//========================================================================================
bool MouseSelectionEditor::eventFilter(QObject *widget, QEvent *e) {
QMouseEvent *qMouseEv = static_cast<QMouseEvent *>(e);
GlMainWidget *glMainWidget = static_cast<GlMainWidget *>(widget);
if (e->type() == QEvent::MouseButtonPress) {
initProxies(glMainWidget);
computeFFD(glMainWidget);
int H;
H = glMainWidget->height();
editCenter = centerRect.getCenter();
editCenter[2] = 0;
editCenter[1] = glMainWidget->screenToViewport(H) - editCenter[1];
// editCenter[0] = W - editCenter[0];
editPosition[0] = qMouseEv->x();
editPosition[1] = qMouseEv->y();
editPosition[2] = 0;
editLayoutCenter = _layoutCenter;
vector<SelectedEntity> select;
switch (qMouseEv->buttons()) {
case Qt::LeftButton: {
// first ensure that something is selected
bool hasSelection = _selection->hasNonDefaultValuatedNodes(_graph) ||
_selection->hasNonDefaultValuatedEdges(_graph);
if (!hasSelection ||
(!glMainWidget->pickGlEntities(int(editPosition[0]) - 3, int(editPosition[1]) - 3, 6, 6,
select, layer))) {
// event occurs outside the selection rectangle
// so from now we delegate the job to a MouseSelector object
// which should intercept the event
operation = NONE;
glMainWidget->setCursor(QCursor(Qt::CrossCursor));
return false;
}
glMainWidget->setCursor(QCursor(Qt::PointingHandCursor));
int shapeId = -1;
bool advShape = false;
for (unsigned int i = 0; (i < select.size()) && (shapeId == -1); ++i) {
for (int j = 0; j < 8; ++j) {
if (select[i].getSimpleEntity() == &_controls[j]) {
shapeId = i;
}
}
for (int j = 0; j < 6; ++j) {
if (select[i].getSimpleEntity() == &_advControls[j]) {
advShape = true;
shapeId = i;
}
}
}
if (shapeId != -1) {
if (!advShape) {
static_cast<GlCircle *>(select[shapeId].getSimpleEntity())
->setFillColor(Color(40, 255, 40, 200));
static_cast<GlCircle *>(select[shapeId].getSimpleEntity())
->setOutlineColor(Color(20, 128, 20, 200));
}
getOperation(select[shapeId].getSimpleEntity());
switch (operation) {
case ALIGN_TOP:
case ALIGN_BOTTOM:
case ALIGN_LEFT:
case ALIGN_RIGHT:
case ALIGN_VERTICALLY:
case ALIGN_HORIZONTALLY:
mAlign(operation, glMainWidget);
return true;
case ROTATE_Z:
case ROTATE_XY:
case NONE:
case STRETCH_X:
case STRETCH_Y:
case STRETCH_XY:
case TRANSLATE:
default:
break;
}
} else {
if (qMouseEv->modifiers() &
#if defined(__APPLE__)
Qt::AltModifier
#else
Qt::ControlModifier
#endif
) {
operation = ROTATE_XY;
glMainWidget->setCursor(QCursor(Qt::PointingHandCursor));
} else {
operation = TRANSLATE;
glMainWidget->setCursor(QCursor(Qt::SizeAllCursor));
}
}
mode = COORD_AND_SIZE;
if (qMouseEv->modifiers() & Qt::ShiftModifier)
mode = COORD;
if (qMouseEv->modifiers() &
#if defined(__APPLE__)
Qt::AltModifier
#else
Qt::ControlModifier
#endif
)
mode = SIZE;
initEdition();
break;
}
case Qt::MidButton:
undoEdition();
glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
break;
default:
return false;
}
glMainWidget->redraw();
return true;
}
if (e->type() == QEvent::MouseButtonRelease && qMouseEv->button() == Qt::LeftButton &&
operation != NONE) {
stopEdition();
// restore colors
for (unsigned int i = 0; i < 8; ++i) {
_controls[i].setFillColor(Color(255, 40, 40, 200));
_controls[i].setOutlineColor(Color(128, 20, 20, 200));
}
glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
glMainWidget->draw();
return true;
}
if (e->type() == QEvent::KeyPress) {
// first ensure that something is selected
bool hasSelection = _selection->hasNonDefaultValuatedNodes(_graph) ||
_selection->hasNonDefaultValuatedEdges(_graph);
if (hasSelection) {
switch (static_cast<QKeyEvent *>(e)->key()) {
case Qt::Key_Left:
mMouseTranslate(editPosition[0] - 1, editPosition[1], glMainWidget);
break;
case Qt::Key_Right:
mMouseTranslate(editPosition[0] + 1, editPosition[1], glMainWidget);
break;
case Qt::Key_Up:
mMouseTranslate(editPosition[0], editPosition[1] - 1, glMainWidget);
break;
case Qt::Key_Down:
mMouseTranslate(editPosition[0], editPosition[1] + 1, glMainWidget);
break;
}
}
}
if (e->type() == QEvent::MouseMove && qMouseEv->buttons() & Qt::LeftButton && operation != NONE) {
int newX = qMouseEv->x();
int newY = qMouseEv->y();
switch (operation) {
case STRETCH_X:
case STRETCH_Y:
case STRETCH_XY:
mMouseStretchAxis(newX, newY, glMainWidget);
return true;
case ROTATE_Z:
case ROTATE_XY:
mMouseRotate(newX, newY, glMainWidget);
return true;
case TRANSLATE:
mMouseTranslate(newX, newY, glMainWidget);
return true;
case NONE:
case ALIGN_TOP:
case ALIGN_BOTTOM:
case ALIGN_LEFT:
case ALIGN_RIGHT:
case ALIGN_VERTICALLY:
case ALIGN_HORIZONTALLY:
default:
qWarning() << "[Error] : " << __FUNCTION__ << " should not have been called" << endl;
break;
}
}
return false;
}
