We now have a current svn snapshot of libqxt in our contrib dir, and
[quassel.git] / src / contrib / libqxt-2007-10-24 / src / gui / qxtgroupbox.cpp
diff --git a/src/contrib/libqxt-2007-10-24/src/gui/qxtgroupbox.cpp b/src/contrib/libqxt-2007-10-24/src/gui/qxtgroupbox.cpp
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+/****************************************************************************
+**
+** 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 "qxtgroupbox.h"
+
+#include <QChildEvent>
+
+class QxtGroupBoxPrivate : public QxtPrivate<QxtGroupBox>
+{
+public:
+    QXT_DECLARE_PUBLIC(QxtGroupBox);
+
+    QxtGroupBoxPrivate();
+    void init();
+    bool collapsive;
+};
+
+QxtGroupBoxPrivate::QxtGroupBoxPrivate() : collapsive(true)
+{}
+
+void QxtGroupBoxPrivate::init()
+{
+    qxt_p().setCheckable(true);
+    qxt_p().setChecked(true);
+    QObject::connect(&qxt_p(), SIGNAL(toggled(bool)), &qxt_p(), SLOT(setExpanded(bool)));
+}
+
+/*!
+    \class QxtGroupBox QxtGroupBox
+    \ingroup QxtGui
+    \brief A collapsive and checkable QGroupBox.
+
+    QxtGroupBox is a checkable group box automatically expanding/collapsing
+    its content according to the check state. QxtGroupBox shows its children
+    when checked and hides its children when unchecked.
+
+    \image html qxtgroupbox.png "Two QxtGroupBoxes - an expanded and a collapsed - on top of each other."
+ */
+
+/*!
+    Constructs a new QxtGroupBox with \a parent.
+ */
+QxtGroupBox::QxtGroupBox(QWidget* parent)
+        : QGroupBox(parent)
+{
+    QXT_INIT_PRIVATE(QxtGroupBox);
+    qxt_d().init();
+}
+
+/*!
+    Constructs a new QxtGroupBox with \a title and \a parent.
+ */
+QxtGroupBox::QxtGroupBox(const QString& title, QWidget* parent)
+        : QGroupBox(title, parent)
+{
+    QXT_INIT_PRIVATE(QxtGroupBox);
+    qxt_d().init();
+}
+
+/*!
+    Destructs the group box.
+ */
+QxtGroupBox::~QxtGroupBox()
+{}
+
+/*!
+    \property QxtGroupBox::collapsive
+    \brief This property holds whether the group box is collapsive
+ */
+bool QxtGroupBox::isCollapsive() const
+{
+    return qxt_d().collapsive;
+}
+
+void QxtGroupBox::setCollapsive(bool enable)
+{
+    if (qxt_d().collapsive != enable)
+    {
+        qxt_d().collapsive = enable;
+        if (!enable)
+            setExpanded(true);
+        else if (!isChecked())
+            setExpanded(false);
+    }
+}
+
+/*!
+    Sets the group box \a collapsed.
+
+    A collapsed group box hides its children.
+
+    \sa setExpanded(), QGroupBox::toggled()
+ */
+void QxtGroupBox::setCollapsed(bool collapsed)
+{
+    setExpanded(!collapsed);
+}
+
+/*!
+    Sets the group box \a expanded.
+
+    An expanded group box shows its children.
+
+    \sa setCollapsed(), QGroupBox::toggled()
+ */
+void QxtGroupBox::setExpanded(bool expanded)
+{
+    if (qxt_d().collapsive || expanded)
+    {
+        // show/hide direct children
+        foreach (QObject* child, children())
+        {
+            if (child->isWidgetType())
+                static_cast<QWidget*>(child)->setVisible(expanded);
+        }
+        setFlat(!expanded);
+    }
+}
+
+void QxtGroupBox::childEvent(QChildEvent* event)
+{
+    QObject* child = event->child();
+    if (event->added() && child->isWidgetType())
+    {
+        QWidget* widget = static_cast<QWidget*>(child);
+        if (qxt_d().collapsive && !isChecked())
+            widget->hide();
+    }
+}