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first successfull attempt to visualize selection on message body

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This commit is contained in:
Blue 2022-05-01 23:19:52 +03:00
parent c3a45ec58c
commit 0340db7f2f
Signed by untrusted user: blue
GPG key ID: 9B203B252A63EE38
4 changed files with 92 additions and 42 deletions
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70
ui/widgets/messageline/messagedelegate.cpp
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@ -56,7 +56,9 @@ MessageDelegate::MessageDelegate(QObject* parent):
pencilIcons(new std::map<QString, QLabel*>()),
previews(new std::map<QString, Preview*>()),
idsToKeep(new std::set<QString>()),
clearingWidgets(false)
clearingWidgets(false),
currentId(""),
selection(0, 0)
{
bodyRenderer->setDocumentMargin(0);
@ -438,6 +440,37 @@ bool MessageDelegate::isAnchorHovered(const QPoint& point, const QModelIndex& in
return anchor.size() > 0;
}
bool MessageDelegate::mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint)
{
QVariant vi = index.data(Models::MessageFeed::Bulk);
Models::FeedItem data = qvariant_cast<Models::FeedItem>(vi);
if (data.text.size() > 0) {
QRect localHint = getHoveredMessageBodyRect(index, data, sizeHint);
if (localHint.contains(start)) {
QPoint translated = start - localHint.topLeft();
bodyRenderer->setHtml(Shared::processMessageBody(data.text));
bodyRenderer->setTextWidth(localHint.size().width());
selection.first = bodyRenderer->documentLayout()->hitTest(translated, Qt::HitTestAccuracy::FuzzyHit);
selection.second = bodyRenderer->documentLayout()->hitTest(end - localHint.topLeft(), Qt::HitTestAccuracy::FuzzyHit);
currentId = data.id;
return true;
}
}
return false;
}
QString MessageDelegate::clearSelection()
{
QString lastSelectedId = currentId;
currentId = "";
selection = std::pair(0, 0);
return lastSelectedId;
}
void MessageDelegate::initializeFonts(const QFont& font)
{
bodyFont = font;
@ -664,32 +697,21 @@ int MessageDelegate::paintBody(const Models::FeedItem& data, QPainter* painter,
if (data.text.size() > 0) {
bodyRenderer->setHtml(Shared::processMessageBody(data.text));
bodyRenderer->setTextWidth(option.rect.size().width());
painter->setBackgroundMode(Qt::BGMode::OpaqueMode);
painter->save();
// QTextCursor cursor(bodyRenderer);
// cursor.setPosition(2, QTextCursor::KeepAnchor);
painter->translate(option.rect.topLeft());
// QTextFrameFormat format = bodyRenderer->rootFrame()->frameFormat();
// format.setBackground(option.palette.brush(QPalette::Active, QPalette::Highlight));
// bodyRenderer->rootFrame()->setFrameFormat(format);
if (data.id == currentId) {
QTextCursor cursor(bodyRenderer);
cursor.setPosition(selection.first, QTextCursor::MoveAnchor);
cursor.setPosition(selection.second, QTextCursor::KeepAnchor);
QTextCharFormat format = cursor.charFormat();
format.setBackground(option.palette.color(QPalette::Active, QPalette::Highlight));
format.setForeground(option.palette.color(QPalette::Active, QPalette::HighlightedText));
cursor.setCharFormat(format);
}
bodyRenderer->drawContents(painter);
// QColor c = option.palette.color(QPalette::Active, QPalette::Highlight);
// QTextBlock b = bodyRenderer->begin();
// QTextBlockFormat format = b.blockFormat();
// format.setBackground(option.palette.brush(QPalette::Active, QPalette::Highlight));
// format.setProperty(QTextFormat::BackgroundBrush, option.palette.brush(QPalette::Active, QPalette::Highlight));
// QTextCursor cursor(bodyRenderer);
// cursor.setBlockFormat(format);
// b = bodyRenderer->begin();
// while (b.isValid() > 0) {
// QTextLayout* lay = b.layout();
// QTextLayout::FormatRange range;
// range.format = b.charFormat();
// range.start = 0;
// range.length = 2;
// lay->draw(painter, option.rect.topLeft(), {range});
// b = b.next();
// }
painter->restore();
QSize bodySize(std::ceil(bodyRenderer->idealWidth()), std::ceil(bodyRenderer->size().height()));