Hey, I noticed that exact some thing yesterday! I just threw a WinResetClip() at the
top of my MainFormUpdate() routine and it works now. I checked out this behavior on a
3.3 ROM and found the same behavior...
It would be nice to know WHY this happens, though...
Alan
>I am noticing some wierd behavior in the color POSE and the debug OS 3.5 and I am
>wondering what the right thing to do is.
>
>The problem occurs when a FrmUpdateEvent is sent to the form, like after doing a
>find, and then canceling the find dialog.
>
>The first thing I noticed is that the window attached to the current active form, is
>NOT the same as what you get when you call WinGetActiveWindow() at this point. It
>looks like the WinGetActiveWindow is the Find window, but I can't quite tell. If I
>draw to the WinGetActiveWindow at this point, the drawing is all shifted down to the
>top of where the Find window used to be...it is shifted, not clipped.
>
>So, to get around this, I instead got the window out of the active form, and drew to
>that. Now the problem is that I first call FrmDrawForm, like I am supposed to do, and
>then start drawing. The FrmDrawForm erases the whole screen, but subsequent drawing
>is now all CLIPPED to where the Find window used to be. I checked the window
>structure, and the clipping rectangle is set to where the Find window used to be, so
>I suspect the clipping is what is supposed to happen. However, it appears the
>FrmDrawForm is ignoring the current clipping rectangle and blasting the whole screen.
>
>What should I do, reset the clipping rectangle so that my drawing doesn't clip any
>more?
>
>Here is some source code as an example. The _currentScreen is an offscreen window.
>
>static void DrawingDrawForm(void)
>{
> RectangleType r;
> UInt8* pLock = NULL;
> IndexedColorType curForeColor;
> FormPtr pForm;
> WinHandle hWin;
>
> pForm = FrmGetActiveForm();
> FrmDrawForm(pForm); // blasts the whole form
>
> //hWin = WinGetActiveWindow(); // not really the active form's window any more
> hWin = FrmGetWindowHandle(pForm);
>
> RctSetRectangle (&r, 0, 0, 160, 140);
> WinCopyRectangle (_currentScreen, hWin, &r, 0, 0, scrCopy); // clipped to
>active window's clipping rect
>}
>
>Thanks,
>
>Shannon
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>Hands High Software
>Award winning software for the Palm(tm) Computing platform
>
><http://www.handshigh.com/>
>
>[EMAIL PROTECTED]
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>--
>For information on using the Palm Developer Forums, or to unsubscribe, please see
>http://www.palm.com/devzone/mailinglists.html
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palm.com/devzone/mailinglists.html
