public bool RaiseMouseLeave()
{
int count = _itemList.Count - _currentIndex;
if (count > _displayCountPerPage)
{
count = _displayCountPerPage;
}
int index = 0;
for (int i = 0; i < count; i++)
{
index = _currentIndex + i;
SuspensionItem tmp = _itemList[index];
tmp.IsMouseOn = false;
}
if (null != _leftTriangle)
{
_leftTriangle.IsMouseOn = false;
}
if (null != _rightTriangle)
{
_rightTriangle.IsMouseOn = false;
}
return(true);
}
public void AddItem(SuspensionItem si)
{
if (null != si)
{
if (!_itemList.Contains(si))
{
_itemList.Add(si);
}
}
}
private void DrawTipText(SuspensionItem si, int x, int y, Graphics g)
{
if (null == g || null == si)
{
return;
}
if (string.IsNullOrEmpty(si.TipText))
{
return;
}
float left = x + IconWidth / 2 + 5;
float top = y + IconHeight / 2 + 2;
using (Font fnt = new Font("宋体", 9))
{
SizeF sf = g.MeasureString(si.TipText, fnt);
if (left + sf.Width > Width)
{
left = left - sf.Width;
if (left < 0)
{
sf.Width = Width;
left = 0;
}
}
if (top + sf.Height > PanelHeight)
{
top = top - sf.Height;
if (top < 0)
{
top = 0;
sf.Height = PanelHeight / 2;
}
}
StringFormat formate = new StringFormat();
formate.LineAlignment = StringAlignment.Center;
formate.Alignment = StringAlignment.Center;
RectangleF rect = new RectangleF(left, top, sf.Width, sf.Height);
LinearGradientBrush sb = new LinearGradientBrush(rect, Color.Snow, Color.WhiteSmoke, 90);
try
{
g.FillRectangle(sb, rect);
}
finally
{
sb.Dispose();
}
g.DrawString(si.TipText, fnt, Brushes.Black, rect);
}
}
public bool RaiseMouseDown(MouseButtons button, Point point)
{
if (button == MouseButtons.Left)
{
if (point.X > Padding && point.X < Width - Padding)
{
int x = point.X - Padding;
int number = x / (IconWidth + Padding);
int mode = x % (IconWidth + Padding);
if (mode > 0 && mode <= IconWidth)
{
number++;
int index = _currentIndex + number - 1;
if (index < _itemList.Count && number <= _displayCountPerPage)
{
SuspensionItem si = _itemList[index];
if (null != si && null != si.Handler)
{
si.Handler();
return(true);
}
}
}
}
else if (null != _leftTriangle && point.X < Padding && point.X > 0)
{
_currentIndex -= _displayCountPerPage;
if (_currentIndex == 0)
{
_leftTriangle = null;
}
return(true);
}
else if (null != _rightTriangle && point.X > (Width - Padding) && point.X < Width)
{
_currentIndex += _displayCountPerPage;
if (_currentIndex + _displayCountPerPage >= _itemList.Count)
{
_rightTriangle = null;
}
return(true);
}
}
return(false);
}
public void Paint(Graphics g)
{
if (null == g)
{
return;
}
if (null == _itemList)
{
return;
}
if (null != _itemList)
{
if (null == _leftTriangle && _currentIndex > 0)
{
_leftTriangle = new Triangle();
}
else if (null != _leftTriangle && _currentIndex == 0)
{
_leftTriangle = null;
}
if (null == _rightTriangle &&
(_itemList.Count - _currentIndex) > _displayCountPerPage)
{
_rightTriangle = new Triangle();
}
else if (null != _rightTriangle &&
(_itemList.Count - _currentIndex) <= _displayCountPerPage)
{
_rightTriangle = null;
}
}
if (_width == 0)
{
_width = Width;
}
PrevWidth = _width;
using (Bitmap bmp = new Bitmap(Width, PanelHeight))
{
Graphics bmpGraphics = Graphics.FromImage(bmp);
try
{
if (null != _ctrl && null != _ctrl.Parent)
{
Color color = Color.FromArgb(255, 247, 247, 247);
//Control parent = _ctrl.Parent;
// while(null != parent)
//{
// if(parent.BackColor == Color.Transparent)
// {
// parent = parent.Parent;
// }
// else
// {
