The K Desktop Environment

7.2. Mouse Techniques

Clicking on the border or the titlebar
Left

Activates and raises the window.

Middle

Lowers the window

Right

Shows the Window menu if the window is active, otherwise activates the window.

Doubleclick on the window title

Maximizes the window

Drag on the titlebar

Moves the window around

Drag on corners or edges

Resizes the window

Alt-Left Button

Moves the window around

Alt-Middle Button

Raises the window

Alt-Right Button

Resizes the window

Click on the Icon on the top left

Close the application

Click on the Sticky Button

toggles sticky

Clicking on Maximize
Left

Maximizes the window

Middle

Maximizes only vertically

Right

Maximizes horizontally