void tst_QMimeData::colorData() const
{
QMimeData mimeData;
QColor red = Qt::red;
QColor blue = Qt::blue;
// set, verify
mimeData.setColorData(red);
QVERIFY(mimeData.hasColor());
QCOMPARE(qvariant_cast<QColor>(mimeData.colorData()), red);
// change, verify
mimeData.setColorData(QColor(Qt::blue));
QVERIFY(mimeData.hasColor());
QCOMPARE(qvariant_cast<QColor>(mimeData.colorData()), blue);
}
void KisColorPatches::mouseMoveEvent(QMouseEvent *event)
{
event->ignore();
KisColorSelectorBase::mouseMoveEvent(event);
if(event->isAccepted())
return;
if (!(event->buttons() & Qt::LeftButton))
return;
if ((event->pos() - m_dragStartPos).manhattanLength()
< QApplication::startDragDistance())
return;
KoColor koColor;
if(!colorAt(m_dragStartPos, &koColor))
return;
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
QColor color = koColor.toQColor();
mimeData->setColorData(color);
mimeData->setText(color.name());
drag->setMimeData(mimeData);
drag->exec(Qt::CopyAction);
event->accept();
}
void Peg::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton))
.length() < QApplication::startDragDistance()) {
return;
}
dragged = true;
QDrag *drag = new QDrag(event->widget());
QMimeData *mime = new QMimeData;
drag->setMimeData(mime);
mime->setColorData(color);
mime->setText(QString("#%1%2%3")
.arg(color.red(), 2, 16, QLatin1Char('0'))
.arg(color.green(), 2, 16, QLatin1Char('0'))
.arg(color.blue(), 2, 16, QLatin1Char('0')));
QPixmap pixmap(34, 34);
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
painter.translate(15, 15);
painter.setRenderHint(QPainter::Antialiasing);
paint(&painter, 0, 0);
painter.end();
pixmap.setMask(pixmap.createHeuristicMask());
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(15, 20));
drag->exec();
setCursor(Qt::OpenHandCursor);
dragged = false;
}
void DualColorButton::mouseMoveEvent(QMouseEvent *event)
{
if(dragSource_ != NODRAG && (event->buttons() & Qt::LeftButton) &&
(event->pos() - dragStart_).manhattanLength()
> QApplication::startDragDistance())
{
QDrag *drag = new QDrag(this);
QMimeData *mimedata = new QMimeData;
const QColor color = (dragSource_ == FOREGROUND)?foreground_:background_;
mimedata->setColorData(color);
drag->setMimeData(mimedata);
drag->start(Qt::CopyAction);
}
// Higlight clickable areas
QRectF fgr = foregroundRect();
QRectF bgr = backgroundRect();
if(fgr.contains(event->pos()))
hilite_ = 1;
else if(bgr.contains(event->pos()))
hilite_ = 2;
else if(event->pos().x() > fgr.right() && event->pos().y() < bgr.top())
hilite_ = 3;
else if(event->pos().x() < bgr.left() && event->pos().y() > fgr.bottom())
hilite_ = 4;
else
hilite_ = 0;
update();
}
void DraggablePiece::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QMimeData *data = new QMimeData;
QVariant variant = QVariant::fromValue((int)Qt::green);
data->setColorData(variant);
QDrag *drag = new QDrag((QObject*)event->widget());
drag->setMimeData(data);
drag->start();
}
//! [5]
void ColorItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton))
.length() < QApplication::startDragDistance()) {
return;
}
QDrag *drag = new QDrag(event->widget());
QMimeData *mime = new QMimeData;
drag->setMimeData(mime);
//! [5]
//! [6]
static int n = 0;
if (n++ > 2 && (qrand() % 3) == 0) {
QImage image(":/images/head.png");
mime->setImageData(image);
drag->setPixmap(QPixmap::fromImage(image).scaled(30, 40));
drag->setHotSpot(QPoint(15, 30));
//! [6]
//! [7]
} else {
mime->setColorData(color);
mime->setText(QString("#%1%2%3")
.arg(color.red(), 2, 16, QLatin1Char('0'))
.arg(color.green(), 2, 16, QLatin1Char('0'))
.arg(color.blue(), 2, 16, QLatin1Char('0')));
QPixmap pixmap(34, 34);
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
painter.translate(15, 15);
painter.setRenderHint(QPainter::Antialiasing);
paint(&painter, 0, 0);
painter.end();
pixmap.setMask(pixmap.createHeuristicMask());
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(15, 20));
}
//! [7]
//! [8]
drag->exec();
setCursor(Qt::OpenHandCursor);
}
void VColorButton::mouseMoveEvent(QMouseEvent *e)
{
if (!mousepressed)
return;
if ((presspos - e->pos()).manhattanLength() > QApplication::startDragDistance()) {
mousepressed = false;
setDown(false);
QDrag *drag = new QDrag(this);
QMimeData *data = new QMimeData;
