OrcaSlicer/src/slic3r/GUI/OG_CustomCtrl.cpp

#include "OG_CustomCtrl.hpp"
#include "OptionsGroup.hpp"
#include "MarkdownTip.hpp"
#include "Plater.hpp"
#include "GUI_App.hpp"
#include "MsgDialog.hpp"
#include "libslic3r/AppConfig.hpp"

#include <wx/utils.h>
#include <boost/algorithm/string/split.hpp>
#include "libslic3r/Utils.hpp"
#include "I18N.hpp"
#include "format.hpp"
#include <slic3r/GUI/Widgets/Label.hpp>

namespace Slic3r { namespace GUI {

 // BBS: modify param ui style
    constexpr int titleWidth = 20;
    constexpr int ctrlWidth = 50;

#define DISABLE_BLINKING
#define DISABLE_UNDO_SYS

static bool is_point_in_rect(const wxPoint& pt, const wxRect& rect)
{
    return  rect.GetLeft() <= pt.x && pt.x <= rect.GetRight() &&
            rect.GetTop() <= pt.y && pt.y <= rect.GetBottom();
}

static wxSize get_bitmap_size(const wxBitmap& bmp)
{
#ifdef __APPLE__
    return bmp.GetScaledSize();
#else
    return bmp.GetSize();
#endif
}

OG_CustomCtrl::OG_CustomCtrl(   wxWindow*            parent,
                                OptionsGroup*        og,
                                const wxPoint&       pos /* = wxDefaultPosition*/,
                                const wxSize&        size/* = wxDefaultSize*/,
                                const wxValidator&   val /* = wxDefaultValidator*/,
                                const wxString&      name/* = wxEmptyString*/) :
    wxPanel(parent, wxID_ANY, pos, size, /*wxWANTS_CHARS |*/ wxBORDER_NONE | wxTAB_TRAVERSAL),
    opt_group(og)
{
    if (!wxOSX)
        SetDoubleBuffered(true);// SetDoubleBuffered exists on Win and Linux/GTK, but is missing on OSX
    SetBackgroundColour(parent->GetBackgroundColour());

    // BBS: new font
    m_font = Label::Body_14;
    SetFont(m_font);
    m_em_unit   = em_unit(m_parent);
    m_v_gap   = lround(1.2 * m_em_unit);
    m_v_gap2  = lround(0.8 * m_em_unit);
    m_h_gap   = lround(0.2 * m_em_unit);

    //m_bmp_mode_sz       = get_bitmap_size(create_scaled_bitmap("mode_simple", this, wxOSX ? 10 : 12));
    m_bmp_blinking_sz   = get_bitmap_size(create_scaled_bitmap("blank_16", this));

    init_ctrl_lines();// from og.lines()

    this->Bind(wxEVT_PAINT,     &OG_CustomCtrl::OnPaint, this);
    this->Bind(wxEVT_MOTION,    &OG_CustomCtrl::OnMotion, this);
    this->Bind(wxEVT_LEFT_DOWN, &OG_CustomCtrl::OnLeftDown, this);
    this->Bind(wxEVT_LEAVE_WINDOW, &OG_CustomCtrl::OnLeaveWin, this);
}

void OG_CustomCtrl::init_ctrl_lines()
{
    const std::vector<Line>& og_lines = opt_group->get_lines();
    for (const Line& line : og_lines)
    {
        if (line.is_separator()) {
            ctrl_lines.emplace_back(CtrlLine(3, this, line));
            continue;
        }

        if (line.full_width && (
            // description line
            line.widget != nullptr ||
            // description line with widget (button)
            !line.get_extra_widgets().empty())
            )
            continue;

        const std::vector<Option>& option_set = line.get_options();
        wxCoord height;

        // if we have a single option with no label, no sidetext just add it directly to sizer
        if (option_set.size() == 1 && opt_group->label_width == 0 && option_set.front().opt.full_width &&
            option_set.front().opt.sidetext.size() == 0 && option_set.front().side_widget == nullptr &&
            line.get_extra_widgets().size() == 0)
        {
            height = m_bmp_blinking_sz.GetHeight() + m_v_gap;
            ctrl_lines.emplace_back(CtrlLine(height, this, line, true));
        }
        else if (opt_group->label_width != 0 && (!line.label.IsEmpty() || option_set.front().opt.gui_type == ConfigOptionDef::GUIType::legend) )
        {
            wxSize label_sz = GetTextExtent(line.label);
            if (opt_group->split_multi_line) {
                if (option_set.size() > 1) // BBS
                    height = (label_sz.y + m_v_gap2) * option_set.size() + m_v_gap - m_v_gap2;
                else
                    height = label_sz.y * (label_sz.GetWidth() > int(opt_group->label_width * m_em_unit) ? 2 : 1) + m_v_gap;
            } else {
                height = label_sz.y * (label_sz.GetWidth() > int(opt_group->label_width * m_em_unit) ? 2 : 1) + m_v_gap;
            }
            ctrl_lines.emplace_back(CtrlLine(height, this, line, false, opt_group->staticbox));
        }
        else
            assert(false);
    }
}

