icewm-devel

[ icewm-Feature Requests-1052961 ] Preload the menu.

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Feature Requests item #1052961, was opened at 2004-10-23 19:32
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Category: taskbar2
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Martin C (martinc_sf)
Assigned to: Nobody/Anonymous (nobody)
Summary: Preload the menu.

Initial Comment:
It would be nice to add the posibility of preload the
menu at start. In that way, the first click on the menu
is gonna be very fast, without having to load all the
icons.

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[ icewm-Feature Requests-1052961 ] Preload the menu.

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Feature Requests item #1052961, was opened at 2004-10-23 22:32
Message generated for change (Comment added) made by covexx
You can respond by visiting: 
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Category: taskbar2
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Martin C (martinc_sf)
Assigned to: Nobody/Anonymous (nobody)
Summary: Preload the menu.

Initial Comment:
It would be nice to add the posibility of preload the
menu at start. In that way, the first click on the menu
is gonna be very fast, without having to load all the
icons.

----------------------------------------------------------------------

Comment By: Adam Pribyl (covexx)
Date: 2004-10-24 08:58

Message:
Logged In: YES 
user_id=607018

Dupe RFE #695779

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You can respond by visiting: 
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[ icewm-Feature Requests-1052961 ] Preload the menu.

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Feature Requests item #1052961, was opened at 2004-10-24 00:32
Message generated for change (Comment added) made by jerome_31
You can respond by visiting: 
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Please note that this message will contain a full copy of the comment thread,
including the initial issue submission, for this request,
not just the latest update.
Category: taskbar2
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Martin C (martinc_sf)
Assigned to: Nobody/Anonymous (nobody)
Summary: Preload the menu.

Initial Comment:
It would be nice to add the posibility of preload the
menu at start. In that way, the first click on the menu
is gonna be very fast, without having to load all the
icons.

----------------------------------------------------------------------

Comment By: Jerome (jerome_31)
Date: 2005-12-10 12:36

Message:
Logged In: YES 
user_id=1401279

More generally, it could be good to lasily preload the files
which are assumed to be loaded after the startup.


I made it for me. But maybe it could be added to the default
user startup file.


~/.icewm/startup:
---
#!/bin/sh
(nice -n 40 ~/.icewm/preload > /dev/null) &
---


~/.icewm/preload:
---
#!/bin/sh
# preload lazily in cache some files
# which are assumed to be read
# after startup

is_enough_memory() {
        ((`grep -m 1 -i MemFree /proc/meminfo|awk '{print
$2}'` > 8192))
}

load_in_cache() {
        echo load $1
        head --bytes 1m $1 > /dev/null
}

typeset -i preloading_stopped=0

# target files of the toolbar
for i in `grep '^prog' ~/.icewm/toolbar|awk '{print $4}'`; do {
        sleep .5
        if is_enough_memory; then {
                load_in_cache `which $i`
        } else {
                preloading_stopped=1
                break
        } fi
} done

# images of the menu
if !((preloading_stopped)); then {
        sleep .5
        if is_enough_memory; then {
                for i in `grep '^menu' ~/.icewm/menu|sed
's,^menu \.*\,,'|sed 's, {$,,'|sort|uniq`; do {
                        load_in_cache $i
                } done
        } else {
                preloading_stopped=1
        } fi
} fi

if ((preloading_stopped)); then {
        echo 'not enough free memory : preloading stopped'
} fi
---

----------------------------------------------------------------------

Comment By: Adam Pribyl (covexx)
Date: 2004-10-24 10:58

Message:
Logged In: YES 
user_id=607018

Dupe RFE #695779

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=350031&aid=1052961&group_id=31