OK - I think there is something wrong with fltk-1.3, and by extension
fltk3, in terms of handling windows placed at an (x,y) of (0,0).
This also affects windows that would have been created slightly
off-screen, which then get clipped to the screen boundary edges.
This, I think, is what is messing up fluid under win32, for both
fltk-1.3 and fltk3, though the bug is not in fluid, but in the fltk
core.
Consider the code sample below:
- Compiled with fltk-1.1 it shows a window such that the title bar is
placed at the top left edge of the screen; but the title bar is visible
and accessible.
- Compiled with fltk-1.3 it shows the window such that the window
*content* is placed at the top left of the screen; the title bar is
inaccessible.
I believe the fltk-1.3 behaviour is a regression and should be fixed.
I'm not sure where the change is coming from. This looks like something
we've changed in the handling of screen limits or something though, at a
guess. Anybody know?
A bit disappointing we never caught this before 1.3.0 though... I guess
we catch this in fltk-1.3.1 or so...
/* Where is a window positioned at (0,0) placed?
* fltk-1.1 and fltk-1.3 handle this differently...
* fltk-1.3 is probably wrong? */
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Button.H>
static Fl_Double_Window *main_win=(Fl_Double_Window *)0;
static void cb_Quit(Fl_Button*, void*) {
main_win->hide();
}
int main(int argc, char **argv) {
main_win = new Fl_Double_Window(0, 0, 332, 331, "Test Window");
main_win->begin();
Fl_Button* o = new Fl_Button(220, 255, 80, 45, "Quit");
o->callback((Fl_Callback*)cb_Quit);
main_win->end();
main_win->show(argc, argv);
return Fl::run();
}
/* end of file */
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