initial
This commit is contained in:
commit
05f72bba15
GPG Key ID:
596B2350DCD67504
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@ -0,0 +1,6 @@
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.qmake.stash
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CursorRotate
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*.pro.user
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Makefile
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.vscode/settings.json
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build/
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QT += core gui svg
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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||||
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||||
CONFIG += c++17
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||||
CONFIG += debug
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||||
|
||||
# The following define makes your compiler emit warnings if you use
|
||||
# any Qt feature that has been marked deprecated (the exact warnings
|
||||
# depend on your compiler). Please consult the documentation of the
|
||||
# deprecated API in order to know how to port your code away from it.
|
||||
DEFINES += QT_DEPRECATED_WARNINGS
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||||
|
||||
# You can also make your code fail to compile if it uses deprecated APIs.
|
||||
# In order to do so, uncomment the following line.
|
||||
# You can also select to disable deprecated APIs only up to a certain version of Qt.
|
||||
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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MOC_DIR = build/generated/
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UI_DIR = build/ui/
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RCC_DIR = build/rcc/
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OBJECTS_DIR = build/objects/
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SOURCES += \
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src/main.cpp \
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src/mainwindow.cpp \
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src/rotator.cpp
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HEADERS += \
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src/mainwindow.h \
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src/rotator.h
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FORMS += \
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src/mainwindow.ui
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||||
# Default rules for deployment.
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||||
qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target
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|
||||
inkscape:groupmode="layer"
|
||||
id="layer1"
|
||||
style="display:inline"
|
||||
transform="translate(-26.104893,11.50912)">
|
||||
<path
|
||||
sodipodi:nodetypes="cccccccc"
|
||||
id="path5565"
|
||||
d="m 42.566583,0.6865965 -6.250128,15.1706965 4.850633,-1.839953 0.215285,4.817827 c 0.0086,1.281418 2.861238,1.496644 2.78258,-0.246162 l -0.128846,-4.594978 4.294841,1.504771 z"
|
||||
style="color:#000000;display:block;overflow:visible;visibility:visible;fill:#ffffff;fill-opacity:1;fill-rule:nonzero;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;marker:none;enable-background:accumulate"
|
||||
inkscape:connector-curvature="0" />
|
||||
</g>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 13 KiB |
|
|
@ -0,0 +1,2 @@
|
|||
#!/bin/bash
|
||||
curl -so dmz.svg "https://salsa.debian.org/gnome-team/dmz-cursor-theme/-/raw/debian/master/DMZ-White/dmz.svg"