int OG_CustomCtrl::get_height(const Line& line)
{
    for (auto ctrl_line : ctrl_lines)
        if (&ctrl_line.og_line == &line)
            return ctrl_line.height;
        
    return 0;
}

wxPoint OG_CustomCtrl::get_pos(const Line& line, Field* field_in/* = nullptr*/)
{
    // BBS: new layout
    wxCoord v_pos = 0;
    wxCoord h_pos = get_title_width() * m_em_unit;

    auto correct_line_height = [](int& line_height, wxWindow* win)
    {
        int win_height = win->GetSize().GetHeight();
        if (line_height < win_height)
            line_height = win_height;
    };

    auto correct_horiz_pos = [this](int& h_pos, Field* field) {
        if (m_max_win_width > 0 && field->getWindow()) {
            int win_width = field->getWindow()->GetSize().GetWidth();
            if (dynamic_cast<CheckBox*>(field))
                win_width *= 0.5;
            h_pos += m_max_win_width - win_width;
        }
    };

    auto add_label_width = [&h_pos, this](CtrlLine &ctrl_line, wxString const & label, int label_width) {
        wxClientDC dc(this);
        dc.SetFont(m_font);
        wxString multiline_text;
        auto size = Label::split_lines(dc, label_width, label, multiline_text);
        if (label_width > 0) size.x = label_width;
        h_pos += size.x + m_h_gap;
        if (ctrl_line.height < size.y)
            ctrl_line.height = size.y;
    };

    auto add_buttons_width = [&h_pos, this] (int blinking_button_width) {
#ifndef DISABLE_BLINKING
#  ifndef DISABLE_UNDO_SYS
        h_pos += 3 * blinking_button_width;
#  else
        h_pos += 2 * blinking_button_width;
#  endif
#else
#  ifndef DISABLE_UNDO_SYS
        h_pos += 2 * blinking_button_width;
#  else
        h_pos += 1 * blinking_button_width;
#  endif
#endif
    };

    for (CtrlLine& ctrl_line : ctrl_lines) {
        if (&ctrl_line.og_line == &line)
        {
            // BBS: new layout
            // h_pos = m_bmp_mode_sz.GetWidth() + m_h_gap;
            if (line.near_label_widget_win) {
                wxSize near_label_widget_sz = line.near_label_widget_win->GetSize();
                if (field_in)
                    h_pos += near_label_widget_sz.GetWidth() + m_h_gap;
                else
                    break;
            }

            wxString label = line.label;
            if (opt_group->label_width != 0)
                add_label_width(ctrl_line, label, opt_group->label_width * m_em_unit);

            int blinking_button_width = m_bmp_blinking_sz.GetWidth() + m_h_gap;

            if (line.widget) {
#ifndef DISABLE_BLINKING
                h_pos += blinking_button_width;
#endif

                for (auto child : line.widget_sizer->GetChildren())
                    if (child->IsWindow())
                        correct_line_height(ctrl_line.height, child->GetWindow());
                break;
            }

            if (opt_group->option_label_at_right) // BBS: position buttons at right
                add_buttons_width(blinking_button_width);

            // If we have a single option with no sidetext
            const std::vector<Option>& option_set = line.get_options();
            if (option_set.size() == 1 && option_set.front().opt.sidetext.size() == 0 &&
                option_set.front().side_widget == nullptr && line.get_extra_widgets().size() == 0)
            {
                // BBS: new layout
                // h_pos += 3 * blinking_button_width;
                Field* field = opt_group->get_field(option_set.front().opt_id);
                correct_line_height(ctrl_line.height, field->getWindow());
                correct_horiz_pos(h_pos, field);
                break;
            }

            bool is_multioption_line = option_set.size() > 1;
            for (auto opt : option_set) {
                Field* field = opt_group->get_field(opt.opt_id);
                correct_line_height(ctrl_line.height, field->getWindow());

                if (!opt_group->option_label_at_right) { // BBS: position option label at right
                    ConfigOptionDef option = opt.opt;
                    // add label if any
                    if (is_multioption_line && !option.label.empty()) {
                        //!            To correct translation by context have to use wxGETTEXT_IN_CONTEXT macro from wxWidget 3.1.1
                        auto label = (option.label == L_CONTEXT("Top", "Layers") || option.label == L_CONTEXT("Bottom", "Layers")) ? _CTX(option.label, "Layers") :
                                                                                                                                     _(option.label);
                        // BBS
                        // label += ":";
                        add_label_width(ctrl_line, label, opt_group->sublabel_width * m_em_unit);
                        h_pos += 8;
                    }

