InvisibleButton: Added an assert to catch common type of passing zero…

…-sized dimensions. (#1983)
ocornut · Jul 30, 2018 · f88bf9c · f88bf9c
1 parent 067edd0
commit f88bf9c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/imgui.cpp b/imgui.cpp
@@ -8332,6 +8332,9 @@ bool ImGui::InvisibleButton(const char* str_id, const ImVec2& size_arg)
     if (window->SkipItems)
         return false;
 
+    // Cannot use zero-size for InvisibleButton(). Unlike Button() there is not way to fallback using the label size.
+    IM_ASSERT(size_arg.x != 0.0f && size_arg.y != 0.0f);
+
     const ImGuiID id = window->GetID(str_id);
     ImVec2 size = CalcItemSize(size_arg, 0.0f, 0.0f);
     const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + size);