Mega Code Archive

Pmw ScrolledFrame

#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.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()