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excmds.ts: Make scrollline recursive, fix recursiveScroll

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glacambre 2018-04-11 08:23:11 +02:00
parent ec6226b1e4
commit dc6543719c
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1 changed files with 12 additions and 1 deletions
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13
src/excmds.ts
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@ -243,14 +243,25 @@ function recursiveScroll(x: number, y: number, nodes: Element[]) {
let top = rect.top
node.scrollBy(x, y);
if (top == node.getClientRects()[0].top) {
let children = Array.prototype.slice.call(node.children).filter(DOM.isVisible)
// children used to be .filter(DOM.isVisible)'d but apparently nodes
// that are !DOM.isVisible can have children that are DOM.isVisible
let children = Array.prototype.slice.call(node.childNodes)
recursiveScroll(x, y, nodes.concat(children))
}
}
//#content
export function scrollline(n = 1) {
let top = document.body.getClientRects()[0].top
window.scrollByLines(n)
if (top == document.body.getClientRects()[0].top) {
const cssHeight = window.getComputedStyle(document.body).getPropertyValue('line-height')
// Remove the "px" at the end
const lineHeight = parseInt(cssHeight.substr(0, cssHeight.length - 2))
// lineHeight probably can't be NaN but let's make sure
if (lineHeight)
recursiveScroll(0, lineHeight * n, [window.document.body])
}
}
//#content