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GraphBox.cpp
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#include <cmath>
#include <iostream>
#include <unordered_set>
#include <thread>
#include <tchar.h>
#include "GraphBox.h"
#include "Single.h"
#include "FileManager.h"
#include "helper/ViewHelper.h"
#include "rendering/Renderer.h"
#include "PhysicsEngine.h"
int launch(std::string filepath) {
Single& single = Single::instance();
sf::RenderWindow& window = single.window;
window.setKeyRepeatEnabled(false);
// Event needed for window to work
sf::Event event{};
sf::Cursor cursor;
InputHelper& inputs = InputHelper::instance();
bool defaultCursor = true;
bool offsetSet = false;
bool startDrag = false;
std::string prevLabel;
sf::Vector2f offset;
sf::Vector2f dragPos;
Node* draggedNode = nullptr;
Node* lastClicked = nullptr;
int timesNodeClicked = 0;
Renderer render;
if (!filepath.empty())
FileManager::load(filepath);
// For loop to keep window open
while (window.isOpen())
{
// Draw spriteHidden
window.clear(sf::Color(255,255,255));
window.setView(single.defaultView);
inputs.registerEvents();
// Render
render();
if (single.mode["force"])
single.physicsEngine.update();
if (inputs.didMultiPress(sf::Mouse::Left) && timesNodeClicked >= 2) {
Node* node = single.state->nodeAt(sf::Mouse::getPosition(single.window));
if (node != nullptr && node == lastClicked) {
single.state->selectNode(node);
single.mode["type"] = true;
prevLabel = node->label;
offsetSet = false;
}
}
// Screen dragging
if (startDrag) {
if (inputs.isPressed(sf::Mouse::Middle) || inputs.isPressed(sf::Mouse::Left)) {
auto tempPos = sf::Mouse::getPosition(single.window);
auto nPos = single.window.mapPixelToCoords(tempPos);
single.defaultView.move(dragPos - nPos);
single.window.setView(single.defaultView);
nPos = single.window.mapPixelToCoords(tempPos);
dragPos = nPos;
}
else {
startDrag = false;
}
}
if (inputs.isPressed(sf::Mouse::Left) && draggedNode != nullptr) {
auto mousePos = sf::Mouse::getPosition(single.window);
if (!offsetSet) {
auto loMouse = single.window.mapPixelToCoords(mousePos);
offset = sf::Vector2f(loMouse.x - draggedNode->x, loMouse.y - draggedNode->y);
offsetSet = true;
}
onMouseHeld(offset, draggedNode);
draggedNode->velocity = sf::Vector2f(0, 0);
}
else {
offsetSet = false;
draggedNode = nullptr;
}
// draw method
window.display();
// Movement and zooming
registerMovement();
if (ViewHelper::cursorOverClickable()) {
cursor.loadFromSystem(sf::Cursor::Hand);
window.setMouseCursor(cursor);
defaultCursor = false;
}
else if (!ViewHelper::cursorOverClickable() && !defaultCursor) {
cursor.loadFromSystem(sf::Cursor::Arrow);
window.setMouseCursor(cursor);
defaultCursor = true;
}
// Close window if the close event was triggered
if (window.pollEvent(event)) {
// Close window event
if (event.type == sf::Event::Closed)
window.close();
// Mouse clicked event
else if (event.type == sf::Event::MouseButtonPressed) {
if (single.window.getViewport(single.defaultView).contains(sf::Vector2<int>(event.mouseButton.x, event.mouseButton.y)) &&
!(single.window.getViewport(single.opView).contains(sf::Vector2<int>(event.mouseButton.x, event.mouseButton.y)) && single.mode["opt"])) {
if (!single.mode["type"]) {
if (event.mouseButton.button == sf::Mouse::Left) {
if (single.mode.mainMode == ModeHandler::Mode::Edit) {
if (ViewHelper::cursorOverClickable()) {
auto button = event.mouseButton;
draggedNode = single.state->nodeAt(sf::Mouse::getPosition(single.window));
inputs.queueReleaseEvent(sf::Mouse::Left, [button, &single, &inputs, &lastClicked, ×NodeClicked]() {
