SetScrollHereY will get flicker when style is xx.xxxxx float like

[llxiaoyuan]

Version/Branch of Dear ImGui:

Version 1.XX, Branch: XXX (master/docking/etc.)

Back-ends:

imgui_impl_XXX.cpp + imgui_impl_XXX.cpp

Compiler, OS:

win10

Full config/build information:

No response

Details:

My Issue/Question:

It takes at least three clicks，to SetScrollHereY in good pos

Screenshots/Video:

No response

Minimal, Complete and Verifiable Example code:

        static bool need_to_set_scroll = false;
        ImGui::Begin(u8"chat111");
        if (ImGui::Button("track_once111"))
        {
            need_to_set_scroll = true;
        }
        ImGui::BeginChild("chatBeginChild1", ImVec2(0, 0), ImGuiChildFlags_Border);
        ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(9.465649, 9.465649));
        ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(9.465649, 13.146734));
        ImGui::BeginChild("chatBeginChild", ImVec2(0, 0), ImGuiChildFlags_Border);
        int scroll_index = 49;
        for (size_t j = 0; j < 50; j++)
        {
            ImGui::TextColored(ImVec4(1, 1, 1, 1), "%d %d",  j, scroll_index);
            if (need_to_set_scroll && scroll_index == j) {
                need_to_set_scroll = false;
                ImGui::SetScrollHereY(0.5f);
            }
        }
        ImGui::EndChild();
        ImGui::PopStyleVar();
        ImGui::PopStyleVar();
        ImGui::EndChild();
        ImGui::End();

[ocornut]

Non integer style values are not supported.

[ocornut]

I have confirmed that the issue doesn't happen with integer values. On your other issue I will move to #8212.