We now have a current svn snapshot of libqxt in our contrib dir, and

[quassel.git] / src / contrib / libqxt-2007-10-24 / src / gui / qxttreewidget.cpp

diff --git a/src/contrib/libqxt-2007-10-24/src/gui/qxttreewidget.cpp b/src/contrib/libqxt-2007-10-24/src/gui/qxttreewidget.cpp
new file mode 100644 (file)
index 0000000..af3aa4c
--- /dev/null
+++ b/src/contrib/libqxt-2007-10-24/src/gui/qxttreewidget.cpp
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) Qxt Foundation. Some rights reserved.
+**
+** This file is part of the QxtGui module of the Qt eXTension library
+**
+** This library is free software; you can redistribute it and/or modify it
+** under the terms of th Common Public License, version 1.0, as published by
+** IBM.
+**
+** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
+** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
+** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
+** FITNESS FOR A PARTICULAR PURPOSE.
+**
+** You should have received a copy of the CPL along with this file.
+** See the LICENSE file and the cpl1.0.txt file included with the source
+** distribution for more information. If you did not receive a copy of the
+** license, contact the Qxt Foundation.
+**
+** <http://libqxt.sourceforge.net>  <foundation@libqxt.org>
+**
+****************************************************************************/
+#include "qxttreewidget.h"
+#include "qxtitemdelegate.h"
+#include "qxttreewidget_p.h"
+#include <QHeaderView>
+
+QxtTreeWidgetPrivate::QxtTreeWidgetPrivate()
+{}
+
+QxtItemDelegate* QxtTreeWidgetPrivate::delegate() const
+{
+    QxtItemDelegate* del = dynamic_cast<QxtItemDelegate*>(qxt_p().itemDelegate());
+    Q_ASSERT(del);
+    return del;
+}
+
+void QxtTreeWidgetPrivate::informStartEditing(const QModelIndex& index)
+{
+    QTreeWidgetItem* item = qxt_p().itemFromIndex(index);
+    Q_ASSERT(item);
+    emit qxt_p().itemEditingStarted(item);
+}
+
+void QxtTreeWidgetPrivate::informFinishEditing(const QModelIndex& index)
+{
+    QTreeWidgetItem* item = qxt_p().itemFromIndex(index);
+    Q_ASSERT(item);
+    emit qxt_p().itemEditingFinished(item);
+}
+
+void QxtTreeWidgetPrivate::expandCollapse(QTreeWidgetItem* item)
+{
+    if (item && !item->parent() && delegate()->decorationStyle() != Qxt::NoDecoration)
+        qxt_p().setItemExpanded(item, !qxt_p().isItemExpanded(item));
+}
+
+/*!
+    \class QxtTreeWidget QxtTreeWidget
+    \ingroup QxtGui
+    \brief An extended QTreeWidget with additional signals.
+
+    QxtTreeWidget offers an optional top level item decoration
+    and a few most commonly requested signals.
+
+    \image html qxttreewidget.png "QxtTreeWidget with Qxt::Menulike and Qxt::Buttonlike decoration styles, respectively."
+ */
+
+/*!
+    \fn QxtTreeWidget::itemEditingStarted(QTreeWidgetItem* item)
+
+    This signal is emitted after the editing of \a item has been started.
+
+    \sa itemEditingFinished()
+ */
+
+/*!
+    \fn QxtTreeWidget::itemEditingFinished(QTreeWidgetItem* item)
+
+    This signal is emitted after the editing of \a item has been finished.
+
+    \sa itemEditingStarted()
+ */
+
+/*!
+    \fn QxtTreeWidget::itemCheckStateChanged(QxtTreeWidgetItem* item)
+
+    This signal is emitted whenever the check state of \a item has changed.
+
+    \note Use QxtTreeWidgetItem in order to enable this feature.
+
+    \sa QxtTreeWidgetItem, QTreeWidgetItem::checkState()
+ */
+
+/*!
+    Constructs a new QxtTreeWidget with \a parent.
+ */
+QxtTreeWidget::QxtTreeWidget(QWidget* parent) : QTreeWidget(parent)
+{
+    QXT_INIT_PRIVATE(QxtTreeWidget);
+    QxtItemDelegate* delegate = new QxtItemDelegate(this);
+    connect(delegate, SIGNAL(editingStarted(const QModelIndex&)),
+            &qxt_d(), SLOT(informStartEditing(const QModelIndex&)));
+    connect(delegate, SIGNAL(editingFinished(const QModelIndex&)),
+            &qxt_d(), SLOT(informFinishEditing(const QModelIndex&)));
+    connect(this, SIGNAL(itemPressed(QTreeWidgetItem*, int)),
+            &qxt_d(), SLOT(expandCollapse(QTreeWidgetItem*)));
+    setItemDelegate(delegate);
+}
+
+/*!
+    Destructs the tree widget.
+ */
+QxtTreeWidget::~QxtTreeWidget()
+{}
+
+/*!
+    \property QxtTreeWidget::decorationStyle
+    \brief This property holds the top level item decoration style
+
+    Top level items are decorated according to this property.
+    The default value is \b Qxt::NoDecoration.
+
+    \note Setting the property to anything else than \b Qxt::NoDecoration
+    hides the header and sets \b QTreeView::rootIsDecorated to \b false
+    (to avoid multiple branch indicators).
+
+    \sa Qxt::DecorationStyle QTreeView::rootIsDecorated
+ */
+Qxt::DecorationStyle QxtTreeWidget::decorationStyle() const
+{
+    return qxt_d().delegate()->decorationStyle();
+}
+
+void QxtTreeWidget::setDecorationStyle(Qxt::DecorationStyle style)
+{
+    if (qxt_d().delegate()->decorationStyle() != style)
+    {
+        qxt_d().delegate()->setDecorationStyle(style);
+
+        if (style != Qxt::NoDecoration)
+        {
+            setRootIsDecorated(false);
+            header()->hide();
+        }
+        reset();
+    }
+}
+
+/*!
+    \property QxtTreeWidget::elideMode
+    \brief This property holds the text elide mode
+
+    The text of a decorated top level item is elided according to this property.
+    The default value is \b Qt::ElideMiddle.
+
+    \note The property has effect only for decorated top level items.
+
+    \sa decorationStyle, Qt::TextElideMode
+ */
+Qt::TextElideMode QxtTreeWidget::elideMode() const
+{
+    return qxt_d().delegate()->elideMode();
+}
+
+void QxtTreeWidget::setElideMode(Qt::TextElideMode mode)
+{
+    if (qxt_d().delegate()->elideMode() != mode)
+    {
+        qxt_d().delegate()->setElideMode(mode);
+        reset();
+    }
+}