216 lines
6.6 KiB
C
216 lines
6.6 KiB
C
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#pragma once
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#include <assert.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#ifndef __cplusplus
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#include <stdbool.h>
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#endif
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// Not defined in MSVC++
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#ifndef NAN
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static const unsigned long __nan[2] = {0xffffffff, 0x7fffffff};
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#define NAN (*(const float *)__nan)
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#endif
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#define CSSUndefined NAN
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#include <CSSLayout/CSSMacros.h>
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CSS_EXTERN_C_BEGIN
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typedef enum CSSDirection {
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CSSDirectionInherit,
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CSSDirectionLTR,
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CSSDirectionRTL,
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} CSSDirection;
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typedef enum CSSFlexDirection {
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CSSFlexDirectionColumn,
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CSSFlexDirectionColumnReverse,
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CSSFlexDirectionRow,
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CSSFlexDirectionRowReverse,
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} CSSFlexDirection;
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typedef enum CSSJustify {
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CSSJustifyFlexStart,
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CSSJustifyCenter,
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CSSJustifyFlexEnd,
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CSSJustifySpaceBetween,
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CSSJustifySpaceAround,
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} CSSJustify;
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typedef enum CSSOverflow {
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CSSOverflowVisible,
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CSSOverflowHidden,
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} CSSOverflow;
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// Note: auto is only a valid value for alignSelf. It is NOT a valid value for
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// alignItems.
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typedef enum CSSAlign {
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CSSAlignAuto,
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CSSAlignFlexStart,
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CSSAlignCenter,
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CSSAlignFlexEnd,
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CSSAlignStretch,
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} CSSAlign;
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typedef enum CSSPositionType {
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CSSPositionTypeRelative,
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CSSPositionTypeAbsolute,
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} CSSPositionType;
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typedef enum CSSWrapType {
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CSSWrapTypeNoWrap,
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CSSWrapTypeWrap,
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} CSSWrapType;
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// Note: left and top are shared between position[2] and position[4], so
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// they have to be before right and bottom.
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typedef enum CSSPosition {
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CSSPositionLeft,
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CSSPositionTop,
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CSSPositionRight,
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CSSPositionBottom,
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CSSPositionStart,
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CSSPositionEnd,
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CSSPositionCount,
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} CSSPosition;
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typedef enum CSSMeasureMode {
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CSSMeasureModeUndefined,
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CSSMeasureModeExactly,
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CSSMeasureModeAtMost,
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CSSMeasureModeCount,
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} CSSMeasureMode;
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typedef enum CSSDimension {
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CSSDimensionWidth,
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CSSDimensionHeight,
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} CSSDimension;
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typedef enum CSSPrintOptions {
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CSSPrintOptionsLayout = 1,
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CSSPrintOptionsStyle = 2,
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CSSPrintOptionsChildren = 4,
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} CSSPrintOptions;
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typedef struct CSSSize {
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float width;
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float height;
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} CSSSize;
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typedef struct CSSNode * CSSNodeRef;
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typedef CSSSize (*CSSMeasureFunc)(void *context, float width, CSSMeasureMode widthMode, float height, CSSMeasureMode heightMode);
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typedef void (*CSSPrintFunc)(void *context);
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// CSSNode
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CSSNodeRef CSSNodeNew();
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void CSSNodeInit(CSSNodeRef node);
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void CSSNodeFree(CSSNodeRef node);
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void CSSNodeInsertChild(CSSNodeRef node, CSSNodeRef child, uint32_t index);
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void CSSNodeRemoveChild(CSSNodeRef node, CSSNodeRef child);
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CSSNodeRef CSSNodeGetChild(CSSNodeRef node, uint32_t index);
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uint32_t CSSNodeChildCount(CSSNodeRef node);
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void CSSNodeCalculateLayout(
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CSSNodeRef node,
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float availableWidth,
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float availableHeight,
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CSSDirection parentDirection);
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// Mark a node as dirty. Only valid for nodes with a custom measure function set.
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// CSSLayout knows when to mark all other nodes as dirty but because nodes with measure functions
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// depends on information not known to CSSLayout they must perform this dirty marking manually.