                }

                if (field == field_in) {
                    correct_horiz_pos(h_pos, field);
                    break;
                }
                if (opt_group->split_multi_line) {// BBS
                    v_pos += (ctrl_line.height - m_v_gap + m_v_gap2) / option_set.size();
                } else {
                    // BBS: new layout
                    h_pos += field->getWindow()->GetSize().x;
                    add_buttons_width(blinking_button_width);
                    if (option_set.size() == 1 && option_set.front().opt.full_width)
                        break;

                    // add sidetext if any
                    if (!field->combine_side_text() && (!opt.opt.sidetext.empty() || opt_group->sidetext_width > 0))
                        h_pos += opt_group->sidetext_width * m_em_unit + m_h_gap;

                    if (opt.opt_id != option_set.back().opt_id) //! istead of (opt != option_set.back())
                        h_pos += lround(0.6 * m_em_unit);
                }
            }
            break;
        }
        if (ctrl_line.is_visible)
            v_pos += ctrl_line.height;
    }

    return wxPoint(h_pos, v_pos);
}

// BBS: draw multi-line title
static void draw_title(wxDC& dc, wxPoint pos, const wxString& text, const wxColour* color, int width)
{
    wxString multiline_text;
    if (width > 0 && dc.GetTextExtent(text).x > width) {
        multiline_text = text;

        size_t idx = size_t(-1);
        size_t start = 0;
        for (size_t i = 0; i < multiline_text.Len(); i++)
        {
            if (multiline_text[i] == ' ')
            {
                if (dc.GetTextExtent(multiline_text.SubString(start, i)).x < width)
                    idx = i;
                else {
                    if (idx == size_t(-1))
                        idx = i;
                    multiline_text[idx] = '\n';
                    start = idx + 1;
                    idx = size_t(-1);
                }
            }
        }
        if (idx != size_t(-1))
            multiline_text[idx] = '\n';
    }

    if (!text.IsEmpty()) {
        const wxString& out_text = multiline_text.IsEmpty() ? text : multiline_text;
        wxCoord text_width, text_height;
        dc.GetMultiLineTextExtent(out_text, &text_width, &text_height);

        wxColour old_clr = dc.GetTextForeground();
        wxFont old_font = dc.GetFont();
        dc.SetTextForeground(color ? *color :
#ifdef _WIN32
            wxGetApp().get_label_clr_default());
#else
            wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
#endif /* _WIN32 */
        dc.DrawText(out_text, pos);
        dc.SetTextForeground(old_clr);
        dc.SetFont(old_font);

        if (width < 1)
            width = text_width;
    }
}

void OG_CustomCtrl::OnPaint(wxPaintEvent&)
{
    // case, when custom controll is destroyed but doesn't deleted from the evet loop
    if(!this->opt_group->custom_ctrl)
        return;

    wxPaintDC dc(this);

    wxCoord h_pos = get_title_width() * m_em_unit;
    wxCoord v_pos = 0;
    // BBS: new layout
    if (!GetLabel().IsEmpty()) {
        dc.SetFont(Label::Head_16);
        wxColour color = StateColor::darkModeColorFor("#283436");
        draw_title(dc, {0, v_pos}, GetLabel(), &color, h_pos);
        dc.SetFont(m_font);
    }
    for (CtrlLine& line : ctrl_lines) {
        if (!line.is_visible)
            continue;
        line.render(dc, h_pos, v_pos);
        v_pos += line.height;
    }
}

void OG_CustomCtrl::OnMotion(wxMouseEvent& event)
{
    const wxPoint pos = event.GetLogicalPosition(wxClientDC(this));
    wxString tooltip;
    std::string markdowntip;

    // BBS: markdown tip
    CtrlLine* focusedLine = nullptr;
    // BBS

    bool suppress_hyperlinks = false;

    for (CtrlLine& line : ctrl_lines) {
        if (!line.is_visible) continue;
        line.is_focused = is_point_in_rect(pos, line.rect_label);
        if (line.is_focused) {
            if (!suppress_hyperlinks && !line.og_line.label_path.empty())
                tooltip = OptionsGroup::get_url(line.og_line.label_path) + "\n\n";
            tooltip += line.og_line.label_tooltip;
            // BBS: markdown tip
            focusedLine = &line;
            markdowntip = line.og_line.label.empty() 
                ? line.og_line.get_options().front().opt_id : into_u8(line.og_line.label);
            markdowntip.erase(0, markdowntip.find_last_of('#') + 1);
            // BBS
            break;
        }

        for (size_t opt_idx = 0; opt_idx < line.rects_undo_icon.size(); opt_idx++)
            if (is_point_in_rect(pos, line.rects_undo_icon[opt_idx])) {
                const std::vector<Option>& option_set = line.og_line.get_options();
                Field* field = opt_group->get_field(option_set[opt_idx].opt_id);
                if (field)
                    tooltip = *field->undo_tooltip();
                break;
            }
        for (size_t opt_idx = 0; opt_idx < line.rects_undo_to_sys_icon.size(); opt_idx++)
            if (is_point_in_rect(pos, line.rects_undo_to_sys_icon[opt_idx])) {
                const std::vector<Option>& option_set = line.og_line.get_options();
                Field* field = opt_group->get_field(option_set[opt_idx].opt_id);
                if (field)
                    tooltip = *field->undo_to_sys_tooltip();
                break;
            }
        if (!tooltip.IsEmpty())
            break;
    }

