Open Source

Qt 5.0 Released 161

sfcrazy writes "The Qt project and Digia, the company behind Qt framework, have released the most awaited C++ framework for developers, Qt 5.0. The company claims it's one of the best releases to date and has invested a significant amount of time behind this release. It's an overhaul of the Qt 4.x series and makes Qt fit for the future." Update: 12/19 17:46 GMT by U L : Major new features include an overhauled graphics layer, full integration of Qt Quick for creating flexible interfaces using Javascript, and increased modularization including the first steps toward de-emphasizing QtWidgets by separating them into their own module.
Programming

Qt Developer Days 2012 Videos Released 9

Via Planet KDE comes news that the videos from the 2012 Qt Developer Conference are available on YouTube. This joins the slides released in late November. It looks like there's some pretty interesting stuff in there.
Hardware Hacking

Live Interview: Luke Leighton of Rhombus Tech 68

Today we're doing a live interview from 18:30 GMT until 20:30 GMT with long time contributor Luke Leighton of Rhombus Tech. An advocate of Free Software, he's been round the loop that many are now also exploring: looking for mass-volume Factories in China and ARM processor manufacturers that are truly friendly toward Free Software (clue: there aren't any). He's currently working on the first card for the EOMA-68 modular computer card specification based around the Allwinner A10, helping the KDE Plasma Active Team with their upcoming Vivaldi Tablet, and even working to build devices around a new embedded processor with the goal of gaining the FSF's Hardware Endorsement. Ask him anything. (It's no secret that he's a Slashdot reader, so expect answers from lkcl.)
Ubuntu

Mark Shuttleworth Answers Your Questions 236

A couple of weeks ago you had a chance to ask Canonical Ltd. and the Ubuntu Foundation founder, Mark Shuttleworth, anything about software and vacationing in space. Below you'll find his answers to your questions. Make sure to look for our live discussion tomorrow with free software advocate and CTO of Rhombus Tech, Luke Leighton. The interview will start at 1:30 EST.
Graphics

Why KDE Plasma Makes Sense For Linux Gaming 152

sfcrazy writes "Martin Gräßlin, a lead KDE developer, addresses some queries around a topic bugging Gnome and Unity users — the fallback mode. In this post he says that 'having the non-composited mode around allows us to do things like turning compositing off when running games or heavy OpenGL based applications such as Blender. So if you want to get some of the now finally available games for Linux, KDE Plasma should be your primary choice to enjoy the game. I have also heard of users switching to KDE Plasma because we still provide non OpenGL based setups.'"
Portables (Apple)

Ask Slashdot: Good Linux Desktop Environment For Hi-Def/Retina Displays? 234

Volanin writes "I have been using Linux for the last 15 years both at home and at work (mostly GNOME and now Unity). Recently, I gave in to temptation and bought myself a Macbook retina 15". As you can read around, Linux still has no good support for this hardware, so I am running it inside a virtual machine. Running in scaled 1440x900 makes the Linux fonts look absolutely terrible, and running in true 2880x1800 makes them beautiful, but every UI element becomes so tiny, it's unworkable. Is there a desktop environment that handles resolution independence better? Linux has had support for SVG for a long time, but GNOME/Unity seems adamant in defining small icon sizes and UI elements without the possibility to resize them."
GUI

Fedora Adds MATE and Cinnamon Desktops to Main Repository, Releases Beta 56

Already available in third party repositories, the GNOME 2 fork MATE and GNOME 3 fork Cinnamon will now be included in Fedora 18. From the H: "After almost two months' delay, the Fedora Project has released the first and final beta of Fedora 18. The distribution, which is code-named 'Spherical Cow,' includes the MATE desktop – a continuation of the classic GNOME 2 interface – in its repositories for the first time. Fedora 18's default edition uses GNOME 3.6.2 as its interface and a separate KDE Spin provides the KDE Software Collection 4.9.3; Xfce 4.10 and version 1.6.7 of Linux Mint's Cinnamon are also available from the distribution's repositories."
KDE

KDE 4.10 Beta1 Released 73

sfcrazy writes "The KDE team has released the first beta for its renewed Workspaces, Applications, and Development Platform. 'With API, dependency and feature freezes in place, the KDE team's focus is now on fixing bugs and further polishing new and old functionality.' QtQuick in Plasma Workspaces has received a lot of work: 'Plasma Quick, KDE's extensions on top of QtQuick allow deeper integration with the system and more powerful apps and Plasma components. Plasma Containments can now be written in QtQuick. Various Plasma widgets have been rewritten in QtQuick, notably the system tray, pager, notifications, lock & logout, weather and weather station, comic strip and calculator plasmoids. Many performance, quality and usability improvements make Plasma Desktop and Netbook workspaces easier to use.' Here's the Feature Plan for 4.10."
Android