if (!inputs.hasMouseMovedSince(inputs.pressedAt(sf::Mouse::Left))) {
Node* pastNode = single.state->nodeAt(button);
Node* node = single.state->nodeAt(sf::Mouse::getPosition(single.window));
if (pastNode == node) {
single.state->toggleNode(node);
if (lastClicked != node)
timesNodeClicked = 0;
lastClicked = node;
timesNodeClicked++;
}
}
});
}
else {
inputs.queueReleaseEvent(sf::Mouse::Left, [&single, &inputs, &lastClicked, ×NodeClicked]() {
auto globalMousePos = sf::Mouse::getPosition(single.window);
if (!inputs.hasMouseMovedSince(inputs.pressedAt(sf::Mouse::Left)) || !inputs.wasHeldLong(sf::Mouse::Left)) {
single.state->createNode(single.window.mapPixelToCoords(globalMousePos));
lastClicked = nullptr;
timesNodeClicked = 0;
}
});
inputs.queueHeldLongEvent(sf::Mouse::Left, [&single, &startDrag, &dragPos]() {
auto globalMousePos = sf::Mouse::getPosition(single.window);
if (!startDrag) {
startDrag = true;
dragPos = single.window.mapPixelToCoords(
sf::Vector2i(globalMousePos.x, globalMousePos.y));
}
});
}
}
else if (single.mode.mainMode == ModeHandler::Mode::Connect) {
if (single.state->wouldSelect(event.mouseButton)) {
if (!single.state->isNodeSelected()) {
Node *node = single.state->nodeAt(event.mouseButton);
single.state->toggleNode(node);
} else {
bool passed = single.state->addConnection(
single.state->nodeAt(event.mouseButton));
if (!passed) {
single.state->removeConnection(single.state->nodeAt(event.mouseButton));
if (!single.mode["directed"])
single.state->removeConnection(single.state->getSelectedNode(),
single.state->nodeAt(
event.mouseButton));
}
single.state->deselectNode();
}
}
}
} else if (event.mouseButton.button == sf::Mouse::Right) {
if (single.mode.mainMode == ModeHandler::Mode::Edit) {
Node* del = single.state->nodeAt(event.mouseButton);
if (draggedNode == del)
draggedNode = nullptr;
single.state->deleteNode(del);
} else if (single.mode.mainMode == ModeHandler::Mode::Connect) {
if (single.state->isNodeSelected())
single.state->deselectNode();
}
} else if (event.mouseButton.button == sf::Mouse::Middle) {
if (!startDrag) {
startDrag = true;
dragPos = single.window.mapPixelToCoords(
sf::Vector2i(event.mouseButton.x, event.mouseButton.y));
}
}
}
}
else if (single.window.getViewport(single.toolView).contains(sf::Vector2<int>(event.mouseButton.x, event.mouseButton.y))) {
std::string button = ViewHelper::getToolboxButtonAtPoint(
sf::Vector2i(event.mouseButton.x, event.mouseButton.y));
if (button == "Connect")
single.mode.mainToggle();
else if (button == "Directed")
single.mode.toggle("directed");
else if (button == "Force") {
single.mode.toggle("force");
if (!single.mode["force"])
PhysicsEngine::freezeAll();
}
else if (button == "Adjacency")
single.mode.toggle("adj");
else if (button == "Print") {
if (single.fileName.empty())
FileManager::saveDialog();
if (!single.fileName.empty())
print();
}
else if (button == "New")
single.state->reset();
else if (button == "Save As")
FileManager::saveDialog();
else if (button == "Load")
FileManager::loadDialog();
else if (button == "Save") {
if (single.fileName.empty())
FileManager::saveDialog();
else
FileManager::save(single.fileName);
}
else if (button == "Options") {
single.mode.toggle("opt");
}
}
}
else if (event.type == sf::Event::KeyPressed) {
if (!single.mode["type"] && !inputs.isCtrlPressed()) {
if (event.key.code == sf::Keyboard::C)
single.mode.mainToggle();
else if (event.key.code == sf::Keyboard::D)
single.mode.toggle("directed");
else if (event.key.code == sf::Keyboard::F) {
