ladspa host: added sliders

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1423 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 67 insertions, 0 deletions

diff --git a/src/plugins/Effect/ladspa/ladspaslider.cpp b/src/plugins/Effect/ladspa/ladspaslider.cpp
new file mode 100644
index 000000000..067a3d5ab
--- /dev/null
+++ b/src/plugins/Effect/ladspa/ladspaslider.cpp
@@ -0,0 +1,67 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+
+#include <QDoubleSpinBox>
+#include <QSlider>
+#include <QHBoxLayout>
+#include "ladspaplugin.h"
+#include "ladspaslider.h"
+
+LADSPASlider::LADSPASlider(double min, double max, double step, LADSPA_Data *value,
+                           LADSPAHost *host, QWidget *parent) : QWidget(parent)
+{
+    m_min = min;
+    m_max = max;
+    m_step = step;
+    m_host = host;
+    m_value = value;
+    m_slider = new QSlider(Qt::Horizontal, this);
+    m_spinBox = new QDoubleSpinBox(this);
+
+    QHBoxLayout *layout = new QHBoxLayout(this);
+    layout->addWidget(m_slider);
+    layout->addWidget(m_spinBox);
+    layout->setContentsMargins (0, 0, 0, 0);
+    setLayout(layout);
+
+    m_spinBox->setRange(min, max);
+    m_spinBox->setSingleStep(step);
+    m_spinBox->setValue(*value);
+
+    m_slider->setRange(0, (max-min)/step);
+    m_slider->setSingleStep(1);
+    m_slider->setPageStep(10);
+    m_slider->setValue((*value-min)/step);
+
+    connect(m_spinBox, SIGNAL(valueChanged (double)), SLOT(setValue(double)));
+    connect(m_slider, SIGNAL(sliderMoved (int)),SLOT(setValue(int)));
+}
+
+void LADSPASlider::setValue(double v)
+{
+    *m_value = v;
+    m_slider->setValue((v-m_min)/m_step);
+}
+
+void LADSPASlider::setValue(int v)
+{
+    m_spinBox->setValue(v*m_step + m_min);
+}