mirror of
https://github.com/nicbarker/clay.git
synced 2025-04-15 10:48:04 +00:00
2274 lines
116 KiB
C
2274 lines
116 KiB
C
#pragma once
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#ifndef CLAY_IMPLEMENTATION
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#define CLAY_IMPLEMENTATION
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#ifdef CLAY_WASM
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#define CLAY_WASM_EXPORT(name) __attribute__((export_name(name)))
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#else
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#define CLAY_WASM_EXPORT(null)
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#endif
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#include "stdint.h"
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#include "stdbool.h"
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#ifdef CLAY_OVERFLOW_TRAP
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#include "signal.h"
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#endif
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#ifndef CLAY_MAX_ELEMENT_COUNT
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#define CLAY_MAX_ELEMENT_COUNT 8192
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#endif
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#ifndef CLAY__NULL
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#define CLAY__NULL 0
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#endif
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#ifndef CLAY__MAXFLOAT
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#define CLAY__MAXFLOAT 3.40282346638528859812e+38F
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#endif
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#define CLAY__MAX(x, y) (((x) > (y)) ? (x) : (y))
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#define CLAY__MIN(x, y) (((x) < (y)) ? (x) : (y))
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// Publicly visible config macro -----------------------------------------------------
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#define CLAY_LAYOUT(...) Clay_LayoutConfigArray_Add(&Clay__layoutConfigs, (Clay_LayoutConfig) {__VA_ARGS__ })
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#define CLAY_RECTANGLE_CONFIG(...) Clay_RectangleElementConfigArray_Add(&Clay__rectangleElementConfigs, (Clay_RectangleElementConfig) {__VA_ARGS__ })
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#define CLAY_TEXT_CONFIG(...) Clay_TextElementConfigArray_Add(&Clay__textElementConfigs, (Clay_TextElementConfig) {__VA_ARGS__ })
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#define CLAY_IMAGE_CONFIG(...) Clay_ImageElementConfigArray_Add(&Clay__imageElementConfigs, (Clay_ImageElementConfig) {__VA_ARGS__ })
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#define CLAY_FLOATING_CONFIG(...) Clay_FloatingElementConfigArray_Add(&Clay__floatingElementConfigs, (Clay_FloatingElementConfig) {__VA_ARGS__ })
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#define CLAY_CUSTOM_ELEMENT_CONFIG(...) Clay_CustomElementConfigArray_Add(&Clay__customElementConfigs, (Clay_CustomElementConfig) {__VA_ARGS__ })
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#define CLAY_SCROLL_CONFIG(...) Clay_ScrollContainerElementConfigArray_Add(&Clay__scrollElementConfigs, (Clay_ScrollContainerElementConfig) {__VA_ARGS__ })
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#define CLAY_BORDER_CONFIG(...) Clay_BorderContainerElementConfigArray_Add(&Clay__borderElementConfigs, (Clay_BorderContainerElementConfig ) { __VA_ARGS__ })
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#define CLAY_BORDER_CONFIG_OUTSIDE(...) Clay_BorderContainerElementConfigArray_Add(&Clay__borderElementConfigs, (Clay_BorderContainerElementConfig ) { .left = { __VA_ARGS__ }, .right = { __VA_ARGS__ }, .top = { __VA_ARGS__ }, .bottom = { __VA_ARGS__ } })
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#define CLAY_BORDER_CONFIG_OUTSIDE_RADIUS(width, color, radius) Clay_BorderContainerElementConfigArray_Add(&Clay__borderElementConfigs, (Clay_BorderContainerElementConfig ) { .left = { width, color }, .right = { width, color }, .top = { width, color }, .bottom = { width, color }, .cornerRadius = { radius, radius, radius, radius } })
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#define CLAY_BORDER_CONFIG_ALL(...) Clay_BorderContainerElementConfigArray_Add(&Clay__borderElementConfigs, (Clay_BorderContainerElementConfig ) { .left = { __VA_ARGS__ }, .right = { __VA_ARGS__ }, .top = { __VA_ARGS__ }, .bottom = { __VA_ARGS__ }, .betweenChildren = { __VA_ARGS__ } })
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#define CLAY_BORDER_CONFIG_ALL_RADIUS(width, color, radius) Clay_BorderContainerElementConfigArray_Add(&Clay__borderElementConfigs, (Clay_BorderContainerElementConfig ) { .left = { __VA_ARGS__ }, .right = { __VA_ARGS__ }, .top = { __VA_ARGS__ }, .bottom = { __VA_ARGS__ }, .betweenChildren = { __VA_ARGS__ }, .cornerRadius = { radius, radius, radius, radius }})
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#define CLAY_CORNER_RADIUS(radius) (Clay_CornerRadius) { radius, radius, radius, radius }
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#define CLAY_SIZING_FIT(...) (Clay_SizingAxis) { .type = CLAY__SIZING_TYPE_FIT, .sizeMinMax = (Clay_SizingMinMax) {__VA_ARGS__} }
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#define CLAY_SIZING_GROW(...) (Clay_SizingAxis) { .type = CLAY__SIZING_TYPE_GROW, .sizeMinMax = (Clay_SizingMinMax) {__VA_ARGS__} }
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#define CLAY_SIZING_FIXED(fixedSize) (Clay_SizingAxis) { .type = CLAY__SIZING_TYPE_GROW, .sizeMinMax = { fixedSize, fixedSize } }
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#define CLAY_SIZING_PERCENT(percentOfParent) (Clay_SizingAxis) { .type = CLAY__SIZING_TYPE_PERCENT, .sizePercent = percentOfParent }
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#define CLAY_ID(label) Clay__HashString(CLAY_STRING(label), 0)
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#define CLAY_IDI(label, index) Clay__HashString(CLAY_STRING(label), index)
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#define CLAY__STRING_LENGTH(s) ((sizeof(s) / sizeof(s[0])) - sizeof(s[0]))
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#define CLAY_STRING(string) (Clay_String) { .length = CLAY__STRING_LENGTH(string), .chars = string }
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// Publicly visible layout element macros -----------------------------------------------------
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#define CLAY_CONTAINER(id, layoutConfig, children) \
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Clay__OpenContainerElement(id, layoutConfig); \
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children \
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Clay__CloseContainerElement()
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#define CLAY_RECTANGLE(id, layoutConfig, rectangleConfig, children) \
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Clay__OpenRectangleElement(id, layoutConfig, rectangleConfig); \
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children \
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Clay__CloseContainerElement()
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#define CLAY_TEXT(id, text, textConfig) Clay__OpenTextElement(id, text, textConfig)
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#define CLAY_IMAGE(id, layoutConfig, imageConfig, children) \
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Clay__OpenImageContainerElement(id, layoutConfig, imageConfig); \
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children \
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Clay__CloseContainerElement()
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#define CLAY_SCROLL_CONTAINER(id, layoutConfig, scrollConfig, children) \
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Clay__OpenScrollElement(id, layoutConfig, scrollConfig); \
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children \
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Clay__CloseScrollContainerElement()
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#define CLAY_FLOATING_CONTAINER(id, layoutConfig, floatingConfig, children) \
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Clay__OpenFloatingContainerElement(id, layoutConfig, floatingConfig); \
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children \
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Clay__CloseFloatingContainer()
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#define CLAY_BORDER_CONTAINER(id, layoutConfig, borderConfig, children) \
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Clay__OpenBorderContainerElement(id, layoutConfig, borderConfig); \
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children \
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Clay__CloseContainerElement()
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#define CLAY_CUSTOM_ELEMENT(id, layoutConfig, customElementConfig, children) \
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Clay__OpenCustomElement(id, layoutConfig, customElementConfig); \
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children \
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Clay__CloseContainerElement()
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// Note: Clay_String is not guaranteed to be null terminated. It may be if created from a literal C string,
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// but it is also used to represent slices.
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typedef struct {
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int length;
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const char *chars;
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} Clay_String;
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Clay_String CLAY__SPACECHAR = (Clay_String) { .length = 1, .chars = " " };
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Clay_String CLAY__STRING_DEFAULT = (Clay_String) { .length = 0, .chars = "" };
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typedef struct {
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Clay_String label;
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uint64_t nextAllocation;
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uint64_t capacity;
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char *memory;
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} Clay_Arena;
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typedef struct
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{
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uint32_t capacity;
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uint32_t length;
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Clay_String *internalArray;
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} Clay_StringArray;
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Clay_StringArray Clay_warnings = (Clay_StringArray) {};
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Clay_String *Clay_StringArray_Add(Clay_StringArray *array, Clay_String item)
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{
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if (array->length < array->capacity) {
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array->internalArray[array->length++] = item;
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return &array->internalArray[array->length - 1];
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}
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else {
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#ifdef CLAY_OVERFLOW_TRAP
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raise(SIGTRAP);
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#endif
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}
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return &CLAY__STRING_DEFAULT;
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}
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Clay_StringArray Clay_StringArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena)
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{
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uint64_t totalSizeBytes = capacity * sizeof(Clay_String);
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Clay_StringArray array = (Clay_StringArray){.capacity = capacity, .length = 0};
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uint64_t arenaOffsetAligned = arena->nextAllocation + (arena->nextAllocation % sizeof(Clay_String));
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if (arenaOffsetAligned + totalSizeBytes <= arena->capacity) {
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array.internalArray = (Clay_String*)(arena->memory + arenaOffsetAligned);
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arena->nextAllocation = arenaOffsetAligned + totalSizeBytes;
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}
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else {
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Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to allocate array in arena, but arena is already at capacity and would overflow."));
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#ifdef CLAY_OVERFLOW_TRAP
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raise(SIGTRAP);
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#endif
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}
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return array;
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}
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void* Clay__Array_Allocate_Arena(uint32_t capacity, uint32_t itemSize, Clay_Arena *arena)
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{
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uint64_t totalSizeBytes = capacity * itemSize;
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uint64_t arenaOffsetAligned = arena->nextAllocation + (arena->nextAllocation % itemSize);
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if (arenaOffsetAligned + totalSizeBytes <= arena->capacity) {
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arena->nextAllocation = arenaOffsetAligned + totalSizeBytes;
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return (void*)(arena->memory + arenaOffsetAligned);
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}
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else {
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Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to allocate array in arena, but arena is already at capacity and would overflow."));
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#ifdef CLAY_OVERFLOW_TRAP
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raise(SIGTRAP);
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#endif
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}
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return CLAY__NULL;
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}
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bool Clay__Array_RangeCheck(int index, uint32_t length)
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{
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if (index < length && index >= 0) {
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return true;
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}
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Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Array access out of bounds."));
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#ifdef CLAY_OVERFLOW_TRAP
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raise(SIGTRAP);
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#endif
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return false;
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}
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bool Clay__Array_IncrementCapacityCheck(uint32_t length, uint32_t capacity)
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{
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if (length < capacity) {
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return true;
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}
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Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to add to array that is already at capacity."));
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#ifdef CLAY_OVERFLOW_TRAP
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raise(SIGTRAP);
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#endif
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return false;
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}
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bool CLAY__BOOL_DEFAULT = false;
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// __GENERATED__ template array_define TYPE=bool NAME=Clay__BoolArray
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#pragma region generated
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typedef struct
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{
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uint32_t capacity;
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uint32_t length;
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bool *internalArray;
