Why doesn Alt-Click work with Photoshop?
Some window managers use the Alt-Click combination to move windows. This means that the button click never reaches Photoshop. To get the Alt-Click in Photoshop you need to disable this key binding in your window manager. Each window manager may be different, however here are a few examples to help you find how you may be able to do this: On Mandrake 8.1 you can control this behavior by opening the KDE Control Center and going to Look’N’Feel -> Window Behavior. Once there, scroll to the ‘Inner window, titlebar and frame’ section at the bottom. There you can either change the ‘Modifier Key’ field or set ‘Modifier Key + Left Button’ to ‘Nothing’. Here the fields were set to ‘Alt’ and ‘Move’ respectively so that Alt+Left Click anywhere inside a window would move the window. After setting ‘Modifier Key + Left Button’ to ‘Nothing’ Alt+Left Click should have no special effect, and Photoshop should work correctly. On Gentoo, KDE 3.1 vanilla the way to turn it off is: Control Center Desktop → W
