Nav: Removed unnecessary combo code (that kept the combo arrow highli…

…ghted after reverting to mouse controls). (#787)

imgui.cpp

@@ -9538,14 +9538,13 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImVec2 popu
 
     bool hovered, held;
     bool pressed = ButtonBehavior(frame_bb, id, &hovered, &held);
-    const bool navigated = g.NavId == id;
 
     bool popup_open = IsPopupOpen(id);
 
     const ImRect value_bb(frame_bb.Min, frame_bb.Max - ImVec2(arrow_size, 0.0f));
     RenderNavHighlight(frame_bb, id);
     RenderFrame(frame_bb.Min, frame_bb.Max, GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
-    RenderFrame(ImVec2(frame_bb.Max.x-arrow_size, frame_bb.Min.y), frame_bb.Max, GetColorU32(popup_open || hovered || navigated ? ImGuiCol_ButtonHovered : ImGuiCol_Button), true, style.FrameRounding); // FIXME-ROUNDING
+    RenderFrame(ImVec2(frame_bb.Max.x-arrow_size, frame_bb.Min.y), frame_bb.Max, GetColorU32(popup_open || hovered ? ImGuiCol_ButtonHovered : ImGuiCol_Button), true, style.FrameRounding); // FIXME-ROUNDING
     RenderCollapseTriangle(ImVec2(frame_bb.Max.x - arrow_size + style.FramePadding.y, frame_bb.Min.y + style.FramePadding.y), true);
 
     if (preview_value != NULL)