    // Set tooltips with information for each icon
    // BBS: markdown tip
    if (!markdowntip.empty()) {
        wxWindow* window = GetGrandParent();
        assert(focusedLine);
        wxPoint pos2 = { 250, focusedLine->rect_label.y };
        pos2 = ClientToScreen(pos2);
        if (MarkdownTip::ShowTip(markdowntip, into_u8(tooltip), pos2)) {
            tooltip.clear();
        }
    }
    else {
        MarkdownTip::ShowTip(markdowntip, "", {tooltip.empty() ? 0 : 1, 0});
    }
    if (GetToolTipText() != tooltip)
        this->SetToolTip(tooltip);
    // BBS

    Refresh();
    Update();
    event.Skip();
}

void OG_CustomCtrl::OnLeftDown(wxMouseEvent& event)
{
    const wxPoint pos = event.GetLogicalPosition(wxClientDC(this));

    for (const CtrlLine& line : ctrl_lines) {
        if (!line.is_visible) continue;
        if (line.launch_browser())
            return;
        for (size_t opt_idx = 0; opt_idx < line.rects_undo_icon.size(); opt_idx++)
            if (is_point_in_rect(pos, line.rects_undo_icon[opt_idx])) {
                const std::vector<Option>& option_set = line.og_line.get_options();
                Field* field = opt_group->get_field(option_set[opt_idx].opt_id);
                if (field)
                    field->on_back_to_initial_value();
                event.Skip();
                return;
            }
        for (size_t opt_idx = 0; opt_idx < line.rects_undo_to_sys_icon.size(); opt_idx++)
            if (is_point_in_rect(pos, line.rects_undo_to_sys_icon[opt_idx])) {
                const std::vector<Option>& option_set = line.og_line.get_options();
                Field* field = opt_group->get_field(option_set[opt_idx].opt_id);
                if (field)
                    field->on_back_to_sys_value();
                event.Skip();
                return;
            }
    }

    SetFocusIgnoringChildren();
}

void OG_CustomCtrl::OnLeaveWin(wxMouseEvent& event)
{
    for (CtrlLine& line : ctrl_lines)
        line.is_focused = false;

    // BBS: markdown tip
    MarkdownTip::ShowTip("", "", {});

    Refresh();
    Update();
    event.Skip();
}

bool OG_CustomCtrl::update_visibility(ConfigOptionMode mode)
{
    // BBS: new layout
    wxCoord    h_pos = (ctrlWidth + get_title_width() - titleWidth) * m_em_unit;
    wxCoord    h_pos2 = get_title_width() * m_em_unit;
    wxCoord    v_pos = 0;

    size_t invisible_lines = 0;
    for (CtrlLine& line : ctrl_lines) {
        line.update_visibility(mode);
        if (line.is_visible)
            v_pos += (wxCoord)line.height;
        else
            invisible_lines++;
    }
    // BBS: multi-line title
    SetFont(Label::Head_16);
    wxSize label_sz = GetTextExtent(GetLabel());
    SetFont(m_font);
    auto lineHeight = label_sz.y;
    while (label_sz.x > h_pos2) {
        label_sz.x -= h_pos2;
        label_sz.y += lineHeight;
    }
    if (v_pos < label_sz.y) v_pos = label_sz.y;

    this->SetMinSize(wxSize(h_pos, v_pos));

    return invisible_lines != ctrl_lines.size();
}

// BBS: call by Tab/Page
void OG_CustomCtrl::fixup_items_positions()
{
    if (GetParent() == nullptr || GetPosition().y + GetSize().y < GetParent()->GetSize().y)
        return;
    for (CtrlLine& line : ctrl_lines) {
        line.correct_items_positions();
    }
}

void OG_CustomCtrl::correct_window_position(wxWindow* win, const Line& line, Field* field/* = nullptr*/)
{
    wxPoint pos = get_pos(line, field);
    int line_height = get_height(line);
    if (opt_group->split_multi_line) { // BBS
        if (line.get_options().size() > 1)
            line_height = (line_height - m_v_gap + m_v_gap2) / line.get_options().size();
    }
    pos.y += std::max(0, int(0.5 * (line_height - win->GetSize().y)));
    win->SetPosition(pos);
};

