Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / lib / python2.4 / site-packages / Pmw / Pmw_1_2 / demos / ScrolledFrame.py

title = 'Pmw.ScrolledFrame demonstration'

# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']

import Tkinter
import Pmw

class Demo:
   def __init__(self, parent):
       # Create the ScrolledFrame.
       self.sf = Pmw.ScrolledFrame(parent,
               labelpos = 'n', label_text = 'ScrolledFrame',
               usehullsize = 1,
               hull_width = 400,
               hull_height = 220,
       )

       # Create a group widget to contain the flex options.
       w = Pmw.Group(parent, tag_text='Flex')
       w.pack(side = 'bottom', padx = 5, pady = 3)

       hflex = Pmw.OptionMenu(w.interior(),
               labelpos = 'w',
               label_text = 'Horizontal:',
               items = ['fixed', 'expand', 'shrink', 'elastic'],
               command = self.sethflex,
               menubutton_width = 8,
       )
       hflex.pack(side = 'left', padx = 5, pady = 3)
       hflex.invoke('fixed')

       vflex = Pmw.OptionMenu(w.interior(),
               labelpos = 'w',
               label_text = 'Vertical:',
               items = ['fixed', 'expand', 'shrink', 'elastic'],
               command = self.setvflex,
               menubutton_width = 8,
       )
       vflex.pack(side = 'left', padx = 5, pady = 3)
       vflex.invoke('fixed')

       # Create a group widget to contain the scrollmode options.
       w = Pmw.Group(parent, tag_text='Scroll mode')
       w.pack(side = 'bottom', padx = 5, pady = 0)

       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 = 3)
       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 = 3)
       vmode.invoke('dynamic')

       self.radio = Pmw.RadioSelect(parent, selectmode = 'multiple',
           command = self.radioSelected)
       self.radio.add('center', text = 'Keep centered vertically')
       self.radio.pack(side = 'bottom')

       buttonBox = Pmw.ButtonBox(parent)
       buttonBox.pack(side = 'bottom')
       buttonBox.add('add', text = 'Add a button', command = self.addButton)
       buttonBox.add('yview', text = 'Show yview', command = self.showYView)
       buttonBox.add('scroll', text = 'Page down', command = self.pageDown)

       # Pack this last so that the buttons do not get shrunk when
       # the window is resized.
       self.sf.pack(padx = 5, pady = 3, fill = 'both', expand = 1)

       self.frame = self.sf.interior()

       self.row = 0
       self.col = 0

       for count in range(15):
           self.addButton()

   def sethscrollmode(self, tag):
       self.sf.configure(hscrollmode = tag)

   def setvscrollmode(self, tag):
       self.sf.configure(vscrollmode = tag)

   def sethflex(self, tag):
       self.sf.configure(horizflex = tag)

   def setvflex(self, tag):
       self.sf.configure(vertflex = tag)

   def addButton(self):
       button = Tkinter.Button(self.frame,
           text = '(%d,%d)' % (self.col, self.row))
       button.grid(row = self.row, column = self.col, sticky = 'nsew')

       self.frame.grid_rowconfigure(self.row, weight = 1)
       self.frame.grid_columnconfigure(self.col, weight = 1)
       if self.sf.cget('horizflex') == 'expand' or \
               self.sf.cget('vertflex') == 'expand':
           self.sf.reposition()

       if 'center' in self.radio.getcurselection():
           self.sf.update_idletasks()
           self.centerPage()

       if self.col == self.row:
           self.col = 0
           self.row = self.row + 1
       else:
           self.col = self.col + 1

   def showYView(self):
       print self.sf.yview()

   def pageDown(self):
       self.sf.yview('scroll', 1, 'page')

   def radioSelected(self, name, state):
       if state:
           self.centerPage()

   def centerPage(self):
       # Example of how to use the yview() method of Pmw.ScrolledFrame.
       top, bottom = self.sf.yview()
       size = bottom - top
       middle = 0.5 - size / 2
       self.sf.yview('moveto', middle)

######################################################################

# Create demo in root window for testing.
if __name__ == '__main__': 
   import os
   if os.name == 'nt':
       size = 16
   else:
       size = 12
   root = Tkinter.Tk()
   Pmw.initialise(root, size = size, fontScheme = 'pmw2')
   root.title(title)

   exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
   exitButton.pack(side = 'bottom')
   widget = Demo(root)
   root.mainloop()