private void TilesetControl_MouseMove(object sender, MouseEventArgs e)
{
int w = Width / tile_width * tile_width;
int h = Height / tile_height * tile_height;
if (_is_multi && _multi_select && e.X > 0 && e.Y > 0 && e.X < w && e.Y < h)
{
short Current = GetTileIndexAt(e.X, e.Y);
if (Current != -1 && !SelectedTiles.Contains(Current))
{
SelectedTiles.Add(Current);
SelectedX.Add(e.X / tile_width / Zoom);
SelectedY.Add(e.Y / tile_height / Zoom);
Refresh();
}
}
if (CanDrag && do_drag && _selection != -1)
{
int xx = drag_start.X - e.X;
int yy = drag_start.Y - e.Y;
if (Math.Sqrt(xx * xx + yy * yy) > 4)
{
Frame frame = new Frame();
frame.Index = (short)_selection;
DoDragDrop(new DataObject("ImageFrame", frame), DragDropEffects.All);
do_drag = false;
}
}
}
private void TilesetControl_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
drag_start = e.Location;
do_drag = true;
if (!_ctrl)
{
SelectedTiles.Clear(); // if no ctrl-click, clear the selection.
SelectedX.Clear();
SelectedY.Clear();
SelectedIndices = SelectedTiles.ToArray();
}
short Current = GetTileIndexAt(e.X, e.Y);
if (Current != -1)
{
if (!_is_multi)
{
_selection = Current;
}
if (!SelectedTiles.Contains(Current))
{
SelectedTiles.Add(Current);
SelectedX.Add(e.X / tile_width / Zoom);
SelectedY.Add(e.Y / tile_height / Zoom);
}
else if (_ctrl)
{
SelectedTiles.Remove(Current);
SelectedX.Remove(e.X / tile_width / Zoom);
SelectedY.Remove(e.Y / tile_height / Zoom);
}
}
_multi_select = true;
Refresh();
}
}