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Debugger: Enable moving tooltips.

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This commit is contained in:
Friedemann Kleint
2011-02-17 10:57:04 +01:00
parent 608f64f4c5
commit b54e976f91
2 changed files with 97 additions and 6 deletions
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92
src/plugins/debugger/debuggertooltipmanager.cpp
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@@ -91,6 +91,8 @@ static const char functionAttributeC[] = "function";
static const char textPositionAttributeC[] = "position";
static const char textLineAttributeC[] = "line";
static const char textColumnAttributeC[] = "column";
static const char offsetXAttributeC[] = "offset_x";
static const char offsetYAttributeC[] = "offset_y";
static const char engineTypeAttributeC[] = "engine";
static const char dateAttributeC[] = "date";
static const char treeElementC[] = "tree";
@@ -437,7 +439,7 @@ PinnableToolTipWidget::PinnableToolTipWidget(QWidget *parent) :
m_toolButton(new QToolButton),
m_menu(new QMenu)
{
setWindowFlags(Qt::ToolTip | Qt::WindowStaysOnTopHint);
setWindowFlags(Qt::ToolTip);
setAttribute(Qt::WA_DeleteOnClose);
m_mainVBoxLayout->setSizeConstraint(QLayout::SetFixedSize);
@@ -511,6 +513,60 @@ void PinnableToolTipWidget::leaveEvent(QEvent *)
}
}
/* A Label that emits a signal when the user drags for moving the parent
* widget around. */
class DraggableLabel : public QLabel
{
Q_OBJECT
public:
explicit DraggableLabel(QWidget *parent = 0);
signals:
void dragged(const QPoint &d);
protected:
virtual void mousePressEvent(QMouseEvent * event);
virtual void mouseReleaseEvent(QMouseEvent * event);
virtual void mouseMoveEvent(QMouseEvent * event);
private:
QPoint m_moveStartPos;
};
DraggableLabel::DraggableLabel(QWidget *parent) :
QLabel(parent), m_moveStartPos(-1, -1)
{
}
void DraggableLabel::mousePressEvent(QMouseEvent * event)
{
if (event->button() == Qt::LeftButton) {
m_moveStartPos = event->globalPos();
event->accept();
}
QLabel::mousePressEvent(event);
}
void DraggableLabel::mouseReleaseEvent(QMouseEvent * event)
{
if (event->button() == Qt::LeftButton)
m_moveStartPos = QPoint(-1, -1);
QLabel::mouseReleaseEvent(event);
}
void DraggableLabel::mouseMoveEvent(QMouseEvent * event)
{
if (event->buttons() && Qt::LeftButton) {
if (m_moveStartPos != QPoint(-1, -1)) {
const QPoint newPos = event->globalPos();
emit dragged(event->globalPos() - m_moveStartPos);
m_moveStartPos = newPos;
}
event->accept();
QLabel::mouseMoveEvent(event);
}
}
/*!
\class DebuggerToolTipContext
@@ -571,10 +627,12 @@ static inline QString msgReleasedText() { return AbstractDebuggerToolTipWidget::
AbstractDebuggerToolTipWidget::AbstractDebuggerToolTipWidget(QWidget *parent) :
PinnableToolTipWidget(parent),
m_titleLabel(new QLabel), m_engineAcquired(false),
m_titleLabel(new DraggableLabel), m_engineAcquired(false),
m_creationDate(QDate::currentDate())
{
m_titleLabel->setText(msgReleasedText());
m_titleLabel->setMinimumWidth(40); // Ensure a draggable area even if text is empty.
connect(m_titleLabel, SIGNAL(dragged(QPoint)), this, SLOT(slotDragged(QPoint)));
addToolBarWidget(m_titleLabel);
QAction *copyAction = new QAction(tr("Copy"), this);
connect(copyAction, SIGNAL(triggered()), this, SLOT(copy()));
@@ -633,6 +691,12 @@ void AbstractDebuggerToolTipWidget::copy()
clipboard->setText(clipboardText, QClipboard::Clipboard);
}
void AbstractDebuggerToolTipWidget::slotDragged(const QPoint &p)
{
move(pos() + p);
m_offset += p;
}
bool AbstractDebuggerToolTipWidget::positionShow(const QPlainTextEdit *pe)
{
// Figure out new position of tooltip using the text edit.
