LinuxDev.net: Writing Gnome Panel Applets: Getting StartedMay 20, 2000, 18:05 (0 Talkback[s])
(Other stories by Daniel Solin)
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"This is the first article of the series, "Writing GNOME Panel Applets". We will go through the basic steps you need to know so you can successfully write an applet for the GNOME panel. We will finish this first article by looking at a very simple program example you can build, and going through it line by line."
"The GNOME panel plays a very important role in the GNOME desktop environment. It is a neat piece of software to which you can add menus and launchers for quick access to your favorite utilities and programs. You can also add small programs, known as applets. Applets are designed just as any other "real" program, but with the critical difference that they are not assigned to a window of their own (as with "real" Gnome applications). Instead, applets get a small area of the panel, from which they can be controlled. This means you can work with your "real" applications on the desktop, and still have access to your favorite mp3-player, system monitor, or whatever you like to have on your panel. Most people have at least two applets on their GNOME panel: the pager and the date/time applet."
"Writing your own panel applet is not hard at all. Actually, developing applets is very similar to developing standard GNOME/Gtk+ programs. You see, many of Gtk+'s functions have corresponding alternatives in the applet library libpanel_applet, and this makes it very easy to go from developing usual Gnome applications to panel applets. Let's take a look at a simple example."
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