private void PaintX(Graphics g)
{
// Fill backround
g.FillRectangle(new SolidBrush(Color.FromArgb(242, 242, 242)), 0, 0, this.Width, this.Height);
g.DrawRectangle(new Pen(Color.FromArgb(212, 208, 200)), 0, 0, this.Width - 1, this.Height - 1);
// Draw scroll pane
g.FillRectangle(new SolidBrush(m_ViewStyle.GetButtonColor(ScrollPaneRect.Contains(m_MousePos) || m_Dragging, Control.MouseButtons == MouseButtons.Left)), m_pScrollPaneRect.X, m_pScrollPaneRect.Y, m_pScrollPaneRect.Width, m_pScrollPaneRect.Height);
g.DrawRectangle(new Pen(m_ViewStyle.GetBorderColor(ScrollPaneRect.Contains(m_MousePos) || m_Dragging)), m_pScrollPaneRect.X, m_pScrollPaneRect.Y, m_pScrollPaneRect.Width, m_pScrollPaneRect.Height);
// Draw decrease button
g.FillRectangle(new SolidBrush(m_ViewStyle.GetButtonColor(DecreaseButtonRect.Contains(m_MousePos) && !m_Dragging, Control.MouseButtons == MouseButtons.Left)), DecreaseButtonRect);
if (m_Vertical)
{
LumiSoft.UI.Controls.Paint.DrawTriangle(g, Color.Black, GetTriangleRect(DecreaseButtonRect), Direction.Up);
}
else
{
LumiSoft.UI.Controls.Paint.DrawTriangle(g, Color.Black, GetTriangleRect(DecreaseButtonRect), Direction.Left);
}
g.DrawRectangle(new Pen(m_ViewStyle.GetBorderColor(DecreaseButtonRect.Contains(m_MousePos) && !m_Dragging)), DecreaseButtonRect);
// Draw increase button
g.FillRectangle(new SolidBrush(m_ViewStyle.GetButtonColor(IncreaseButtonRect.Contains(m_MousePos) && !m_Dragging, Control.MouseButtons == MouseButtons.Left)), IncreaseButtonRect);
if (m_Vertical)
{
LumiSoft.UI.Controls.Paint.DrawTriangle(g, Color.Black, GetTriangleRect(IncreaseButtonRect), Direction.Down);
}
else
{
LumiSoft.UI.Controls.Paint.DrawTriangle(g, Color.Black, GetTriangleRect(IncreaseButtonRect), Direction.Right);
}
g.DrawRectangle(new Pen(m_ViewStyle.GetBorderColor(IncreaseButtonRect.Contains(m_MousePos) && !m_Dragging)), IncreaseButtonRect);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (ScrollPaneRect.Contains(new Point(e.X, e.Y)))
{
// See if we may begin dragging
if (RaiseMayChangePosition())
{
m_Dragging = true;
}
}
Invalidate();
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
// Begin dragging
if (!m_Dragging && e.Button == MouseButtons.Left)
{
m_Dragging = true;
}
// There is active drag operation
if (m_Dragging)
{
int position = m_Position;
if (m_Vertical)
{
int y = (e.Y - m_MousePos.Y);
if (m_pScrollPaneRect.Y + y >= DecreaseButtonRect.Bottom + 1 && m_pScrollPaneRect.Bottom + y + 1 <= IncreaseButtonRect.Y)
{
m_pScrollPaneRect = new Rectangle(m_pScrollPaneRect.X, m_pScrollPaneRect.Y + y, m_pScrollPaneRect.Width, m_pScrollPaneRect.Height);
if (m_pScrollPaneRect.Bottom >= this.Height - 19)
{
m_Position = this.Maximum;
}
else
{
int scrollArea = Bounds.Height - ScrollPaneRect.Height - 34;
float pos = (float)(m_pScrollPaneRect.Y - 17) / scrollArea;
m_Position = (int)(this.Maximum * pos);
}
if (position != m_Position)
{
OnPositionChanged();
}
this.Invalidate();
}
}
else
{
int x = (e.X - m_MousePos.X);
if (m_pScrollPaneRect.X + x >= DecreaseButtonRect.Right + 1 && m_pScrollPaneRect.Right + x + 1 <= IncreaseButtonRect.X)
{
m_pScrollPaneRect = new Rectangle(m_pScrollPaneRect.X + x, m_pScrollPaneRect.Y, m_pScrollPaneRect.Width, m_pScrollPaneRect.Height);
if (m_pScrollPaneRect.Right >= this.Width - 19)
{
m_Position = this.Maximum;
}
else
{
int scrollArea = Bounds.Width - ScrollPaneRect.Width - 34;
float pos = (float)(m_pScrollPaneRect.X - 17) / (float)scrollArea;
m_Position = (int)(this.Maximum * pos);
}
if (position != m_Position)
{
OnPositionChanged();
}
this.Invalidate();
}
}
}
// Handle normal mouse move
else
{
m_MousePos = new Point(e.X, e.Y);
String hittedObject = "";
if (this.DecreaseButtonRect.Contains(m_MousePos))
{
hittedObject = "DecreaseButton";
}
else if (this.IncreaseButtonRect.Contains(m_MousePos))
{
hittedObject = "IncreaseButton";
}
else if (ScrollPaneRect.Contains(m_MousePos))
{
hittedObject = "ScrollPane";
}
if (!m_HittedObject.Equals(hittedObject))
{
m_HittedObject = hittedObject;
this.Invalidate();
}
}
m_MousePos = new Point(e.X, e.Y);
}