Dual-Booting PengPod Tablet Can Run Linux/Android 109

New submitter garbagechuteflyboy writes "The PengPod is the first dual-booting tablet; It's able to run both Linux and Android. Pengpod is now running the latest Plasma Active which gives this powerful Linux tablet features that were previously only available to iPad and Android tablets. PengPod is currently selling pre-orders on Indiegogo." garbagechuteflyboy adds links to articles about the dual-OS tablet at liliputing, at Ars Technica, and at PCWorld. "First dual-booting tablet" seems like a hard claim to back, but it's nice to see a tablet marketed with Plasma Active in mind.
Android

Project To Build Dual-Booting Linux, Android Tablet For $100 114

A reader sends this quote from Ars: "It likely won't be as sleek or fast as a Nexus 7 or Nexus 10, but a new tablet running both Android and Linux is in the works for open source enthusiasts and lovers of low-budget devices. PengPod tablets, made by a company called Peacock Imports, will dual-boot Android 4.0 and a version of Linux with the KDE Plasma Active interface for touch screens. But in order to reserve a tablet for yourself, you'll have to contribute to the company's crowdfunding project on Indiegogo and hope enough money is raised to begin production. 'Our goal is to build a powerful, True Linux Tablet, one free of Google and Android's restrictions, at a reasonable price,' the PengPod IndieGogo page says. 'If you're a Linux fanatic you probably ended up getting an Android phone. Hey, it's Linux right? It'll be open, run all the programs I'm familiar with and let me hack around and have some fun right? Too often, this is not so. That is why we set out to find a way to run real Linux and all the software you really want.'"
Open Source

Bruce Perens Answers Your Questions 52

A while ago you had the chance to ask Bruce Perens about how open source has changed in the past 15 years, what's happening now, and what's to come. Bruce has been busy traveling, but he's found some free time and sent in his answers. Read below to see what he has to say.
KDE

Linus Torvalds Tries KDE, Likes It So Far 289

sfcrazy writes "Linus Torvalds has never been a big fan of Gnome owing [to] its extreme simplicity. Even Gnome 3.x failed to impress the father of the Linux kernel. He has now given KDE a try after a long time. Linus using your software is double edged sword, especially if Linus doesn't like it — get ready for the harshest, yet the most honest and useful criticism. Interestingly, Linus has so far liked KDE, and for one simple reason: 'But ah, the ability to configure things. And I have wobbly windows again.' This should make KDE developers a bit happier." Evidently, Linus didn't get the message that desktop UIs for Linux don't matter any more, since he keeps acting like they do.
GUI

KDE Plasma Active: the Mobile Interface That Works 70

jrepin writes "Bruce Byfield is not a fan of interfaces for mobile devices. At best, he finds them clumsy makeshifts, tolerable only because nothing better is available. The only exception is KDE's Plasma Active, which not only works well on tablets, but, with its recently released version 3.0, remains the only mobile-inspired interface he can tolerate on a workstation."
Enlightenment

Rasterman On The Impending Release of Enlightenment 17 117

In development for the better part of the last decade, the 0.17 release of the Enlightenment window manager is slated for November 5th. Leading up to this, the H has an enlightening interview with project lead Rasterman on what to expect. From the article: "Today Enlightenment offers most of what you get from GNOME and KDE, and probably the same if not a bit more than XFCE. It just doesn't try and ship a suite of apps with it. It is the desktop (Window manager, settings, file manager, application launching and management) minus the apps. ... The biggest thing E17 brings to the table is universal compositing. This means you can use a composited desktop without any GPU acceleration at all, and use it nicely. We don't rely on software fallback implementations of OpenGL. We literally have a specific software engine that is so fast that some developers spent weeks using it accidentally, not realizing they had software compositing on their setup."
Graphics

A Proposal To Fix the Full-Screen X11 Window Mess 358

jones_supa writes "The SDL developers Ryan Gordon and Sam Lantinga have proposed a window manager change to work out the full-screen X11 window mess, primarily for games. The proposal is to come up with a _NET_WM_STATE_FULLSCREEN_EXCLUSIVE window manager hint that works out the shortcomings of the full-screen hint used currently by most games, _NET_WM_STATE_FULLSCREEN. Ryan and Sam have already worked out an initial patch for SDL but they haven't tried hooking it to any window manager yet. Those interested in the details, information is available from this mailing list message. One of the key changes is that software would make the request to the window manager to change the resolution, rather than tapping RandR or XVidMode directly. Martin Gräßlin of KDE was rather wary about the patch and said that games changing the resolution just tend to mess up the desktop." Seems like a reasonable idea, given a bit of time to mature as a spec. In KDE's case, a separate daemon from the window manager handles resolution changes so going through the WM would add complexity, and the plasma shell still has no way to realize that it shouldn't reflow the desktop widgets. Setting window properties seems like a sensible IPC method for communicating intent though (without making yet another aspect of the X desktop reliant upon the not-very-network-transparent dbus): "hey, I need to resize, but just for me so don't reshuffle the desktop and docks."
Editorial

