth_file
self.select.grid(row=0, columnspan=2, sticky='n' + 'w' + 'e')
self.connect_btn = Button(self,
text="Connect",
command=self.toggle_connect)
self.connect_btn.grid(row=1, column=0, columnspan=2)
self.exec_btn = Button(self, text="Execute", command=self.send_file)
self.exec_btn.state(["disabled"])
self.exec_btn.grid(row=2, column=0, sticky='w' + 'e', padx=5, pady=3)
self.quit = Button(self, text="QUIT", command=self.master.destroy)
self.quit.grid(row=2, column=1, sticky='w' + 'e', padx=5, pady=3)
self.status_panel = Frame(self, relief="groove", borderwidth=3)
self.status_panel.grid(row=3, columnspan=2, sticky='nwse')
self.connect_status = Label(self.status_panel, text="Not Connected")
self.connect_status.grid(row=0, padx=5, pady=5, sticky="w")
if self.badge is not None:
self.connect_btn.state(["disabled"])
self.connect_status.config(text="Connected: " +
self.badge.os_device)
def send_file(self, _retry=False):
"""Send the selected file to the badge."""
if self.badge:
try:
# oddly, very first set LED seems to not set correct color
self.badge.led(0, 0, 128)
self.badge.led(0, 0, 128)
with open(self.select.cget("value"), 'r') as forthin:
self.badge.forth_run(forthin.read())
time.sleep(1) # because forth_run() may be too fast
self.badge.led(0, 128, 0)
except IOError:
if not _retry:
self.connect()
self.send_file(True)
else:
raise
def toggle_connect(self):
"If connected, disconnect, otherwise connect."
if self.connect_btn.cget("text") == "Connect":
self.connect()
else:
self.disconnect()
def disconnect(self):
"Disconnect from current badge."
isinstance(self.badge, Badge)
self.badge.close()
self.badge = None
self.connect_btn.config(text="Connect")
self.connect_status.config(text="Not connected.")
self.exec_btn.state(["disabled"])
def connect(self):
"""Attempt to connect to a badge; toggle Connect button if successful."""
try:
self.badge = Badge()
self.connect_status.config(text="Connected: " +
self.badge.os_device)
self.connect_btn.config(text="Disconnect")
# enable "Execute" if file is selected
self.on_file_selected(self.select.cget("value"))
except BadgeSerialException:
self.connect_status.config(text="Not connected")
def on_file_selected(self, selected_file):
"""Respond to user selection of file by enabling the Execute button."""
if Path(selected_file).is_file:
self.exec_btn.state(["!disabled"])
else:
self.exec_btn.state(["disabled"])
class SetupWindow(Tk):
"""
Little GUI for setting user's name, the partner's ip and that
the PC is a server or not.
"""
def __init__(self, *args, **kwargs):
Tk.__init__(self, *args, **kwargs)
try: # Set icon
self.iconbitmap('icon.ico')
except Exception:
pass
self.wm_title('TinyChat')
self.resizable(False, False)
try:
self.eval('tk::PlaceWindow %s center' %
self.winfo_pathname(self.winfo_id()))
except TclError:
pass
self.name = 'anonymous'
self.other_ip = socket.gethostbyname(socket.gethostname())
self.is_server = True
# Read last config from file
if os.path.isfile('config.json'):
with open('config.json', 'r') as file:
config = json.load(file)
self.name = config['name']
self.other_ip = config['other_ip']
self.is_server = config['is_server']
self.name_label = Label(self, text='Name')
self.other_ip_label = Label(self, text='IP')
self.server_label = Label(self, text='Server')
self.name_entry = Entry(self,
textvariable=StringVar(),
bd=1,
width=30,
bg='white',
fg='black')
self.other_ip_entry = Entry(self,
textvariable=StringVar(),
bd=1,
width=30,
bg='white',
fg='black')
self.server_button = Button(self,
text='Yes' if self.is_server else 'No',
width=22,
command=lambda: self.set_is_server())
self.apply_button = Button(self,
text='Start',
width=7,
command=self.apply)
self.name_entry.config(textvariable=StringVar(self, self.name))
self.other_ip_entry.config(textvariable=StringVar(self, self.other_ip))
self.other_ip_entry.config(
state='disabled' if self.is_server else 'normal')
self.name_label.grid(padx=1, pady=2, row=0, column=0)
self.name_entry.grid(padx=1, pady=2, row=0, column=1)
self.other_ip_label.grid(padx=1, pady=2, row=1, column=0)
self.other_ip_entry.grid(padx=1, pady=2, row=1, column=1)
self.server_label.grid(padx=1, pady=2, row=2, column=0)
self.server_button.grid(padx=1, pady=2, row=2, column=1)
self.apply_button.grid(padx=1, pady=5, row=3, column=1)
self.mainloop()
def set_is_server(self):
self.is_server = not self.is_server
self.server_button.config(text='Yes' if self.is_server else 'No')
self.other_ip_entry.config(
state='disabled' if self.is_server else 'normal')
def apply(self):
global MY_NAME, OTHER_IP, IS_SERVER
if self.name_entry.get() and self.other_ip_entry.get():
MY_NAME = self.name_entry.get()
OTHER_IP = self.other_ip_entry.get()
IS_SERVER = self.server_button.cget('text') == 'Yes'
config = {
'name': MY_NAME,
'other_ip': OTHER_IP,
'is_server': IS_SERVER
}
with open('config.json', 'w+') as file:
json.dump(config, file)
self.destroy()
