113 lines
4.9 KiB
Python
113 lines
4.9 KiB
Python
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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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import win32api, win32gui
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import win32con, winerror
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import sys, os
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class MainWindow:
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def __init__(self):
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msg_TaskbarRestart = win32gui.RegisterWindowMessage("TaskbarCreated");
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message_map = {
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msg_TaskbarRestart: self.OnRestart,
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win32con.WM_DESTROY: self.OnDestroy,
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win32con.WM_COMMAND: self.OnCommand,
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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 = win32api.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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# Don't blow up if class already registered to make testing easier
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try:
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classAtom = win32gui.RegisterClass(wc)
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except win32gui.error as err_info:
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if err_info.winerror!=winerror.ERROR_CLASS_ALREADY_EXISTS:
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raise
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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( wc.lpszClassName, "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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self._DoCreateIcons()
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def _DoCreateIcons(self):
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# Try and find a custom icon
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hinst = win32api.GetModuleHandle(None)
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iconPathName = os.path.abspath(os.path.join( os.path.split(sys.executable)[0], "pyc.ico" ))
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if not os.path.isfile(iconPathName):
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# Look in DLLs dir, a-la py 2.5
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iconPathName = os.path.abspath(os.path.join( os.path.split(sys.executable)[0], "DLLs", "pyc.ico" ))
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if not os.path.isfile(iconPathName):
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# Look in the source tree.
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iconPathName = os.path.abspath(os.path.join( os.path.split(sys.executable)[0], "..\\PC\\pyc.ico" ))
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if os.path.isfile(iconPathName):
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icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
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hicon = win32gui.LoadImage(hinst, iconPathName, win32con.IMAGE_ICON, 0, 0, icon_flags)
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else:
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print("Can't find a Python icon file - using default")
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hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
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flags = win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP
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nid = (self.hwnd, 0, flags, win32con.WM_USER+20, hicon, "Python Demo")
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try:
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win32gui.Shell_NotifyIcon(win32gui.NIM_ADD, nid)
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except win32gui.error:
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# This is common when windows is starting, and this code is hit
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# before the taskbar has been created.
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print("Failed to add the taskbar icon - is explorer running?")
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# but keep running anyway - when explorer starts, we get the
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# TaskbarCreated message.
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def OnRestart(self, hwnd, msg, wparam, lparam):
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self._DoCreateIcons()
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def OnDestroy(self, hwnd, msg, wparam, lparam):
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nid = (self.hwnd, 0)
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win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
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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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print("You clicked me.")
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elif lparam==win32con.WM_LBUTTONDBLCLK:
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print("You double-clicked me - goodbye")
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win32gui.DestroyWindow(self.hwnd)
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elif lparam==win32con.WM_RBUTTONUP:
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print("You right clicked me.")
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menu = win32gui.CreatePopupMenu()
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win32gui.AppendMenu( menu, win32con.MF_STRING, 1023, "Display Dialog")
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win32gui.AppendMenu( menu, win32con.MF_STRING, 1024, "Say Hello")
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win32gui.AppendMenu( menu, win32con.MF_STRING, 1025, "Exit program" )
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pos = win32gui.GetCursorPos()
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# See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp
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win32gui.SetForegroundWindow(self.hwnd)
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win32gui.TrackPopupMenu(menu, win32con.TPM_LEFTALIGN, pos[0], pos[1], 0, self.hwnd, None)
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win32gui.PostMessage(self.hwnd, win32con.WM_NULL, 0, 0)
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return 1
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def OnCommand(self, hwnd, msg, wparam, lparam):
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id = win32api.LOWORD(wparam)
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if id == 1023:
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import win32gui_dialog
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win32gui_dialog.DemoModal()
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elif id == 1024:
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print("Hello")
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elif id == 1025:
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print("Goodbye")
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win32gui.DestroyWindow(self.hwnd)
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else:
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print("Unknown command -", id)
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def main():
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w=MainWindow()
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win32gui.PumpMessages()
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if __name__=='__main__':
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main()
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