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Glade Interface Designer

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Glade
Original author(s)Damon Chaplin[1][2][3][4][5]
Developer(s)The GNOME Project
Initial release18 April 1998; 26 years ago (1998-04-18)[6]
Stable release
3.40 / 10 August 2022; 2 years ago (2022-08-10)
Repository
Written inC, XML
Operating systemUnix-like, Windows[7]
SuccessorCambalache Interface Designer
Type
LicenseGNU General Public License
Websiteglade.gnome.org Edit this on Wikidata

Glade Interface Designer is a graphical user interface builder for GTK, with additional components for GNOME. In its third version, Glade is programming language–independent, and does not produce code for events, but rather an XML file that is then used with an appropriate binding (such as GtkAda for use with the Ada programming language).

Glade is free and open-source software distributed under the GNU General Public License. Glade's development and maintenance ceased in 2022, with the final release on 10 August 2022.[8]

History and development

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The first Glade release, version 0.1, was made on 18 April 1998.[6]

Glade 3 was released on 12 August 2006. According to the Glade Web site, the most noticeable differences for the end-user are:

  • Undo and redo support in all operations.
  • Support for multiple open projects.
  • Removal of code generation.
  • Contextual help system with Devhelp

Most of the difference is in the internals. Glade-3 is a complete rewrite, in order to take advantage of the new features of GTK 2 and the GObject system (Glade-3 was started when Glade-1 hadn't yet been ported to GTK 2). Therefore, the Glade-3 codebase is smaller and allows new interesting things, including:

  • Catalogs of "pluggable" widgets. This means that external libraries can provide their set of widgets at runtime and Glade will detect them. In fact, Glade 3 supports only standard GTK widgets; GNOME UI and DB widgets are provided separately.
  • The various Glade Tools (palette, editor, etc.) are implemented as widgets. This allows for easier integration in IDEs like Anjuta, and makes it easier to change the Glade UI.

On 5 April 2011, two parallel installable stable Glade versions[9][10][11] were released:

  • Glade 3.8: That includes all support for GTK up till version 2.24. This version is to serve as a decent migration path for older projects migrating to GTK 3.0.
  • Glade 3.10: That includes support only for widgets that are still included in GTK 3.0 and additionally drops support for Libglade.

On 11 June 2015 Glade 3.19.0 was released. It depends at least on GTK 3.16.0. Among many bug fixes this version is the first to support the widgets GtkStack, GtkHeaderBar and GtkSidebar.[12]

GtkBuilder

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GtkBuilder is the XML format that the Glade Interface Designer uses to save its forms. These documents can then be used in conjunction with the GtkBuilder object to instantiate the form using GTK. GladeXML is the XML format that was used with conjunction with libglade, which is now deprecated.[13]

Glade Interface Designer automatically generates all the source code for a graphical control element.

The "Gtk.Builder class" allows user interfaces to be designed without writing code.[14] The class describes the interface in an Extensible Markup Language (XML) file and then loads the XML description at runtime and creating the objects automatically. The Glade Interface Designer allows creation of the user interface in a WYSIWYG manner. The description of the user interface is independent from the programming language being used.

Code sketching

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Code sketchers are software applications that help a user create source code from a GladeXML file. Most code sketchers create source code which uses libglade and a GladeXML file to create the GUI. Some sketchers are able to create raw code that does not need the GladeXML file. The table below compares basic information about GladeXML code sketcher packages.

Name Author Programming languages Software license
eglade Archived 13 May 2018 at the Wayback Machine Daniel Elphick Eiffel Eiffel Forum License
Gladex Christopher Pax and Charles Edward Pax Perl, Python, Ruby GPLv3
glc Bill Allen Python LGPL
ruby-glade-create-template Archived 7 June 2013 at the Wayback Machine Masao Mutoh Ruby
Tepache Sandino Flores Moreno Python LGPL
GladeToBac Thomas Freiherr FreeBASIC (includes headers for GTK-3 and

GTK-2.22.0 / GTKGlExt-1.2.0)

