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#!/usr/bin/env python
# This is an example of using dynamic trees (trees where nodes are only
# calculated as they are needed) with pygtk. This particular example
# allows for the browsing of the variables in a module, allowing the
# descent into classes and modules and other objects with a __dict__
# attribute.
# If this file is run straight, it will let you browse the Gtkinter module.
from Gtkinter import *
class BrowseTreeItem(GtkTreeItem):
def __init__(self, name, dict=None, disp=None):
GtkTreeItem.__init__(self, name)
self.name = name
self.dict = dict
self.disp = disp
self.exp_id = self.connect("expand", self.sig_expand)
def init_subtree(self):
if self.dict:
self.subtree = GtkTree()
self.subtree.set_selection_mode(SELECTION_BROWSE)
self.subtree.connect("select_child", self.subsel_child)
self.set_subtree(self.subtree)
self.subtree.show()
def subsel_child(self, _t, _c):
if self.disp:
key = _c.children()[0].get()
if key == '__builtins__': # builtins includes itself
value = key
else:
value = `self.dict[key]`
self.disp.set_text(value)
def sig_select(self):
if self.disp:
self.disp.set_text(value)
def sig_expand(self, _t):
keys = self.dict.keys()
keys.sort()
for key in keys:
dict = None
try:
dict = vars(self.dict[key])
except TypeError:
pass
item = BrowseTreeItem(key, dict, self.disp)
self.subtree.append(item)
item.init_subtree()
item.show()
self.disconnect(self.exp_id)
class BrowseVariables(GtkVBox):
def __init__(self, name, dict):
GtkVBox.__init__(self)
self.set_spacing(2)
self.sw = GtkScrolledWindow()
self.sw.set_usize(300, 200)
self.sw.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
self.pack_start(self.sw)
self.sw.show()
self.disp = GtkEntry()
self.disp.set_editable(FALSE)
self.pack_start(self.disp, expand=FALSE)
self.disp.show()
self.root_tree = GtkTree()
self.sw.add(self.root_tree)
self.root_tree.show()
self.browse = BrowseTreeItem(name, dict, self.disp)
self.root_tree.append(self.browse)
self.browse.init_subtree()
self.browse.show()
class BrowseWindow(GtkWindow):
def __init__(self, name, title):
GtkWindow.__init__(self)
self.set_title("Browse Window")
box = GtkVBox()
self.add(box)
box.show()
browse = BrowseVariables('Gtkinter', vars(Gtkinter))
browse.border_width(10)
box.pack_start(browse)
browse.show()
separator = GtkHSeparator()
box.pack_start(separator, expand=FALSE)
separator.show()
box2 = GtkVBox(spacing=10)
box2.border_width(10)
box.pack_start(box2, expand=FALSE)
box2.show()
button = GtkButton("Close")
box2.pack_start(button)
button.set_flags(CAN_DEFAULT)
button.grab_default()
button.show()
self.close_button = button
if __name__ == '__main__':
import Gtkinter
win = BrowseWindow('Gtkinter', vars(Gtkinter))
win.set_title("Browse Gtkinter")
win.connect("destroy", mainquit)
win.connect("delete_event", mainquit)
win.close_button.connect("clicked", mainquit)
win.show()
mainloop()
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