kde/dolphin
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Draw dragged items. Better conditions (more accurate to our behavior, hey ! we have columnview too...)

Browse source 
CCMAIL: peter.penz@gmx.at

svn path=/trunk/KDE/kdebase/apps/; revision=680283
This commit is contained in:
Rafael Fernández López 2007-06-25 20:21:35 +00:00
parent 35aa74a769
commit ddf4f82ace
3 changed files with 72 additions and 17 deletions
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81
dolphin/src/klistview.cpp
View file

@ -79,6 +79,7 @@ KListView::Private::Private(KListView *listView)
: listView(listView)
, itemCategorizer(0)
, mouseButtonPressed(false)
, isDragging(false)
, proxyModel(0)
, lastIndex(QModelIndex())
{
@ -392,6 +393,22 @@ void KListView::Private::updateScrollbars()
listView->verticalScrollBar()->setRange(0, lastItemBottom);
}
void KListView::Private::drawDraggedItems(QPainter *painter)
{
QStyleOptionViewItemV3 option = listView->viewOptions();
option.state &= ~QStyle::State_MouseOver;
foreach (const QModelIndex &index, listView->selectionModel()->selectedIndexes())
{
int dx = mousePosition.x() - initialPressPosition.x();
int dy = mousePosition.y() - initialPressPosition.y();
option.rect = visualRect(index);
option.rect.adjust(dx, dy, dx, dy);
listView->itemDelegate(index)->paint(painter, option, index);
}
}
//==============================================================================
@ -438,7 +455,7 @@ void KListView::setModel(QAbstractItemModel *model)
QRect KListView::visualRect(const QModelIndex &index) const
{
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return QListView::visualRect(index);
@ -494,7 +511,7 @@ void KListView::setItemCategorizer(KItemCategorizer *itemCategorizer)
QModelIndex KListView::indexAt(const QPoint &point) const
{
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return QListView::indexAt(point);
@ -518,7 +535,7 @@ void KListView::reset()
{
QListView::reset();
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -539,7 +556,7 @@ void KListView::reset()
void KListView::paintEvent(QPaintEvent *event)
{
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
QListView::paintEvent(event);
@ -610,7 +627,7 @@ void KListView::paintEvent(QPaintEvent *event)
}
}
if (d->mouseButtonPressed)
if (d->mouseButtonPressed && !d->isDragging)
{
QPoint start, end, initialPressPosition;
@ -641,6 +658,9 @@ void KListView::paintEvent(QPaintEvent *event)
painter.restore();
}
if (d->isDragging)
d->drawDraggedItems(&painter);
painter.restore();
}
@ -648,7 +668,7 @@ void KListView::resizeEvent(QResizeEvent *event)
{
QListView::resizeEvent(event);
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -664,7 +684,7 @@ void KListView::resizeEvent(QResizeEvent *event)
void KListView::setSelection(const QRect &rect,
QItemSelectionModel::SelectionFlags flags)
{
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
QListView::setSelection(rect, flags);
@ -756,7 +776,7 @@ void KListView::mouseMoveEvent(QMouseEvent *event)
d->mousePosition = event->pos();
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -771,7 +791,7 @@ void KListView::mousePressEvent(QMouseEvent *event)
{
QListView::mousePressEvent(event);
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -799,7 +819,7 @@ void KListView::mouseReleaseEvent(QMouseEvent *event)
d->mouseButtonPressed = false;
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -856,7 +876,7 @@ void KListView::leaveEvent(QEvent *event)
d->hovered = QModelIndex();
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -869,9 +889,36 @@ void KListView::leaveEvent(QEvent *event)
void KListView::startDrag(Qt::DropActions supportedActions)
{
d->mouseButtonPressed = false;
QListView::startDrag(supportedActions);
d->isDragging = false;
d->mouseButtonPressed = false;
}
void KListView::dragMoveEvent(QDragMoveEvent *event)
{
QListView::dragMoveEvent(event);
d->mousePosition = event->pos();
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
}
if (d->mouseButtonPressed)
{
d->isDragging = true;
}
else
{
d->isDragging = false;
}
event->accept();
viewport()->update();
}
void KListView::rowsInserted(const QModelIndex &parent,
@ -880,7 +927,7 @@ void KListView::rowsInserted(const QModelIndex &parent,
{
QListView::rowsInserted(parent, start, end);
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
return;
@ -890,8 +937,8 @@ void KListView::rowsInserted(const QModelIndex &parent,
}
void KListView::rowsInsertedArtifficial(const QModelIndex &parent,
int start,
int end)
int start,
int end)
{
d->elementsInfo.clear();
d->elementsPosition.clear();
@ -1006,7 +1053,7 @@ void KListView::rowsRemoved(const QModelIndex &parent,
void KListView::updateGeometries()
{
if ((viewMode() == KListView::ListMode) || !d->proxyModel ||
if ((viewMode() != KListView::IconMode) || !d->proxyModel ||
!d->itemCategorizer)
{
QListView::updateGeometries();

2
dolphin/src/klistview.h
View file

@ -68,6 +68,8 @@ protected:
virtual void startDrag(Qt::DropActions supportedActions);
virtual void dragMoveEvent(QDragMoveEvent *event);
protected Q_SLOTS:
virtual void rowsInserted(const QModelIndex &parent,
int start,

6
dolphin/src/klistview_p.h
View file

@ -98,6 +98,11 @@ public:
*/
void updateScrollbars();
/**
* This method will draw dragged items
*/
void drawDraggedItems(QPainter *painter);
// Attributes
@ -113,6 +118,7 @@ public:
// Behavior data
bool mouseButtonPressed;
bool isDragging;
QModelIndex hovered;
QPoint initialPressPosition;
QPoint mousePosition;