This probably is the same bug as a have reported long ago, but i
experienced it with buttons. Clicking two times fast on a button do not
show any visual feedback the second time, and what 'fast' means can be
changed with the double click speed in control panel. This bug has been at
least since iup 3.0 was released.
/Robert
2012/7/20 Noam Postavsky <[email protected]>
> On Mon, Jun 18, 2012 at 8:17 PM, Noam Postavsky
> <[email protected]> wrote:
> > On Mon, Jun 18, 2012 at 2:44 PM, Antonio Scuri <[email protected]>
> wrote:
> >>> So, for instance, a double click will change the state
> >>> only once.
> >>
> >> I really don't know what it is, because internal processing in IUP is
> >> minimal. I actually commented all internal processing and behaved just
> the
> >> same.
> >
> > It looks like Windows is helpfully converting the second click into a
> > double click event. Setting the doubleclick speed from the Control
> > Panel changes the responsiveness of the IupToggle.
>
> I confirmed double click messages are being sent by adding some
> printfs to winLoopProcessMessage and winToggleWmCommand. I can't
> figure out where the double click messages are getting ignored,
> though.
>
> static int winToggleWmCommand(Ihandle* ih, WPARAM wp, LPARAM lp)
> {
> (void)lp;
>
> switch (HIWORD(wp))
> {
> case BN_DOUBLECLICKED:
> fprintf(stderr, "BN_DOUBLECLICKED\n");
> break;
> case BN_CLICKED:
> fprintf(stderr, "BN_CLICKED\n");
> break;
> }
> ...
>
> static int winLoopProcessMessage(MSG* msg)
> {
> if (msg->message == WM_QUIT) /* IUP_CLOSE returned in a callback or
> IupHide in a popup dialog or all dialogs closed */
> return IUP_CLOSE;
> else
> {
> switch (msg->message) {
> case WM_LBUTTONDOWN:
> fprintf(stderr, "WM_LBUTTONDOWN\n");
> break;
> case WM_LBUTTONDBLCLK:
> fprintf(stderr, "WM_LBUTTONDBLCLK\n");
> break;
> }
>
> TranslateMessage(msg);
> DispatchMessage(msg);
> return IUP_DEFAULT;
> }
> }
>
>
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