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Editing: DirList.py
# -*-mode: python; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- # # $Id$ # # Tix Demonstration Program # # This sample program is structured in such a way so that it can be # executed from the Tix demo program "tixwidgets.py": it must have a # procedure called "RunSample". It should also have the "if" statment # at the end of this file so that it can be run as a standalone # program using tixwish. # This file demonstrates the use of the tixDirList widget -- you can # use it for the user to select a directory. For example, an installation # program can use the tixDirList widget to ask the user to select the # installation directory for an application. # import Tix, os, copy from Tkconstants import * TCL_ALL_EVENTS = 0 def RunSample (root): dirlist = DemoDirList(root) dirlist.mainloop() dirlist.destroy() class DemoDirList: def __init__(self, w): self.root = w self.exit = -1 z = w.winfo_toplevel() z.wm_protocol("WM_DELETE_WINDOW", lambda self=self: self.quitcmd()) # Create the tixDirList and the tixLabelEntry widgets on the on the top # of the dialog box # bg = root.tk.eval('tix option get bg') # adding bg=bg crashes Windows pythonw tk8.3.3 Python 2.1.0 top = Tix.Frame( w, relief=RAISED, bd=1) # Create the DirList widget. By default it will show the current # directory # # top.dir = Tix.DirList(top) top.dir.hlist['width'] = 40 # When the user presses the ".." button, the selected directory # is "transferred" into the entry widget # top.btn = Tix.Button(top, text = " >> ", pady = 0) # We use a LabelEntry to hold the installation directory. The user # can choose from the DirList widget, or he can type in the directory # manually # top.ent = Tix.LabelEntry(top, label="Installation Directory:", labelside = 'top', options = ''' entry.width 40 label.anchor w ''') font = self.root.tk.eval('tix option get fixed_font') # font = self.root.master.tix_option_get('fixed_font') top.ent.entry['font'] = font self.dlist_dir = copy.copy(os.curdir) # This should work setting the entry's textvariable top.ent.entry['textvariable'] = self.dlist_dir top.btn['command'] = lambda dir=top.dir, ent=top.ent, self=self: \ self.copy_name(dir,ent) # top.ent.entry.insert(0,'tix'+repr(self)) top.ent.entry.bind('<Return>', lambda self=self: self.okcmd () ) top.pack( expand='yes', fill='both', side=TOP) top.dir.pack( expand=1, fill=BOTH, padx=4, pady=4, side=LEFT) top.btn.pack( anchor='s', padx=4, pady=4, side=LEFT) top.ent.pack( expand=1, fill=X, anchor='s', padx=4, pady=4, side=LEFT) # Use a ButtonBox to hold the buttons. # box = Tix.ButtonBox (w, orientation='horizontal') box.add ('ok', text='Ok', underline=0, width=6, command = lambda self=self: self.okcmd () ) box.add ('cancel', text='Cancel', underline=0, width=6, command = lambda self=self: self.quitcmd () ) box.pack( anchor='s', fill='x', side=BOTTOM) def copy_name (self, dir, ent): # This should work as it is the entry's textvariable self.dlist_dir = dir.cget('value') # but it isn't so I'll do it manually ent.entry.delete(0,'end') ent.entry.insert(0, self.dlist_dir) def okcmd (self): # tixDemo:Status "You have selected the directory" + self.dlist_dir self.quitcmd() def quitcmd (self): self.exit = 0 def mainloop(self): while self.exit < 0: self.root.tk.dooneevent(TCL_ALL_EVENTS) def destroy (self): self.root.destroy() # This "if" statement makes it possible to run this script file inside or # outside of the main demo program "tixwidgets.py". # if __name__== '__main__' : import tkMessageBox, traceback try: root=Tix.Tk() RunSample(root) except: t, v, tb = sys.exc_info() text = "Error running the demo script:\n" for line in traceback.format_exception(t,v,tb): text = text + line + '\n' d = tkMessageBox.showerror ( 'Tix Demo Error', text)
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