protected override void OnMouseMove(MouseEventArgs e)
{
if (this.Enabled)
{
this.IsMouseOverRightButton = Rectangle.Intersect(new Rectangle(this.PointToClient(MousePosition), new Size(1, 1)),
this.RightButtonBounds) != Rectangle.Empty && this.RightEnabled;
this.IsMouseOverLeftButton = Rectangle.Intersect(new Rectangle(this.PointToClient(MousePosition), new Size(1, 1)),
this.LeftButtonBounds) != Rectangle.Empty && this.LeftEnabled;
this.IsMouseOverMenuButton = Rectangle.Intersect(new Rectangle(this.PointToClient(MousePosition), new Size(1, 1)),
this.MenuButtonBounds) != Rectangle.Empty && !this.IsMouseOverRightButton && this.HasHistory;
if (this.IsMouseOverRightButton && HistoryIndex - 1 >= 0)
{
ExplorerNavigationHistoryItem item = this.History[HistoryIndex - 1];
string caption = string.Format(System.Globalization.CultureInfo.InvariantCulture, "Forward to {0}", item.Text);
this.ToolTip.SetToolTip(this, caption);
}
else if (this.IsMouseOverLeftButton && HistoryIndex + 1 < this.History.Count)
{
ExplorerNavigationHistoryItem item = this.History[HistoryIndex + 1];
string caption = string.Format(System.Globalization.CultureInfo.InvariantCulture, "Back to {0}", item.Text);
this.ToolTip.SetToolTip(this, caption);
}
else
{
this.ToolTip.SetToolTip(this, string.Empty);
}
this.Invalidate();
}
}
public ExplorerNavigation()
{
this.SetStyle(
ControlStyles.ResizeRedraw |
ControlStyles.StandardClick |
ControlStyles.SupportsTransparentBackColor, true);
this.BackColor = Color.Transparent;
this.History = new ExplorerNavigationHistory();
this.ToolTip = new ToolTip();
this.HistoryMenu = new ContextMenuStrip();
this.HistoryMenu.AutoSize = true;
base.Size = this.Size;
if (!Areo.IsLegacyOS)
{
this.HistoryMenu.Renderer = new WindowsVistaRenderer();
}
this.HistoryIndex = -1;
this.ShowClearHistory = true;
this.History.ItemAdded += delegate(object sender, EventArgs e) {
BuildContextMenu();
};
this.History.ItemRemoved += delegate(object sender, EventArgs e) {
BuildContextMenu();
};
//this.HistoryMenu.MinimumSize = new Size ( this.Width, this.HistoryMenu.MinimumSize.Width );
this.HistoryMenu.Opening += delegate(object sender, CancelEventArgs e) {
foreach (ToolStripItem xitem in HistoryMenu.Items)
{
if (xitem is ToolStripMenuItem && xitem.Tag is ExplorerNavigationHistoryItem)
{
ExplorerNavigationHistoryItem hi = xitem.Tag as ExplorerNavigationHistoryItem;
(xitem as ToolStripMenuItem).Checked = false;
(xitem as ToolStripMenuItem).Font = new Font(xitem.Font, FontStyle.Regular);
(xitem as ToolStripMenuItem).Image = hi.Image;
}
}
if (HistoryIndex >= 0 && HistoryIndex < History.Count)
{
ToolStripMenuItem tsi = (this.HistoryMenu.Items[HistoryIndex] as ToolStripMenuItem);
tsi.Checked = true;
tsi.Font = new Font(tsi.Font, FontStyle.Bold);
}
this.IsMenuVisible = true;
};
this.HistoryMenu.Closing += delegate(object sender, ToolStripDropDownClosingEventArgs e) {
this.IsMenuVisible = false;
this.Invalidate();
};
}
private void NavigateHistory(int historyIndex)
{
if (historyIndex < History.Count && historyIndex >= 0)
{
HistoryIndex = historyIndex;
ExplorerNavigationHistoryItem item = this.History[historyIndex];
if (item.NavigateDelegate != null)
{
item.NavigateDelegate.Invoke(item, EventArgs.Empty);
}
this.Invalidate();
}
}
public void AddHistory(ExplorerNavigationHistoryItem item, bool navigate)
{
if (navigate)
{
this.History.Insert(0, item);
this.HistoryIndex = 0;
}
else
{
this.History.Add(item);
}
this.Invalidate();
}
public ExplorerNavigationHistoryItem Clone()
{
ExplorerNavigationHistoryItem i = this.MemberwiseClone() as ExplorerNavigationHistoryItem;
if (this.Image != null)
{
i.Image = this.Image.Clone() as Image;
}
if (this.NavigateDelegate != null)
{
i.NavigateDelegate = this.NavigateDelegate.Clone() as EventHandler;
}
return(i);
}
private void NavigateHistory(ExplorerNavigationHistoryItem item)
{
NavigateHistory(this.History.IndexOf(item));
}
private void BuildContextMenu()
{
this.HistoryMenu.Items.Clear();
foreach (var item in this.History)
{
ToolStripMenuItem tsmi = new ToolStripMenuItem(item.Text, item.Image, delegate(object s, EventArgs ea) {
ToolStripMenuItem titem = (s as ToolStripMenuItem);
if (titem != null)
{
ExplorerNavigationHistoryItem hi = titem.Tag as ExplorerNavigationHistoryItem;
foreach (ToolStripItem xitem in HistoryMenu.Items)
{
if (xitem is ToolStripMenuItem && xitem.Tag is ExplorerNavigationHistoryItem)
{
(xitem as ToolStripMenuItem).Checked = false;
(xitem as ToolStripMenuItem).Font = new Font(xitem.Font, FontStyle.Regular);
(xitem as ToolStripMenuItem).Image = hi.Image;
}
}
titem.Checked = true;
titem.Font = new Font(titem.Font, FontStyle.Bold);
NavigateHistory(hi);
}
});
tsmi.MouseEnter += delegate(object s, EventArgs e) {
ToolStripMenuItem titem = (s as ToolStripMenuItem);
if (!titem.Checked)
{
ExplorerNavigationHistoryItem i = titem.Tag as ExplorerNavigationHistoryItem;
if (this.History.IndexOf(i) < this.HistoryIndex)
{
titem.Image = Properties.Resources.GoToNextHS;
}
else
{
titem.Image = Properties.Resources.GoToPrevious;
}
}
};
tsmi.MouseLeave += delegate(object s, EventArgs e) {
ToolStripMenuItem titem = (s as ToolStripMenuItem);
if (!titem.Checked)
{
ExplorerNavigationHistoryItem i = titem.Tag as ExplorerNavigationHistoryItem;
titem.Image = i.Image;
}
};
tsmi.Tag = item;
this.HistoryMenu.Items.Add(tsmi);
}
if (this.HistoryMenu.Items.Count == 1)
{
ToolStripMenuItem tsi = (this.HistoryMenu.Items[0] as ToolStripMenuItem);
tsi.Checked = true;
tsi.Font = new Font(tsi.Font, FontStyle.Bold);
HistoryIndex = 0;
}
if (this.HistoryMenu.Items.Count > 0 && this.ShowClearHistory)
{
this.HistoryMenu.Items.Add(new ToolStripSeparator());
this.HistoryMenu.Items.Add(new ToolStripMenuItem("&Clear History", null, delegate(object sender, EventArgs e) {
this.ClearHistory();
}, "clearHistory"));
}
}
public void HistoryGo(ExplorerNavigationHistoryItem item)
{
NavigateHistory(item);
}
public void AddHistory(ExplorerNavigationHistoryItem item)
{
AddHistory(item, false);
}
