1 | 'Classes/ActiveBasic/Windows/UI/Control.ab
|
---|
2 |
|
---|
3 | #require <Classes/ActiveBasic/Windows/UI/Forms/EventArgs.ab>
|
---|
4 |
|
---|
5 | Namespace ActiveBasic
|
---|
6 | Namespace Windows
|
---|
7 | Namespace UI
|
---|
8 | Namespace Forms
|
---|
9 |
|
---|
10 | Class Control
|
---|
11 | Public
|
---|
12 |
|
---|
13 | '1
|
---|
14 |
|
---|
15 | Sub Control()
|
---|
16 | End Sub
|
---|
17 |
|
---|
18 | Virtual Sub ~Control()
|
---|
19 | End Sub
|
---|
20 |
|
---|
21 | Function Handle() As WindowHandle
|
---|
22 | Handle = wnd
|
---|
23 | End Function
|
---|
24 |
|
---|
25 | Static Function FromHWnd(hwnd As HWND) As Control
|
---|
26 | FromHWnd = Nothing
|
---|
27 | If IsWindow(hwnd) Then
|
---|
28 | FromHWnd = FromHWndCore(hwnd)
|
---|
29 | End If
|
---|
30 | End Function
|
---|
31 |
|
---|
32 | Private
|
---|
33 | Static Function FromHWndCore(hwnd As HWND) As Control
|
---|
34 | If GetClassLongPtr(hwnd, GCW_ATOM) = atom Then
|
---|
35 | Dim gchValue = GetProp(hwnd, PropertyInstance As ULONG_PTR As PCTSTR) As ULONG_PTR
|
---|
36 | If gchValue <> 0 Then
|
---|
37 | Dim gch = System.Runtime.InteropServices.GCHandle.FromIntPtr(gchValue)
|
---|
38 | FromHWndCore = gch.Target As Control
|
---|
39 | Exit Function
|
---|
40 | End If
|
---|
41 | End If
|
---|
42 | End Function
|
---|
43 |
|
---|
44 | '--------------------------------
|
---|
45 | ' 1 ウィンドウ作成
|
---|
46 | /*
|
---|
47 | Function Create(
|
---|
48 | parent As HWND,
|
---|
49 | rect As RECT,
|
---|
50 | name As String,
|
---|
51 | style As DWord,
|
---|
52 | exStyle = 0 As DWord,
|
---|
53 | menu = 0 As HMENU) As HWND
|
---|
54 | */
|
---|
55 | Public
|
---|
56 | Function Create() As Boolean
|
---|
57 | Dim cs As CREATESTRUCT
|
---|
58 | cs.hInstance = hInstance
|
---|
59 | cs.lpszClass = (atom As ULONG_PTR) As LPCTSTR
|
---|
60 | GetCreateStruct(cs)
|
---|
61 | Create = createImpl(cs)
|
---|
62 | End Function
|
---|
63 |
|
---|
64 | Protected
|
---|
65 | Abstract Sub GetCreateStruct(ByRef cs As CREATESTRUCT)
|
---|
66 |
|
---|
67 | Function createImpl(ByRef cs As CREATESTRUCT) As Boolean
|
---|
68 | Imports System.Runtime.InteropServices
|
---|
69 |
|
---|
70 | Dim gch = GCHandle.Alloc(This)
|
---|
71 | TlsSetValue(tlsIndex, GCHandle.ToIntPtr(gch) As VoidPtr)
|
---|
72 |
|
---|
73 | With cs
|
---|
74 | Dim hwnd = CreateWindowEx(.dwExStyle, .lpszClass, .lpszName, .style,
|
---|
75 | .x, .y, .cx, .cy, .hwndParent, .hMenu, .hInstance, .lpCreateParams)
|
---|
76 | createImpl = hwnd <> 0
|
---|
77 | End With
|
---|
78 | End Function
|
---|
79 |
|
---|
