def __init__(self, widget: tkinter.Widget, text: str) -> None:
widget.bind("<Enter>", self.enter, add=True)
widget.bind("<Leave>", self.leave, add=True)
widget.bind("<Motion>", self.motion, add=True)
self.widget = widget
self.got_mouse = False
self.text = text # can be changed after creating tooltip manager
def __init__(self, _master_: Widget, _scene_: SceneFrame):
_master_.update()
super().__init__(_master_, borderwidth=2, relief="groove")
self._master = _master_
self._scene = _scene_
self._build()
pass
def __init__(self, widget: tkinter.Widget) -> None:
widget.bind('<Enter>', self.enter, add=True)
widget.bind('<Leave>', self.leave, add=True)
widget.bind('<Motion>', self.motion, add=True)
self.widget = widget
self.got_mouse = False
self.text: Optional[str] = None
def update_image(widget: tk.Widget,
img,
encode_mode: int = cv2.IMREAD_GRAYSCALE) -> None:
"""
表示画像の更新を行う。
:param widget 画像を表示対象
:param img イメージデータ
:param encode_mode 出力画像形式 カラー / グレースケール
note:ImageData.encode2PNMを使っている理由はexeファイルのサイズ削減のため。
Pillowに依存しないことで1MB、実行ファイルサイズが削減されます。
"""
assert img is not None
# 画像出力用
widget.np = img
ct()
ext = {
cv2.IMREAD_GRAYSCALE: '.PGM',
cv2.IMREAD_COLOR: '.PPM'
}.get(encode_mode)
# PGMまたはPBM形式に変換する。
# GC対象にならないように参照を保持
#ext = ".png"
widget.src = tk.PhotoImage(data=ImageData.encode2PNM(img, ext))
ct()
widget.configure(image=widget.src)
ct()
def set_visible(widget: tk.Widget, visible: bool = False) -> None:
"""
ウィンドウの表示/非表示を行う。
"""
if visible:
widget.deiconify()
else:
widget.withdraw()
def _place_widget(widget: tkinter.Widget, row: int, column: int,
columnspan: int, padx: int, pady: int, sticky: int):
"""Place widget on the windows (short hand for the grid command)"""
widget.grid(row=row,
column=column,
columnspan=columnspan,
padx=padx,
pady=pady,
sticky=sticky)
def bind_all(widget: tk.Widget,
modifier: str = "",
letter: str = "",
callback=None) -> None:
widget.bind_all('<{0}-{1}>'.format(modifier, letter.upper()), callback)
# numeric letter multi assign check.
if not letter.isdecimal():
widget.bind_all('<{0}-{1}>'.format(modifier, letter.lower()),
callback)
def style_menu(widget: tk.Widget) -> None:
style = ttk.Style()
bg = style.lookup(".", "background")
fg = style.lookup(".", "foreground")
abg = style.lookup(".", "lightcolor")
if not abg:
abg = bg
widget.config(
background=bg, foreground=fg, activebackground=abg, activeforeground=fg, bd=0
)
def __init__(self, master=None, cnf={}, **kw):
cnf = _cnfmerge((cnf, kw))
self.widgetName = '__dialog__'
Widget._setup(self, master, cnf)
self.num = self.tk.getint(
self.tk.call('tk_dialog', self._w, cnf['title'], cnf['text'],
cnf['bitmap'], cnf['default'], *cnf['strings']))
try:
Widget.destroy(self)
except TclError:
pass
def add_widget(self, widget: tk.Widget, index: int=None):
# modify the index so that the start and abort
# buttons are always at the end of the list
if index is None:
self.widgets.insert(-2, widget)
else:
self.widgets.insert(index, widget)
for i, widget in enumerate(self.widgets):
widget.grid_forget()
widget.grid(row=i, sticky='ew')
def add_widget(self, widget: tk.Widget, index: int=None):
if index is None:
logger.debug('adding widget {}'.format(widget))
self.widgets.append(widget)
else:
logger.debug('adding widget {} at index {}'.format(widget, index))
self.widgets.insert(index, widget)
for i, widget in enumerate(self.widgets):
widget.grid_forget()
widget.grid(row=i, sticky='ew')
def progress_step(progress_widget: tk.Widget, increment: int = 1):
'''Increment the progress bar.
