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System & Utilities

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Hans Chen (Mogger): Hide window border for maximized windows

System & Utilities

Work with Userbase is progressing nicely. I wrote some suggestions based on user feedback and my own opinions, and a few days ago there was a small discussion about the future of Userbase on IRC.

However, this post isn’t about Userbase – I hope I’ll find some time to summarize the plans for the wiki here in a few days. Today I want to share another tip that I’ve found and need to remember to add to Userbase: Borderless Maximized Windows.

This option is very useful for devices with small screens, such as netbooks, to give slightly more space to your applications. If enabled, the window border will hide automatically when you maximize a window (and vice versa when unmaximized).

If I remember correctly, this feature was introduced in KDE Software Compilation 4.5 for the Plasma Netbook workspace, where it’s enabled by default. Here’s a short screencast demonstration (what, not an animated GIF!?):

Note that I used double click to maximize the windows. This is configurable in System Settings


  
Подробнее | Разместил: Planet KDE | Дата: 01.04.2010 | Прочитано: 415 | Комментарии

Paul Adams: Akademy At Lightning Pace

System & Utilities

Firstly, a gentle reminder that the deadline for the Akademy CfP is looming. If you have something to talk about and you think it might be of interest to KDE, submit! Next, we have made a last-minute decision to, once again, include lightning talks in Akademy. If you have a topic to talk about, but only want to talk for 7 minutes, then these talks are for you! Submission process is exactly the same as with normal talks.

Now I am not normally in the business of promising “jam tomorrow”, but I am promising pretty pictures. The run of visualisations for KDE SVN modules in March will be automagically processed overnight. All images related to KDE PIM development will be blogged about in the coming week. Anyone who asked for specific results to be mailed to them will receive them within the week as well.


  
Подробнее | Разместил: Planet KDE | Дата: 01.04.2010 | Прочитано: 420 | Комментарии

Aaron Seigo (aseigo): Javascript Jam Submission Deadline Today!

System & Utilities
All submissions for the Plasma Javascript Jam must be sent in by midnight tonight UTC to javascriptjam at kde dot org!


We've already received a number of submissions over the last week and one lucky developer will be walking away with a shiny new N900 of their own as a result! Submissions will be published on the 2nd, voting by the community (20% of the final score!) will start (hopefully) on the 3rd (I will post details when that happens) and winners will be announced on the 9th. Exciting times! :)

  
Подробнее | Разместил: Planet KDE | Дата: 01.04.2010 | Прочитано: 432 | Комментарии

Matthias Kretz (Vir): Rant: OpenOffice.org Impress headaches

System & Utilities Author

I currently have to create slides for a lecture. Since my Professor uses PowerPoint there are not many options how to create those slides. So far I have 40+ slides done with OpenOffice.org Impress. And OOo completely fails to impress. I have seldomly seen an application getting more in my way of working. Probably the biggest issue is performance. Waiting several seconds for the UI to become active again between every few actions is just ....

On Monday I did a few slides for a talk with vim-latexsuite + LaTeX beamer. What a joy. :-) I just have no hope of converting my Prof. to LaTeX beamer. Conversion to OOo Impress would surely be possible, but not with such a non-performing program. :-(

I just tried the latest KPresenter. But it shows completely different slides than OOo, especially the eps graphics and custom animations are a killer. And I expect that I won't have much success in collaboration with a ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 31.03.2010 | Прочитано: 444 | Комментарии

Adriaan de Groot (adridg): Freedom! (Document-wise)

System & Utilities

Today, March 31st, is Document Freedom Day. It’s a day in which we (for some fuzzy meaning of “we”, but including at least Free Software developers) stress the importance of Open document formats. Those are formats which are documented as an Open Standard, which is to say that their syntax and semantics are both described in a fashion that is available to the public and well understood. Plain text is such a format, and it works well for certain kinds of unstructured documents — stories, essays, etc. Well, assuming you know what character encoding is used and that the hardware encoding is understood as well. If you want a little more structure, then something like LaTeX can get you markup and layout and whatnot. However, LaTeX can be a terrible mess and understanding just what a given document does can’t really be decided except by running LaTeX over it and waiting for output.

A really Open document format has a standards document attached to it, one that defines exactly what the ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 31.03.2010 | Прочитано: 584 | Комментарии

Trever Fischer (tdfischer): Systemsettings Reorganization: Part II

System & Utilities

If you didn’t glean it from my call for icons, then here’s what you missed: systemsettings needs reorganizing and some better icons.