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} Clay__BoolArray;
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Clay__BoolArray Clay__BoolArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
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return (Clay__BoolArray){.capacity = capacity, .length = 0, .internalArray = (bool *)Clay__Array_Allocate_Arena(capacity, sizeof(bool), arena)};
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}
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#pragma endregion
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// __GENERATED__ template
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typedef struct {
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float r, g, b, a;
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} Clay_Color;
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typedef struct {
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float x, y, width, height;
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} Clay_Rectangle;
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typedef struct {
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float width, height;
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} Clay_Dimensions;
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typedef struct {
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float x, y;
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} Clay_Vector2;
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typedef enum __attribute__((__packed__)) {
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CLAY_LEFT_TO_RIGHT,
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CLAY_TOP_TO_BOTTOM,
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} Clay_LayoutDirection;
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typedef enum __attribute__((__packed__)) {
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CLAY_ALIGN_X_LEFT,
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CLAY_ALIGN_X_RIGHT,
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CLAY_ALIGN_X_CENTER,
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} Clay_LayoutAlignmentX;
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typedef enum __attribute__((__packed__)) {
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CLAY_ALIGN_Y_TOP,
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CLAY_ALIGN_Y_BOTTOM,
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CLAY_ALIGN_Y_CENTER,
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} Clay_LayoutAlignmentY;
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typedef enum __attribute__((__packed__)) {
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CLAY__SIZING_TYPE_FIT,
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CLAY__SIZING_TYPE_GROW,
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CLAY__SIZING_TYPE_PERCENT,
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} Clay__SizingType;
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typedef enum {
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CLAY_RENDER_COMMAND_TYPE_NONE,
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CLAY_RENDER_COMMAND_TYPE_RECTANGLE,
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CLAY_RENDER_COMMAND_TYPE_BORDER,
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CLAY_RENDER_COMMAND_TYPE_TEXT,
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CLAY_RENDER_COMMAND_TYPE_IMAGE,
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CLAY_RENDER_COMMAND_TYPE_SCISSOR_START,
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CLAY_RENDER_COMMAND_TYPE_SCISSOR_END,
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CLAY_RENDER_COMMAND_TYPE_CUSTOM,
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} Clay_RenderCommandType;
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typedef enum __attribute__((__packed__)) {
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CLAY__LAYOUT_ELEMENT_TYPE_CONTAINER,
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CLAY__LAYOUT_ELEMENT_TYPE_RECTANGLE,
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CLAY__LAYOUT_ELEMENT_TYPE_BORDER_CONTAINER,
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CLAY__LAYOUT_ELEMENT_TYPE_FLOATING_CONTAINER,
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CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER,
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CLAY__LAYOUT_ELEMENT_TYPE_IMAGE,
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CLAY__LAYOUT_ELEMENT_TYPE_TEXT,
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CLAY__LAYOUT_ELEMENT_TYPE_CUSTOM,
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} Clay__LayoutElementType;
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Clay_RenderCommandType Clay__LayoutElementTypeToRenderCommandType[] = {
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[CLAY__LAYOUT_ELEMENT_TYPE_CONTAINER] = CLAY_RENDER_COMMAND_TYPE_NONE,
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[CLAY__LAYOUT_ELEMENT_TYPE_RECTANGLE] = CLAY_RENDER_COMMAND_TYPE_RECTANGLE,
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[CLAY__LAYOUT_ELEMENT_TYPE_FLOATING_CONTAINER] = CLAY_RENDER_COMMAND_TYPE_NONE,
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[CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER] = CLAY_RENDER_COMMAND_TYPE_NONE,
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[CLAY__LAYOUT_ELEMENT_TYPE_BORDER_CONTAINER] = CLAY_RENDER_COMMAND_TYPE_BORDER,
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[CLAY__LAYOUT_ELEMENT_TYPE_IMAGE] = CLAY_RENDER_COMMAND_TYPE_IMAGE,
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[CLAY__LAYOUT_ELEMENT_TYPE_TEXT] = CLAY_RENDER_COMMAND_TYPE_TEXT,
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[CLAY__LAYOUT_ELEMENT_TYPE_CUSTOM] = CLAY_RENDER_COMMAND_TYPE_CUSTOM,
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};
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typedef enum __attribute__((__packed__)) {
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CLAY_ATTACH_POINT_LEFT_TOP,
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CLAY_ATTACH_POINT_LEFT_CENTER,
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CLAY_ATTACH_POINT_LEFT_BOTTOM,
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CLAY_ATTACH_POINT_CENTER_TOP,
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CLAY_ATTACH_POINT_CENTER_CENTER,
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CLAY_ATTACH_POINT_CENTER_BOTTOM,
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CLAY_ATTACH_POINT_RIGHT_TOP,
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CLAY_ATTACH_POINT_RIGHT_CENTER,
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CLAY_ATTACH_POINT_RIGHT_BOTTOM,
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} Clay_FloatingAttachPointType;
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typedef struct
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{
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Clay_FloatingAttachPointType element;
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Clay_FloatingAttachPointType parent;
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} Clay_FloatingAttachPoints;
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typedef struct {
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Clay_LayoutAlignmentX x;
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Clay_LayoutAlignmentY y;
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} Clay_ChildAlignment;
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typedef struct {
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float min;
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float max;
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} Clay_SizingMinMax;
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typedef struct {
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union {
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Clay_SizingMinMax sizeMinMax;
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float sizePercent;
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};
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Clay__SizingType type;
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} Clay_SizingAxis;
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typedef struct {
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Clay_SizingAxis width;
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Clay_SizingAxis height;
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} Clay_Sizing;
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typedef struct {
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uint16_t x;
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uint16_t y;
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} Clay_Padding;
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typedef struct {
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float topLeft;
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float topRight;
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float bottomLeft;
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float bottomRight;
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} Clay_CornerRadius;
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typedef struct {
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Clay_Sizing sizing;
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Clay_Padding padding;
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uint16_t childGap;
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Clay_LayoutDirection layoutDirection;
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Clay_ChildAlignment childAlignment;
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} Clay_LayoutConfig;
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Clay_LayoutConfig CLAY_LAYOUT_DEFAULT = (Clay_LayoutConfig){};
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// __GENERATED__ template array_define,array_add TYPE=Clay_LayoutConfig NAME=Clay_LayoutConfigArray DEFAULT_VALUE=&CLAY_LAYOUT_DEFAULT
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#pragma region generated
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typedef struct
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{
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uint32_t capacity;
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uint32_t length;
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Clay_LayoutConfig *internalArray;
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} Clay_LayoutConfigArray;
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Clay_LayoutConfigArray Clay_LayoutConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
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return (Clay_LayoutConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_LayoutConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_LayoutConfig), arena)};
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}
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Clay_LayoutConfig *Clay_LayoutConfigArray_Add(Clay_LayoutConfigArray *array, Clay_LayoutConfig item) {
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if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
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array->internalArray[array->length++] = item;
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return &array->internalArray[array->length - 1];
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}
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return &CLAY_LAYOUT_DEFAULT;
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}
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#pragma endregion
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// __GENERATED__ template
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typedef struct {
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Clay_Color color;
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Clay_CornerRadius cornerRadius;
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#ifdef CLAY_EXTEND_CONFIG_RECTANGLE
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CLAY_EXTEND_CONFIG_RECTANGLE
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#endif
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} Clay_RectangleElementConfig;
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Clay_RectangleElementConfig CLAY__RECTANGLE_ELEMENT_CONFIG_DEFAULT = (Clay_RectangleElementConfig){0};
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// __GENERATED__ template array_define,array_add TYPE=Clay_RectangleElementConfig NAME=Clay_RectangleElementConfigArray DEFAULT_VALUE=&CLAY__RECTANGLE_ELEMENT_CONFIG_DEFAULT
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#pragma region generated
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typedef struct
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{
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uint32_t capacity;
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uint32_t length;
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Clay_RectangleElementConfig *internalArray;
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} Clay_RectangleElementConfigArray;
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Clay_RectangleElementConfigArray Clay_RectangleElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
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return (Clay_RectangleElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_RectangleElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_RectangleElementConfig), arena)};
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}
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Clay_RectangleElementConfig *Clay_RectangleElementConfigArray_Add(Clay_RectangleElementConfigArray *array, Clay_RectangleElementConfig item) {
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if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
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array->internalArray[array->length++] = item;
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return &array->internalArray[array->length - 1];
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}
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return &CLAY__RECTANGLE_ELEMENT_CONFIG_DEFAULT;
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}
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#pragma endregion
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// __GENERATED__ template
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typedef struct
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{
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Clay_Color textColor;
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uint16_t fontId;
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uint16_t fontSize;
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uint16_t letterSpacing;
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uint16_t lineSpacing;
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#ifdef CLAY_EXTEND_CONFIG_TEXT
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CLAY_EXTEND_CONFIG_TEXT
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#endif
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} Clay_TextElementConfig;
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Clay_TextElementConfig CLAY__TEXT_ELEMENT_CONFIG_DEFAULT = (Clay_TextElementConfig) {};
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// __GENERATED__ template array_define,array_add TYPE=Clay_TextElementConfig NAME=Clay_TextElementConfigArray DEFAULT_VALUE=&CLAY__TEXT_ELEMENT_CONFIG_DEFAULT
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#pragma region generated
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typedef struct
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{
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uint32_t capacity;
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uint32_t length;
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Clay_TextElementConfig *internalArray;
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} Clay_TextElementConfigArray;
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|
|
|
Clay_TextElementConfigArray Clay_TextElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_TextElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_TextElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_TextElementConfig), arena)};
|
|
}
|
|
Clay_TextElementConfig *Clay_TextElementConfigArray_Add(Clay_TextElementConfigArray *array, Clay_TextElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__TEXT_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
void * imageData;
|
|
Clay_Dimensions sourceDimensions;
|
|
#ifdef CLAY_EXTEND_CONFIG_IMAGE
|
|
CLAY_EXTEND_CONFIG_IMAGE
|
|
#endif
|
|
} Clay_ImageElementConfig;
|
|
|
|
Clay_ImageElementConfig CLAY__IMAGE_ELEMENT_CONFIG_DEFAULT = (Clay_ImageElementConfig) {};
|
|
|
|
// __GENERATED__ template array_define,array_add TYPE=Clay_ImageElementConfig NAME=Clay_ImageElementConfigArray DEFAULT_VALUE=&CLAY__IMAGE_ELEMENT_CONFIG_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_ImageElementConfig *internalArray;
|
|
} Clay_ImageElementConfigArray;
|
|
|
|
Clay_ImageElementConfigArray Clay_ImageElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_ImageElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_ImageElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_ImageElementConfig), arena)};
|
|
}
|
|