GPLv3
Glade2FB Arnel Borja FreeBASIC GPLv3
gate3 F. J. Fabien Ada MIT License

Cambalache

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Cambalache
Original author(s)Juan Pablo Ugarte
Repositoryhttps://gitlab.gnome.org/jpu/cambalache
Written inPython
Operating systemUnix-like
PredecessorGlade Interface Designer
Type
LicenseGNU Lesser General Public License
Websitehttps://flathub.org/apps/ar.xjuan.Cambalache

Cambalache (/kambaˈlat͡ʃe/)[15] is a free and open-source rapid application development (RAD) tool[16][17][18] designed for creating user interfaces with GTK 4. It is designed as a successor to Glade,[19][20] with a focus on supporting the latest GTK 4 library while maintaining compatibility with GTK 3. Cambalache is geared toward developers working within the GNOME ecosystem. Cambalache's design emphasizes the Model-View-Controller (MVC) architecture, ensuring separation between the UI components and the business logic of applications.

The UI editing workspace is driven by a separate process called Merengue which interfaces with Casilda, a Wayland compositor embeded in a GTK widget. This architectural choice improves stability by separating the user interface preview from the main application. This separation enables the system to handle different GTK versions efficiently, ensuring the rendered UI accurately mirrors the application's appearance and behavior.[21]

See also

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References

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  1. ^ Reed, David (1 July 2004). "Rapid Application Development with Python and Glade]". Linux Journal. Damon Chaplin wrote the Glade program
  2. ^ Chaplin, Damon (2000). "Glade FAQ version 1.0".
  3. ^ Welsh, Matt; Kalle Dalheimer, Matthias; Kaufman, Lar (August 1999). Running Linux (3rd ed.). Appendix B The GNOME Project > B.5.3 Programming Tools > ..."Of particular interest is Damon Chaplin's Glade..."
  4. ^ "Damon Chaplin (author of the original Glade tool)". Archived from the original on 3 November 2006. Retrieved 18 February 2013.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  5. ^ "Historical Glade website". Archived from the original on 23 April 1999. Retrieved 18 February 2013.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  6. ^ a b "GLADE GTK User Interface Builder > History > The first release, Version 0.1, was on 18. Apr 1998". Archived from the original on 8 October 1999. Retrieved 18 February 2013.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  7. ^ "Files · master · GNOME / Glade".
  8. ^ "Rolling last release! (b3823efd) · Commits · GNOME / Glade · GitLab". GitLab. 10 August 2022. Retrieved 9 October 2024.
  9. ^ "[Glade-devel] Glade 3.10.0 Released". Archived from the original on 6 June 2011.
  10. ^ Glade 3.8.0 and 3.10.0 released, Tuesday 5 April 2011 by Tristan Van Berkom – Glade 3.8.0 and 3.10.0 are now available for download. 3.8 is the last stable series of Glade for GTK 2 and 3.10 is the first stable series for GTK 3
  11. ^ "[Glade-devel] Glade 3.9.0 Released". Archived from the original on 12 January 2011.
  12. ^ "Glade 3.19.0 Released!". Archived from the original on 14 June 2015. Retrieved 12 June 2015.
  13. ^ "Libglade officially deprecated in favor of GtkBuilder". Gnome devel-announce-list (Mailing list). 11 May 2009. Retrieved 13 November 2010.
  14. ^ "Gtk 3.0 documentation on github".
  15. ^ GNOME (2 August 2024). GUADEC 2024 Cambalache: road to version 1.0. Retrieved 11 September 2024 – via YouTube.
  16. ^ James (9 September 2024), Taiko2k/GTK4PythonTutorial, retrieved 10 September 2024
  17. ^ Intel, Altus (10 December 2021). "Release Cambalache 0.8.0, GTK Interface Development Tool". Altus Intel. Retrieved 11 September 2024.
  18. ^ Darkcrizt (22 July 2021). "Cambalache, a tool for creating Gtk user interfaces". Linux Adictos. Retrieved 11 September 2024.
  19. ^ "Cambalache on alternativeto.net".
  20. ^ "Create Beautiful User Interface for Gtk applications with Cambalache". CONNECTwww.com. 25 August 2021. Retrieved 10 September 2024.
  21. ^ "New Cambalache Release 0.92.0! – ar.xjuan.Blog". 26 September 2024. Retrieved 30 September 2024.
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