int main()
{
int res;
init();
res = min_cost_flow();
printf("%d\n", res);
return 0;
}
void
MainWindow::setupMenuBar()
{
QMenuBar *menubar = new QMenuBar(dynamic_cast<QWidget*>(this));
QWidget *qwmb = dynamic_cast<QWidget*>(menubar);
QMenu *file = new QMenu("File", qwmb);
QWidget *qwf = dynamic_cast<QWidget*>(file);
QAction *new_proj = new QAction("New model", qwf);
QAction *open_proj = new QAction("Open model...", qwf);
QAction *save_proj = new QAction("Save model", qwf);
QAction *export_graph = new QAction("Export graph to .svg", qwf);
QAction *quit = new QAction("Quit", qwf);
file->addAction(new_proj);
file->addAction(open_proj);
file->addAction(save_proj);
file->addAction(export_graph);
file->addSeparator();
file->addAction(quit);
QMenu *edit = new QMenu("Edit", qwmb);
QWidget *qedit = dynamic_cast<QWidget*>(edit);
QAction *add_node = new QAction("Add node",qedit);
QAction *remove_node = new QAction("Remove node",qedit);
QAction *add_edge = new QAction("Add edge",qedit);
QAction *remove_edge = new QAction("Remove edge",qedit);
edit->addAction(add_node);
edit->addAction(remove_node);
edit->addAction(add_edge);
edit->addAction(remove_edge);
QMenu *solve = new QMenu("Solve", qwmb);
QWidget *qsolve = dynamic_cast<QWidget*>(solve);
QAction *min_cost_flow = new QAction("Min cost flow",qsolve);
QAction *max_cost_flow = new QAction("Max cost flow",qsolve);
QAction *max_flow = new QAction("Max flow",qsolve);
QAction *cheapest_tree = new QAction("Cheapest tree", qsolve);
QAction *cheapest_path = new QAction("Cheapest path...",qsolve);
solve->addAction(min_cost_flow);
solve->addAction(max_cost_flow);
solve->addAction(max_flow);
solve->addAction(cheapest_tree);
solve->addAction(cheapest_path);
QMenu *help = new QMenu("Help", qwmb);
menubar->addMenu(file);
menubar->addMenu(edit);
menubar->addMenu(solve);
menubar->addMenu(help);
setMenuBar(menubar);
connect(quit, SIGNAL(triggered()), this, SLOT(close()));
connect(save_proj, SIGNAL(triggered()), this, SLOT(saveProj()));
connect(min_cost_flow, SIGNAL(triggered()), this, SLOT(min_cost_flow()));
connect(max_cost_flow, SIGNAL(triggered()), this, SLOT(max_cost_flow()));
connect(max_flow,SIGNAL(triggered()), this, SLOT(max_flow()));
connect(cheapest_tree, SIGNAL(triggered()), this, SLOT(cheapest_tree()));
connect(cheapest_path, SIGNAL(triggered()), this, SLOT(cheapest_path()));
return;
}
