1 | #Region "Microsoft.VisualBasic::14341d17843f00756c425a6687e34f05, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\InteractiveIODevice\TerminalExtensions.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Module TerminalEvents |
35 | ' |
36 | ' |
37 | ' Delegate Sub |
38 | ' |
39 | ' Properties: ConsoleHandleInvalid, CurrentSize |
40 | ' |
41 | ' Sub: __detects |
42 | ' |
43 | ' |
44 | ' |
45 | ' /********************************************************************************/ |
46 | |
47 | #End Region |
48 | |
49 | Imports System.Drawing |
50 | Imports System.Threading |
51 | Imports Microsoft.VisualBasic.Language |
52 | |
53 | Namespace Terminal |
54 | |
55 | Public Module TerminalEvents |
56 | |
57 | Public Delegate Sub ResizeEventHandle(size As Size, oldSize As Size) |
58 | |
59 | Dim __resizeHandles As New List(Of ResizeEventHandle) |
60 | Dim _old As Size |
61 | Dim _eventThread As Thread |
62 | |
63 | Public ReadOnly Property CurrentSize As Size |
64 | Get |
65 | Return _old |
66 | End Get |
67 | End Property |
68 | |
69 | Private Sub __detects() |
70 | Do While App.Running |
71 | If Console.WindowHeight <> _old.Height Then |
72 | RaiseEvent Resize() |
73 | ElseIf Console.WindowWidth <> _old.Width Then |
74 | RaiseEvent Resize() |
75 | End If |
76 | |
77 | Thread.Sleep(10) |
78 | Loop |
79 | End Sub |
80 | |
81 | Public ReadOnly Property ConsoleHandleInvalid As Boolean = False |
82 | |
83 | ''' <summary> |
84 | ''' Terminal resize event for [<see cref="Console.WindowWidth"/>, <see cref="Console.WindowHeight"/>] |
85 | ''' </summary> |
86 | Public Custom Event Resize As ResizeEventHandle |
87 | AddHandler(value As ResizeEventHandle) |
88 | If __resizeHandles.IndexOf(value) = -1 Then |
89 | __resizeHandles += value |
90 | End If |
91 | |
92 | If _eventThread Is Nothing Then |
93 | Try |
94 | _old = New Size(Console.WindowWidth, Console.WindowHeight) |
95 | _eventThread = New Thread(AddressOf __detects) |
96 | _eventThread.Start() |
97 | Catch ex As Exception ' 可能是WindowsForm应用,则在这里就忽略掉这个错误了 |
98 | Call App.LogException(ex) |
99 | _ConsoleHandleInvalid = True |
100 | End Try |
101 | End If |
102 | End AddHandler |
103 | RemoveHandler(value As ResizeEventHandle) |
104 | If __resizeHandles.IndexOf(value) > -1 Then |
105 | __resizeHandles.Remove(value) |
106 | End If |
107 | |
108 | If __resizeHandles.Count = 0 Then |
109 | _eventThread.Abort() |
110 | _eventThread = Nothing |
111 | End If |
112 | End RemoveHandler |
113 | RaiseEvent() |
114 | Dim [new] As New Size(Console.WindowWidth, Console.WindowHeight) |
115 | |
116 | For Each h As ResizeEventHandle In __resizeHandles |
117 | Call h([new], _old) |
118 | Next |
119 | |
120 | _old = [new] |
121 | End RaiseEvent |
122 | End Event |
123 | End Module |
124 | End Namespace |