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Add util.Math.constrain.

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This commit is contained in:
Doug Kearns
2009-05-30 20:29:23 +10:00
parent 3e984c776d
commit 95dffaf95a
5 changed files with 27 additions and 14 deletions
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8
common/content/ui.js
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@@ -154,7 +154,7 @@ function CommandLine() //{{{
this.index += diff;
if (this.index < 0 || this.index > this.store.length)
{
this.index = Math.max(0, Math.min(this.store.length, this.index));
this.index = util.Math.constrain(this.index, 0, this.store.length);
liberator.beep();
// I don't know why this kludge is needed. It
// prevents the caret from moving to the end of
@@ -373,7 +373,7 @@ function CommandLine() //{{{
idx = null;
break;
default:
idx = Math.max(0, Math.min(this.items.length - 1, idx));
idx = util.Math.constrain(idx, 0, this.items.length - 1);
break;
}
@@ -479,7 +479,7 @@ function CommandLine() //{{{
if (this.type.list)
completionList.show();
this.wildIndex = Math.max(0, Math.min(this.wildtypes.length - 1, this.wildIndex + 1));
this.wildIndex = util.Math.constrain(this.wildIndex + 1, 0, this.wildtypes.length - 1);
this.preview();
statusTimer.tell();
@@ -1831,7 +1831,7 @@ function ItemList(id) //{{{
let end = startIndex + options["maxitems"];
function getRows(context)
{
function fix(n) Math.max(0, Math.min(len, n));
function fix(n) util.Math.constrain(n, 0, len);
end -= !!context.message + context.incomplete;
let len = context.items.length;
let start = off;