Method UpdateDebugToolStackQueries

Contrib/imgui/imgui.cpp:14329–14366

[DEBUG] Stack Tool: update queries. Called by NewFrame()

// [DEBUG] Stack Tool: update queries. Called by NewFrame()
void ImGui::UpdateDebugToolStackQueries()
{
    ImGuiContext& g = *GImGui;
    ImGuiStackTool* tool = &g.DebugStackTool;

    // Clear hook when stack tool is not visible
    g.DebugHookIdInfo = 0;
    if (g.FrameCount != tool->LastActiveFrame + 1)
        return;

    // Update queries. The steps are: -1: query Stack, >= 0: query each stack item
    // We can only perform 1 ID Info query every frame. This is designed so the GetID() tests are cheap and constant-time
    const ImGuiID query_id = g.HoveredIdPreviousFrame ? g.HoveredIdPreviousFrame : g.ActiveId;
    if (tool->QueryId != query_id)
    {
        tool->QueryId = query_id;
        tool->StackLevel = -1;
        tool->Results.resize(0);
    }
    if (query_id == 0)
        return;

    // Advance to next stack level when we got our result, or after 2 frames (in case we never get a result)
    int stack_level = tool->StackLevel;
    if (stack_level >= 0 && stack_level < tool->Results.Size)
        if (tool->Results[stack_level].QuerySuccess || tool->Results[stack_level].QueryFrameCount > 2)
            tool->StackLevel++;

    // Update hook
    stack_level = tool->StackLevel;
    if (stack_level == -1)
        g.DebugHookIdInfo = query_id;
    if (stack_level >= 0 && stack_level < tool->Results.Size)
    {
        g.DebugHookIdInfo = tool->Results[stack_level].ID;
        tool->Results[stack_level].QueryFrameCount++;
    }
}

// [DEBUG] Stack tool: hooks called by GetID() family functions
void ImGui::DebugHookIdInfo(ImGuiID id, ImGuiDataType data_type, const void* data_id, const void* data_id_end)