Method ErrorCheckEndFrameSanityChecks

KBotExt/imgui/imgui.cpp:9205–9241

}

static void ImGui::ErrorCheckEndFrameSanityChecks()
{
	ImGuiContext& g = *GImGui;

	// Verify that io.KeyXXX fields haven't been tampered with. Key mods should not be modified between NewFrame() and EndFrame()
	// One possible reason leading to this assert is that your backends update inputs _AFTER_ NewFrame().
	// It is known that when some modal native windows called mid-frame takes focus away, some backends such as GLFW will
	// send key release events mid-frame. This would normally trigger this assertion and lead to sheared inputs.
	// We silently accommodate for this case by ignoring the case where all io.KeyXXX modifiers were released (aka key_mod_flags == 0),
	// while still correctly asserting on mid-frame key press events.
	const ImGuiKeyChord key_mods = GetMergedModsFromKeys();
	IM_ASSERT((key_mods == 0 || g.IO.KeyMods == key_mods) && "Mismatching io.KeyCtrl/io.KeyShift/io.KeyAlt/io.KeySuper vs io.KeyMods");
	IM_UNUSED(key_mods);

	// [EXPERIMENTAL] Recover from errors: You may call this yourself before EndFrame().
	//ErrorCheckEndFrameRecover();

	// Report when there is a mismatch of Begin/BeginChild vs End/EndChild calls. Important: Remember that the Begin/BeginChild API requires you
	// to always call End/EndChild even if Begin/BeginChild returns false! (this is unfortunately inconsistent with most other Begin* API).
	if (g.CurrentWindowStack.Size != 1)
	{
		if (g.CurrentWindowStack.Size > 1)
		{
			ImGuiWindow* window = g.CurrentWindowStack.back().Window; // <-- This window was not Ended!
			IM_ASSERT_USER_ERROR(g.CurrentWindowStack.Size == 1, "Mismatched Begin/BeginChild vs End/EndChild calls: did you forget to call End/EndChild?");
			IM_UNUSED(window);
			while (g.CurrentWindowStack.Size > 1)
				End();
		}
		else
		{
			IM_ASSERT_USER_ERROR(g.CurrentWindowStack.Size == 1, "Mismatched Begin/BeginChild vs End/EndChild calls: did you call End/EndChild too much?");
		}
	}

	IM_ASSERT_USER_ERROR(g.GroupStack.Size == 0, "Missing EndGroup call!");
}

// Experimental recovery from incorrect usage of BeginXXX/EndXXX/PushXXX/PopXXX calls.
// Must be called during or before EndFrame().