File: `touch-screen.el.html`

This file provides code to recognize simple touch screen gestures.

It is used on X, PGTK, Android, and MS-Windows, currently the only systems where Emacs supports touch input.

See (elisp)Touchscreen Events for a description of the details of touch events.

Defined variables (16)

`touch-screen-aux-tool`	The ancillary tool being tracked, or nil.
`touch-screen-current-timer`	Timer used to track long-presses.
`touch-screen-current-tool`	The touch point currently being tracked, or nil.
`touch-screen-delay`	Delay in seconds before Emacs considers a touch to be a long-press.
`touch-screen-display-keyboard`	If non-nil, always display the on screen keyboard.
`touch-screen-enable-hscroll`	If non-nil, hscroll can be changed from the touch screen.
`touch-screen-extend-selection`	If non-nil, restart drag-to-select upon a tap on point or mark.
`touch-screen-keyboard-function`	Function that decides whether to display the on screen keyboard.
`touch-screen-precision-scroll`	Whether or not to use precision scrolling for touch screens.
`touch-screen-preview-select`	If non-nil, display a preview while selecting text.
`touch-screen-set-point-commands`	List of commands known to set the point.
`touch-screen-simple-mouse-conversion`	Whether to unconditionally enable simple mouse event translation.
`touch-screen-translate-prompt`	Prompt given to the touch screen translation function.
`touch-screen-word-select`	Whether or not to select whole words while dragging to select.
`touch-screen-word-select-bounds`	The start and end positions of the word last selected.
`touch-screen-word-select-initial-word`	The start and end positions of the first word to be selected.

`touch-screen-centrum`	(POS1 POS2)
`touch-screen-distance`	(POS1 POS2)
`touch-screen-drag`	(EVENT)
`touch-screen-handle-aux-point-update`	(POINT NUMBER)
`touch-screen-handle-point-up`	(POINT PREFIX CANCELED)
`touch-screen-handle-point-update`	(POINT)
`touch-screen-handle-scroll`	(DX DY)
`touch-screen-handle-timeout`	(ARG)
`touch-screen-handle-touch`	(EVENT PREFIX &optional INTERACTIVE)
`touch-screen-hold`	(EVENT)
`touch-screen-inhibit-drag`	()
`touch-screen-last-drag-position`	()
`touch-screen-pinch`	(EVENT)
`touch-screen-preview-select`	()
`touch-screen-relative-xy`	(POSN WINDOW)
`touch-screen-restart-drag`	(EVENT)
`touch-screen-scroll`	(EVENT)
`touch-screen-scroll-point-to-y`	(TARGET-POINT TARGET-Y)
`touch-screen-track-drag`	(EVENT UPDATE &optional DATA)
`touch-screen-track-tap`	(EVENT &optional UPDATE DATA THRESHOLD)
`touch-screen-translate-touch`	(PROMPT)
`touch-screen-window-selection-changed`	(FRAME)