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Feature auto margin

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Summary:
Even so I know there are some opinions against ```margin: 0 auto``` it's still part of the spec: https://www.w3.org/TR/css-flexbox-1/#auto-margins and pretty usefull if you have to position via ```justify-content```.

This PR adds an implementation for that.

It adds an additonal ```YGUnitAuto``` and margins got ```YGNodeStyleSetMarginAuto``` functions as well.
Closes https://github.com/facebook/yoga/pull/357

Reviewed By: astreet

Differential Revision: D4501142

Pulled By: emilsjolander

fbshipit-source-id: 86519f8632496f46e78a7c9dbc5b21e212e3e0c7
This commit is contained in:
Lukas Wöhrl
2017-02-14 14:26:09 -08:00
committed by Facebook Github Bot
parent 8a91c0a0e5
commit 1146013e9e
29 changed files with 3353 additions and 56 deletions
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15
yoga/Yoga.h
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@@ -44,6 +44,7 @@ typedef struct YGValue {
} YGValue;
static const YGValue YGValueUndefined = {YGUndefined, YGUnitUndefined};
static const YGValue YGValueAuto = {0, YGUnitAuto};
typedef struct YGNode *YGNodeRef;
typedef YGSize (*YGMeasureFunc)(YGNodeRef node,
@@ -121,6 +122,10 @@ WIN_EXPORT void YGNodeCopyStyle(const YGNodeRef dstNode, const YGNodeRef srcNode
WIN_EXPORT void YGNodeStyleSet##name##Percent(const YGNodeRef node, const float paramName); \
WIN_EXPORT type YGNodeStyleGet##name(const YGNodeRef node);
#define YG_NODE_STYLE_PROPERTY_UNIT_AUTO(type, name, paramName) \
YG_NODE_STYLE_PROPERTY_UNIT(type, name, paramName) \
WIN_EXPORT void YGNodeStyleSet##name##Auto(const YGNodeRef node);
#define YG_NODE_STYLE_EDGE_PROPERTY(type, name, paramName) \
WIN_EXPORT void YGNodeStyleSet##name(const YGNodeRef node, \
const YGEdge edge, \
@@ -136,6 +141,9 @@ WIN_EXPORT void YGNodeCopyStyle(const YGNodeRef dstNode, const YGNodeRef srcNode
const float paramName); \
WIN_EXPORT type YGNodeStyleGet##name(const YGNodeRef node, const YGEdge edge);
#define YG_NODE_STYLE_EDGE_PROPERTY_UNIT_AUTO(type, name) \
WIN_EXPORT void YGNodeStyleSet##name##Auto(const YGNodeRef node, const YGEdge edge);
#define YG_NODE_LAYOUT_PROPERTY(type, name) \
WIN_EXPORT type YGNodeLayoutGet##name(const YGNodeRef node);
@@ -162,15 +170,16 @@ YG_NODE_STYLE_PROPERTY(YGDisplay, Display, display);
WIN_EXPORT void YGNodeStyleSetFlex(const YGNodeRef node, const float flex);
YG_NODE_STYLE_PROPERTY(float, FlexGrow, flexGrow);
YG_NODE_STYLE_PROPERTY(float, FlexShrink, flexShrink);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, FlexBasis, flexBasis);
YG_NODE_STYLE_PROPERTY_UNIT_AUTO(YGValue, FlexBasis, flexBasis);
YG_NODE_STYLE_EDGE_PROPERTY_UNIT(YGValue, Position, position);
YG_NODE_STYLE_EDGE_PROPERTY_UNIT(YGValue, Margin, margin);
YG_NODE_STYLE_EDGE_PROPERTY_UNIT_AUTO(YGValue, Margin);
YG_NODE_STYLE_EDGE_PROPERTY_UNIT(YGValue, Padding, padding);
YG_NODE_STYLE_EDGE_PROPERTY(float, Border, border);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, Width, width);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, Height, height);
YG_NODE_STYLE_PROPERTY_UNIT_AUTO(YGValue, Width, width);
YG_NODE_STYLE_PROPERTY_UNIT_AUTO(YGValue, Height, height);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, MinWidth, minWidth);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, MinHeight, minHeight);
YG_NODE_STYLE_PROPERTY_UNIT(YGValue, MaxWidth, maxWidth);