DebuggerTreeView: Move base class to utils

Change-Id: I3313789be5f835d218cad5ed5f3143aee18e9f5f Reviewed-by: hjk <qthjk@ovi.com>
2012-04-02 13:09:37 +02:00
parent 68471c2100
commit ecdecd4e97
8 changed files with 228 additions and 143 deletions
--- a/src/libs/utils/basetreeview.cpp
+++ b/src/libs/utils/basetreeview.cpp
@@ -0,0 +1,137 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "basetreeview.h"
+
+#include <QHeaderView>
+#include <QMenu>
+#include <QMouseEvent>
+
+namespace Utils {
+
+BaseTreeView::BaseTreeView(QWidget *parent)
+    : QTreeView(parent)
+{
+    setAttribute(Qt::WA_MacShowFocusRect, false);
+    setFrameStyle(QFrame::NoFrame);
+    setRootIsDecorated(false);
+    setIconSize(QSize(10, 10));
+    setSelectionMode(QAbstractItemView::ExtendedSelection);
+    setUniformRowHeights(true);
+
+    header()->setDefaultAlignment(Qt::AlignLeft);
+    header()->setClickable(true);
+
+    connect(this, SIGNAL(activated(QModelIndex)),
+        SLOT(rowActivatedHelper(QModelIndex)));
+    connect(header(), SIGNAL(sectionClicked(int)),
+        SLOT(headerSectionClicked(int)));
+
+    m_adjustColumnsAction = new QAction(tr("Adjust Column Widths to Contents"), 0);
+    m_alwaysAdjustColumnsAction = 0;
+}
+
+void BaseTreeView::setAlwaysAdjustColumnsAction(QAction *action)
+{
+    m_alwaysAdjustColumnsAction = action;
+    connect(action, SIGNAL(toggled(bool)),
+        SLOT(setAlwaysResizeColumnsToContents(bool)));
+}
+
+void BaseTreeView::addBaseContextActions(QMenu *menu)
+{
+    menu->addSeparator();
+    if (m_alwaysAdjustColumnsAction)
+        menu->addAction(m_alwaysAdjustColumnsAction);
+    menu->addAction(m_adjustColumnsAction);
+    menu->addSeparator();
+}
+
+bool BaseTreeView::handleBaseContextAction(QAction *act)
+{
+    if (act == 0)
+        return true;
+    if (act == m_adjustColumnsAction) {
+        resizeColumnsToContents();
+        return true;
+    }
+    if (act == m_alwaysAdjustColumnsAction) {
+        if (act->isChecked())
+            resizeColumnsToContents();
+        // Action triggered automatically.
+        return true;
+    }
+    return false;
+}
+
+void BaseTreeView::setModel(QAbstractItemModel *model)
+{
+    QTreeView::setModel(model);
+    if (header() && m_alwaysAdjustColumnsAction)
+        setAlwaysResizeColumnsToContents(m_alwaysAdjustColumnsAction->isChecked());
+}
+
+void BaseTreeView::mousePressEvent(QMouseEvent *ev)
+{
+    QTreeView::mousePressEvent(ev);
+    if (!indexAt(ev->pos()).isValid())
+        resizeColumnsToContents();
+}
+
+void BaseTreeView::resizeColumnsToContents()
+{
+    const int columnCount = model()->columnCount();
+    for (int c = 0 ; c != columnCount; ++c)
+        resizeColumnToContents(c);
+}
+
+void BaseTreeView::setAlwaysResizeColumnsToContents(bool on)
+{
+    QHeaderView::ResizeMode mode = on
+        ? QHeaderView::ResizeToContents : QHeaderView::Interactive;
+    header()->setResizeMode(0, mode);
+}
+
+void BaseTreeView::headerSectionClicked(int logicalIndex)
+{
+    resizeColumnToContents(logicalIndex);
+}
+
+void BaseTreeView::reset()
+{
+    QTreeView::reset();
+    if (header() && m_alwaysAdjustColumnsAction
+            && m_alwaysAdjustColumnsAction->isChecked())
+        resizeColumnsToContents();
+}
+
+} // namespace Utils