1 files changed, 68 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/pageRangeWidget.cpp b/kviewshell/plugins/djvu/pageRangeWidget.cpp
new file mode 100644
index 00000000..338624b8
--- /dev/null
+++ b/kviewshell/plugins/djvu/pageRangeWidget.cpp
@@ -0,0 +1,68 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Stefan Kebekus                                  *
+ *   kebekus@kde.org                                                       *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+
+#include <kdebug.h>
+
+#include "pageRangeWidget.h"
+
+
+PageRangeWidget::PageRangeWidget( Q_UINT16 _from, Q_UINT16 _to, Q_UINT16 _current, QWidget *parent, const char *name) : PageRangeWidget_base(parent, name)
+{
+  // Paranoid security checks
+  if ((from == 0) || (to == 0))
+    return;
+  if (_from > _to) {
+    kdError() << "PageRangeWidget::PageRangeWidget(..): from > to" << endl;
+    _to = _from;
+  }
+  if (_current < _from) {
+    kdError() << "PageRangeWidget::PageRangeWidget(..): _current < _from" << endl;
+    _current = _from;
+  }
+  if (_current > _to) {
+    kdError() << "PageRangeWidget::PageRangeWidget(..): _current > _to" << endl;
+    _current = _to;
+  }
+
+  connect(from, SIGNAL(valueChanged(int)), this, SLOT(fromValueChanged(int)));
+  connect(to, SIGNAL(valueChanged(int)), this, SLOT(toValueChanged(int)));
+
+  from->setRange(_from, _to);
+  from->setValue(_current);
+  to->setRange(_from, _to);
+  to->setValue(_current);
+}
+
+
+void PageRangeWidget::toValueChanged(int val)
+{
+  if (val < from->value())
+    from->setValue(val);
+}
+
+
+void PageRangeWidget::fromValueChanged(int val)
+{
+  if (val > to->value())
+    to->setValue(val);
+}
+
+#include "pageRangeWidget.moc"
+