/b-gtk/fix-viz

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Viewing changes to lock.py

  • Committer: Curtis Hovey
  • Date: 2011-08-12 20:25:28 UTC
  • mto: This revision was merged to the branch mainline in revision 741.
  • Revision ID: sinzui.is@verizon.net-20110812202528-4xf4a2t23urx50d2
Updated gst to gtk3.

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Lines of Context:
lock.py
 
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from gi.repository import GObject
 
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from gi.repository import Gtk
 
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RESPONSE_BREAK = 0
 
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RESPONSE_CANCEL = Gtk.ResponseType.CANCEL
 
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READ = "read"
 
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WRITE = "write"
 
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def acquire(branch, lock_type):
 
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    if branch.get_physical_lock_status():
 
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        dialog = LockDialog(branch)
 
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        response = dialog.run()
 
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        dialog.destroy()
 
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        if response == RESPONSE_BREAK:
 
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            branch.break_lock()
 
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        else:
 
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            return False
 
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    if lock_type == READ:
 
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        branch.lock_read()
 
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    elif lock_type == WRITE:
 
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        branch.lock_write()
 
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    return True
 
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def release(branch):
 
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    if branch.get_physical_lock_status():
 
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        dialog = LockDialog(branch)
 
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        response = dialog.run()
 
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        dialog.destroy()
 
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        if response == RESPONSE_BREAK:
 
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            branch.break_lock()
 
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        elif response == RESPONSE_CANCEL:
 
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            return False
 
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    branch.unlock()
 
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    return True
 
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class LockDialog(Gtk.Dialog):
 
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    def __init__(self, branch):
 
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        GObject.GObject.__init__(self)
 
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        self.branch = branch
 
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        self.set_title('Lock Not Held')
 
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        self.vbox.add(Gtk.Label(label='This operation cannot be completed as ' \
 
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                                'another application has locked the branch.'))
 
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        self.add_button('Break Lock', RESPONSE_BREAK)
 
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        self.add_button(Gtk.STOCK_CANCEL, RESPONSE_CANCEL)
 
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        self.vbox.show_all()