Merged new methods for handling menus with icons,

merged "Use submenus for listing options in dropdown menu." #3905
thanks @alexrj
Adapted the "Use submenus" code to sort the menus in the same order
as they appear in the parameter tabs.

lib/Slic3r/GUI.pm

@@ -36,9 +36,8 @@ use Slic3r::GUI::Tab;
 our $have_OpenGL = eval "use Slic3r::GUI::3DScene; 1";
 our $have_LWP    = eval "use LWP::UserAgent; 1";
 
-use Wx 0.9901 qw(:bitmap :dialog :icon :id :misc :systemsettings :toplevelwindow
-    :filedialog :font);
-use Wx::Event qw(EVT_IDLE EVT_COMMAND);
+use Wx 0.9901 qw(:bitmap :dialog :icon :id :misc :systemsettings :toplevelwindow :filedialog :font);
+use Wx::Event qw(EVT_IDLE EVT_COMMAND EVT_MENU);
 use base 'Wx::App';
 
 use constant FILE_WILDCARDS => {
@@ -404,6 +403,39 @@ sub scan_serial_ports {
     return grep !/Bluetooth|FireFly/, @ports;
 }
 
+sub append_menu_item {
+    my ($self, $menu, $string, $description, $cb, $id, $icon, $kind) = @_;
+    
+    $id //= &Wx::NewId();
+    my $item = Wx::MenuItem->new($menu, $id, $string, $description // '', $kind // 0);
+    $self->set_menu_item_icon($item, $icon);
+    $menu->Append($item);
+    
+    EVT_MENU($self, $id, $cb);
+    return $item;
+}
+
+sub append_submenu {
+    my ($self, $menu, $string, $description, $submenu, $id, $icon) = @_;
+    
+    $id //= &Wx::NewId();
+    my $item = Wx::MenuItem->new($menu, $id, $string, $description // '');
+    $self->set_menu_item_icon($item, $icon);
+    $item->SetSubMenu($submenu);
+    $menu->Append($item);
+    
+    return $item;
+}
+
+sub set_menu_item_icon {
+    my ($self, $menuItem, $icon) = @_;
+    
+    # SetBitmap was not available on OS X before Wx 0.9927
+    if ($icon && $menuItem->can('SetBitmap')) {
+        $menuItem->SetBitmap(Wx::Bitmap->new($Slic3r::var->($icon), wxBITMAP_TYPE_PNG));
+    }
+}
+
 sub save_window_pos {
     my ($self, $window, $name) = @_;
     

lib/Slic3r/GUI/Plater/OverrideSettingsPanel.pm

@@ -16,6 +16,18 @@ use constant ICON_MATERIAL      => 0;
 use constant ICON_SOLIDMESH     => 1;
 use constant ICON_MODIFIERMESH  => 2;
 
+my %icons = (
+    'Advanced'              => 'wand.png',
+    'Extruders'             => 'funnel.png',
+    'Extrusion Width'       => 'funnel.png',
+    'Infill'                => 'infill.png',
+    'Layers and Perimeters' => 'layers.png',
+    'Skirt and brim'        => 'box.png',
+    'Speed'                 => 'time.png',
+    'Speed > Acceleration'  => 'time.png',
+    'Support material'      => 'building.png',
+);
+
 sub new {
     my $class = shift;
     my ($parent, %params) = @_;
@@ -39,14 +51,29 @@ sub new {
             wxDefaultPosition, wxDefaultSize, Wx::wxBORDER_NONE);
         EVT_LEFT_DOWN($btn, sub {
             my $menu = Wx::Menu->new;
+            # create category submenus
+            my %categories = ();  # category => submenu
             foreach my $opt_key (@{$self->{options}}) {
-                my $id = &Wx::NewId();
-                $menu->Append($id, $self->{option_labels}{$opt_key});
-                EVT_MENU($menu, $id, sub {
+                if (my $cat = $Slic3r::Config::Options->{$opt_key}{category}) {
+                    $categories{$cat} //= Wx::Menu->new;
+                }
+            }
+            # append submenus to main menu
+            my @categories = ('Layers and Perimeters', 'Infill', 'Support material', 'Speed', 'Extruders', 'Extrusion Width', 'Advanced');
+            #foreach my $cat (sort keys %categories) {
+            foreach my $cat (@categories) {
+                wxTheApp->append_submenu($menu, $cat, "", $categories{$cat}, undef, $icons{$cat});
+            }
+            # append options to submenus
+            foreach my $opt_key (@{$self->{options}}) {
+                my $cat = $Slic3r::Config::Options->{$opt_key}{category} or next;
+                my $cb = sub {
                     $self->{config}->set($opt_key, $self->{default_config}->get($opt_key));
                     $self->update_optgroup;
-                    $self->{on_change}->() if $self->{on_change};
-                });
+                    $self->{on_change}->($opt_key) if $self->{on_change};
+                };
+                wxTheApp->append_menu_item($categories{$cat}, $self->{option_labels}{$opt_key},
+                    $Slic3r::Config::Options->{$opt_key}{tooltip}, $cb);
             }
             $self->PopupMenu($menu, $btn->GetPosition);
             $menu->Destroy;
@@ -79,11 +106,8 @@ sub set_config {
 
 sub set_opt_keys {
     my ($self, $opt_keys) = @_;
-    
     # sort options by category+label
-    $self->{option_labels} = {
-        map { $_ => sprintf('%s > %s', $Slic3r::Config::Options->{$_}{category}, $Slic3r::Config::Options->{$_}{full_label} // $Slic3r::Config::Options->{$_}{label}) } @$opt_keys
-    };
+    $self->{option_labels} = { map { $_ => $Slic3r::Config::Options->{$_}{full_label} // $Slic3r::Config::Options->{$_}{label} } @$opt_keys };
     $self->{options} = [ sort { $self->{option_labels}{$a} cmp $self->{option_labels}{$b} } @$opt_keys ];
 }
 

xs/src/libslic3r/PrintConfig.cpp

@@ -1127,7 +1127,7 @@ PrintConfigDef::PrintConfigDef()
 
     def = this->add("seam_position", coEnum);
     def->label = "Seam position";
-    def->category = "Layers and perimeters";
+    def->category = "Layers and Perimeters";
     def->tooltip = "Position of perimeters starting points.";
     def->cli = "seam-position=s";
     def->enum_keys_map = ConfigOptionEnum<SeamPosition>::get_enum_values();