/// <returns>true, if the selection should continue in the background of the bar.</returns>
public bool MouseDown(MouseEventArgs e, Size parentControlSize, Vector2 clickPos)
{
_selectionMode = SelectionMode.None;
_overallDelta = 0;
// check if the mouse click was in the bar area
RectangleF barArea = getBarArea(parentControlSize);
RectangleF selectionArea = barArea;
selectionArea.Inflate(10.0f, _selectionMaxPixelDistanceForMove * 0.8f);
if (!selectionArea.Contains(e.Location))
{
return(true);
}
switch (e.Button)
{
case MouseButtons.Left:
// check if the mouse click was on one of the two sliders
float distanceToSelectedLimit0 = Math.Abs(e.Y - ToVisualY(barArea, _selectedLimit0));
float distanceToSelectedLimit1 = Math.Abs(e.Y - ToVisualY(barArea, _selectedLimit1));
if (distanceToSelectedLimit0 < distanceToSelectedLimit1)
{
if (distanceToSelectedLimit0 < _selectionMaxPixelDistanceForMove)
{
_selectionMode = SelectionMode.SelectedLimit0;
}
}
else
{
if (distanceToSelectedLimit1 < _selectionMaxPixelDistanceForMove)
{
_selectionMode = SelectionMode.SelectedLimit1;
}
}
// check if a the click happend on a room
if (barArea.Contains(e.Location) && _selectionMode == SelectionMode.None)
{
for (int groupIndex = 0; groupIndex < GroupCount; ++groupIndex)
{
RectangleF groupArea = groupGetArea(barArea, groupIndex);
if (groupArea.Contains(e.Location))
{
_groupMouseClicked = groupIndex;
float mouseDepth = FromVisualY(barArea, e.Y);
List <List <RelevantRoom> > roomSequences = groupBuildRoomSequences(clickPos, groupIndex);
float sequenceWidth = groupArea.Width / roomSequences.Count;
for (int i = 0; i < roomSequences.Count; ++i)
{
float posX0 = groupArea.X + sequenceWidth * i;
float posX1 = groupArea.X + sequenceWidth * (i + 1);
if (e.X >= posX0 && e.X <= posX1)
{
for (int j = roomSequences[i].Count - 1; j >= 0; --j)
{
if (mouseDepth <= roomSequences[i][j].MaxDepth && mouseDepth >= roomSequences[i][j].MinDepth)
{
_roomMouseClicked = roomSequences[i][j].Room;
_roomMouseOffset = mouseDepth - _roomMouseClicked.Position.Y;
// If multiple rooms are selected, don't reset selection.
if (_editor.SelectedRooms.Count <= 1 || !_editor.SelectedRooms.Contains(_roomMouseClicked))
{
SelectedRoom?.Invoke(new[] { _roomMouseClicked });
}
InvalidateParent?.Invoke();
_selectionMode = SelectionMode.RoomMove;
return(false);
}
}
}
}
break;
}
}
selectionArea.Y = ToVisualY(barArea, Math.Max(_selectedLimit0, _selectedLimit1));
selectionArea.Height = Math.Abs(ToVisualY(barArea, _selectedLimit0) - ToVisualY(barArea, _selectedLimit1));
if (selectionArea.Contains(e.Location))
{
_barMouseOffset = distanceToSelectedLimit0;
_selectionMode = SelectionMode.SelectedLimitBoth;
}
}
break;
case MouseButtons.Middle:
case MouseButtons.XButton1:
case MouseButtons.XButton2:
for (int groupIndex = 0; groupIndex < DepthProbes.Count; ++groupIndex)
{
RectangleF groupArea = groupGetArea(barArea, groupIndex);
if (groupArea.Contains(e.Location))
{
DepthProbes.RemoveAt(groupIndex);
InvalidateParent?.Invoke();
break;
}
}
break;
}
return(false);
}