Clay_ImageElementConfig *Clay_ImageElementConfigArray_Add(Clay_ImageElementConfigArray *array, Clay_ImageElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__IMAGE_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_Vector2 offset;
|
|
Clay_Dimensions expand;
|
|
uint16_t zIndex;
|
|
uint32_t parentId;
|
|
Clay_FloatingAttachPoints attachment;
|
|
} Clay_FloatingElementConfig;
|
|
|
|
Clay_FloatingElementConfig CLAY__FLOATING_ELEMENT_CONFIG_DEFAULT = (Clay_FloatingElementConfig) {};
|
|
|
|
// __GENERATED__ template array_define,array_add TYPE=Clay_FloatingElementConfig NAME=Clay_FloatingElementConfigArray DEFAULT_VALUE=&CLAY__FLOATING_ELEMENT_CONFIG_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_FloatingElementConfig *internalArray;
|
|
} Clay_FloatingElementConfigArray;
|
|
|
|
Clay_FloatingElementConfigArray Clay_FloatingElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_FloatingElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_FloatingElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_FloatingElementConfig), arena)};
|
|
}
|
|
Clay_FloatingElementConfig *Clay_FloatingElementConfigArray_Add(Clay_FloatingElementConfigArray *array, Clay_FloatingElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__FLOATING_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
#ifndef CLAY_EXTEND_CONFIG_CUSTOM
|
|
void* customData;
|
|
#else
|
|
CLAY_EXTEND_CONFIG_CUSTOM
|
|
#endif
|
|
} Clay_CustomElementConfig;
|
|
|
|
Clay_CustomElementConfig CLAY__CUSTOM_ELEMENT_CONFIG_DEFAULT = (Clay_CustomElementConfig) {};
|
|
|
|
// __GENERATED__ template array_define,array_add TYPE=Clay_CustomElementConfig NAME=Clay_CustomElementConfigArray DEFAULT_VALUE=&CLAY__CUSTOM_ELEMENT_CONFIG_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_CustomElementConfig *internalArray;
|
|
} Clay_CustomElementConfigArray;
|
|
|
|
Clay_CustomElementConfigArray Clay_CustomElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_CustomElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_CustomElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_CustomElementConfig), arena)};
|
|
}
|
|
Clay_CustomElementConfig *Clay_CustomElementConfigArray_Add(Clay_CustomElementConfigArray *array, Clay_CustomElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__CUSTOM_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
bool horizontal;
|
|
bool vertical;
|
|
} Clay_ScrollContainerElementConfig;
|
|
|
|
Clay_ScrollContainerElementConfig CLAY__SCROLL_CONTAINER_ELEMENT_CONFIG_DEFAULT = (Clay_ScrollContainerElementConfig ) {};
|
|
|
|
// __GENERATED__ template array_define,array_add TYPE=Clay_ScrollContainerElementConfig NAME=Clay_ScrollContainerElementConfigArray DEFAULT_VALUE=&CLAY__SCROLL_CONTAINER_ELEMENT_CONFIG_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_ScrollContainerElementConfig *internalArray;
|
|
} Clay_ScrollContainerElementConfigArray;
|
|
|
|
Clay_ScrollContainerElementConfigArray Clay_ScrollContainerElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_ScrollContainerElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_ScrollContainerElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_ScrollContainerElementConfig), arena)};
|
|
}
|
|
Clay_ScrollContainerElementConfig *Clay_ScrollContainerElementConfigArray_Add(Clay_ScrollContainerElementConfigArray *array, Clay_ScrollContainerElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__SCROLL_CONTAINER_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
uint32_t width;
|
|
Clay_Color color;
|
|
} Clay_Border;
|
|
|
|
typedef struct
|
|
{
|
|
Clay_Border left;
|
|
Clay_Border right;
|
|
Clay_Border top;
|
|
Clay_Border bottom;
|
|
Clay_Border betweenChildren;
|
|
Clay_CornerRadius cornerRadius;
|
|
} Clay_BorderContainerElementConfig;
|
|
|
|
Clay_BorderContainerElementConfig CLAY__BORDER_CONTAINER_ELEMENT_CONFIG_DEFAULT = (Clay_BorderContainerElementConfig ) {};
|
|
|
|
// __GENERATED__ template array_define,array_add TYPE=Clay_BorderContainerElementConfig NAME=Clay_BorderContainerElementConfigArray DEFAULT_VALUE=&CLAY__BORDER_CONTAINER_ELEMENT_CONFIG_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_BorderContainerElementConfig *internalArray;
|
|
} Clay_BorderContainerElementConfigArray;
|
|
|
|
Clay_BorderContainerElementConfigArray Clay_BorderContainerElementConfigArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_BorderContainerElementConfigArray){.capacity = capacity, .length = 0, .internalArray = (Clay_BorderContainerElementConfig *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_BorderContainerElementConfig), arena)};
|
|
}
|
|
Clay_BorderContainerElementConfig *Clay_BorderContainerElementConfigArray_Add(Clay_BorderContainerElementConfigArray *array, Clay_BorderContainerElementConfig item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__BORDER_CONTAINER_ELEMENT_CONFIG_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
struct t_Clay_LayoutElement **elements;
|
|
uint16_t length;
|
|
} Clay__LayoutElementChildren;
|
|
|
|
typedef union
|
|
{
|
|
Clay_RectangleElementConfig *rectangleElementConfig;
|
|
Clay_TextElementConfig *textElementConfig;
|
|
Clay_ImageElementConfig *imageElementConfig;
|
|
Clay_FloatingElementConfig *floatingElementConfig;
|
|
Clay_CustomElementConfig *customElementConfig;
|
|
Clay_ScrollContainerElementConfig *scrollElementConfig;
|
|
Clay_BorderContainerElementConfig *borderElementConfig;
|
|
} Clay_ElementConfigUnion;
|
|
|
|
typedef struct t_Clay_LayoutElement
|
|
{
|
|
#ifdef CLAY_DEBUG
|
|
Clay_String name;
|
|
#endif
|
|
union {
|
|
Clay__LayoutElementChildren children;
|
|
Clay_String text;
|
|
};
|
|
Clay_Dimensions dimensions;
|
|
Clay_Dimensions minDimensions;
|
|
Clay_LayoutConfig *layoutConfig;
|
|
Clay_ElementConfigUnion elementConfig;
|
|
uint32_t id;
|
|
Clay__LayoutElementType elementType;
|
|
} Clay_LayoutElement;
|
|
|
|
Clay_LayoutElement CLAY__LAYOUT_ELEMENT_DEFAULT = (Clay_LayoutElement) {};
|
|
|
|
// __GENERATED__ template array_define,array_add,array_get TYPE=Clay_LayoutElement NAME=Clay_LayoutElementArray DEFAULT_VALUE=&CLAY__LAYOUT_ELEMENT_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_LayoutElement *internalArray;
|
|
} Clay_LayoutElementArray;
|
|
|
|
Clay_LayoutElementArray Clay_LayoutElementArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_LayoutElementArray){.capacity = capacity, .length = 0, .internalArray = (Clay_LayoutElement *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_LayoutElement), arena)};
|
|
}
|
|
Clay_LayoutElement *Clay_LayoutElementArray_Add(Clay_LayoutElementArray *array, Clay_LayoutElement item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__LAYOUT_ELEMENT_DEFAULT;
|
|
}
|
|
Clay_LayoutElement *Clay_LayoutElementArray_Get(Clay_LayoutElementArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__LAYOUT_ELEMENT_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_define,array_add,array_get,array_remove_swapback TYPE=Clay_LayoutElement* NAME=Clay__LayoutElementPointerArray DEFAULT_VALUE=CLAY__NULL
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_LayoutElement* *internalArray;
|
|
} Clay__LayoutElementPointerArray;
|
|
|
|
Clay__LayoutElementPointerArray Clay__LayoutElementPointerArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__LayoutElementPointerArray){.capacity = capacity, .length = 0, .internalArray = (Clay_LayoutElement* *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_LayoutElement*), arena)};
|
|
}
|
|
Clay_LayoutElement* *Clay__LayoutElementPointerArray_Add(Clay__LayoutElementPointerArray *array, Clay_LayoutElement* item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return CLAY__NULL;
|
|
}
|
|
Clay_LayoutElement* *Clay__LayoutElementPointerArray_Get(Clay__LayoutElementPointerArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : CLAY__NULL;
|
|
}
|
|
Clay_LayoutElement* Clay__LayoutElementPointerArray_RemoveSwapback(Clay__LayoutElementPointerArray *array, int index) {
|
|
if (Clay__Array_RangeCheck(index, array->length)) {
|
|
array->length--;
|
|
Clay_LayoutElement* removed = array->internalArray[index];
|
|
array->internalArray[index] = array->internalArray[array->length];
|
|
return removed;
|
|
}
|
|
return CLAY__NULL;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_Rectangle boundingBox;
|
|
Clay_ElementConfigUnion config;
|
|
Clay_String text; // TODO I wish there was a way to avoid having to have this on every render command
|
|
uint32_t id;
|
|
Clay_RenderCommandType commandType;
|
|
} Clay_RenderCommand;
|
|
|
|
Clay_RenderCommand CLAY__RENDER_COMMAND_DEFAULT = (Clay_RenderCommand) {};
|
|
|
|
// __GENERATED__ template array_define TYPE=Clay_RenderCommand NAME=Clay_RenderCommandArray
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_RenderCommand *internalArray;
|
|
} Clay_RenderCommandArray;
|
|
|
|
Clay_RenderCommandArray Clay_RenderCommandArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay_RenderCommandArray){.capacity = capacity, .length = 0, .internalArray = (Clay_RenderCommand *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_RenderCommand), arena)};
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_add TYPE=Clay_RenderCommand NAME=Clay_RenderCommandArray DEFAULT_VALUE=&CLAY__RENDER_COMMAND_DEFAULT
|
|
#pragma region generated
|
|
Clay_RenderCommand *Clay_RenderCommandArray_Add(Clay_RenderCommandArray *array, Clay_RenderCommand item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__RENDER_COMMAND_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_get TYPE=Clay_RenderCommand NAME=Clay_RenderCommandArray DEFAULT_VALUE=&CLAY__RENDER_COMMAND_DEFAULT
|
|
#pragma region generated
|
|
Clay_RenderCommand *Clay_RenderCommandArray_Get(Clay_RenderCommandArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__RENDER_COMMAND_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_LayoutElement *layoutElement;
|
|
Clay_Rectangle boundingBox;
|
|
Clay_Dimensions contentSize;
|
|
Clay_Vector2 scrollOrigin;
|
|
Clay_Vector2 pointerOrigin;
|
|
Clay_Vector2 scrollMomentum;
|
|
Clay_Vector2 scrollPosition;
|
|
float momentumTime;
|
|
uint32_t elementId;
|
|
bool openThisFrame;
|
|
bool pointerScrollActive;
|
|
} Clay__ScrollContainerData;
|
|
|
|
Clay__ScrollContainerData CLAY__SCROLL_CONTAINER_DEFAULT = (Clay__ScrollContainerData) {};
|
|
|
|
// __GENERATED__ template array_define TYPE=Clay__ScrollContainerData NAME=Clay__ScrollContainerDataArray
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay__ScrollContainerData *internalArray;
|
|
} Clay__ScrollContainerDataArray;
|
|
|
|
Clay__ScrollContainerDataArray Clay__ScrollContainerDataArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__ScrollContainerDataArray){.capacity = capacity, .length = 0, .internalArray = (Clay__ScrollContainerData *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay__ScrollContainerData), arena)};
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_add TYPE=Clay__ScrollContainerData NAME=Clay__ScrollContainerDataArray DEFAULT_VALUE=&CLAY__SCROLL_CONTAINER_DEFAULT
|
|
#pragma region generated
|
|
Clay__ScrollContainerData *Clay__ScrollContainerDataArray_Add(Clay__ScrollContainerDataArray *array, Clay__ScrollContainerData item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__SCROLL_CONTAINER_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_get TYPE=Clay__ScrollContainerData NAME=Clay__ScrollContainerDataArray DEFAULT_VALUE=&CLAY__SCROLL_CONTAINER_DEFAULT
|
|
#pragma region generated
|
|
Clay__ScrollContainerData *Clay__ScrollContainerDataArray_Get(Clay__ScrollContainerDataArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__SCROLL_CONTAINER_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
// __GENERATED__ template array_remove_swapback TYPE=Clay__ScrollContainerData NAME=Clay__ScrollContainerDataArray DEFAULT_VALUE=CLAY__SCROLL_CONTAINER_DEFAULT
|
|
#pragma region generated
|
|
Clay__ScrollContainerData Clay__ScrollContainerDataArray_RemoveSwapback(Clay__ScrollContainerDataArray *array, int index) {
|
|
if (Clay__Array_RangeCheck(index, array->length)) {
|
|
array->length--;
|
|
Clay__ScrollContainerData removed = array->internalArray[index];
|
|
array->internalArray[index] = array->internalArray[array->length];
|
|
return removed;
|
|
}
|
|
return CLAY__SCROLL_CONTAINER_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_Rectangle boundingBox;
|
|
uint32_t id;
|
|
Clay_LayoutElement* layoutElement;
|
|
int32_t nextIndex;
|
|
} Clay_LayoutElementHashMapItem;
|
|
|
|
Clay_LayoutElementHashMapItem CLAY__LAYOUT_ELEMENT_HASH_MAP_ITEM_DEFAULT = (Clay_LayoutElementHashMapItem) { .layoutElement = &CLAY__LAYOUT_ELEMENT_DEFAULT };
|
|
|
|
// __GENERATED__ template array_define,array_get,array_add,array_set TYPE=Clay_LayoutElementHashMapItem NAME=Clay__LayoutElementHashMapItemArray DEFAULT_VALUE=&CLAY__LAYOUT_ELEMENT_HASH_MAP_ITEM_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay_LayoutElementHashMapItem *internalArray;
|
|
} Clay__LayoutElementHashMapItemArray;
|
|
|
|
Clay__LayoutElementHashMapItemArray Clay__LayoutElementHashMapItemArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__LayoutElementHashMapItemArray){.capacity = capacity, .length = 0, .internalArray = (Clay_LayoutElementHashMapItem *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay_LayoutElementHashMapItem), arena)};
|
|
}
|
|
Clay_LayoutElementHashMapItem *Clay__LayoutElementHashMapItemArray_Get(Clay__LayoutElementHashMapItemArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__LAYOUT_ELEMENT_HASH_MAP_ITEM_DEFAULT;
|
|
}
|
|
Clay_LayoutElementHashMapItem *Clay__LayoutElementHashMapItemArray_Add(Clay__LayoutElementHashMapItemArray *array, Clay_LayoutElementHashMapItem item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__LAYOUT_ELEMENT_HASH_MAP_ITEM_DEFAULT;
|
|
}
|
|
void Clay__LayoutElementHashMapItemArray_Set(Clay__LayoutElementHashMapItemArray *array, int index, Clay_LayoutElementHashMapItem value) {
|
|
if (index < array->capacity && index >= 0) {
|
|
array->internalArray[index] = value;
|
|
array->length = index < array->length ? array->length : index + 1;
|
|
} else {
|
|
Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to allocate array in arena, but arena is already at capacity and would overflow."));
|
|
#ifdef CLAY_OVERFLOW_TRAP
|
|
raise(SIGTRAP);
|
|
#endif
|
|
}
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_Dimensions dimensions;
|
|
uint32_t id;
|
|
int32_t nextIndex;
|
|
} Clay__MeasureTextCacheItem;
|
|
|
|
Clay__MeasureTextCacheItem CLAY__MEASURE_TEXT_CACHE_ITEM_DEFAULT = (Clay__MeasureTextCacheItem) { };
|
|
|
|
// __GENERATED__ template array_define,array_get,array_add,array_set TYPE=Clay__MeasureTextCacheItem NAME=Clay__MeasureTextCacheItemArray DEFAULT_VALUE=&CLAY__MEASURE_TEXT_CACHE_ITEM_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay__MeasureTextCacheItem *internalArray;
|
|
} Clay__MeasureTextCacheItemArray;
|
|
|
|
Clay__MeasureTextCacheItemArray Clay__MeasureTextCacheItemArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__MeasureTextCacheItemArray){.capacity = capacity, .length = 0, .internalArray = (Clay__MeasureTextCacheItem *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay__MeasureTextCacheItem), arena)};
|
|
}
|
|
Clay__MeasureTextCacheItem *Clay__MeasureTextCacheItemArray_Get(Clay__MeasureTextCacheItemArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__MEASURE_TEXT_CACHE_ITEM_DEFAULT;
|
|
}
|
|
Clay__MeasureTextCacheItem *Clay__MeasureTextCacheItemArray_Add(Clay__MeasureTextCacheItemArray *array, Clay__MeasureTextCacheItem item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__MEASURE_TEXT_CACHE_ITEM_DEFAULT;
|
|
}
|
|
void Clay__MeasureTextCacheItemArray_Set(Clay__MeasureTextCacheItemArray *array, int index, Clay__MeasureTextCacheItem value) {
|
|
if (index < array->capacity && index >= 0) {
|
|
array->internalArray[index] = value;
|
|
array->length = index < array->length ? array->length : index + 1;
|
|
} else {
|
|
Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to allocate array in arena, but arena is already at capacity and would overflow."));
|
|
#ifdef CLAY_OVERFLOW_TRAP
|
|
raise(SIGTRAP);
|
|
#endif
|
|
}
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
int32_t CLAY__INDEX_ARRAY_DEFAULT_VALUE = -1;
|
|
|
|
// __GENERATED__ template array_define,array_get,array_add,array_set TYPE=int32_t NAME=Clay__int32_tArray DEFAULT_VALUE=&CLAY__INDEX_ARRAY_DEFAULT_VALUE
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
int32_t *internalArray;
|
|
} Clay__int32_tArray;
|
|
|
|
Clay__int32_tArray Clay__int32_tArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__int32_tArray){.capacity = capacity, .length = 0, .internalArray = (int32_t *)Clay__Array_Allocate_Arena(capacity, sizeof(int32_t), arena)};
|
|
}
|
|
int32_t *Clay__int32_tArray_Get(Clay__int32_tArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__INDEX_ARRAY_DEFAULT_VALUE;
|
|
}
|
|
int32_t *Clay__int32_tArray_Add(Clay__int32_tArray *array, int32_t item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__INDEX_ARRAY_DEFAULT_VALUE;
|
|
}
|
|
void Clay__int32_tArray_Set(Clay__int32_tArray *array, int index, int32_t value) {
|
|
if (index < array->capacity && index >= 0) {
|
|
array->internalArray[index] = value;
|
|
array->length = index < array->length ? array->length : index + 1;
|
|
} else {
|
|
Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Attempting to allocate array in arena, but arena is already at capacity and would overflow."));
|
|
#ifdef CLAY_OVERFLOW_TRAP
|
|
raise(SIGTRAP);
|
|
#endif
|
|
}
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
Clay_LayoutElement *Clay__openLayoutElement = CLAY__NULL;
|
|
|
|
typedef struct
|
|
{
|
|
Clay_LayoutElement *layoutElement;
|
|
