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Old 12-25-2004, 06:23 AM   #1
ganja_guru
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gtk apps sluggish in kde


i have a pretty decent config and have tweaked the shite out of everything possible...running slackware 10.0, kde 3.3.2 and dropline-gnome 2.8.0...i use kde most of the time, and qt apps are pretty snappy, but gtk based apps(firefox,thuhderbird,azureus,gaim...) take a while to load and things like tab switching in firefox exhibits visible 'drawing' when i switch tabs...gtk just doesnt feel snappy in kde...(firefox,TB take abt 6-10 seconds to load...but the slow drawing problem is a bigger PITA)

my config anyway:
kernel 2.6.9mm1
athlon xp 2400
geforce ti 4600
1 GB DDR Ram

things like hdparm and stuff have been tweaked to enable DMA..blah blah...and the kernel has been recompiled to suit my system requirements..

so once again...how do i make gtk apps speed up in kde?
 
Old 12-25-2004, 10:32 AM   #2
ganja_guru
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anyone?
 
Old 12-25-2004, 01:21 PM   #3
fenderman11111
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The simple answer: When you load up KDE it also loads the libraries and such for QT (the KDE interface stuff) so programs won't take years to load up. GTK stuff is going to take a little while to load up because the GTK libs aren't in memory, KDE has to open that stuff up every time you run a GTK app. If you ran gnome you would run into the same problem with KDE apps.

i think that's right, someone correct me if I'm wrong.
 
Old 12-25-2004, 02:33 PM   #4
ganja_guru
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yes i know that...but why should gtk apps behave sluggish even AFTER theyve been loaded...like i said i dont care much about improving loading time....i just want to increase the responsiveness if its possible...
 
Old 12-25-2004, 06:37 PM   #5
ganja_guru
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oh and am using the gtk-qt engine from www.kde-look.org ..maybe the sluggishness is cause of dropline gnome?

Last edited by ganja_guru; 12-26-2004 at 06:13 AM.
 
Old 12-26-2004, 06:26 AM   #6
ganja_guru
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hmm....im beginning to wonder if im the only one having the problem...i tried yoper and suse a while back and they werent that bad..is it a slackware specific thing?
 
Old 12-26-2004, 08:03 AM   #7
ganja_guru
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oh and fyi im running the latest gtk+-1.2.10 /gtk+-2.6.0...compiled from source..
 
Old 12-26-2004, 10:57 AM   #8
ganja_guru
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looks like im talking to myself...anyway i read somewhere that freedesktop.org has a partial workaround to this ....does anyone know what it is?
 
Old 12-26-2004, 12:44 PM   #9
ganja_guru
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i did some research ..if i do a

export GDK_USE_XFT=0

and then open any GTK app things seem much smoother...BUT..it looks like crap cause of the shitty fonts(anti-aliasing off :-(

any suggestions?
 
Old 12-26-2004, 01:23 PM   #10
Proud
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Have you got the latest graphics card drivers installed ok? Have you tried the default gtk engine if that gtk-qt one isnt?
 
Old 12-26-2004, 07:27 PM   #11
ganja_guru
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yeah...latest and best nvidia drivers..default theme doesnt make a difference...and when i start the gnome-theme-manager i get the following output..anyone know what it means...

varun@AcharyaX:~$ gnome-theme-manager
*** attempt to put segment in horiz list twice

(gnome-theme-manager:27807): Gdk-CRITICAL **: gdk_pixbuf_get_from_drawable: assertion `gdk_window_is_viewable (src)' failed

(gnome-theme-manager:27807): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_n_channels: assertion `pixbuf != NULL' failed

(gnome-theme-manager:27807): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_bits_per_sample: assertion `pixbuf != NULL' failed

(gnome-theme-manager:27807): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `pixbuf != NULL' failed

(gnome-theme-manager:27807): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `pixbuf != NULL' failed

(gnome-theme-manager:27807): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_rowstride: assertion `pixbuf != NULL' failed

(gnome-theme-manager:27807): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed

(gnome-theme-manager:27807): Gdk-CRITICAL **: gdk_pixbuf_get_from_drawable: assertion `gdk_window_is_viewable (src)' failed


....and so on...

anyone know what this crap means?
 
Old 12-27-2004, 08:26 PM   #12
ganja_guru
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bump
 
Old 12-28-2004, 05:27 AM   #13
ganja_guru
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update: minor performance boost on installing glibmm and gtkmm...is it because "gtkmm is the official C++ interface for the popular GUI library GTK+."

my reasoning is that since qt is written in C++ and GTK in C, the "official C++ interface for the popular GUI library GTK+." should do something good right?

or am i high?anyway the speed diff is mild and am still looking for better ways to tackle the problem
 
Old 12-29-2004, 05:29 AM   #14
rollo
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Question Yep, anyone got solutions to this?

You're not talking to yourself, I have exactly the same problem - see my thread at http://www.linuxquestions.org/questi...hreadid=254820

As a complete non-techie I can't really offer any solutions, and I kinda gave up on it after no-one came up with anything.

Anyone......?
 
Old 12-30-2004, 08:28 AM   #15
ganja_guru
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this annoyance is kinda like the black mark for linux in my head...when anyone comes up to me and asks 'what do u think about linux?' ....i say 'amazing,awesome...blah blah'....but in the back of my mind 'if it werent for those ^%%&%% GTK apps ...grrr..'


just tried firefox on my moms laptop(p3 1ghz, win xp) and its still faster than firefox on my box :-(
 
  


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