protected void HandleParentCursorChanged(object sender, EventArgs e)
{
TreePath path;
TreeIter row;
TreeViewColumn col;
GetCursor(out path, out col);
if (Model.GetIter(out row, path) && col != null && CurrentButton != RIGHT_MOUSE_BUTTON)
{
bool shiftDown = (CurrentKeyboardModifier & ModifierType.ShiftMask) != ModifierType.None;
bool ctrlDown = (CurrentKeyboardModifier & ModifierType.ControlMask) != ModifierType.None;
mSelectionHook = (shiftDown) ? mSelectionHook : new CellLocation(row, col);
List <CellLocation> selectedcells = new List <CellLocation>(SheetSelection.SelectedCells);
int col1 = (selectedcells.Count > 0) ? Array.IndexOf(Columns, mSelectionHook.Col) : -1;
if (col1 >= 0 && shiftDown)
{
SheetSelection.SelectRange(mSelectionHook.Row, col1, row, Array.IndexOf(Columns, col));
}
else
{
if (SheetSelection.IsSelected(row, col) && (ctrlDown || selectedcells.Count == 1))
{
SheetSelection.Unselect(row, col);
}
else
{
SheetSelection.Select(row, col, ctrlDown);
}
}
QueueDraw();
}
}
protected override bool OnButtonPressEvent(EventButton evnt)
{
#region in case the mouse event happened in the header, let the base class treat it
// We cannot write
// if(evnt.Y<wy)
// here, as GTK erroneously sets Y *WRONG* when a click happens in the header >:(
// Instead, we use YRoot here which fortunately still has the proper correct value: an absolute screen coordinate.
// We use it to check if the click was in the header.
int ox, oy;
GdkWindow.GetOrigin(out ox, out oy);
if (evnt.YRoot < oy + HeaderHeight)
{
return(base.OnButtonPressEvent(evnt));
}
#endregion
TreePath path;
TreeIter row;
TreeViewColumn col;
if (GetPathAtPos((int)evnt.X, (int)evnt.Y, out path, out col) &&
Model.GetIter(out row, path))
{
if (evnt.Button == LEFT_MOUSE_BUTTON)
{
GrabFocus();
Selection.SelectNone();
List <CellLocation> selectedcells = new List <CellLocation>(SheetSelection.SelectedCells);
if (selectedcells.Count <= 0 || (evnt.State & ModifierType.ShiftMask) == 0)
{
SheetSelection.Select(row, col, (evnt.State & ModifierType.ControlMask) != 0);
}
else
{
int col1 = Array.IndexOf(Columns, selectedcells[0].Col);
if (col1 <= 0)
{
SheetSelection.Select(row, col, (evnt.State & ModifierType.ControlMask) != 0);
}
else
{
SheetSelection.SelectRange(selectedcells[0].Row, col1, row, Array.IndexOf(Columns, col));
}
}
QueueDraw();
return(true);
}
}
return(true);
//return base.OnButtonPressEvent(evnt);
}