Dario Andres and Ben Cooksley have a proposal up on TechBase that goes reasonably in-depth to explore a better organization of systemsettings. Today, I spent time with a friend of mine who isn’t a power user, but an ‘average’ KDE user. I sat down with her over the period of a few hours and came up with some interesting notes while I asked her to do various tasks, comment on why she thought certain things would be in places, and generally go through every icon in the 4.4 systemsettings layout.

The way I went through things was I asked her to perform some task, and I asked questions to explain her thoughts when she seemed confused, made a quick decision, or the wrong choice. Here’s what we came up with, roughly translated from my notes:

Task: Change the screensaver

Her first move was to jump to the appearance icon and poke around ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 31.03.2010 | Прочитано: 576 | Комментарии

Kde SC 4.4.2 arrives with various bug fixes

System & Utilities

"The KDE developers have released version 4.4.2 of the KDE Software Compilation , the latest bug fix release for the popular Linux desktop.


  
Подробнее | Разместил: KDE News | Дата: 31.03.2010 | Прочитано: 425 | Комментарии

Milian Wolff (milianw): Profiling Rocks - KDevelop CMake Support now 20x faster

System & Utilities

I just need to get this out quickly:

We were aware that KDevelop’s CMake support was slow. Too slow actually. It was profiled months ago and after a quick look that turned up QRegExp, it was discarded in fear of having to rewrite the whole parser properly, without using QRegExp. Which btw. is still a good idea of course.

But well, today I felt like I should do some more tinkering. I mean I managed to optimize KDevelop’s Cpp support recently (parsing Boost’s huge generated template headers, like e.g. vector200.hpp is now 30% faster). I managed to make KGraphViewer usable for huge callgraphs I produce in Massif Visualizer. So how hard could it be to make KDevelop’s CMake at least /a bit/ faster, he?

Yeah well an hour later and two commits later, I managed to find and fix two bottlenecks. Both where related to QRegExp. Neither was the actual parser, instead it was the part that evaluated CMake files, esp. the STRING(...) function. So even if we’d used a proper parser generator, this would still ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 31.03.2010 | Прочитано: 490 | Комментарии

Abhishek Patil (_abhishek): KDE: Kate Tabify Plugin

System & Utilities

Well this was my own wish list to have normal Tab Bar in Kate.
And finally I wrote a Tab Bar Plugin – Tabify (this is for now mostly will changed it to TabBar Extension in svn later)

This is how it looks

Here is the patch and this is the “Tar” for the folder.

enjoy :)


  
Подробнее | Разместил: Planet KDE | Дата: 30.03.2010 | Прочитано: 521 | Комментарии

Adenilson Cavalcanti (Savago): jsanim: current status

System & Utilities

From my previous post about jsanim (javascript animations) where I explained the motivations about the idea, I’m writing to report the current status.

I got stuck while trying to create an instance of a javascript class from C++ side in QScriptEngine, but I was helped by khansen (you rock man!).

Being able to create an instance got to address an important issue in the first PoC: run more than 1 animation. Now each animation type will have a javascript class, where its instance will point to the animation target widget and hold the animation parameters. This design has some advantages:

  • uses a single QScriptEngine object (implemented as a singleton);
  • can run multiple animations;
  • multiple animations can access the same widget;
  • is more OOP oriented (the animation loop will call a method on the javascript class);

How fast (or slow…) is it to use QScriptEngine to animate a widget’s properties? What about a video?

Notes: it has 8 QGraphicsWidgets, 24 animation objects (zoom, fade, rotate), running in the Nokia N5800.

What is next is profiling ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 30.03.2010 | Прочитано: 504 | Комментарии

Gilles Caulier (cgilles): kipi-plugins 1.2.0 released...

System & Utilities

Dear all digiKam fans and users!

digiKam team is proud to announce Kipi-plugins 1.2.0 !

pw upload3

kipi-plugins tarball can be downloaded from SourceForge at this url

Kipi-plugins will be also available for Windows. Precompiled packages can be donwloaded with KDE-Windows installer. See KDE-Windows project for details.

See below the list of new features and bugs-fix coming with this release:

NEW FEATURES:

read more


  
Подробнее | Разместил: Planet KDE | Дата: 30.03.2010 | Прочитано: 462 | Комментарии

Sebastian Pipping (sping): Before svn2git you want to run: svneverever

System & Utilities

First: There are several tools called svn2git: this is about the svn2git of KDE up on Gitorious.

So you’re about to convert a larger SVN repository to Git, say 15,000 revisions. You check out the latest revision, run some find command or fire up a file browser to get a better view of file hierarchy in there. Then it strikes you:

  • What if the layout didn’t look like that all the time?
  • Are there any sub projects hidden in there that you want to ignore or extract to a separate repository?

