Rate limit pulse() calls to ProgressWindow.

Make the pulsed progress windows only pulse but so quickly.  The net
effect is that the filesystem creation progress window now slides back
and forth (albeit with a little much punctuation) rather than blindingly
oscillating at breakneck speed.

1 files changed, 13 insertions, 4 deletions

diff --git a/gui.py b/gui.py
index 2c5fa9a8d..ad71dc1fc 100755
--- a/gui.py
+++ b/gui.py
@@ -487,7 +487,7 @@ class ProgressWindow:
             self.window.set_modal(True)            
         self.window.set_title (title)
         self.window.set_position (gtk.WIN_POS_CENTER)
-        self.lastUpdate = int(time.time())
+        self.lastUpdate = time.time()
         self.updsecs = updsecs
         box = gtk.VBox (False, 5)
         box.set_border_width (10)
@@ -511,9 +511,18 @@ class ProgressWindow:
         processEvents()
 
     def pulse(self):
+        then = self.lastUpdate
+        now = time.time()
+        delta = now-then
+        if delta < 0.01:
+            return
         self.progress.set_pulse_step(self.updpct)
-        self.progress.pulse()
-        processEvents()
+        self.lastUpdate = now
+        # if we've had a largish gap, some smoothing does actually help.
+        while delta > 0:
+            self.progress.pulse()
+            processEvents()
+            delta -= 0.05
 
     def set (self, amount):
         # only update widget if we've changed by 5% or our timeout has
@@ -521,7 +530,7 @@ class ProgressWindow:
         curval = self.progress.get_fraction()
         newval = float (amount) / self.total
         then = self.lastUpdate
-        now = int(time.time())
+        now = time.time()
         if newval < 0.998:
             if ((newval - curval) < self.updpct and (now-then) < self.updsecs):
                 return