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## Creates a task-bar icon. Run from Python.exe to see the
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## messages printed.
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##EBorges
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##05.08.03
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import win32api, win32con, win32gui
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class Taskbar:
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def __init__(self):
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self.visible = 0
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message_map = {
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win32con.WM_DESTROY: self.onDestroy,
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win32con.WM_USER+20 : self.onTaskbarNotify,
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}
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# Register the Window class.
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wc = win32gui.WNDCLASS()
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hinst = wc.hInstance = win32api.GetModuleHandle(None)
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wc.lpszClassName = "PythonTaskbarDemo"
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wc.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW;
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wc.hCursor = win32gui.LoadCursor( 0, win32con.IDC_ARROW )
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wc.hbrBackground = win32con.COLOR_WINDOW
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wc.lpfnWndProc = message_map # could also specify a wndproc.
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classAtom = win32gui.RegisterClass(wc)
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# Create the Window.
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style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
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self.hwnd = win32gui.CreateWindow( classAtom, "Taskbar Demo", style, \
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0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, \
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0, 0, hinst, None)
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win32gui.UpdateWindow(self.hwnd)
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def setIcon(self, hicon, tooltip=None):
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self.hicon = hicon
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self.tooltip = tooltip
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def show(self):
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"""Display the taskbar icon"""
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flags = win32gui.NIF_ICON | win32gui.NIF_MESSAGE
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if self.tooltip is not None:
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flags |= win32gui.NIF_TIP
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nid = (self.hwnd, 0, flags, win32con.WM_USER+20, self.hicon, self.tooltip)
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else:
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nid = (self.hwnd, 0, flags, win32con.WM_USER+20, self.hicon)
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if self.visible:
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self.hide()
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win32gui.Shell_NotifyIcon(win32gui.NIM_ADD, nid)
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self.visible = 1
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def hide(self):
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"""Hide the taskbar icon"""
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if self.visible:
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nid = (self.hwnd, 0)
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win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
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self.visible = 0
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def onDestroy(self, hwnd, msg, wparam, lparam):
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self.hide()
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win32gui.PostQuitMessage(0) # Terminate the app.
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def onTaskbarNotify(self, hwnd, msg, wparam, lparam):
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if lparam == win32con.WM_LBUTTONUP:
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self.onClick()
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elif lparam == win32con.WM_LBUTTONDBLCLK:
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self.onDoubleClick()
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return 1
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def onClick(self):
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"""Override in subclassess"""
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pass
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def onDoubleClick(self):
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"""Override in subclassess"""
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pass
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if __name__=='__main__':
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class DemoTaskbar(Taskbar):
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def __init__(self):
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Taskbar.__init__(self)
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icon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
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message = "Hey Fritz!"
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self.setIcon(icon,message)
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self.show()
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def onClick(self):
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print "you clicked"
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def onDoubleClick(self):
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print "you double clicked, bye!"
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win32gui.PostQuitMessage(0)
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t = DemoTaskbar()
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win32gui.PumpMessages() # start demo
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