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!
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