Function ShowExampleAppAutoResize

libs/imgui/imgui_demo.cpp:2285–2299

Demonstrate creating a window which gets auto-resized according to its content.

// Demonstrate creating a window which gets auto-resized according to its content.
static void ShowExampleAppAutoResize(bool* p_open)
{
    if (!ImGui::Begin("Example: Auto-resizing window", p_open, ImGuiWindowFlags_AlwaysAutoResize))
    {
        ImGui::End();
        return;
    }

    static int lines = 10;
    ImGui::Text("Window will resize every-frame to the size of its content.\nNote that you probably don't want to query the window size to\noutput your content because that would create a feedback loop.");
    ImGui::SliderInt("Number of lines", &lines, 1, 20);
    for (int i = 0; i < lines; i++)
        ImGui::Text("%*sThis is line %d", i*4, "", i); // Pad with space to extend size horizontally
    ImGui::End();
}

// Demonstrate creating a window with custom resize constraints.
static void ShowExampleAppConstrainedResize(bool* p_open)