single.mode.toggle("force");
if (!single.mode["force"])
PhysicsEngine::freezeAll();
}
else if (event.key.code == sf::Keyboard::I) {
if (single.mode["force"]) {
single.mode.toggle("inv");
}
}
else if (event.key.code == sf::Keyboard::E)
single.mode.mainMode = ModeHandler::Mode::Edit;
else if (event.key.code == sf::Keyboard::A)
single.mode.toggle("adj");
else if (event.key.code == sf::Keyboard::P)
print();
else if (event.key.code == sf::Keyboard::Space) {
Node* node = single.state->getSelectedNode();
if (node != nullptr)
node->locked = !node->locked;
}
else if (event.key.code == sf::Keyboard::O) {
single.mode.toggle("opt");
}
else if (event.key.code == sf::Keyboard::Escape && single.mode["opt"]) {
single.mode["opt"] = false;
}
}
}
else if (event.type == sf::Event::TextEntered) {
if (single.mode["type"] && !inputs.isCtrlPressed()) {
int code = event.text.unicode;
Node *node = single.state->getSelectedNode();
std::string label = node->label;
if (code != 27) {
if (code == 8) {
if (!label.empty())
label = label.substr(0, label.size() - 1);
} else if (code != 13)
label += (char) code;
single.mode["error"] = false;
if (code == 13) {
if (single.state->isLabelTaken(label, node) || label.empty()) {
single.mode["error"] = true;
}
else
single.mode["type"] = false;
}
node->label = label;
}
else {
node->label = prevLabel;
single.mode["error"] = false;
single.mode["type"] = false;
}
}
}
else if (event.type == sf::Event::MouseWheelScrolled) {
sf::Vector2i mousePos(event.mouseWheelScroll.x, event.mouseWheelScroll.y);
auto conv = sf::Vector2i(mousePos.x, mousePos.y);
auto prevCoord = single.window.mapPixelToCoords(conv);
single.defaultView.zoom(1.0f/std::pow(single.ZOOM_SPEED*single.WHEEL_SENS, event.mouseWheelScroll.delta));
single.window.setView(single.defaultView);
auto postCoord = single.window.mapPixelToCoords(conv);
single.defaultView.move(prevCoord - postCoord);
}
else if(event.type == sf::Event::GainedFocus)
single.focused = true;
else if(event.type == sf::Event::LostFocus)
single.focused = false;
}
}
return 0;
}
void onMouseHeld(sf::Vector2f offset, Node* node) {
Single& single = Single::instance();
if (sf::Mouse::isButtonPressed(sf::Mouse::Left)) {
auto pos = single.window.mapPixelToCoords(sf::Mouse::getPosition(single.window));
single.state->changeNodePositionLocally(node, pos - offset);
}
}
void print() {
Single& single = Single::instance();
std::string list;
auto nodes = single.state->getNodes();
if (!single.indexOrdering) {
auto doQuote = [](const std::string &str) {
for (auto c: str) {
if (isspace(c))
return "\"" + str + "\"";
}
return str;
};
if (single.mode["directed"]) {
std::vector<std::pair<std::string, std::string>> combo;
bool dup;
for (auto &node: nodes) {
for (Node *n: node->connections)
combo.emplace_back(node->label, n->label);
}
for (Node *n: nodes) {
if (n->connections.empty()) {
dup = false;
for (const std::pair<std::string, std::string> &p: combo)
if (p.first == n->label || p.second == n->label) dup = true;
if (!dup)
list += doQuote(n->label) + "\n";
}
}
for (const auto &p: combo)
list += doQuote(p.first) + " " + doQuote(p.second) + "\n";
} else {
auto cmp = [](std::pair<std::string, std::string> a, std::pair<std::string, std::string> b) {
return (a.first == b.first && a.second == b.second) || (a.first == b.second && a.second == b.first);
};
std::vector<std::pair<std::string, std::string>> combo;
bool dup;
for (auto &node: nodes) {
for (Node *n: node->connections) {
std::pair<std::string, std::string> a1(node->label, n->label);
dup = false;
