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[show-hint addon] Resize popup if it doesn't fit in the viewport 

Issue https://github.com/codemirror/codemirror5/pull/6979
This commit is contained in:
Marijn Haverbeke 2022-08-26 18:17:39 +02:00
parent f1430486d9
commit ccacc38263
2 changed files with 8 additions and 13 deletions
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1
addon/hint/show-hint.css
View File

@ -19,6 +19,7 @@
max-height: 20em;
overflow-y: auto;
box-sizing: border-box;
}
.CodeMirror-hint {

20
addon/hint/show-hint.js
View File

@ -286,20 +286,14 @@
setTimeout(function() { startScroll = cm.getScrollInfo(); });
var overlapY = box.bottom - winH;
if (overlapY > 0) {
var height = box.bottom - box.top, curTop = pos.top - (pos.bottom - box.top);
if (curTop - height > 0) { // Fits above cursor
hints.style.top = (top = pos.top - height - offsetTop) + "px";
if (overlapY > 0) { // Does not fit below
var height = box.bottom - box.top, spaceAbove = box.top - (pos.bottom - pos.top) - 2
if (winH - box.top < spaceAbove) { // More room at the top
if (height > spaceAbove) hints.style.height = (height = spaceAbove) + "px";
hints.style.top = ((top = pos.top - height) + offsetTop) + "px";
below = false;
} else if (height > winH) {
hints.style.height = (winH - 5) + "px";
hints.style.top = (top = pos.bottom - box.top - offsetTop) + "px";
var cursor = cm.getCursor();
if (data.from.ch != cursor.ch) {
pos = cm.cursorCoords(cursor);
hints.style.left = (left = pos.left - offsetLeft) + "px";
box = hints.getBoundingClientRect();
}
} else {
hints.style.height = (winH - box.top - 2) + "px";
}
}
var overlapX = box.right - winW;