The Greatest Battle of the Personal Computing Revolution Lies Ahead 291

As tablets and computer-phones flood the market, the headlines read: "The Personal Computer is Dying." But they are only half true: an artifact of the PC is dying, but the essence of the PC revolution is closer to realization than ever before, while also being closer to loss than ever before.
KDE

KDE Plasma Active 3 Improves Performance, Brings New Apps 70

jrepin writes "KDE has released the 3rd stable version of Plasma Active, KDE's device-independent user experience. The Plasma Active user interface is touch-friendly and works well across a range of devices. Its Activities function gives users a natural way to organize and access their applications, files and information. Plasma Active Three noticeably improves the user experience with its enhanced and expanded set of apps, improved performance and a new virtual keyboard."
KDE

KDE Publishes Manifesto 58

Several readers sent word that KDE has published a manifesto. According to its official announcement, the KDE community's growth over the past 15 years has "created a need for clarity about what pulls us together as a community." It continues, "The KDE Manifesto is not intended to change the organization or the way it works. Its aim is only to describe how the KDE Community sees itself. What binds us together are certain values and their practical implications, without regard for who a person is or what background and skills they bring." The manifesto opens boldly, saying, "We are a community of technologists, designers, writers and advocates who work to ensure freedom for all people through our software." It comes along with more detailed descriptions of the benefits and principles of a KDE project.
KDE

KDE Multi-Monitor Control Getting An Overhaul 144

Multi-monitor support on Free systems has always been a pain (even after RANDR made it a lot less of a pain). GNOME2 had a great feature: you only had to configure a given pair of displays once and it would do-the-right-thing and remember their configuration. But if you wanted to mirror displays of different resolutions, you were out of luck. KDE handled the latter case, but infuriatingly enough doesn't remember or restore configurations like GNOME2 did, and worse yet requires manual intervention before disconnecting a display. But, now that's all changing: "As some of you might have noticed, display management in KDE is not really something we could be proud of. It does not work as expected, it lacks some features and it’s not really maintained. Time to change it, don’t you think? ... Alex has written the libkscreen library that provides information about available/connected/enabled outputs and notifications about their changes. He also intends to write a KDED daemon that would listen for these events and depending on connected monitors (every monitor can be uniquely identified by it’s EDID) it would load specific configuration. For example, docking your notebook into a docking station at work would automatically turn on a second monitor and place it left of the notebook screen (or whatever you configure the first time you do it). Undocking the notebook and connecting a data projector in a meeting room would automatically set clone mode etc. etc." Additionally, the dock applet and monitor configuration UI have been overhauled allowing for quickly setting common configurations ("extend display to the {right,left,top,bottom}" / "clone") directly from the desktop, and direct manipulation of the monitor positions if you do end up needing to use the configuration program (article has a video and screenshots).
KDE

Notification UI Overhauled in KDE 4.10 (And a Plan For Modernized Notifications) 67

Via Planet KDE, some good news for people who hate the KDE 4 notifications applet (coming in KDE 4.10): "So, it seems it's that time of the year again... the plasmoid used in KDE Plasma Desktop to display notifications and the progress of transfer jobs started to really show its age, due to some bad limitations in the old QGraphicsview code to handle complex layouts, so it appeared quite buggy and not so smooth to use. ... The fact that there is some research/development being made to build a new backend for notifications that will support many new features, more 'modern' to be actually useful with the applications that are so heavily 'communication' oriented (both desktop clients and web stuff), that became essential part of out workflow. ... The story begins more than a year ago: we needed a way to display notifications on Plasma Active, and obviously the desktop applet used back then wasn't enough. ... Since we would have to rewrite it in QML anyways, we started it." The article has two videos: one of the new UI in Plasma Active on a tablet, and another of it on the desktop. They share basically the same code base, differing only by a couple hundred lines of QML. In addition to this, another KDE developer has been musing on a replacement for the freedesktop.org notification protocol designed to fix the deficiencies that have made themselves apparent over the last few years (parts one and two).

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