Added perl callback for gizmo flatten

lib/Slic3r/GUI/Plater.pm

@@ -153,16 +153,15 @@ sub new {
     };
     
     # callback to react to gizmo rotate
-    # omitting last three parameters means rotation around Z
-    # otherwise they are the components of the rotation axis vector
     my $on_gizmo_rotate = sub {
+        my ($angle) = @_;
+        $self->rotate(rad2deg($angle), Z, 'absolute');
+    };
+    
+    # callback to react to gizmo flatten
+    my $on_gizmo_flatten = sub {
         my ($angle, $axis_x, $axis_y, $axis_z) = @_;
-        if (!defined $axis_x) {
+        $self->rotate(rad2deg($angle), undef, 'absolute', $axis_x, $axis_y, $axis_z) if $angle != 0;
-            $self->rotate(rad2deg($angle), Z, 'absolute');
-        }
-        else {
-            $self->rotate(rad2deg($angle), undef, 'absolute', $axis_x, $axis_y, $axis_z) if $angle != 0;
-        }
     };
 
     # callback to update object's geometry info while using gizmos
@@ -263,6 +262,7 @@ sub new {
         Slic3r::GUI::_3DScene::register_on_enable_action_buttons_callback($self->{canvas3D}, $enable_action_buttons);
         Slic3r::GUI::_3DScene::register_on_gizmo_scale_uniformly_callback($self->{canvas3D}, $on_gizmo_scale_uniformly);
         Slic3r::GUI::_3DScene::register_on_gizmo_rotate_callback($self->{canvas3D}, $on_gizmo_rotate);
+        Slic3r::GUI::_3DScene::register_on_gizmo_flatten_callback($self->{canvas3D}, $on_gizmo_flatten);
         Slic3r::GUI::_3DScene::register_on_update_geometry_info_callback($self->{canvas3D}, $on_update_geometry_info);
         Slic3r::GUI::_3DScene::register_action_add_callback($self->{canvas3D}, $on_action_add);
         Slic3r::GUI::_3DScene::register_action_delete_callback($self->{canvas3D}, $on_action_delete);

xs/src/slic3r/GUI/3DScene.cpp

@@ -2044,6 +2044,11 @@ void _3DScene::register_on_gizmo_rotate_callback(wxGLCanvas* canvas, void* callb
     s_canvas_mgr.register_on_gizmo_rotate_callback(canvas, callback);
 }
 
+void _3DScene::register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback)
+{
+    s_canvas_mgr.register_on_gizmo_flatten_callback(canvas, callback);
+}
+
 void _3DScene::register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback)
 {
     s_canvas_mgr.register_on_update_geometry_info_callback(canvas, callback);

xs/src/slic3r/GUI/3DScene.hpp

@@ -556,6 +556,7 @@ public:
     static void register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_gizmo_scale_uniformly_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_gizmo_rotate_callback(wxGLCanvas* canvas, void* callback);
+    static void register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback);
     static void register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback);
 
     static void register_action_add_callback(wxGLCanvas* canvas, void* callback);

xs/src/slic3r/GUI/GLCanvas3D.cpp

@@ -2699,6 +2699,12 @@ void GLCanvas3D::register_on_gizmo_rotate_callback(void* callback)
         m_on_gizmo_rotate_callback.register_callback(callback);
 }
 
+void GLCanvas3D::register_on_gizmo_flatten_callback(void* callback)
+{
+    if (callback != nullptr)
+        m_on_gizmo_flatten_callback.register_callback(callback);
+}
+
 void GLCanvas3D::register_on_update_geometry_info_callback(void* callback)
 {
     if (callback != nullptr)
@@ -3016,7 +3022,7 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
                 if (normal(0) != 0.0 || normal(1) != 0.0 || normal(2) != 0.0) {
                     Vec3d axis = normal(2) > 0.999 ? Vec3d::UnitX() : normal.cross(-Vec3d::UnitZ()).normalized();
                     float angle = acos(clamp(-1.0, 1.0, -normal(2)));
-                    m_on_gizmo_rotate_callback.call(angle, (float)axis(0), (float)axis(1), (float)axis(2));
+                    m_on_gizmo_flatten_callback.call(angle, (float)axis(0), (float)axis(1), (float)axis(2));
                 }
             }
 
@@ -3759,6 +3765,7 @@ void GLCanvas3D::_deregister_callbacks()
     m_on_enable_action_buttons_callback.deregister_callback();
     m_on_gizmo_scale_uniformly_callback.deregister_callback();
     m_on_gizmo_rotate_callback.deregister_callback();
+    m_on_gizmo_flatten_callback.deregister_callback();
     m_on_update_geometry_info_callback.deregister_callback();
 
     m_action_add_callback.deregister_callback();

xs/src/slic3r/GUI/GLCanvas3D.hpp

@@ -501,6 +501,7 @@ private:
     PerlCallback m_on_enable_action_buttons_callback;
     PerlCallback m_on_gizmo_scale_uniformly_callback;
     PerlCallback m_on_gizmo_rotate_callback;
+    PerlCallback m_on_gizmo_flatten_callback;
     PerlCallback m_on_update_geometry_info_callback;
 
     PerlCallback m_action_add_callback;
@@ -623,6 +624,7 @@ public:
     void register_on_enable_action_buttons_callback(void* callback);
     void register_on_gizmo_scale_uniformly_callback(void* callback);
     void register_on_gizmo_rotate_callback(void* callback);
+    void register_on_gizmo_flatten_callback(void* callback);
     void register_on_update_geometry_info_callback(void* callback);
 
     void register_action_add_callback(void* callback);

xs/src/slic3r/GUI/GLCanvas3DManager.cpp

@@ -700,6 +700,13 @@ void GLCanvas3DManager::register_on_gizmo_rotate_callback(wxGLCanvas* canvas, vo
         it->second->register_on_gizmo_rotate_callback(callback);
 }
 
+void GLCanvas3DManager::register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback)
+{
+    CanvasesMap::iterator it = _get_canvas(canvas);
+    if (it != m_canvases.end())
+        it->second->register_on_gizmo_flatten_callback(callback);
+}
+
 void GLCanvas3DManager::register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback)
 {
     CanvasesMap::iterator it = _get_canvas(canvas);

xs/src/slic3r/GUI/GLCanvas3DManager.hpp

@@ -163,6 +163,7 @@ public:
     void register_on_enable_action_buttons_callback(wxGLCanvas* canvas, void* callback);
     void register_on_gizmo_scale_uniformly_callback(wxGLCanvas* canvas, void* callback);
     void register_on_gizmo_rotate_callback(wxGLCanvas* canvas, void* callback);
+    void register_on_gizmo_flatten_callback(wxGLCanvas* canvas, void* callback);
     void register_on_update_geometry_info_callback(wxGLCanvas* canvas, void* callback);
 
     void register_action_add_callback(wxGLCanvas* canvas, void* callback);

xs/xsp/GUI_3DScene.xsp

@@ -651,6 +651,13 @@ register_on_gizmo_rotate_callback(canvas, callback)
     CODE:
         _3DScene::register_on_gizmo_rotate_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
 
+void
+register_on_gizmo_flatten_callback(canvas, callback)
+        SV *canvas;
+        SV *callback;
+    CODE:
+        _3DScene::register_on_gizmo_flatten_callback((wxGLCanvas*)wxPli_sv_2_object(aTHX_ canvas, "Wx::GLCanvas"), (void*)callback);
+
 void
 register_on_update_geometry_info_callback(canvas, callback)
         SV *canvas;