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more work on progress dialog.

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svn: r8131
This commit is contained in:
Richard Taylor 2007-02-16 20:06:11 +00:00
parent 73344ccb1c
commit b49ef36e5d
2 changed files with 63 additions and 46 deletions
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3
ChangeLog
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@ -1,3 +1,6 @@
2007-02-16 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/ProgressDialog.py: more work on progress dialog
2007-02-16 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/GrampsDb/__init__.py: add prototype progress dialog
* src/GrampsDb/_LongOpStatus.py: add prototype progress dialog

106
src/ProgressDialog.py
View File

@ -6,16 +6,60 @@ long running operations.
import gtk
class _GtkProgressBar(object):
class _GtkProgressBar(gtk.VBox):
"""This is just a structure to hold the visual elements of a
progress indicator."""
def __init__(self):
self.pbar = None
self.label = None
self.pbar_max = 0
self.pbar_index = 0.0
self.old_val = -1
def __init__(self, long_op_status):
gtk.VBox.__init__(self)
msg = long_op_status.get_msg()
self._old_val = -1
self._lbl = gtk.Label(msg)
self._lbl.set_use_markup(True)
self.set_border_width(24)
self._pbar = gtk.ProgressBar()
self._hbox = gtk.HBox()
if long_op_status.can_cancel():
self._cancel = gtk.Button(stock=gtk.STOCK_CANCEL)
self._cancel.connect("clicked",
lambda x: long_op_status.cancel())
self._hbox.pack_end(self._cancel)
self._hbox.pack_start(self._pbar)
self.pack_start(self._lbl, expand=False, fill=False)
self.pack_start(self._hbox, expand=False, fill=False)
if msg == '':
self._lbl.hide()
self._pbar_max = (long_op_status.get_total_steps()/
long_op_status.get_interval())
self._pbar_index = 0.0
self._pbar.set_fraction((float(long_op_status.get_total_steps())/
(float(long_op_status.get_interval())))/
100.0)
#self._lbl.show()
#self._pbar.show()
self.show_all()
def step(self):
self._pbar_index = self._pbar_index + 1.0
if self._pbar_index > self._pbar_max:
self._pbar_index = self._pbar_max
try:
val = int(100*self._pbar_index/self._pbar_max)
except ZeroDivisionError:
val = 0
if val != self._old_val:
self._pbar.set_text("%d%%" % val)
self._pbar.set_fraction(val/100.0)
self._pbar.old_val = val
class _GtkProgressDialog(gtk.Dialog):
"""A gtk window to display the status of a long running
@ -39,25 +83,9 @@ class _GtkProgressDialog(gtk.Dialog):
def add(self,long_op_status):
# Create a new progress bar
pbar = _GtkProgressBar()
pbar.lbl = gtk.Label(long_op_status.get_msg())
pbar.lbl.set_use_markup(True)
self.vbox.set_border_width(24)
pbar.pbar = gtk.ProgressBar()
pbar = _GtkProgressBar(long_op_status)
self.vbox.pack_start(pbar.lbl, expand=False, fill=False)
self.vbox.pack_start(pbar.pbar, expand=False, fill=False)
if long_op_status.get_msg() == '':
pbar.lbl.hide()
pbar.pbar_max = (long_op_status.get_total_steps()/
long_op_status.get_interval())
pbar.pbar_index = 0.0
pbar.pbar.set_fraction((float(long_op_status.get_total_steps())/
(float(long_op_status.get_interval())))/
100.0)
pbar.lbl.show()
pbar.pbar.show()
self.vbox.pack_start(pbar, expand=False, fill=False)
self.resize_children()
self.process_events()
@ -67,31 +95,14 @@ class _GtkProgressDialog(gtk.Dialog):
def remove(self, pbar_idx):
pbar = self._progress_bars[pbar_idx]
self.vbox.remove(pbar.pbar)
self.vbox.remove(pbar.lbl)
self.vbox.remove(pbar)
del self._progress_bars[pbar_idx]
def step(self, pbar_idx):
"""Click the progress bar over to the next value. Be paranoid
and insure that it doesn't go over 100%."""
pbar = self._progress_bars[pbar_idx]
pbar.pbar_index = pbar.pbar_index + 1.0
if pbar.pbar_index > pbar.pbar_max:
pbar.pbar_index = pbar.pbar_max
try:
val = int(100*pbar.pbar_index/pbar.pbar_max)
except ZeroDivisionError:
val = 0
if val != pbar.old_val:
pbar.pbar.set_text("%d%%" % val)
pbar.pbar.set_fraction(val/100.0)
pbar.old_val = val
self._progress_bars[pbar_idx].step()
self.process_events()
def process_events(self):
@ -106,7 +117,7 @@ class _GtkProgressDialog(gtk.Dialog):
gtk.Dialog.hide(self)
self.process_events()
def warn(self):
def warn(self,x,y):
return True
def close(self):
@ -213,9 +224,12 @@ if __name__ == '__main__':
for i in xrange(0, 99):
time.sleep(0.1)
if i == 30:
t = LongOpStatus("doing a shorter one", 100, 10)
t = LongOpStatus("doing a shorter one", 100, 10,
can_cancel=True)
d.add_op(t)
for j in xrange(0, 99):
if t.should_cancel():
break
time.sleep(0.1)
t.heartbeat()
t.end()