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Add error message for unbalanced calls to open / close

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Nic Barker 2025-08-21 13:13:42 +10:00
parent 3ed3782f5e
commit 6d16ae8b91
1 changed files with 13 additions and 2 deletions
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15
clay.h
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@ -793,6 +793,8 @@ typedef CLAY_PACKED_ENUM {
CLAY_ERROR_TYPE_PERCENTAGE_OVER_1,
// Clay encountered an internal error. It would be wonderful if you could report this so we can fix it!
CLAY_ERROR_TYPE_INTERNAL_ERROR,
// Clay__OpenElement was called more times than Clay__CloseElement, so there were still remaining open elements when the layout ended.
CLAY_ERROR_TYPE_UNBALANCED_OPEN_CLOSE,
} Clay_ErrorType;
// Data to identify the error that clay has encountered.
@ -1822,6 +1824,10 @@ void Clay__CloseElement(void) {
}
Clay_LayoutElement *openLayoutElement = Clay__GetOpenLayoutElement();
Clay_LayoutConfig *layoutConfig = openLayoutElement->layoutConfig;
if (!layoutConfig) {
openLayoutElement->layoutConfig = &Clay_LayoutConfig_DEFAULT;
layoutConfig = &Clay_LayoutConfig_DEFAULT;
}
bool elementHasClipHorizontal = false;
bool elementHasClipVertical = false;
for (int32_t i = 0; i < openLayoutElement->elementConfigs.length; i++) {
@ -4247,9 +4253,14 @@ Clay_RenderCommandArray Clay_EndLayout(void) {
.renderData = { .text = { .stringContents = CLAY__INIT(Clay_StringSlice) { .length = message.length, .chars = message.chars, .baseChars = message.chars }, .textColor = {255, 0, 0, 255}, .fontSize = 16 } },
.commandType = CLAY_RENDER_COMMAND_TYPE_TEXT
});
} else {
Clay__CalculateFinalLayout();
}
if (context->openLayoutElementStack.length > 1) {
context->errorHandler.errorHandlerFunction(CLAY__INIT(Clay_ErrorData) {
.errorType = CLAY_ERROR_TYPE_UNBALANCED_OPEN_CLOSE,
.errorText = CLAY_STRING("There were still open layout elements when EndLayout was called. This results from an unequal number of calls to Clay__OpenElement and Clay__CloseElement."),
.userData = context->errorHandler.userData });
}
Clay__CalculateFinalLayout();
return context->renderCommands;
}