void ChannelList::mouseMoveEvent(QMouseEvent* event){
if(dragging && event->state() == Qt::LeftButton){
QDragObject* drag = new QTextDrag(currentText(),this);
drag->dragMove();
dragging = FALSE;
}
}
STDMETHODIMP QOleDataObject::GetData( FORMATETC *pformatetcIn, STGMEDIUM *pmedium )
{
// is data is in our format?
HRESULT hr = QueryGetData( pformatetcIn );
if ( hr != S_OK )
return hr;
int cf = pformatetcIn->cfFormat;
pmedium->tymed = TYMED_HGLOBAL;
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c ; c = all.next() ) {
const char * mime = c->mimeFor( cf );
if ( mime && m_dragObj->provides( mime ) ) {
QByteArray ba = m_dragObj->encodedData( mime );
ba = c->convertFromMime( ba, mime, cf );
HGLOBAL hGlobal = GlobalAlloc ( GMEM_MOVEABLE | GMEM_SHARE, ba.size() );
if ( !hGlobal )
return E_OUTOFMEMORY;
memcpy ( GlobalLock ( hGlobal ), ba.data(), ba.size() );
GlobalUnlock ( hGlobal );
pmedium->hGlobal = hGlobal;
pmedium->pUnkForRelease = NULL;
return S_OK;
}
}
return E_UNEXPECTED;
}
STDMETHODIMP QOleDataObject::GetDataHere( FORMATETC *pformatetc, STGMEDIUM *pmedium )
{
// is data is in our format?
HRESULT hr = QueryGetData( pformatetc );
if ( hr != S_OK )
return hr;
if ( pmedium->tymed != TYMED_HGLOBAL )
return DV_E_TYMED;
if ( !pmedium->hGlobal )
return STG_E_MEDIUMFULL;
HGLOBAL hGlobal = pmedium->hGlobal;
uint size = GlobalSize( hGlobal );
int cf = pformatetc->cfFormat;
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c ; c = all.next() ) {
const char * mime = c->mimeFor( cf );
if ( mime && m_dragObj->provides( mime ) ) {
QByteArray ba = m_dragObj->encodedData( mime );
if ( ba.size() > size )
return STG_E_MEDIUMFULL;
memcpy ( GlobalLock ( hGlobal ), ba.data(), ba.size() );
GlobalUnlock ( hGlobal );
return S_OK;
}
}
return E_UNEXPECTED;
}
STDMETHODIMP QOleDataObject::EnumFormatEtc( DWORD dwDir, IEnumFORMATETC **ppenumFormatEtc )
{
if ( dwDir == DATADIR_SET )
return E_NOTIMPL;
int count = 0;
while ( m_dragObj->format( count ) )
count++;
int *formats = new int[ count ];
for ( int i = 0; i < count; i++ ) {
const char *mime = m_dragObj->format( i );
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c ; c = all.next() ) {
int cf = c->cfFor( mime );
if ( cf ) {
formats[ i ] = cf;
break;
}
}
}
qIEnumFORMATETC *pEnum = new qIEnumFORMATETC( formats, count );
pEnum->AddRef();
*ppenumFormatEtc = pEnum;
delete[] formats;
return ResultFromScode( S_OK );
}
void KSnapshot::slotDragSnapshot()
{
QDragObject *drobj = new QImageDrag(snapshot.convertToImage(), this);
Q_CHECK_PTR(drobj);
drobj->setPixmap(mainWidget->preview());
drobj->dragCopy();
}
void mousePressEvent(QMouseEvent *e) {
if(e->button() == LeftButton) {
if(labeltype == Des)
return;
QDragObject *drobj = 0;
if(pixmap()) { // 如果有圖片
// 產生QDragObject
drobj = new QImageDrag(pixmap()->convertToImage(), this);
QPixmap pm;
// 產生縮圖
pm.convertFromImage(
pixmap()->convertToImage().smoothScale(25, 25));
// 拖曳時的顯示圖形與游標位移
drobj->setPixmap(pm, QPoint(-14, -20));
}
else if(text()) { // 如果有文字
drobj = new QTextDrag(text(), this);
drobj->setPixmap(QPixmap("text.gif"), QPoint(-25, -15));
}
// ?#125;始拖放動作
if(drobj)
drobj->dragCopy();
}
}
void DragListBox::mouseMoveEvent( QMouseEvent * )
{
if ( dragging ) {
QDragObject *drag = new QTextDrag( currentText(), this );
drag->dragMove();
dragging = FALSE;
}
}
void TextShow::startDrag()
{
QDragObject *drag = new QTextDrag(selectedText(), viewport());
if ( isReadOnly() ) {
drag->dragCopy();
} else {
if ( drag->drag() && QDragObject::target() != this && QDragObject::target() != viewport() )
removeSelectedText();
}
}
QDragObject *KNCollectionView::dragObject()
{
KFolderTreeItem *item = static_cast<KFolderTreeItem *>
(itemAt(viewport()->mapFromGlobal(QCursor::pos())));
if(item && item->protocol() == KFolderTreeItem::Local && item->type() == KFolderTreeItem::Other)
{
QDragObject *d = new QStoredDrag("x-knode-drag/folder", viewport());
d->setPixmap(SmallIcon("folder"));
return d;
}
return 0;
}
// Start a drag.
