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Terminal: Support clipboard selection

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Change-Id: Ief59f9e21782e0dd0292f3625e35c1742cf9b3bc
Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Marcus Tillmanns
2023-03-17 11:01:49 +01:00
parent 81bd8e3bd8
commit 5972452484
2 changed files with 74 additions and 51 deletions
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120
src/plugins/terminal/terminalwidget.cpp
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@@ -273,10 +273,8 @@ void TerminalWidget::setupSurface()
&Internal::TerminalSurface::invalidated,
this,
[this](const QRect &rect) {
if (setSelection(std::nullopt))
updateViewport();
else
updateViewport(gridToViewport(rect));
setSelection(std::nullopt);
updateViewport(gridToViewport(rect));
});
connect(m_surface.get(),
&Internal::TerminalSurface::cursorChanged,
@@ -300,8 +298,8 @@ void TerminalWidget::setupSurface()
});
connect(m_surface.get(), &Internal::TerminalSurface::altscreenChanged, this, [this] {
updateScrollBars();
updateViewport();
setSelection(std::nullopt);
if (!setSelection(std::nullopt))
updateViewport();
});
connect(m_surface.get(), &Internal::TerminalSurface::unscroll, this, [this] {
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
@@ -385,21 +383,7 @@ QAction &TerminalWidget::zoomOutAction()
void TerminalWidget::copyToClipboard() const
{
if (!m_selection)
return;
Internal::CellIterator it = m_surface->iteratorAt(m_selection->start);
Internal::CellIterator end = m_surface->iteratorAt(m_selection->end);
std::u32string s;
for (; it != end; ++it) {
if (it.gridPos().x() == 0 && !s.empty())
s += U'\n';
if (*it != 0)
s += *it;
}
const QString text = QString::fromUcs4(s.data(), static_cast<int>(s.size()));
QString text = textFromSelection();
qCDebug(selectionLog) << "Copied to clipboard: " << text;
@@ -420,7 +404,6 @@ void TerminalWidget::pasteFromClipboard()
void TerminalWidget::clearSelection()
{
setSelection(std::nullopt);
updateViewport();
m_surface->sendKey(Qt::Key_Escape);
}
@@ -472,19 +455,59 @@ void TerminalWidget::flushVTerm(bool force)
}
}
QString TerminalWidget::textFromSelection() const
{
if (!m_selection)
return {};
Internal::CellIterator it = m_surface->iteratorAt(m_selection->start);
Internal::CellIterator end = m_surface->iteratorAt(m_selection->end);
std::u32string s;
for (; it != end; ++it) {
if (it.gridPos().x() == 0 && !s.empty())
s += U'\n';
if (*it != 0)
s += *it;
}
return QString::fromUcs4(s.data(), static_cast<int>(s.size()));
}
bool TerminalWidget::setSelection(const std::optional<Selection> &selection)
{
if (selection.has_value() != m_selection.has_value()) {
qCDebug(selectionLog) << "Copy enabled:" << selection.has_value();
m_copyAction.setEnabled(selection.has_value());
if (selectionLog().isDebugEnabled())
updateViewport();
if (selection == m_selection) {
return false;
}
if (selection.has_value() && m_selection.has_value()) {
if (*selection == *m_selection)
return false;
}
/*if (m_selection && m_selection->final) {
QClipboard *clipboard = QApplication::clipboard();
if (clipboard->supportsSelection()) {
qCDebug(selectionLog) << "Clearing selection from clipboard";
clipboard->clear(QClipboard::Selection);
}
}*/
m_selection = selection;
if (m_selection && m_selection->final) {
qCDebug(selectionLog) << "Copy enabled:" << selection.has_value();
m_copyAction.setEnabled(selection.has_value());