You may end up using “svn ls” or something peeping in here and there not being really sure until you’ve seen it all. What a nightmare.

When converting the repository of Gentoo’s Portage I wrote a simple tool in Python to do that work for me in automated fashion: I called it svneverever.

It runs through all history collecting additions of directories. In the end it presents a tree of all directories ever having existed ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 30.03.2010 | Прочитано: 490 | Комментарии

Friedrich Kossebau (frinring): GSoC ideas I dream somebody would do…

System & Utilities

While commenting on one of the application drafts to work on UPnP (MediaServer) support for Amarok I wondered why this proposal is mainly about support for Amarok and not the whole of KDE Platform based programs, especially as the solution is considered to be done basically as a kio-slave. To be honest, I don’t use Amarok (because I only seldomly listen to music, rather make myself some… uhm, noise), but still I would like to be able to access the content on UPnP MediaServer devices from Dragon Player, Kaffeine or Gwenview. And Okteta ;)
Same is true for other protocols only Amarok supports. Why no DAAP (from a Firefly Media Server of course) access from Kaffeine, too? Well, there once (KDE3) was a DAAP kio-slave which, besides not being ported, seems to have been dropped due to the latest, unknown protocol version (this proprietary restrict system called iTunes should not be supported anyway). But the simple list-stat-get kio-slaves have the problem that they do not expose all of the data which is ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 30.03.2010 | Прочитано: 615 | Комментарии

KAlarm 2.5.0

System & Utilities

KAlarm lets you schedule personal messages to display, audio files to play, commands to execute, or emails to send.


  
Подробнее | Разместил: KDE News | Дата: 29.03.2010 | Прочитано: 372 | Комментарии

Stefan Majewsky (majewsky): Palapeli: Visual changelog for today

System & Utilities

Nothing happened in Palapeli land since the 1.0 release together with KDE SC 4.4. The wishlist was slowly growing, but today I’ve started to implement some smaller items on the todolist. The big ones (GHNS integration, puzzle piles and rotateable pieces) are still left, but now I present you the first new features that will appear in Palapeli 1.1 (KDE SC 4.5):

This screenshot shows two closed wishlist items: Instead of a background texture, one can now also select a solid color. Also, the puzzle name is displayed in the window title. (The code is a one-liner, which I unfortunately forgot to add before the 4.4 feature freeze.)

It is now possible to select multiple pieces at once, either by holding Ctrl and clicking on the pieces, or by dragging a rubberband around the pieces. All pieces will then be moved at once when you drag one of them. The selection ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 29.03.2010 | Прочитано: 483 | Комментарии

Lydia Pintscher (Nightrose): talks, talks, talks (and workshops)

System & Utilities

Just a quick reminder to send in your talk and workshop proposals for Akademy 2010. The deadline is April 23rd. The next two people to send in a proposal will get cookies (yes the real kind) in Finland. So go and check the call for papers, write your proposal, send it in and then see you in Tampere :)


  
Подробнее | Разместил: Planet KDE | Дата: 29.03.2010 | Прочитано: 418 | Комментарии

Ivan

System & Utilities

First of all, I need to apologize for not doing this earlier – I was rather busy lately.

The other problem is that “remember the milk” plasmoid is ruining/spoiling me. Until I started using it, I somehow found the time to do stuff in order not to forget what I need to do. This way, when I have a reminder, I can postpone most of the items in it indefinitely. ;)

So, without a further ado, I present the first public release of the fantastic, greatest and uber-awesome brand-new (and did I say fantastic and awesome?) plasma theme named ASCII (it is awesome… and fantastic… and unique… and gorgeous… and uniquely fantastic… and awesome…):

http://kde-look.org/content/show.php?content=122261


  
Подробнее | Разместил: Planet KDE | Дата: 28.03.2010 | Прочитано: 425 | Комментарии

Mehrdad Momeny (mtux): An idea to speed up Choqok development

System & Utilities

As you heard before, I’m doing military service and it’s some kind of non-profit job right now :-/

Recently I’ve noticed that i have to do some jobs to earn money. But this way will take most of my free time, and there couldn’t be time to do My favorite job, i.e. working on Choqok and Blogilo.

Some days ago, An idea came in my mind, I discussed with some close friends about if this idea could work, and now I want to talk with you about it.

The idea is some kind of sponsoring Choqok development by it’s users:

There are so many features we can implement! from new microblog services (like friendfeed) to additional useful automatic tasks (like translation of dents/tweets)

We define some kind of minimum donation requirement to implement one special feature/idea.

