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The scroll wheel on a mouse has been invented multiple times by different people unaware of the others' work. Other scrolling controls on a mouse, and the use of a wheel for scrolling both precede the combination of wheel and mouse. The earliest known example of the former is the Mighty Mouse prototype developed jointly by NTT, Japan and ETH Zürich, Switzer
A scroll wheel on a conventional mouse may also be used. Moving the wheel in a desired direction moves the content in the same direction. [16] Most mice contain scroll wheels that only scroll up and down, but some mice contain scroll wheels that allow the user to scroll in any direction (up, down, left or right), including diagonal directions.
All other scrolling must be manually controlled by the user by use of scroll bars, mouse wheel, or Page Up/Page Down keys. Another alternate form of control is used in some spreadsheets when the Scroll Lock key is activated. In this case the caret is locked to the centre of the screen and the cursor keys instead move the worksheet itself ...
Mouse wheel may refer to: Hamster wheel; Treadmill; Treadwheel; The scroll wheel of a computer mouse This page was last edited on 5 ...
A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse. A computer mouse (plural mice, also mouses) [nb 1] is a hand-held pointing device that detects two-dimensional motion relative to a surface
The two keys are primarily used to scroll up or down in documents, but the scrolling distance varies between different applications. In word processors, for instance, they may jump by an emulated physical page or by a screen view that may show only part of one page or many pages at once depending on zoom factor.
Selection begins when the user either enters a hotkey combination, moves the mouse pointer to a hotspot on the screen, or, in some situations, uses the mouse's scroll wheel. Items are navigated using the keyboard or mouse. An item is selected by either releasing the hotkey, hitting the Enter key or clicking on it with the mouse.
OK, I'm an idiot. A co-worker pointed out to me that I could re-set how my browser displayed the site by holding down the the CTRL key and using the scroll wheel on my mouse. A bit of testing shows that such changes are retained by the browser for that site. Clearly at some point I must have CTRL-scrolled the font size up for WP.