SetMesureText and SetQueryScrollOffset takes userData (#212)

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Daniel Collin 2025-01-19 22:59:02 +01:00 committed by GitHub
parent 8e7e30dda6
commit e8025cc254
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12 changed files with 44 additions and 31 deletions

32
clay.h
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@ -1,4 +1,4 @@
// VERSION: 0.11
// VERSION: 0.12
/*
NOTE: In order to use this library you must define
@ -527,8 +527,8 @@ bool Clay_Hovered(void);
void Clay_OnHover(void (*onHoverFunction)(Clay_ElementId elementId, Clay_PointerData pointerData, intptr_t userData), intptr_t userData);
bool Clay_PointerOver(Clay_ElementId elementId);
Clay_ScrollContainerData Clay_GetScrollContainerData(Clay_ElementId id);
void Clay_SetMeasureTextFunction(Clay_Dimensions (*measureTextFunction)(Clay_String *text, Clay_TextElementConfig *config));
void Clay_SetQueryScrollOffsetFunction(Clay_Vector2 (*queryScrollOffsetFunction)(uint32_t elementId));
void Clay_SetMeasureTextFunction(Clay_Dimensions (*measureTextFunction)(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData), uintptr_t userData);
void Clay_SetQueryScrollOffsetFunction(Clay_Vector2 (*queryScrollOffsetFunction)(uint32_t elementId, uintptr_t userData), uintptr_t userData);
Clay_RenderCommand * Clay_RenderCommandArray_Get(Clay_RenderCommandArray* array, int32_t index);
void Clay_SetDebugModeEnabled(bool enabled);
bool Clay_IsDebugModeEnabled(void);
@ -1407,6 +1407,8 @@ struct Clay_Context {
uint32_t debugSelectedElementId;
uint32_t generation;
uintptr_t arenaResetOffset;
uintptr_t mesureTextUserData;
uintptr_t queryScrollOffsetUserData;
Clay_Arena internalArena;
// Layout Elements / Render Commands
Clay_LayoutElementArray layoutElements;
@ -1480,11 +1482,11 @@ Clay_String Clay__WriteStringToCharBuffer(Clay__CharArray *buffer, Clay_String s
}
#ifdef CLAY_WASM
__attribute__((import_module("clay"), import_name("measureTextFunction"))) Clay_Dimensions Clay__MeasureText(Clay_String *text, Clay_TextElementConfig *config);
__attribute__((import_module("clay"), import_name("queryScrollOffsetFunction"))) Clay_Vector2 Clay__QueryScrollOffset(uint32_t elementId);
__attribute__((import_module("clay"), import_name("measureTextFunction"))) Clay_Dimensions Clay__MeasureText(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData);
__attribute__((import_module("clay"), import_name("queryScrollOffsetFunction"))) Clay_Vector2 Clay__QueryScrollOffset(uint32_t elementId, uintptr_t userData);
#else
Clay_Dimensions (*Clay__MeasureText)(Clay_String *text, Clay_TextElementConfig *config);
Clay_Vector2 (*Clay__QueryScrollOffset)(uint32_t elementId);
Clay_Dimensions (*Clay__MeasureText)(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData);
Clay_Vector2 (*Clay__QueryScrollOffset)(uint32_t elementId, uintptr_t userData);
#endif
Clay_LayoutElement* Clay__GetOpenLayoutElement(void) {
@ -1699,7 +1701,7 @@ Clay__MeasureTextCacheItem *Clay__MeasureTextCached(Clay_String *text, Clay_Text
float lineWidth = 0;
float measuredWidth = 0;
float measuredHeight = 0;
float spaceWidth = Clay__MeasureText(&CLAY__SPACECHAR, config).width;
float spaceWidth = Clay__MeasureText(&CLAY__SPACECHAR, config, context->mesureTextUserData).width;
Clay__MeasuredWord tempWord = { .next = -1 };
Clay__MeasuredWord *previousWord = &tempWord;
while (end < text->length) {
@ -1717,7 +1719,7 @@ Clay__MeasureTextCacheItem *Clay__MeasureTextCached(Clay_String *text, Clay_Text
if (current == ' ' || current == '\n') {
int32_t length = end - start;
Clay_String word = { .length = length, .chars = &text->chars[start] };
Clay_Dimensions dimensions = Clay__MeasureText(&word, config);
Clay_Dimensions dimensions = Clay__MeasureText(&word, config, context->mesureTextUserData);
measuredHeight = CLAY__MAX(measuredHeight, dimensions.height);
if (current == ' ') {
dimensions.width += spaceWidth;
@ -1740,7 +1742,7 @@ Clay__MeasureTextCacheItem *Clay__MeasureTextCached(Clay_String *text, Clay_Text
}
if (end - start > 0) {
Clay_String lastWord = { .length = end - start, .chars = &text->chars[start] };
Clay_Dimensions dimensions = Clay__MeasureText(&lastWord, config);
Clay_Dimensions dimensions = Clay__MeasureText(&lastWord, config, context->mesureTextUserData);
Clay__AddMeasuredWord(CLAY__INIT(Clay__MeasuredWord) { .startOffset = start, .length = end - start, .width = dimensions.width, .next = -1 }, previousWord);
lineWidth += dimensions.width;
measuredHeight = CLAY__MAX(measuredHeight, dimensions.height);
@ -1902,7 +1904,7 @@ void Clay__ElementPostConfiguration(void) {
scrollOffset = Clay__ScrollContainerDataInternalArray_Add(&context->scrollContainerDatas, CLAY__INIT(Clay__ScrollContainerDataInternal){.layoutElement = openLayoutElement, .scrollOrigin = {-1,-1}, .elementId = openLayoutElement->id, .openThisFrame = true});
}
if (context->externalScrollHandlingEnabled) {
scrollOffset->scrollPosition = Clay__QueryScrollOffset(scrollOffset->elementId);
scrollOffset->scrollPosition = Clay__QueryScrollOffset(scrollOffset->elementId, context->queryScrollOffsetUserData);
}
break;
}
@ -3678,11 +3680,15 @@ Clay_Arena Clay_CreateArenaWithCapacityAndMemory(uint32_t capacity, void *offset
}
#ifndef CLAY_WASM
void Clay_SetMeasureTextFunction(Clay_Dimensions (*measureTextFunction)(Clay_String *text, Clay_TextElementConfig *config)) {
void Clay_SetMeasureTextFunction(Clay_Dimensions (*measureTextFunction)(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData), uintptr_t userData) {
Clay_Context* context = Clay_GetCurrentContext();
Clay__MeasureText = measureTextFunction;
context->mesureTextUserData = userData;
}
void Clay_SetQueryScrollOffsetFunction(Clay_Vector2 (*queryScrollOffsetFunction)(uint32_t elementId)) {
void Clay_SetQueryScrollOffsetFunction(Clay_Vector2 (*queryScrollOffsetFunction)(uint32_t elementId, uintptr_t userData), uintptr_t userData) {
Clay_Context* context = Clay_GetCurrentContext();
Clay__QueryScrollOffset = queryScrollOffsetFunction;
context->queryScrollOffsetUserData = userData;
}
#endif

