> The results are the same: Under Windows it works. Under Ubuntu with
> Compiz it works. Under Ubuntu, being tunneled to Windows (using Xming)
> it works. Under Ubuntu using the standard "Visual Appearance" (that
> is, no Compiz) it produces a black area if the window is partially
> occluded.
Hmm, since this is a double buffered window,
I wonder if the 'offscreen' drawing stuff is somehow
"grabbing" the wrong buffer? (ie. the "last one drawn")
I notice I can make the problem go away if I add:
win->redraw(); Fl::wait();
..just after the while(chooser.shown()) loop, ie:
---- snip
void btncb(Fl_Widget*, void *w){
MyWindow *win = (MyWindow*)w;
Fl_File_Chooser chooser(".", "*.pnm", Fl_File_Chooser::CREATE, "Save as
PNM");
chooser.show();
while(chooser.shown()) Fl::wait();
win->redraw(); Fl::wait(); // ADD THIS
if (chooser.value() != NULL) {
win->save_pnm(chooser.value());
}
return;
}
---- snip
You probably shouldn't have to do that,
but it does seem to help on my Ubuntu 8 system.
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