////////////////////////////////////////////////////////////
//~ Label helpers

UI_Key UI_BuildLabel(String text)
{
  UI_Key parent = UI_Top(Parent);
  GC_FontKey font = UI_Top(Font);
  f32 font_size = UI_Top(FontSize);
  Vec2 scale = UI_Top(Scale);
  Vec4 tint = UI_Top(Tint);
  UI_Region alignment = UI_Top(ChildAlignment);

  UI_Key key = Zi;
  UI_PushCP(UI_NilKey);
  {
    UI_PushDefaults();
    UI_Push(Parent, parent);
    UI_Push(Scale, scale);
    UI_Push(Tint, tint);
    UI_Push(Font, font);
    UI_Push(FontSize, font_size);
    UI_Push(Width, UI_SHRINK(0, 1));
    UI_Push(Height, UI_SHRINK(0, 1));
    UI_Push(Text, text);
    UI_Push(ChildAlignment, alignment);
    UI_Push(Flags, UI_BoxFlag_DrawText);
    key = UI_BuildBox();
  }
  UI_PopCP(UI_TopCP());
  return key;
}

UI_Key UI_BuildLabelF_(String fmt, ...)
{
  UI_Key key = Zi;
  TempArena scratch = BeginScratchNoConflict();
  {
    va_list va;
    va_start(va, fmt);
    String str = FormatString(scratch.arena, fmt, FmtArgsFromVaList(scratch.arena, va));
    key = UI_BuildLabel(str);
    va_end(va);
  }
  EndScratch(scratch);
  return key;
}

////////////////////////////////////////////////////////////
//~ Spacing helpers

UI_Key UI_BuildSpacer(UI_Size size, Axis axis)
{
  UI_Key parent = UI_Top(Parent);
  UI_Key key = Zi;
  Vec2 scale = UI_Top(Scale);
  UI_PushCP(UI_NilKey);
  {
    UI_PushDefaults();
    UI_Push(Parent, parent);
    UI_Push(Scale, scale);
    UI_Push(Tint, 0);
    UI_Push(AxisSize, UI_GROW(1, 0), .axis = !axis);
    UI_Push(AxisSize, size, .axis = axis);
    key = UI_BuildBox();
  }
  UI_PopCP(UI_TopCP());
  return key;
}

UI_Key UI_BuildDivider(UI_Size size, Vec4 color, Axis axis)
{
  UI_Key key = Zi;
  UI_Key parent = UI_Top(Parent);
  Vec2 scale = UI_Top(Scale);
  Vec4 tint = UI_Top(Tint);
  UI_PushCP(UI_NilKey);
  {
    UI_PushDefaults();
    UI_Push(Parent, parent);
    UI_Push(Scale, scale);
    UI_Push(Tint, tint);
    UI_Push(BackgroundColor, color);
    UI_Push(AxisSize, UI_GROW(1, 0), .axis = !axis);
    UI_Push(AxisSize, size, .axis = axis);
    key = UI_BuildBox();
  }
  UI_PopCP(UI_TopCP());
  return key;
}

////////////////////////////////////////////////////////////
//~ Layout helpers

UI_Key UI_BuildColumnEx(UI_Key key)
{
  UI_SetNext(ChildLayoutAxis, Axis_Y);
  return UI_BuildBoxEx(key);
}

UI_Key UI_BuildRowEx(UI_Key key)
{
  UI_SetNext(ChildLayoutAxis, Axis_X);
  return UI_BuildBoxEx(key);
}