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
#include "mainwindow.h"
|
||||
|
||||
#include <QApplication>
|
||||
#include <QDebug>
|
||||
|
||||
#include "rotator.h"
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
QApplication a(argc, argv);
|
||||
MainWindow w;
|
||||
|
||||
Rotator r;
|
||||
|
||||
QObject::connect(&r, &Rotator::angleUpdated, &w, &MainWindow::angleUpdated);
|
||||
QObject::connect(&r, &Rotator::newImage, &w, &MainWindow::newImage);
|
||||
QObject::connect(&r, &Rotator::force, &w, &MainWindow::setForce);
|
||||
QObject::connect(&w, &MainWindow::reset, &r, &Rotator::reset);
|
||||
|
||||
w.show();
|
||||
return a.exec();
|
||||
}
|
||||
|
|
@ -0,0 +1,19 @@
|
|||
#include "mainwindow.h"
|
||||
#include "ui_mainwindow.h"
|
||||
|
||||
MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
|
||||
ui->setupUi(this);
|
||||
|
||||
QObject::connect(this, &MainWindow::angleUpdated, this->ui->dial, &QDial::setValue);
|
||||
QObject::connect(this, &MainWindow::newImage, this->ui->label, &QLabel::setPixmap);
|
||||
QObject::connect(this->ui->resetButton, &QPushButton::clicked, this, &MainWindow::reset);
|
||||
}
|
||||
|
||||
MainWindow::~MainWindow() {
|
||||
delete ui;
|
||||
}
|
||||
|
||||
void MainWindow::setForce(QPointF force) {
|
||||
this->ui->forceX->setValue(force.x());
|
||||
this->ui->forceY->setValue(-force.y());
|
||||
}
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
#ifndef MAINWINDOW_H
|
||||
#define MAINWINDOW_H
|
||||
|
||||
#include <QMainWindow>
|
||||
#include <QPixmap>
|
||||
#include <QPointF>
|
||||
|
||||
QT_BEGIN_NAMESPACE
|
||||
namespace Ui { class MainWindow; }
|
||||
QT_END_NAMESPACE
|
||||
|
||||
class MainWindow : public QMainWindow {
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
MainWindow(QWidget* parent = nullptr);
|
||||
~MainWindow();
|
||||
|
||||
signals:
|
||||
void angleUpdated(double newAngle);
|
||||
void newImage(QPixmap map);
|
||||
void reset();
|
||||
|
||||
public slots:
|
||||
void setForce(QPointF force);
|
||||
|
||||
private:
|
||||
Ui::MainWindow* ui;
|
||||
};
|
||||
|
||||
#endif // MAINWINDOW_H
|
||||
|
|
@ -0,0 +1,142 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<ui version="4.0">
|
||||
<class>MainWindow</class>
|
||||
<widget class="QMainWindow" name="MainWindow">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>234</width>
|
||||
<height>439</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="windowTitle">
|
||||
<string>MainWindow</string>
|
||||
</property>
|
||||
<widget class="QWidget" name="centralwidget">
|
||||
<widget class="QDial" name="dial">
|
||||
<property name="enabled">
|
||||
<bool>false</bool>
|
||||
</property>
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>150</x>
|
||||
<y>10</y>
|
||||
<width>50</width>
|
||||
<height>64</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>360</number>
|
||||
</property>
|
||||
<property name="singleStep">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="pageStep">
|
||||
<number>1</number>
|
||||
</property>
|
||||
<property name="wrapping">
|
||||
<bool>true</bool>
|
||||
</property>
|
||||
<property name="notchTarget">
|
||||
<double>0.000000000000000</double>
|
||||
</property>
|
||||
<property name="notchesVisible">
|
||||
<bool>false</bool>
|
||||
</property>
|
||||
</widget>
|
||||
<widget class="QLabel" name="label">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>100</width>
|
||||
<height>100</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="sizePolicy">
|
||||
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
|
||||
<horstretch>0</horstretch>
|
||||
<verstretch>0</verstretch>
|
||||
