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Add find support to the help side panel.

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Task:     248199
This commit is contained in:
con
2009-03-17 17:47:14 +01:00
parent cc89dcc75b
commit a0631d294b
3 changed files with 96 additions and 0 deletions
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64
src/plugins/help/helpfindsupport.cpp
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@@ -78,3 +78,67 @@ bool HelpFindSupport::findStep(const QString &txt, QTextDocument::FindFlags find
QTC_ASSERT(m_centralWidget, return false);
return m_centralWidget->find(txt, findFlags, false);
}
HelpViewerFindSupport::HelpViewerFindSupport(HelpViewer *viewer)
: m_viewer(viewer)
{
}
QString HelpViewerFindSupport::currentFindString() const
{
QTC_ASSERT(m_viewer, return QString());
return m_viewer->selectedText();
}
bool HelpViewerFindSupport::findIncremental(const QString &txt, QTextDocument::FindFlags findFlags)
{
QTC_ASSERT(m_viewer, return false);
findFlags &= ~QTextDocument::FindBackward;
return find(txt, findFlags, true);
}
bool HelpViewerFindSupport::findStep(const QString &txt, QTextDocument::FindFlags findFlags)
{
QTC_ASSERT(m_viewer, return false);
return find(txt, findFlags, false);
}
bool HelpViewerFindSupport::find(const QString &txt, QTextDocument::FindFlags findFlags, bool incremental)
{
QTC_ASSERT(m_viewer, return false);
#if !defined(QT_NO_WEBKIT)
Q_UNUSED(incremental);
QWebPage::FindFlags options = QWebPage::FindWrapsAroundDocument;
if (findFlags & QTextDocument::FindBackward)
options |= QWebPage::FindBackward;
if (findFlags & QTextDocument::FindCaseSensitively)
options |= QWebPage::FindCaseSensitively;
return m_viewer->findText(txt, options);
#else
QTextCursor cursor = viewer->textCursor();
QTextDocument *doc = viewer->document();
QTextBrowser *browser = qobject_cast<QTextBrowser*>(viewer);
if (!browser || !doc || cursor.isNull())
return false;
if (incremental)
cursor.setPosition(cursor.selectionStart());
QTextCursor found = doc->find(txt, cursor, findFlags);
if (found.isNull()) {
if ((findFlags&QTextDocument::FindBackward) == 0)
cursor.movePosition(QTextCursor::Start);
else
cursor.movePosition(QTextCursor::End);
found = doc->find(txt, cursor, findFlags);
if (found.isNull()) {
return false;
}
}
if (!found.isNull()) {
viewer->setTextCursor(found);
}
return true;
#endif
}