void QsciScintillaQt::StartDrag()
{
inDragDrop = ddDragging;
QDragObject *dobj = new QTextDrag(textRange(&drag), qsb->viewport());
// Remove the dragged text if it was a move to another widget or
// application.
if (dobj->drag() && dobj->target() != qsb->viewport())
ClearSelection();
SetDragPosition(QSCI_SCI_NAMESPACE(SelectionPosition)());
inDragDrop = ddNone;
}
void DropSite::mousePressEvent( QMouseEvent * /*e*/ )
{
QDragObject *d;
if ( pixmap() ) {
d = new QImageDrag( pixmap()->convertToImage(), this );
QPixmap pm;
pm.convertFromImage(pixmap()->convertToImage().smoothScale(
pixmap()->width()/3,pixmap()->height()/3));
d->setPixmap(pm,QPoint(-5,-7));
} else {
d = new QTextDrag( text(), this );
}
d->dragCopy();
}
QDragObject* KonqSidebarTree::dragObject()
{
KonqSidebarTreeItem* item = static_cast<KonqSidebarTreeItem *>( selectedItem() );
if ( !item )
return 0;
QDragObject* drag = item->dragObject( viewport(), false );
if ( !drag )
return 0;
const QPixmap *pix = item->pixmap(0);
if ( pix && drag->pixmap().isNull() )
drag->setPixmap( *pix );
return drag;
}
STDMETHODIMP QOleDataObject::QueryGetData( FORMATETC *pformatetc )
{
#ifdef DEBUG_QDND_SRC
qDebug( "QOleDataObject::QueryGetData( %p )", pformatetc );
#endif
if ( !pformatetc ) {
return E_INVALIDARG;
}
if ( pformatetc->lindex != -1 ) {
return DV_E_LINDEX;
}
if ( pformatetc->dwAspect != DVASPECT_CONTENT ) {
return DV_E_DVASPECT;
}
int tymed = pformatetc->tymed;
/* Currently we only support HGLOBAL */
if ( !( tymed & TYMED_HGLOBAL ) ) {
return DV_E_TYMED;
}
int cf = pformatetc->cfFormat;
QPtrList<QWindowsMime> all = QWindowsMime::all();
for ( QWindowsMime * c = all.first(); c ; c = all.next() ) {
const char * mime = c->mimeFor( cf );
if ( mime && m_dragObj->provides( mime ) ) {
return S_OK;
}
}
return DV_E_FORMATETC;
}
/*! mouseMoveEvent - mouse move on the list box */
void DDListBox::mouseMoveEvent( QMouseEvent * )
{
if (count() == max_items && max_items != 0 && flag)
{
for (unsigned int i = 0; i < count(); i++)
changeItem( QPixmap( green_icon ) , text(i) , i);
flag = false;
}
if ( dragging && item(currentItem())->isSelectable() )
{
QDragObject *d = new QTextDrag( currentText() , this );
d->dragCopy(); // do NOT delete d.
