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InputTextBoxControl.cs 4.4 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSim Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using System.Collections.Generic;
  29. using System.Text;
  30. using System.Windows.Forms;
  31. namespace OpenSim.GUI
  32. {
  33. class InputTextBoxControl:System.Windows.Forms.TextBox
  34. {
  35. public InputTextBoxControl()
  36. {
  37. this.KeyDown += new System.Windows.Forms.KeyEventHandler(TextInputControl_KeyDown);
  38. }
  39. private List<string> CommandHistory = new List<string>();
  40. private bool InHistory = false;
  41. private int HistoryPosition = -1;
  42. void TextInputControl_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
  43. {
  44. if (e.KeyCode == Keys.Enter && InHistory == false)
  45. {
  46. CommandHistory.Add(this.Text);
  47. }
  48. if (e.KeyCode == Keys.Up || e.KeyCode == Keys.Down)
  49. {
  50. // if not inside buffer, enter
  51. // InBuffer = true
  52. //Console.WriteLine("History: Check");
  53. if (InHistory == false)
  54. {
  55. if (this.Text != "")
  56. {
  57. //Console.WriteLine("History: Add");
  58. CommandHistory.Add(this.Text);
  59. HistoryPosition = CommandHistory.Count;
  60. }
  61. else
  62. {
  63. //HistoryPosition = CommandHistory.Count + 1;
  64. }
  65. //Console.WriteLine("History: InHistory");
  66. InHistory = true;
  67. }
  68. if (e.KeyCode == Keys.Up)
  69. HistoryPosition -= 1;
  70. if (e.KeyCode == Keys.Down)
  71. HistoryPosition += 1;
  72. if (HistoryPosition > CommandHistory.Count - 1)
  73. HistoryPosition = -1;
  74. if (HistoryPosition < -1)
  75. HistoryPosition = CommandHistory.Count - 1;
  76. //Console.WriteLine("History: Pos: " + HistoryPosition);
  77. //Console.WriteLine("History: HaveInHistCount: " + CommandHistory.Count);
  78. if (CommandHistory.Count != 0)
  79. {
  80. if (HistoryPosition != -1)
  81. {
  82. //Console.WriteLine("History: Getting");
  83. //this.Text = CommandHistory.Item(HistoryPosition);
  84. this.Text = CommandHistory[HistoryPosition];
  85. this.SelectionStart = this.Text.Length;
  86. this.SelectionLength = 0;
  87. }
  88. else
  89. {
  90. //Console.WriteLine("History: Nothing");
  91. this.Text = "";
  92. }
  93. }
  94. e.Handled = true;
  95. }
  96. else
  97. {
  98. InHistory = false;
  99. HistoryPosition = -1;
  100. }
  101. }
  102. }
  103. }