Set drag icon

gpanthera.cc

@@ -296,6 +296,9 @@ namespace gPanthera {

                                
                                
                                
                            
                                
                                    
                                        
                                            296  
                                                    // Provide the drag data
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            297  
                                                    drag_source->signal_prepare().connect([this](double, double) {
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            298  
                                                        drag_source->set_actions(Gdk::DragAction::MOVE);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        299 +
                                                    auto const paintable = Gtk::WidgetPaintable::create();
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        300 +
                                                    paintable->set_widget(*this);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        301 +
                                                    drag_source->set_icon(paintable, 0, 0);
                                        
                                        
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            302  
                                                        return Gdk::ContentProvider::create(value);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            303  
                                                    }, false);
                                        
                                        
                                            
                                            
                                            
                                            
                                        
                                    
                                
                                
                                
                            
                                
                                    
                                        
                                            304  
                                                    // Pop out if dragged to an external location