QRegion KstViewArrow::clipRegion() {
if (_clipMask.isNull()) {
_myClipMask = QRegion();
QBitmap bm1(_geom.bottomRight().x(), _geom.bottomRight().y(), true);
if (!bm1.isNull()) {
KstPainter p;
p.setMakingMask(true);
p.begin(&bm1);
p.setViewXForm(true);
KstViewLine::paintSelf(p, QRegion());
p.end();
_clipMask = QRegion(bm1);
}
QBitmap bm2(_geom.bottomRight().x(), _geom.bottomRight().y(), true);
if (!bm2.isNull()) {
KstPainter p;
p.setMakingMask(true);
p.begin(&bm2);
p.setViewXForm(true);
paintSelf(p, QRegion());
p.end();
_myClipMask = QRegion(bm2);
}
}
return _myClipMask | _clipMask;
}
QRegion KstViewPicture::clipRegion() {
if (_clipMask.isNull()) {
_myClipMask = QRegion();
QBitmap bm1(_geom.bottomRight().x() + 1, _geom.bottomRight().y() + 1, true);
if (!bm1.isNull()) {
KstPainter p;
p.setMakingMask(true);
p.begin(&bm1);
p.setViewXForm(true);
KstBorderedViewObject::paintSelf(p, QRegion());
p.flush();
p.end();
_clipMask = QRegion(bm1);
}
QBitmap bm2(_geom.bottomRight().x() + 1, _geom.bottomRight().y() + 1, true);
if (!bm2.isNull()) {
KstPainter p;
p.setMakingMask(true);
p.begin(&bm2);
p.setViewXForm(true);
paintSelf(p, QRegion());
p.flush();
p.end();
_myClipMask = QRegion(bm2);
}
}
return _myClipMask | _clipMask;
}
QRegion KstViewLegend::clipRegion() {
if (!_transparent) {
return KstBorderedViewObject::clipRegion();
}
if (_clipMask.isNull() && _myClipMask.isNull()) {
const QRect cr(contentsRect());
QBitmap bm = _backBuffer.buffer().createHeuristicMask(false); // slow but preserves antialiasing...
_myClipMask = QRegion(bm);
_myClipMask.translate(cr.topLeft().x(), cr.topLeft().y());
QBitmap bm1(_geom.bottomRight().x() + 1, _geom.bottomRight().y() + 1, true);
if (!bm1.isNull()) {
KstPainter p;
p.setMakingMask(true);
p.begin(&bm1);
p.setViewXForm(true);
KstBorderedViewObject::paintSelf(p, QRegion());
p.end();
_clipMask = QRegion(bm1);
}
}
return _clipMask | _myClipMask;
}
void KstTopLevelView::pressMoveLayoutModeMove(const QPoint& pos, bool shift) {
Q_UNUSED(shift)
const QRect old(_prevBand);
QRect r(_pressTarget->geometry());
for (KstViewObjectList::ConstIterator i = _selectionList.begin(); i != _selectionList.end(); ++i) {
r = r.unite((*i)->geometry());
}
const QPoint originalTopLeft(r.topLeft());
QPoint topLeft(pos - _moveOffset - _pressTarget->geometry().topLeft() + r.topLeft());
r.moveTopLeft(topLeft);
_moveOffsetSticky = QPoint(0, 0);
int xMin = STICKY_THRESHOLD;
int yMin = STICKY_THRESHOLD;
snapToBorders(&xMin, &yMin, _selectionList, _pressTarget, r);
if (labs(xMin) < STICKY_THRESHOLD) {
_moveOffsetSticky.setX(xMin);
topLeft.setX(topLeft.x() - xMin);
}
if (labs(yMin) < STICKY_THRESHOLD) {
_moveOffsetSticky.setY(yMin);
topLeft.setY(topLeft.y() - yMin);
}
r.moveTopLeft(topLeft);
if (!_geom.contains(r, true)) {
slideInto(_geom, r);
}
_prevBand = r;
if (_prevBand != old) {
KstPainter p;
p.begin(_w);
p.setRasterOp(Qt::NotROP);
p.setPen(QPen(Qt::black, 0, Qt::DotLine));
if (_selectionList.isEmpty()) {
if (old.topLeft() != QPoint(-1, -1)) {
_pressTarget->drawShadow(p, old.topLeft());
}
_pressTarget->drawShadow(p, r.topLeft());
} else {
for (KstViewObjectList::Iterator iter = _selectionList.begin(); iter != _selectionList.end(); ++iter) {
if (old.topLeft() != QPoint(-1, -1)) {
(*iter)->drawShadow(p, old.topLeft() + (*iter)->geometry().topLeft() - originalTopLeft);
}
(*iter)->drawShadow(p, r.topLeft() + (*iter)->geometry().topLeft() - originalTopLeft);
}
}
p.end();
}
}
void KstTopLevelView::pressMoveLayoutModeEndPoint(const QPoint& pos, bool maintainAspect) {
// FIXME: remove this!! Should not know about any specific type
// for now we only know how to deal with lines
QRect bounds = _pressTarget->_parent->geometry();
QPoint npos = pos;
//pos must be inside the parent
npos.setX(QMAX(npos.x(), bounds.left()));
npos.setX(QMIN(npos.x(), bounds.right()));
npos.setY(QMIN(npos.y(), bounds.bottom()));
npos.setY(QMAX(npos.y(), bounds.top()));
if (KstViewLinePtr line = kst_cast<KstViewLine>(_pressTarget)) {
QPoint movePoint, anchorPoint;
QPoint *fromPoint, *toPoint;
if (_pressDirection & UP) {
// UP means we are on the start endpoint
movePoint = line->from();
anchorPoint = line->to();
fromPoint = &movePoint;
toPoint = &anchorPoint;
} else { // (_pressDirection & DOWN)
// DOWN means we are on the end endpoint
movePoint = line->to();
anchorPoint = line->from();
fromPoint = &anchorPoint;
toPoint = &movePoint;
}
if (maintainAspect) {
movePoint = KstGfxMouseHandlerUtils::findNearestPtOnLine(anchorPoint, movePoint, npos, bounds);
} else {
movePoint = npos; // already enforced pos inside parent.
