G01_0350/venv_win32/Lib/site-packages/pythonwin/pywin/Demos/createwin.py

#
# Window creation example
#
#	This example creates a minimal "control" that just fills in its
#	window with red.  To make your own control, subclass Control and
#	write your own OnPaint() method.  See PyCWnd.HookMessage for what
#	the parameters to OnPaint are.
#

from pywin.mfc import dialog, window
import win32ui
import win32con
import win32api

class Control(window.Wnd):
	"""Generic control class"""
	def __init__ (self):
		window.Wnd.__init__(self, win32ui.CreateWnd ())

	def OnPaint (self):
		dc, paintStruct = self.BeginPaint()
		self.DoPaint(dc)
		self.EndPaint(paintStruct)
		
	def DoPaint (self, dc):	# Override this!
		pass

class RedBox (Control):
	def DoPaint (self, dc):
		dc.FillSolidRect (self.GetClientRect(), win32api.RGB(255,0,0))
	

class RedBoxWithPie (RedBox):
	def DoPaint (self, dc):
		RedBox.DoPaint(self, dc)
		r = self.GetClientRect()
		dc.Pie(r[0], r[1], r[2], r[3], 0,0,r[2], r[3]//2)

def MakeDlgTemplate():
    style = (win32con.DS_MODALFRAME |
	     win32con.WS_POPUP |
	     win32con.WS_VISIBLE |
	     win32con.WS_CAPTION |
	     win32con.WS_SYSMENU |
	     win32con.DS_SETFONT)
    cs = (win32con.WS_CHILD |
	  win32con.WS_VISIBLE)

    w = 64
    h = 64

    dlg = [["Red box",
	    (0, 0, w, h),
	    style,
	    None,
	    (8, "MS Sans Serif")],
	   ]

    s = win32con.WS_TABSTOP | cs

    dlg.append([128,
		"Cancel",
		win32con.IDCANCEL,
		(7, h - 18, 50, 14), s | win32con.BS_PUSHBUTTON])

    return dlg

class TestDialog(dialog.Dialog):
    def OnInitDialog(self):
        rc = dialog.Dialog.OnInitDialog(self)
        self.redbox = RedBox ()
        self.redbox.CreateWindow (None, "RedBox",
                                 win32con.WS_CHILD |
                                 win32con.WS_VISIBLE,
                                 (5, 5, 90, 68),
                                 self, 1003)
        return rc

class TestPieDialog(dialog.Dialog):
    def OnInitDialog(self):
        rc = dialog.Dialog.OnInitDialog(self)
        self.control = RedBoxWithPie()
        self.control.CreateWindow (None, "RedBox with Pie",
                                 win32con.WS_CHILD |
                                 win32con.WS_VISIBLE,
                                 (5, 5, 90, 68),
                                 self, 1003)
                                 
def demo(modal=0):
	d = TestPieDialog (MakeDlgTemplate())
	if modal:
		d.DoModal()
	else:
		d.CreateWindow()

if __name__=='__main__':
	demo(1)