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Doric/doric-Qt/doric/yoga/YGConfig.h

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2021-02-26 14:24:23 +08:00
/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include "Yoga-internal.h"
#include "Yoga.h"
struct YOGA_EXPORT YGConfig {
using LogWithContextFn = int (*)(
YGConfigRef config,
YGNodeRef node,
YGLogLevel level,
void* context,
const char* format,
va_list args);
using CloneWithContextFn = YGNodeRef (*)(
YGNodeRef node,
YGNodeRef owner,
int childIndex,
void* cloneContext);
private:
union {
CloneWithContextFn withContext;
YGCloneNodeFunc noContext;
} cloneNodeCallback_;
union {
LogWithContextFn withContext;
YGLogger noContext;
} logger_;
bool cloneNodeUsesContext_;
bool loggerUsesContext_;
public:
bool useWebDefaults = false;
bool useLegacyStretchBehaviour = false;
bool shouldDiffLayoutWithoutLegacyStretchBehaviour = false;
bool printTree = false;
float pointScaleFactor = 1.0f;
std::array<bool, facebook::yoga::enums::count<YGExperimentalFeature>()>
experimentalFeatures = {};
void* context = nullptr;
YGConfig(YGLogger logger);
void log(YGConfig*, YGNode*, YGLogLevel, void*, const char*, va_list);
void setLogger(YGLogger logger) {
logger_.noContext = logger;
loggerUsesContext_ = false;
}
void setLogger(LogWithContextFn logger) {
logger_.withContext = logger;
loggerUsesContext_ = true;
}
void setLogger(std::nullptr_t) { setLogger(YGLogger{nullptr}); }
YGNodeRef cloneNode(
YGNodeRef node,
YGNodeRef owner,
int childIndex,
void* cloneContext);
void setCloneNodeCallback(YGCloneNodeFunc cloneNode) {
cloneNodeCallback_.noContext = cloneNode;
cloneNodeUsesContext_ = false;
}
void setCloneNodeCallback(CloneWithContextFn cloneNode) {
cloneNodeCallback_.withContext = cloneNode;
cloneNodeUsesContext_ = true;
}
void setCloneNodeCallback(std::nullptr_t) {
setCloneNodeCallback(YGCloneNodeFunc{nullptr});
}
};