Starting with Mono 1.9, running Gtk# applications on macOS no longer requires running an X11 server. The Mono packages for Windows include GTK, Gtk# and a native theme to make applications look like native Windows applications. Īpplications built using Gtk# will run on many platforms including Linux, Windows and macOS. Gtk# is an event-driven system like any other modern windowing library where every widget allows associating handler methods, which get called when certain events occur. The library facilitates building graphical GNOME applications using Mono or any other compliant Common Language Runtime (CLR). NET Framework bindings for the GTK graphical user interface (GUI) toolkit and assorted GNOME libraries. The description of the user interface is independent from the programming language being used. The Glade Interface Designer allows creation of the user interface in a what you see is what you get ( WYSIWYG) manner. The interface is described in an Extensible Markup Language (XML) file, which is then loaded at runtime and the objects created automatically. GtkBuilder allows user interfaces to be designed without writing code. Lazarus on Linux defaults to interfacing with GTK 2.Stetic, part of MonoDevelop, oriented toward Gtk#.Crow Designer, relies on its own GuiXml format and GuiLoader library.Gazpacho, GUI builder for the GTK toolkit written in Python.Glade, supports GtkBuilder, which is a GTK built-in GUI description format.The following projects were active as of July 2011: GtkInspector can only be invoked after installing the development package libgtk-3-dev/gtk+-devel. GtkInspector was introduced with version 3.14. GSK was finally merged into GTK version 3.90 released March 2017. GSK lies between the graphical control elements (widgets) and the rendering. GSK is the rendering and scene graph API for GTK. On 6 February 2019 it was announced that GTK 4 will drop the “+” from the project's name. On 26 January 2018 at, Matthias Clasen gave an overview of the current state of GTK 4 development, including a high-level explanation of how rendering and input worked in GTK 3, what changes are being made in GTK 4 (>3.90), and why. Since GTK version 3.0, all rendering is done using Cairo. Starting with version 2.8, released in 2005, GTK began the transition to using Cairo to render most of its graphical control elements widgets. Several display engines exist which try to emulate the look of the native widgets on the platform in use. GTK can be configured to change the look of the widgets drawn this is done using different display engines. There is also an HTML5 back-end named Broadway. While GTK is mainly for windowing systems based on X11 and Wayland, it works on other platforms, including Microsoft Windows (interfaced with the Windows API), and macOS (interfaced with Quartz). GTK is an object-oriented widget toolkit written in the programming language C it uses GObject, that is the GLib object system, for the object orientation. The GTK library contains a set of graphical control elements ( widgets) version 3.22.16 contains 186 active and 36 deprecated widgets. Pango, GDK, ATK, GIO, Cairo and GLib GDK contains back-ends to X11, Wayland, Broadway ( HTTP), Quartz, and GDI and relies on Cairo for the rendering. Software architecture The GTK toolkit Simplified software architecture of GTK. GTK1 is independently maintained by the CinePaint project. GTK 4 and GTK 3 are maintained, while GTK 2 is end-of-life. The GTK team releases new versions on a regular basis. It is one of the most popular toolkits for the Wayland and X11 windowing systems. It is licensed under the terms of the GNU Lesser General Public License, allowing both free and proprietary software to use it. GTK (formerly GIMP ToolKit and GTK+ ) is a free and open-source cross-platform widget toolkit for creating graphical user interfaces (GUIs).
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