Hide dragged button

gpanthera.cc

@@ -304,9 +304,12 @@ namespace gPanthera {

                                
                                
                                
                            
                                
                                    
                                        
                                            304  
                                                        drag_source->set_actions(Gdk::DragAction::MOVE);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            305  
                                                        auto const paintable = Gtk::WidgetPaintable::create();
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            306  
                                                        paintable->set_widget(*this);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        307 -
                                                    drag_source->set_icon(paintable, 0, 0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        307 +
                                                    drag_source->set_icon(paintable->get_current_image(), 0, 0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            308  
                                                        return Gdk::ContentProvider::create(value);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            309  
                                                    }, false);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        310 +
                                                drag_source->signal_drag_begin().connect([this](const Glib::RefPtr<Gdk::Drag>&) {
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        311 +
                                                    this->set_opacity(0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        312 +
                                                }, false);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            313  
                                                    // Pop out if dragged to an external location
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            314  
                                                    drag_source->signal_drag_cancel().connect([this](const Glib::RefPtr<Gdk::Drag>&, Gdk::DragCancelReason reason) {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            315  
                                                        if(reason == Gdk::DragCancelReason::NO_TARGET) {