Permit sliding modifer meshes around in the Settings dialog.

lib/Slic3r/GUI/Plater/ObjectPartsPanel.pm

@@ -22,9 +22,19 @@ sub new {
     my $self = $class->SUPER::new($parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL);
     
     # C++ type Slic3r::ModelObject
-    $self->{model_object} = $params{model_object};
+    my $object = $self->{model_object} = $params{model_object};
-    # Not set, not used.
+
-    # $self->{print_object} = $params{print_object};
+    # Save state for sliders.
+    $self->{move_options} = {
+        x               => 0,
+        y               => 0,
+        z               => 0,
+    };
+    $self->{last_coords} = {
+        x               => 0,
+        y               => 0,
+        z               => 0,
+    };
     
     # create TreeCtrl
     my $tree = $self->{tree} = Wx::TreeCtrl->new($self, -1, wxDefaultPosition, [300, 100], 
@@ -64,12 +74,61 @@ sub new {
     $self->{settings_panel} = Slic3r::GUI::Plater::OverrideSettingsPanel->new($self, on_change => sub { $self->{part_settings_changed} = 1; });
     my $settings_sizer = Wx::StaticBoxSizer->new($self->{staticbox} = Wx::StaticBox->new($self, -1, "Part Settings"), wxVERTICAL);
     $settings_sizer->Add($self->{settings_panel}, 1, wxEXPAND | wxALL, 0);
+
+    my $optgroup;
+    $optgroup = $self->{optgroup} = Slic3r::GUI::OptionsGroup->new(
+        parent      => $self,
+        title       => 'Move',
+        on_change   => sub {
+            my ($opt_id) = @_;
+            # There seems to be an issue with wxWidgets 3.0.2/3.0.3, where the slider
+            # genates tens of events for a single value change.
+            # Only trigger the recalculation if the value changes
+            # or a live preview was activated and the mesh cut is not valid yet.
+            if ($self->{move_options}{$opt_id} != $optgroup->get_value($opt_id)) {
+                $self->{move_options}{$opt_id} = $optgroup->get_value($opt_id);
+                wxTheApp->CallAfter(sub {
+                    $self->_update;
+                });
+            }
+        },
+        label_width  => 20,
+    );
+    $optgroup->append_single_option_line(Slic3r::GUI::OptionsGroup::Option->new(
+        opt_id      => 'x',
+        type        => 'slider',
+        label       => 'X',
+        default     => 0,
+        min         => -($self->{model_object}->bounding_box->size->x)*4,
+        max         => $self->{model_object}->bounding_box->size->x*4,
+        full_width  => 1,
+    ));
+    $optgroup->append_single_option_line(Slic3r::GUI::OptionsGroup::Option->new(
+        opt_id      => 'y',
+        type        => 'slider',
+        label       => 'Y',
+        default     => 0,
+        min         => -($self->{model_object}->bounding_box->size->y)*4,
+        max         => $self->{model_object}->bounding_box->size->y*4,
+        full_width  => 1,
+    ));
+    $optgroup->append_single_option_line(Slic3r::GUI::OptionsGroup::Option->new(
+        opt_id      => 'z',
+        type        => 'slider',
+        label       => 'Z',
+        default     => 0,
+        min         => -($self->{model_object}->bounding_box->size->z)*4,
+        max         => $self->{model_object}->bounding_box->size->z*4,
+        full_width  => 1,
+    ));
+
     
     # left pane with tree
     my $left_sizer = Wx::BoxSizer->new(wxVERTICAL);
     $left_sizer->Add($tree, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 10);
     $left_sizer->Add($buttons_sizer, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 10);
     $left_sizer->Add($settings_sizer, 1, wxEXPAND | wxALL, 0);
+    $left_sizer->Add($optgroup->sizer, 0, wxEXPAND | wxBOTTOM | wxLEFT | wxRIGHT, 10);
     
     # right pane with preview canvas
     my $canvas;
@@ -181,6 +240,21 @@ sub selection_changed {
     $self->{btn_delete}->Disable;
     $self->{settings_panel}->disable;
     $self->{settings_panel}->set_config(undef);
+
+    # reset move sliders
+    $self->{optgroup}->set_value("x", 0);
+    $self->{optgroup}->set_value("y", 0);
+    $self->{optgroup}->set_value("z", 0);
+    $self->{move_options} = {
+        x               => 0,
+        y               => 0,
+        z               => 0,
+    };
+    $self->{last_coords} = {
+        x               => 0,
+        y               => 0,
+        z               => 0,
+    };
     
     if (my $itemData = $self->get_selection) {
         my ($config, @opt_keys);
@@ -256,17 +330,17 @@ sub on_btn_load {
 
 sub on_btn_delete {
     my ($self) = @_;
-    
+
     my $itemData = $self->get_selection;
     if ($itemData && $itemData->{type} eq 'volume') {
         my $volume = $self->{model_object}->volumes->[$itemData->{volume_id}];
-        
+
         # if user is deleting the last solid part, throw error
         if (!$volume->modifier && scalar(grep !$_->modifier, @{$self->{model_object}->volumes}) == 1) {
             Slic3r::GUI::show_error($self, "You can't delete the last solid part from this object.");
             return;
         }
-        
+
         $self->{model_object}->delete_volume($itemData->{volume_id});
         $self->{parts_changed} = 1;
     }
@@ -312,4 +386,26 @@ sub PartSettingsChanged {
     return $self->{part_settings_changed};
 }
 
+sub _update {
+    my ($self) = @_;
+    my ($m_x, $m_y, $m_z) = ($self->{move_options}{x}, $self->{move_options}{y}, $self->{move_options}{z});
+    my ($l_x, $l_y, $l_z) = ($self->{last_coords}{x}, $self->{last_coords}{y}, $self->{last_coords}{z});
+    
+    my $itemData = $self->get_selection;
+    if ($itemData && $itemData->{type} eq 'volume') {
+        my $d = Slic3r::Pointf3->new($m_x - $l_x, $m_y - $l_y, $m_z - $l_z);
+        my $volume = $self->{model_object}->volumes->[$itemData->{volume_id}];
+        $volume->mesh->translate(@{$d});
+        $self->{last_coords}{x} = $m_x;
+        $self->{last_coords}{y} = $m_y;
+        $self->{last_coords}{z} = $m_z;
+    }
+
+    my @objects = ();
+    push @objects, $self->{model_object};
+    $self->{canvas}->reset_objects;
+    $self->{canvas}->load_object($_, undef, [0]) for @objects;
+    $self->{canvas}->Render;
+}
+
 1;