// Remove an element from this handle map.
public void Remove(XWindow window)
{
// Look in the main part of the table.
int hash = (((int)window) & (HashSize - 1));
if (handles[hash].window == window)
{
handles[hash].window = XWindow.Zero;
handles[hash].widget = null;
return;
}
// Look in the overflow part of the table.
HandleOverflowInfo info = handles[hash].overflow;
while (info != null)
{
if (info.window == window)
{
info.window = XWindow.Zero;
info.widget = null;
return;
}
info = info.overflow;
}
}
// Get or set a member within this handle map.
public Widget this[XWindow window]
{
get
{
// Look in the main part of the table.
int hash = (((int)window) & (HashSize - 1));
if (handles[hash].window == window)
{
return(handles[hash].widget);
}
// Look in the overflow part of the table.
HandleOverflowInfo info = handles[hash].overflow;
while (info != null)
{
if (info.window == window)
{
return(info.widget);
}
info = info.overflow;
}
// There is no widget registered with this handle.
return(null);
}
set
{
// Look in the main part of the table.
int hash = (((int)window) & (HashSize - 1));
if (handles[hash].window == window)
{
handles[hash].widget = value;
return;
}
// Look in the overflow part of the table.
HandleOverflowInfo info = handles[hash].overflow;
while (info != null)
{
if (info.window == window)
{
info.widget = value;
return;
}
info = info.overflow;
}
// Add to the main part of the table if it is empty.
if (handles[hash].window == XWindow.Zero)
{
handles[hash].window = window;
handles[hash].widget = value;
return;
}
// Add an overflow entry to the hash table.
info = new HandleOverflowInfo();
info.window = window;
info.widget = value;
info.overflow = handles[hash].overflow;
handles[hash].overflow = info;
}
}
// Get or set a member within this handle map.
public Widget this[XWindow window]
{
get
{
// Look in the main part of the table.
int hash = (((int)window) & (HashSize - 1));
if(handles[hash].window == window)
{
return handles[hash].widget;
}
// Look in the overflow part of the table.
HandleOverflowInfo info = handles[hash].overflow;
while(info != null)
{
if(info.window == window)
{
return info.widget;
}
info = info.overflow;
}
// There is no widget registered with this handle.
return null;
}
set
{
// Look in the main part of the table.
int hash = (((int)window) & (HashSize - 1));
if(handles[hash].window == window)
{
handles[hash].widget = value;
return;
}
// Look in the overflow part of the table.
HandleOverflowInfo info = handles[hash].overflow;
while(info != null)
{
if(info.window == window)
{
info.widget = value;
return;
}
info = info.overflow;
}
// Add to the main part of the table if it is empty.
if(handles[hash].window == XWindow.Zero)
{
handles[hash].window = window;
handles[hash].widget = value;
return;
}
// Add an overflow entry to the hash table.
info = new HandleOverflowInfo();
info.window = window;
info.widget = value;
info.overflow = handles[hash].overflow;
handles[hash].overflow = info;
}
}
