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Save current highlighted item in search tab

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This commit is contained in:
Guillaume Gomez 2017-10-14 18:01:14 +02:00
parent 45bb03f60c
commit f44232688e
3 changed files with 34 additions and 17 deletions
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2
src/librustdoc/html/layout.rs
View File

@ -101,6 +101,8 @@ r##"<!DOCTYPE html>
<dd>Move up in search results</dd>
<dt>&rarrb;</dt>
<dd>Move down in search results</dd>
<dt>↹</dt>
<dd>Switch tab</dd>
<dt>&#9166;</dt>
<dd>Go to active search result</dd>
<dt>+</dt>

47
src/librustdoc/html/static/main.js
View File

@ -701,41 +701,56 @@
});
var search_input = document.getElementsByClassName('search-input')[0];
search_input.onkeydown = null;
search_input.onkeydown = function(e) {
var actives = [];
// "actives" references the currently highlighted item in each search tab.
// Each array in "actives" represents a tab.
var actives = [[], [], []];
// "current" is used to know which tab we're looking into.
var current = 0;
onEach(document.getElementsByClassName('search-results'), function(e) {
onEach(document.getElementsByClassName('highlighted'), function(e) {
actives.push(e);
onEach(e.getElementsByClassName('highlighted'), function(e) {
actives[current].push(e);
});
current += 1;
});
if (e.which === 38) { // up
if (!actives.length || !actives[0].previousElementSibling) {
if (!actives[currentTab].length ||
!actives[currentTab][0].previousElementSibling) {
return;
}
addClass(actives[0].previousElementSibling, 'highlighted');
removeClass(actives[0], 'highlighted');
addClass(actives[currentTab][0].previousElementSibling, 'highlighted');
removeClass(actives[currentTab][0], 'highlighted');
} else if (e.which === 40) { // down
if (!actives.length) {
if (!actives[currentTab].length) {
var results = document.getElementsByClassName('search-results');
if (results.length > 0) {
var res = results[0].getElementsByClassName('result');
var res = results[currentTab].getElementsByClassName('result');
if (res.length > 0) {
addClass(res[0], 'highlighted');
}
}
} else if (actives[0].nextElementSibling) {
addClass(actives[0].nextElementSibling, 'highlighted');
removeClass(actives[0], 'highlighted');
} else if (actives[currentTab][0].nextElementSibling) {
addClass(actives[currentTab][0].nextElementSibling, 'highlighted');
removeClass(actives[currentTab][0], 'highlighted');
}
} else if (e.which === 13) { // return
if (actives.length) {
document.location.href = actives[0].getElementsByTagName('a')[0].href;
if (actives[currentTab].length) {
document.location.href =
actives[currentTab][0].getElementsByTagName('a')[0].href;
}
} else if (actives.length > 0) {
removeClass(actives[0], 'highlighted');
} else if (e.which === 9) { // tab
if (e.shiftKey) {
printTab(currentTab > 0 ? currentTab - 1 : 2);
} else {
printTab(currentTab > 1 ? 0 : currentTab + 1);
}
e.preventDefault();
} else if (e.which === 16) { // shift
// Does nothing, it's just to avoid losing "focus" on the highlighted element.
} else if (actives[currentTab].length > 0) {
removeClass(actives[currentTab][0], 'highlighted');
}
};
}

2
src/librustdoc/html/static/rustdoc.css
View File

@ -552,7 +552,7 @@ body.blur > :not(#help) {
flex: 0 0 auto;
box-shadow: 0 0 6px rgba(0,0,0,.2);
width: 550px;
height: 330px;
height: 354px;
border: 1px solid;
}
#help dt {