Clay_Vector2 position;
|
|
Clay_Vector2 nextChildOffset;
|
|
} Clay__LayoutElementTreeNode;
|
|
|
|
Clay__LayoutElementTreeNode CLAY__LAYOUT_ELEMENT_TREE_NODE_DEFAULT = (Clay__LayoutElementTreeNode) {};
|
|
|
|
// __GENERATED__ template array_define,array_add,array_get TYPE=Clay__LayoutElementTreeNode NAME=Clay__LayoutElementTreeNodeArray DEFAULT_VALUE=&CLAY__LAYOUT_ELEMENT_TREE_NODE_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay__LayoutElementTreeNode *internalArray;
|
|
} Clay__LayoutElementTreeNodeArray;
|
|
|
|
Clay__LayoutElementTreeNodeArray Clay__LayoutElementTreeNodeArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__LayoutElementTreeNodeArray){.capacity = capacity, .length = 0, .internalArray = (Clay__LayoutElementTreeNode *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay__LayoutElementTreeNode), arena)};
|
|
}
|
|
Clay__LayoutElementTreeNode *Clay__LayoutElementTreeNodeArray_Add(Clay__LayoutElementTreeNodeArray *array, Clay__LayoutElementTreeNode item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__LAYOUT_ELEMENT_TREE_NODE_DEFAULT;
|
|
}
|
|
Clay__LayoutElementTreeNode *Clay__LayoutElementTreeNodeArray_Get(Clay__LayoutElementTreeNodeArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__LAYOUT_ELEMENT_TREE_NODE_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
typedef struct
|
|
{
|
|
Clay_LayoutElement *layoutElement;
|
|
uint32_t parentId; // This can be zero in the case of the root layout tree
|
|
uint32_t clipElementId; // This can be zero if there is no clip element
|
|
uint32_t zIndex;
|
|
} Clay__LayoutElementTreeRoot;
|
|
|
|
Clay__LayoutElementTreeRoot CLAY__LAYOUT_ELEMENT_TREE_ROOT_DEFAULT = (Clay__LayoutElementTreeRoot) {};
|
|
|
|
// __GENERATED__ template array_define,array_add,array_get TYPE=Clay__LayoutElementTreeRoot NAME=Clay__LayoutElementTreeRootArray DEFAULT_VALUE=&CLAY__LAYOUT_ELEMENT_TREE_ROOT_DEFAULT
|
|
#pragma region generated
|
|
typedef struct
|
|
{
|
|
uint32_t capacity;
|
|
uint32_t length;
|
|
Clay__LayoutElementTreeRoot *internalArray;
|
|
} Clay__LayoutElementTreeRootArray;
|
|
|
|
Clay__LayoutElementTreeRootArray Clay__LayoutElementTreeRootArray_Allocate_Arena(uint32_t capacity, Clay_Arena *arena) {
|
|
return (Clay__LayoutElementTreeRootArray){.capacity = capacity, .length = 0, .internalArray = (Clay__LayoutElementTreeRoot *)Clay__Array_Allocate_Arena(capacity, sizeof(Clay__LayoutElementTreeRoot), arena)};
|
|
}
|
|
Clay__LayoutElementTreeRoot *Clay__LayoutElementTreeRootArray_Add(Clay__LayoutElementTreeRootArray *array, Clay__LayoutElementTreeRoot item) {
|
|
if (Clay__Array_IncrementCapacityCheck(array->length, array->capacity)) {
|
|
array->internalArray[array->length++] = item;
|
|
return &array->internalArray[array->length - 1];
|
|
}
|
|
return &CLAY__LAYOUT_ELEMENT_TREE_ROOT_DEFAULT;
|
|
}
|
|
Clay__LayoutElementTreeRoot *Clay__LayoutElementTreeRootArray_Get(Clay__LayoutElementTreeRootArray *array, int index) {
|
|
return Clay__Array_RangeCheck(index, array->length) ? &array->internalArray[index] : &CLAY__LAYOUT_ELEMENT_TREE_ROOT_DEFAULT;
|
|
}
|
|
#pragma endregion
|
|
// __GENERATED__ template
|
|
|
|
Clay_Vector2 Clay__pointerPosition = (Clay_Vector2) { -1, -1 };
|
|
uint64_t Clay__arenaResetOffset = 0;
|
|
Clay_Arena Clay__internalArena;
|
|
// Layout Elements / Render Commands
|
|
Clay_LayoutElementArray Clay__layoutElements;
|
|
Clay_RenderCommandArray Clay__renderCommands;
|
|
Clay__LayoutElementPointerArray Clay__openLayoutElementStack;
|
|
Clay__LayoutElementPointerArray Clay__layoutElementChildren;
|
|
Clay__LayoutElementPointerArray Clay__layoutElementChildrenBuffer;
|
|
Clay__LayoutElementPointerArray Clay__textElementPointers;
|
|
Clay__LayoutElementPointerArray Clay__imageElementPointers;
|
|
Clay__LayoutElementPointerArray Clay__layoutElementReusableBuffer;
|
|
// Configs
|
|
Clay_LayoutConfigArray Clay__layoutConfigs;
|
|
Clay_RectangleElementConfigArray Clay__rectangleElementConfigs;
|
|
Clay_TextElementConfigArray Clay__textElementConfigs;
|
|
Clay_ImageElementConfigArray Clay__imageElementConfigs;
|
|
Clay_FloatingElementConfigArray Clay__floatingElementConfigs;
|
|
Clay_ScrollContainerElementConfigArray Clay__scrollElementConfigs;
|
|
Clay_CustomElementConfigArray Clay__customElementConfigs;
|
|
Clay_BorderContainerElementConfigArray Clay__borderElementConfigs;
|
|
// Misc Data Structures
|
|
Clay__LayoutElementTreeNodeArray Clay__layoutElementTreeNodeArray1;
|
|
Clay__LayoutElementTreeRootArray Clay__layoutElementTreeRoots;
|
|
Clay__LayoutElementHashMapItemArray Clay__layoutElementsHashMapInternal;
|
|
Clay__int32_tArray Clay__layoutElementsHashMap;
|
|
Clay__MeasureTextCacheItemArray Clay__measureTextHashMapInternal;
|
|
Clay__int32_tArray Clay__measureTextHashMap;
|
|
Clay__int32_tArray Clay__openClipElementStack;
|
|
Clay__int32_tArray Clay__pointerOverIds;
|
|
Clay__ScrollContainerDataArray Clay__scrollContainerOffsets;
|
|
Clay__BoolArray Clay__treeNodeVisited;
|
|
|
|
#if CLAY_WASM
|
|
__attribute__((import_module("clay"), import_name("measureTextFunction"))) Clay_Dimensions Clay__MeasureText(Clay_String *text, Clay_TextElementConfig *config);
|
|
#else
|
|
Clay_Dimensions (*Clay__MeasureText)(Clay_String *text, Clay_TextElementConfig *config);
|
|
#endif
|
|
|
|
Clay_String LAST_HASH;
|
|
|
|
uint32_t Clay__HashString(Clay_String key, const uint32_t offset) {
|
|
uint32_t hash = 0;
|
|
|
|
for (int i = 0; i < key.length; i++) {
|
|
hash += key.chars[i];
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
}
|
|
hash += offset;
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
|
|
hash += (hash << 3);
|
|
hash ^= (hash >> 11);
|
|
hash += (hash << 15);
|
|
#ifdef CLAY_DEBUG
|
|
LAST_HASH = key;
|
|
LAST_HASH.length = (int)offset;
|
|
#endif
|
|
return hash + 1; // Reserve the hash result of zero as "null id"
|
|
}
|
|
|
|
uint32_t Clay__RehashWithNumber(uint32_t id, uint32_t number) {
|
|
id += number;
|
|
id += (id << 10);
|
|
id ^= (id >> 6);
|
|
|
|
id += (id << 3);
|
|
id ^= (id >> 11);
|
|
id += (id << 15);
|
|
return id;
|
|
}
|
|
|
|
uint32_t Clay__HashTextWithConfig(Clay_String *text, Clay_TextElementConfig *config) {
|
|
union {
|
|
float fontSize;
|
|
uint32_t bits;
|
|
} fontSizeBits = { .fontSize = config->fontSize };
|
|
uint32_t hash = 0;
|
|
uint64_t pointerAsNumber = (uint64_t)text->chars;
|
|
|
|
hash += pointerAsNumber;
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
|
|
hash += text->length;
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
|
|
hash += config->fontId;
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
|
|
hash += fontSizeBits.bits;
|
|
hash += (hash << 10);
|
|
hash ^= (hash >> 6);
|
|
|
|
hash += (hash << 3);
|
|
hash ^= (hash >> 11);
|
|
hash += (hash << 15);
|
|
return hash + 1; // Reserve the hash result of zero as "null id"
|
|
}
|
|
|
|
Clay_Dimensions Clay__MeasureTextCached(Clay_String *text, Clay_TextElementConfig *config) {
|
|
if (text->length < 50) {
|
|
return Clay__MeasureText(text, config);
|
|
}
|
|
uint32_t id = Clay__HashTextWithConfig(text, config);
|
|
uint32_t hashBucket = id % Clay__measureTextHashMap.capacity;
|
|
int32_t elementIndexPrevious = 0;
|
|
int32_t elementIndex = Clay__measureTextHashMap.internalArray[hashBucket];
|
|
while (elementIndex != 0) {
|
|
Clay__MeasureTextCacheItem *hashEntry = Clay__MeasureTextCacheItemArray_Get(&Clay__measureTextHashMapInternal, elementIndex);
|
|
if (hashEntry->id == id) {
|
|
return hashEntry->dimensions;
|
|
}
|
|
elementIndexPrevious = elementIndex;
|
|
elementIndex = hashEntry->nextIndex;
|
|
}
|
|
Clay_Dimensions measured = Clay__MeasureText(text, config);
|
|
if (elementIndexPrevious != 0) {
|
|
Clay__MeasureTextCacheItemArray_Get(&Clay__measureTextHashMapInternal, elementIndexPrevious)->nextIndex = (int32_t)Clay__measureTextHashMapInternal.length - 1;
|
|
} else {
|
|
Clay__measureTextHashMap.internalArray[hashBucket] = (int32_t)Clay__measureTextHashMapInternal.length - 1;
|
|
}
|
|
return measured;
|
|
}
|
|
|
|
bool Clay__PointIsInsideRect(Clay_Vector2 point, Clay_Rectangle rect) {
|
|
return point.x >= rect.x && point.x <= rect.x + rect.width && point.y >= rect.y && point.y <= rect.y + rect.height;
|
|
}
|
|
|
|
Clay_LayoutElementHashMapItem* Clay__AddHashMapItem(uint32_t id, Clay_LayoutElement* layoutElement) {
|
|
Clay_LayoutElementHashMapItem item = (Clay_LayoutElementHashMapItem) { .id = id, .layoutElement = layoutElement, .nextIndex = -1 };
|
|
uint32_t hashBucket = id % Clay__layoutElementsHashMap.capacity;
|
|
int32_t hashItemPrevious = -1;
|
|
int32_t hashItemIndex = Clay__layoutElementsHashMap.internalArray[hashBucket];
|
|
while (hashItemIndex != -1) { // Just replace collision, not a big deal - leave it up to the end user
|
|
Clay_LayoutElementHashMapItem *hashItem = Clay__LayoutElementHashMapItemArray_Get(&Clay__layoutElementsHashMapInternal, hashItemIndex);
|
|
if (hashItem->id == id) { // Collision - swap out linked list item
|
|
item.nextIndex = hashItem->nextIndex;
|
|
Clay__LayoutElementHashMapItemArray_Set(&Clay__layoutElementsHashMapInternal, hashItemIndex, item);
|
|
return Clay__LayoutElementHashMapItemArray_Get(&Clay__layoutElementsHashMapInternal, hashItemIndex);
|
|
}
|
|
hashItemPrevious = hashItemIndex;
|
|
hashItemIndex = hashItem->nextIndex;
|
|
}
|
|
if (hashItemPrevious != -1) {
|
|
Clay__LayoutElementHashMapItemArray_Get(&Clay__layoutElementsHashMapInternal, hashItemPrevious)->nextIndex = (int32_t)Clay__layoutElementsHashMapInternal.length;
|
|
}
|
|
Clay_LayoutElementHashMapItem *hashItem = Clay__LayoutElementHashMapItemArray_Add(&Clay__layoutElementsHashMapInternal, item);
|
|
Clay__layoutElementsHashMap.internalArray[hashBucket] = (int32_t)Clay__layoutElementsHashMapInternal.length - 1;
|
|
return hashItem;
|
|
}
|
|
|
|
Clay_LayoutElementHashMapItem *Clay__GetHashMapItem(uint32_t id) {
|
|
uint32_t hashBucket = id % Clay__layoutElementsHashMap.capacity;
|
|
int32_t elementIndex = Clay__layoutElementsHashMap.internalArray[hashBucket];
|
|
while (elementIndex != -1) {
|
|
Clay_LayoutElementHashMapItem *hashEntry = Clay__LayoutElementHashMapItemArray_Get(&Clay__layoutElementsHashMapInternal, elementIndex);
|
|
if (hashEntry->id == id) {
|
|
return hashEntry;
|
|
}
|
|
elementIndex = hashEntry->nextIndex;
|
|
}
|
|
return CLAY__NULL;
|
|
}
|
|
|
|
Clay_LayoutElement *Clay__OpenElementWithParent(uint32_t id, Clay__LayoutElementType commandType, Clay_LayoutConfig* layoutConfig, Clay_ElementConfigUnion elementConfig) {
|
|
Clay_LayoutElement layoutElement = (Clay_LayoutElement) {
|
|
#ifdef CLAY_DEBUG
|
|
.name = LAST_HASH,
|
|
#endif
|
|
.id = id,
|
|
.elementType = commandType,
|
|
.minDimensions = (Clay_Dimensions) { (float)layoutConfig->padding.x * 2, (float)layoutConfig->padding.y * 2 },
|
|
.children = (Clay__LayoutElementChildren) { .length = 0 },
|
|
.layoutConfig = layoutConfig,
|
|
.elementConfig = elementConfig,
|
|
};
|
|
|
|
if (layoutConfig->sizing.width.type != CLAY__SIZING_TYPE_PERCENT) {
|
|
layoutElement.dimensions.width = (float)layoutConfig->padding.x * 2;
|
|
layoutElement.minDimensions.width = CLAY__MAX(layoutElement.minDimensions.width, layoutConfig->sizing.width.sizeMinMax.min);
|
|
if (layoutConfig->sizing.width.sizeMinMax.max <= 0) { // Set the max size if the user didn't specify, makes calculations easier
|
|
layoutConfig->sizing.width.sizeMinMax.max = CLAY__MAXFLOAT;
|
|
}
|
|
}
|
|
if (layoutConfig->sizing.height.type != CLAY__SIZING_TYPE_PERCENT) {
|
|
layoutElement.dimensions.height = (float)layoutConfig->padding.y * 2;
|
|
layoutElement.minDimensions.height = CLAY__MAX(layoutElement.minDimensions.height, layoutConfig->sizing.height.sizeMinMax.min);
|
|
if (layoutConfig->sizing.height.sizeMinMax.max <= 0) { // Set the max size if the user didn't specify, makes calculations easier
|
|
layoutConfig->sizing.height.sizeMinMax.max = CLAY__MAXFLOAT;
|
|
}
|
|
}
|
|
|
|
Clay__openLayoutElement = Clay_LayoutElementArray_Add(&Clay__layoutElements, layoutElement);
|
|
Clay__LayoutElementPointerArray_Add(&Clay__openLayoutElementStack, Clay__openLayoutElement);
|
|
Clay__AddHashMapItem(id, Clay__openLayoutElement);
|
|
return Clay__openLayoutElement;
|
|
}
|
|
|
|
Clay_LayoutElement *Clay__OpenElement(uint32_t id, Clay__LayoutElementType commandType, Clay_LayoutConfig *layoutConfig, Clay_ElementConfigUnion elementConfig) {
|
|
Clay__openLayoutElement->children.length++;
|
|
Clay_LayoutElement *element = Clay__OpenElementWithParent(id, commandType, layoutConfig, elementConfig);
|
|
Clay__LayoutElementPointerArray_Add(&Clay__layoutElementChildrenBuffer, element);
|
|
return element;
|
|
}
|
|
|
|
void Clay__OpenContainerElement(int id, Clay_LayoutConfig *layoutConfig) {
|
|
Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_CONTAINER, layoutConfig, (Clay_ElementConfigUnion){ CLAY__NULL });
|
|
}
|
|
|
|
void Clay__OpenRectangleElement(int id, Clay_LayoutConfig *layoutConfig, Clay_RectangleElementConfig *rectangleConfig) {
|
|
Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_RECTANGLE, layoutConfig, (Clay_ElementConfigUnion) { .rectangleElementConfig = rectangleConfig });
|
|
}
|
|
|
|
void Clay__OpenImageContainerElement(int id, Clay_LayoutConfig *layoutConfig, Clay_ImageElementConfig *imageConfig) {
|
|
Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_IMAGE, layoutConfig, (Clay_ElementConfigUnion) { .imageElementConfig = imageConfig });
|
|
Clay__LayoutElementPointerArray_Add(&Clay__imageElementPointers, Clay__openLayoutElement);
|
|
}
|
|
|
|
void Clay__OpenBorderContainerElement(int id, Clay_LayoutConfig *layoutConfig, Clay_BorderContainerElementConfig *borderConfig) {
|
|
Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_BORDER_CONTAINER, layoutConfig, (Clay_ElementConfigUnion){ .borderElementConfig = borderConfig });
|
|
}
|
|
|
|
void Clay__OpenCustomElement(uint32_t id, Clay_LayoutConfig *layoutConfig, Clay_CustomElementConfig *customElementConfig) {
|
|
Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_CUSTOM, layoutConfig, (Clay_ElementConfigUnion) { .customElementConfig = customElementConfig });
|
|
}
|
|
|
|
Clay_LayoutElement *Clay__OpenScrollElement(uint32_t id, Clay_LayoutConfig *layoutConfig, Clay_ScrollContainerElementConfig *scrollConfig) {
|
|
Clay_LayoutElement *scrollElement = Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER, layoutConfig, (Clay_ElementConfigUnion){ .scrollElementConfig = scrollConfig });
|
|
Clay__int32_tArray_Add(&Clay__openClipElementStack, (int)scrollElement->id);
|
|
Clay__ScrollContainerData *scrollOffset = CLAY__NULL;
|
|
for (int i = 0; i < Clay__scrollContainerOffsets.length; i++) {
|
|
Clay__ScrollContainerData *mapping = Clay__ScrollContainerDataArray_Get(&Clay__scrollContainerOffsets, i);
|
|
if (id == mapping->elementId) {
|
|
scrollOffset = mapping;
|
|
scrollOffset->layoutElement = scrollElement;
|
|
scrollOffset->openThisFrame = true;
|
|
}
|
|
}
|
|
if (!scrollOffset) {
|
|
Clay__ScrollContainerDataArray_Add(&Clay__scrollContainerOffsets, (Clay__ScrollContainerData){.elementId = id, .layoutElement = scrollElement, .scrollOrigin = {-1,-1}, .openThisFrame = true});
|
|
}
|
|
return scrollElement;
|
|
}
|
|
|
|
Clay_LayoutElement *Clay__OpenFloatingContainerElement(uint32_t id, Clay_LayoutConfig *layoutConfig, Clay_FloatingElementConfig *floatingElementConfig) {
|
|
Clay_LayoutElement *parent = Clay__openLayoutElement;
|
|
if (floatingElementConfig->parentId > 0) {
|
|
Clay_LayoutElementHashMapItem *parentItem = Clay__GetHashMapItem(floatingElementConfig->parentId);
|
|
if (!parentItem) {
|
|
Clay_StringArray_Add(&Clay_warnings, CLAY_STRING("Clay Warning: Couldn't find parent container to attach floating container to."));
|
|
} else {
|
|
parent = parentItem->layoutElement;
|
|
}
|
|
}
|
|
Clay__OpenElementWithParent(id, CLAY__LAYOUT_ELEMENT_TYPE_FLOATING_CONTAINER, layoutConfig, (Clay_ElementConfigUnion) { .floatingElementConfig = floatingElementConfig });
|
|
Clay__LayoutElementTreeRootArray_Add(&Clay__layoutElementTreeRoots, (Clay__LayoutElementTreeRoot) {
|
|
.layoutElement = Clay__openLayoutElement,
|
|
.parentId = parent->id,
|
|
.zIndex = floatingElementConfig->zIndex,
|
|
.clipElementId = Clay__openClipElementStack.length > 0 ? (uint32_t)*Clay__int32_tArray_Get(&Clay__openClipElementStack, (int)Clay__openClipElementStack.length - 1) : 0,
|
|
});
|
|
return Clay__openLayoutElement;
|
|
}
|
|
|
|
void Clay__AttachContainerChildren() {
|
|
Clay_LayoutConfig *layoutConfig = Clay__openLayoutElement->layoutConfig;
|
|
Clay__openLayoutElement->children.elements = &Clay__layoutElementChildren.internalArray[Clay__layoutElementChildren.length];
|
|
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
for (int i = 0; i < Clay__openLayoutElement->children.length; i++) {
|
|
Clay_LayoutElement *child = *Clay__LayoutElementPointerArray_Get(&Clay__layoutElementChildrenBuffer, (int)Clay__layoutElementChildrenBuffer.length - Clay__openLayoutElement->children.length + i);
|
|
Clay__openLayoutElement->dimensions.width += child->dimensions.width;
|
|
Clay__openLayoutElement->dimensions.height = CLAY__MAX(Clay__openLayoutElement->dimensions.height, child->dimensions.height + layoutConfig->padding.y * 2);
|
|
// Minimum size of child elements doesn't matter to scroll containers as they can shrink and hide their contents
|
|
if (Clay__openLayoutElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER || !Clay__openLayoutElement->elementConfig.scrollElementConfig->horizontal) {
|
|
Clay__openLayoutElement->minDimensions.width += child->minDimensions.width;
|
|
}
|
|
if (Clay__openLayoutElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER || !Clay__openLayoutElement->elementConfig.scrollElementConfig->vertical) {
