protected override bool OnKeyPressEvent(Gdk.EventKey press)
{
bool handled = false;
switch (press.Key)
{
case Gdk.Key.a:
if ((press.State & Gdk.ModifierType.ControlMask) != 0 && Model.Count > 0)
{
SelectionProxy.Selection.SelectAll();
handled = true;
}
break;
case Gdk.Key.A:
if ((press.State & Gdk.ModifierType.ControlMask) != 0 && Selection.Count > 0)
{
SelectionProxy.Selection.Clear();
handled = true;
}
break;
case Gdk.Key.Return:
case Gdk.Key.KP_Enter:
if (!HeaderFocused)
{
handled = ActivateSelection();
}
else if (HeaderFocused && ActiveColumn >= 0)
{
OnColumnLeftClicked(
column_cache[ActiveColumn].Column);
handled = true;
}
break;
case Gdk.Key.Escape:
handled = CancelColumnDrag();
break;
case Gdk.Key.space:
if (Selection != null && Selection.FocusedIndex != 1 &&
!HeaderFocused)
{
Selection.ToggleSelect(Selection.FocusedIndex);
handled = true;
}
break;
case Gdk.Key.F10:
if ((press.State & Gdk.ModifierType.ShiftMask) != 0)
{
goto case Gdk.Key.Menu;
}
break;
case Gdk.Key.Menu:
// OnPopupMenu() is reserved for list items in derived classes.
if (HeaderFocused)
{
InvokeColumnHeaderMenu(ActiveColumn);
handled = true;
}
break;
default:
handled = HandleKeyboardScrollKey(press, KeyDirection.Press);
break;
}
return(handled ? true : base.OnKeyPressEvent(press));
}
bool OnListButtonPressEvent(Gdk.EventButton evnt)
{
if (Model == null)
{
return(true);
}
int x = (int)evnt.X - list_interaction_alloc.X;
int y = (int)evnt.Y - list_interaction_alloc.Y;
GrabFocus();
int row_index = GetModelRowAt(x, y);
if (row_index < 0 || row_index >= Model.Count)
{
Gtk.Drag.SourceUnset(this);
return(true);
}
if (LayoutChildHandlesEvent(evnt, true))
{
return(true);
}
ProxyEventToCell(evnt, true);
object item = model[row_index];
if (item == null)
{
return(true);
}
if (evnt.Button == 1 && evnt.Type == Gdk.EventType.TwoButtonPress)
{
// Double clicked
OnRowActivated();
}
else if (Selection != null)
{
if ((evnt.State & Gdk.ModifierType.ControlMask) != 0)
{
if (evnt.Button == 3)
{
// Right clicked with ctrl pressed, so make sure row selected
if (!Selection.Contains(row_index))
{
Selection.Select(row_index);
}
}
else
{
// Normal ctrl-click, so toggle
Selection.ToggleSelect(row_index);
}
}
else if ((evnt.State & Gdk.ModifierType.ShiftMask) != 0)
{
// Shift-click, so select from first-row-selected (if any) to the current row
Selection.SelectFromFirst(row_index, true);
}
else
{
if (evnt.Button == 3)
{
// Normal right-click, make sure row is only row selected
if (!Selection.Contains(row_index))
{
Selection.Clear(false);
Selection.Select(row_index);
}
}
else
{
// Normal click, if row not already selected, select only it right now,
// but if it's already selected, wait until the Release to unselect any others so that
// drag and drop of 2+ items works.
if (!Selection.Contains(row_index))
{
Selection.Clear(false);
Selection.Select(row_index);
}
}
}
FocusModelRow(row_index);
// Now that we've worked out the selections, open the context menu
if (evnt.Button == 3)
{
OnPopupMenu();
}
}
InvalidateList();
return(true);
}
protected override bool OnKeyPressEvent(Gdk.EventKey press)
{
bool handled = false;
switch (press.Key)
{
case Gdk.Key.a:
if ((press.State & Gdk.ModifierType.ControlMask) != 0)
{
SelectionProxy.Selection.SelectAll();
handled = true;
}
break;
case Gdk.Key.A:
if ((press.State & Gdk.ModifierType.ControlMask) != 0)
{
SelectionProxy.Selection.Clear();
handled = true;
}
break;
case Gdk.Key.k:
case Gdk.Key.K:
case Gdk.Key.Up:
case Gdk.Key.KP_Up:
if (!HeaderFocused)
{
handled = KeyboardScroll(press.State, -1, true);
}
break;
case Gdk.Key.j:
case Gdk.Key.J:
case Gdk.Key.Down:
case Gdk.Key.KP_Down:
if (!HeaderFocused)
{
handled = KeyboardScroll(press.State, 1, true);
}
else if (HeaderFocused)
{
handled = true;
HeaderFocused = false;
}
break;
case Gdk.Key.Right:
case Gdk.Key.KP_Right:
if (ActiveColumn + 1 < column_cache.Length)
{
ActiveColumn++;
InvalidateHeader();
}
handled = true;
break;
case Gdk.Key.Left:
case Gdk.Key.KP_Left:
if (ActiveColumn - 1 >= 0)
{
ActiveColumn--;
InvalidateHeader();
}
handled = true;
break;
case Gdk.Key.Page_Up:
case Gdk.Key.KP_Page_Up:
if (!HeaderFocused)
{
handled = vadjustment != null && KeyboardScroll(press.State,
(int)(-vadjustment.PageIncrement / (double)RowHeight), false);
}
break;
case Gdk.Key.Page_Down:
case Gdk.Key.KP_Page_Down:
if (!HeaderFocused)
{
handled = vadjustment != null && KeyboardScroll(press.State,
(int)(vadjustment.PageIncrement / (double)RowHeight), false);
}
break;
case Gdk.Key.Home:
case Gdk.Key.KP_Home:
if (!HeaderFocused)
{
handled = KeyboardScroll(press.State, -10000000, false);
}
break;
case Gdk.Key.End:
case Gdk.Key.KP_End:
if (!HeaderFocused)
{
handled = KeyboardScroll(press.State, 10000000, false);
}
break;
case Gdk.Key.Return:
case Gdk.Key.KP_Enter:
if (!HeaderFocused)
{
handled = ActivateSelection();
}
else if (HeaderFocused && ActiveColumn >= 0)
{
OnColumnLeftClicked(
column_cache[ActiveColumn].Column);
handled = true;
}
break;
case Gdk.Key.Escape:
handled = CancelColumnDrag();
break;
case Gdk.Key.space:
if (Selection != null && Selection.FocusedIndex != 1 &&
!HeaderFocused)
{
Selection.ToggleSelect(Selection.FocusedIndex);
handled = true;
}
break;
case Gdk.Key.F10:
if ((press.State & Gdk.ModifierType.ShiftMask) != 0)
{
goto case Gdk.Key.Menu;
}
break;
case Gdk.Key.Menu:
// OnPopupMenu() is reserved for list items in derived classes.
if (HeaderFocused)
{
InvokeColumnHeaderMenu(ActiveColumn);
handled = true;
}
break;
}
if (handled)
{
return(true);
}
return(base.OnKeyPressEvent(press));
}