add scrollbar processing
add mount init decide to use top window to handle detour
This commit is contained in:
lizhi-rocky
@@ -73,6 +73,8 @@ row 4 | quit previous next |
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How to connect different windows? There are 2 alternatives. One is using Ids. Every window has a id, my program just sorts windows according to Ids. For example, there are 3 windows with id 1, 2, and 3. Number 1 window will be first displayed, when user clicks "next", number 2 window will be displayed. It seems reasonable, right? If it did not have the following 2 drawbacks, I would not think about the second alternative: first, id is an inborn attribute to each window, you have to decide the install sequence at the same time or before you define the window; second it is a little hard to solve the "detour" problem. The install sequence is not a straight line, but has some side road, which is called "detour" by I. For example, when in partition dividing, there may or may not be some windows for RAID setup.
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Now comes the second alternative: using names. I admit and believe that human beings like string while computers like number. Each window has a name. The install/setup sequence will be defined separately like ["welcome", "serial number", "partition dividing", "package selecting"]. For detour problem, another sequence will be defined, and some button in main sequence will open the detour sequence.
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I will just use top window to handle detour!
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3.1.2 Curses
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I have investigated several choices: urwid, pycdk, and python+dialog. Some is a little complicated and error-prone: urwid. Some has few documents: pycdk. Finally, I chose python+dialog. It is simple, and workable. I like the demo.py in it very much. It demonstrates excellent programming skills.
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The curses interface will be simple and terse. It will only include the changing part in GUI interface(row 2).
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@@ -4,6 +4,7 @@
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import ri_tk as display
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import ri_seq
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import ri_widget
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import re
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def quit():
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''' correspond to quit button '''
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@@ -37,3 +38,22 @@ def serial_no_init():
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def serial_no_quit():
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v = display.var_dict['serial_no.number'].get()
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def mount_list_init():
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''' initialize mount list '''
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f = file('/proc/partitions', 'r')
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pattern = re.compile(r'''
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\s*\d+ # major dev number
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\s*\d+ # minor dev number
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\s*\d+ # blocks
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\s*(\w+\d) # name
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\s*$''', re.VERBOSE)
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s = []
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while True:
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l = f.readline()
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if not l:
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break
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res = pattern.search(l)
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if res:
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s.append(res.groups()[0])
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display.var_dict['mount.list'].set(value='\n'.join(s))
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@@ -5,6 +5,7 @@ import Tkinter
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import tkMessageBox
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import sys
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import ri_cmd
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import ri_widget
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var_dict={}
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@@ -18,6 +19,8 @@ def init(base_w):
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root_window.rowconfigure(0, weight=1)
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root_window.geometry("%sx%s+0+0" %(root_window.winfo_screenwidth(),root_window.winfo_screenheight()))
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# bind WM_DELETE_WINDOW
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root_window.protocol("WM_DELETE_WINDOW", root_window.quit)
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global base_widget
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base_widget = create_widget_sub(base_w, root_window)
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@@ -86,6 +89,22 @@ def create_widget_sub(w, p_win):
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cf_func = getattr(w_win, cf[0])
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cf_func( cf[1], weight=cf[2])
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# handle scroll bar for sub_widgets
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if 'action' in dir(w):
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# ing for scrolling, ed for scrolled
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for ing, ed in w.action.scrolls:
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ing_win = w.dict[ing].tk_widget
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ed_win = w.dict[ed].tk_widget
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if ing_win['orient'] == 'vertical':
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ed_cmd_name = 'yscrollcommand'
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ing_cmd = getattr(ed_win, 'yview')
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else:
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ed_cmd_name = 'xscrollcommand'
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ing_cmd = getattr(ed_win, 'xview')
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ing_win.configure(command=ing_cmd)
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ed_win[ed_cmd_name]=ing_win.set
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# grid location
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if 'grid_location' in dir(w):
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w_win.grid(w.grid_location.dict)
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@@ -32,6 +32,10 @@ class Action:
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self.dict={}
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for a in xml_node.attributes.values():
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self.dict[a.name] = a.value
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self.scrolls = []
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for node in xml_node.childNodes:
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if node.nodeName == 'scroll':
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self.scrolls.append((node.attributes['scrolling'].value, node.attributes['scrolled'].value))
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class Widget:
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''' implement widget in interface xml '''
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@@ -1,17 +1,11 @@
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<?xml version='1.0' encoding='UTF-8'?>
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<install>
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<serial-number>123456789012</serial-number>
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<partition device="/dev/hda1" boot="no" type="primary" id="5" size="101MB"/>
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<partition device="/dev/hda2" boot="no" type="primary" id="5" size="101MB"/>
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<partition device="/dev/hda3" boot="no" type="primary" id="5" size="203MB"/>
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<partition device="/dev/hda4" boot="no" type="extended" id="5" size="9828MB"/>
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<partition device="/dev/hda5" boot="no" type="logic" id="5" size="203MB"/>
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<partition device="/dev/hda6" boot="no" type="logic" id="5" size="203MB"/>
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<partition device="/dev/hdb1" boot="no" type="primary" id="83" size="5004MB"/>
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<partition device="/dev/hdb2" boot="no" type="primary" id="82" size="800MB"/>
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<partition device="/dev/hdb3" boot="no" type="extended" id="5" size="4431MB"/>