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@ -299,7 +299,10 @@ int main(int argc, char *argv[]) {
fprintf(stderr, "Error: could not load font: %s\n", TTF_GetError());
return 1;
}
SDL2_fonts[FONT_ID_BODY_16] = (SDL2_Font) {
SDL2_Font fonts[1] = {};
fonts[FONT_ID_BODY_16] = (SDL2_Font) {
.fontId = FONT_ID_BODY_16,
.font = font,
};
@ -315,12 +318,13 @@ int main(int argc, char *argv[]) {
uint64_t totalMemorySize = Clay_MinMemorySize();
Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(totalMemorySize, malloc(totalMemorySize));
Clay_SetMeasureTextFunction(SDL2_MeasureText);
int windowWidth = 0;
int windowHeight = 0;
SDL_GetWindowSize(window, &windowWidth, &windowHeight);
Clay_Initialize(clayMemory, (Clay_Dimensions) { (float)windowWidth, (float)windowHeight }, (Clay_ErrorHandler) { HandleClayErrors });
Clay_SetMeasureTextFunction(SDL2_MeasureText, (uintptr_t)&fonts);
Uint64 NOW = SDL_GetPerformanceCounter();
Uint64 LAST = 0;
double deltaTime = 0;
@ -361,7 +365,7 @@ int main(int argc, char *argv[]) {
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
Clay_SDL2_Render(renderer, renderCommands);
Clay_SDL2_Render(renderer, renderCommands, fonts);
SDL_RenderPresent(renderer);
}

