Qt pronounced "cute" [7] [8] [9] is cross-platform software for creating graphical user interfaces as well as cross-platform applications that run on various software and hardware platforms such as Linux , Windows , macOS , Android or embedded systems with little or no change in the underlying codebase while still being a native application with native capabilities and speed.
Qt is currently being developed by The Qt Company , a publicly listed company, and the Qt Project under open-source governance , involving individual developers and organizations working to advance Qt. Qt is used for developing graphical user interfaces GUIs and multi-platform applications that run on all major desktop platforms and most mobile or embedded platforms. Most GUI programs created with Qt have a native-looking interface, in which case Qt is classified as a widget toolkit.
Non-GUI programs can also be developed, such as command-line tools and consoles for servers. Qt also provides Qt Quick , that includes a declarative scripting language called QML that allows using JavaScript to provide the logic. With Qt Quick, rapid application development for mobile devices became possible, while logic can still be written with native code as well to achieve the best possible performance.
Also still supported, for commercial users, are 5. In addition the KDE project provides unofficial support for, at least, Qt 5. In , the Qt Company estimated a community of about 1 million developers worldwide [17] in over 70 industries.
Many notable open-source or proprietary cross-platform software are using Qt or QML :. Starting with Qt 4. Enterprise Controls [94] are commercially sold by The Qt Company. After Nokia opened the Qt source code to the community on Gitorious , various ports appeared. There are also some ports of Qt that may be available, but are not supported anymore. These platforms are listed in List of platforms supported by Qt. See also there for current community support for other lesser known platforms, such as SailfishOS.
Qt is available under the following free software licenses: [13] GPL 2. In addition, Qt has always been available under a commercial license, like the Qt Commercial License, [4] that allows developing proprietary applications with no restrictions on licensing.
Qt comes with its own set of tools to ease cross-platform development, which can otherwise be cumbersome due to different set of development tools. In addition to Qt Creator, Qt provides qmake , a cross-platform build script generation tool that automates the generation of Makefiles for development projects across different platforms. There are other tools available in Qt, including the Qt Designer interface builder and the Qt Assistant help browser which are both embedded in Qt Creator , the Qt Linguist translation tool, uic user interface compiler , and moc Meta-Object Compiler.
The toolkit was called Qt because the letter Q looked appealing in Haavard's Emacs typeface, and "t" was inspired by Xt , the X toolkit. On 20 May Troll Tech publicly released Qt 0. Trolltech used this license until version 1. Controversy erupted around when it became clear that the K Desktop Environment was going to become one of the leading desktop environments for Linux.
As it was based on Qt, many people in the free software movement worried that an essential piece of one of their major operating systems would be proprietary. With the release of version 2.
Compromises were sought between KDE and Trolltech whereby Qt would not be able to fall under a more restrictive license than the QPL, even if Trolltech was bought out or went bankrupt. At the end of , Trolltech released Qt 3. This was resolved when Trolltech released Qt 4. The GPL v3 with special exception [] was later added as an added licensing option. Nokia focused on turning Qt into the main development platform for its devices, including a port to the Symbian S60 platform.
Version 1. On 14 January , Qt version 4. In February , Nokia announced its decision to drop Symbian technologies and base their future smartphones on the Windows Phone platform instead and since then support for that platform has also been dropped. In September , Digia transferred the Qt business and copyrights to their wholly owned subsidiary, The Qt Company, which owns 25 brands [] related to Qt.
In May , Digia and Qt demerged completely into two independent companies. Qt 5 was officially released on 19 December This new version marked a major change in the platform, with hardware-accelerated graphics, QML and JavaScript playing a major role. Framework development of Qt 5 moved to open governance at qt-project. Aside from The Qt Company, many organizations and individuals using Qt as their development platform participate in the open development of Qt via the Qt Project.
Another participator is Intel , contributing for example Wayland support. Qt Wiki provides a comprehensive list of English books about Qt. From Wikipedia, the free encyclopedia. Object-oriented framework for software development. Not to be confused with QuickTime. See also: Qt version history. Most bitcoin forks also provide the reference GUI.
Main article: List of platforms supported by Qt. See also: Qt Creator. Main article: Qt Project. Blanchette, Jasmin; Summerfield, Mark 14 February Prentice Hall. ISBN Summerfield, Mark 23 August Fitzek, Frank H. Qt for Symbian 1st ed. Archived from the original on 19 December Summerfield, Mark 28 October Molkentin, Daniel 19 July No Starch Press. Thelin, Johan 3 August Foundations of Qt Development 1st ed.
Archived from the original on 20 January Retrieved 18 June Dalheimer, Matthias January Programming with Qt 2nd ed. O'Reilly Media. Ezust, Alan; Ezust, Paul 10 September Archived from the original on 1 October Retrieved 5 August The Qt Company. Archived from the original on 22 February Ashlee Vance. Retrieved 19 February Archived from the original on 11 December Retrieved 7 September Retrieved 8 May Retrieved 25 April Archived from the original on 12 October Retrieved 12 October Retrieved 6 December Retrieved 8 June Retrieved 15 June Archived from the original on 23 February Retrieved 14 March Archived from the original on 23 July Retrieved 14 June Retrieved 8 April Retrieved 5 September Archived from the original on 29 May Retrieved 1 March Retrieved 19 October Retrieved 28 April Retrieved 15 June — via GitHub.