@@ -650,16 +714,18 @@ bool AbstractDebuggerToolTipWidget::positionShow(const QPlainTextEdit *pe)
}
const QRect plainTextToolTipArea = QRect(pe->cursorRect(cursor).topLeft(), QSize(sizeHint()));
const QRect plainTextArea = QRect(QPoint(0, 0), QPoint(pe->width(), pe->height()));
const QPoint screenPos = pe->mapToGlobal(plainTextToolTipArea.topLeft());
const QPoint screenPos = pe->mapToGlobal(plainTextToolTipArea.topLeft() + m_offset);
const bool visible = plainTextArea.contains(plainTextToolTipArea);
if (debugToolTips)
qDebug() << "DebuggerToolTipWidget::positionShow() " << m_context
qDebug() << "DebuggerToolTipWidget::positionShow() " << this << m_context
<< " line: " << line << " plainTextPos " << plainTextToolTipArea
<< " offset: " << m_offset
<< " Area: " << plainTextArea << " Screen pos: "
<< screenPos << pe << " visible=" << visible
<< " on " << pe->parentWidget()
<< " at " << pe->mapToGlobal(QPoint(0, 0));
if (!visible) {
hide();
return false;
@@ -699,6 +765,14 @@ AbstractDebuggerToolTipWidget *AbstractDebuggerToolTipWidget::loadSessionDataI(Q
context.line = attributes.value(QLatin1String(textLineAttributeC)).toString().toInt();
context.column = attributes.value(QLatin1String(textColumnAttributeC)).toString().toInt();
context.function = attributes.value(QLatin1String(functionAttributeC)).toString();
QPoint offset;
const QString offsetXAttribute = QLatin1String(offsetXAttributeC);
const QString offsetYAttribute = QLatin1String(offsetYAttributeC);
if (attributes.hasAttribute(offsetXAttribute))
offset.setX(attributes.value(offsetXAttribute).toString().toInt());
if (attributes.hasAttribute(offsetYAttribute))
offset.setY(attributes.value(offsetYAttribute).toString().toInt());
const QString className = attributes.value(QLatin1String(toolTipClassAttributeC)).toString();
const QString engineType = attributes.value(QLatin1String(engineTypeAttributeC)).toString();
const QDate creationDate = dateFromString(attributes.value(QLatin1String(dateAttributeC)).toString());
@@ -709,7 +783,7 @@ AbstractDebuggerToolTipWidget *AbstractDebuggerToolTipWidget::loadSessionDataI(Q
return 0;
}
if (debugToolTips)
qDebug() << "Creating tooltip " << context << " from " << creationDate;
qDebug() << "Creating tooltip " << context << " from " << creationDate << offset;
AbstractDebuggerToolTipWidget *rc = 0;
if (className == "Debugger::Internal::DebuggerTreeViewToolTipWidget")
rc = new DebuggerTreeViewToolTipWidget;
@@ -718,6 +792,8 @@ AbstractDebuggerToolTipWidget *AbstractDebuggerToolTipWidget::loadSessionDataI(Q
rc->setEngineType(engineType);
rc->doLoadSessionData(r);
rc->setCreationDate(creationDate);
if (!offset.isNull())
rc->setOffset(offset);
rc->pin();
} else {
qWarning("Unable to create debugger tool tip widget of class %s", qPrintable(className));
@@ -738,6 +814,10 @@ void AbstractDebuggerToolTipWidget::saveSessionData(QXmlStreamWriter &w) const
attributes.append(QLatin1String(textLineAttributeC), QString::number(m_context.line));
attributes.append(QLatin1String(textColumnAttributeC), QString::number(m_context.column));
attributes.append(QLatin1String(dateAttributeC), m_creationDate.toString(QLatin1String("yyyyMMdd")));
if (m_offset.x())
attributes.append(QLatin1String(offsetXAttributeC), QString::number(m_offset.x()));
if (m_offset.y())
attributes.append(QLatin1String(offsetYAttributeC), QString::number(m_offset.y()));
if (!m_engineType.isEmpty())
attributes.append(QLatin1String(engineTypeAttributeC), m_engineType);
w.writeAttributes(attributes);
@@ -1389,3 +1469,5 @@ QStringList DebuggerToolTipManager::treeWidgetExpressions(const QString &fileNam
} // namespace Internal
} // namespace Debugger
#include "debuggertooltipmanager.moc"