Function ShowExampleAppLog

src/imgui/imgui_demo.cpp:9251–9279

Demonstrate creating a simple log window with basic filtering.

// Demonstrate creating a simple log window with basic filtering.
static void ShowExampleAppLog(bool* p_open)
{
    static ExampleAppLog log;

    // For the demo: add a debug button _BEFORE_ the normal log window contents
    // We take advantage of a rarely used feature: multiple calls to Begin()/End() are appending to the _same_ window.
    // Most of the contents of the window will be added by the log.Draw() call.
    ImGui::SetNextWindowSize(ImVec2(500, 400), ImGuiCond_FirstUseEver);
    ImGui::Begin("Example: Log", p_open);
    IMGUI_DEMO_MARKER("Examples/Log");
    if (ImGui::SmallButton("[Debug] Add 5 entries"))
    {
        static int counter = 0;
        const char* categories[3] = { "info", "warn", "error" };
        const char* words[] = { "Bumfuzzled", "Cattywampus", "Snickersnee", "Abibliophobia", "Absquatulate", "Nincompoop", "Pauciloquent" };
        for (int n = 0; n < 5; n++)
        {
            const char* category = categories[counter % IM_ARRAYSIZE(categories)];
            const char* word = words[counter % IM_ARRAYSIZE(words)];
            log.AddLog("[%05d] [%s] Hello, current time is %.1f, here's a word: '%s'\n",
                ImGui::GetFrameCount(), category, ImGui::GetTime(), word);
            counter++;
        }
    }
    ImGui::End();

    // Actually call in the regular Log helper (which will Begin() into the same window as we just did)
    log.Draw("Example: Log", p_open);
}

//-----------------------------------------------------------------------------
// [SECTION] Example App: Simple Layout / ShowExampleAppLayout()