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.venv/Lib/site-packages/pythonwin/pywin/Demos/createwin.py

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+#
+# 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)