Function CreateNewWindow

tutorials/common/imgui/imgui.cpp:5667–5712

}

static ImGuiWindow* CreateNewWindow(const char* name, ImGuiWindowFlags flags)
{
    ImGuiContext& g = *GImGui;
    //IMGUI_DEBUG_LOG("CreateNewWindow '%s', flags = 0x%08X\n", name, flags);

    // Create window the first time
    ImGuiWindow* window = IM_NEW(ImGuiWindow)(&g, name);
    window->Flags = flags;
    g.WindowsById.SetVoidPtr(window->ID, window);

    // Default/arbitrary window position. Use SetNextWindowPos() with the appropriate condition flag to change the initial position of a window.
    const ImGuiViewport* main_viewport = ImGui::GetMainViewport();
    window->Pos = main_viewport->Pos + ImVec2(60, 60);

    // User can disable loading and saving of settings. Tooltip and child windows also don't store settings.
    if (!(flags & ImGuiWindowFlags_NoSavedSettings))
        if (ImGuiWindowSettings* settings = ImGui::FindWindowSettings(window->ID))
        {
            // Retrieve settings from .ini file
            window->SettingsOffset = g.SettingsWindows.offset_from_ptr(settings);
            SetWindowConditionAllowFlags(window, ImGuiCond_FirstUseEver, false);
            ApplyWindowSettings(window, settings);
        }
    window->DC.CursorStartPos = window->DC.CursorMaxPos = window->DC.IdealMaxPos = window->Pos; // So first call to CalcWindowContentSizes() doesn't return crazy values

    if ((flags & ImGuiWindowFlags_AlwaysAutoResize) != 0)
    {
        window->AutoFitFramesX = window->AutoFitFramesY = 2;
        window->AutoFitOnlyGrows = false;
    }
    else
    {
        if (window->Size.x <= 0.0f)
            window->AutoFitFramesX = 2;
        if (window->Size.y <= 0.0f)
            window->AutoFitFramesY = 2;
        window->AutoFitOnlyGrows = (window->AutoFitFramesX > 0) || (window->AutoFitFramesY > 0);
    }

    if (flags & ImGuiWindowFlags_NoBringToFrontOnFocus)
        g.Windows.push_front(window); // Quite slow but rare and only once
    else
        g.Windows.push_back(window);

    return window;
}

static ImVec2 CalcWindowSizeAfterConstraint(ImGuiWindow* window, const ImVec2& size_desired)
{