Method MenuItemEx

src/imgui/imgui_widgets.cpp:9362–9437

}

bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut, bool selected, bool enabled)
{
    ImGuiWindow* window = GetCurrentWindow();
    if (window->SkipItems)
        return false;

    ImGuiContext& g = *GImGui;
    ImGuiStyle& style = g.Style;
    ImVec2 pos = window->DC.CursorPos;
    ImVec2 label_size = CalcTextSize(label, NULL, true);

    // See BeginMenuEx() for comments about this.
    const bool menuset_is_open = IsRootOfOpenMenuSet();
    if (menuset_is_open)
        PushItemFlag(ImGuiItemFlags_NoWindowHoverableCheck, true);

    // We've been using the equivalent of ImGuiSelectableFlags_SetNavIdOnHover on all Selectable() since early Nav system days (commit 43ee5d73),
    // but I am unsure whether this should be kept at all. For now moved it to be an opt-in feature used by menus only.
    bool pressed;
    PushID(label);
    if (!enabled)
        BeginDisabled();

    // We use ImGuiSelectableFlags_NoSetKeyOwner to allow down on one menu item, move, up on another.
    const ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_SelectOnRelease | ImGuiSelectableFlags_NoSetKeyOwner | ImGuiSelectableFlags_SetNavIdOnHover;
    const ImGuiMenuColumns* offsets = &window->DC.MenuColumns;
    if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
    {
        // Mimic the exact layout spacing of BeginMenu() to allow MenuItem() inside a menu bar, which is a little misleading but may be useful
        // Note that in this situation: we don't render the shortcut, we render a highlight instead of the selected tick mark.
        float w = label_size.x;
        window->DC.CursorPos.x += IM_TRUNC(style.ItemSpacing.x * 0.5f);
        ImVec2 text_pos(window->DC.CursorPos.x + offsets->OffsetLabel, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
        PushStyleVarX(ImGuiStyleVar_ItemSpacing, style.ItemSpacing.x * 2.0f);
        pressed = Selectable("", selected, selectable_flags, ImVec2(w, 0.0f));
        PopStyleVar();
        if (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_Visible)
            RenderText(text_pos, label);
        window->DC.CursorPos.x += IM_TRUNC(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
    }
    else
    {
        // Menu item inside a vertical menu
        // (In a typical menu window where all items are BeginMenu() or MenuItem() calls, extra_w will always be 0.0f.
        //  Only when they are other items sticking out we're going to add spacing, yet only register minimum width into the layout system.)
        float icon_w = (icon && icon[0]) ? CalcTextSize(icon, NULL).x : 0.0f;
        float shortcut_w = (shortcut && shortcut[0]) ? CalcTextSize(shortcut, NULL).x : 0.0f;
        float checkmark_w = IM_TRUNC(g.FontSize * 1.20f);
        float min_w = window->DC.MenuColumns.DeclColumns(icon_w, label_size.x, shortcut_w, checkmark_w); // Feedback for next frame
        float stretch_w = ImMax(0.0f, GetContentRegionAvail().x - min_w);
        pressed = Selectable("", false, selectable_flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, label_size.y));
        if (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_Visible)
        {
            RenderText(pos + ImVec2(offsets->OffsetLabel, 0.0f), label);
            if (icon_w > 0.0f)
                RenderText(pos + ImVec2(offsets->OffsetIcon, 0.0f), icon);
            if (shortcut_w > 0.0f)
            {