protected override bool OnMotionNotifyEvent(Gdk.EventMotion evnt)
{
int pointerX, pointerY;
Gdk.ModifierType pointerMask;
Gdk.Window window = GetWindow(TextWindowType.Text);
window.GetPointer(out pointerX, out pointerY, out pointerMask);
int x, y;
this.WindowToBufferCoords(TextWindowType.Widget, pointerX, pointerY,
out x, out y);
TextIter iter = GetIterAtLocation(x, y);
bool hovering = iter.HasTag(linkTag);
if (hovering != hoveringOverLink)
{
hoveringOverLink = hovering;
if (hoveringOverLink)
{
window.Cursor = handCursor;
}
else
{
window.Cursor = normalCursor;
}
}
return(base.OnMotionNotifyEvent(evnt));
}
//This is effectively .NET 2.0's SelectionTypes.Auto
//It duplicates VS.NET's selection behaviour
public void SetSelectedComponents(System.Collections.ICollection components)
{
OnSelectionChanging();
//use control and shift modifier to change selection
//TODO: find a better way of checking key modifier status: this is BAD
int x, y;
bool modified = false;
Gdk.Window someWindow = Gdk.Window.AtPointer(out x, out y);
if (someWindow != null)
{
Gdk.ModifierType mt;
someWindow.GetPointer(out x, out y, out mt);
modified = ((mt & Gdk.ModifierType.ShiftMask) == Gdk.ModifierType.ShiftMask) || ((mt & Gdk.ModifierType.ControlMask) == Gdk.ModifierType.ControlMask);
}
if (components == null || components.Count == 0)
{
selections.Clear();
primary = null;
}
else
{
foreach (object comp in components)
{
if (!(comp is IComponent))
{
throw new ArgumentException("All elements in collection must be components");
}
//what do we do with the component?
if (!selections.Contains(comp))
{
//a simple replacement
if (!modified)
{
selections.Clear();
selections.Add(comp);
}
//add to selection and make primary
else
{
selections.Add(comp);
}
primary = comp;
}
else
{
//only deselect or change selection if other components
//i.e. can't toggle selection status if is only component
if (selections.Count > 1)
{
//change primary selection
if (!modified)
{
primary = comp;
}
//remove and replace primary selection
else
{
selections.Remove(comp);
if (selections.Count > 0)
{
primary = selections[selections.Count - 1];
}
}
}
}
}
}
//fire event to let everyone know, especially PropertyGrid
OnSelectionChanged();
}