/
mainwindow.cpp
165 lines (142 loc) · 4.24 KB
/
mainwindow.cpp
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#include "edge.h"
#include "node.h"
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QMessageBox>
#include <iostream>
#include <QFileDialog>
#include <QDebug>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
scene = new GraphScene(this);
scene->setSceneRect(QRectF(0, 0, 800, 400));
ui->graphicsView->setScene(scene);
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
connect(ui->nextStep,SIGNAL(clicked()),this,SLOT(on_actionNextstep()));
connect(ui->resetStep,SIGNAL(clicked()),this,SLOT(on_actionResetsteps()));
connect(ui->makeAllSteps,SIGNAL(clicked()),this,SLOT(on_actionMakeAllSteps()));
connect(ui->previousStep,SIGNAL(clicked()),this,SLOT(on_actionPreviousStep()));
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::setButtonUnchecked()
{
ui->actionCursor->setChecked(false);
ui->actionDelete->setChecked(false);
ui->actionNewEdge->setChecked(false);
ui->actionNewNode->setChecked(false);
}
void MainWindow::on_actionNewNode_triggered()
{
setButtonUnchecked();
ui->actionNewNode->setChecked(true);
scene->setCursorMode(GraphScene::InsertNode);
QCursor myCursor(QPixmap(":images/node.png"));
ui->graphicsView->setCursor(myCursor);
}
void MainWindow::on_actionNewEdge_triggered()
{
setButtonUnchecked();
ui->actionNewEdge->setChecked(true);
scene->setCursorMode(GraphScene::InsertEdge);
QCursor myCursor(QPixmap(":images/linepointer.png"));
ui->graphicsView->setCursor(myCursor);
}
void MainWindow::on_actionCursor_triggered()
{
setButtonUnchecked();
ui->actionCursor->setChecked(true);
scene->setCursorMode(GraphScene::MoveItem);
ui->graphicsView->setCursor(Qt::ArrowCursor);
}
void MainWindow::on_actionDelete_triggered()
{
setButtonUnchecked();
ui->actionDelete->setChecked(true);
scene->setCursorMode(GraphScene::DeleteItem);
QCursor myCursor(QPixmap(":images/delete.png"));
ui->graphicsView->setCursor(myCursor);
}
void MainWindow::on_actionO_programu_triggered()
{
QMessageBox::about(this, tr("About Dinitz's algorithm demo"),
tr("Dinicův algoritmus - demostrační aplikace\n"
"VUTBR Grafové algoritmy\n\n"
"Petr Svoboda\n"
"Martin Matoušek"));
}
void MainWindow::on_actionStart_triggered()
{
scene->setStart();
}
void MainWindow::on_actionCil_triggered()
{
scene->setEnd();
}
void MainWindow::on_actionNextstep()
{
scene->updateStructures();
scene->pushStepOnStack();
scene->makeStep();
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
}
void MainWindow::on_actionResetsteps()
{
scene->resetSteps();
scene->maxflow = 0;
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
}
void MainWindow::on_actionMakeAllSteps()
{
scene->updateStructures();
std::cout << scene->maxFlow() << std::endl;
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
}
void MainWindow::on_actionPreviousStep()
{
scene->popStepFromStack();
scene->update();
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
}
void MainWindow::on_actionNewGraph_triggered()
{
QList<QGraphicsItem*> allGraphicsItems = scene->items();
for(int i = 0; i < allGraphicsItems.size(); i++)
{
QGraphicsItem *graphicItem = allGraphicsItems[i];
scene->removeItem(graphicItem);
delete graphicItem;
scene->update();
}
delete scene;
scene = new GraphScene(this);
scene->setSceneRect(QRectF(0, 0, 800, 400));
ui->graphicsView->setScene(scene);
ui->max_flow->setText(QString("%1").arg(scene->maxflow));
}
void MainWindow::on_actionOpenFile_triggered()
{
QFileDialog openFile;
QString file = openFile.getOpenFileName(this, tr("Otevřít soubor"), "", tr("*.gml"));
if(file != "")
{
on_actionNewGraph_triggered();
scene->createGraph(file);
}
}
void MainWindow::on_actionSaveFile_triggered()
{
QFileDialog saceFile;
QString file = saceFile.getSaveFileName(this, tr("Uložit soubor"), "", tr("*.gml"));
if(file != "")
{
if(file.right(4) != ".gml")
file.append(".gml");
scene->saveGraph(file);
}
}