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progress: Allow running a thread which calls its own gtk.main()

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This commit is contained in:
Cole Robinson 2010-03-03 10:51:09 -05:00
parent 1879eadf44
commit 320eb9a3e1
1 changed files with 28 additions and 16 deletions
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44
src/virtManager/asyncjob.py
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@ -27,25 +27,29 @@ import gobject
from virtManager import util from virtManager import util
# This thin wrapper only exists so we can put debugging
# code in the run() method every now & then
class asyncJobWorker(threading.Thread):
def __init__(self, callback, args):
threading.Thread.__init__(self, target=callback, args=args)
def run(self):
threading.Thread.run(self)
# Displays a progress bar while executing the "callback" method. # Displays a progress bar while executing the "callback" method.
class vmmAsyncJob(gobject.GObject): class vmmAsyncJob(gobject.GObject):
# This thin wrapper only exists so we can put debugging
# code in the run() method every now & then
class asyncJobWorker(threading.Thread):
def __init__(self, callback, args):
threading.Thread.__init__(self, target=callback, args=args)
def run(self):
threading.Thread.run(self)
def __init__(self, config, callback, args=None, def __init__(self, config, callback, args=None,
text=_("Please wait a few moments..."), text=_("Please wait a few moments..."),
title=_("Operation in progress")): title=_("Operation in progress"),
run_main=True):
self.__gobject_init__() self.__gobject_init__()
self.config = config self.config = config
self.run_main = bool(run_main)
self.window = gtk.glade.XML(config.get_glade_dir() + "/vmm-progress.glade", "vmm-progress", domain="virt-manager") self.window = gtk.glade.XML(config.get_glade_dir() + \
"/vmm-progress.glade",
"vmm-progress", domain="virt-manager")
self.window.get_widget("pbar-text").set_text(text) self.window.get_widget("pbar-text").set_text(text)
self.topwin = self.window.get_widget("vmm-progress") self.topwin = self.window.get_widget("vmm-progress")
@ -58,7 +62,7 @@ class vmmAsyncJob(gobject.GObject):
self.pbar = self.window.get_widget("pbar") self.pbar = self.window.get_widget("pbar")
args.append(self) args.append(self)
self.bg_thread = vmmAsyncJob.asyncJobWorker(callback, args) self.bg_thread = asyncJobWorker(callback, args)
self.bg_thread.setDaemon(True) self.bg_thread.setDaemon(True)
self.is_pulsing = True self.is_pulsing = True
@ -66,8 +70,13 @@ class vmmAsyncJob(gobject.GObject):
timer = util.safe_timeout_add(100, self.exit_if_necessary) timer = util.safe_timeout_add(100, self.exit_if_necessary)
self.topwin.present() self.topwin.present()
self.topwin.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH)) self.topwin.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
self.bg_thread.start()
gtk.main() if self.run_main:
self.bg_thread.start()
gtk.main()
else:
self.bg_thread.run()
gobject.source_remove(timer) gobject.source_remove(timer)
timer = 0 timer = 0
@ -135,12 +144,15 @@ class vmmAsyncJob(gobject.GObject):
return self._error_info return self._error_info
def exit_if_necessary(self, force_exit=False): def exit_if_necessary(self, force_exit=False):
if self.bg_thread.isAlive() and not force_exit: thread_active = (self.bg_thread.isAlive() or not self.run_main)
if thread_active and not force_exit:
if (self.is_pulsing): if (self.is_pulsing):
# Don't call pulse_pbar: this function is thread wrapped # Don't call pulse_pbar: this function is thread wrapped
self.pbar.pulse() self.pbar.pulse()
return True return True
else: else:
gtk.main_quit() if self.run_main:
gtk.main_quit()
return False return False