Function UI_push_block

include/ui/ui_core.cpp:725–751

UI_Block *UI_push_block(UI_Context *ctx, UI_Block* parent) {
    UI_assert(ctx != nullptr);
    UI_Block *result = nullptr;
	auto frame = UI_get_current_frame_buffer(ctx);

	UI_Block new_block = { 0 };
	result = frame->push_back(new_block);

	result->parent = parent;
	result->frame_created = ctx->frame_id;
	result->style.softness = 1.5; // defaults to 1 because everything looks better with it.

    // family matters
	if (parent) {
        UI_assert(result->parent != nullptr);   // must not be null if it's on that list!
        result->prev = result->parent->last;    // set the last child of parent as prev sibling
        result->parent->last = result;          // make this the parent's last child
        if (result->parent->first == nullptr) {
            result->parent->first = result;     // if parent has no first child, set this as first
        }
		result->depth_level = result->parent->depth_level + 1;
    }
    if (result->prev != nullptr)
        result->prev->next = result;        // if it has a prev, link em: set that prev's next to this.

    return result;
}

UI_Block *UI_push_block(UI_Context *ctx) {
	UI_assert(ctx != nullptr);