128 Getting to Know the (Web proxy server) Common Features of
128 Getting to Know the Common Features of the GUIs Starting at the left, the first icon (regardless of what it shows) is the Main Menu button it s like the Start button in Microsoft Windows. Then come a few icons that start various programs. By the way, if you move the mouse pointer on top of an icon, a small Help balloon pops up and gives you a helpful hint about the icon. To the right of the leftmost set of icons, a workspace-switcher icon shows four rectangular areas, each representing a virtual desktop. The icon is variously known as Workspace Switcher, Desktop Pager, or simply Pager. You can click one of these rectangles to switch to a different virtual desktop. This feature is like having four separate virtual desktops to work with. To be honest, I end up using only one desktop, but I like knowing the others are there if I ever need them. On the other hand, if you re writing code and preparing a user s guide for a new program, you can use one desktop for all the coding work and a second desktop for writing the user s guide. You can, of course, switch from one desktop to the other with a single mouse click. The area to the right of the Desktop Pager icon displays buttons for the programs you have started so far. This area is blank if you have not yet started any programs. Other icons may be next to the Pager, but the date and time always appear at the far-right edge of the panel. Now for a little bit of technical detail about these icons on the panel. The panel itself is a separate application; each icon is a button or a program called an applet. The applets are little applications (also called plugins). These panel applets can do things such as launching other programs or displaying the date and time. To run an applet, right-click an empty area of the panel and select the appropriate menu item to add an applet to the panel. After adding the applet, you can right-click the applet s icon to configure it or perform some task that the applet supports. If you right-click any icon or right-click anywhere on the panel you get a context menu where you can do something relevant to that icon (such as move it or remove it entirely). You can also set some preferences and add more buttons and applets to the panel. Figure 1-8: A typical view of a KDE panel.
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