| 1 | #!/usr/bin/python
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| 2 | #
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| 3 | # Browse a Python dictionary in a two pane graphical interface written
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| 4 | # in GTK.
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| 5 | #
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| 6 | # The GtkDictBrowser class is supposed to be generic enough to allow
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| 7 | # applications to override enough methods and produce a
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| 8 | # domain-specific browser provided the information is presented as a
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| 9 | # Python dictionary.
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| 10 | #
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| 11 | # Possible applications:
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| 12 | #
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| 13 | # - Windows registry browser
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| 14 | # - SPOOLSS printerdata browser
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| 15 | # - tdb file browser
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| 16 | #
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| 17 |
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| 18 | from gtk import *
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| 19 | import string, re
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| 20 |
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| 21 | class GtkDictBrowser:
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| 22 |
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| 23 | def __init__(self, dict):
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| 24 | self.dict = dict
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| 25 |
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| 26 | # This variable stores a list of (regexp, function) used to
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| 27 | # convert the raw value data to a displayable string.
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| 28 |
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| 29 | self.get_value_text_fns = []
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| 30 | self.get_key_text = lambda x: x
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| 31 |
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| 32 | # We can filter the list of keys displayed using a regex
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| 33 |
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| 34 | self.filter_regex = ""
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| 35 |
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| 36 | # Create and configure user interface widgets. A string argument is
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| 37 | # used to set the window title.
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| 38 |
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| 39 | def build_ui(self, title):
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| 40 | win = GtkWindow()
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| 41 | win.set_title(title)
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| 42 |
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| 43 | win.connect("destroy", mainquit)
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| 44 |
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| 45 | hpaned = GtkHPaned()
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| 46 | win.add(hpaned)
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| 47 | hpaned.set_border_width(5)
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| 48 | hpaned.show()
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| 49 |
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| 50 | vbox = GtkVBox()
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| 51 | hpaned.add1(vbox)
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| 52 | vbox.show()
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| 53 |
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| 54 | scrolled_win = GtkScrolledWindow()
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| 55 | scrolled_win.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
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| 56 | vbox.pack_start(scrolled_win)
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| 57 | scrolled_win.show()
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| 58 |
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| 59 | hbox = GtkHBox()
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| 60 | vbox.pack_end(hbox, expand = 0, padding = 5)
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| 61 | hbox.show()
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| 62 |
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| 63 | label = GtkLabel("Filter:")
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| 64 | hbox.pack_start(label, expand = 0, padding = 5)
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| 65 | label.show()
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| 66 |
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| 67 | self.entry = GtkEntry()
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| 68 | hbox.pack_end(self.entry, padding = 5)
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| 69 | self.entry.show()
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| 70 |
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| 71 | self.entry.connect("activate", self.filter_activated)
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| 72 |
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| 73 | self.list = GtkList()
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| 74 | self.list.set_selection_mode(SELECTION_MULTIPLE)
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| 75 | self.list.set_selection_mode(SELECTION_BROWSE)
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| 76 | scrolled_win.add_with_viewport(self.list)
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| 77 | self.list.show()
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| 78 |
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| 79 | self.list.connect("select_child", self.key_selected)
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| 80 |
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| 81 | scrolled_win = GtkScrolledWindow()
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| 82 | scrolled_win.set_policy(POLICY_AUTOMATIC, POLICY_AUTOMATIC)
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| 83 | hpaned.add2(scrolled_win)
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| 84 | scrolled_win.set_usize(500,400)
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| 85 | scrolled_win.show()
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| 86 |
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| 87 | self.text = GtkText()
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| 88 | self.text.set_editable(FALSE)
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| 89 | scrolled_win.add_with_viewport(self.text)
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| 90 | self.text.show()
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| 91 |
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| 92 | self.text.connect("event", self.event_handler)
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| 93 |
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| 94 | self.menu = GtkMenu()
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| 95 | self.menu.show()
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| 96 |
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| 97 | self.font = load_font("fixed")
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| 98 |
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| 99 | self.update_keylist()
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| 100 |
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| 101 | win.show()
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| 102 |
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| 103 | # Add a key to the left hand side of the user interface
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| 104 |
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| 105 | def add_key(self, key):
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| 106 | display_key = self.get_key_text(key)
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| 107 | list_item = GtkListItem(display_key)
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| 108 | list_item.set_data("raw_key", key) # Store raw key in item data
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| 109 | self.list.add(list_item)
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| 110 | list_item.show()
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| 111 |
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| 112 | # Event handler registered by build_ui()
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| 113 |
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| 114 | def event_handler(self, event, menu):
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| 115 | return FALSE
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| 116 |
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| 117 | # Set the text to appear in the right hand side of the user interface
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| 118 |
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| 119 | def set_value_text(self, item):
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| 120 |
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| 121 | # Clear old old value in text window
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| 122 |
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| 123 | self.text.delete_text(0, self.text.get_length())
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| 124 |
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| 125 | if type(item) == str:
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| 126 |
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| 127 | # The text widget has trouble inserting text containing NULL
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| 128 | # characters.
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| 129 |
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| 130 | item = string.replace(item, "\x00", ".")
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| 131 |
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| 132 | self.text.insert(self.font, None, None, item)
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| 133 |
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