diff options
author | Alex Yatskov <alex@foosoft.net> | 2016-04-23 21:13:34 -0700 |
---|---|---|
committer | Alex Yatskov <alex@foosoft.net> | 2016-04-23 21:13:34 -0700 |
commit | c8d0ef50046dde2e3214a242674dff3c6dbf2a45 (patch) | |
tree | f9372d8ee8ba2f6f64938ad384ffe8249062f83f /ext/fg/js/util.js | |
parent | defe4e5759354178c8a16d9df0bee0817abae99b (diff) |
WIP
Diffstat (limited to 'ext/fg/js/util.js')
-rw-r--r-- | ext/fg/js/util.js | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/ext/fg/js/util.js b/ext/fg/js/util.js deleted file mode 100644 index 4f4bcbd3..00000000 --- a/ext/fg/js/util.js +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (C) 2016 Alex Yatskov <alex@foosoft.net> - * Author: Alex Yatskov <alex@foosoft.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - - -function getRangeAtPoint(point, scanLength) { - const range = document.caretRangeFromPoint(point.x, point.y); - if (range === null) { - return null; - } - - const node = range.startContainer; - if (node.nodeType !== 3 /* TEXT_NODE */) { - return null; - } - - const offset = range.startOffset; - const length = Math.min(node.length - offset, scanLength); - if (length === 0) { - return null; - } - - range.setEnd(node, offset + length); - return range; -} - -function getRangePaddedRect(range) { - const node = range.startContainer; - const startOffset = range.startOffset; - const endOffset = range.endOffset; - - range.setStart(node, Math.max(0, startOffset - 1)); - range.setEnd(node, Math.min(node.length, endOffset + 1)); - const rect = range.getBoundingClientRect(); - range.setStart(node, startOffset); - range.setEnd(node, endOffset); - - return rect; -} - -function getPopupPositionForRange(popup, range, offset) { - const rangeRect = range.getBoundingClientRect(); - const popupRect = popup.getBoundingClientRect(); - - let posX = rangeRect.left; - if (posX + popupRect.width >= window.innerWidth) { - posX = window.innerWidth - popupRect.width; - } - - let posY = rangeRect.bottom + offset; - if (posY + popupRect.height >= window.innerHeight) { - posY = rangeRect.top - popupRect.height - offset; - } - - return {x: posX, y: posY}; -} |