1 files changed, 85 insertions, 0 deletions
diff --git a/kalarm/lib/slider.cpp b/kalarm/lib/slider.cpp
new file mode 100644
index 000000000..1a0999645
--- /dev/null
+++ b/kalarm/lib/slider.cpp
@@ -0,0 +1,85 @@
+/*
+ *  slider.cpp  -  slider control with read-only option
+ *  Program:  kalarm
+ *  Copyright (c) 2004 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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 "slider.moc"
+
+
+Slider::Slider(QWidget* parent, const char* name)
+	: QSlider(parent, name),
+	  mReadOnly(false)
+{ }
+
+Slider::Slider(Orientation o, QWidget* parent, const char* name)
+	: QSlider(o, parent, name),
+	  mReadOnly(false)
+{ }
+
+Slider::Slider(int minval, int maxval, int pageStep, int value, Orientation o, QWidget* parent, const char* name)
+	: QSlider(minval, maxval, pageStep, value, o, parent, name),
+	  mReadOnly(false)
+{ }
+
+/******************************************************************************
+*  Set the read-only status. If read-only, the slider can be moved by the
+*  application, but not by the user.
+*/
+void Slider::setReadOnly(bool ro)
+{
+	mReadOnly = ro;
+}
+
+/******************************************************************************
+*  Event handlers to intercept events if in read-only mode.
+*  Any events which could change the slider value are discarded.
+*/
+void Slider::mousePressEvent(QMouseEvent* e)
+{
+	if (mReadOnly)
+	{
+		// Swallow up the event if it's the left button
+		if (e->button() == Qt::LeftButton)
+			return;
+	}
+	QSlider::mousePressEvent(e);
+}
+
+void Slider::mouseReleaseEvent(QMouseEvent* e)
+{
+	if (!mReadOnly)
+		QSlider::mouseReleaseEvent(e);
+}
+
+void Slider::mouseMoveEvent(QMouseEvent* e)
+{
+	if (!mReadOnly)
+		QSlider::mouseMoveEvent(e);
+}
+
+void Slider::keyPressEvent(QKeyEvent* e)
+{
+	if (!mReadOnly  ||  e->key() == Qt::Key_Escape)
+		QSlider::keyPressEvent(e);
+}
+
+void Slider::keyReleaseEvent(QKeyEvent* e)
+{
+	if (!mReadOnly)
+		QSlider::keyReleaseEvent(e);
+}