for (const std::pair<std::string, std::string> &p: combo)
if (cmp(p, a1)) dup = true;
if (!dup)
combo.push_back(a1);
}
}
for (Node *n: nodes) {
if (n->connections.empty()) {
dup = false;
for (const std::pair<std::string, std::string> &p: combo)
if (p.first == n->label || p.second == n->label) dup = true;
if (!dup)
list += doQuote(n->label) + "\n";
}
}
for (const auto &p: combo)
list += doQuote(p.first) + " " + doQuote(p.second) + "\n";
}
}
else {
auto cmp = [](std::pair<Node*, Node*> a, std::pair<Node*, Node*> b) {
return (a.first == b.first && a.second == b.second) || (a.first == b.second && a.second == b.first);
};
std::vector<std::pair<Node*, Node*>> combo;
if (single.mode["directed"]) {
bool dup;
for (auto &node: nodes) {
for (Node *n: node->connections)
combo.emplace_back(node, n);
}
for (Node *n: nodes) {
if (n->connections.empty()) {
dup = false;
for (auto &p: combo)
if (p.first == n || p.second == n) dup = true;
if (!dup)
list += std::to_string(single.state->getNodeIndex(n)) + "\n";
}
}
for (const auto &p: combo)
list += "(" + std::to_string(single.state->getNodeIndex(p.first)) + "," +
std::to_string(single.state->getNodeIndex(p.second)) + ")\n";
}
else {
bool dup;
for (auto &node: nodes) {
for (Node *n: node->connections) {
std::pair<Node*, Node*> a1(node, n);
dup = false;
for (const auto &p: combo)
if (cmp(p, a1)) dup = true;
if (!dup)
combo.push_back(a1);
}
}
for (Node *n: nodes) {
if (n->connections.empty()) {
dup = false;
for (const auto &p: combo)
if (p.first == n || p.second == n) dup = true;
if (!dup)
list += std::to_string(single.state->getNodeIndex(n)) + "\n";
}
}
for (const auto &p: combo)
list += "(" + std::to_string(single.state->getNodeIndex(p.first)) + "," +
std::to_string(single.state->getNodeIndex(p.second)) + ")\n";
}
}
std::string wExt = single.fileName.substr(single.fileName.find_last_of('\\')+1);
auto fileNames = single.OUTPUT_FILE + wExt.substr(0, wExt.size()-6) + ((single.mode["directed"]) ? "_Directed" : "") + ".txt";
std::ofstream out(fileNames);
if (!out.is_open())
std::cout << "Unable to create print file";
out << list;
out.close();
}
void registerMovement() {
Single& single = Single::instance();
InputHelper& inputs = InputHelper::instance();
if (!single.mode["type"]) {
if (inputs.isPressed(sf::Keyboard::Left)) {
single.defaultView.move(-single.MOVE_SPEED, 0);
}
if (inputs.isPressed(sf::Keyboard::Right)) {
single.defaultView.move(single.MOVE_SPEED, 0);
}
if (inputs.isPressed(sf::Keyboard::Up)) {
single.defaultView.move(0, -single.MOVE_SPEED);
}
if (inputs.isPressed(sf::Keyboard::Down)) {
single.defaultView.move(0, single.MOVE_SPEED);
}
}
if (inputs.isCtrlPressed() && single.focused) {
if (inputs.isPressed(sf::Keyboard::C)) {
if (single.state->isNodeSelected()) {
sf::Clipboard::setString(single.state->getSelectedNode()->label);
}
}
if (inputs.isPressed(sf::Keyboard::V)) {
if (single.state->isNodeSelected()) {
single.state->getSelectedNode()->label = sf::Clipboard::getString();
}
}
if (inputs.isPressed(sf::Keyboard::S)) {
if (single.fileName.empty())
FileManager::saveDialog();
else
FileManager::save(single.fileName);
}
}
else if (!single.mode["type"]) {
if (inputs.isPressed(sf::Keyboard::Equal)) {
single.defaultView.zoom(1.0f/single.ZOOM_SPEED);
}
if (inputs.isPressed(sf::Keyboard::Hyphen)) {
single.defaultView.zoom(single.ZOOM_SPEED);
}
}
}
int CALLBACK WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow
) {
std::string filepath(lpCmdLine);
if (!filepath.empty())
filepath = filepath.substr(1, filepath.length()-2);
return launch(filepath);
}