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partial attempt to fix selection in comments tree

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This commit is contained in:
csoler 2020-10-30 23:22:52 +01:00
parent b5cfa46073
commit a053bedca2
4 changed files with 148 additions and 36 deletions
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33
retroshare-gui/src/gui/Posted/PostedListWidgetWithModel.ui
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@ -589,6 +589,23 @@ p, li { white-space: pre-wrap; }
</layout>
</widget>
<customwidgets>
<customwidget>
<class>LineEditClear</class>
<extends>QLineEdit</extends>
<header location="global">gui/common/LineEditClear.h</header>
</customwidget>
<customwidget>
<class>RSTabWidget</class>
<extends>QTabWidget</extends>
<header>gui/common/RSTabWidget.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>RSTreeView</class>
<extends>QTreeView</extends>
<header>gui/common/RSTreeView.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>GxsIdLabel</class>
<extends>QLabel</extends>
@ -599,27 +616,11 @@ p, li { white-space: pre-wrap; }
<extends>QToolButton</extends>
<header>gui/common/SubscribeToolButton.h</header>
</customwidget>
<customwidget>
<class>RSTreeView</class>
<extends>QTreeView</extends>
<header>gui/common/RSTreeView.h</header>
</customwidget>
<customwidget>
<class>LineEditClear</class>
<extends>QLineEdit</extends>
<header>gui/common/LineEditClear.h</header>
</customwidget>
<customwidget>
<class>GxsIdChooser</class>
<extends>QComboBox</extends>
<header>gui/gxs/GxsIdChooser.h</header>
</customwidget>
<customwidget>
<class>RSTabWidget</class>
<extends>QTabWidget</extends>
<header>gui/common/RSTabWidget.h</header>
<container>1</container>
</customwidget>
</customwidgets>
<resources>
<include location="../icons.qrc"/>

