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barLevel: Support maxValue higher than 1

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Ensure that both barLevel and slider can support a higher maxValue than 1
and computes various positions based on it.
It defaults to 1 if not set.

https://bugzilla.gnome.org/show_bug.cgi?id=790280.
This commit is contained in:
Didier Roche
2018-02-09 14:02:21 +01:00
committed by Florian Müllner
parent ed8e89bc19
commit 3f756dc608
2 changed files with 19 additions and 8 deletions
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19
js/ui/barLevel.js
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@ -14,7 +14,8 @@ var BarLevel = new Lang.Class({
if (isNaN(value))
// Avoid spreading NaNs around
throw TypeError('The bar level value must be a number');
this._value = Math.max(Math.min(value, 1), 0);
this._maxValue = 1;
this._value = Math.max(Math.min(value, this._maxValue), 0);
this._barLevelWidth = 0;
if (params == undefined)
@ -44,7 +45,15 @@ var BarLevel = new Lang.Class({
if (isNaN(value))
throw TypeError('The bar level value must be a number');
this._value = Math.max(Math.min(value, 1), 0);
this._value = Math.max(Math.min(value, this._maxValue), 0);
this.actor.queue_repaint();
},
setMaximumValue(value) {
if (isNaN(value))
throw TypeError('The bar level max value must be a number');
this._maxValue = Math.max(value, 1);
this.actor.queue_repaint();
},
@ -72,7 +81,9 @@ var BarLevel = new Lang.Class({
const TAU = Math.PI * 2;
let endX = barLevelBorderRadius + (width - 2 * barLevelBorderRadius) * this._value;
let endX = 0;
if (this._maxValue > 0)
endX = barLevelBorderRadius + (width - 2 * barLevelBorderRadius) * this._value / this._maxValue;
/* background bar */
cr.arc(width - barLevelBorderRadius - barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * 3 / 4, TAU * 1 / 4);
@ -118,7 +129,7 @@ var BarLevel = new Lang.Class({
},
_getMaximumValue(actor) {
return 1;
return this._maxValue;
},
_setCurrentValue(actor, value) {