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Stop fields moving when focus changes (#6316)

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Previously, if you focused a field, fields below it would shift down by one pixel.

This change tries to guarantee that that won't happen.
This commit is contained in:
Ian Hickson 2016-10-13 18:15:59 -04:00 committed by GitHub
parent 3b56f12219
commit e8168401e5
1 changed files with 16 additions and 14 deletions
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30
packages/flutter/lib/src/material/input.dart
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@ -177,32 +177,34 @@ class _InputState extends State<Input> {
));
}
EdgeInsets margin = new EdgeInsets.only(bottom: config.isDense ? 4.0 : 8.0);
EdgeInsets padding = new EdgeInsets.only(top: topPadding, bottom: 8.0);
Color borderColor = activeColor;
double borderWidth = focused ? 2.0 : 1.0;
double bottomPadding = 8.0;
double bottomBorder = focused ? 2.0 : 1.0;
double bottomHeight = config.isDense ? 14.0 : 18.0;
if (errorText != null) {
borderColor = themeData.errorColor;
borderWidth = 2.0;
if (!config.isDense) {
margin = const EdgeInsets.only(bottom: 15.0);
padding = new EdgeInsets.only(top: topPadding, bottom: 1.0);
}
bottomBorder = 2.0;
if (!config.isDense)
bottomPadding = 1.0;
}
EdgeInsets padding = new EdgeInsets.only(top: topPadding, bottom: bottomPadding);
Border border = new Border(
bottom: new BorderSide(
color: borderColor,
width: bottomBorder,
)
);
EdgeInsets margin = new EdgeInsets.only(bottom: bottomHeight - (bottomPadding + bottomBorder));
stackChildren.add(new AnimatedContainer(
margin: margin,
padding: padding,
duration: _kTransitionDuration,
curve: _kTransitionCurve,
decoration: new BoxDecoration(
border: new Border(
bottom: new BorderSide(
color: borderColor,
width: borderWidth
)
)
border: border,
),
child: new RawInputLine(
key: _rawInputLineKey,