1 files changed, 132 insertions, 0 deletions
diff --git a/src/ui/balancebar.cpp b/src/ui/balancebar.cpp
new file mode 100644
index 000000000..3089e0cbd
--- /dev/null
+++ b/src/ui/balancebar.cpp
@@ -0,0 +1,132 @@
+/***************************************************************************
+ *   Copyright (C) 2006 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 <QMouseEvent>
+#include <QPainter>
+#include <math.h>
+
+#include "skin.h"
+#include "button.h"
+#include "mainwindow.h"
+
+#include "balancebar.h"
+
+
+BalanceBar::BalanceBar(QWidget *parent)
+        : PixmapWidget(parent)
+{
+    m_skin = Skin::getPointer();
+    connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
+    setPixmap(m_skin->getBalanceBar(0));
+    m_moving = FALSE;
+    m_min = -100;
+    m_max = 100;
+    m_old = m_value = 0;
+    draw(FALSE);
+}
+
+
+BalanceBar::~BalanceBar()
+{}
+
+void BalanceBar::mousePressEvent(QMouseEvent *e)
+{
+
+    m_moving = TRUE;
+    press_pos = e->x();
+    if(m_pos<e->x() && e->x()<m_pos+11)
+    {
+        press_pos = e->x()-m_pos;
+    }
+    else
+    {
+        m_value = convert(qMax(qMin(width()-18,e->x()-6),0));
+        press_pos = 6;
+        if (m_value!=m_old)
+        {
+            emit sliderMoved(m_value);
+
+        }
+    }
+    draw();
+}
+
+void BalanceBar::mouseMoveEvent (QMouseEvent *e)
+{
+    if(m_moving)
+    {
+        int po = e->x();
+        po = po - press_pos;
+
+        if(0<=po && po<=width()-13)
+        {
+            m_value = convert(po);
+            draw();
+            emit sliderMoved(m_value);
+        }
+    }
+}
+
+void BalanceBar::mouseReleaseEvent(QMouseEvent*)
+{
+    m_moving = FALSE;
+    draw(FALSE);
+    m_old = m_value;
+}
+
+void BalanceBar::setValue(int v)
+{
+    if (m_moving || m_max == 0)
+        return;
+    m_value = v;
+    draw(FALSE);
+}
+
+void BalanceBar::setMax(int max)
+{
+    m_max = max;
+    draw(FALSE);
+}
+
+void BalanceBar::updateSkin()
+{
+    draw(FALSE);
+}
+
+void BalanceBar::draw(bool pressed)
+{
+    if(abs(m_value)<6)
+        m_value = 0;
+    int p=int(ceil(double(m_value-m_min)*(width()-13)/(m_max-m_min)));
+    m_pixmap = m_skin->getBalanceBar(abs(27*m_value/m_max));
+    QPainter paint(&m_pixmap);
+    if(pressed)
+        paint.drawPixmap(p,1,m_skin->getButton(Skin::BT_BAL_P));
+    else
+        paint.drawPixmap(p,1,m_skin->getButton(Skin::BT_BAL_N));
+    setPixmap(m_pixmap);
+    m_pos = p;
+}
+
+int BalanceBar::convert(int p)
+{
+    return int(ceil(double(m_max-m_min)*(p)/(width()-13)+m_min));
+}
+