dragging = FALSE;
unsigned int current = currentItem();
if (count() == max_items && max_items != 0)
{
char s[100];
strcpy(s, currentText());
char * traits;
traits = strtok(s," ");
traits = strtok(NULL, " ");
traits = strtok(NULL, " ");
traits = strtok(NULL, " ");
for (unsigned int i = 0; i < max_items; i++)
{
char s_i[100];
strcpy(s_i, text(i));
char * traits_i;
traits_i = strtok(s_i," ");
traits_i = strtok(NULL, " ");
traits_i = strtok(NULL, " ");
traits_i = strtok(NULL, " ");
bool b = (strcmp(traits,traits_i) == 0);
if (!b && i != current )
{
changeItem( QPixmap( white_icon ) , text(i) , i);
item(i)->setSelectable( b );
}
}
}
removeItem ( current );
}
}
void Summary::mouseMoveEvent(QMouseEvent *event)
{
if((event->state() & LeftButton) &&
(event->pos() - mDragStartPoint).manhattanLength() > 4)
{
QDragObject *drag = new QTextDrag("", this, "SummaryWidgetDrag");
QPixmap pm = QPixmap::grabWidget(this);
if(pm.width() > 300)
pm = pm.convertToImage().smoothScale(300, 300, QImage::ScaleMin);
QPainter painter;
painter.begin(&pm);
painter.setPen(Qt::gray);
painter.drawRect(0, 0, pm.width(), pm.height());
painter.end();
drag->setPixmap(pm);
drag->dragMove();
}
else
QWidget::mouseMoveEvent(event);
}
void KstViewWidget::leaveEvent(QEvent *e) {
//kstdDebug() << "Leave event" << endl;
QWidget::leaveEvent(e);
if (_view->viewMode() != KstTopLevelView::DisplayMode) {
if (_menu) {
return;
}
if (!_view->tracking()) {
//kstdDebug() << "Not tracking" << endl;
_view->clearFocus();
} else {
//kstdDebug() << "Tracking" << endl;
if (_view->trackingIsMove() && _dragEnabled) {
QDragObject *d = dragObject();
if (d) {
// First cancel any operations
_view->cancelMouseOperations();
_view->paint(KstPainter::P_PAINT);
d->drag();
}
}
}
}
}
static QByteArray qt_xdnd_obtain_data( const char * format )
{
QByteArray result;
QWidget* w;
if ( qt_xdnd_dragsource_xid && qt_xdnd_source_object &&
(w=QWidget::find( qt_xdnd_dragsource_xid ))
&& (!w->isDesktop() || w->acceptDrops()) )
{
QDragObject * o = qt_xdnd_source_object;
if ( o->provides( format ) )
result = o->encodedData(format);
return result;
}
Atom * a = qt_xdnd_str_to_atom( format );
if ( !a || !*a )
return result;
if ( !qt_xdnd_target_data )
qt_xdnd_target_data = new QIntDict<QByteArray>( 17 );
if ( qt_xdnd_target_data->find( (int)*a ) ) {
result = *(qt_xdnd_target_data->find( (int)*a ));
} else {
if ( XGetSelectionOwner( qt_xdisplay(),
qt_xdnd_selection ) == None )
return result; // should never happen?
QWidget* tw = qt_xdnd_current_widget;
if ( !tw || qt_xdnd_current_widget->isDesktop() ) {
tw = new QWidget;
}
XConvertSelection( qt_xdisplay(),
qt_xdnd_selection, *a,
qt_xdnd_selection,
tw->winId(), CurrentTime );
XFlush( qt_xdisplay() );
XEvent xevent;
bool got=qt_xclb_wait_for_event( qt_xdisplay(),
tw->winId(),
SelectionNotify, &xevent, 5000);
if ( got ) {
Atom type;
if ( qt_xclb_read_property( qt_xdisplay(),
tw->winId(),
qt_xdnd_selection, TRUE,
&result, 0, &type, 0, FALSE ) ) {
if ( type == qt_incr_atom ) {
int nbytes = result.size() >= 4 ? *((int*)result.data()) : 0;
result = qt_xclb_read_incremental_property( qt_xdisplay(),
tw->winId(),
qt_xdnd_selection,
nbytes, FALSE );
} else if ( type != *a ) {
// (includes None) debug( "Qt clipboard: unknown atom %ld", type);
}
if ( type != None )
qt_xdnd_target_data->insert( (int)((long)a), new QByteArray(result) );
}
}
if ( !qt_xdnd_current_widget || qt_xdnd_current_widget->isDesktop() ) {
delete tw;
}
}
return result;
}
//! [0]
void MyQt3Widget::customStartDragFunction()
{
QDragObject *d = new QTextDrag( myHighlightedText(), this );
d->dragCopy();
// do NOT delete d.
}
void Test::initiateDrag( QWidget *w )
{
QDragObject *d = new QTextDrag( mWidget->label( mWidget->indexOf( w ) ), this );
d->dragCopy(); // do NOT delete d.
}
