MVC the source code of the entire sample

The following is the source code for the whole MVC sample:

#windows应用程序 # Developer: Cai Junsheng (qq:9073204) Shenzhen 2014-9-24 #使用类来描写叙述from ctypes import *from ctypes.wintypes import *ws_ex_appwindow = 0x40000ws_overlappedwindow = 0xcf0000ws_caption = 0xc00000sw_shownormal = 1sw_show = 5cs_hredraw = 2CS_VREDRAW = 1CW_USE         DEFAULT = 0x80000000mk_lbutton = 0x0001mk_rbutton = 0x0002mk_shift = 0x0004mk_control = 0x0008mk_mbutton = 0x0010wm_null = 0wm_destroy = 2wm_nccreate = 0x0081wm_paint = 0x000fwm_mousemove = 0x0200WM_LBU Ttondown = 0x0201wm_lbuttonup = 0x0202wm_capturechanged = 0x0215white_brush = 0gwl_userdata = -21IDC_ARROW = 32512WNDPROCT YPE = Winfunctype (C_int, HWND, C_uint, WPARAM, LPARAM) #定义窗体类结构class wndclassex (Structure): _fields_ = [("Cbsize", C_uin                T), ("style", C_uint), ("Lpfnwndproc", Wndproctype), ("Cbclsextra", C_int),                ("Cbwndextra", C_int), ("HInstance", HANDLE), ("Hicon", HANDLE),   ("Hcursor", HANDLE),             ("Hbrush", HANDLE), ("Lpszmenuname", LPCWSTR), ("lpszClassName", LPCWSTR), ("Hiconsm", HANDLE)] #定义创建窗体的參数结构class createstructw (Structure): _fields_ = [("lpCreateParams", LPVOID), ("HInstance", HANDLE ), ("HMenu", HMenu), ("hWndParent", HWND), ("Cy", C_int), ("CX ", C_int), (" Y ", C_int), (" X ", C_int), (" style ", LONG), (" Lpsz Name ", LPCWSTR), (" Lpszclass ", LPCWSTR), (" dwExStyle ", DWORD)] #定义窗体画图结构class paintstruct (Str                Ucture): _fields_ = [(' hdc ', C_int), (' Ferase ', C_int), (' Rcpaint ', RECT),     (' Frestore ', C_int), (' Fincupdate ', C_int), (' rgbreserved ', C_wchar * +)] #窗体类class window: def __init__ (Self, hwnd): Self.hwnd = HWnd def Display (self, cmdshow): Windll.user32.sHowwindow (Self.hwnd, Cmdshow) Windll.user32.UpdateWindow (Self.hwnd) def capturemouse (self): Windll.user32 . SetCapture (Self.hwnd) def releasemouse (self): Windll.user32.ReleaseCapture () def hascapture (s ELF): Return False def isctrl (self, WParam): Return (WParam & mk_control)! = 0 def isshift (Self, WParam): Return (WParam & mk_shift)! = 0 def islbutton (self, WParam): Return (WParam & Mk_ Lbutton)! = 0 def ismbutton (self, WParam): Return (WParam & mk_mbutton)! = 0 def isrbutton (self, WPar AM): Return (WParam & mk_rbutton)! = 0 #窗体类型注冊类class winclassmaker:def __init__ (self, Wndpro C, ClassName, hInst): Self.wndclass = Wndclassex () self.wndClass.cbSize = sizeof (wndclassex) Self.wnd Class.style = Cs_hredraw | Cs_vredraw Self.wndClass.lpfnWndProc = WndProc Self.wndClass.cbClsExtra = 0 self.wndClass.cbWndExTra = 0 Self.wndClass.hInstance = HInst Self.wndClass.hIcon = 0 Self.wndClass.hCursor = Windll.user32 . LOADCURSORW (0, idc_arrow) Self.wndClass.hBrush = Windll.gdi32.GetStockObject (White_brush) self.wndClass.lpsz        MenuName = 0 Self.wndClass.lpszClassName = ClassName self.wndClass.hIconSm = 0 def Register (self): Return Windll.user32.RegisterClassExW (ByRef (self.wndclass)) #创建窗体class winmaker:def __init__ (self, className, hInst) : Self.classname = className Self.hinst = hInst Self.style = Ws_overlappedwindow |        Ws_caption Self.exstyle = 0 self.x = Cw_usedefault self.y = 0 Self.width = Cw_usedefault Self.height = 0 Self.hwndparent = hwnd (0) Self.hmenu = hwnd (0) Self.wndcreatdata = c_void_p (0) d EF Create (self, Wndcreatdata, title): Self.hwnd = Windll.user32.CreateWindowExW (Self.exstyle, S Elf.classname, title, Self.style, self.x, Self.y, Self.width, Self.height, Self.hwndparent, Self.hmenu, Self.hinst, Py_object (wndcreatdata)) if not self.hWnd:print (' Failed to create win        Dow ') exit (0) return Self.hwndclass controller:def __init__ (self): Self.hwnd = HWnd () Self.msgfun = {wm_destroy:self. OnDestroy, Wm_paint:self. OnPaint, Wm_mousemove:self. OnMouseMove, Wm_lbuttondown:self. OnLButtonDown, Wm_lbuttonup:self. OnLButtonUp, Wm_capturechanged:self. Oncapturechanged, Wm_null:self. Onnull #最后一个函数处理, convenient to insert function in front} def setwnd (self, hwnd): Self.hwnd = hwnd def GETW nd (self): return Self.hwnd def getpoint (self, lParam): pt = Point () pt.x = LParam & 0x FFFF Pt.y= (lparam>>16) & 0xFFFF return pt def mywndproc (self, hWnd, MSG, WParam, LParam): If Ms            G in Self.msgfun and Self.msgfun[msg] (WParam, LParam): return 0 Else:        Return Windll.user32.DefWindowProcW (HWnd, MSG, WParam, LParam) def onnull (self, WParam, LParam): Pass        Return False def ondestroy (self, WParam, LParam): Windll.user32.PostQuitMessage (0) print (' OnDestroy ') Return True def OnPaint (self, WParam, LParam): Pass return False def OnMouseMove (self, WParam, LParam): Pass return False def onlbuttondown (self, WParam, LParam): Pass return False de        F OnLButtonUp (self, WParam, LParam): Pass return False def oncapturechanged (self, WParam, LParam): Pass return False #窗体消息处理回调函数def pywndproc (hWnd, MSG, WParam, lParam): Pyctrl = Windll.user32.GetWindowLongW    (HWnd, Gwl_userdata)if Msg = = WM_NCCREATE:CREATSTRUCTW = Cast (LParam, POINTER (CREATESTRUCTW)). Contents Pyctrl = CREATSTRUCTW.LP        CreateParams Windll.user32.SetWindowLongW (hWnd, Gwl_userdata, Pyctrl) #获取控制类对象 CTRL = CAST (Pyctrl, Py_object). Value CTRL. Setwnd (hWnd) if Pyctrl: #获取控制类对象 Ctrl = CAST (Pyctrl, py_object). Value Return CTRL . Mywndproc (hwnd, MSG, WParam, LParam) Else:return Windll.user32.DefWindowProcW (hwnd, MSG, WParam, LParam ) #画布class Canvas:def __init__ (Self, hdc): SELF.HDC = hdc def gethdc (self): return self.hdc def Set Pixel (self, x, y, color): Windll.gdi32.SetPixel (SELF.HDC, x, y, color) def MoveTo (self, x, y): Windll.gdi 32.MoveToEx (SELF.HDC, x, y, 0) def LineTo (self, x, y): Windll.gdi32.LineTo (SELF.HDC, X, y) def line (s Elf, x1, y1, x2, y2): Windll.gdi32.MoveToEx (SELF.HDC, x1, y1, 0) windll.gdi32.LineTo (Self.hdc, x2, y2) def Text (self, x, y, text): Windll.gdi32.TextOutW (SELF.HDC, x, y, text, len (text)) d EF RGB (self, r, G, b): R = r & 0xFF g = g & 0xFF B = B & 0xFF return (b << 1 6) | (g << 8) | R class Paintcanvas (Canvas): "" "for OnPaint Message Processing" "" Def __init__ (Self, hwnd): Self.hwnd = hwnd SELF.PA int = paintstruct () hdc = Windll.user32.BeginPaint (Self.hwnd, ByRef (Self.paint)) canvas.__init__ (sel F, HDC) def __del__ (self): Windll.user32.EndPaint (Self.hwnd, ByRef (self.paint)) class Updatecanvas (Canvas): "" "For update Form" "" Def __init__ (Self, hwnd): HDC = Windll.user32.GetDC (hwnd) canvas.