And then users who want to have that feature sooner, and like to participate in its development, will decide to donate some amount of donation required to implement it(Whatever that is important to them)! And then, After donation ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 28.03.2010 | Прочитано: 463 | Комментарии

Tomaz Canabrava (tomaz): USP Classes – Material

System & Utilities

Since some people have asked me for the pdf , aulausp it is.
caution, it’s in portuguese.



  
Подробнее | Разместил: Planet KDE | Дата: 27.03.2010 | Прочитано: 440 | Комментарии

Kompiling in a virtual machine made fast

System & Utilities

As you may have followed, I compiled my KDE in a virtual machine , described an example how it goes and even compared compile times in a mini-benchmark . I stopped using a virtual machine later because VirtualBox only gives you one virtual CPU, QEmu as well, and VMware Server only two.


  
Подробнее | Разместил: KDE News | Дата: 27.03.2010 | Прочитано: 526 | Комментарии

Tom Albers: Sysadmin Quickies

System & Utilities

Last weeks, a couple of things happened in the KDE sysadmin area, just some small updates:

  • Eike Hein, Ingo Malchow and Jeff Mitchell are now part of the sysadmin team too. Account creation was already fast, and with the addition of these folks, it has become even faster. All day-to-day business, should be quick and painless now.
  • We hang around at #kde-sysadmin on irc, so if you want to talk to us, feel free to hop in, although we often will request creating a sysadmin bugreport, so that there is an archive.
  • The l10n-server has been replaced by new hardware and a new hosting location. Mainly known as ’scripty’ by most of you.
  • The SVN-server has been replaced by new hardware. It was a difficult move which was pending for a while. In the end Dirk was forced to move to the new server due to hosting difficulties on very short notice.
  • anonsvn has become more reliable as we have a new anonsvn mirror. This now means we don’t get into trouble as soon as one is down.
  • ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 27.03.2010 | Прочитано: 419 | Комментарии

KDE at OpenExpo 2010

System & Utilities

On Wednesday and Thursday a delegation from KDE represented our Kool Desktop Environment at OpenExpo in Berne, Switzerland.


  
Подробнее | Разместил: KDE News | Дата: 27.03.2010 | Прочитано: 442 | Комментарии

Thiago Macieira (thiago): Happy Birthday, Mr. Repository

System & Utilities

In order to commemorate this important day today, I thought I’d give credit to someone who has just had an anniversary a few days ago: the Qt open repository. I put together this family album for the important moments in this 1 year and 3 days.

album1.png

March 23, 2009: The repository is born

You were born in a chilly morning, with 30607 files and 3135 directories. You weighed only 150 MB and you had two branches (4.5 and master).

Your older brother, qt-history (who was 15 years, 5 months, 19 days old) was very proud of you.

 

album3.png

May 11, 2009: You found a home and a family to take care of you

The Gitorious family welcomed you with open arms. From this day on, you had a permanent identity and address, http://qt.gitorious.org/qt/qt.

Your cousins qt-jambi and qt-creator joined you in this new family, among other distant Open Source cousins.

...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 27.03.2010 | Прочитано: 462 | Комментарии

Kevin Krammer: Transissions

System & Utilities

Today was my last day at AviBit Gmbh where I have been working for almost nine years now.
Starting with development of internal tools, becoming maintainer of some of the companies main components and finally designing and supervising implementation of a versatile client framework for our surveillance products.
What a ride Smiling

Nine years of Qt development for multiple platforms (mainly Linux though), on a KDE powered desktop using my personal favorite editor Kate.

Nine years seeing Linux grow on both servers and workstations in an industry (air traffic control solutions) which has been using proprietary Unix on server and Windows on workstations (though some competitors also have workstation offerings Unix like systems).

It has always been interesting to see how using Qt can give a new player like AviBit a significant advantage in public tenders by reducing time to implement features (lots of code sharing between clients and servers) and by being able to deliver on the customer's platform of choice (or by being able to deliver on the previous suppliers ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 27.03.2010 | Прочитано: 486 | Комментарии

Anne Wilson (annew): KDE Photo Tutorials

System & Utilities

Some two years ago Uga wrote some wonderful blogs explaining techniques for quality photo editing (Uga’s Blog).  His host didn’t store the actual photos, and in an unfortunate accident the ones belonging to some of the blogs were lost.  I’d dearly like to have all of these on UserBase.  The remaining blog, 1-1: Levels adjust is referenced on UserBase. There were also

  • 1-2: Curves adjust
  • 1-3: White balance and
  • 1-4: Brightness/Contrast/Gamma + Hue/Saturation/Lightness

We had a link to the last one on UserBase – but it appears to be an incomplete address, so I don’t know whether that was lost too.