QClipboard *clipboard = QApplication::clipboard();
if (clipboard->supportsSelection()) {
QString text = textFromSelection();
qCDebug(selectionLog) << "Selection set to clipboard: " << text;
clipboard->setText(text, QClipboard::Selection);
}
}
if (!selectionLog().isDebugEnabled())
updateViewport();
return true;
}
@@ -922,8 +945,7 @@ void TerminalWidget::keyPressEvent(QKeyEvent *event)
}
if (actionTriggered) {
if (setSelection(std::nullopt))
updateViewport();
setSelection(std::nullopt);
return;
}
@@ -1053,14 +1075,17 @@ void TerminalWidget::mousePressEvent(QMouseEvent *event)
if (event->button() == Qt::LeftButton) {
if (std::chrono::system_clock::now() - m_lastDoubleClick < 500ms) {
m_selectLineMode = true;
m_selection->start = m_surface->gridToPos(
{0, m_surface->posToGrid(m_selection->start).y()});
m_selection->end = m_surface->gridToPos(
{m_surface->liveSize().width(), m_surface->posToGrid(m_selection->end).y()});
const Selection newSelection{m_surface->gridToPos(
{0, m_surface->posToGrid(m_selection->start).y()}),
m_surface->gridToPos(
{m_surface->liveSize().width(),
m_surface->posToGrid(m_selection->end).y()}),
false};
setSelection(newSelection);
} else {
m_selectLineMode = false;
int pos = m_surface->gridToPos(globalToGrid(viewportToGlobal(event->pos())));
setSelection(Selection{pos, pos});
setSelection(Selection{pos, pos, false});
}
event->accept();
updateViewport();
@@ -1068,7 +1093,6 @@ void TerminalWidget::mousePressEvent(QMouseEvent *event)
if (m_selection) {
m_copyAction.trigger();
setSelection(std::nullopt);
updateViewport();
} else {
m_pasteAction.trigger();
}
@@ -1077,7 +1101,7 @@ void TerminalWidget::mousePressEvent(QMouseEvent *event)
void TerminalWidget::mouseMoveEvent(QMouseEvent *event)
{
if (m_selection && event->buttons() & Qt::LeftButton) {
const auto old = m_selection;
Selection newSelection = *m_selection;
int scrollVelocity = 0;
if (event->pos().y() < 0) {
scrollVelocity = (event->pos().y());
@@ -1110,16 +1134,15 @@ void TerminalWidget::mouseMoveEvent(QMouseEvent *event)
start = 0;
if (m_selectLineMode) {
m_selection->start = m_surface->gridToPos({0, m_surface->posToGrid(start).y()});
m_selection->end = m_surface->gridToPos(
newSelection.start = m_surface->gridToPos({0, m_surface->posToGrid(start).y()});
newSelection.end = m_surface->gridToPos(
{m_surface->liveSize().width(), m_surface->posToGrid(newEnd).y()});
} else {
m_selection->start = start;
m_selection->end = newEnd;
newSelection.start = start;
newSelection.end = newEnd;
}
if (old != *m_selection || selectionLog().isDebugEnabled())
updateViewport();
setSelection(newSelection);
} else if (event->modifiers() == Qt::ControlModifier) {
checkLinkAt(event->pos());
} else if (m_linkSelection) {
@@ -1171,10 +1194,10 @@ void TerminalWidget::mouseReleaseEvent(QMouseEvent *event)
m_scrollTimer.stop();
if (m_selection && event->button() == Qt::LeftButton) {
if (m_selection->end - m_selection->start == 0) {
if (m_selection->end - m_selection->start == 0)
setSelection(std::nullopt);
updateViewport();
}
else
setSelection(Selection{m_selection->start, m_selection->end, true});
}
}
@@ -1208,11 +1231,10 @@ void TerminalWidget::mouseDoubleClickEvent(QMouseEvent *event)
{
const auto hit = textAt(event->pos());
setSelection(Selection{hit.start, hit.end});
setSelection(Selection{hit.start, hit.end, true});
m_lastDoubleClick = std::chrono::system_clock::now();
updateViewport();
event->accept();
}