void OG_CustomCtrl::correct_widgets_position(wxSizer* widget, const Line& line, Field* field/* = nullptr*/) {
    auto children = widget->GetChildren();
    wxPoint line_pos = get_pos(line, field);
    int line_height = get_height(line);
    for (auto child : children)
        if (child->IsWindow()) {
            wxPoint pos = line_pos;
            wxSize  sz = child->GetWindow()->GetSize();
            pos.y += std::max(0, int(0.5 * (line_height - sz.y)));
            if (line.extra_widget_sizer && widget == line.extra_widget_sizer)
                pos.x += m_h_gap;
            child->GetWindow()->SetPosition(pos);
            line_pos.x += sz.x + m_h_gap;
        }
};

void OG_CustomCtrl::init_max_win_width()
{
    if (opt_group->ctrl_horiz_alignment == wxALIGN_RIGHT && m_max_win_width == 0)
        for (CtrlLine& line : ctrl_lines) {
            if (int max_win_width = line.get_max_win_width();
                m_max_win_width < max_win_width)
                m_max_win_width = max_win_width;
        }
}

int OG_CustomCtrl::get_title_width()
{
    if (!GetLabel().IsEmpty())
        return titleWidth;
    else
        return 2;
}

void OG_CustomCtrl::set_max_win_width(int max_win_width)
{
    if (m_max_win_width == max_win_width)
        return;
    m_max_win_width = max_win_width;
    for (CtrlLine& line : ctrl_lines)
        line.correct_items_positions();

    GetParent()->Layout();
}


void OG_CustomCtrl::msw_rescale()
{
#ifdef __WXOSX__
    return;
#endif
    // BBS: new font
    m_font = Label::Body_14;
    SetFont(m_font);
    m_em_unit   = em_unit(m_parent);
    m_v_gap     = lround(1.2 * m_em_unit);
    m_v_gap2     = lround(0.8 * m_em_unit);
    m_h_gap     = lround(0.2 * m_em_unit);

    //m_bmp_mode_sz = create_scaled_bitmap("mode_simple", this, wxOSX ? 10 : 12).GetSize();
    m_bmp_blinking_sz = create_scaled_bitmap("blank_16", this).GetSize();

    m_max_win_width = 0;

    wxCoord    h_pos = (ctrlWidth + get_title_width() - titleWidth) * m_em_unit;
    wxCoord    h_pos2 = get_title_width() * m_em_unit;
    wxCoord    v_pos = 0;
    for (CtrlLine& line : ctrl_lines) {
        line.msw_rescale();
        if (line.is_visible)
            v_pos += (wxCoord)line.height;
    }
    // BBS: multi-line title
    SetFont(Label::Head_16);
    wxSize label_sz = GetTextExtent(GetLabel());
    SetFont(m_font);
    auto lineHeight = label_sz.y;
    while (label_sz.x > h_pos2) {
        label_sz.x -= h_pos2;
        label_sz.y += lineHeight;
    }
    if (v_pos < label_sz.y) v_pos = label_sz.y;
    // BBS: new layout
    this->SetMinSize(wxSize(h_pos, v_pos));

    GetParent()->Layout();
}

void OG_CustomCtrl::sys_color_changed()
{
}

OG_CustomCtrl::CtrlLine::CtrlLine(  wxCoord         height,
                                    OG_CustomCtrl*  ctrl,
                                    const Line&     og_line,
                                    bool            draw_just_act_buttons /* = false*/,
                                    bool            draw_mode_bitmap/* = true*/):
    height(height),
    ctrl(ctrl),
    og_line(og_line),
    draw_just_act_buttons(draw_just_act_buttons),
    draw_mode_bitmap(draw_mode_bitmap)
{

    for (size_t i = 0; i < og_line.get_options().size(); i++) {
        rects_undo_icon.emplace_back(wxRect());
        rects_undo_to_sys_icon.emplace_back(wxRect());
    }
}

int OG_CustomCtrl::CtrlLine::get_max_win_width()
{
    int max_win_width = 0;
    if (!draw_just_act_buttons) {
        const std::vector<Option>& option_set = og_line.get_options();
        for (auto opt : option_set) {
            Field* field = ctrl->opt_group->get_field(opt.opt_id);
            if (field && field->getWindow())
                max_win_width = field->getWindow()->GetSize().GetWidth();
        }
    }

    return max_win_width;
}

void OG_CustomCtrl::CtrlLine::correct_items_positions()
{
    if (draw_just_act_buttons || !is_visible)
        return;

    if (og_line.near_label_widget_win)
        ctrl->correct_window_position(og_line.near_label_widget_win, og_line);
    if (og_line.widget_sizer)
        ctrl->correct_widgets_position(og_line.widget_sizer, og_line);
    if (og_line.extra_widget_sizer)
        ctrl->correct_widgets_position(og_line.extra_widget_sizer, og_line);

    const std::vector<Option>& option_set = og_line.get_options();
    for (auto opt : option_set) {
        Field* field = ctrl->opt_group->get_field(opt.opt_id);
        if (!field)
            continue;
        if (field->getSizer())
            ctrl->correct_widgets_position(field->getSizer(), og_line, field);
        else if (field->getWindow())
            ctrl->correct_window_position(field->getWindow(), og_line, field);
    }
}

