HomeEndKeys.cs


0:	// HomeEndKeys.cs
1:	// Copyright (C) 2000 Mike Krueger
2:	// Copyright (C) 2000 Andrea Paatz
3:	//
4:	// This program is free software; you can redistribute it and/or modify
5:	// it under the terms of the GNU General Public License as published by
6:	// the Free Software Foundation; either version 2 of the License, or
7:	// (at your option) any later version.
8:	//
9:	// This program is distributed in the hope that it will be useful,
10:	// but WITHOUT ANY WARRANTY; without even the implied warranty of
11:	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12:	// GNU General Public License for more details.
13:	//
14:	// You should have received a copy of the GNU General Public License
15:	// along with this program; if not, write to the Free Software
16:	// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17:
18:	using System;
19:	using System.Drawing;
20:	using System.Windows.Forms;
21:
22:	using SharpDevelop.Gui.Edit.Text;
23:	using SharpDevelop.Actions;
24:
25:	namespace SharpDevelop.Actions.Edit {
26:
27:	public class Home : ISdEditAction
28:	{
29:	public virtual void Execute(ISdEditActionExecutor executor)
30:	{
31:	Point pos = executor.TextArea.Caret.CaretPos;
32:	for (pos.X = 0; pos.X < executor.TextArea.Buffer[pos.Y].Text.Length; ++pos.X)
33:	if (!Char.IsWhiteSpace(executor.TextArea.Buffer[pos.Y].Text[pos.X]))
34:	break;
35:
36:	if (pos.X == executor.TextArea.Caret.CaretPos.X)
37:	pos.X = 0;
38:
39:	executor.TextArea.Caret.CaretPos = pos;
40:	executor.TextArea.Caret.SetUpDownPos();
41:	}
42:
43:	}
44:
45:	public class End : ISdEditAction
46:	{
47:	public virtual void Execute(ISdEditActionExecutor executor)
48:	{
49:	Point pos = executor.TextArea.Caret.CaretPos;
50:	pos.X = executor.TextArea.Buffer[pos.Y].Text.Length;
51:
52:	executor.TextArea.Caret.CaretPos = pos;
53:	executor.TextArea.Caret.SetUpDownPos();
54:	}
55:	}
56:
57:	public class ShiftHome : Home
58:	{
59:	public override void Execute(ISdEditActionExecutor executor)
60:	{
61:	Point oldpos = executor.TextArea.Caret.CaretPos;
62:	executor.TextArea.ClearSelectionMove = false;
63:	base.Execute(executor);
64:	executor.TextArea.ClearSelectionMove = true;
65:	executor.TextArea.Selection.SetSelectionEnd(oldpos, executor.TextArea.Caret.CaretPos);
66:	}
67:	}
68:
69:	public class ShiftEnd : End
70:	{
71:	public override void Execute(ISdEditActionExecutor executor)
72:	{
73:	Point oldpos = executor.TextArea.Caret.CaretPos;
74:	executor.TextArea.ClearSelectionMove = false;
75:	base.Execute(executor);
76:	executor.TextArea.ClearSelectionMove = true;
77:	executor.TextArea.Selection.SetSelectionEnd(oldpos, executor.TextArea.Caret.CaretPos);
78:	}
79:	}
80:
81:	public class MoveToStart : ISdEditAction
82:	{
83:	public virtual void Execute(ISdEditActionExecutor executor)
84:	{
85:	executor.TextArea.Caret.CaretPos = new Point(0, executor.TextArea.Caret.GetFirstValidPosGreater(-1));
86:	executor.TextArea.Caret.SetUpDownPos();
87:	}
88:	}
89:
90:	public class MoveToEnd : ISdEditAction
91:	{
92:	public virtual void Execute(ISdEditActionExecutor executor)
93:	{
94:	executor.TextArea.Caret.CaretPos = new Point(executor.TextArea.Buffer[executor.TextArea.Buffer.Length - 1].Text.Length, executor.TextArea.Caret.GetFirstValidPosLower(executor.TextArea.Buffer.Length));
95:	executor.TextArea.Caret.SetUpDownPos();
96:	}
97:	}
98:
99:	public class ShiftMoveToStart : MoveToStart
100:	{
101:	public override void Execute(ISdEditActionExecutor executor)
102:	{
103:	Point oldpos = executor.TextArea.Caret.CaretPos;
104:	executor.TextArea.ClearSelectionMove = false;
105:	base.Execute(executor);
106:	executor.TextArea.ClearSelectionMove = true;
107:	executor.TextArea.Selection.SetSelectionEnd(oldpos, executor.TextArea.Caret.CaretPos);
108:	}
109:	}
110:
111:	public class ShiftMoveToEnd : MoveToEnd
112:	{
113:	public override void Execute(ISdEditActionExecutor executor)
114:	{
115:	Point oldpos = executor.TextArea.Caret.CaretPos;
116:	executor.TextArea.ClearSelectionMove = false;
117:	base.Execute(executor);
118:	executor.TextArea.ClearSelectionMove = true;
119:	executor.TextArea.Selection.SetSelectionEnd(oldpos, executor.TextArea.Caret.CaretPos);
120:	}
121:	}
122:	}