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71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/**
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* \file ToolTipFormatter.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Guillaume Munch
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "ToolTipFormatter.h"
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#include "qt_helpers.h"
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#include <QAbstractItemView>
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#include <QTextDocument>
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#include <QTextLayout>
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#include <QToolTip>
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//#include "support/debug.h"
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//#include "support/lstrings.h"
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namespace lyx {
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namespace frontend {
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ToolTipFormatter::ToolTipFormatter(QObject * parent) : QObject(parent) {}
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bool ToolTipFormatter::eventFilter(QObject * o, QEvent * e)
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{
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if (e->type() != QEvent::ToolTip)
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return false;
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// Format the tooltip of the widget being considered.
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QWidget * w = qobject_cast<QWidget *>(o);
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if (!w)
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return false;
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// Unchanged if empty or already formatted
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w->setToolTip(formatToolTip(w->toolTip()));
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// Now, if the tooltip is for an item in a QListView or a QTreeView,
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// then the widget above was probably not the one with the tooltip.
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// Check if the parent is a QAbstractItemView.
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QAbstractItemView * iv = qobject_cast<QAbstractItemView *>(w->parent());
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if (!iv)
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return false;
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// In this case, the item is retrieved from the position of the QHelpEvent
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// on the screen.
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QPoint pos = static_cast<QHelpEvent *>(e)->pos();
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QModelIndex item = iv->indexAt(pos);
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if (!item.isValid())
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return false;
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QVariant data = iv->model()->data(item, Qt::ToolTipRole);
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if (data.isValid() && data.typeName() == toqstr("QString"))
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// Unchanged if empty or already formatted
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iv->model()->setData(item, formatToolTip(data.toString()),
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Qt::ToolTipRole);
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// We must let the tooltip event reach its destination.
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return false;
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}
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} // namespace frontend
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} // namespace lyx
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#include "moc_ToolTipFormatter.cpp"
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