diff -r 574b385ce7df -r fcab1fd02bc6 QTfrontend/ui/widget/colorwidget.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/ui/widget/colorwidget.cpp	Sun May 27 23:42:43 2012 +0400
@@ -0,0 +1,71 @@
+#include <QStandardItemModel>
+#include <QMouseEvent>
+#include <QWheelEvent>
+
+#include "colorwidget.h"
+#include "hwconsts.h"
+
+ColorWidget::ColorWidget(QStandardItemModel *colorsModel, QWidget *parent) :
+    QWidget(parent)
+{
+    m_colorsModel = colorsModel;
+
+    setColor(0);
+    setStyleSheet("");
+    setAutoFillBackground(true);
+
+    connect(m_colorsModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(dataChanged(QModelIndex,QModelIndex)));
+}
+
+ColorWidget::~ColorWidget()
+{
+
+}
+
+void ColorWidget::setColor(int color)
+{
+    Q_ASSERT_X(color >= 0 && color < m_colorsModel->rowCount(), "ColorWidget::setColor", "Color index out of range");
+
+    m_color = color;
+
+    QStandardItem * item = m_colorsModel->item(m_color);
+
+    QPalette p = palette();
+    p.setColor(QPalette::Window, item->data().value<QColor>());
+    setPalette(p);
+
+    emit colorChanged(m_color);
+}
+
+int ColorWidget::getColor()
+{
+    return m_color;
+}
+
+void ColorWidget::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
+{
+    if(m_color >= topLeft.row() && m_color <= bottomRight.row())
+        setColor(m_color);
+}
+
+void ColorWidget::mousePressEvent(QMouseEvent * event)
+{
+    switch(event->button())
+    {
+        case Qt::LeftButton:
+            setColor((m_color + 1) % m_colorsModel->rowCount());
+            break;
+        case Qt::RightButton:
+            setColor((m_color + m_colorsModel->rowCount() - 1) % m_colorsModel->rowCount());
+            break;
+        default:;
+    }
+}
+
+void ColorWidget::wheelEvent(QWheelEvent *event)
+{
+    if(event->delta() > 0)
+        setColor((m_color + 1) % m_colorsModel->rowCount());
+    else
+        setColor((m_color + m_colorsModel->rowCount() - 1) % m_colorsModel->rowCount());
+}