</sizepolicy>
|
||||
</property>
|
||||
<property name="styleSheet">
|
||||
<string notr="true">border-color:red;</string>
|
||||
</property>
|
||||
</widget>
|
||||
<widget class="QPushButton" name="resetButton">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>130</x>
|
||||
<y>70</y>
|
||||
<width>100</width>
|
||||
<height>27</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>&Reset</string>
|
||||
</property>
|
||||
</widget>
|
||||
<widget class="QSlider" name="forceX">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>10</x>
|
||||
<y>130</y>
|
||||
<width>160</width>
|
||||
<height>16</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="minimum">
|
||||
<number>-50</number>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>50</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Horizontal</enum>
|
||||
</property>
|
||||
<property name="tickPosition">
|
||||
<enum>QSlider::TicksAbove</enum>
|
||||
</property>
|
||||
</widget>
|
||||
<widget class="QSlider" name="forceY">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>10</x>
|
||||
<y>150</y>
|
||||
<width>16</width>
|
||||
<height>160</height>
|
||||
</rect>
|
||||
</property>
|
||||
<property name="minimum">
|
||||
<number>-50</number>
|
||||
</property>
|
||||
<property name="maximum">
|
||||
<number>50</number>
|
||||
</property>
|
||||
<property name="value">
|
||||
<number>0</number>
|
||||
</property>
|
||||
<property name="orientation">
|
||||
<enum>Qt::Vertical</enum>
|
||||
</property>
|
||||
<property name="tickPosition">
|
||||
<enum>QSlider::TicksAbove</enum>
|
||||
</property>
|
||||
</widget>
|
||||
</widget>
|
||||
<widget class="QMenuBar" name="menubar">
|
||||
<property name="geometry">
|
||||
<rect>
|
||||
<x>0</x>
|
||||
<y>0</y>
|
||||
<width>234</width>
|
||||
<height>24</height>
|
||||
</rect>
|
||||
</property>
|
||||
</widget>
|
||||
<widget class="QStatusBar" name="statusbar"/>
|
||||
</widget>
|
||||
<resources/>
|
||||
<connections/>
|
||||
</ui>
|
||||
|
|
@ -0,0 +1,240 @@
|
|||
#include "rotator.h"
|
||||
|
||||
#include <QDebug>
|
||||
#include <QDateTime>
|
||||
#include <QSvgRenderer>
|
||||
#include <QTimer>
|
||||
#include <QtMath>
|
||||
#include <QColor>
|
||||
#include <QPainter>
|
||||
|
||||
#include <X11/Xlib.h>
|
||||
#include <X11/Xutil.h>
|
||||
#include <X11/Xcursor/Xcursor.h>
|
||||
|
||||
const QPointF Rotator::Gravity(0, 50);
|
||||
|
||||
static QPointF rotate(QPointF point, double angle) {
|
||||
const double c = qCos(qDegreesToRadians(angle));
|
||||
const double s = qSin(qDegreesToRadians(angle));
|
||||
|
||||
return {point.x() * c - point.y() * s, point.x() * s + point.y() * c};
|
||||
}
|
||||
|
||||
static double lengthOfPoint(QPointF point) {
|
||||
return std::sqrt((point.x() * point.x()) + (point.y() * point.y()));
|
||||
}
|
||||
|
||||
static double clampDegrees(double deg) {
|
||||
while(deg < 0) {
|
||||
deg += 360.0;
|
||||
}
|
||||
|
||||
while(deg > 360) {
|
||||
deg -= 360.0;
|
||||
}
|
||||
|
||||
return deg;
|
||||
}
|
||||
|
||||
static double clampAngleDiff(double diff) {
|
||||
diff = fmod(diff + 180.0, 360.0);
|
||||
if (diff < 0) {
|
||||
diff += 360.0;
|
||||
}
|
||||
return diff - 180.0;
|
||||
}
|
||||
|
||||
static double pointToAngle(QPointF point) {
|
||||
return clampDegrees(-qRadiansToDegrees(qAtan2(point.x(), point.y())));
|
||||
}
|
||||
|
||||
Rotator::Rotator(QObject* parent) : QObject(parent), disp(XOpenDisplay(nullptr)), renderer(new QSvgRenderer(QString("dmz3.svg"), this)), loopTimer(new QTimer(nullptr)),
|
||||
lastTimePoint(QDateTime::currentMSecsSinceEpoch()), lastPosition(-1, -1), angle(0), angleVelocity(0) {
|
||||