__init__ (self, hdc) SE Lf.hwnd = HWnd def __del__ (self): Windll.user32.ReleaseDC (Self.hwnd, SELF.HDC) #画笔class pen:def __init__ (sel        F, Penstyle, width, color): Self.hpe = Windll.gdi32.CreatePen (penstyle, width, color) def __del__ (self): WiNdll.gdi32.DeleteObject (SELF.HPE) def gethpe (self): return self.hpeclass holder:def __init__ (self, HDC, hobj ): SELF.HDC = hdc Self.old = Windll.gdi32.SelectObject (hdc, hobj) def __del__ (self): windll.gdi32. SelectObject (SELF.HDC, Self.old) #MVC类 # Model classes Class Model:def __init__ (self): Self.ptlist = [] Self.maxli ST = def addpoint (self, x, Y, Isstart): If Len (self.ptlist) > Self.maxList:self.ptList.remov        E (0) #以元组的方式保存到列表 self.ptList.append ((X,y,isstart)) def getpoint (self): return self.ptlist# view class        Class View:def __init__ (self): self.x = 0 self.y = 0 def Paint (self, canvas, ptlist): Pen = Pen (0, 0, canvas. RGB (255, 0, 0)) Penhold = Holder (canvas. GETHDC (), pen. GETHPE ()) self. Printpos (Canvas, self.x, SELF.Y) for PT in Ptlist:if pt[2]: canvas.          MoveTo (Pt[0], pt[1]) Else:      Canvas. LineTo (Pt[0], pt[1]) def printpos (self, canvas, X, y): self.x = x self.y = y strout = U ' Mo Use:%04d,%04d '% (x, y) canvas. Text (0, 0, strout) def MoveTo (self, canvas, x, Y, isVisible): If Isvisible:pen = Pen (0, 0, canvas. RGB (255, 0, 0)) Penhold = Holder (canvas. GETHDC (), pen. GETHPE ()) canvas. Line (self.x, Self.y, x, y) self. Printpos (canvas, x, y) #控制类 class Ctrlall (Controller): def __init__ (self): controller.__init__ (self) #调用基类 Construction Method Self.model = Model () Self.view = view () Self.win = Window (self. Getwnd ()) def OnPaint (self, WParam, lParam): Paint = Paintcanvas (self. Getwnd ()) Self.view.Paint (Paint, Self.model.GetPoint ()) return True def OnMouseMove (self, wParam, LParam) : Paint = Updatecanvas (self. Getwnd ()) pt = self. GetPoint (LParam) if Self.win.IsLButton (WParam):            Self.model.AddPoint (Pt.x, Pt.y, False) self.view.MoveTo (Paint, Pt.x, Pt.y, True) Else: Self.view.PrintPos (Paint, Pt.x, Pt.y) return True def onlbuttondown (self, WParam, LParam): Self.win . CaptureMouse () paint = Updatecanvas (self. Getwnd ()) pt = self.        GetPoint (LParam) self.view.MoveTo (Paint, Pt.x, Pt.y, False) self.model.AddPoint (Pt.x, Pt.y, True)    return True def onlbuttonup (self, WParam, LParam): Self.win.ReleaseMouse () return True #主函数入口 def main (): #程序实例句柄 hInst = Windll.kernel32.GetModuleHandleW (None) WndProc = Wndproctype (pywndproc) #窗体类名  Called ClassName = U ' shenzhencai ' #窗体标题 wname = U ' MVC ' #创建窗体类型 winclass = Winclassmaker (WndProc, ClassName, HInst) Winclass.register () #构造窗体对象 maker = Winmaker (ClassName, hInst) #控制类 ctrl = Ctrlall () #创建 Form win = Window (maker. Create (CTRL, Wname)) #创建显示 win.Display (sw_show) #消息循环 msg = MSG () lpmsg = pointer (msg) print (' Entering message loop ') while Windll.use R32. Getmessagew (lpmsg, 0, 0, 0)! = 0:windll.user32.translatemessage (lpmsg) Windll.user32.DispatchMessageW (lpmsg        ) print (' Done. ')           if __name__ = = "__main__": Print ("Win32 application in Python") Main ()

MVC the source code of the entire sample