Merge with branch1.2

1 files changed, 42 insertions, 0 deletions

diff --git a/src/viewmarkingscrollbar.cpp b/src/viewmarkingscrollbar.cpp
new file mode 100644
index 00000000..2452d0e3
--- /dev/null
+++ b/src/viewmarkingscrollbar.cpp
@@ -0,0 +1,42 @@
+#include "viewmarkingscrollbar.h"

+#include <QStyle>

+#include <QStyleOptionSlider>

+#include <QPainter>

+

+ViewMarkingScrollBar::ViewMarkingScrollBar(QAbstractItemModel *model, QWidget *parent, int role)

+  : QScrollBar(parent)

+  , m_Model(model)

+  , m_Role(role)

+{

+  // not implemented for horizontal sliders

+  Q_ASSERT(this->orientation() == Qt::Vertical);

+}

+

+void ViewMarkingScrollBar::paintEvent(QPaintEvent *event)

+{

+  if (m_Model == nullptr) {

+    return;

+  }

+  QScrollBar::paintEvent(event);

+

+  QStyleOptionSlider styleOption;

+  initStyleOption(&styleOption);

+

+  QPainter painter(this);

+

+  QRect handleRect = style()->subControlRect(QStyle::CC_ScrollBar, &styleOption, QStyle::SC_ScrollBarSlider, this);

+  QRect innerRect = style()->subControlRect(QStyle::CC_ScrollBar, &styleOption, QStyle::SC_ScrollBarGroove, this);

+

+  painter.translate(innerRect.topLeft() + QPoint(0, 3));

+  qreal scale = static_cast<qreal>(innerRect.height() - 3) / static_cast<qreal>(m_Model->rowCount());

+

+  for (int i = 0; i < m_Model->rowCount(); ++i) {

+    QVariant data = m_Model->data(m_Model->index(i, 0), m_Role);

+    if (data.isValid()) {

+      QColor col = data.value<QColor>();

+      painter.setPen(col);

+      painter.setBrush(col);

+      painter.drawRect(QRect(2, i * scale - 2, handleRect.width() - 5, 3));

+    }

+  }

+}