QObject::connect(loopTimer, &QTimer::timeout, this, &Rotator::loop);
|
||||
loopTimer->setInterval(std::chrono::milliseconds(10));
|
||||
loopTimer->start();
|
||||
|
||||
// test
|
||||
/*
|
||||
for(int i = -360; i < 360; ++i) {
|
||||
qDebug() << i << clampAngleDiff(i);
|
||||
}
|
||||
throw std::exception();
|
||||
*/
|
||||
}
|
||||
|
||||
Rotator::~Rotator() {
|
||||
if(disp) {
|
||||
XCloseDisplay(disp);
|
||||
}
|
||||
}
|
||||
|
||||
void Rotator::forAllWindows(std::function<void(Window)> func) {
|
||||
forAllWindows(func, DefaultRootWindow(disp));
|
||||
}
|
||||
|
||||
void Rotator::reset() {
|
||||
angle = 0;
|
||||
angleVelocity = 0;
|
||||
}
|
||||
|
||||
void Rotator::loop() {
|
||||
int x = 0, y = 0;
|
||||
unsigned int mask = 0;
|
||||
Window rootRet;
|
||||
Window childRet;
|
||||
int xChild = 0, yChild = 0;
|
||||
if(XQueryPointer(disp, DefaultRootWindow(disp), &rootRet, &childRet, &x, &y, &xChild, &yChild, &mask)) {
|
||||
recalculateCursor({(double) x, (double) y});
|
||||
}
|
||||
}
|
||||
|
||||
void Rotator::recalculateCursor(QPointF newPos) {
|
||||
quint64 currentTimePoint = QDateTime::currentMSecsSinceEpoch();
|
||||
|
||||
if(lastPosition.x() == -1) {
|
||||
lastPosition = newPos;
|
||||
lastTimePoint = currentTimePoint;
|
||||
return;
|
||||
}
|
||||
|
||||
const double timeDiff = (currentTimePoint - lastTimePoint) / 1000.0;
|
||||
|
||||
QPointF mouseForceVector = lastPosition - newPos;
|
||||
QPointF forceVector = ((mouseForceVector * mouseForceStrength) + (Gravity * gravityStrength)) * timeDiff;
|
||||
|
||||
|
||||
emit this->force(forceVector);
|
||||
|
||||
// has position 0,0 (need soffset)
|
||||
QPointF rotatedEndCap = rotate(QPointF(0, length), angle);
|
||||
|
||||
QPointF forcedCap = rotatedEndCap + forceVector;
|
||||
|
||||
|
||||
// fix the distance to the origin (should be exactly length)
|
||||
//double forcedCapLength = lengthOfPoint(forcedCap);
|
||||
//forcedCap *= length / forcedCapLength;
|
||||
//qDebug() << "normalized:" << forcedCap;
|
||||
|
||||
// calculate angle
|
||||
double newAngle = clampDegrees(pointToAngle(forcedCap));
|
||||
// qDebug() << "force:" << forceVector << "forcedCap:" << forcedCap << "angle:" << newAngle;
|
||||
|
||||
double angleDiff = clampAngleDiff(newAngle - angle);
|
||||
|
||||
if(qAbs(angleDiff) < 0.01 * timeDiff) {
|
||||
lastPosition = newPos;
|
||||
lastTimePoint = currentTimePoint;
|
||||
return;
|
||||
}
|
||||
|
||||
newAngle += angleVelocity * timeDiff;
|
||||
|
||||
angleVelocity += angleDiff / timeDiff;
|
||||
qDebug() << "angleDiff:" << angleDiff << "angleVelocity:" << angleVelocity << "angle:" << newAngle;
|
||||
|
||||
angleVelocity *= 0.95;
|
||||
if(qAbs(angleVelocity) < 0.001) {
|
||||
angleVelocity = 0.0;
|
||||
}
|
||||
|
||||
// calculate offset ( is this required? )
|
||||
// QPointF realCap = forcedCap + newPos;
|
||||
angle = clampDegrees(newAngle);
|
||||
|
||||
// just rotate
|
||||
// angle += 300 * timeDiff;
|
||||
|
||||
emit this->angleUpdated(angle);
|
||||
|
||||
lastPosition = newPos;
|
||||
lastTimePoint = currentTimePoint;
|
||||
|
||||
rerender();
|
||||
}
|
||||
|
||||
void Rotator::rerender() {
|
||||
int size = 100;
|
||||
|
||||
QPixmap px(size, size);
|
||||
px.fill(QColorConstants::Transparent);
|
||||
|
||||
QPainter painter(&px);
|
||||
|
||||
QTransform transform;
|
||||
qreal scaleF = 0.7;
|
||||
qreal tX = 16 * (size/32.0);
|
||||
qreal tY = 12 * (size/32.0);
|
||||
qreal lateTranslate = size/2.0;
|
||||
transform.translate(lateTranslate, lateTranslate).scale(scaleF, scaleF).rotate(angle).translate(-tX, -tY);
|
||||
painter.setTransform(transform, false);
|
||||
renderer->render(&painter);
|
||||
|