}
const QRect old(_prevBand);
_prevBand.setTopLeft(*fromPoint);
_prevBand.setBottomRight(*toPoint);
if (old != _prevBand) {
KstPainter p;
p.begin(_w);
p.setPen(QPen(Qt::black, 0, Qt::DotLine));
p.setRasterOp(Qt::NotROP);
if (old.topLeft() != QPoint(-1, -1)) {
p.drawLine(old.topLeft(), old.bottomRight());
}
p.drawLine(_prevBand.topLeft(), _prevBand.bottomRight());
p.end();
}
}
}
void KstViewLegend::drawToBuffer() {
setDirty(false);
_backBuffer.buffer().resize(contentsRect().size());
_backBuffer.buffer().fill(backgroundColor());
KstPainter p;
p.begin(&_backBuffer.buffer());
QPen pen;
pen.setColor(foregroundColor());
p.setPen(pen);
drawToPainter(p);
p.end();
}
void KstTopLevelView::pressMoveLayoutModeResize(const QPoint& pos, bool maintainAspect) {
const QRect old(_prevBand);
_prevBand = newSize(_pressTarget->geometry(), _pressTarget->_parent->geometry(), _pressDirection, pos, maintainAspect);
if (_prevBand != old) {
KstPainter p;
p.begin(_w);
p.setRasterOp(Qt::NotROP);
p.setPen(QPen(Qt::black, 0, Qt::DotLine));
if (old.topLeft() != QPoint(-1, -1)) {
p.drawRect(old);
}
p.drawRect(_prevBand);
p.end();
}
}
void KstTopLevelView::updateFocus(const QPoint& pos) {
if (_activeHandler) {
_activeHandler->updateFocus(this, pos);
return;
}
if (_mode == DisplayMode || _mode == Unknown || tracking()) {
return;
}
//TODO: make this work better with click-select mode
KstViewObjectPtr p = findDeepestChild(pos, false);
if (p) {
KstViewObjectPtr p2 = p;
while (p2->_parent && p2->_parent->_container) {
p2 = p2->_parent;
}
if (p2->_parent && !p2->_parent->_container) {
p = p2->_parent;
}
}
if (p) {
if (p->focused()) {
setCursorFor(pos, p);
_focusOn = true; // just in case - seems to be false on occasion
return;
}
p->setFocus(true);
if (_focusOn) { // something else has the focus, clear it
clearFocus();
}
setCursorFor(pos, p);
KstPainter painter;
painter.begin(_w);
painter.setRasterOp(Qt::NotROP);
painter.setPen(QPen(Qt::black, 0, Qt::SolidLine));
painter.setBrush(Qt::NoBrush);
p->drawFocusRect(painter);
painter.end();
_focusOn = true;
_hoverFocus = p;
} else {
clearFocus();
}
}
void KstTopLevelView::pressMoveLayoutModeSelect(const QPoint& pos, bool shift) {
Q_UNUSED(shift)
const QRect old(_prevBand);
QRect r;
r.setTopLeft(_moveOffset);
r.setBottomRight(pos);
_prevBand = r.normalize().intersect(_geom);
if (old != _prevBand) {
KstPainter p;
p.begin(_w);
p.setRasterOp(Qt::NotROP);
p.drawWinFocusRect(old);
p.drawWinFocusRect(_prevBand);
p.end();
}
KstApp::inst()->slotUpdateDataMsg(QString::null);
}
void KstTopLevelView::pressMoveLayoutModeCenteredResize(const QPoint& pos, bool maintainAspect) {
//centered resize means that the center of the object stays constant
const QRect old(_prevBand);
_prevBand = newSizeCentered(_pressTarget->geometry(), _pressTarget->_parent->geometry(), pos, maintainAspect);
if (_prevBand != old) {
KstPainter p;
p.begin(_w);
p.setPen(QPen(Qt::black, 0, Qt::DotLine));
p.setRasterOp(Qt::NotROP);
if (old.topLeft() != QPoint(-1, -1)) {
p.drawEllipse(old);
}
p.drawEllipse(_prevBand);
p.end();
}
}
void KstTopLevelView::clearFocus() {
if (_focusOn) {
_pressDirection = -1;
_moveOffset = QPoint(-1, -1);
_moveOffsetSticky = QPoint(0, 0);
_w->unsetCursor();
_focusOn = false;
//recursively<bool>(&KstViewObject::setFocus, false);
if (_hoverFocus) {
KstPainter p;
p.begin(_w);
p.setViewXForm(true);
_hoverFocus->setFocus(false);
p.setRasterOp(Qt::NotROP);
p.setPen(QPen(Qt::black, 0, Qt::SolidLine));
p.setBrush(Qt::NoBrush);
_hoverFocus->drawFocusRect(p);
p.end();
_hoverFocus = 0L;
}
}
}
