Merge ea3e29be5c into cd82ce6fcf

Co-authored-by: Nic Barker <contact+github@nicbarker.com>

bindings/D/README.md

@@ -0,0 +1,5 @@
+### D Language Example
+
+```
+dmd main.d clay.c
+```

bindings/D/clay.c

@@ -0,0 +1,2 @@
+#define CLAY_IMPLEMENTATION
+#include "../../clay.h"

bindings/D/main.d

@@ -0,0 +1,88 @@
+import clay;
+
+import core.stdc.stdlib;
+
+__gshared:
+
+Clay_LayoutConfig layoutElement = { padding: {5} };
+
+extern(C) void main()
+{
+    ulong totalMemorySize = Clay_MinMemorySize();
+    Clay_Arena clayMemory = {
+        label: str("Clay Memory Arena"),
+        capacity: totalMemorySize,
+        memory: cast(char*)malloc(totalMemorySize)
+    };
+
+    Clay_Initialize(clayMemory, Clay_Dimensions(1024,768));
+    Clay_BeginLayout();
+    if (ClayBegin( Rectangle(color: Clay_Color(255,255,255,0)), Layout(layoutElement)))
+    {   }
+    ClayEnd();
+}
+
+
+// helper functions
+Clay_String str(string it)
+{
+    return Clay_String(cast(int)it.length, it.ptr);
+}
+
+bool ClayBegin(A...)(A configs)
+{
+    Clay__OpenElement();
+    foreach(config; configs)
+    {
+        alias T = typeof(config);
+        static if (is(T == Clay_ElementId))
+        {
+            Clay__AttachId(config);
+        }
+        else static if(is(T == Clay_LayoutConfig*))
+        {
+            Clay__AttachLayoutConfig(config);
+        }
+        else static if(is(T == Clay_ElementConfig))
+        {
+            Clay__AttachElementConfig(config.config, config.type);
+        }
+        else static assert(0, "unsupported " ~ typeof(config).stringof);
+    }
+
+    Clay__ElementPostConfiguration();
+    return true;
+}
+
+void ClayEnd()
+{
+    Clay__CloseElement();
+}
+
+Clay_ElementId Id(string label)
+{
+     return Clay__HashString(str(label), 0, 0);
+}
+
+Clay_LayoutConfig* Layout(lazy Clay_Sizing sizing = Clay_Sizing.init)
+{
+    Clay_LayoutConfig config;
+    config.sizing = sizing;
+    return Clay__StoreLayoutConfig(config);
+}
+
+Clay_LayoutConfig* Layout(Clay_LayoutConfig config)
+{
+    return Clay__StoreLayoutConfig(config);
+}
+
+Clay_ElementConfig Rectangle(lazy Clay_Color color = Clay_Color.init)
+{
+    Clay_RectangleElementConfig config;
+    config.color = color;
+
+    Clay_ElementConfig ret;
+    ret.type = Clay__ElementConfigType.CLAY__ELEMENT_CONFIG_TYPE_RECTANGLE;
+    ret.config.rectangleElementConfig = Clay__StoreRectangleElementConfig(config);
+    return ret;
+}

clay.h

@@ -443,6 +443,13 @@ CLAY__TYPEDEF(Clay_ScrollContainerData, struct {
     bool found;
 });
 
+CLAY__TYPEDEF(Clay_ElementData, struct
+{
+    Clay_BoundingBox boundingBox;
+    // Indicates whether an actual Element matched the provided ID or if the default struct was returned.
+    bool found;
+});
+
 CLAY__TYPEDEF(Clay_RenderCommandType, CLAY_PACKED_ENUM {
     CLAY_RENDER_COMMAND_TYPE_NONE,
     CLAY_RENDER_COMMAND_TYPE_RECTANGLE,
@@ -515,6 +522,7 @@ void Clay_BeginLayout(void);
 Clay_RenderCommandArray Clay_EndLayout(void);
 Clay_ElementId Clay_GetElementId(Clay_String idString);
 Clay_ElementId Clay_GetElementIdWithIndex(Clay_String idString, uint32_t index);
+Clay_ElementData Clay_GetElementData (Clay_ElementId id);
 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);
@@ -2109,9 +2117,9 @@ void Clay__InitializePersistentMemory(Clay_Context* context) {
 void Clay__CompressChildrenAlongAxis(bool xAxis, float totalSizeToDistribute, Clay__int32_tArray resizableContainerBuffer) {
     Clay_Context* context = Clay_GetCurrentContext();
     Clay__int32_tArray largestContainers = context->openClipElementStack;
-    largestContainers.length = 0;
 
     while (totalSizeToDistribute > 0.1) {
+        largestContainers.length = 0;
         float largestSize = 0;
         float targetSize = 0;
         for (int32_t i = 0; i < resizableContainerBuffer.length; ++i) {
@@ -2133,23 +2141,29 @@ void Clay__CompressChildrenAlongAxis(bool xAxis, float totalSizeToDistribute, Cl
             }
         }
 
+        if (largestContainers.length == 0) {
+            return;
+        }
+
         targetSize = CLAY__MAX(targetSize, (largestSize * largestContainers.length) - totalSizeToDistribute) / largestContainers.length;
+
         for (int32_t childOffset = 0; childOffset < largestContainers.length; childOffset++) {
-            Clay_LayoutElement *childElement = Clay_LayoutElementArray_Get(&context->layoutElements, Clay__int32_tArray_Get(&largestContainers, childOffset));
+            int32_t childIndex = Clay__int32_tArray_Get(&largestContainers, childOffset);
+            Clay_LayoutElement *childElement = Clay_LayoutElementArray_Get(&context->layoutElements, childIndex);
             float *childSize = xAxis ? &childElement->dimensions.width : &childElement->dimensions.height;
             float childMinSize = xAxis ? childElement->minDimensions.width : childElement->minDimensions.height;
             float oldChildSize = *childSize;
             *childSize = CLAY__MAX(childMinSize, targetSize);
             totalSizeToDistribute -= (oldChildSize - *childSize);
             if (*childSize == childMinSize) {
-                Clay__int32_tArray_RemoveSwapback(&largestContainers, childOffset);
-                childOffset--;
+                for (int32_t i = 0; i < resizableContainerBuffer.length; i++) {
+                    if (Clay__int32_tArray_Get(&resizableContainerBuffer, i) == childIndex) {
+                        Clay__int32_tArray_RemoveSwapback(&resizableContainerBuffer, i);
+                        break;
+                    }
+                }
             }
         }
-
-        if (largestContainers.length == 0) {
-            break;
-        }
     }
 }
 
@@ -4005,6 +4019,19 @@ Clay_ScrollContainerData Clay_GetScrollContainerData(Clay_ElementId id) {
     return CLAY__INIT(Clay_ScrollContainerData) CLAY__DEFAULT_STRUCT;
 }
 
+CLAY_WASM_EXPORT("Clay_GetElementData")
+Clay_ElementData Clay_GetElementData(Clay_ElementId id){
+    Clay_LayoutElementHashMapItem * item = Clay__GetHashMapItem(id.id);
+    if(item == &CLAY__LAYOUT_ELEMENT_HASH_MAP_ITEM_DEFAULT) {
+        return CLAY__INIT(Clay_ElementData) CLAY__DEFAULT_STRUCT;
+    }
+
+    return CLAY__INIT(Clay_ElementData){
+        .boundingBox = item->boundingBox,
+        .found = true
+    };
+}
+
 CLAY_WASM_EXPORT("Clay_SetDebugModeEnabled")
 void Clay_SetDebugModeEnabled(bool enabled) {
     Clay_Context* context = Clay_GetCurrentContext();