||||
painter.setPen({QColorConstants::Red});
|
||||
painter.drawLine(tX-10, tY, tX+10, tY);
|
||||
painter.drawLine(tX, tY-10, tX, tY+10);
|
||||
painter.setTransform(QTransform(), false);
|
||||
painter.drawRect(0, 0, size-1, size-1);
|
||||
|
||||
emit this->newImage(px);
|
||||
|
||||
// setCursor(px, {50, 50});
|
||||
}
|
||||
|
||||
void Rotator::setCursor(const QPixmap& px, const QPointF& hotspot) {
|
||||
// Get the raw XImage from the QPixmap
|
||||
QImage image = px.toImage();
|
||||
uint32_t imageSize = image.width() * image.depth() * image.height();
|
||||
char* imageData = (char*) malloc(imageSize);
|
||||
memcpy(imageData, image.bits(), imageSize);
|
||||
XImage* xImage = XCreateImage(
|
||||
disp,
|
||||
DefaultVisual(disp, DefaultScreen(disp)),
|
||||
DefaultDepth(disp, DefaultScreen(disp)),
|
||||
ZPixmap, 0, imageData,
|
||||
image.width(), image.height(),
|
||||
image.depth(), 0
|
||||
);
|
||||
|
||||
// Create the XcursorImages
|
||||
XcursorImage* cursorImage = XcursorImageCreate(image.width(), image.height());
|
||||
cursorImage->xhot = hotspot.x();
|
||||
cursorImage->yhot = hotspot.y();
|
||||
|
||||
// Copy the image data to XcursorImage
|
||||
cursorImage->pixels = (XcursorPixel*) xImage->data;
|
||||
cursorImage->delay = 0;
|
||||
|
||||
// Create the cursor
|
||||
Cursor cursor = XcursorImageLoadCursor(disp, cursorImage);
|
||||
|
||||
// Set the cursor
|
||||
XDefineCursor(disp, DefaultRootWindow(disp), cursor);
|
||||
|
||||
// Clean up resources
|
||||
// XFreeCursor(disp, cursor);
|
||||
// XDestroyImage(xImage);
|
||||
}
|
||||
|
||||
void Rotator::forAllWindows(std::function<void(Window)> func, Window root)
|
||||
{
|
||||
func(root);
|
||||
|
||||
Window* children = nullptr;
|
||||
Window dummy;
|
||||
unsigned int nchildren;
|
||||
if (!XQueryTree(disp, root, &dummy, &dummy, &children, &nchildren)) {
|
||||
// no children
|
||||
return;
|
||||
}
|
||||
|
||||
for (unsigned int i = 0; i < nchildren; i++) {
|
||||
forAllWindows(func, children[i]);
|
||||
}
|
||||
|
||||
if (children) {
|
||||
XFree((char*) children);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
#pragma once
|
||||
|
||||
#include <functional>
|
||||
|
||||
#include <QPointF>
|
||||
#include <QObject>
|
||||
#include <QPixmap>
|
||||
|
||||
class QSvgRenderer;
|
||||
class QTimer;
|
||||
|
||||
struct _XDisplay;
|
||||
using Display = _XDisplay;
|
||||
using Window = unsigned long;
|
||||
|
||||
class Rotator : public QObject {
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
explicit Rotator(QObject* parent = nullptr);
|
||||
virtual ~Rotator();
|
||||
|
||||
void forAllWindows(std::function<void(Window)> func);
|
||||
|
||||
signals:
|
||||
void angleUpdated(double newAngle);
|
||||
void newImage(QPixmap map);
|
||||
void force(QPointF force);
|
||||
|
||||
public slots:
|
||||
void reset();
|
||||
|
||||
private slots:
|
||||
void loop();
|
||||
|
||||
private:
|
||||
void recalculateCursor(QPointF newPos);
|
||||
void rerender();
|
||||
void setCursor(const QPixmap& px, const QPointF& hostspot);
|
||||
|
||||
void forAllWindows(std::function<void(Window)> func, Window root);
|
||||
|
||||
Display* disp;
|
||||
QSvgRenderer* renderer;
|
||||
QTimer* loopTimer;
|
||||
|
||||
quint64 lastTimePoint;
|
||||
|
||||
QPointF lastPosition;
|
||||
double angle; // deg
|
||||
double angleVelocity; // deg / s
|
||||
|
||||
// TODO: make them changeable
|
||||
double gravityStrength = 1.0;
|
||||
double mouseForceStrength = 1.0;
|
||||
double impulseStrength = 1.0;
|
||||
|
||||
static constexpr double length = 10.0;
|
||||
|
||||
static const QPointF Gravity;
|
||||
};
|
||||
Loading…
Reference in New Issue