void OG_CustomCtrl::CtrlLine::msw_rescale()
{
    // if we have a single option with no label, no sidetext
    if (draw_just_act_buttons)
        height = get_bitmap_size(create_scaled_bitmap("empty")).GetHeight();

    if (ctrl->opt_group->label_width != 0 && !og_line.label.IsEmpty()) {
        wxSize label_sz = ctrl->GetTextExtent(og_line.label);
        if (ctrl->opt_group->split_multi_line) { // BBS
            const std::vector<Option> &option_set = og_line.get_options();
            if (option_set.size() > 1)
                height = (label_sz.y + ctrl->m_v_gap2) * option_set.size() + ctrl->m_v_gap - ctrl->m_v_gap2;
            else
                height = label_sz.y * (label_sz.GetWidth() > int(ctrl->opt_group->label_width * ctrl->m_em_unit) ? 2 : 1) + ctrl->m_v_gap;
        } else {
            height = label_sz.y * (label_sz.GetWidth() > int(ctrl->opt_group->label_width * ctrl->m_em_unit) ? 2 : 1) + ctrl->m_v_gap;
        }
    }

    correct_items_positions();
}

void OG_CustomCtrl::CtrlLine::update_visibility(ConfigOptionMode mode)
{
    if (og_line.is_separator())
        return;
    const std::vector<Option>& option_set = og_line.get_options();

    const ConfigOptionMode& line_mode = option_set.front().opt.mode;
    is_visible = og_line.toggle_visible && line_mode <= mode;

    if (draw_just_act_buttons)
        return;

    if (og_line.near_label_widget_win)
        og_line.near_label_widget_win->Show(is_visible);
    if (og_line.widget_sizer)
        og_line.widget_sizer->ShowItems(is_visible);
    if (og_line.extra_widget_sizer)
        og_line.extra_widget_sizer->ShowItems(is_visible);

    for (auto opt : option_set) {
        Field* field = ctrl->opt_group->get_field(opt.opt_id);
        if (!field)
            continue;

        if (field->getSizer()) {
            auto children = field->getSizer()->GetChildren();
            for (auto child : children)
                if (child->IsWindow())
                    child->GetWindow()->Show(is_visible);
        }
        else if (field->getWindow())
            field->getWindow()->Show(is_visible);
    }

    correct_items_positions();
}

void OG_CustomCtrl::CtrlLine::render_separator(wxDC& dc, wxCoord v_pos)
{
    wxPoint begin(ctrl->m_h_gap, v_pos);
    wxPoint end(ctrl->GetSize().GetWidth() - ctrl->m_h_gap, v_pos);

    wxPen old_pen = dc.GetPen();
    // pen.SetColour(*wxLIGHT_GREY);
    dc.SetPen(*wxTRANSPARENT_PEN);
    dc.DrawLine(begin, end);
    dc.SetPen(old_pen);
}

void OG_CustomCtrl::CtrlLine::render(wxDC& dc, wxCoord h_pos, wxCoord v_pos)
{
    if (is_separator()) {
        render_separator(dc, v_pos);
        return;
    }

    Field* field = ctrl->opt_group->get_field(og_line.get_options().front().opt_id);

    bool suppress_hyperlinks = false;
    if (draw_just_act_buttons) {
        //BBS: GUI refactor
        if (field && field->undo_bitmap())
        //if (field)
            // BBS: new layout
            draw_act_bmps(dc, wxPoint(h_pos, v_pos), field->undo_to_sys_bitmap()->bmp(), field->undo_bitmap()->bmp(), field->blink());
        return;
    }

    if (og_line.near_label_widget_win)
        h_pos += og_line.near_label_widget_win->GetSize().x + ctrl->m_h_gap;

    const std::vector<Option>& option_set = og_line.get_options();

    wxString label = og_line.label;
    wxColour blink_color = StateColor::darkModeColorFor("#009688");
    bool is_url_string = false;
    if (ctrl->opt_group->label_width != 0 && !label.IsEmpty()) {
        const wxColour* text_clr = field ? field->label_color() : og_line.full_Label_color;
        for (const Option& opt : option_set) {
            Field* field = ctrl->opt_group->get_field(opt.opt_id);
            if (field && field->blink()) {
                text_clr = &blink_color;
                break;
            }
        }
        is_url_string = !suppress_hyperlinks && !og_line.label_path.empty();
        // BBS
        h_pos = draw_text(dc, wxPoint(h_pos, v_pos), label /* + ":" */, text_clr, ctrl->opt_group->label_width * ctrl->m_em_unit, is_url_string, true);
    }

    // If there's a widget, build it and set result to the correct position.
#ifndef DISABLE_BLINKING
    if (og_line.widget != nullptr) {
        draw_blinking_bmp(dc, wxPoint(h_pos, v_pos), og_line.blink);
        return;
    }
#endif