128
retroshare-gui/src/gui/gxs/GxsCommentTreeWidget.cpp
View File

@ -28,6 +28,7 @@
#include <QAbstractTextDocumentLayout>
#include <QApplication>
#include <QTextEdit>
#include <QClipboard>
#include <QDateTime>
#include <QMenu>
@ -84,7 +85,7 @@ public:
{
Q_ASSERT(index.isValid());
QStyleOptionViewItemV4 opt = option;
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
// disable default icon
opt.icon = QIcon();
@ -136,11 +137,111 @@ private:
QFontMetricsF qf;
};
GxsCommentTreeWidget::GxsCommentTreeWidget(QWidget *parent)
:QTreeWidget(parent), mTokenQueue(NULL), mRsTokenService(NULL), mCommentService(NULL)
class GxsCommentDelegate: public QStyledItemDelegate
{
// QTreeWidget* widget = this;
public:
GxsCommentDelegate(QFontMetricsF f) : qf(f){}
QSize sizeHint(const QStyleOptionViewItem &/*option*/, const QModelIndex &index) const override
{
return index.data(POST_CELL_SIZE_ROLE).toSize() ;
}
void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &) const override
{
editor->setGeometry(option.rect);
}
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const override
{
if(index.column() == PCITEM_COLUMN_COMMENT)
{
QTextEdit *b = new QTextEdit(parent);
b->setFixedSize(option.rect.size());
b->setAcceptRichText(true);
b->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::LinksAccessibleByMouse);
b->document()->setHtml("<html>"+index.data(Qt::DisplayRole).toString()+"</html>");
std::cerr << "Creating QTextEdit of size " << option.rect.size().width() << " x " << option.rect.size().height() << std::endl;
return b;
}
else
return nullptr;
}
virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
{
if((option.state & QStyle::State_Selected)) // Avoids double display. The selected widget is never exactly the size of the rendered one,
return; // so when selected, we only draw the selected one.
Q_ASSERT(index.isValid());
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
// disable default icon
opt.icon = QIcon();
opt.text = QString();
// draw default item background
if (option.state & QStyle::State_Selected) {
painter->fillRect(option.rect, option.palette.highlight());
} else {
const QWidget *widget = opt.widget;
QStyle *style = widget ? widget->style() : QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, widget);
}
const QRect r = option.rect.adjusted(0,0,-option.decorationSize.width(),0);
QTextDocument td ;
td.setHtml("<html>"+index.data(Qt::DisplayRole).toString()+"</html>");
td.setTextWidth(r.width());
QSizeF s = td.documentLayout()->documentSize();
int m = QFontMetricsF(QFont()).height();
QSize full_area(std::min(r.width(),(int)s.width())+m,std::min(r.height(),(int)s.height())+m);
QPixmap px(full_area.width(),full_area.height());
px.fill(QColor(0,0,0,0));//Transparent background as item background is already paint.
QPainter p(&px) ;
p.setRenderHint(QPainter::Antialiasing);
QPainterPath path ;
path.addRoundedRect(QRectF(m/4.0,m/4.0,s.width()+m/2.0,s.height()+m/2.0),m,m) ;
QPen pen(Qt::gray,m/7.0f);
p.setPen(pen);
p.fillPath(path,QColor::fromHsv( index.data(POST_COLOR_ROLE).toInt()/255.0*360,40,220)); // varies the color according to the post author
p.drawPath(path);
QAbstractTextDocumentLayout::PaintContext ctx;
ctx.clip = QRectF(0,0,s.width(),s.height());
p.translate(QPointF(m/2.0,m/2.0));
td.documentLayout()->draw( &p, ctx );
painter->drawPixmap(r.topLeft(),px);
const_cast<QAbstractItemModel*>(index.model())->setData(index,px.size(),POST_CELL_SIZE_ROLE);
}
private:
QFontMetricsF qf;
};
void GxsCommentTreeWidget::mouseMoveEvent(QMouseEvent *e)
{
QModelIndex idx = indexAt(e->pos());
if(idx != selectionModel()->currentIndex())
selectionModel()->setCurrentIndex(idx,QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
QTreeView::mouseMoveEvent(e);
}
GxsCommentTreeWidget::GxsCommentTreeWidget(QWidget *parent)
:QTreeWidget(parent), mTokenQueue(NULL), mRsTokenService(NULL), mCommentService(NULL)
{
setVerticalScrollMode(ScrollPerPixel);
setContextMenuPolicy(Qt::CustomContextMenu);
RSElidedItemDelegate *itemDelegate = new RSElidedItemDelegate(this);
@ -148,11 +249,17 @@ GxsCommentTreeWidget::GxsCommentTreeWidget(QWidget *parent)
setItemDelegate(itemDelegate);
setWordWrap(true);
setItemDelegateForColumn(PCITEM_COLUMN_COMMENT,new MultiLinesCommentDelegate(QFontMetricsF(font()))) ;
setMouseTracking(true); // for auto selection
setSelectionBehavior(QAbstractItemView::SelectRows);
//setItemDelegateForColumn(PCITEM_COLUMN_COMMENT,new MultiLinesCommentDelegate(QFontMetricsF(font()))) ;
setItemDelegateForColumn(PCITEM_COLUMN_COMMENT,new GxsCommentDelegate(QFontMetricsF(font()))) ;
commentsRole = new RSTreeWidgetItemCompareRole;
commentsRole->setRole(PCITEM_COLUMN_DATE, ROLE_SORT);
setEditTriggers(QAbstractItemView::CurrentChanged | QAbstractItemView::SelectedClicked);
mUseCache = false;
// QFont font = QFont("ARIAL", 10);
@ -642,14 +749,14 @@ void GxsCommentTreeWidget::insertComments(const std::vector<RsGxsComment>& comme
}
text = QString::fromUtf8(comment.mComment.c_str());
item->setText(PCITEM_COLUMN_COMMENT, text);
item->setToolTip(PCITEM_COLUMN_COMMENT, text);
item->setText(PCITEM_COLUMN_COMMENT, text);
item->setToolTip(PCITEM_COLUMN_COMMENT, text);
RsGxsId authorId = comment.mMeta.mAuthorId;
RsGxsId authorId = comment.mMeta.mAuthorId;
item->setId(authorId, PCITEM_COLUMN_AUTHOR, false);
item->setData(PCITEM_COLUMN_COMMENT,POST_COLOR_ROLE,QVariant(authorId.toByteArray()[1]));
text = QString::number(comment.mScore);
text = QString::number(comment.mScore);
item->setText(PCITEM_COLUMN_SCORE, text);
text = QString::number(comment.mUpVotes);
@ -670,6 +777,7 @@ void GxsCommentTreeWidget::insertComments(const std::vector<RsGxsComment>& comme
text = QString::fromUtf8(comment.mMeta.mAuthorId.toStdString().c_str());
item->setText(PCITEM_COLUMN_AUTHORID, text);
item->setFlags(Qt::ItemIsEditable | item->flags());// allows to call createEditor() in the delegate
addItem(comment.mMeta.mMsgId, comment.mMeta.mParentId, item);
}

2
retroshare-gui/src/gui/gxs/GxsCommentTreeWidget.h
View File

@ -49,6 +49,8 @@ public:
void setUseCache(bool b) { mUseCache = b ;}
protected:
void mouseMoveEvent(QMouseEvent *e) override;
/* to be overloaded */
virtual void service_requestComments(const RsGxsGroupId &group_id, const std::set<RsGxsMessageId> &msgIds);
virtual void service_loadThread(const uint32_t &token);

21
retroshare-gui/src/gui/gxschannels/GxsChannelPostsWidgetWithModel.ui
View File

@ -612,6 +612,17 @@ p, li { white-space: pre-wrap; }
</action>
</widget>
<customwidgets>
<customwidget>
<class>LineEditClear</class>
<extends>QLineEdit</extends>
<header location="global">gui/common/LineEditClear.h</header>
</customwidget>
<customwidget>
<class>RSTreeView</class>
<extends>QTreeView</extends>
<header>gui/common/RSTreeView.h</header>
<container>1</container>
</customwidget>
<customwidget>
<class>GxsIdLabel</class>
<extends>QLabel</extends>
@ -622,16 +633,6 @@ p, li { white-space: pre-wrap; }
<extends>QToolButton</extends>
<header>gui/common/SubscribeToolButton.h</header>
</customwidget>
<customwidget>
<class>RSTreeView</class>
<extends>QTreeView</extends>
<header>gui/common/RSTreeView.h</header>
</customwidget>
<customwidget>
<class>LineEditClear</class>
<extends>QLineEdit</extends>
<header>gui/common/LineEditClear.h</header>
</customwidget>
<customwidget>
<class>GxsCommentDialog</class>
<extends>QWidget</extends>