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source: branches/HeuristicLab.Problems.Orienteering/HeuristicLab.MainForm.WindowsForms/3.3/Controls/DragOverTabControl.cs @ 11868

Last change on this file since 11868 was 11185, checked in by pfleck, 10 years ago

#2208 merged trunk and updated version info

File size: 1.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System.Drawing;
23using System.Windows.Forms;
24
25namespace HeuristicLab.MainForm.WindowsForms {
26  public partial class DragOverTabControl : TabControl {
27    private int destinationTabIndex;
28
29    public DragOverTabControl() {
30      InitializeComponent();
31    }
32
33    private int GetTabIndex() {
34      Point position = PointToClient(Control.MousePosition);
35      int tabIndex = -1;
36      for (int i = 0; i < TabPages.Count; i++) {
37        if (GetTabRect(i).Contains(position))
38          tabIndex = i;
39      }
40      return tabIndex;
41    }
42
43    private void DragOverTabControl_DragOver(object sender, DragEventArgs e) {
44      int tabIndex = GetTabIndex();
45
46      if (!timer.Enabled && tabIndex != SelectedIndex && tabIndex != -1) {
47        destinationTabIndex = tabIndex;
48        timer.Start();
49      }
50    }
51
52    private void timer_Tick(object sender, System.EventArgs e) {
53      timer.Stop();
54      int tabIndex = GetTabIndex();
55
56      if (tabIndex == destinationTabIndex && tabIndex != SelectedIndex && tabIndex != -1) {
57        SelectedIndex = tabIndex;
58      }
59    }
60  }
61}
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