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<partition device="/dev/hdb5" boot="no" type="logic" id="83" size="502MB"/>
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<partitions unit='sector'>
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<partition device="/dev/hda1" start='63' size='16450497' id='83'/>
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<partition device="/dev/hda2" start='16450560' size='4016250' id="5"/>
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<partition device='/dev/hda5' start='16450623' size='4016187' id='83'/>
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</partitions>
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<raid raid-device="/dev/md0" raid-type="RAID0">
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<raw-device>/dev/hda1</raw-device>
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@@ -20,24 +20,17 @@
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</define>
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<define name="partitions">
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<oneOrMore>
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<element name="partition">
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<attribute name="device"/>
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<attribute name="boot">
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<ref name="mybool"/>
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</attribute>
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<attribute name="type">
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<choice>
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<value>primary</value>
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<value>extended</value>
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<value>logic</value>
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</choice>
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</attribute>
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<attribute name="id"/>
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<attribute name="start"/>
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<attribute name="end"/>
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</element>
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</oneOrMore>
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<element name='partitions'>
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<attribute name='unit'/>
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<oneOrMore>
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<element name='partition'>
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<attribute name='device'/>
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<attribute name='start'/>
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<attribute name='size'/>
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<attribute name='id'/>
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</element>
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</oneOrMore>
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</element>
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</define>
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<define name="raids">
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@@ -80,6 +80,9 @@ on special cases -->
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<optional>
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<attribute name="textvariable"/>
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</optional>
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<optional>
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<attribute name="listvariable"/>
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</optional>
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<optional>
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<attribute name="orient">
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<choice>
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@@ -205,23 +205,64 @@ row 4 | |
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</widget>
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</widget>
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<!--
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column 0 column 1 column 2
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____________________________________________________________
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row 0 | |
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row 1 | |
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row 2 | |
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| _________ __________________________ |
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| | | | | |
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| | | | | |
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| | text | | | |
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| | | | | |
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| | | | | |
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| |_________| | | |
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| |__________________________| |
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| |
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| |
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| |
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row 3 | |
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row 4 | |
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|____________________________________________________________|
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-->
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<widget type='Frame' name='mount'>
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<grid_management rows='1' columns='3'>
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<grid_management rows='1' columns='2'>
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<configure row='0' weight='1'/>
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<configure column='0' weight='1'/>
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<configure column='1' weight='1'/>
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<configure column='2' weight='1'/>
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</grid_management>
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<grid_location row='2' column='0' columnspan='3' sticky='NSWE'/>
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<variable name='mount.list' type='StringVar'/>
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<action>
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<scroll scrolling='mount.scroll' scrolled='mount.list'/>
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</action>
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<widget type='Text'>
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<widget_attribute width='40' height='15' state='disabled'/>
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<grid_location row='0' column='0'/>
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</widget>
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<widget type='Listbox'>
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<widget_attribute width='40' height='15'/>
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<widget type='Frame'>
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<grid_management rows='1' columns='2'>
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<configure row='0' weight='1'/>
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<configure column='0' weight='1'/>
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</grid_management>
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<grid_location row='0' column='1' columnspan='2'/>
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<widget type='Listbox' name='mount.list'>
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<widget_attribute width='40' height='15' listvariable='mount.list'/>
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<grid_location row='0' column='0'/>
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<action init='mount_list_init'/>
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</widget>
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<widget type='Scrollbar' name='mount.scroll'>
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<widget_attribute orient='vertical'/>
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<grid_location row='0' column='1' sticky='NS'/>
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</widget>
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</widget>
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</widget>
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@@ -291,7 +332,6 @@ row 4 | |
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<sequence name='main'>
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<widget name='welcome'/>
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<widget name='serial_no'/>
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<widget name='partition'/>
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<widget name='mount'/>
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<widget name='network'/>
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</sequence>
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