|
|
Clay__openLayoutElement->minDimensions.height = CLAY__MAX(Clay__openLayoutElement->minDimensions.height, child->minDimensions.height + layoutConfig->padding.y * 2);
|
|
}
|
|
Clay__LayoutElementPointerArray_Add(&Clay__layoutElementChildren, child);
|
|
}
|
|
float childGap = (float)(CLAY__MAX(Clay__openLayoutElement->children.length - 1, 0) * layoutConfig->childGap);
|
|
Clay__openLayoutElement->dimensions.width += childGap;
|
|
Clay__openLayoutElement->minDimensions.width += childGap;
|
|
}
|
|
else if (layoutConfig->layoutDirection == CLAY_TOP_TO_BOTTOM) {
|
|
for (int i = 0; i < Clay__openLayoutElement->children.length; i++) {
|
|
Clay_LayoutElement *child = *Clay__LayoutElementPointerArray_Get(&Clay__layoutElementChildrenBuffer, (int)Clay__layoutElementChildrenBuffer.length - Clay__openLayoutElement->children.length + i);
|
|
Clay__openLayoutElement->dimensions.height += child->dimensions.height;
|
|
Clay__openLayoutElement->dimensions.width = CLAY__MAX(Clay__openLayoutElement->dimensions.width, child->dimensions.width + layoutConfig->padding.x * 2);
|
|
// Minimum size of child elements doesn't matter to scroll containers as they can shrink and hide their contents
|
|
if (Clay__openLayoutElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER || !Clay__openLayoutElement->elementConfig.scrollElementConfig->vertical) {
|
|
Clay__openLayoutElement->minDimensions.height += child->minDimensions.height;
|
|
}
|
|
if (Clay__openLayoutElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER || !Clay__openLayoutElement->elementConfig.scrollElementConfig->horizontal) {
|
|
Clay__openLayoutElement->minDimensions.width = CLAY__MAX(Clay__openLayoutElement->minDimensions.width, child->minDimensions.width + layoutConfig->padding.x * 2);
|
|
}
|
|
Clay__LayoutElementPointerArray_Add(&Clay__layoutElementChildren, child);
|
|
}
|
|
float childGap = (float)(CLAY__MAX(Clay__openLayoutElement->children.length - 1, 0) * layoutConfig->childGap);
|
|
Clay__openLayoutElement->dimensions.height += childGap;
|
|
Clay__openLayoutElement->minDimensions.height += childGap;
|
|
}
|
|
|
|
Clay__layoutElementChildrenBuffer.length -= Clay__openLayoutElement->children.length;
|
|
}
|
|
|
|
void Clay__CloseElement() {
|
|
Clay_LayoutConfig *layoutConfig = Clay__openLayoutElement->layoutConfig;
|
|
|
|
if (layoutConfig->sizing.width.type != CLAY__SIZING_TYPE_PERCENT) {
|
|
// TODO I think minsize has already been applied by this point so no need to do it again
|
|
Clay__openLayoutElement->dimensions.width = CLAY__MIN(CLAY__MAX(Clay__openLayoutElement->dimensions.width, layoutConfig->sizing.width.sizeMinMax.min), layoutConfig->sizing.width.sizeMinMax.max);
|
|
} else {
|
|
Clay__openLayoutElement->dimensions.width = 0;
|
|
}
|
|
if (layoutConfig->sizing.height.type != CLAY__SIZING_TYPE_PERCENT) {
|
|
Clay__openLayoutElement->dimensions.height = CLAY__MIN(CLAY__MAX(Clay__openLayoutElement->dimensions.height, layoutConfig->sizing.height.sizeMinMax.min), layoutConfig->sizing.height.sizeMinMax.max);
|
|
} else {
|
|
Clay__openLayoutElement->dimensions.height = 0;
|
|
}
|
|
|
|
Clay__LayoutElementPointerArray_RemoveSwapback(&Clay__openLayoutElementStack, (int)Clay__openLayoutElementStack.length - 1);
|
|
Clay__openLayoutElement = *Clay__LayoutElementPointerArray_Get(&Clay__openLayoutElementStack, (int)Clay__openLayoutElementStack.length - 1);
|
|
}
|
|
|
|
void Clay__OpenTextElement(int id, Clay_String text, Clay_TextElementConfig *textConfig) {
|
|
Clay_LayoutElement *internalElement = Clay__OpenElement(id, CLAY__LAYOUT_ELEMENT_TYPE_TEXT, &CLAY_LAYOUT_DEFAULT, (Clay_ElementConfigUnion) { .textElementConfig = textConfig });
|
|
Clay_Dimensions textMeasured = Clay__MeasureTextCached(&text, textConfig);
|
|
internalElement->dimensions.width = textMeasured.width;
|
|
internalElement->dimensions.height = textMeasured.height;
|
|
internalElement->text = text;
|
|
internalElement->minDimensions = (Clay_Dimensions) { .width = textMeasured.height, .height = textMeasured.height }; // TODO not sure this is the best way to decide min width for text
|
|
Clay__LayoutElementPointerArray_Add(&Clay__textElementPointers, internalElement);
|
|
Clay__CloseElement();
|
|
}
|
|
|
|
void Clay__CloseContainerElement() {
|
|
Clay__AttachContainerChildren();
|
|
Clay__CloseElement();
|
|
}
|
|
|
|
void Clay__CloseScrollContainerElement() {
|
|
Clay__openClipElementStack.length--;
|
|
Clay__CloseContainerElement();
|
|
}
|
|
|
|
void Clay__CloseFloatingContainer() {
|
|
Clay__AttachContainerChildren();
|
|
Clay__CloseElement();
|
|
}
|
|
|
|
void Clay__InitializeEphemeralMemory(Clay_Arena *arena) {
|
|
// Ephemeral Memory - reset every frame
|
|
Clay__internalArena.nextAllocation = Clay__arenaResetOffset;
|
|
|
|
Clay__layoutElementChildrenBuffer = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__layoutElements = Clay_LayoutElementArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay_warnings = Clay_StringArray_Allocate_Arena(100, arena);
|
|
|
|
Clay__layoutConfigs = Clay_LayoutConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__rectangleElementConfigs = Clay_RectangleElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__textElementConfigs = Clay_TextElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__imageElementConfigs = Clay_ImageElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__floatingElementConfigs = Clay_FloatingElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__scrollElementConfigs = Clay_ScrollContainerElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__customElementConfigs = Clay_CustomElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__borderElementConfigs = Clay_BorderContainerElementConfigArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
|
|
Clay__layoutElementTreeNodeArray1 = Clay__LayoutElementTreeNodeArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__layoutElementTreeRoots = Clay__LayoutElementTreeRootArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__layoutElementChildren = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__openLayoutElementStack = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__textElementPointers = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__imageElementPointers = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__layoutElementReusableBuffer = Clay__LayoutElementPointerArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__renderCommands = Clay_RenderCommandArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__treeNodeVisited = Clay__BoolArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__treeNodeVisited.length = Clay__treeNodeVisited.capacity; // This array is accessed directly rather than behaving as a list
|
|
Clay__openClipElementStack = Clay__int32_tArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
}
|
|
|
|
void Clay__InitializePersistentMemory(Clay_Arena *arena) {
|
|
Clay__scrollContainerOffsets = Clay__ScrollContainerDataArray_Allocate_Arena(10, arena);
|
|
Clay__layoutElementsHashMapInternal = Clay__LayoutElementHashMapItemArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__layoutElementsHashMap = Clay__int32_tArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__measureTextHashMapInternal = Clay__MeasureTextCacheItemArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__measureTextHashMap = Clay__int32_tArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__pointerOverIds = Clay__int32_tArray_Allocate_Arena(CLAY_MAX_ELEMENT_COUNT, arena);
|
|
Clay__arenaResetOffset = arena->nextAllocation;
|
|
}
|
|
|
|
|
|
typedef enum
|
|
{
|
|
CLAY__SIZE_DISTRIBUTION_TYPE_SCROLL_CONTAINER,
|
|
CLAY__SIZE_DISTRIBUTION_TYPE_RESIZEABLE_CONTAINER,
|
|
CLAY__SIZE_DISTRIBUTION_TYPE_GROW_CONTAINER,
|
|
} Clay__SizeDistributionType;
|
|
|
|
// Because of the max and min sizing properties, we can't predict ahead of time how (or if) all the excess width
|
|
// will actually be distributed. So we keep looping until either all the excess width is distributed or
|
|
// we have exhausted all our containers that can change size along this axis
|
|
float Clay__DistributeSizeAmongChildren(bool xAxis, float sizeToDistribute, Clay__LayoutElementPointerArray resizableContainerBuffer, Clay__SizeDistributionType distributionType) {
|
|
Clay__LayoutElementPointerArray backBuffer = Clay__layoutElementReusableBuffer;
|
|
backBuffer.length = 0;
|
|
|
|
Clay__LayoutElementPointerArray remainingElements = resizableContainerBuffer;
|
|
float totalDistributedSize;
|
|
while (sizeToDistribute != 0 && remainingElements.length > 0) {
|
|
totalDistributedSize = 0;
|
|
for (int childOffset = 0; childOffset < remainingElements.length; childOffset++) {
|
|
Clay_LayoutElement *childElement = *Clay__LayoutElementPointerArray_Get(&remainingElements, childOffset);
|
|
Clay_SizingAxis childSizing = xAxis ? childElement->layoutConfig->sizing.width : childElement->layoutConfig->sizing.height;
|
|
float *childSize = xAxis ? &childElement->dimensions.width : &childElement->dimensions.height;
|
|
float childMinSize = xAxis ? childElement->minDimensions.width : childElement->minDimensions.height;
|
|
|
|
if ((sizeToDistribute < 0 && *childSize == childSizing.sizeMinMax.min) || (sizeToDistribute > 0 && *childSize == childSizing.sizeMinMax.max)) {
|
|
continue;
|
|
}
|
|
|
|
if (!xAxis && childElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_IMAGE) {
|
|
continue; // Currently, we don't support squishing aspect ratio images on their Y axis as it would break ratio
|
|
}
|
|
|
|
switch (distributionType) {
|
|
case CLAY__SIZE_DISTRIBUTION_TYPE_RESIZEABLE_CONTAINER: break;
|
|
case CLAY__SIZE_DISTRIBUTION_TYPE_GROW_CONTAINER: if (childSizing.type != CLAY__SIZING_TYPE_GROW) { continue; } break;
|
|
case CLAY__SIZE_DISTRIBUTION_TYPE_SCROLL_CONTAINER: if ((childElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER || (xAxis && !childElement->elementConfig.scrollElementConfig->horizontal) || (!xAxis && !childElement->elementConfig.scrollElementConfig->vertical))) { continue; } break;
|
|
}
|
|
|
|
float dividedSize = sizeToDistribute / (float)(remainingElements.length - childOffset);
|
|
float oldChildSize = *childSize;
|
|
*childSize = CLAY__MAX(CLAY__MAX(CLAY__MIN(childSizing.sizeMinMax.max, *childSize + dividedSize), childSizing.sizeMinMax.min), childMinSize);
|
|
float diff = *childSize - oldChildSize;
|
|
if (diff != 0) {
|
|
Clay__LayoutElementPointerArray_Add(&backBuffer, childElement);
|
|
}
|
|
sizeToDistribute -= diff;
|
|
totalDistributedSize += diff;
|
|
}
|
|
if (totalDistributedSize == 0) {
|
|
break;
|
|
}
|
|
// Flip the buffers
|
|
Clay__LayoutElementPointerArray temp = remainingElements;
|
|
remainingElements = backBuffer;
|
|
backBuffer = temp;
|
|
}
|
|
return sizeToDistribute;
|
|
}
|
|
|
|
void Clay__SizeContainersAlongAxis(bool xAxis) {
|
|
Clay__LayoutElementPointerArray bfsBuffer = Clay__layoutElementChildrenBuffer;
|
|
Clay__LayoutElementPointerArray resizableContainerBuffer = Clay__openLayoutElementStack;
|
|
for (int rootIndex = 0; rootIndex < Clay__layoutElementTreeRoots.length; ++rootIndex) {
|
|
bfsBuffer.length = 0;
|
|
Clay__LayoutElementTreeRoot *root = Clay__LayoutElementTreeRootArray_Get(&Clay__layoutElementTreeRoots, rootIndex);
|
|
Clay_LayoutElement *rootElement = root->layoutElement;
|
|
Clay__LayoutElementPointerArray_Add(&bfsBuffer, root->layoutElement);
|
|
rootElement->dimensions.width = CLAY__MIN(CLAY__MAX(rootElement->dimensions.width, rootElement->layoutConfig->sizing.width.sizeMinMax.min), rootElement->layoutConfig->sizing.width.sizeMinMax.max);
|
|
rootElement->dimensions.height = CLAY__MIN(CLAY__MAX(rootElement->dimensions.height, rootElement->layoutConfig->sizing.height.sizeMinMax.min), rootElement->layoutConfig->sizing.height.sizeMinMax.max);
|
|
|
|
for (int i = 0; i < bfsBuffer.length; ++i) {
|
|
Clay_LayoutElement *parent = *Clay__LayoutElementPointerArray_Get(&bfsBuffer, i);
|
|
Clay_LayoutConfig *parentStyleConfig = parent->layoutConfig;
|
|
float parentSize = xAxis ? parent->dimensions.width : parent->dimensions.height;
|
|
float parentPadding = (float)(xAxis ? parent->layoutConfig->padding.x : parent->layoutConfig->padding.y);
|
|
float innerContentSize = 0, totalPaddingAndChildGaps = parentPadding * 2;
|
|
bool sizingAlongAxis = (xAxis && parentStyleConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) || (!xAxis && parentStyleConfig->layoutDirection == CLAY_TOP_TO_BOTTOM);
|
|
resizableContainerBuffer.length = 0;
|
|
float parentChildGap = parentStyleConfig->childGap;
|
|
|
|
for (int childOffset = 0; childOffset < parent->children.length; childOffset++) {
|
|
Clay_LayoutElement *childElement = parent->children.elements[childOffset];
|
|
Clay_SizingAxis childSizing = xAxis ? childElement->layoutConfig->sizing.width : childElement->layoutConfig->sizing.height;
|
|
float childSize = xAxis ? childElement->dimensions.width : childElement->dimensions.height;
|
|
|
|
if (childElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_TEXT && childElement->children.length > 0) {
|
|
Clay__LayoutElementPointerArray_Add(&bfsBuffer, childElement);
|
|
}
|
|
|
|
if (childSizing.type != CLAY__SIZING_TYPE_PERCENT) {
|
|
Clay__LayoutElementPointerArray_Add(&resizableContainerBuffer, childElement);
|
|
}
|
|
|
|
if (sizingAlongAxis) {
|
|
innerContentSize += (childSizing.type == CLAY__SIZING_TYPE_PERCENT ? 0 : childSize);
|
|
if (childOffset > 0) {
|
|
innerContentSize += parentChildGap; // For children after index 0, the childAxisOffset is the gap from the previous child
|
|
totalPaddingAndChildGaps += parentChildGap;
|
|
}
|
|
} else {
|
|
innerContentSize = CLAY__MAX(childSize, innerContentSize);
|
|
}
|
|
}
|
|
|
|
// Expand percentage containers to size
|
|
for (int childOffset = 0; childOffset < parent->children.length; childOffset++) {
|
|
Clay_LayoutElement *childElement = parent->children.elements[childOffset];
|
|
Clay_SizingAxis childSizing = xAxis ? childElement->layoutConfig->sizing.width : childElement->layoutConfig->sizing.height;
|
|
float *childSize = xAxis ? &childElement->dimensions.width : &childElement->dimensions.height;
|
|
if (childSizing.type == CLAY__SIZING_TYPE_PERCENT) {
|
|
*childSize = (parentSize - totalPaddingAndChildGaps) * childSizing.sizePercent;
|
|
if (sizingAlongAxis) {
|
|
innerContentSize += *childSize;
|
|
if (childOffset > 0) {
|
|
innerContentSize += parentChildGap; // For children after index 0, the childAxisOffset is the gap from the previous child
|
|
totalPaddingAndChildGaps += parentChildGap;
|
|
}
|
|
} else {
|
|
innerContentSize = CLAY__MAX(*childSize, innerContentSize);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (sizingAlongAxis) {
|
|
float sizeToDistribute = parentSize - parentPadding * 2 - innerContentSize;
|
|
// If the content is too large, compress the children as much as possible
|
|
if (sizeToDistribute < 0) {
|
|
// If the parent can scroll in the axis direction in this direction, just leave the children alone
|
|
if (parent->elementType == CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER) {
|
|
if (((xAxis && parent->elementConfig.scrollElementConfig->horizontal) || (!xAxis && parent->elementConfig.scrollElementConfig->vertical))) {
|
|
continue;
|
|
}
|
|
}
|
|
// Scrolling containers preferentially compress before others
|
|
sizeToDistribute = Clay__DistributeSizeAmongChildren(xAxis, sizeToDistribute, resizableContainerBuffer, CLAY__SIZE_DISTRIBUTION_TYPE_SCROLL_CONTAINER);
|
|
|
|
// If there is still height to make up, remove it from all containers that haven't hit their minimum size
|
|
if (sizeToDistribute < 0) {
|
|
Clay__DistributeSizeAmongChildren(xAxis, sizeToDistribute, resizableContainerBuffer, CLAY__SIZE_DISTRIBUTION_TYPE_RESIZEABLE_CONTAINER);
|
|
}
|
|
// The content is too small, allow SIZING_GROW containers to expand
|
|
} else {
|
|
Clay__DistributeSizeAmongChildren(xAxis, sizeToDistribute, resizableContainerBuffer, CLAY__SIZE_DISTRIBUTION_TYPE_GROW_CONTAINER);
|
|
}
|
|
// Sizing along the non layout axis ("off axis")
|
|
} else {
|
|
for (int childOffset = 0; childOffset < resizableContainerBuffer.length; childOffset++) {
|
|
Clay_LayoutElement *childElement = *Clay__LayoutElementPointerArray_Get(&resizableContainerBuffer, childOffset);
|
|
Clay_SizingAxis childSizing = xAxis ? childElement->layoutConfig->sizing.width : childElement->layoutConfig->sizing.height;
|
|
float *childSize = xAxis ? &childElement->dimensions.width : &childElement->dimensions.height;
|
|
|
|
if (!xAxis && childElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_IMAGE) {
|
|
continue; // Currently we don't support resizing aspect ratio images on the Y axis because it would break the ratio
|
|
}
|
|
|
|
// If we're laying out the children of a scroll panel, grow containers expand to the height of the inner content, not the outer container
|
|
float maxSize = parentSize - parentPadding * 2;
|
|
if (parent->elementType == CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER && ((xAxis && parent->elementConfig.scrollElementConfig->horizontal) || (!xAxis && parent->elementConfig.scrollElementConfig->vertical))) {
|
|
maxSize = CLAY__MAX(maxSize, innerContentSize);
|
|
}
|
|
if (childSizing.type == CLAY__SIZING_TYPE_FIT) {
|
|
*childSize = CLAY__MAX(childSizing.sizeMinMax.min, CLAY__MIN(*childSize, maxSize));
|
|
} else if (childSizing.type == CLAY__SIZING_TYPE_GROW) {
|
|
*childSize = CLAY__MIN(maxSize, childSizing.sizeMinMax.max);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void Clay__CalculateFinalLayout(int screenWidth, int screenHeight) {
|
|
// layoutElementsHashMap has non-linear access pattern so just resetting .length won't zero out the data.
