1 files changed, 148 insertions, 0 deletions
diff --git a/src/gui/widgets/CollapsingFrame.cpp b/src/gui/widgets/CollapsingFrame.cpp
new file mode 100644
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+++ b/src/gui/widgets/CollapsingFrame.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "CollapsingFrame.h"
+#include <kapplication.h>
+#include <kstddirs.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <qfont.h>
+#include <qframe.h>
+#include <qlayout.h>
+#include <qpixmap.h>
+#include <qstring.h>
+#include <qtoolbutton.h>
+#include <qwidget.h>
+#include <cassert>
+
+
+namespace Rosegarden
+{
+
+CollapsingFrame::CollapsingFrame(QString label, QWidget *parent, const char *n) :
+        QFrame(parent, n),
+        m_widget(0),
+        m_fill(false),
+        m_collapsed(false)
+{
+    m_layout = new QGridLayout(this, 3, 3, 0, 0);
+
+    m_toggleButton = new QToolButton(this);
+    m_toggleButton->setTextLabel(label);
+    m_toggleButton->setUsesTextLabel(true);
+    m_toggleButton->setUsesBigPixmap(false);
+    m_toggleButton->setTextPosition(QToolButton::BesideIcon);
+    m_toggleButton->setAutoRaise(true);
+
+    QFont font(m_toggleButton->font());
+    font.setBold(true);
+    m_toggleButton->setFont(font);
+
+    QString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
+    QPixmap pixmap(pixmapDir + "/misc/arrow-expanded.png");
+    m_toggleButton->setIconSet(pixmap);
+
+    connect(m_toggleButton, SIGNAL(clicked()), this, SLOT(toggle()));
+
+    m_layout->addMultiCellWidget(m_toggleButton, 0, 0, 0, 2);
+}
+
+CollapsingFrame::~CollapsingFrame()
+{}
+
+void
+CollapsingFrame::setWidgetFill(bool fill)
+{
+    m_fill = fill;
+}
+
+QFont
+CollapsingFrame::font() const
+{
+    return m_toggleButton->font();
+}
+
+void
+CollapsingFrame::setFont(QFont font)
+{
+    m_toggleButton->setFont(font);
+}
+
+void
+CollapsingFrame::setWidget(QWidget *widget)
+{
+    assert(!m_widget);
+    m_widget = widget;
+    if (m_fill) {
+        m_layout->addMultiCellWidget(widget, 1, 1, 0, 2);
+    } else {
+        m_layout->addWidget(widget, 1, 1);
+    }
+
+    bool expanded = true;
+    if (name(0)) {
+        KConfig *config = kapp->config();
+        QString groupTemp = config->group();
+        config->setGroup("CollapsingFrame");
+        expanded = config->readBoolEntry(name(), true);
+        config->setGroup(groupTemp);
+    }
+    if (expanded != !m_collapsed)
+        toggle();
+}
+
+void
+CollapsingFrame::toggle()
+{
+    int h = m_toggleButton->height();
+
+    m_collapsed = !m_collapsed;
+
+    m_widget->setShown(!m_collapsed);
+
+    QString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
+    QPixmap pixmap;
+
+    if (m_collapsed) {
+        pixmap = QPixmap(pixmapDir + "/misc/arrow-contracted.png");
+    } else {
+        pixmap = QPixmap(pixmapDir + "/misc/arrow-expanded.png");
+    }
+
+    if (name(0)) {
+        KConfig *config = kapp->config();
+        QString groupTemp = config->group();
+        config->setGroup("CollapsingFrame");
+        config->writeEntry(name(), !m_collapsed);
+        config->setGroup(groupTemp);
+    }
+
+    m_toggleButton->setIconSet(pixmap);
+
+    m_toggleButton->setMaximumHeight(h);
+}
+
+}
+#include "CollapsingFrame.moc"