    // If we're here, we have more than one option or a single option with sidetext
    // so we need a horizontal sizer to arrange these things

    auto add_field_width = [&h_pos, this] (Field* field) {
        if (field) {
            if (field->getSizer())
            {
                auto children = field->getSizer()->GetChildren();
                for (auto child : children)
                    if (child->IsWindow())
                        h_pos += child->GetWindow()->GetSize().x + ctrl->m_h_gap;
            }
            else if (field->getWindow()) {
                h_pos += field->getWindow()->GetSize().x + ctrl->m_h_gap;
            }
        }
    };

    auto draw_buttons = [&h_pos, &dc, &v_pos, this](Field* field, size_t bmp_rect_id = 0) {
        if (field && field->undo_to_sys_bitmap()) {
            h_pos = draw_act_bmps(dc, wxPoint(h_pos, v_pos), field->undo_to_sys_bitmap()->bmp(), field->undo_bitmap()->bmp(), field->blink(), bmp_rect_id);
        }
#ifndef DISABLE_BLINKING
        else if (field && !field->undo_to_sys_bitmap() && field->blink()) 
            draw_blinking_bmp(dc, wxPoint(h_pos, v_pos), field->blink());
#endif
    };

    wxCoord h_pos2 = h_pos;
    // If we have a single option with no sidetext just add it directly to the grid sizer
    if (option_set.size() == 1 && option_set.front().opt.sidetext.size() == 0 &&
        option_set.front().side_widget == nullptr && og_line.get_extra_widgets().size() == 0)
    {
        // BBS: new layout
        if (ctrl->opt_group->option_label_at_right)
            draw_buttons(field);
        add_field_width(field);
        wxCoord h_pos3 = h_pos;
        if (!ctrl->opt_group->option_label_at_right)
            draw_buttons(field);
        // update width for full_width fields
        if (option_set.front().opt.full_width && field && field->getWindow())
            field->getWindow()->SetSize(ctrl->GetSize().x - h_pos2 + h_pos3 - h_pos - ctrl->m_em_unit * 3, -1);
        return;
    }

    size_t bmp_rect_id = 0;
    bool is_multioption_line = option_set.size() > 1;
    for (const Option& opt : option_set) {
        field = ctrl->opt_group->get_field(opt.opt_id);
        ConfigOptionDef option = opt.opt;
        if (ctrl->opt_group->option_label_at_right)
            draw_buttons(field, bmp_rect_id++);
        if (ctrl->opt_group->option_label_at_right) // BBS
            add_field_width(field);
        // add label if any
        if (is_multioption_line && !option.label.empty()) {
            //!            To correct translation by context have to use wxGETTEXT_IN_CONTEXT macro from wxWidget 3.1.1
            label = (option.label == L_CONTEXT("Top", "Layers") || option.label == L_CONTEXT("Bottom", "Layers")) ?
                    _CTX(option.label, "Layers") : _(option.label);
            //if (!ctrl->opt_group->option_label_at_right) // BBS
                //label += ":";

            if (is_url_string)
                is_url_string = false;
            else if(opt == option_set.front())
                is_url_string = !suppress_hyperlinks && !og_line.label_path.empty();
            wxColor c = StateColor::darkModeColorFor("#6B6B6B");
            h_pos = draw_text(dc, wxPoint(h_pos, v_pos), label, field ? (field->blink() ? &blink_color : &c) : nullptr, ctrl->opt_group->sublabel_width * ctrl->m_em_unit, is_url_string);
            h_pos += 8;
        }

        // BBS: new layout
        // add field
        if (option_set.size() == 1 && option_set.front().opt.full_width)
            break;
        if (!ctrl->opt_group->option_label_at_right) // BBS
            add_field_width(field);
        // add sidetext if any
        // BBS: new layout
        wxCoord offset = 0;
        if (!field->combine_side_text() && (!option.sidetext.empty() || ctrl->opt_group->sidetext_width > 0)) {
            wxCoord h_pos2 = h_pos + dc.GetTextExtent(_(option.sidetext)).x;
            h_pos = draw_text(dc, wxPoint(h_pos, v_pos), _(option.sidetext), nullptr, ctrl->opt_group->sidetext_width * ctrl->m_em_unit);
            offset = h_pos - h_pos2;
        }
        // BBS: new layout
        if (!ctrl->opt_group->option_label_at_right) {
            offset -= ctrl->m_h_gap; h_pos -= offset;
            draw_buttons(field, bmp_rect_id++);
            h_pos += offset;
        }

        if (opt.opt_id != option_set.back().opt_id) //! istead of (opt != option_set.back())
            h_pos += lround(0.6 * ctrl->m_em_unit);

        if (ctrl->opt_group->split_multi_line) { // BBS
            v_pos += (height - ctrl->m_v_gap + ctrl->m_v_gap2) / option_set.size();
            h_pos = h_pos2;
        }
    }
}

