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References are now written using normal links: You now use [`print`] or
[print a string][`print`]) instead of @{print} or @{print|print a
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28 lines
712 B
Markdown
28 lines
712 B
Markdown
---
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module: [kind=event] mouse_scroll
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---
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<!--
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SPDX-FileCopyrightText: 2021 The CC: Tweaked Developers
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SPDX-License-Identifier: LicenseRef-CCPL
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-->
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This event is fired when a mouse wheel is scrolled in the terminal.
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## Return values
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1. [`string`]: The event name.
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2. [`number`]: The direction of the scroll. (-1 = up, 1 = down)
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3. [`number`]: The X-coordinate of the mouse when scrolling.
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4. [`number`]: The Y-coordinate of the mouse when scrolling.
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## Example
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Prints the direction of each scroll, and the position of the mouse at the time.
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```lua
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while true do
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local event, dir, x, y = os.pullEvent("mouse_scroll")
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print(("The mouse was scrolled in direction %s at %d, %d"):format(dir, x, y))
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end
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```
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