# Sample extension: zoom a window to maximum height

import re
import sys

from idlelib import macosxSupport

class ZoomHeight:

menudefs = [
('windows', [
('_Zoom Height', '<<zoom-height>>'),
])
]

def __init__(self, editwin):
self.editwin = editwin

def zoom_height_event(self, event):
top = self.editwin.top
zoom_height(top)

def zoom_height(top):
geom = top.wm_geometry()
m = re.match(r"(\d+)x(\d+)\+(-?\d+)\+(-?\d+)", geom)
if not m:
top.bell()
return
width, height, x, y = map(int, m.groups())
newheight = top.winfo_screenheight()
if sys.platform == 'win32':
newy = 0
newheight = newheight - 72

elif macosxSupport.isAquaTk():
# The '88' below is a magic number that avoids placing the bottom
# of the window below the panel on my machine. I don't know how
# to calculate the correct value for this with tkinter.
newy = 22
newheight = newheight - newy - 88

else:
#newy = 24
newy = 0
#newheight = newheight - 96
newheight = newheight - 88
if height >= newheight:
newgeom = ""
else:
newgeom = "%dx%d+%d+%d" % (width, newheight, x, newy)
top.wm_geometry(newgeom)