|
|
// Need to zero it all out here
|
|
for (int i = 0; i < Clay__layoutElementsHashMap.capacity; ++i) {
|
|
Clay__layoutElementsHashMap.internalArray[i] = -1;
|
|
}
|
|
Clay__layoutElementsHashMapInternal.length = 0;
|
|
|
|
// Calculate sizing along the X axis
|
|
Clay__SizeContainersAlongAxis(true);
|
|
|
|
// Wrap text
|
|
uint32_t originalTextLayoutElementDataLength = Clay__textElementPointers.length;
|
|
for (int i = 0; i < originalTextLayoutElementDataLength; ++i) {
|
|
Clay_LayoutElement *containerElement = *Clay__LayoutElementPointerArray_Get(&Clay__textElementPointers, i);
|
|
Clay_String text = containerElement->text;
|
|
Clay_TextElementConfig *textConfig = containerElement->elementConfig.textElementConfig;
|
|
containerElement->elementType = CLAY__LAYOUT_ELEMENT_TYPE_CONTAINER;
|
|
// Clone the style config to prevent pollution of other elements that share this config
|
|
containerElement->layoutConfig = Clay_LayoutConfigArray_Add(&Clay__layoutConfigs, *containerElement->layoutConfig);
|
|
containerElement->layoutConfig->layoutDirection = CLAY_TOP_TO_BOTTOM;
|
|
containerElement->layoutConfig->childGap = textConfig->lineSpacing;
|
|
containerElement->dimensions.height = 0;
|
|
float fontSize = containerElement->elementConfig.textElementConfig->fontSize;
|
|
int lineStartIndex = 0;
|
|
int wordStartIndex = 0;
|
|
int wordEndIndex = 0;
|
|
containerElement->children = (Clay__LayoutElementChildren) { // Note: this overwrites the text property
|
|
.length = 0,
|
|
.elements = &Clay__layoutElementChildren.internalArray[Clay__layoutElementChildren.length]
|
|
};
|
|
Clay_Dimensions lineDimensions = (Clay_Dimensions){};
|
|
float spaceWidth = Clay__MeasureText(&CLAY__SPACECHAR, textConfig).width; // todo may as well cache it somewhere
|
|
while (wordStartIndex < text.length) {
|
|
if (text.chars[wordEndIndex] == ' ' || text.chars[wordEndIndex] == '\n' || wordEndIndex == text.length) {
|
|
Clay_String stringToRender = (Clay_String) { .length = wordEndIndex - lineStartIndex, .chars = text.chars + lineStartIndex };
|
|
Clay_String wordToMeasure = (Clay_String) { .length = wordEndIndex - wordStartIndex, .chars = text.chars + wordStartIndex };
|
|
// Clip off trailing spaces and newline characters
|
|
Clay_Dimensions wordDimensions = Clay__MeasureTextCached(&wordToMeasure, textConfig);
|
|
lineDimensions.width = lineDimensions.width + wordDimensions.width + spaceWidth;
|
|
lineDimensions.height = wordDimensions.height;
|
|
bool isOverlappingBoundaries = (lineDimensions.width - spaceWidth) > containerElement->dimensions.width + 0.01f; // Epsilon for floating point inaccuracy of adding components
|
|
// Need to wrap
|
|
if (isOverlappingBoundaries) {
|
|
lineDimensions.width -= spaceWidth;
|
|
// We can wrap at the most recent word start
|
|
if (wordStartIndex != lineStartIndex) {
|
|
stringToRender = (Clay_String) { .length = wordStartIndex - lineStartIndex - 1, .chars = text.chars + lineStartIndex };
|
|
lineDimensions.width -= (wordDimensions.width + spaceWidth);
|
|
lineStartIndex = wordStartIndex;
|
|
wordStartIndex = lineStartIndex;
|
|
wordEndIndex = lineStartIndex;
|
|
containerElement->dimensions.width = CLAY__MAX(containerElement->dimensions.width, lineDimensions.width);
|
|
// The single word is larger than the entire container - just render it in place
|
|
} else {
|
|
lineStartIndex = wordEndIndex + 1;
|
|
wordStartIndex = lineStartIndex;
|
|
wordEndIndex = lineStartIndex;
|
|
containerElement->dimensions.width = CLAY__MAX(containerElement->dimensions.width, lineDimensions.width);
|
|
}
|
|
// If we're at a space character and the current phrase fits, just keep going
|
|
} else if (text.chars[wordEndIndex] == ' ') {
|
|
wordStartIndex = wordEndIndex + 1;
|
|
wordEndIndex = wordStartIndex;
|
|
continue;
|
|
// Newline or end of string
|
|
} else {
|
|
lineStartIndex = wordEndIndex + 1;
|
|
wordStartIndex = lineStartIndex;
|
|
wordEndIndex = lineStartIndex;
|
|
}
|
|
Clay_LayoutElement *newTextLayoutElement = Clay_LayoutElementArray_Add(&Clay__layoutElements, (Clay_LayoutElement) {
|
|
.id = Clay__RehashWithNumber(containerElement->id, containerElement->children.length),
|
|
.elementType = CLAY__LAYOUT_ELEMENT_TYPE_TEXT,
|
|
.text = stringToRender,
|
|
.layoutConfig = &CLAY_LAYOUT_DEFAULT,
|
|
.elementConfig.textElementConfig = containerElement->elementConfig.textElementConfig,
|
|
.dimensions = { lineDimensions.width, lineDimensions.height },
|
|
});
|
|
containerElement->dimensions.height += lineDimensions.height + (float)(containerElement->children.length > 0 ? textConfig->lineSpacing : 0);
|
|
containerElement->children.length++;
|
|
lineDimensions = (Clay_Dimensions) {};
|
|
Clay__LayoutElementPointerArray_Add(&Clay__layoutElementChildren, newTextLayoutElement);
|
|
} else {
|
|
// In the middle of a word
|
|
wordEndIndex++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Scale vertical image heights according to aspect ratio
|
|
for (int i = 0; i < Clay__imageElementPointers.length; ++i) {
|
|
Clay_LayoutElement* imageElement = *Clay__LayoutElementPointerArray_Get(&Clay__imageElementPointers, i);
|
|
Clay_ImageElementConfig *config = imageElement->elementConfig.imageElementConfig;
|
|
imageElement->dimensions.height = (config->sourceDimensions.height / CLAY__MAX(config->sourceDimensions.width, 1)) * imageElement->dimensions.width;
|
|
}
|
|
|
|
// Propagate effect of text wrapping, image aspect scaling etc. on height of parents
|
|
Clay__LayoutElementTreeNodeArray dfsBuffer = Clay__layoutElementTreeNodeArray1;
|
|
dfsBuffer.length = 0;
|
|
for (int i = 0; i < Clay__layoutElementTreeRoots.length; ++i) {
|
|
Clay__LayoutElementTreeRoot *root = Clay__LayoutElementTreeRootArray_Get(&Clay__layoutElementTreeRoots, i);
|
|
Clay__LayoutElementTreeNodeArray_Add(&dfsBuffer, (Clay__LayoutElementTreeNode) { .layoutElement = root->layoutElement });
|
|
}
|
|
Clay__treeNodeVisited.internalArray[0] = false;
|
|
while (dfsBuffer.length > 0) {
|
|
Clay__LayoutElementTreeNode *currentElementTreeNode = Clay__LayoutElementTreeNodeArray_Get(&dfsBuffer, (int)dfsBuffer.length - 1);
|
|
Clay_LayoutElement *currentElement = currentElementTreeNode->layoutElement;
|
|
if (!Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1]) {
|
|
Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1] = true;
|
|
// If the element has no children or is the container for a text element, don't bother inspecting it
|
|
if (currentElement->children.length == 0 || (currentElement->children.length > 0 && currentElement->children.elements[0]->elementType == CLAY__LAYOUT_ELEMENT_TYPE_TEXT)) {
|
|
dfsBuffer.length--;
|
|
continue;
|
|
}
|
|
// Add the children to the DFS buffer (needs to be pushed in reverse so that stack traversal is in correct layout order)
|
|
for (int i = 0; i < currentElement->children.length; i++) {
|
|
Clay__treeNodeVisited.internalArray[dfsBuffer.length] = false;
|
|
Clay__LayoutElementTreeNodeArray_Add(&dfsBuffer, (Clay__LayoutElementTreeNode) { .layoutElement = currentElement->children.elements[i] });
|
|
}
|
|
continue;
|
|
}
|
|
dfsBuffer.length--;
|
|
|
|
// DFS node has been visited, this is on the way back up to the root
|
|
Clay_LayoutConfig *layoutConfig = currentElement->layoutConfig;
|
|
if (layoutConfig->sizing.height.type == CLAY__SIZING_TYPE_PERCENT) {
|
|
continue;
|
|
}
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
// Resize any parent containers that have grown in height along their non layout axis
|
|
for (int j = 0; j < currentElement->children.length; ++j) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[j];
|
|
float childHeightWithPadding = CLAY__MAX(childElement->dimensions.height + layoutConfig->padding.y * 2, currentElement->dimensions.height);
|
|
currentElement->dimensions.height = CLAY__MIN(CLAY__MAX(childHeightWithPadding, layoutConfig->sizing.height.sizeMinMax.min), layoutConfig->sizing.height.sizeMinMax.max);
|
|
}
|
|
} else if (layoutConfig->layoutDirection == CLAY_TOP_TO_BOTTOM) {
|
|
// Resizing along the layout axis
|
|
float contentHeight = (float)layoutConfig->padding.y * 2;
|
|
for (int j = 0; j < currentElement->children.length; ++j) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[j];
|
|
contentHeight += childElement->dimensions.height;
|
|
}
|
|
contentHeight += (float)(CLAY__MAX(currentElement->children.length - 1, 0) * layoutConfig->childGap);
|
|
currentElement->dimensions.height = CLAY__MIN(CLAY__MAX(contentHeight, layoutConfig->sizing.height.sizeMinMax.min), layoutConfig->sizing.height.sizeMinMax.max);
|
|
}
|
|
}
|
|
|
|
// Calculate sizing along the Y axis
|
|
Clay__SizeContainersAlongAxis(false);
|
|
|
|
// Calculate final positions and generate render commands
|
|
Clay__renderCommands.length = 0;
|
|
dfsBuffer.length = 0;
|
|
for (int rootIndex = 0; rootIndex < Clay__layoutElementTreeRoots.length; ++rootIndex) {
|
|
dfsBuffer.length = 0;
|
|
Clay__LayoutElementTreeRoot *root = Clay__LayoutElementTreeRootArray_Get(&Clay__layoutElementTreeRoots, rootIndex);
|
|
Clay_Vector2 rootPosition = (Clay_Vector2) {};
|
|
Clay_LayoutElementHashMapItem *parentHashMapItem = Clay__GetHashMapItem(root->parentId);
|
|
// Position root floating containers
|
|
if (parentHashMapItem) {
|
|
Clay_FloatingElementConfig *config = root->layoutElement->elementConfig.floatingElementConfig;
|
|
Clay_Dimensions rootDimensions = root->layoutElement->dimensions;
|
|
Clay_Rectangle parentBoundingBox = parentHashMapItem->boundingBox;
|
|
// Set X position
|
|
Clay_Vector2 targetAttachPosition = (Clay_Vector2){};
|
|
switch (config->attachment.parent) {
|
|
case CLAY_ATTACH_POINT_LEFT_TOP:
|
|
case CLAY_ATTACH_POINT_LEFT_CENTER:
|
|
case CLAY_ATTACH_POINT_LEFT_BOTTOM: targetAttachPosition.x = parentBoundingBox.x; break;
|
|
case CLAY_ATTACH_POINT_CENTER_TOP:
|
|
case CLAY_ATTACH_POINT_CENTER_CENTER:
|
|
case CLAY_ATTACH_POINT_CENTER_BOTTOM: targetAttachPosition.x = parentBoundingBox.x + (parentBoundingBox.width / 2); break;
|
|
case CLAY_ATTACH_POINT_RIGHT_TOP:
|
|
case CLAY_ATTACH_POINT_RIGHT_CENTER:
|
|
case CLAY_ATTACH_POINT_RIGHT_BOTTOM: targetAttachPosition.x = parentBoundingBox.x + parentBoundingBox.width; break;
|
|
}
|
|
switch (config->attachment.element) {
|
|
case CLAY_ATTACH_POINT_LEFT_TOP:
|
|
case CLAY_ATTACH_POINT_LEFT_CENTER:
|
|
case CLAY_ATTACH_POINT_LEFT_BOTTOM: break;
|
|
case CLAY_ATTACH_POINT_CENTER_TOP:
|
|
case CLAY_ATTACH_POINT_CENTER_CENTER:
|
|
case CLAY_ATTACH_POINT_CENTER_BOTTOM: targetAttachPosition.x -= (rootDimensions.width / 2); break;
|
|
case CLAY_ATTACH_POINT_RIGHT_TOP:
|
|
case CLAY_ATTACH_POINT_RIGHT_CENTER:
|
|
case CLAY_ATTACH_POINT_RIGHT_BOTTOM: targetAttachPosition.x -= rootDimensions.width; break;
|
|
}
|
|
switch (config->attachment.parent) { // I know I could merge the x and y switch statements, but this is easier to read
|
|
case CLAY_ATTACH_POINT_LEFT_TOP:
|
|
case CLAY_ATTACH_POINT_RIGHT_TOP:
|
|
case CLAY_ATTACH_POINT_CENTER_TOP: targetAttachPosition.y = parentBoundingBox.y; break;
|
|
case CLAY_ATTACH_POINT_LEFT_CENTER:
|
|
case CLAY_ATTACH_POINT_CENTER_CENTER:
|
|
case CLAY_ATTACH_POINT_RIGHT_CENTER: targetAttachPosition.y = parentBoundingBox.y + (parentBoundingBox.height / 2); break;
|
|
case CLAY_ATTACH_POINT_LEFT_BOTTOM:
|
|
case CLAY_ATTACH_POINT_CENTER_BOTTOM:
|
|
case CLAY_ATTACH_POINT_RIGHT_BOTTOM: targetAttachPosition.y = parentBoundingBox.y + parentBoundingBox.height; break;
|
|
}
|
|
switch (config->attachment.element) {
|
|
case CLAY_ATTACH_POINT_LEFT_TOP:
|
|
case CLAY_ATTACH_POINT_RIGHT_TOP:
|
|
case CLAY_ATTACH_POINT_CENTER_TOP: break;
|
|
case CLAY_ATTACH_POINT_LEFT_CENTER:
|
|
case CLAY_ATTACH_POINT_CENTER_CENTER:
|
|
case CLAY_ATTACH_POINT_RIGHT_CENTER: targetAttachPosition.y -= (rootDimensions.height / 2); break;
|
|
case CLAY_ATTACH_POINT_LEFT_BOTTOM:
|
|
case CLAY_ATTACH_POINT_CENTER_BOTTOM:
|
|
case CLAY_ATTACH_POINT_RIGHT_BOTTOM: targetAttachPosition.y -= rootDimensions.height; break;
|
|
}
|
|
targetAttachPosition.x += config->offset.x;
|
|
targetAttachPosition.y += config->offset.y;
|
|
rootPosition = targetAttachPosition;
|
|
}
|
|
