Pmw Option Menu: control scroll mode for Pmw ScrolledText
#Pmw copyright
#Copyright 1997-1999 Telstra Corporation Limited, Australia
#Copyright 2000-2002 Really Good Software Pty Ltd, Australia
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is furnished
#to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
#INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
#PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
#HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
#OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
title = 'Pmw.ScrolledText demonstration'
# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']
import os
import Tkinter
import Pmw
class Demo:
def __init__(self, parent):
# Create the ScrolledText.
self.st = Pmw.ScrolledText(parent,
borderframe = 1,
labelpos = 'n',
label_text='test.py',
usehullsize = 1,
hull_width = 400,
hull_height = 300,
text_padx = 10,
text_pady = 10,
text_wrap='none'
)
# Create a group widget to contain the scrollmode options.
w = Pmw.Group(parent, tag_text='Scroll mode')
w.pack(side = 'bottom', padx = 5, pady = 5)
hmode = Pmw.OptionMenu(w.interior(),
labelpos = 'w',
label_text = 'Horizontal:',
items = ['none', 'static', 'dynamic'],
command = self.sethscrollmode,
menubutton_width = 8,
)
hmode.pack(side = 'left', padx = 5, pady = 5)
hmode.invoke('dynamic')
vmode = Pmw.OptionMenu(w.interior(),
labelpos = 'w',
label_text = 'Vertical:',
items = ['none', 'static', 'dynamic'],
command = self.setvscrollmode,
menubutton_width = 8,
)
vmode.pack(side = 'left', padx = 5, pady = 5)
vmode.invoke('dynamic')
buttonBox = Pmw.ButtonBox(parent)
buttonBox.pack(side = 'bottom')
buttonBox.add('yview', text = 'Show\nyview', command = self.showYView)
buttonBox.add('scroll', text = 'Page\ndown', command = self.pageDown)
buttonBox.add('center', text = 'Center', command = self.centerPage)
# Pack this last so that the buttons do not get shrunk when
# the window is resized.
self.st.pack(padx = 5, pady = 5, fill = 'both', expand = 1)
# Read this file into the text widget.
head, tail = os.path.split(sys.argv[0])
self.st.importfile(os.path.join(head,'result.txt'))
def sethscrollmode(self, tag):
self.st.configure(hscrollmode = tag)
def setvscrollmode(self, tag):
self.st.configure(vscrollmode = tag)
def showYView(self):
print self.st.yview()
def pageDown(self):
self.st.yview('scroll', 1, 'page')
def centerPage(self):
top, bottom = self.st.yview()
size = bottom - top
middle = 0.5 - size / 2
self.st.yview('moveto', middle)
######################################################################
# Create demo in root window for testing.
if __name__ == '__main__':
root = Tkinter.Tk()
Pmw.initialise(root)
root.title(title)
exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
exitButton.pack(side = 'bottom')
widget = Demo(root)
root.mainloop()
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