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@ -21,8 +21,10 @@ typedef struct app_state {
SDL_Renderer *renderer;
} AppState;
static inline Clay_Dimensions SDL_MeasureText(Clay_String *text, Clay_TextElementConfig *config)
static inline Clay_Dimensions SDL_MeasureText(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData)
{
TTF_Font *font = gFonts[config->fontId];
int width, height;
@ -114,8 +116,8 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
int width, height;
SDL_GetWindowSize(state->window, &width, &height);
Clay_SetMeasureTextFunction(SDL_MeasureText);
Clay_Initialize(clayMemory, (Clay_Dimensions) { (float) width, (float) height }, (Clay_ErrorHandler) { HandleClayErrors });
Clay_SetMeasureTextFunction(SDL_MeasureText, 0);
*appstate = state;
return SDL_APP_CONTINUE;

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@ -314,7 +314,7 @@
const importObject = {
clay: {
measureTextFunction: (addressOfDimensions, textToMeasure, addressOfConfig) => {
measureTextFunction: (addressOfDimensions, textToMeasure, addressOfConfig, userData) => {
let stringLength = memoryDataView.getUint32(textToMeasure, true);
let pointerToString = memoryDataView.getUint32(textToMeasure + 4, true);
let textConfig = readStructAtAddress(addressOfConfig, textConfigDefinition);

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@ -314,7 +314,7 @@
const importObject = {
clay: {
measureTextFunction: (addressOfDimensions, textToMeasure, addressOfConfig) => {
measureTextFunction: (addressOfDimensions, textToMeasure, addressOfConfig, userData) => {
let stringLength = memoryDataView.getUint32(textToMeasure, true);
let pointerToString = memoryDataView.getUint32(textToMeasure + 4, true);
let textConfig = readStructAtAddress(addressOfConfig, textConfigDefinition);

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@ -84,7 +84,7 @@ int main(void) {
.width = GetScreenWidth(),
.height = GetScreenHeight()
}, (Clay_ErrorHandler) { HandleClayErrors }); // This final argument is new since the video was published
Clay_SetMeasureTextFunction(Raylib_MeasureText);
Clay_SetMeasureTextFunction(Raylib_MeasureText, 0);
Raylib_fonts[FONT_ID_BODY_16] = (Raylib_Font) {
.font = LoadFontEx("resources/Roboto-Regular.ttf", 48, 0, 400),
.fontId = FONT_ID_BODY_16

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@ -247,7 +247,7 @@ int main(void) {
.height = GetScreenHeight() / 2
}, (Clay_ErrorHandler) { HandleClayErrors }); // This final argument is new since the video was published
Clay_SetMeasureTextFunction(Raylib_MeasureText);
Clay_SetMeasureTextFunction(Raylib_MeasureText, 0);
Raylib_fonts[FONT_ID_BODY_16] = (Raylib_Font) {
.font = LoadFontEx("resources/Roboto-Regular.ttf", 48, 0, 400),
.fontId = FONT_ID_BODY_16