if (root->clipElementId) {
|
|
Clay_LayoutElementHashMapItem *clipHashMapItem = Clay__GetHashMapItem(root->clipElementId);
|
|
if (clipHashMapItem) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = Clay__RehashWithNumber(root->layoutElement->id, 10), // TODO need a better strategy for managing derived ids
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_SCISSOR_START,
|
|
.boundingBox = clipHashMapItem->boundingBox,
|
|
});
|
|
}
|
|
}
|
|
Clay__LayoutElementTreeNodeArray_Add(&dfsBuffer, (Clay__LayoutElementTreeNode) { .layoutElement = root->layoutElement, .position = rootPosition, .nextChildOffset = (Clay_Vector2) { .x = (float)root->layoutElement->layoutConfig->padding.x, .y = (float)root->layoutElement->layoutConfig->padding.y } });
|
|
|
|
Clay__treeNodeVisited.internalArray[0] = false;
|
|
while (dfsBuffer.length > 0) {
|
|
Clay__LayoutElementTreeNode *currentElementTreeNode = Clay__LayoutElementTreeNodeArray_Get(&dfsBuffer, (int)dfsBuffer.length - 1);
|
|
Clay_LayoutElement *currentElement = currentElementTreeNode->layoutElement;
|
|
Clay_LayoutConfig *layoutConfig = currentElement->layoutConfig;
|
|
Clay_Vector2 scrollOffset = {0};
|
|
|
|
// This will only be run a single time for each element in downwards DFS order
|
|
if (!Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1]) {
|
|
Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1] = true;
|
|
|
|
Clay_Rectangle currentElementBoundingBox = (Clay_Rectangle) { currentElementTreeNode->position.x, currentElementTreeNode->position.y, currentElement->dimensions.width, currentElement->dimensions.height };
|
|
if (currentElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_FLOATING_CONTAINER) {
|
|
Clay_FloatingElementConfig *floatingElementConfig = currentElement->elementConfig.floatingElementConfig;
|
|
Clay_Dimensions expand = floatingElementConfig->expand;
|
|
currentElementBoundingBox.x -= expand.width;
|
|
currentElementBoundingBox.width += expand.width * 2;
|
|
currentElementBoundingBox.y -= expand.height;
|
|
currentElementBoundingBox.height += expand.height * 2;
|
|
}
|
|
|
|
Clay__ScrollContainerData *scrollContainerData = CLAY__NULL;
|
|
// Apply scroll offsets to container
|
|
if (currentElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = Clay__RehashWithNumber(currentElement->id, 10),
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_SCISSOR_START,
|
|
.boundingBox = currentElementBoundingBox,
|
|
});
|
|
|
|
// This linear scan could theoretically be slow under very strange conditions, but I can't imagine a real UI with more than a few 10's of scroll containers
|
|
for (int i = 0; i < Clay__scrollContainerOffsets.length; i++) {
|
|
Clay__ScrollContainerData *mapping = Clay__ScrollContainerDataArray_Get(&Clay__scrollContainerOffsets, i);
|
|
if (mapping->layoutElement == currentElement) {
|
|
scrollContainerData = mapping;
|
|
mapping->boundingBox = currentElementBoundingBox;
|
|
Clay_ScrollContainerElementConfig *config = mapping->layoutElement->elementConfig.scrollElementConfig;
|
|
if (config->horizontal) {
|
|
scrollOffset.x = mapping->scrollPosition.x;
|
|
}
|
|
if (config->vertical) {
|
|
scrollOffset.y = mapping->scrollPosition.y;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create the render command for this element
|
|
Clay_RenderCommand renderCommand = (Clay_RenderCommand) {
|
|
.id = currentElement->id,
|
|
.commandType = Clay__LayoutElementTypeToRenderCommandType[currentElement->elementType],
|
|
.boundingBox = currentElementBoundingBox,
|
|
.config = currentElement->elementConfig
|
|
};
|
|
|
|
Clay_LayoutElementHashMapItem *hashMapItem = Clay__AddHashMapItem(currentElement->id, currentElement);
|
|
if (hashMapItem) {
|
|
hashMapItem->boundingBox = renderCommand.boundingBox;
|
|
}
|
|
|
|
// Don't bother to generate render commands for rectangles entirely outside the screen - this won't stop their children from being rendered if they overflow
|
|
bool offscreen = currentElementBoundingBox.x > (float)screenWidth || currentElementBoundingBox.y > (float)screenHeight || currentElementBoundingBox.x + currentElementBoundingBox.width < 0 || currentElementBoundingBox.y + currentElementBoundingBox.height < 0;
|
|
bool shouldRender = !offscreen;
|
|
switch (renderCommand.commandType) {
|
|
case CLAY_RENDER_COMMAND_TYPE_NONE: {
|
|
shouldRender = false;
|
|
break;
|
|
}
|
|
case CLAY_RENDER_COMMAND_TYPE_TEXT: {
|
|
renderCommand.text = currentElement->text;
|
|
break;
|
|
}
|
|
case CLAY_RENDER_COMMAND_TYPE_BORDER: { // We render borders on close because they need to render above children
|
|
shouldRender = false;
|
|
break;
|
|
}
|
|
default: break;
|
|
}
|
|
if (shouldRender) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, renderCommand);
|
|
}
|
|
if (offscreen) {
|
|
// NOTE: You may be tempted to try an early return / continue if an element is off screen. Why bother calculating layout for its children, right?
|
|
// Unfortunately, a FLOATING_CONTAINER may be defined that attaches to a child or grandchild of this element, which is large enough to still
|
|
// be on screen, even if this element isn't. That depends on this element and it's children being laid out correctly (even if they are entirely off screen)
|
|
}
|
|
|
|
// Handle child alignment along the layout axis
|
|
if (currentElementTreeNode->layoutElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_TEXT) {
|
|
dfsBuffer.length += currentElement->children.length;
|
|
|
|
Clay_Dimensions contentSize = (Clay_Dimensions) {0,0};
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
for (int i = 0; i < currentElement->children.length; ++i) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[i];
|
|
contentSize.width += childElement->dimensions.width;
|
|
contentSize.height = CLAY__MAX(contentSize.height, childElement->dimensions.height);
|
|
}
|
|
contentSize.width += (float)(CLAY__MAX(currentElement->children.length - 1, 0) * layoutConfig->childGap);
|
|
float extraSpace = currentElement->dimensions.width - (float)layoutConfig->padding.x * 2 - contentSize.width;
|
|
switch (layoutConfig->childAlignment.x) {
|
|
case CLAY_ALIGN_X_LEFT: extraSpace = 0; break;
|
|
case CLAY_ALIGN_X_CENTER: extraSpace /= 2; break;
|
|
default: break;
|
|
}
|
|
currentElementTreeNode->nextChildOffset.x += extraSpace;
|
|
} else {
|
|
for (int i = 0; i < currentElement->children.length; ++i) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[i];
|
|
contentSize.width = CLAY__MAX(contentSize.width, childElement->dimensions.width);
|
|
contentSize.height += childElement->dimensions.height;
|
|
}
|
|
contentSize.height += (float)(CLAY__MAX(currentElement->children.length - 1, 0) * layoutConfig->childGap);
|
|
float extraSpace = currentElement->dimensions.height - (float)layoutConfig->padding.y * 2 - contentSize.height;
|
|
switch (layoutConfig->childAlignment.y) {
|
|
case CLAY_ALIGN_Y_TOP: extraSpace = 0; break;
|
|
case CLAY_ALIGN_Y_CENTER: extraSpace /= 2; break;
|
|
default: break;
|
|
}
|
|
currentElementTreeNode->nextChildOffset.y += extraSpace;
|
|
}
|
|
|
|
if (scrollContainerData) {
|
|
scrollContainerData->contentSize = contentSize;
|
|
}
|
|
}
|
|
} else {
|
|
// DFS is returning upwards backwards
|
|
if (currentElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_SCROLL_CONTAINER) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = Clay__RehashWithNumber(currentElement->id, 11),
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_SCISSOR_END,
|
|
});
|
|
// Borders between elements are expressed as additional rectangle render commands
|
|
} else if (currentElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_BORDER_CONTAINER) {
|
|
Clay_Rectangle currentElementBoundingBox = (Clay_Rectangle) { currentElementTreeNode->position.x, currentElementTreeNode->position.y, currentElement->dimensions.width, currentElement->dimensions.height };
|
|
Clay_BorderContainerElementConfig *borderConfig = currentElement->elementConfig.borderElementConfig;
|
|
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = currentElement->id,
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_BORDER,
|
|
.boundingBox = currentElementBoundingBox,
|
|
.config = currentElement->elementConfig
|
|
});
|
|
|
|
// Render border elements between children
|
|
if (borderConfig->betweenChildren.width > 0 && borderConfig->betweenChildren.color.a > 0) {
|
|
Clay_Vector2 borderOffset = { (float)layoutConfig->padding.x, (float)layoutConfig->padding.y };
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
for (int i = 0; i < currentElement->children.length; ++i) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[i];
|
|
if (i > 0) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = Clay__RehashWithNumber(currentElement->id, 5 + i),
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_RECTANGLE,
|
|
.boundingBox = { currentElementBoundingBox.x + borderOffset.x, currentElementBoundingBox.y, (float)borderConfig->betweenChildren.width, currentElement->dimensions.height },
|
|
.config = CLAY_RECTANGLE_CONFIG(.color = borderConfig->betweenChildren.color)
|
|
});
|
|
}
|
|
borderOffset.x += (childElement->dimensions.width + (float)layoutConfig->childGap / 2);
|
|
}
|
|
} else {
|
|
for (int i = 0; i < currentElement->children.length; ++i) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[i];
|
|
if (i > 0) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) {
|
|
.id = Clay__RehashWithNumber(currentElement->id, 5 + i),
|
|
.commandType = CLAY_RENDER_COMMAND_TYPE_RECTANGLE,
|
|
.boundingBox = { currentElementBoundingBox.x, currentElementBoundingBox.y + borderOffset.y, currentElement->dimensions.width, (float)borderConfig->betweenChildren.width },
|
|
.config = CLAY_RECTANGLE_CONFIG(.color = borderConfig->betweenChildren.color)
|
|
});
|
|
}
|
|
borderOffset.y += (childElement->dimensions.height + (float)layoutConfig->childGap / 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
dfsBuffer.length--;
|
|
continue;
|
|
}
|
|
|
|
// Add children to the DFS buffer
|
|
if (currentElement->elementType != CLAY__LAYOUT_ELEMENT_TYPE_TEXT) {
|
|
for (int i = 0; i < currentElement->children.length; ++i) {
|
|
Clay_LayoutElement *childElement = currentElement->children.elements[i];
|
|
// Alignment along non layout axis
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
currentElementTreeNode->nextChildOffset.y = currentElement->layoutConfig->padding.y;
|
|
float whiteSpaceAroundChild = currentElement->dimensions.height - (float)currentElement->layoutConfig->padding.y * 2 - childElement->dimensions.height;
|
|
switch (layoutConfig->childAlignment.y) {
|
|
case CLAY_ALIGN_Y_TOP: break;
|
|
case CLAY_ALIGN_Y_CENTER: currentElementTreeNode->nextChildOffset.y += whiteSpaceAroundChild / 2; break;
|
|
case CLAY_ALIGN_Y_BOTTOM: currentElementTreeNode->nextChildOffset.y += whiteSpaceAroundChild; break;
|
|
}
|
|
} else {
|
|
currentElementTreeNode->nextChildOffset.x = currentElement->layoutConfig->padding.x;
|
|
float whiteSpaceAroundChild = currentElement->dimensions.width - (float)currentElement->layoutConfig->padding.x * 2 - childElement->dimensions.width;
|
|
switch (layoutConfig->childAlignment.x) {
|
|
case CLAY_ALIGN_X_LEFT: break;
|
|
case CLAY_ALIGN_X_CENTER: currentElementTreeNode->nextChildOffset.x += whiteSpaceAroundChild / 2; break;
|
|
case CLAY_ALIGN_X_RIGHT: currentElementTreeNode->nextChildOffset.x += whiteSpaceAroundChild; break;
|
|
}
|
|
}
|
|
|
|
Clay_Vector2 childPosition = (Clay_Vector2) {
|
|
currentElementTreeNode->position.x + currentElementTreeNode->nextChildOffset.x + scrollOffset.x,
|
|
currentElementTreeNode->position.y + currentElementTreeNode->nextChildOffset.y + scrollOffset.y,
|
|
};
|
|
|
|
// DFS buffer elements need to be added in reverse because stack traversal happens backwards
|
|
uint32_t newNodeIndex = dfsBuffer.length - 1 - i;
|
|
dfsBuffer.internalArray[newNodeIndex] = (Clay__LayoutElementTreeNode) {
|
|
.layoutElement = childElement,
|
|
.position = (Clay_Vector2) { childPosition.x, childPosition.y },
|
|
.nextChildOffset = (Clay_Vector2) { .x = (float)childElement->layoutConfig->padding.x, .y = (float)childElement->layoutConfig->padding.y },
