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Working, but drawing is not perfect

This commit is contained in:
Damjan Adamic 2014-04-20 13:21:28 +02:00
parent 1f6e5544b8
commit 3df9fcb67a
4 changed files with 170 additions and 11 deletions

View file

@ -8,8 +8,10 @@ MixersList::MixersList(QWidget *parent, bool expo) :
setContextMenuPolicy(Qt::CustomContextMenu);
setSelectionMode(QAbstractItemView::SingleSelection);
setDragEnabled(true);
setAcceptDrops(true);
//setDragDropMode(QAbstractItemView::InternalMove);
viewport()->setAcceptDrops(true);
setDropIndicatorShown(true);
setItemDelegate(new MixersDelegate(parent));
}
void MixersList::keyPressEvent(QKeyEvent *event)
@ -19,6 +21,7 @@ void MixersList::keyPressEvent(QKeyEvent *event)
bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction action )
{
qDebug() << "MixersList::dropMimeData() " << index << data->formats();
QByteArray dropData = data->data("application/x-qabstractitemmodeldatalist");
QDataStream stream(&dropData, QIODevice::ReadOnly);
QByteArray qba;
@ -31,8 +34,8 @@ bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction
QList<QVariant> lsVars;
lsVars = v.values();
QString itemString = lsVars.at(0).toString();
qba.append(lsVars.at(1).toByteArray().mid(1));
qba.append(lsVars.last().toByteArray().mid(1));
qDebug() << "MixersList::dropMimeData() added data " << lsVars;
if(itemString.isEmpty()) {};
}
@ -52,3 +55,130 @@ bool MixersList::dropMimeData( int index, const QMimeData * data, Qt::DropAction
}
void MixersList::mousePressEvent(QMouseEvent *event)
{
qDebug() << "MixersList::mousePressEvent" ;
QListWidgetItem *item = currentItem();
if (item) {
qDebug() << "MixersList::mousePressEvent" << item->text();
}
if (event->button() == Qt::LeftButton)
{
//startPos = event->pos();
}
QListWidget::mousePressEvent(event);
}
#define QFIXED_MAX (INT_MAX/256)
QRect __textLayoutBounds(const QStyleOptionViewItemV2 &option)
{
QRect rect = option.rect;
const bool wrapText = option.features & QStyleOptionViewItemV2::WrapText;
switch (option.decorationPosition) {
case QStyleOptionViewItem::Left:
case QStyleOptionViewItem::Right:
rect.setWidth(wrapText && rect.isValid() ? rect.width() : (QFIXED_MAX));
break;
case QStyleOptionViewItem::Top:
case QStyleOptionViewItem::Bottom:
rect.setWidth(wrapText ? option.decorationSize.width() : (QFIXED_MAX));
break;
}
return rect;
}
void MixersDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
//Q_D(const QItemDelegate);
Q_ASSERT(index.isValid());
QStyleOptionViewItemV4 opt = setOptions(index, option);
//qDebug() << "MixersDelegate::paint" << opt.rect;
const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(&option);
opt.features = v2 ? v2->features
: QStyleOptionViewItemV2::ViewItemFeatures(QStyleOptionViewItemV2::None);
const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option);
opt.locale = v3 ? v3->locale : QLocale();
opt.widget = v3 ? v3->widget : 0;
// prepare
painter->save();
if (false /*d->clipPainting*/)
painter->setClipRect(opt.rect);
// get the data and the rectangles
QVariant value;
QString text;
QRect displayRect;
value = index.data(Qt::DisplayRole);
if (value.isValid() && !value.isNull()) {
text = value.toString();
displayRect = textRectangle(painter, __textLayoutBounds(opt), opt.font, text);
}
QRect checkRect;
Qt::CheckState checkState = Qt::Unchecked;
value = index.data(Qt::CheckStateRole);
if (value.isValid()) {
checkState = static_cast<Qt::CheckState>(value.toInt());
checkRect = check(opt, opt.rect, value);
}
// do the layout
QRect dummy;
doLayout(opt, &checkRect, &dummy, &displayRect, false);
// draw the item
drawBackground(painter, opt, index);
drawCheck(painter, opt, checkRect, checkState);
//drawDecoration(painter, opt, decorationRect, pixmap);
drawDisplay(painter, opt, displayRect, text);
drawFocus(painter, opt, displayRect);
// done
painter->restore();
}
void MixersDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
const QRect &rect, const QString &text) const
{
painter->save();
QTextDocument doc;
doc.setHtml(text);
doc.setDefaultFont(option.font);
painter->translate(rect.left(), rect.top());
QRect clip(0, 0, rect.width(), rect.height());
doc.drawContents(painter, clip);
painter->restore();
}
// QSize MixersDelegate::sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const
// {
// QStyleOptionViewItemV4 options = option;
// initStyleOption(&options, index);
// QTextDocument doc;
// doc.setHtml(options.text);
// doc.setDefaultFont(option.font);
// doc.setTextWidth(options.rect.width());
// return QSize(doc.idealWidth(), doc.size().height());
// }