data->setColorData(color());
drag->setMimeData(data);
drag->start(Qt::CopyAction);
}
}
void PaletteGrid::mouseMoveEvent(QMouseEvent* event)
{
VoxelFile* voxel = window->get_voxel();
if (!voxel)
return;
if (!(event->buttons() & Qt::LeftButton))
return;
if ((event->pos() - drag_start).manhattanLength() < QApplication::startDragDistance())
return;
QDrag* drag = new QDrag(this);
QMimeData* mimeData = new QMimeData;
RGBColor& col = global_palette[palette_index];
QColor col2(col.r, col.g, col.b);
mimeData->setColorData(col2);
drag->setMimeData(mimeData);
//Qt::DropAction dropAction = drag->exec(Qt::CopyAction);
}
void QtColorButton::mouseMoveEvent(QMouseEvent *event)
{
#ifndef QT_NO_DRAGANDDROP
if (event->buttons() & Qt::LeftButton &&
(d_ptr->m_dragStart - event->pos()).manhattanLength() > QApplication::startDragDistance()) {
QMimeData *mime = new QMimeData;
mime->setColorData(color());
QDrag *drg = new QDrag(this);
drg->setMimeData(mime);
drg->setPixmap(d_ptr->generatePixmap());
setDown(false);
event->accept();
drg->start();
return;
}
#endif
QToolButton::mouseMoveEvent(event);
}
//! [5]
void ColorItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
QPoint pointStart = event->screenPos();
QPoint pointEnd = event->buttonDownScreenPos(Qt::LeftButton);
QLineF lineStarEnd(pointStart, pointEnd);
qreal nLineLength = lineStarEnd.length();
qreal nLineMinLength = QApplication::startDragDistance();
//if (QLineF(event->screenPos(), event->buttonDownScreenPos(Qt::LeftButton)).length() < QApplication::startDragDistance())
if (nLineLength < nLineMinLength)
{
return;
}
QDrag* drag = new QDrag(event->widget());
QMimeData* mime = new QMimeData();
QString strText;
strText = QString("#%1%2%3").arg(m_nColor.red(), 2, 16, QLatin1Char('0'))
.arg(m_nColor.green(), 2, 16, QLatin1Char('0'))
.arg(m_nColor.blue(), 2, 16, QLatin1Char('0'));
drag->setMimeData(mime);
mime->setColorData(m_nColor);
mime->setText(strText);
QPixmap pixmap(34, 34);
pixmap.fill(Qt::white);
QPainter painter(&pixmap);
painter.translate(15, 15);
painter.setRenderHint(QPainter::Antialiasing);
this->paint(&painter, 0, 0);
painter.end();
pixmap.setMask(pixmap.createHeuristicMask());
drag->setPixmap(pixmap);
drag->setHotSpot(QPoint(15, 20));
drag->exec();
setCursor(Qt::OpenHandCursor);
}
void tst_QMimeData::hasColor() const
{
QMimeData mimeData;
// initial state
QVERIFY(mimeData.hasColor() == false);
// set, verify
mimeData.setColorData(QColor(Qt::red));
QVERIFY(mimeData.hasColor());
// clear, verify
mimeData.clear();
QVERIFY(mimeData.hasColor() == false);
// set something else, verify
mimeData.setData("text/plain", "pirates");
QVERIFY(mimeData.hasColor() == false);
}
void ColorView::mouseMoveEvent(QMouseEvent *e)
{
if (e->buttons() & Qt::LeftButton) {
if ((e->pos() - dragStartPos_).manhattanLength() >= QApplication::startDragDistance()) {
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setColorData(value_);
drag->setMimeData(mimeData);
QPixmap pix(20, 20);
auto size = pix.size();
{
QPainter p(&pix);
for (int x = 0; x < size.width(); x += 5) {
for (int y = 0; y < size.height(); y += 5) {
p.fillRect(x, y, 5, 5, ((x + y) / 5 & 1) ? QColor(255, 255, 255) : QColor(192, 192, 192));
}
}
p.fillRect(0, 0, size.width(), size.height(), value_);
auto v2 = value_;
v2.setAlphaF(1.f);
p.fillRect(0, 0, size.width() / 2, size.height(), v2);
p.setPen(QColor(0, 0, 0));
p.drawRect(0, 0, size.width() - 1, size.height() - 1);
p.setPen(QColor(255, 255, 255));
p.drawRect(1, 1, size.width() - 3, size.height() - 3);
}
drag->setPixmap(pix);
drag->exec(Qt::CopyAction | Qt::MoveAction);
return;
}
}
QAbstractButton::mouseMoveEvent(e);
}
/*
* Draws a rectangle with the buttons color as the mouse is dragged.
*/
void DColorButton::mouseMoveEvent(QMouseEvent* e)
{
QAbstractButton::mouseMoveEvent( e );
if ((e->pos() - m_position).manhattanLength() < QApplication::startDragDistance())
return;
QDrag *drag = new QDrag( this );
QPixmap pix( 25, 25 );
pix.fill( m_color );
QPainter painter( &pix );
painter.drawRect( 0, 0, pix.width(), pix.height() );
painter.end();
QMimeData *mimeData = new QMimeData;
mimeData->setColorData(m_color);
drag->setMimeData(mimeData);
drag->setPixmap( pix );
Qt::DropAction dropAction = drag->start(Qt::MoveAction);
}