|
|
};
|
|
Clay__treeNodeVisited.internalArray[newNodeIndex] = false;
|
|
|
|
// Update parent offsets
|
|
if (layoutConfig->layoutDirection == CLAY_LEFT_TO_RIGHT) {
|
|
currentElementTreeNode->nextChildOffset.x += childElement->dimensions.width + (float)layoutConfig->childGap;
|
|
} else {
|
|
currentElementTreeNode->nextChildOffset.y += childElement->dimensions.height + (float)layoutConfig->childGap;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (root->clipElementId) {
|
|
Clay_RenderCommandArray_Add(&Clay__renderCommands, (Clay_RenderCommand) { .id = Clay__RehashWithNumber(root->layoutElement->id, 11), .commandType = CLAY_RENDER_COMMAND_TYPE_SCISSOR_END });
|
|
}
|
|
}
|
|
}
|
|
|
|
// PUBLIC API FROM HERE ---------------------------------------
|
|
|
|
CLAY_WASM_EXPORT("Clay_MinMemorySize")
|
|
uint32_t Clay_MinMemorySize() {
|
|
Clay_Arena fakeArena = (Clay_Arena) { .capacity = INT64_MAX };
|
|
Clay__InitializePersistentMemory(&fakeArena);
|
|
Clay__InitializeEphemeralMemory(&fakeArena);
|
|
return fakeArena.nextAllocation;
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_CreateArenaWithCapacityAndMemory")
|
|
Clay_Arena Clay_CreateArenaWithCapacityAndMemory(uint32_t capacity, void *offset) {
|
|
Clay_Arena arena = (Clay_Arena) {
|
|
.capacity = capacity,
|
|
.memory = (char *)offset
|
|
};
|
|
return arena;
|
|
}
|
|
|
|
#ifndef CLAY_WASM
|
|
void Clay_SetMeasureTextFunction(Clay_Dimensions (*measureTextFunction)(Clay_String *text, Clay_TextElementConfig *config)) {
|
|
Clay__MeasureText = measureTextFunction;
|
|
}
|
|
#endif
|
|
|
|
CLAY_WASM_EXPORT("Clay_SetPointerPosition")
|
|
void Clay_SetPointerPosition(Clay_Vector2 position) {
|
|
Clay__pointerPosition = position;
|
|
Clay__pointerOverIds.length = 0;
|
|
Clay__LayoutElementPointerArray dfsBuffer = Clay__layoutElementChildrenBuffer;
|
|
for (int rootIndex = 0; rootIndex < Clay__layoutElementTreeRoots.length; ++rootIndex) {
|
|
dfsBuffer.length = 0;
|
|
Clay__LayoutElementTreeRoot *root = Clay__LayoutElementTreeRootArray_Get(&Clay__layoutElementTreeRoots, rootIndex);
|
|
Clay__LayoutElementPointerArray_Add(&dfsBuffer, root->layoutElement);
|
|
Clay__treeNodeVisited.internalArray[0] = false;
|
|
while (dfsBuffer.length > 0) {
|
|
if (Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1]) {
|
|
dfsBuffer.length--;
|
|
continue;
|
|
}
|
|
Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1] = true;
|
|
Clay_LayoutElement *currentElement = *Clay__LayoutElementPointerArray_Get(&dfsBuffer, (int)dfsBuffer.length - 1);
|
|
Clay_LayoutElementHashMapItem *mapItem = Clay__GetHashMapItem(currentElement->id); // TODO I wish there was a way around this, maybe the fact that it's essentially a binary tree limits the cost, have to measure
|
|
if ((mapItem && Clay__PointIsInsideRect(position, mapItem->boundingBox)) || (!mapItem && Clay__PointIsInsideRect(position, (Clay_Rectangle) {0,0, currentElement->dimensions.width, currentElement->dimensions.height}))) {
|
|
Clay__int32_tArray_Add(&Clay__pointerOverIds, (int)currentElement->id);
|
|
if (currentElement->elementType == CLAY__LAYOUT_ELEMENT_TYPE_TEXT) {
|
|
dfsBuffer.length--;
|
|
continue;
|
|
}
|
|
for (int i = currentElement->children.length - 1; i >= 0; --i) {
|
|
Clay__LayoutElementPointerArray_Add(&dfsBuffer, currentElement->children.elements[i]);
|
|
Clay__treeNodeVisited.internalArray[dfsBuffer.length - 1] = false; // TODO needs to be ranged checked
|
|
}
|
|
} else {
|
|
dfsBuffer.length--;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_Initialize")
|
|
void Clay_Initialize(Clay_Arena arena) {
|
|
Clay__internalArena = arena;
|
|
Clay__InitializePersistentMemory(&Clay__internalArena);
|
|
Clay__InitializeEphemeralMemory(&Clay__internalArena);
|
|
for (int i = 0; i < Clay__layoutElementsHashMap.capacity; ++i) {
|
|
Clay__layoutElementsHashMap.internalArray[i] = -1;
|
|
}
|
|
Clay__measureTextHashMapInternal.length = 1; // Reserve the 0 value to mean "no next element"
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_UpdateScrollContainers")
|
|
void Clay_UpdateScrollContainers(bool isPointerActive, Clay_Vector2 scrollDelta, float deltaTime) {
|
|
// Don't apply scroll events to ancestors of the inner element
|
|
int32_t highestPriorityElementIndex = -1;
|
|
Clay__ScrollContainerData *highestPriorityScrollData = CLAY__NULL;
|
|
for (int i = 0; i < Clay__scrollContainerOffsets.length; i++) {
|
|
Clay__ScrollContainerData *scrollData = Clay__ScrollContainerDataArray_Get(&Clay__scrollContainerOffsets, i);
|
|
if (!scrollData->openThisFrame) {
|
|
Clay__ScrollContainerDataArray_RemoveSwapback(&Clay__scrollContainerOffsets, i);
|
|
continue;
|
|
}
|
|
scrollData->openThisFrame = false;
|
|
Clay_LayoutElementHashMapItem *hashMapItem = Clay__GetHashMapItem(scrollData->elementId);
|
|
// Element isn't rendered this frame but scroll offset has been retained
|
|
if (!hashMapItem) {
|
|
Clay__ScrollContainerDataArray_RemoveSwapback(&Clay__scrollContainerOffsets, i);
|
|
continue;
|
|
}
|
|
|
|
// Touch / click is released
|
|
if (!isPointerActive && scrollData->pointerScrollActive) {
|
|
float xDiff = scrollData->scrollPosition.x - scrollData->scrollOrigin.x;
|
|
if (xDiff < -10 || xDiff > 10) {
|
|
scrollData->scrollMomentum.x = (scrollData->scrollPosition.x - scrollData->scrollOrigin.x) / (scrollData->momentumTime * 25);
|
|
}
|
|
float yDiff = scrollData->scrollPosition.y - scrollData->scrollOrigin.y;
|
|
if (yDiff < -10 || yDiff > 10) {
|
|
scrollData->scrollMomentum.y = (scrollData->scrollPosition.y - scrollData->scrollOrigin.y) / (scrollData->momentumTime * 25);
|
|
}
|
|
scrollData->pointerScrollActive = false;
|
|
|
|
scrollData->pointerOrigin = (Clay_Vector2){0,0};
|
|
scrollData->scrollOrigin = (Clay_Vector2){0,0};
|
|
scrollData->momentumTime = 0;
|
|
}
|
|
|
|
// Apply existing momentum
|
|
scrollData->scrollPosition.x += scrollData->scrollMomentum.x;
|
|
scrollData->scrollMomentum.x *= 0.95f;
|
|
bool scrollOccurred = scrollDelta.x != 0 || scrollDelta.y != 0;
|
|
if ((scrollData->scrollMomentum.x > -0.1f && scrollData->scrollMomentum.x < 0.1f) || scrollOccurred) {
|
|
scrollData->scrollMomentum.x = 0;
|
|
}
|
|
scrollData->scrollPosition.x = CLAY__MAX(CLAY__MIN(scrollData->scrollPosition.x, 0), -(scrollData->contentSize.width - scrollData->layoutElement->dimensions.width));
|
|
|
|
scrollData->scrollPosition.y += scrollData->scrollMomentum.y;
|
|
scrollData->scrollMomentum.y *= 0.95f;
|
|
if ((scrollData->scrollMomentum.y > -0.1f && scrollData->scrollMomentum.y < 0.1f) || scrollOccurred) {
|
|
scrollData->scrollMomentum.y = 0;
|
|
}
|
|
scrollData->scrollPosition.y = CLAY__MAX(CLAY__MIN(scrollData->scrollPosition.y, 0), -(scrollData->contentSize.height - scrollData->layoutElement->dimensions.height));
|
|
|
|
for (int j = 0; j < Clay__pointerOverIds.length; ++j) { // TODO n & m are small here but this being n*m gives me the creeps
|
|
if (scrollData->layoutElement->id == *Clay__int32_tArray_Get(&Clay__pointerOverIds, j)) {
|
|
highestPriorityElementIndex = j;
|
|
highestPriorityScrollData = scrollData;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (highestPriorityElementIndex > -1 && highestPriorityScrollData) {
|
|
Clay_LayoutElement *scrollElement = highestPriorityScrollData->layoutElement;
|
|
bool canScrollVertically = scrollElement->elementConfig.scrollElementConfig->vertical && highestPriorityScrollData->contentSize.height > scrollElement->dimensions.height;
|
|
bool canScrollHorizontally = scrollElement->elementConfig.scrollElementConfig->horizontal && highestPriorityScrollData->contentSize.width > scrollElement->dimensions.width;
|
|
// Handle wheel scroll
|
|
if (canScrollVertically) {
|
|
highestPriorityScrollData->scrollPosition.y = highestPriorityScrollData->scrollPosition.y + scrollDelta.y * 10;
|
|
}
|
|
if (canScrollHorizontally) {
|
|
highestPriorityScrollData->scrollPosition.x = highestPriorityScrollData->scrollPosition.x + scrollDelta.x * 10;
|
|
}
|
|
// Handle click / touch scroll
|
|
if (isPointerActive) {
|
|
highestPriorityScrollData->scrollMomentum = (Clay_Vector2){0};
|
|
if (!highestPriorityScrollData->pointerScrollActive) {
|
|
highestPriorityScrollData->pointerOrigin = Clay__pointerPosition;
|
|
highestPriorityScrollData->scrollOrigin = highestPriorityScrollData->scrollPosition;
|
|
highestPriorityScrollData->pointerScrollActive = true;
|
|
} else {
|
|
float scrollDeltaX = 0, scrollDeltaY = 0;
|
|
if (canScrollHorizontally) {
|
|
float oldXScrollPosition = highestPriorityScrollData->scrollPosition.x;
|
|
highestPriorityScrollData->scrollPosition.x = highestPriorityScrollData->scrollOrigin.x + (Clay__pointerPosition.x - highestPriorityScrollData->pointerOrigin.x);
|
|
highestPriorityScrollData->scrollPosition.x = CLAY__MAX(CLAY__MIN(highestPriorityScrollData->scrollPosition.x, 0), -(highestPriorityScrollData->contentSize.width - highestPriorityScrollData->boundingBox.width));
|
|
scrollDeltaX = highestPriorityScrollData->scrollPosition.x - oldXScrollPosition;
|
|
}
|
|
if (canScrollVertically) {
|
|
float oldYScrollPosition = highestPriorityScrollData->scrollPosition.y;
|
|
highestPriorityScrollData->scrollPosition.y = highestPriorityScrollData->scrollOrigin.y + (Clay__pointerPosition.y - highestPriorityScrollData->pointerOrigin.y);
|
|
highestPriorityScrollData->scrollPosition.y = CLAY__MAX(CLAY__MIN(highestPriorityScrollData->scrollPosition.y, 0), -(highestPriorityScrollData->contentSize.height - highestPriorityScrollData->boundingBox.height));
|
|
scrollDeltaX = highestPriorityScrollData->scrollPosition.x - oldYScrollPosition;
|
|
}
|
|
if (scrollDeltaX > -0.1f && scrollDeltaX < 0.1f && scrollDeltaY > -0.1f && scrollDeltaY < 0.1f && highestPriorityScrollData->momentumTime > 0.5f) {
|
|
highestPriorityScrollData->momentumTime = 0;
|
|
highestPriorityScrollData->pointerOrigin = Clay__pointerPosition;
|
|
highestPriorityScrollData->scrollOrigin = highestPriorityScrollData->scrollPosition;
|
|
} else {
|
|
highestPriorityScrollData->momentumTime += deltaTime;
|
|
}
|
|
}
|
|
}
|
|
// Clamp any changes to scroll position to the maximum size of the contents
|
|
if (canScrollVertically) {
|
|
highestPriorityScrollData->scrollPosition.y = CLAY__MAX(CLAY__MIN(highestPriorityScrollData->scrollPosition.y, 0), -(highestPriorityScrollData->contentSize.height - scrollElement->dimensions.height));
|
|
}
|
|
if (canScrollHorizontally) {
|
|
highestPriorityScrollData->scrollPosition.x = CLAY__MAX(CLAY__MIN(highestPriorityScrollData->scrollPosition.x, 0), -(highestPriorityScrollData->contentSize.width - scrollElement->dimensions.width));
|
|
}
|
|
}
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_BeginLayout")
|
|
void Clay_BeginLayout(int screenWidth, int screenHeight) {
|
|
Clay__InitializeEphemeralMemory(&Clay__internalArena);
|
|
// Set up the root container that covers the entire window
|
|
Clay_LayoutElement rootLayoutElement = (Clay_LayoutElement){.layoutConfig = CLAY_LAYOUT(.sizing = {CLAY_SIZING_FIXED((float)screenWidth), CLAY_SIZING_FIXED((float)screenHeight)})};
|
|
Clay__openLayoutElement = Clay_LayoutElementArray_Add(&Clay__layoutElements, rootLayoutElement);
|
|
Clay__LayoutElementPointerArray_Add(&Clay__openLayoutElementStack, Clay__openLayoutElement);
|
|
Clay__LayoutElementTreeRootArray_Add(&Clay__layoutElementTreeRoots, (Clay__LayoutElementTreeRoot) { .layoutElement = Clay__openLayoutElement });
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_EndLayout")
|
|
Clay_RenderCommandArray Clay_EndLayout(int screenWidth, int screenHeight)
|
|
{
|
|
Clay__AttachContainerChildren();
|
|
Clay__CalculateFinalLayout(screenWidth, screenHeight);
|
|
return Clay__renderCommands;
|
|
}
|
|
|
|
CLAY_WASM_EXPORT("Clay_PointerOver")
|
|
bool Clay_PointerOver(uint32_t id) { // TODO return priority for separating multiple results
|
|
for (int i = 0; i < Clay__pointerOverIds.length; ++i) {
|
|
if (*Clay__int32_tArray_Get(&Clay__pointerOverIds, i) == id) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#endif //CLAY_IMPLEMENTATION
|