avoid floating point exception when _EM_OVERFLOW is enabled (#2303)

6 years ago · 1e4cf67a53
parent ea7206fd4f
commit 1e4cf67a53
1 changed files with 1 additions and 1 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -3729,7 +3729,7 @@ void ImGui::EndFrame()
    IM_ASSERT(g.FrameScopeActive && "Forgot to call ImGui::NewFrame()?");

    // Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
-    if (g.IO.ImeSetInputScreenPosFn && ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f)
+    if (g.IO.ImeSetInputScreenPosFn && (g.PlatformImeLastPos.x == FLT_MAX || ImLengthSqr(g.PlatformImeLastPos - g.PlatformImePos) > 0.0001f))
    {
        g.IO.ImeSetInputScreenPosFn((int)g.PlatformImePos.x, (int)g.PlatformImePos.y);
        g.PlatformImeLastPos = g.PlatformImePos;