private void ListItem_MouseEnter(object sender, EventArgs e)
{
((ComboPopoutItem)sender).Selected = true;
if (m_cpiLastSelected != null)
{
m_cpiLastSelected.Selected = false;
}
m_cpiLastSelected = (ComboPopoutItem)sender;
}
public ComboBox()
{
InitializeComponent();
m_cpiLastSelected = null;
m_clListControls = new List <ComboPopoutItem>();
m_Panel = new Panel();
m_tsHost = new ToolStripControlHost(m_Panel);
m_tsDropDown = new ToolStripDropDown();
m_tsDropDown.AutoSize = false;
m_tsDropDown.Items.Add(m_tsHost);
m_scItems = new StringCollectionWithEvents();
m_scItems.ItemAdded += new StringCollectionWithEvents.ItemAddedEventHandler(m_scItems_ItemAdded);
m_scItems.ItemRemoved += new StringCollectionWithEvents.ItemRemovedEventHandler(m_scItems_ItemRemoved);
m_iSelectedIndex = -1;
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
this.SetStyle(ControlStyles.UserPaint, true);
this.UpdateStyles();
BorderColor = Color.FromArgb(152, 152, 152);
BorderPen = new Pen(BorderColor);
this.Paint += new PaintEventHandler(ComboBox_Paint);
this.Resize += new EventHandler(ComboBox_Resize);
Radius = 5.0f;
Diameter = 10.0f;
GradientPen = new Pen(Color.Black);
GradientStart = Color.FromArgb(252, 252, 252);
GradientFinish = Color.FromArgb(223, 223, 223);
UpdateGradients();
UpdateRegion();
pFontSize = 10;
pFont = FontVault.GetFontVault().GetFont(FontVault.AvailableFonts.MyriadPro, pFontSize);
MeasureLbl.Font = pFont;
TextColor = Color.Black;
TextBrush = new SolidBrush(TextColor);
this.MouseUp += new MouseEventHandler(ComboBox_MouseUp);
UpdateRegion();
}
private void m_scItems_ItemAdded(object sender, string sNewStr)
{
ComboPopoutItem cpiNewItem = new ComboPopoutItem();
cpiNewItem.Text = sNewStr;
cpiNewItem.Click += new EventHandler(ListItem_Click);
cpiNewItem.MouseEnter += new EventHandler(ListItem_MouseEnter);
m_clListControls.Add(cpiNewItem);
m_Panel.Controls.Add(cpiNewItem);
}
public void UpdateLayout()
{
this.Height = (pItems.Count * ComboPopoutItem.CONTROL_HEIGHT) + 2;
ComboPopoutItem CurItem;
int X;
if (pItems.Count > PopoutItems.Count)
{
int Count = pItems.Count - PopoutItems.Count;
for (int i = 0; i < Count; i++)
{
CurItem = new ComboPopoutItem();
CurItem.MouseMove += new MouseEventHandler(PopupItem_MouseMove);
CurItem.Click += new EventHandler(PopupItem_Click);
CurItem.Visible = true;
PopoutItems.Add(CurItem);
this.Controls.Add(CurItem);
}
}
if (pItems.Count < PopoutItems.Count)
{
for (int i = 0; i < PopoutItems.Count - pItems.Count; i++)
{
PopoutItems.RemoveAt(0);
}
}
X = 1;
for (int i = 0; i < pItems.Count; i++)
{
CurItem = (ComboPopoutItem)PopoutItems[i];
CurItem.Text = pItems[i];
CurItem.Top = X;
CurItem.Left = 1;
CurItem.Width = this.Width - 2;
if (i == pSelectedIndex)
{
CurItem.Checked = true;
}
else
{
CurItem.Checked = false;
}
X += CurItem.Height;
}
}
private void ListItem_Click(object sender, EventArgs e)
{
if (m_iSelectedIndex > -1)
{
m_clListControls[m_iSelectedIndex].Checked = false;
}
m_iSelectedIndex = m_clListControls.IndexOf((ComboPopoutItem)sender);
if (SelectedIndexChanged != null)
{
SelectedIndexChanged(this, EventArgs.Empty);
}
m_tsDropDown.Hide();
m_cpiLastSelected = null;
m_clListControls[m_iSelectedIndex].Checked = true;
this.Invalidate();
}