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Prevent calendar out of screen. Fixes #100 #101

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Prevent calendar out of screen. Fixes #100 #101

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16 changes: 16 additions & 0 deletions tkcalendar/dateentry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,22 @@ def drop_down(self):
date = self.parse_date(self.get())
x = self.winfo_rootx()
y = self.winfo_rooty() + self.winfo_height()

# Adjust position if calendar toplevel goes out of screen.
# The screen area occupied by the taskbar/dock
# is currently not taken into account.
xmin = 0
xmax = self.winfo_screenwidth()
ymax = self.winfo_screenheight()
width = self._top_cal.winfo_width()
height = self._top_cal.winfo_height()
if y+height >= ymax:
y = self.winfo_rooty()-height;
if x+width >= xmax:
x = xmax-width;
elif x < xmin:
x = xmin

if self.winfo_toplevel().attributes('-topmost'):
self._top_cal.attributes('-topmost', True)
else:
Expand Down