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// Copyright 2019-2024 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
import { createSignal } from "solid-js"
const OS_NAME = (() => {
if (navigator.userAgent.includes("Mac")) return "macos"
if (navigator.userAgent.includes("Windows")) return "windows"
if (navigator.userAgent.includes("Linux")) return "linux"
return "unknown"
})()
const [webviewZoom, setWebviewZoom] = createSignal(1)
const MAX_ZOOM_LEVEL = 10
const MIN_ZOOM_LEVEL = 0.2
const clamp = (value: number) => Math.min(Math.max(value, MIN_ZOOM_LEVEL), MAX_ZOOM_LEVEL)
const applyZoom = (next: number) => {
setWebviewZoom(next)
void window.api.setZoomFactor(next)
}
window.addEventListener("keydown", (event) => {
if (!(OS_NAME === "macos" ? event.metaKey : event.ctrlKey)) return
if (event.key === "-") {
event.preventDefault()
applyZoom(clamp(webviewZoom() - 0.2))
return
}
if (event.key === "=" || event.key === "+") {
event.preventDefault()
applyZoom(clamp(webviewZoom() + 0.2))
return
}
if (event.key === "0") {
event.preventDefault()
applyZoom(1)
}
})
export { webviewZoom }
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