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mainwindow.cpp
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mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QShortcut>
#include <QColorDialog>
#include "Algorithms.h"
#include <vector>
#include <sstream>
QColor randomColor(){
return QColor(
QRandomGenerator64::global()->generate64() % 236 + 20,
QRandomGenerator64::global()->generate64() % 236 + 20,
QRandomGenerator64::global()->generate64() % 236 + 20);
}
MainWindow::MainWindow(GraphView *pView, GraphModel* model, QWidget *parent)
: QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
setWindowTitle("Курсовая работа №8");
ui->tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
ui->tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
ui->tableView->setMaximumSize(700, 600);
graphView = pView;
graphModel = model;
for (int i = 0; i < DEFAULT_NODES; ++i) {
graphView->colors->push_back(randomColor());
}
syncColors();
ui->tableView->setModel(graphModel);
delete centralWidget()->layout()->replaceWidget(ui->graphOpenGLWidget, graphView);
delete ui->graphOpenGLWidget;
connect(graphModel, SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&, const QVector<int> &)),
this, SLOT(syncColors())); // reload image when data changed
// spins for counting
connect(ui->countEdges, SIGNAL(valueChanged(int)), this, SLOT(changedEdges(int)));
connect(ui->countNodes, SIGNAL(valueChanged(int)), this, SLOT(changedNodes(int)));
connect(ui->startButton, SIGNAL(clicked()), this, SLOT(startAlgorithm()));
// spins for colour
connect(ui->spinBox, SIGNAL(valueChanged(int)), this, SLOT(changedColors(int)));
// change color
connect(ui->toolButton, &QToolButton::clicked, this, &MainWindow::changeColor);
auto s1 = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_R), this);
s1->setEnabled(true);
connect(s1, &QShortcut::activated, this, &MainWindow::startAlgorithm);
}
void MainWindow::startAlgorithm() {
ui->outputTextBrowser->clear();
ui->outputTextBrowser->append("Starting algorithm");
Graph *graph = Algorithms::hypergraph_to_usual(graphModel->graph);
auto iicolors = Algorithms::get_colors(graph);
delete graph;
graphView->started = false;
checkColors(iicolors);
std::stringstream ss;
for(auto &col: color2nodes.keys()){
ss << "color: " << col << " {";
for (int i = 0; i < color2nodes[col].size(); ++i) {
if(graphView->colors->size() > i) {
if(!colors.contains(col)){
continue;
}
ss << color2nodes[col][i]+1 << ' ';
}
}
ss << " }" <<std::endl;
}
ss << "Done!";
std::string text = ss.str();
ui->outputTextBrowser->append(QString(text.c_str()));
}
void MainWindow::changedEdges(int count) {
graphModel->rebuildModel(count, -1);
}
void MainWindow::changedNodes(int count) {
graphModel->rebuildModel(-1, count);
}
void MainWindow::checkColors(const QVector<int_fast64_t> &icolors) {
color2nodes.clear();
for (int i = 0; i < icolors.size(); ++i) {
if(!color2nodes.count(icolors[i])) {
color2nodes[icolors[i]] = QVector<int_fast64_t>();
}
color2nodes[icolors[i]].push_back(i);
}
syncColors();
}
void MainWindow::changedColors(int value) {
if(!colors.contains(value)){
colors[value] = randomColor();
}
QPixmap pix(100, 100);
pix.fill(colors[value]);
ui->toolButton->setIcon(QIcon(pix));
color_index = value;
}
void MainWindow::changeColor() {
auto col = QColorDialog::getColor(colors[color_index], this, QString("Color for %1 nodes group").arg(color_index+1));
if(!col.isValid()){
return;
}
colors[color_index] = col;
syncColors();
}
void MainWindow::syncColors() {
graphView->colors->clear();
int_fast64_t nodes = graphModel->columnCount(QModelIndex());
graphView->colors->resize(nodes);
for(auto &col: color2nodes.keys()){
for (int i = 0; i < color2nodes[col].size(); ++i) {
if(graphView->colors->size() > i) {
if(!colors.contains(col)){
colors[col] = randomColor();
}
(*graphView->colors)[color2nodes[col][i]] = colors[col];
}
}
}
this->changedColors(color_index);
graphView->updateImage();
}