def show(widget: tk.Misc, text, mouse_x, mouse_y):
"""Show the context window."""
context_label['text'] = text
window.deiconify()
window.update_idletasks()
window.lift()
# We're going to position tooltips towards the center of the main window.
# That way they don't tend to stick out, even in multi-window setups.
# To decide where to put the tooltip, we first want the center of the
# main window.
cent_x = TK_ROOT.winfo_rootx() + TK_ROOT.winfo_width() / 2
cent_y = TK_ROOT.winfo_rooty() + TK_ROOT.winfo_height() / 2
x_centered = y_centered = True
# If the widget is smaller than the context window, always center.
if widget.winfo_width() > window.winfo_width():
if cent_x > mouse_x + CENT_DIST:
# Left of center, so place right of the target
x = widget.winfo_rootx() + widget.winfo_width() + PADDING
x_centered = False
elif cent_x < mouse_x - CENT_DIST:
# Right of center, so place left of the target
x = widget.winfo_rootx() - window.winfo_width() - PADDING
x_centered = False
if widget.winfo_height() > window.winfo_height():
if cent_y > mouse_y + CENT_DIST:
# Above center, so place below target
y = widget.winfo_rooty() + widget.winfo_height() + PADDING
y_centered = False
elif cent_y < mouse_y - CENT_DIST:
# Below center, so place above target
y = widget.winfo_rooty() - window.winfo_height() - PADDING
y_centered = False
if x_centered: # Center horizontally
x = (
widget.winfo_rootx() +
(widget.winfo_width() - window.winfo_width()) // 2
)
if y_centered:
y = (
widget.winfo_rooty() +
(widget.winfo_height() - window.winfo_height()) // 2
)
# If both X and Y are centered, the tooltip will appear on top of
# the mouse and immediately hide. Offset it to fix that.
if x_centered:
if mouse_y < cent_y:
y = widget.winfo_rooty() + widget.winfo_height() + PADDING
else:
y = widget.winfo_rooty() - window.winfo_height() - PADDING
window.geometry('+{}+{}'.format(int(x), int(y)))
def bounds_from_object(obj: tk.Misc):
"""
Generate a bounding box for a widget relative to its parent which can then be used to position the highlight
or by any other position dependent action.
:param obj: a tk object
:return:
"""
obj.update_idletasks()
x1 = obj.winfo_x()
y1 = obj.winfo_y()
x2 = obj.winfo_width() + x1
y2 = obj.winfo_height() + y1
return x1, y1, x2, y2
def _show(widget: tk.Misc, mouse_x, mouse_y) -> None:
"""Show the context window."""
# noinspection PyUnresolvedReferences, PyProtectedMember
context_label['text'] = widget._bee2_tooltip_text
# noinspection PyUnresolvedReferences, PyProtectedMember
context_label['image'] = widget._bee2_tooltip_img
window.deiconify()
window.update_idletasks()
window.lift()
# We're going to position tooltips towards the center of the main window.
# That way they don't tend to stick out, even in multi-window setups.
# To decide where to put the tooltip, we first want the center of the
# main window.
cent_x = TK_ROOT.winfo_rootx() + TK_ROOT.winfo_width() / 2
cent_y = TK_ROOT.winfo_rooty() + TK_ROOT.winfo_height() / 2
x_centered = y_centered = True
# If the widget is smaller than the context window, always center.
if widget.winfo_width() > window.winfo_width():
if cent_x > mouse_x + CENT_DIST:
# Left of center, so place right of the target
x = widget.winfo_rootx() + widget.winfo_width() + PADDING
x_centered = False
elif cent_x < mouse_x - CENT_DIST:
# Right of center, so place left of the target
x = widget.winfo_rootx() - window.winfo_width() - PADDING
x_centered = False
if widget.winfo_height() > window.winfo_height():
if cent_y > mouse_y + CENT_DIST:
# Above center, so place below target
y = widget.winfo_rooty() + widget.winfo_height() + PADDING
y_centered = False
elif cent_y < mouse_y - CENT_DIST:
# Below center, so place above target
y = widget.winfo_rooty() - window.winfo_height() - PADDING
y_centered = False
if x_centered: # Center horizontally
x = (
widget.winfo_rootx() +
(widget.winfo_width() - window.winfo_width()) // 2
)
if y_centered:
y = (
widget.winfo_rooty() +
(widget.winfo_height() - window.winfo_height()) // 2
)
# If both X and Y are centered, the tooltip will appear on top of
# the mouse and immediately hide. Offset it to fix that.
if x_centered:
if mouse_y < cent_y:
y = widget.winfo_rooty() + widget.winfo_height() + PADDING
else:
y = widget.winfo_rooty() - window.winfo_height() - PADDING
window.geometry('+{}+{}'.format(int(x), int(y)))