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@ -218,8 +218,8 @@ void HandleClayErrors(Clay_ErrorData errorData) {
int main(void) {
uint64_t totalMemorySize = Clay_MinMemorySize();
Clay_Arena clayMemory = Clay_CreateArenaWithCapacityAndMemory(totalMemorySize, malloc(totalMemorySize));
Clay_SetMeasureTextFunction(Raylib_MeasureText);
Clay_Initialize(clayMemory, (Clay_Dimensions) { (float)GetScreenWidth(), (float)GetScreenHeight() }, (Clay_ErrorHandler) { HandleClayErrors });
Clay_SetMeasureTextFunction(Raylib_MeasureText, 0);
Clay_Raylib_Initialize(1024, 768, "Clay - Raylib Renderer Example", FLAG_VSYNC_HINT | FLAG_WINDOW_RESIZABLE | FLAG_WINDOW_HIGHDPI | FLAG_MSAA_4X_HINT);
profilePicture = LoadTextureFromImage(LoadImage("resources/profile-picture.png"));
Raylib_fonts[FONT_ID_BODY_24] = (Raylib_Font) {

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@ -12,11 +12,12 @@ typedef struct
TTF_Font *font;
} SDL2_Font;
static SDL2_Font SDL2_fonts[1];
static Clay_Dimensions SDL2_MeasureText(Clay_String *text, Clay_TextElementConfig *config)
static Clay_Dimensions SDL2_MeasureText(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData)
{
TTF_Font *font = SDL2_fonts[config->fontId].font;
SDL2_Font *fonts = (SDL2_Font*)userData;
TTF_Font *font = fonts[config->fontId].font;
char *chars = (char *)calloc(text->length + 1, 1);
memcpy(chars, text->chars, text->length);
int width = 0;
@ -34,7 +35,7 @@ static Clay_Dimensions SDL2_MeasureText(Clay_String *text, Clay_TextElementConfi
SDL_Rect currentClippingRectangle;
static void Clay_SDL2_Render(SDL_Renderer *renderer, Clay_RenderCommandArray renderCommands)
static void Clay_SDL2_Render(SDL_Renderer *renderer, Clay_RenderCommandArray renderCommands, SDL2_Font *fonts)
{
for (uint32_t i = 0; i < renderCommands.length; i++)
{
@ -60,7 +61,7 @@ static void Clay_SDL2_Render(SDL_Renderer *renderer, Clay_RenderCommandArray ren
Clay_String text = renderCommand->text;
char *cloned = (char *)calloc(text.length + 1, 1);
memcpy(cloned, text.chars, text.length);
TTF_Font* font = SDL2_fonts[config->fontId].font;
TTF_Font* font = fonts[config->fontId].font;
SDL_Surface *surface = TTF_RenderUTF8_Blended(font, cloned, (SDL_Color) {
.r = (Uint8)config->textColor.r,
.g = (Uint8)config->textColor.g,

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@ -83,7 +83,7 @@ static inline char *Clay_Cairo__NullTerminate(Clay_String *str) {
}
// Measure text using cairo's *toy* text API.
static inline Clay_Dimensions Clay_Cairo_MeasureText(Clay_String *str, Clay_TextElementConfig *config) {
static inline Clay_Dimensions Clay_Cairo_MeasureText(Clay_String *str, Clay_TextElementConfig *config, uintptr_t userData) {
// Edge case: Clay computes the width of a whitespace character
// once. Cairo does not factor in whitespaces when computing text
// extents, this edge-case serves as a short-circuit to introduce

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@ -89,7 +89,7 @@ Ray GetScreenToWorldPointWithZDistance(Vector2 position, Camera camera, int scre
uint32_t measureCalls = 0;
static inline Clay_Dimensions Raylib_MeasureText(Clay_String *text, Clay_TextElementConfig *config) {
static inline Clay_Dimensions Raylib_MeasureText(Clay_String *text, Clay_TextElementConfig *config, uintptr_t userData) {
measureCalls++;
// Measure string size for Font
Clay_Dimensions textSize = { 0 };