Retrieved 30 June The Verge. January
Archived from the original on 1 April Retrieved 27 October Retrieved 8 July Digia Plc. Retrieved 17 October Qt5-feedback Mailing list. Retrieved 9 May Retrieved 8 February Thiago Macieira's blog. KDE Community Wiki. Retrieved 27 April Wikimedia Commons has media related to Qt. Wikibooks has a book on the topic of: Qt. Qt platform. Qbs qmake Qt Creator. Org Server PulseAudio. KDE e. Akademy KDE. News Konqi. List of widget toolkits. Macintosh Toolbox Carbon.
Cocoa Cocoa Touch. Mac Xamarin. Visual Component Library. Qt for Android. Lazarus Component Library. Shoes QtRuby. Newt Dialog. Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons Wikibooks. Haavard Nord and Eirik Chambe-Eng [1]. Cross-platform software and Software development tools. The central GUI module. In Qt 5 this module now depends on OpenGL , but no longer contains any widget classes.
Was split off from QtGui in Qt 5. Network abstraction layer. Classes accessing NFC hardware. Legacy module containing the OpenGL classes from Qt 4. Classes for accessing GPS and other location services and for mapping and navigation.
Split off from the Qt 4 Mobility module of Qt Location. Classes for accessing various mobile hardware sensors. Used to be part of Qt Mobile in Qt 4. Qt applications can switch between graphical backends like X and Wayland at load time with the -platform command line option. SailfishOS uses Wayland only as it doesn't have X Qt for Android [99] formerly known as Necessitas.
There are several reasons for the loss of license data, including operating system updates. Unlike a regular installation, a deployment installation gathers the license information before starting the product, replacing lost or corrupted information. Attempt this solution only if a licensing error occurs after trying Solutions 1—4. Make sure the Autodesk Desktop App is working correctly. If the Autodesk Desktop App does not load:. After completing the steps try running the Autodesk Desktop App and logging in.
After successfully logging in try logging into Autodesk software. If problems persists with the Autodesk Desktop App please refer to the article Autodesk Desktop App freezes and shows a blank white screen. Follow the steps shown in Clock Error: Clock Error: Check that system clock is set to the current date and time before trying it again. Be sure that files and folders are not hidden using these instructions.
Note : If licensing errors occur from all Autodesk products, perform a clean uninstall. Be sure to back up the system before performing a clean uninstall. Skip to main content.
Support and learning. To translate this article, select a language. View Original Translate. English Original X. View Original X. By: Support. Support 0 contributions. Causes: Possible causes include: Product license validation process is hindered.
Closing LGS dialog window with out selecting a license type. I would like to be able to customize the columns rather than just being stuck with the "Description" column. Nice that it shows which sheet has the detail view. I can't seem to get it to load. When I am in a dwg idw it doesn't load. I go to addins and manually select "loaded" and all looks fine until I exit out. Nothing happens. I go back and it's in "unloaded" status. Win 10 creators x Yes we have planned to make a version as soon as we can access and download the software from Autodesk.
I have pushed clients to use this app in the past and they have loved it. However, one of them has moved to the version of Inventor and it is not supported for Are you going to be releasing a new version? Hi You can force the 1. This is one of a best addon for me. Pretty good software that help a lot escpecially with multiple pages drawings. I have a strange behavior, we use "details level" don't know if in english that's the term to have light models and we use this too for the drawing views to hide a door for example.
With these details level I have "file missing" problem in the list and even sometimes nothing happen when I try to start the quickviews management.
Maybe in a paid version? This app saves me A LOT of time when creating fabrication drawings. It allows me to review that all parts of the assembly have been included in the drawing and also lets me quickly find the part in the document.
A million thanks to the developers. One of the best apps to date. I don't do multisheet drawings, but I use it to ensure that every component has been detailed.
No more Snipping tool and highlighter of the BOM. I cant get it to load in Hi, we have got some issues with some inventor releases and it's not loading correctly, as we don't have the problem in our sandbox environment it's taking more time to figger out why it isn't loading.
Will get back to all that have reported this when we got a solution. After installing the app, Inventor crached after 2 minutes.
Don't know the reason, But Uninstalled it and now everything is fine. Hope there will be a fix soon, developpers can contact me for more information! That issues was fixed when we released the 1.
We have taken the feedback on the price into account and we are happy to announce that we have drastically reduced the price for This is the best app i downloaded so far, maybe its just me but this function has been missing since I started to work with Inventor. To create multisheet drawings is so much easier and faster then before, thank you! Digitally signed app. Description This app allows users to very quickly add drawing views for all sub-components of an assembly.
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