void ScreeniePixmapItem::transformPixmap(QGraphicsSceneMouseEvent *event)
{
int deltaX, deltaY;
switch (event->buttons()) {
case Qt::RightButton:
deltaX = event->lastScreenPos().x() - event->screenPos().x();
rotate(deltaX);
event->accept();
break;
case Qt::MiddleButton:
deltaY = event->lastScreenPos().y() - event->screenPos().y();
addDistance(deltaY);
event->accept();
break;
case Qt::LeftButton:
// Welcome to the Exception To The Rule "Modify model via Controller"!
// moving items requires quite some logic, and we re-use that logic
// (the Qt implementation of handling move events, to be specific)
// So first we update the View, and THEN we update the Model.
// (see #itemChange above)
// As we get a signal by the model nevertheless we ignore it my raising
// a flag, because we already updated the View ourselves
d->ignoreUpdates = true;
selectExclusive();
QGraphicsPixmapItem::mouseMoveEvent(event);
break;
default:
event->ignore();
break;
}
}
void ScreenieControl::frenchConnection()
{
connect(&d->screenieScene, SIGNAL(distanceChanged()),
this, SLOT(handleDistanceChanged()));
connect(&d->screenieScene, SIGNAL(modelAdded(ScreenieModelInterface &)),
this, SLOT(handleModelAdded(ScreenieModelInterface &)));
connect(&d->screenieScene, SIGNAL(modelRemoved(ScreenieModelInterface &)),
this, SLOT(handleModelRemoved(ScreenieModelInterface &)));
connect(&d->screenieScene, SIGNAL(backgroundChanged()),
this, SLOT(handleBackgroundChanged()));
connect(&d->screenieGraphicsScene, SIGNAL(imagesDropped(QList<QImage>, QPointF)),
this, SLOT(handleImageDrop(QList<QImage>, QPointF)));
connect(&d->screenieGraphicsScene, SIGNAL(filePathsDropped(QStringList, QPointF)),
this, SLOT(handleFilePathsDrop(QStringList, QPointF)));
connect(&d->screenieGraphicsScene, SIGNAL(rotate(int)),
this, SLOT(rotate(int)));
connect(&d->screenieGraphicsScene, SIGNAL(addDistance(qreal)),
this, SLOT(addDistance(qreal)));
connect(&d->screenieGraphicsScene, SIGNAL(translate(qreal, qreal)),
this, SLOT(translate(qreal, qreal)));
connect(&d->qualityTimer, SIGNAL(timeout()),
this, SLOT(restoreRenderQuality()));
}
void ScreeniePixmapItem::wheelEvent(QGraphicsSceneWheelEvent *event)
{
int value;
// On Windows 7 pinch gestures are mapped to wheel events with CTRL pressed,
// also refer to: http://msdn.microsoft.com/en-us/library/dd940543%28v=vs.85%29.aspx
if (Qt::ControlModifier & event->modifiers()) {
value = -event->delta() / 12;
} else {
value = event->delta() / 12;
}
if (isInsidePixmap(event->pos())) {
addDistance(value);
} else {
addReflectionOpacity(value);
}
event->accept();
}
//Mouse scroll callback for Edit Mode
void glfwEditScroll(GLFWwindow *window, double xOffset, double yOffset) {
//Change dup num if N is pressed
if(eKeysPressed['N'] == 1) {
changeDupNumBy(yOffset);
}
//Change scale if F is being held along with scroll wheel
if(eKeysPressed['F'] == 1) {
//Scale in Z
if(eKeysPressed['Z'] == 1) {
if(eKeysPressed[341]) {
scaleSelectedEntityZ(yOffset * 0.5);
}
else {
scaleSelectedEntityZ(yOffset * 0.05);
}
}
//Scale in X
if(eKeysPressed['X'] == 1) {
if(eKeysPressed[341]) {
scaleSelectedEntityX(yOffset * 0.5);
}
else {
scaleSelectedEntityX(yOffset * 0.05);
}
}
//Scale in Y
if(eKeysPressed['C'] == 1) {
if(eKeysPressed[341]) {
scaleSelectedEntityY(yOffset * 0.5);
}
else {
scaleSelectedEntityY(yOffset * 0.05);
}
}
//Else uniformly scaled
else if(!eKeysPressed['Z'] && !eKeysPressed['X'] && !eKeysPressed['C']){
scaleSelectedEntity(glm::vec3(yOffset * 0.05, yOffset * 0.05, yOffset * 0.05));
}
}
//Change rotation if E is being held along with scroll wheel
else if(eKeysPressed['E'] == 1) {
//If left shift, change line rotation
if(eKeysPressed[340]) {
rotateLineAngle(yOffset);
}
//If left control, change spacing inbetween each selected entity
else if(eKeysPressed[341]) {
changeCESpacing(yOffset * 0.1);
}
//else rotate the model selected
else {
rotateSelectedEntities(yOffset);
}
}
//If the change will be in range
else if(getDistance() + yOffset * 0.1 <= 70.0 && getDistance() + yOffset * 0.1 >= 1.0) {
//printf("getDistance %f\n", getDistance());
//If l-shift increment by a tiny amount
if(eKeysPressed[340] == 1) {
addDistance(0.1 * yOffset);
}
//else if all other keys that involve scroll wheel weren't pressed
else if(!eKeysPressed['N'] && !eKeysPressed['F'] && !eKeysPressed['E']) {
addDistance(0.5 * yOffset);
}
}
}