View file

@ -22,6 +22,23 @@ class MixersList : public QListWidget
QPoint dragStartPosition;
bool expo;
protected:
void mousePressEvent(QMouseEvent *event);
};
class MixersDelegate : public QItemDelegate
{
Q_OBJECT
public:
inline MixersDelegate(QObject *parent) : QItemDelegate(parent) {}
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,
const QRect &rect, const QString &text) const ;
//QSize sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const;
};
#endif // MIXERSLIST_H

View file

@ -79,7 +79,7 @@ void MixesPanel::update()
curDest++;
AddMixerLine(-curDest);
}
if (AddMixerLine(i)) {
if (AddMixerLine(i, md)) {
curDest++;
}
}
@ -92,12 +92,17 @@ void MixesPanel::update()
#define MIX_ROW_HEIGHT_INCREASE 8 //how much space is added above mixer row (for new channel), if 0 space adding is disabled
bool MixesPanel::AddMixerLine(int dest)
bool MixesPanel::AddMixerLine(int dest, const MixData * md)
{
bool new_ch;
QString str = getMixerText(dest, &new_ch);
QListWidgetItem *itm = new QListWidgetItem();
itm->setData(Qt::UserRole, QByteArray(1, (quint8)dest));
QByteArray qba(1, (quint8)dest);
if (md) {
qba.append((const char*)md, sizeof(MixData));
//qDebug() << "appended mixdata for dest: " << dest;
}
itm->setData(Qt::UserRole, qba);
#if MIX_ROW_HEIGHT_INCREASE > 0
if ((new_ch && (dest > 0)) || (dest < 0)) {
//increase size of this row
@ -107,8 +112,11 @@ bool MixesPanel::AddMixerLine(int dest)
}
#endif
MixerlistWidget->addItem(itm);
MixerlistWidget->setItemWidget(itm, getMixerWidget(str));
// qDebug() << "MixesPanel::AddMixerLine(): " << str;
itm->setText(str);
// if ((new_ch && (dest > 0)) || (dest < 0)) {
// MixerlistWidget->setItemWidget(itm, getMixerWidget(str));
// }
//qDebug() << "MixesPanel::AddMixerLine(): " << str;
return new_ch;
}
@ -121,6 +129,8 @@ QWidget * MixesPanel::getMixerWidget(const QString & mixer_text)
QString formated_str(mixer_text);
formated_str.replace(" ", "&nbsp;");
l->setText(formated_str);
l->setAcceptDrops(true);
//l->setAutoFillBackground(true);
return l;
}
@ -347,6 +357,7 @@ void MixesPanel::mixersCopy()
void MixesPanel::pasteMixerMimeData(const QMimeData * mimeData, int destIdx)
{
qDebug() << "void MixesPanel::pasteMixerMimeData" << mimeData->formats();
if(mimeData->hasFormat("application/x-companion-mix")) {
int idx; // mixer index
int dch;
@ -427,8 +438,8 @@ void MixesPanel::mixerHighlight()
for(int i=0; i<MixerlistWidget->count(); i++) {
int t = MixerlistWidget->item(i)->data(Qt::UserRole).toByteArray().at(0);
bool dummy;
QWidget *w = getMixerWidget(getMixerText(t, &dummy));
MixerlistWidget->setItemWidget(MixerlistWidget->item(i), w);
//QWidget *w = getMixerWidget();
MixerlistWidget->item(i)->setText(getMixerText(t, &dummy));
}
}
@ -483,6 +494,7 @@ void MixesPanel::mixerlistWidget_customContextMenuRequested(QPoint pos)
void MixesPanel::mimeMixerDropped(int index, const QMimeData *data, Qt::DropAction /*action*/)
{
int idx= MixerlistWidget->item(index > 0 ? index-1 : 0)->data(Qt::UserRole).toByteArray().at(0);
qDebug() << "MixesPanel::mimeMixerDropped()" << index << data;
pasteMixerMimeData(data, idx);
}

View file

@ -53,7 +53,7 @@ class MixesPanel : public ModelPanel
QList<int> createMixListFromSelected();
void setSelectedByMixList(QList<int> list);
QString getChannelLabel(int curDest);
bool AddMixerLine(int dest);
bool AddMixerLine(int dest, const MixData * md = 0);
QString getMixerText(int dest, bool * new_ch);
QWidget * getMixerWidget(const QString & mixer_text);
};