| 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 |