wxCoord OG_CustomCtrl::CtrlLine::draw_text(wxDC &dc, wxPoint pos, const wxString &text, const wxColour *color, int width, bool is_url/* = false*/, bool is_main/* = false*/)
{
    wxString multiline_text;
    auto size = Label::split_lines(dc, width, text, multiline_text);

    if (!text.IsEmpty()) {
        const wxString& out_text = multiline_text.IsEmpty() ? text : multiline_text;

        if (ctrl->opt_group->split_multi_line && !is_main) { // BBS
            const std::vector<Option> &option_set = og_line.get_options();
            pos.y = pos.y + lround(((height - ctrl->m_v_gap + ctrl->m_v_gap2) / option_set.size() - size.y) / 2);
        } else {
            pos.y = pos.y + lround((height - size.y) / 2);
        }
        if (width > 0)
            rect_label = wxRect(pos, wxSize(size.x, size.y));

        wxColour old_clr = dc.GetTextForeground();
        wxFont old_font = dc.GetFont();
        wxColor clr_url = StateColor::darkModeColorFor("#009688");
        if (is_focused && is_url) {
        // temporary workaround for the OSX because of strange Bold font behavior on BigSerf
#ifdef __APPLE__
            dc.SetFont(old_font.Underlined());
#else
            dc.SetFont(old_font.Bold().Underlined());
#endif            
            color = &clr_url;
        }
        dc.SetTextForeground(color ? *color :
#ifdef _WIN32
            wxGetApp().get_label_clr_default());
#else
            wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
#endif /* _WIN32 */
        dc.DrawText(out_text, pos);
        dc.SetTextForeground(old_clr);
        dc.SetFont(old_font);

        if (width < 1)
            width = size.x;
    }

    return pos.x + width + ctrl->m_h_gap;
}

wxPoint OG_CustomCtrl::CtrlLine::draw_blinking_bmp(wxDC& dc, wxPoint pos, bool is_blinking)
{
    wxBitmap bmp_blinking = create_scaled_bitmap(is_blinking ? "blank_16" : "empty", ctrl);
    wxCoord h_pos = pos.x;
    wxCoord v_pos = pos.y + lround((height - get_bitmap_size(bmp_blinking).GetHeight()) / 2);

    dc.DrawBitmap(bmp_blinking, h_pos, v_pos);

    int bmp_dim = get_bitmap_size(bmp_blinking).GetWidth();

    h_pos += bmp_dim + ctrl->m_h_gap;
    return wxPoint(h_pos, v_pos);
}

wxCoord OG_CustomCtrl::CtrlLine::draw_act_bmps(wxDC& dc, wxPoint pos, const wxBitmap& bmp_undo_to_sys, const wxBitmap& bmp_undo, bool is_blinking, size_t rect_id)
{
#ifndef DISABLE_BLINKING
    pos = draw_blinking_bmp(dc, pos, is_blinking);
#else
    if (ctrl->opt_group->split_multi_line) { // BBS
        const std::vector<Option> &option_set = og_line.get_options();
        if (option_set.size() > 1)
            pos.y += lround(((height - ctrl->m_v_gap + ctrl->m_v_gap2) / option_set.size() - get_bitmap_size(bmp_undo).GetHeight()) / 2);
        else
            pos.y += lround((height - get_bitmap_size(bmp_undo).GetHeight()) / 2);
    } else {
        pos.y += lround((height - get_bitmap_size(bmp_undo).GetHeight()) / 2);
    }
#endif
    wxCoord h_pos = pos.x;
    wxCoord v_pos = pos.y;

#ifndef DISABLE_UNDO_SYS
    //BBS: GUI refactor
    dc.DrawBitmap(bmp_undo_to_sys, h_pos, v_pos);

    int bmp_dim = get_bitmap_size(bmp_undo_to_sys).GetWidth();
    rects_undo_to_sys_icon[rect_id] = wxRect(h_pos, v_pos, bmp_dim, bmp_dim);

    h_pos += bmp_dim + ctrl->m_h_gap;
#endif
    dc.DrawBitmap(og_line.undo_to_sys ? bmp_undo_to_sys : bmp_undo, h_pos, v_pos);

    int bmp_dim2 = get_bitmap_size(bmp_undo).GetWidth();
    (og_line.undo_to_sys ? rects_undo_to_sys_icon[rect_id] : rects_undo_icon[rect_id]) = wxRect(h_pos, v_pos, bmp_dim2, bmp_dim2);

    h_pos += bmp_dim2 + ctrl->m_h_gap;

    return h_pos;
}

bool OG_CustomCtrl::CtrlLine::launch_browser() const
{
    if (!is_focused || og_line.label_path.empty())
        return false;

    return OptionsGroup::launch_browser(og_line.label_path);
}

} // GUI
} // Slic3r