Arguments:
progress_widget {ttk.Progressbar} -- The progress bar to be
initialized.
Keyword Arguments:
increment {int} -- The incremental step size to use.
(default: {1})
'''
progress_widget.step(increment)
progress_widget.update_idletasks()
def grid(w: Widget, row, col, colspan=1, rowspan=1, pad=5, **kw):
d = {
'row': row,
'column': col,
'columnspan': colspan,
'rowspan': rowspan,
'padx': pad,
'pady': pad,
'sticky': 'ensw'
}
w.grid(**{**d, **kw})
return w
def lock(widget: tk.Widget, state: str):
"""
Either lock or unlock a widget based on the state string.
:param widget: recursively lock/unlock if its a frame otherwise change the config to the specified state
:param state: state to set the widgets to
"""
if "TFrame" in widget.winfo_class():
for child in widget.winfo_children():
lock(child, state)
else:
widget.config(state=state)
def widget_recursive_enabler(widget: tk.Widget, enable: bool):
'''Enable/Disable a TK widget and all its children.'''
# TODO: Detect if tkwidget or ttk
if enable:
state = ['!disabled']
else:
state = ['disabled']
for child in widget.winfo_children():
widget_recursive_enabler(child, enable=enable)
widget.state(state)
def grid(widget: Widget, row: int, column: int, r=1, c=1):
"""Syntax candy for common use of grid geometry management method.
always has sticky set to "nsew".
Args:
widget: the widget to be placed.
row: row number (0 and up).
column: column number (0 and up).
r: optional row span
c: optional column span
"""
widget.grid(row=row, column=column, rowspan=r, columnspan=c, sticky="nsew")
def unbind_ci(widget: tk.Widget,
all_: bool = False,
*,
modifier: str = '',
letter: str,
callback=None):
if modifier and letter:
modifier += '-'
if all_:
widget.unbind_all(f'<{modifier}{letter.lower()}>')
widget.unbind_all(f'<{modifier}{letter.upper()}>')
else:
widget.unbind(f'<{modifier}{letter.lower()}>', callback)
widget.unbind(f'<{modifier}{letter.upper()}>', callback)
def style_listbox(widget: tk.Widget) -> None:
style = ttk.Style()
bg = style.lookup(".", "background")
fg = style.lookup(".", "foreground")
bc = style.lookup(".", "bordercolor")
if not bc:
bc = "black"
widget.config(
background=bg,
foreground=fg,
highlightthickness=1,
highlightcolor=bc,
highlightbackground=bc,
bd=0,
)
def position_absolute(self, widget: tkinter.Widget, x_position: int, y_position: int, x_size: int, y_size: int) \
-> None:
"""
Position a widget absolutely in a grid layout
:param widget: the widget to be positioned
:param x_position: the horizontal position of the widget in the grid
:param y_position: the vertical position of the widget in the grid
:param x_size: the width of the widget in the grid layout
:param y_size: the width of the widget in the grid layout
:return: void
"""
widget.grid(column=x_position, row=y_position, columnspan=x_size, rowspan=y_size, sticky=W + E + N + S)
if self.rowcounter < y_position + y_size:
self.rowcounter = y_position + y_size
if self.columncounter < x_position + x_size:
self.columncounter = x_position + x_size
def create_tooltip(widget: tk.Widget, text: str):
"""
Create a tooltip with text that is shown when the user hovers over widget.
