suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix keyboard response

Browse Source 
svn: r10790
This commit is contained in:
Eli Barzilay 2008-07-16 13:58:24 +00:00
parent 8cca45792c
commit 2628b28770
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
collects/scribblings/main/private/search.js
View File

@ -383,6 +383,17 @@ function PreFilter() {
var last_search_term, last_search_term_raw; var last_search_term, last_search_term_raw;
var search_results = [], first_search_result, exact_results_num; var search_results = [], first_search_result, exact_results_num;
var kill_bg_search = function(){ return; }; var kill_bg_search = function(){ return; };
var search_timer = false;
function DoDelayedSearch() {
// the whole delayed search thing was done to avoid redundant searching that
// get the UI stuck, but now the search happens on a "thread" anyway, so it
// might not be needed
var term = query.value;
if (term == last_search_term_raw) return;
kill_bg_search();
if (search_timer) clearTimeout(search_timer);
search_timer = setTimeout(DoSearch, type_delay);
}
function DoSearch() { function DoSearch() {
var term = query.value; var term = query.value;
if (term == last_search_term_raw) return; if (term == last_search_term_raw) return;
@ -506,7 +517,6 @@ function UpdateResults() {
saved_status = false; saved_status = false;
} }
var search_timer = false;
function HandleKeyEvent(event) { function HandleKeyEvent(event) {
var key = null; var key = null;
if (typeof event == "string") key = event; if (typeof event == "string") key = event;
@ -547,14 +557,9 @@ function HandleKeyEvent(event) {
} }
return false; return false;
} }
// what if we get a key just before the results are shown? we might // this function is called via onkeydown, which is happens before the change
// get them displayed and then the new search begins. this can be // is visible; so use a timer to call this after the input field is updated
// solved by using kill_bg_search() here, but then *all* keys abort setTimeout(DoDelayedSearch, 0);
// the current search, and that's a problem in case the new key
// won't make DoSearch start a new search (like Enter or using Tab).
// so leave it without that.
if (search_timer) clearTimeout(search_timer);
search_timer = setTimeout(DoSearch, type_delay);
return true; return true;
} }
key_handler = HandleKeyEvent; key_handler = HandleKeyEvent;