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widget.cpp
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widget.cpp
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#include "widget.h"
#include "shaderprogram.h"
Widget::Widget(QWidget *parent)
: QWidget(parent) {
resize(qApp->desktop()->size() / 2);
setMinimumSize(qApp->desktop()->size() / 4);
move(qApp->desktop()->rect().center() - rect().center());
renderer = Renderer::instance();
connect(this, &Widget::resizeViewport, renderer, &Renderer::resizeViewport);
connect(renderer, &Renderer::updatePixmap, this, &Widget::updatePixmap);
renderer->setFlatMode();
defaults();
static const double consoleOpacity = 0.8;
console = new Console(this);
console->setBaseColor(QColor(40, 40, 40, 255 * consoleOpacity));
console->setTextColor(QColor(230, 230, 230, 255 * consoleOpacity));
console->setPrompt("$ ");
consoleParser = new ConsoleParser(console);
consoleVisible = false;
setFocus();
setMouseTracking(true);
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), SLOT(update()));
connect(this, SIGNAL(destroyed()), timer, SLOT(deleteLater()));
timer->start(16);
QThread *thread = new QThread;
connect(thread, SIGNAL(finished()), SLOT(deleteLater()));
connect(thread, SIGNAL(finished()), thread, SLOT(deleteLater()));
connect(thread, SIGNAL(finished()), renderer, SLOT(deleteLater()));
connect(thread, SIGNAL(started()), renderer, SLOT(start()));
renderer->moveToThread(thread);
thread->start();
}
Widget::~Widget() {
delete console;
delete consoleParser;
}
void Widget::resizeEvent(QResizeEvent *) {
resizeConsole();
emit resizeViewport(size());
}
void Widget::keyPressEvent(QKeyEvent *e) {
switch (e->key()) {
case Qt::Key_F11:
isFullScreen() ? showNormal() : showFullScreen();
break;
case Qt::Key_Escape:
if (consoleVisible)
toggleConsole();
else
isFullScreen() ? showNormal() : (void)close();
break;
case Qt::Key_AsciiTilde:
case Qt::Key_QuoteLeft:
toggleConsole();
break;
}
}
void Widget::keyReleaseEvent(QKeyEvent *e) {
if (consoleVisible)
return;
switch (e->key()) {
case Qt::Key_Q:
if (samples > 1)
renderer->setSamples(--samples);
break;
case Qt::Key_W:
renderer->setSamples(++samples);
break;
case Qt::Key_Backspace:
defaults();
break;
case Qt::Key_Return:
const static char *imagesDirName = "images";
QDir dir;
if (!dir.exists(imagesDirName))
dir.mkdir(imagesDirName);
pixmap.save(QString(imagesDirName) + "/" + QDateTime::currentDateTime().toString("yyyy-MM-dd_hh.mm.ss.zzz") + ".png");
break;
}
}
void Widget::mousePressEvent(QMouseEvent *e) {
if (e->button() == Qt::RightButton)
renderer->setMouse((e->pos() - rect().center()) / scale - rotation);
lastMousePosition = e->pos();
}
void Widget::mouseMoveEvent(QMouseEvent *e) {
if (e->buttons() & Qt::LeftButton) {
if (renderer->isFlat())
rotation += QPointF(e->pos() - lastMousePosition) / scale;
else
rotation += e->pos() - lastMousePosition;
renderer->setRotation(rotation);
lastMousePosition = e->pos();
} else if (e->buttons() & Qt::RightButton)
renderer->setMouse((e->pos() - rect().center()) / scale - rotation);
}
void Widget::mouseReleaseEvent(QMouseEvent *) {
}
void Widget::wheelEvent(QWheelEvent *e) {
if (e->modifiers() & Qt::ControlModifier) {
if (e->delta() > 1)
param += 0.1;
else
param -= 0.1;
renderer->setParam(param);
} else {
if (e->delta() > 1)
scale *= 1.05f;
else
scale /= 1.05f;
renderer->setScale(scale);
}
}
void Widget::paintEvent(QPaintEvent *) {
QPainter p(this);
p.drawPixmap(0, 0, pixmap);
}
void Widget::defaults() {
renderer->setRotation(rotation = QPoint());
renderer->setScale(scale = 1);
renderer->setParam(param = 0);
renderer->setSamples(samples = 1);
}
void Widget::toggleConsole() {
QPropertyAnimation *a = new QPropertyAnimation(console, "geometry");
connect(a, SIGNAL(finished()), SLOT(resizeConsole()));
a->setEasingCurve(QEasingCurve::InOutSine);
a->setDuration(500);
a->setStartValue(console->rect());
if (consoleVisible) {
a->setEndValue(QRect(0, 0, width(), 0));
console->clearFocus();
} else {
a->setEndValue(QRect(0, 0, width(), height() / 3));
console->setFocus();
}
a->start();
consoleVisible = !consoleVisible;
}
void Widget::resizeConsole() {
console->resize(width(), consoleVisible ? height() / 3 : 0);
}
void Widget::updatePixmap(const QImage &image) {
pixmap = QPixmap::fromImage(image);
}