On Jan 9, 1:33 pm, Thomas Hansen <[email protected]> wrote:
> On Jan 8, 6:39 pm, "Alex Holkner" <[email protected]> wrote:
>
>
>
> > On Fri, Jan 9, 2009 at 11:38 AM, Alex Holkner <[email protected]>
> > wrote:
> > > On Fri, Jan 9, 2009 at 10:51 AM, Thomas Hansen <[email protected]>
> > > wrote:
>
> > >> this is a long shot...sorry i am not very experienced with win32 and
> > >> this might be more of a win32 question than a pyglet question
>
> > >> i have this pyglet app which runs in a nice window and implements a
> > >> COM server so that it can be start and control it from Visual Basic
> > >> etc. What I would like to do is make it the window a child window of
> > >> the actual application that launches it.
>
> > >> I have tried calling:
> > >> win32gui.SetParent(self._hwnd, parent_hwnd)
> > >> within my window class (inherist from pyglet.window.Window) with
> > >> little success..the window just disappears.
>
> > >> other calls like win32gui.SetWindowPos(self._hwnd, ...) seem to work
> > >> fine and have the expected effect
>
> > >> Any ideas on how to accomplish this? or is it simply not
> > >> possible...I'm worried calling setParent destroys the OpenGl context
> > >> or something like that..although there doesnt seeem to be any errors
> > >> thrown by calling setParent. I have looked at the pyglet window code
> > >> for win32 and how it creates the window. it calls CreateWindowExW;
> > >> maybe I can hack pyglet here to achieve the desired effect?
>
> > >> I'm really trying to avoid having to implement this app in C/C++ just
> > >> so the window can be hooked to another appliaction window as a
> > >> controll. Any dieas?
>
> > > I don't think reparenting the window is going to work. However,
> > > setting the window's parent in CreateWindowExW should work fine.
> > > (Change the 0 under the 'height' argument to your parent window's
> > > hwnd).
>
> > You may also need to change the window style from WS_OVERLAPPED etc to
> > WS_CHILD.
>
> > Alex.
>
> Alex,
>
> thanks alot for you help. I've tried your suggestions but havent
> managed to get it to work yet. I have added a handle to the parent
> window in the BaseWindow class of my local pyglet install. If I try
> to set the parent window top most by calling from my pyglet window:
>
> win32gui.SetWindowPos(self.parent_hwnd, win32con.HWND_TOPMOST,
> 0,0,0,0, win32con.SWP_NOMOVE | win32con.SWP_NOSIZE)
>
> that works fine; which makes me think my handle to the external window
> works properly.
>
> I then tried the following in the Win32Window's _create method,
> attempting to make the window a child window of the external window
> (with handle: self.parent_hwnd). I changed the parent parameter (the
> one after height) to the parent handle, likeyou suggested. i set the
> EX style to 0 and the WS style to WS_CHILD. However, as soon as I
> pass the parent handle to CreateWindowExW, neither of the windows are
> displayed when I run the application, even if I leave the other style
> parameters as is. Any ideas?
>
> if self.parent_hwnd==0:
> self._hwnd = _user32.CreateWindowExW(
> self._ex_ws_style,
> self._window_class.lpszClassName,
> u'',
> self._ws_style,
> CW_USEDEFAULT,
> CW_USEDEFAULT,
> width,
> height,
> 0,
> 0,
> self._window_class.hInstance,
> 0)
> else: #we have a child window
> self._hwnd = _user32.CreateWindowExW(
> 0,
> self._window_class.lpszClassName,
> u'',
> WS_CHILD,
> CW_USEDEFAULT,
> CW_USEDEFAULT,
> width,
> height,
> self.parent_hwnd,
> 0,
> self._window_class.hInstance,
> 0)
>
> Again, thanks alot!
_user32.CreateWindowExW does not return when i pass it the parent
handle. Do I have to type cast or make sure the parent handle is of a
specific type. I guess I only tried it with win32gui.SetWindowPos();
Maybe win32gui works different than the libs you call directly via
ctypes here?
If this gets too off-topic for this mailing list let me know, im just
trying to figure it out and figure i might as well keep posting my
progress if anyone else ever wants to do something similar with a
pyglet window.
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