80 | '--------------------------------
|
---|
81 | ' ウィンドウプロシージャ
|
---|
82 | 'Protected
|
---|
83 | Public
|
---|
84 | Virtual Function WndProc(msg As DWord, wp As WPARAM, lp As LPARAM) As LRESULT
|
---|
85 | Select Case msg
|
---|
86 | Case WM_ERASEBKGND
|
---|
87 | Dim rc = wnd.ClientRect
|
---|
88 | Dim e = New PaintDCHandledEventArgs(wp As HDC, rc)
|
---|
89 | OnPaintBackground(e)
|
---|
90 | WndProc = e.Handled
|
---|
91 | Case WM_PAINT
|
---|
92 | Dim ps As PAINTSTRUCT
|
---|
93 | wnd.BeginPaint(ps)
|
---|
94 | Try
|
---|
95 | Dim e = New PaintDCEventArgs(ps.hdc, ps.rcPaint)
|
---|
96 | OnPaintDC(e)
|
---|
97 | Finally
|
---|
98 | wnd.EndPaint(ps)
|
---|
99 | End Try
|
---|
100 | Case WM_LBUTTONDOWN, WM_RBUTTONDOWN, WM_MBUTTONDOWN, WM_XBUTTONDOWN
|
---|
101 | OnMouseDown(New MouseEventArgs(LOWORD(wp) As MouseButtons, 1, GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 0))
|
---|
102 | Case WM_LBUTTONUP, WM_RBUTTONUP, WM_MBUTTONUP, WM_XBUTTONUP
|
---|
103 | OnMouseUp(New MouseEventArgs(LOWORD(wp) As MouseButtons, 1, GET_X_LPARAM(lp), GET_Y_LPARAM(lp), 0))
|
---|
104 | /*
|
---|
105 | Case WM_KEYDOWN
|
---|
106 | OnKeyDown(New KeyEventArgs(makeKeysFormWPLP(wp, lp)))
|
---|
107 | Case WM_KEYUP
|
---|
108 | OnKeyUp(New KeyEventArgs(makeKeysFormWPLP(wp, lp)))
|
---|
109 | Case WM_CHAR
|
---|
110 | OnKeyPress(New KeyPressEventArgs(wParam As Char))
|
---|
111 | Case WM_ENABLE
|
---|
112 | OnEnableChanged(EventArgs.Empty)
|
---|
113 | Case WM_MOVE
|
---|
114 | OnMove(EventArgs.Empty)
|
---|
115 | Case WM_SIZE
|
---|
116 | OnResize(EventArgs.Empty)
|
---|
117 | */
|
---|
118 | Case Else
|
---|
119 | WndProc = DefWndProc(msg, wp, lp)
|
---|
120 | End Select
|
---|
121 | End Function
|
---|
122 |
|
---|
123 | Virtual Function DefWndProc(msg As DWord, wp As WPARAM, lp As LPARAM) As LRESULT
|
---|
124 | DefWndProc = DefWindowProc(wnd.HWnd, msg, wp, lp)
|
---|
125 | End Function
|
---|
126 |
|
---|
127 | Private
|
---|
128 | Function makeKeysFormWPLP(wp As WPARAM, lp As LPARAM) As Keys
|
---|
129 | Dim t As DWord
|
---|
130 | t = wp And Keys.KeyCode
|
---|
131 | t Or= (GetKeyState(VK_SHIFT) As Word And &h8000) << 1
|
---|
132 | t Or= (GetKeyState(VK_CONTROL) As Word And &h8000) << 2
|
---|
133 | t Or= (GetKeyState(VK_MENU) As Word And &h8000) << 3
|
---|
134 | makeKeysFormWPLP = t As Keys
|
---|
135 | End Function
|
---|
136 |
|
---|
137 |
|
---|
138 | '--------------------------------
|
---|
139 | ' ウィンドウメッセージ処理
|
---|
140 |
|
---|
141 | '--------
|
---|
142 | ' 2
|
---|
143 |
|
---|
144 | Protected
|
---|
145 | /*!