With the number of keen photographers in KDE there is a distinct possibility that someone saved a copy of those tutorials.  If they could be located I’d ask permission to put them (in entirety, not as references) in UserBase.

Such tutorials should not be lost.  If you know other material that should also be preserved on UserBase, please let me know.


  
Подробнее | Разместил: Planet KDE | Дата: 26.03.2010 | Прочитано: 486 | Комментарии

Gilles Caulier (cgilles): digiKam Film Grain tool re-written...

System & Utilities filmgrain_old filmgrain_new

Since a very long time, my TODO list included a complete review of digiKam Film Grain tool.

read more


  
Подробнее | Разместил: Planet KDE | Дата: 26.03.2010 | Прочитано: 475 | Комментарии

Mark Kretschmann (markey): KDE at OpenExpo 2010

System & Utilities
Left to right: Heike, Klaas, Myriam, Mark


On Wednesday and Thursday a delegation from KDE represented our Kool Desktop Environment at OpenExpo in Berne, Switzerland. Unfortunately I couldn't make it on Wednesday, so that Heike, Klaas, and Myriam were rather busy handling the booth (their voices started to sound rather strained). But yesterday I found some time and could help out a bit.

Klaas Freitag is working for Novell (openSUSE team), and in his spare time he and his wife Heike create a very promising application for businesses, called Kraft. Myriam Schweingruber is from KDE/Amarok/Kubuntu/FSFE (is there anything she doesn't do?), and myself of course I'm from Amarok and KDE.

The event itself generated mixed feelings due the stronger commercial orientation than usual, resulting in less space for Free Software, while the business side (called Topsoft) was more emphasized this time. However, this was not the fault of the organizers (the ...read more...

  
Подробнее | Разместил: Planet KDE | Дата: 26.03.2010 | Прочитано: 586 | Комментарии

Ariya Hidayat: multiples of 3 or 5

System & Utilities

One day Helder showed me Project Euler, a collection of interesting math problems to be solved using computer programs.

I took a look at the first problem: find the sum of all the multiples of 3 or 5 below 1000. Getting the linear time solution was trivial, the constant time solution was also not hard. However, I could not help it, I continued by applying some obfuscation voodoo and came up with this answer (of course, constant time as well):


return \"uncopyrightable\"[n % 15] - 'a' + 44 - \"xzoxy}pge]_LAKD\"[n% 15] +
'A' - (!(n % 15)) * 9 + 15 * ((n / 15) * (4 + (\"aaabbcdddeffggg\"[n % 15] - 'a')) +
(n / 15) * (n / 15 - 1) * 7 / 2);

How did a word ("uncopyrightable") end up in that solution? Believe me, it was (a lot of) fun! :)


  
Подробнее | Разместил: Planet KDE | Дата: 26.03.2010 | Прочитано: 423 | Комментарии

Dennis Nienh

System & Utilities

At some point I applied my programming habits to my car. I keep it clean now; empty bottles and garbage are long gone. Ironically, this is driven by laziness. Among the things that are still with me and my car is a routing atlas. Its right to exist stems from its independence of battery power and satellites. Occasionally I complement it with printed routes, the single-use atlas mostly useful when driving alone.

Back in the days when Google was only a search engine I used a free (as in beer) service — was it called Map & Guide? — to create these printed routes. Even short routes resulted in four or five pages, quite a mess in a car. Todays services are much better, creating customizable, short printouts. Tomorrow I want Marble to print my routes.

Soon I realized that this feature is easier realizable than expected: Marble already has printing support for maps and Qt’s QTextDocument simplifies creating printable pages with a nice layout. Below is a screenshot from my printing Git branch:

...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 26.03.2010 | Прочитано: 420 | Комментарии

Tomaz Canabrava (tomaz):

System & Utilities

I wrote this post a month back, but just now I have decided to post it.

Well, some weeks back i commited an initial project for plugins on Rocs, and it’s almost finished… but i had a question about life, the universe and everything: Why i took too long (3 weeks) to put it to work ?

First, i have some others stuff to do, but, this is not a true answer…

Second, I started with QtPlugins, It worked very well! But, and it is a big but, how will Rocs know the location of the installed plugins? since plugins are shared lib loaded at runtime, I had to make this work somehow. So at IRC, #kde-dev, Rakuko told me something about KServices, unknow by me till then. So, with a little search on the KDE api, i found the rigth way (or KDE way) to make it works flawessly.

So, I had to stop doing with Qt Plugins and rewriting everything to use KServices, back from line zero. =)

After some hack. i had a problem loading the ...read more...


  
Подробнее | Разместил: Planet KDE | Дата: 25.03.2010 | Прочитано: 449 | Комментарии
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