source_panel 3434 src/filemanager/file.c panel_operate (void *source_panel, FileOperation operation, gboolean force_single) source_panel 3436 src/filemanager/file.c WPanel *panel = PANEL (source_panel); source_panel 55 src/filemanager/file.h gboolean panel_operate (void *source_panel, FileOperation op, gboolean force_single);