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void CSSNodeMarkDirty(CSSNodeRef node);
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void CSSNodePrint(CSSNodeRef node, CSSPrintOptions options);
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bool isUndefined(float value);
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#define CSS_NODE_PROPERTY(type, name, paramName) \
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void CSSNodeSet##name(CSSNodeRef node, type paramName); \
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type CSSNodeGet##name(CSSNodeRef node);
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#define CSS_NODE_STYLE_PROPERTY(type, name, paramName) \
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void CSSNodeStyleSet##name(CSSNodeRef node, type paramName); \
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type CSSNodeStyleGet##name(CSSNodeRef node);
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#define CSS_NODE_LAYOUT_PROPERTY(type, name) \
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type CSSNodeLayoutGet##name(CSSNodeRef node);
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CSS_NODE_PROPERTY(void*, Context, context);
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CSS_NODE_PROPERTY(CSSMeasureFunc, MeasureFunc, measureFunc);
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CSS_NODE_PROPERTY(CSSPrintFunc, PrintFunc, printFunc);
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CSS_NODE_PROPERTY(bool, IsTextnode, isTextNode);
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CSS_NODE_PROPERTY(bool, HasNewLayout, hasNewLayout);
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CSS_NODE_STYLE_PROPERTY(CSSDirection, Direction, direction);
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CSS_NODE_STYLE_PROPERTY(CSSFlexDirection, FlexDirection, flexDirection);
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CSS_NODE_STYLE_PROPERTY(CSSJustify, JustifyContent, justifyContent);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignContent, alignContent);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignItems, alignItems);
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CSS_NODE_STYLE_PROPERTY(CSSAlign, AlignSelf, alignSelf);
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CSS_NODE_STYLE_PROPERTY(CSSPositionType, PositionType, positionType);
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CSS_NODE_STYLE_PROPERTY(CSSWrapType, FlexWrap, flexWrap);
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CSS_NODE_STYLE_PROPERTY(CSSOverflow, Overflow, overflow);
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CSS_NODE_STYLE_PROPERTY(float, Flex, flex);
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CSS_NODE_STYLE_PROPERTY(float, PositionLeft, positionLeft);
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CSS_NODE_STYLE_PROPERTY(float, PositionTop, positionTop);
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CSS_NODE_STYLE_PROPERTY(float, PositionRight, positionRight);
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CSS_NODE_STYLE_PROPERTY(float, PositionBottom, positionBottom);
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CSS_NODE_STYLE_PROPERTY(float, PositionStart, positionStart);
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CSS_NODE_STYLE_PROPERTY(float, PositionEnd, positionEnd);
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CSS_NODE_STYLE_PROPERTY(float, MarginLeft, marginLeft);
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CSS_NODE_STYLE_PROPERTY(float, MarginTop, marginTop);
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CSS_NODE_STYLE_PROPERTY(float, MarginRight, marginRight);
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CSS_NODE_STYLE_PROPERTY(float, MarginBottom, marginBottom);
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CSS_NODE_STYLE_PROPERTY(float, MarginStart, marginStart);
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CSS_NODE_STYLE_PROPERTY(float, MarginEnd, marginEnd);
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CSS_NODE_STYLE_PROPERTY(float, PaddingLeft, paddingLeft);
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CSS_NODE_STYLE_PROPERTY(float, PaddingTop, paddingTop);
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CSS_NODE_STYLE_PROPERTY(float, PaddingRight, paddingRight);
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CSS_NODE_STYLE_PROPERTY(float, PaddingBottom, paddingBottom);
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CSS_NODE_STYLE_PROPERTY(float, PaddingStart, paddingStart);
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CSS_NODE_STYLE_PROPERTY(float, PaddingEnd, paddingEnd);
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CSS_NODE_STYLE_PROPERTY(float, BorderLeft, borderLeft);
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CSS_NODE_STYLE_PROPERTY(float, BorderTop, borderTop);
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CSS_NODE_STYLE_PROPERTY(float, BorderRight, borderRight);
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CSS_NODE_STYLE_PROPERTY(float, BorderBottom, borderBottom);
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CSS_NODE_STYLE_PROPERTY(float, BorderStart, borderStart);
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CSS_NODE_STYLE_PROPERTY(float, BorderEnd, borderEnd);
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CSS_NODE_STYLE_PROPERTY(float, Width, width);
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CSS_NODE_STYLE_PROPERTY(float, Height, height);
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CSS_NODE_STYLE_PROPERTY(float, MinWidth, minWidth);
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CSS_NODE_STYLE_PROPERTY(float, MinHeight, minHeight);
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CSS_NODE_STYLE_PROPERTY(float, MaxWidth, maxWidth);
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CSS_NODE_STYLE_PROPERTY(float, MaxHeight, maxHeight);
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CSS_NODE_LAYOUT_PROPERTY(float, Left);
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CSS_NODE_LAYOUT_PROPERTY(float, Top);
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CSS_NODE_LAYOUT_PROPERTY(float, Right);
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CSS_NODE_LAYOUT_PROPERTY(float, Bottom);
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CSS_NODE_LAYOUT_PROPERTY(float, Width);
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CSS_NODE_LAYOUT_PROPERTY(float, Height);
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CSS_NODE_LAYOUT_PROPERTY(CSSDirection, Direction);
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CSS_EXTERN_C_END
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