[679] | 1 | /*!
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| 2 | @file
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| 3 | @brief 「Win32プログラミング講座 ~ Step32. アナログ時計を作る ~」のAB5移植版
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| 4 | http://www.activebasic.com/help_center/articles/win32/step05/
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| 5 | メニューは未実装。
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| 6 |
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| 7 | @date 2008/07/20
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| 8 | @auther Egtra
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| 9 | */
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| 10 |
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| 11 | #require <Classes/ActiveBasic/Windows/UI/Form.ab>
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| 12 | #require <Classes/ActiveBasic/Windows/UI/Application.ab>
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| 13 | #require <Classes/ActiveBasic/Windows/UI/Timer.ab>
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| 14 |
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| 15 | Imports ActiveBasic.Windows.UI
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| 16 | Imports ActiveBasic.Math
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| 17 | Imports System
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| 18 |
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| 19 | #resource "UI_Sample.rc"
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| 20 |
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| 21 | Const PAI = 3.14159265358979323846264
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| 22 |
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| 23 | Class WatchForm
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| 24 | Inherits Form
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| 25 | Public
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| 26 | Sub WatchForm()
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| 27 | AddCreate(AddressOf(OnCreate))
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| 28 | AddPaintDC(AddressOf(OnPaint_))
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| 29 | AddPaintBackground(AddressOf(OnPaintBackground_))
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| 30 | End Sub
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| 31 |
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| 32 | Protected
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| 33 | Override Sub GetCreateStruct(ByRef cs As CREATESTRUCT)
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| 34 | Super.GetCreateStruct(cs)
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| 35 | With cs
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| 36 | .cx = 240
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| 37 | .cy = 240
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| 38 | .lpszName = "clock"
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| 39 | End With
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| 40 | End Sub
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| 41 |
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| 42 | Private
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| 43 | Sub OnCreate(sender As Object, e As CreateArgs)
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| 44 | timer = New Timer(This)
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| 45 | With timer
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| 46 | .Interval = 100 '元に忠実にするなら10
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| 47 | .AddTick(AddressOf(Timer_OnTick))
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| 48 | .Start()
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| 49 | End With
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| 50 | GetLocalTime(st)
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| 51 | End Sub
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| 52 |
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| 53 | Sub Timer_OnTick(sender As Object, e As Args)
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| 54 | Dim wsec As Word
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| 55 | wsec = st.wSecond
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| 56 | GetLocalTime(st)
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| 57 | '秒針を動かす必要があるときは再描画する
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| 58 | If wsec <> st.wSecond Then Invalidate()
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| 59 | End Sub
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| 60 |
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| 61 | Sub OnPaintBackground_(sender As Object, e As PaintBackgroundArgs)
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| 62 | Dim hdc = e.Handle
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| 63 | Dim rc = This.ClientRect
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| 64 | Dim hbrOld = SelectObject(hdc, GetStockObject(WHITE_BRUSH))
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| 65 | ExtTextOut(hdc, 0, 0, ETO_OPAQUE, rc, "", 0, 0)
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| 66 | SelectObject(hdc, hbrOld)
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| 67 | End Sub
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| 68 |
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| 69 | Sub OnPaint_(sender As Object, e As PaintDCArgs)
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| 70 | Dim hPen As HPEN, hOldPen As HPEN
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| 71 | Dim pos As POINTAPI
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| 72 |
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| 73 | Dim hdc = e.Handle
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| 74 | Dim rc = This.ClientRect
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| 75 |
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| 76 | Dim CenterPos As POINTAPI '針の中心位置
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| 77 | '針の中心位置
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| 78 | CenterPos.x = rc.right \ 2
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| 79 | CenterPos.y = rc.bottom \ 2
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| 80 |
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| 81 | '3つとも元と違ってDouble型にしている。
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| 82 | Dim Length_Second = Math.Min(rc.bottom, rc.right) / 2.0 - 2.0 '秒針の長さ
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| 83 | Dim Length_Minute = Length_Second As Double '短針の長さ
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| 84 | Dim Length_Hour = Length_Minute * 0.70 '長針の長さ
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| 85 |
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| 86 | '短針
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| 87 | If st.wHour=12 Then st.wHour=0
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| 88 | hPen=CreatePen(PS_SOLID,5,RGB(255,100,0))
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| 89 | hOldPen=SelectObject(hdc,hPen)
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| 90 | pos.x=(CenterPos.x + Length_Hour * Sin(st.wHour * PAI / 6 + st.wMinute * PAI / 360)) As Long
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| 91 | pos.y=(CenterPos.y - Length_Hour * Cos(st.wHour * PAI / 6 + st.wMinute * PAI / 360)) As Long
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| 92 | MoveToEx(hdc, CenterPos.x, CenterPos.y, ByVal NULL)
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| 93 | LineTo(hdc, pos.x, pos.y)
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| 94 | SelectObject(hdc,hOldPen)
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| 95 | DeleteObject(hPen)
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| 96 |
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| 97 | '長針
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| 98 | hPen=CreatePen(PS_SOLID,2,RGB(255,0,0))
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| 99 | hOldPen=SelectObject(hdc,hPen)
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| 100 | pos.x = (CenterPos.x + Length_Minute * Sin(st.wMinute * PAI / 30 + st.wSecond * PAI / 1800)) As Long
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| 101 | pos.y = (CenterPos.y - Length_Minute * Cos(st.wMinute * PAI / 30 + st.wSecond * PAI / 1800)) As Long
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| 102 | MoveToEx(hdc, CenterPos.x, CenterPos.y, ByVal NULL)
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| 103 | LineTo(hdc, pos.x, pos.y)
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| 104 | SelectObject(hdc, hOldPen)
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| 105 | DeleteObject(hPen)
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| 106 |
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| 107 | '秒針
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| 108 | hPen=GetStockObject(BLACK_PEN)
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| 109 | hOldPen=SelectObject(hdc,hPen)
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| 110 | pos.x = (CenterPos.x + Length_Second * Sin(st.wSecond * PAI / 30)) As Long
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| 111 | pos.y = (CenterPos.y - Length_Second * Cos(st.wSecond * PAI / 30)) As Long
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| 112 | MoveToEx(hdc, CenterPos.x, CenterPos.y, ByVal NULL)
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| 113 | LineTo(hdc, pos.x, pos.y)
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| 114 | SelectObject(hdc,hOldPen)
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| 115 | End Sub
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| 116 |
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| 117 | timer As Timer
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| 118 | st As SYSTEMTIME
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| 119 | ' bTopMost As Long
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| 120 | End Class
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| 121 |
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| 122 | Control.Initialize(GetModuleHandle(0))
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| 123 | Dim f = New WatchForm
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| 124 | f.CreateForm()
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| 125 | Application.Run(f)
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