|
---|
146 | @biref ウィンドウの背景を描画する。
|
---|
147 | @date 2007/12/04
|
---|
148 | */
|
---|
149 | Virtual Sub OnPaintBackground(e As PaintDCBackGroundEventArgs)
|
---|
150 | Dim hbr = (COLOR_3DFACE + 1) As HBRUSH
|
---|
151 | FillRect(e.Handle, e.ClipRect, hbr)
|
---|
152 | e.Handled = True
|
---|
153 | End Sub
|
---|
154 |
|
---|
155 | '--------
|
---|
156 | 'イベント
|
---|
157 | ' 3
|
---|
158 |
|
---|
159 | #include "ControlEvent.sbp"
|
---|
160 |
|
---|
161 | '--------------------------------
|
---|
162 | ' 1 インスタンスメンバ変数
|
---|
163 | Private
|
---|
164 | wnd As WindowHandle
|
---|
165 |
|
---|
166 | '--------------------------------
|
---|
167 | ' 1 初期ウィンドウクラス
|
---|
168 | Private
|
---|
169 | Static Function WndProcFirst(hwnd As HWND, msg As DWord, wp As WPARAM, lp As LPARAM) As LRESULT
|
---|
170 | Imports System.Runtime.InteropServices
|
---|
171 |
|
---|
172 | Dim rThis = Control.FromHWndCore(hwnd)
|
---|
173 | If IsNothing(rThis) Then
|
---|
174 | Dim gchValue = TlsGetValue(tlsIndex) As LONG_PTR
|
---|
175 | TlsSetValue(tlsIndex, 0)
|
---|
176 | If gchValue = 0 Then
|
---|
177 | Goto *InstanceIsNotFound
|
---|
178 | End If
|
---|
179 | Dim gch = GCHandle.FromIntPtr(gchValue)
|
---|
180 | rThis = gch.Target As Control
|
---|
181 | ' ウィンドウが作られて最初にWndProcFirstが呼ばれたとき
|
---|
182 |
|
---|
183 | If IsNothing(rThis) Then
|
---|
184 | Goto *InstanceIsNotFound
|
---|
185 | End If
|
---|
186 | rThis.wnd = New WindowHandle(hwnd)
|
---|
187 | rThis.wnd.SetProp(PropertyInstance, gchValue As HANDLE)
|
---|
188 | End If
|
---|
189 | WndProcFirst = rThis.WndProc(msg, wp, lp)
|
---|
190 | If msg = WM_NCDESTROY Then
|
---|
191 | Dim gchValue = GetProp(hwnd, PropertyInstance As ULONG_PTR As PCTSTR) As ULONG_PTR
|
---|
192 | If gchValue <> 0 Then
|
---|
193 | Dim gch = GCHandle.FromIntPtr(gchValue)
|
---|
194 | gch.Free()
|
---|
195 | End If
|
---|
196 | End If
|
---|
197 |
|
---|
198 | Exit Function
|
---|
199 |
|
---|
200 | *InstanceIsNotFound
|
---|
201 | OutputDebugString("ActiveBasic.Windows.UI.Control.WndProcFirst: The attached instance is not found.")
|
---|
202 | WndProcFirst = DefWindowProc(hwnd, msg, wp, lp)
|
---|
203 | End Function
|
---|
204 |
|
---|
205 | ' Static Const WM_CONTROL_INVOKE = WM_USER + 0 As DWord
|
---|
206 | ' Static Const WM_CONTROL_BEGININVOKE = WM_USER + 1 As DWord
|
---|
207 |
|
---|
208 | '--------------------------------
|
---|
209 | ' 1 初期化終了関連(特にウィンドウクラス)
|
---|
210 |
|
---|
211 | 'ウィンドウ作成時にウィンドウプロシージャへThisを伝えるためのもの
|
---|
212 | Static tlsIndex As DWord
|
---|
213 |
|
---|
214 | Static hInstance As HINSTANCE
|
---|
215 | Static atom As ATOM
|
---|
216 |
|
---|
217 | Static Const WindowClassName = "ActiveBasic.Windows.UI.Control"
|
---|
218 | Static Const PropertyInstance = 0 As ATOM
|
---|
219 | Public
|
---|
220 | Static Sub Initialize(hinst As HINSTANCE)
|
---|
221 | tlsIndex = TlsAlloc()
|
---|
222 | hInstance = hinst
|
---|
223 |
|
---|
224 | Dim PropertyInstanceString = WindowClassName + " " + Hex$(GetCurrentProcessId())
|
---|
225 | PropertyInstance = GlobalAddAtom(ToTCStr(PropertyInstanceString))
|
---|
226 |
|
---|
227 | Dim wcx As WNDCLASSEX
|
---|
228 | With wcx
|
---|
229 | .cbSize = Len (wcx)
|
---|
230 | .style = CS_HREDRAW Or CS_VREDRAW Or CS_DBLCLKS
|
---|
231 | .lpfnWndProc = AddressOf (WndProcFirst)
|
---|
232 | .cbClsExtra = 0
|
---|
233 | .cbWndExtra = 0
|
---|
234 | .hInstance = hinst