"""
tool_tip = ToolTip(widget)
# noinspection PyUnusedLocal
def enter(tk_event: tk.Event):
tool_tip.show_tooltip(text)
# noinspection PyUnusedLocal
def leave(tk_event: tk.Event):
tool_tip.hide_tooltip()
widget.bind('<Enter>', enter)
widget.bind('<Leave>', leave)
def pack(self, w: tk.Widget):
rtn = w.grid(padx=PAD,
pady=PAD,
row=int(self.__counter / self.__width),
column=self.__counter % self.__width)
self.__counter += 1
return rtn
def toggle_state(self, item: tk.Widget, state: bool = False):
counter = self._get_counter(item)
if not state:
if counter.inc() == 1:
if not isinstance(item, tuple):
item.configure(state=tk.DISABLED)
else:
if isinstance(item[0], tk.Menu):
item[0].entryconfig(item[1], state=tk.DISABLED)
else:
if counter.dec() == 0:
if not isinstance(item, tuple):
item.configure(state=tk.NORMAL)
else:
if isinstance(item[0], tk.Menu):
item[0].entryconfig(item[1], state=tk.NORMAL)
def bind_all(widget: tk.Widget,
modifier: str = "",
letter: str = "",
callback=None) -> None:
"""
Keyboard Shortcut Assign.
:param widget:割り当てるウィジット
:param modifier:キーコード修飾子 Ctrl, Shift, Altなど
:param letter:割当文字
:param callback:イベント発生時に呼び出されるコールバック
:return:
"""
widget.bind_all('<{0}-{1}>'.format(modifier, letter.upper()), callback)
# numeric letter multi assign check.
if not letter.isdecimal():
widget.bind_all('<{0}-{1}>'.format(modifier, letter.lower()),
callback)
def set_widget_geometry(self, widget: tk.Widget, settings: ET.Element):
'''Apply window geometry settings given in the XML element.
Arguments:
widget {tk.Widget} -- The widget instance.
settings {ET.Element} -- The widget Settings XML Element.
'''
options = dict()
geometry = settings.find('Geometry')
padding = geometry.find('Padding')
if padding is not None:
options.update(self.reference.resolve(padding.attrib))
placement = geometry[0]
options.update(self.reference.resolve(placement.attrib))
if 'Grid' in placement.tag:
widget.grid(**options)
elif 'Pack' in placement.tag:
widget.pack(**options)
pass
def _setup_geometry(self, obj: tk.Widget, geom: str):
geom_match = self.__geom_re.match(geom)
if not geom_match:
raise RuntimeError(f"Invalid geometry: '{geom}'")
row_pattern = geom_match["row"]
column_pattern = geom_match["column"]
if geom_match["sticky"] is not None:
obj.grid(sticky=geom_match["sticky"])
row = self._parse_axis_configuration(row_pattern)
column = self._parse_axis_configuration(column_pattern)
obj.grid(
column=column.position,
row=row.position,
rowspan=1 + row.span,
columnspan=1 + column.span,
)
obj.master.rowconfigure(row.position, weight=row.weight)
obj.master.columnconfigure(column.position, weight=column.weight)
def bind_tab_key(widget: tkinter.Widget,
on_tab: Callable[['tkinter.Event[Any]', bool],
BreakOrNone], **bind_kwargs: Any) -> None:
"""A convenience function for binding Tab and Shift+Tab.
Use this function like this::
def on_tab(event, shifted):
# shifted is True if the user held down shift while pressing
# tab, and False otherwise
...
utils.bind_tab_key(some_widget, on_tab, add=True)
The ``event`` argument and ``on_tab()`` return values are treated
just like with regular bindings.
Binding ``'<Tab>'`` works just fine everywhere, but binding
``'<Shift-Tab>'`` only works on Windows and Mac OSX. This function
also works on X11.
