Fix dropping tabs at the end

gpanthera.cc

@@ -627,7 +627,10 @@ namespace gPanthera {

                                
                                
                                
                            
                                
                                    
                                        
                                            627  
                                                    drop_target->signal_drop().connect([this](const Glib::ValueBase &value, double x, double y) {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            628  
                                                        if(const auto &widget = static_cast<const Glib::Value<ContentPage*>&>(value).get()) {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            629  
                                                            if(auto page = dynamic_cast<ContentPage*>(widget)) {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        630 -
                                                            this->stack->add_page(*page);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        630 +
                                                            if(page->get_parent() == this->stack) {
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        631 +
                                                                this->stack->remove(*page);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        632 +
                                                            }
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        633 +
                                                            this->stack->add(*page);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            634  
                                                            }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            635  
                                                        }
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            636