|
---|
235 | .hIcon = 0
|
---|
236 | .hCursor = LoadImage(0, MAKEINTRESOURCE(IDC_ARROW), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE Or LR_SHARED) As HCURSOR
|
---|
237 | .hbrBackground = 0
|
---|
238 | .lpszMenuName = 0
|
---|
239 | .lpszClassName = ToTCStr(WindowClassName)
|
---|
240 | .hIconSm = 0
|
---|
241 | End With
|
---|
242 | atom = RegisterClassEx(wcx)
|
---|
243 | If atom = 0 Then
|
---|
244 | Dim buf[1023] As TCHAR
|
---|
245 | wsprintf(buf, Ex"ActiveBasic.Windows.UI.Control.Control: RegisterClasseEx failed. Error code: &h%08X\r\n", GetLastError())
|
---|
246 | OutputDebugString(buf)
|
---|
247 | Debug
|
---|
248 | ExitThread(0)
|
---|
249 | End If
|
---|
250 | End Sub
|
---|
251 |
|
---|
252 | Static Sub Uninitialize()
|
---|
253 | UnregisterClass(atom As ULONG_PTR As PCSTR, hInstance)
|
---|
254 | TlsFree(tlsIndex)
|
---|
255 | GlobalDeleteAtom(PropertyInstance)
|
---|
256 | End Sub
|
---|
257 | End Class
|
---|
258 |
|
---|
259 | Namespace Detail
|
---|
260 | Class _System_ControlIinitializer
|
---|
261 | Public
|
---|
262 | Sub _System_ControlIinitializer(hinst As HINSTANCE)
|
---|
263 | Control.Initialize(hinst)
|
---|
264 | End Sub
|
---|
265 |
|
---|
266 | Sub ~_System_ControlIinitializer()
|
---|
267 | Control.Uninitialize()
|
---|
268 | End Sub
|
---|
269 | End Class
|
---|
270 |
|
---|
271 | #ifndef _SYSTEM_NO_INITIALIZE_CONTROL_
|
---|
272 | Dim _System_ControlInitializer As _System_ControlIinitializer(GetModuleHandle(0))
|
---|
273 | #endif '_SYSTEM_NO_INITIALIZE_CONTROL_
|
---|
274 |
|
---|
275 | End Namespace 'Detail
|
---|
276 |
|
---|
277 | Class Form
|
---|
278 | Inherits Control
|
---|
279 | Protected
|
---|
280 | Override Sub GetCreateStruct(ByRef cs As CREATESTRUCT)
|
---|
281 | With cs
|
---|
282 | .lpCreateParams = 0
|
---|
283 | '.hInstance
|
---|
284 | .hMenu = 0
|
---|
285 | .hwndParent = 0
|
---|
286 | .cy = CW_USEDEFAULT
|
---|
287 | .cx = CW_USEDEFAULT
|
---|
288 | .y = CW_USEDEFAULT
|
---|
289 | .x = CW_USEDEFAULT
|
---|
290 | .style = WS_OVERLAPPEDWINDOW
|
---|
291 | .lpszName = ""
|
---|
292 | '.lpszClass
|
---|
293 | .dwExStyle = 0
|
---|
294 | End With
|
---|
295 | End Sub
|
---|
296 | Public '仮
|
---|
297 | Override Function WndProc(msg As DWord, wp As WPARAM, lp As LPARAM) As LRESULT
|
---|
298 | WndProc = 0
|
---|
299 | Select Case msg
|
---|
300 | Case WM_DESTROY
|
---|
301 | PostQuitMessage(0)
|
---|
302 | Case Else
|
---|
303 | WndProc = Super.WndProc(msg, wp, lp)
|
---|
304 | End Select
|
---|
305 | End Function
|
---|
306 | End Class
|
---|
307 |
|
---|
308 | End Namespace 'Forms
|
---|
309 | End Namespace 'UI
|
---|
310 | End Namespace 'Widnows
|
---|
311 | End Namespace 'ActiveBasic
|
---|
312 |
|
---|
313 | '----------
|
---|
314 | 'テスト実行用
|
---|
315 |
|
---|
316 | Imports ActiveBasic.Windows.UI.Forms
|
---|
317 |
|
---|
318 | Class Bar
|
---|
319 | Public
|
---|
320 | Static Sub PaintDCEvent(sender As Object, et As PaintDCEventArgs)
|
---|
321 | Dim e = et As PaintDCEventArgs
|
---|
322 | TextOut(e.Handle, 10, 10, "Hello, world", 12)
|
---|
323 | End Sub
|
---|
324 | End Class
|
---|
325 |
|
---|
326 | Dim f = New Form
|
---|
327 | f.Create()
|
---|
328 | Dim v = New PaintDCEventHandler(AddressOf (Bar.PaintDCEvent))
|
---|
329 | f.AddPaintDC(v)
|
---|
330 | f.Handle.Show(SW_SHOW)
|
---|
331 |
|
---|
332 | MessageBox(0, "hello", "", 0)
|
---|