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Bug 75432 - Huge regression of UI Responsiveness of Menus in last NB 5.5 builds
Summary: Huge regression of UI Responsiveness of Menus in last NB 5.5 builds
Status: CLOSED FIXED
Alias: None
Product: ide
Classification: Unclassified
Component: Performance (show other bugs)
Version: 3.x
Hardware: All All
: P1 blocker (vote)
Assignee: issues@performance
URL:
Keywords: REGRESSION
Depends on:
Blocks:
 
Reported: 2006-04-24 16:47 UTC by Marian Mirilovic
Modified: 2011-05-25 11:37 UTC (History)
1 user (show)

See Also:
Issue Type: DEFECT
Exception Reporter:

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Description Marian Mirilovic 2006-04-24 16:47:22 UTC 
We are measuring regression on Main menus these days. 
It rised between builds  200604200200 & 200604210200, I think the welcome screen
is again the root of all these problems, as you can see in the log :

<event diff="1016" name="DONE PAINTING" time="1145867820437" type="TRACK_PAINT"/>
<event diff="1016" name="addDirtyRegion
org.netbeans.modules.welcome.content.DefaultContentPane, 0,0,608,521"
time="1145867820437" type="TRACK_APPLICATION_MESSAGE"/>
<event diff="1016" name="addDirtyRegion
org.netbeans.modules.welcome.content.WebLink, 0,0,289,17" time="1145867820437"
type="TRACK_APPLICATION_MESSAGE"/>
<event diff="1125" name="DONE PAINTING" time="1145867820546" type="TRACK_PAINT"/>


There is additional paint of the
org.netbeans.modules.welcome.content.DefaultContentPane &
org.netbeans.modules.welcome.content.WebLink
after showing the menu.

First usage growth only for Windows & Help menus, probably because they are
opened over the Welcome Screen, but why rised subsequent values of all menus?
Comment 1 Marian Mirilovic 2006-04-24 16:55:31 UTC 
Probably question for Standa:
Why is the whole Welcome Screen repainted again and again .. :
File main menu ...
- mouse pressed
- painted whole menu <- we measured this time before new Welcome Screen
- mouse released
- painted 
org.netbeans.modules.welcome.content.WebLink, 0,0,289,17
org.netbeans.modules.welcome.content.DefaultContentPane, 0,0,608,521
   <- now we are measuring this paint event

Standa?
Comment 2 Stanislav Aubrecht 2006-04-25 11:46:16 UTC 
the welcome page loads rss feeds in two background threads. when the loading is
finished it displays the feed contents and requests input focus for the first
link in articles&news section.
so when you activate the menu the input focus is transfered from welcome page to
menu and when you're finished with the menu the focus returns back to the
welcome page hence forcing a repaint event.
Comment 3 Marian Mirilovic 2006-04-25 12:52:21 UTC 
Well, we are closing Welcome Screen as a part of Prepare IDE ...
Comment 4 Marian Mirilovic 2006-04-28 14:17:46 UTC 
verified/closed