// color = parent.BackColor;
// break;
// }
//}
// if (Color.Empty == color)
// {
// color = Color.White;
// }
bmpGraphics.Clear(color);
}
int count = _itemList.Count - _currentIndex;
if (count > _displayCountPerPage)
{
count = _displayCountPerPage;
}
int index = 0;
SuspensionItem moveItem = null;
int moveX = 0;
int moveY = 0;
for (int i = 0; i < count; i++)
{
index = _currentIndex + i;
SuspensionItem si = _itemList[index];
if (null != si)
{
int x = i * (IconWidth + Padding) + Padding + _triangleWidthIcon;
int y = (bmp.Height - IconHeight) / 2;
if (si.IsMouseOn && null != si.Img)
{
moveItem = si;
moveX = x;
moveY = y;
using (SolidBrush sb = new SolidBrush(Color.SkyBlue))
{
bmpGraphics.FillRectangle(sb, x, y, IconWidth, IconHeight);
}
}
if (null == si.Img)
{
if (null != _ctrl)
{
si.Text = si.TipText = _ctrl.Name;
}
DrawTipText(si, x, y * 2, bmpGraphics);
continue;
}
bmpGraphics.DrawImage(si.Img, x, y, IconWidth, IconHeight);
if (si.IsMouseOn)
{
bmpGraphics.DrawRectangle(Pens.Red, x, y, IconWidth, IconHeight);
}
}
}
if (null != moveItem)
{
if (null != moveItem.Img)
{
DrawTipText(moveItem, moveX, moveY, bmpGraphics);
}
}
int interval = (AdornerPanel.PanelHeight - IconHeight) / 2;
if (null != _leftTriangle)
{
Point pt1 = new Point(0, bmp.Height / 2);
Point pt2 = new Point(Padding, interval);
Point pt3 = new Point(Padding, bmp.Height - interval);
_leftTriangle.Rect = new Rectangle(0, interval, Padding, pt3.Y - pt2.Y);
_leftTriangle.Paint(bmpGraphics, pt1, pt2, pt3);
}
if (null != _rightTriangle)
{
Point pt1 = new Point(Width, bmp.Height / 2);
Point pt2 = new Point(Width - Padding, interval);
Point pt3 = new Point(Width - Padding, bmp.Height - interval);
_rightTriangle.Rect = new Rectangle(Width - Padding, interval, Padding, pt3.Y - pt2.Y);
_rightTriangle.Paint(bmpGraphics, pt1, pt2, pt3);
}
bmpGraphics.DrawRectangle(Pens.Black, 0, 0, bmp.Width - 1, bmp.Height - 1);
g.DrawImage(bmp, Location.X, Location.Y);
}
finally
{
bmpGraphics.Dispose();
}
_width = _ctrl.Width;
}
}
public bool RaiseMouseMove(MouseButtons button, Point point)
{
if (button == MouseButtons.None)
{
if (point.X > Padding && point.X < Width - Padding && point.Y < PanelHeight)
{
int x = point.X - Padding;
int number = x / (IconWidth + Padding);
int mode = x % (IconWidth + Padding);
if (mode > 0 && mode <= IconWidth)
{
number++;
int index = _currentIndex + number - 1;
if (index < _itemList.Count && number <= _displayCountPerPage)
{
int count = _itemList.Count - _currentIndex;
if (count > _displayCountPerPage)
{
count = _displayCountPerPage;
}
int tempIndex = 0;
for (int i = 0; i < count; i++)
{
tempIndex = _currentIndex + i;
SuspensionItem tmp = _itemList[tempIndex];
if (tempIndex == index)
{
tmp.IsMouseOn = true;
}
else
{
tmp.IsMouseOn = false;
}
}
return(true);
}
}
}
else
{
int count = _itemList.Count - _currentIndex;
if (count > _displayCountPerPage)
{
count = _displayCountPerPage;
}
int tempIndex = 0;
for (int i = 0; i < count; i++)
{
tempIndex = _currentIndex + i;
SuspensionItem tmp = _itemList[tempIndex];
tmp.IsMouseOn = false;
}
}
if (null != _leftTriangle)
{
_leftTriangle.IsMouseOn = false;
if (point.X < Padding && point.X > 0)
{
_leftTriangle.IsMouseOn = true;
return(true);
}
}
if (null != _rightTriangle)
{
_rightTriangle.IsMouseOn = false;
if (point.X > Width - Padding && point.X < Width)
{
_rightTriangle.IsMouseOn = true;
return(true);
}
}
}
return(false);
}