"""
# there's something for this in more_functools, but it's a big
# dependency for something this simple imo
def callback(shifted: bool,
event: 'tkinter.Event[tkinter.Misc]') -> BreakOrNone:
return on_tab(event, shifted)
if widget.tk.call('tk', 'windowingsystem') == 'x11':
# even though the event keysym says Left, holding down the right
# shift and pressing tab also works :D
shift_tab = '<ISO_Left_Tab>'
else:
shift_tab = '<Shift-Tab>'
widget.bind('<Tab>', functools.partial(callback, False),
**bind_kwargs) # bindcheck: ignore
widget.bind(shift_tab, functools.partial(callback, True),
**bind_kwargs) # bindcheck: ignore
def __init__(self, widget: Widget, text: str, side: str = 'n', **kwargs):
"""\
Parameters
----------
widget : Widget
The parent widget
text : str
The tooltip text
side : str, optional (default is "n")
Which side of the parent widget to show the tooltip on
**kwargs : dict, optional (default is justify="left", padx=1, pady=1)
tkLabel Keyword Arguments for the tooltip
"""
# verify value
if side and side.lower() not in list('nsew'):
raise ValueError('<side> parameter must be '
'one of "n", "s", "e", or "w"')
# init vars
self._wgt = widget
self._side = side.lower()
kwargs.update(justify=kwargs.pop('justify', 'left'),
padx=kwargs.pop('padx', 1),
pady=kwargs.pop('pady', 1))
# create win
Toplevel.__init__(self, master=widget)
self.attributes("-alpha", 0.75)
self.overrideredirect(True)
# create lbl
self._lbl = Label(master=self, text=text, **kwargs)
self._lbl.pack()
self.update_idletasks()
self._tw = self.winfo_reqwidth()
self._th = self.winfo_reqheight()
self.withdraw()
widget.bind("<Enter>", self.enter)
widget.bind("<Leave>", self.close)
def apply_class_bindings(window: tkinter.Widget):
"""Add class level event bindings in application"""
for className in ["TEntry", "TSpinbox", "TCombobox"]:
window.bind_class(
className=className,
sequence="<Configure>",
func=on_disabled_readonly_state,
add="+"
)
for sequence in ["<Control-a>", "<Control-A>"]:
window.bind_class(
className=className,
sequence=sequence,
func=on_select_all
)
window.unbind_class("TButton", "<Key-space>")
window.bind_class("TButton", "<Key-Return>", lambda event: event.widget.invoke())
def _create_edit_menu(master: Widget) -> Menu:
menu = Menu(master, tearoff=0)
menu.add_command(label="Undo",
command=lambda: master.focus_get().edit_undo(),
underline=0,
accelerator=_KEYS["undo"][0])
menu.add_command(label="Redo",
command=lambda: master.focus_get().edit_redo(),
underline=0,
accelerator=_KEYS["redo"][0])
menu.add_separator()
menu.add_command(
label="Cut",
command=lambda: master.focus_get().event_generate("<<Cut>>"),
underline=2,
accelerator=_KEYS["cut"][0])
menu.add_command(
label="Copy",
command=lambda: master.focus_get().event_generate("<<Copy>>"),
underline=0,
accelerator=_KEYS["copy"][0])
menu.add_command(
label="Paste",
command=lambda: master.focus_get().event_generate("<<Paste>>"),
underline=0,
accelerator=_KEYS["paste"][0])
menu.add_separator()
menu.add_command(
label="Delete",
command=lambda: master.focus_get().delete(SEL_FIRST, SEL_LAST),
underline=0,
accelerator=_KEYS["delete"][0])
def before():
text = master.focus_get()
if not isinstance(text, Text):
for i in 0, 1, 3, 4, 5, 7:
menu.entryconfigure(i, state=DISABLED)
else:
menu.entryconfigure(0, state=_to_state(text.edit("canundo")))
menu.entryconfigure(1, state=_to_state(text.edit("canredo")))
has_selection = text.tag_ranges(SEL) != ()
for i in 3, 4, 7:
menu.entryconfigure(i, state=_to_state(has_selection))
try:
master.clipboard_get()
menu.entryconfigure(5, state=NORMAL)
except TclError:
menu.entryconfigure(5, state=DISABLED)
menu.configure(postcommand=before)
return menu
def _move(self):
tk_main_w = Widget.nametowidget(self, '.')
coord_x = tk_main_w.winfo_x() + 250
coord_y = tk_main_w.winfo_y() + self.__coord_y + 150
self.menu = Menu(self,
bg=config.colors["BG"],
activebackground=config.colors["TV_BG_HOVER"],
activeforeground=config.colors["FG"],
tearoff=False)
for playlist in config.user_config["Playlists"]:
if playlist != config.general["playlist"]:
#https://stackoverflow.com/questions/11723217/python-lambda-doesnt-remember-argument-in-for-loop
func_get_set_playlist = lambda playlist=playlist: self.__move(
playlist)
self.menu.add_command(label=playlist,
command=func_get_set_playlist)
self.menu.tk_popup(coord_x, coord_y)