void wxProgressDialog::Resume()
{
m_state = Continue;
m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time
m_break += wxGetCurrentTime()-m_timeStop;
EnableAbort();
EnableSkip();
m_skip = false;
}
bool wxProgressDialog::DoAfterUpdate(bool *skip)
{
// we have to yield because not only we want to update the display but
// also to process the clicks on the cancel and skip buttons
wxYieldIfNeeded();
Update();
if ( m_skip && skip && !*skip )
{
*skip = true;
m_skip = false;
EnableSkip();
}
return m_state != Canceled;
}
bool wxGenericProgressDialog::DoBeforeUpdate(bool *skip)
{
// we have to yield because not only we want to update the display but
// also to process the clicks on the cancel and skip buttons
// NOTE: using YieldFor() this call shouldn't give re-entrancy problems
// for event handlers not interested to UI/user-input events.
wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI|wxEVT_CATEGORY_USER_INPUT);
Update();
if ( m_skip && skip && !*skip )
{
*skip = true;
m_skip = false;
EnableSkip();
}
return m_state != Canceled;
}
bool
wxProgressDialog::Update(int value, const wxString& newmsg, bool *skip)
{
wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") );
#ifdef __WXMSW__
value /= m_factor;
#endif // __WXMSW__
wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
// fill up the gauge if value == maximum because this means that the dialog
// is going to close and the gauge shouldn't be partly empty in this case
if ( m_gauge && value <= m_maximum )
{
m_gauge->SetValue(value == m_maximum ? value : value + 1);
}
if ( !newmsg.empty() && newmsg != m_msg->GetLabel() )
{
m_msg->SetLabel(newmsg);
wxYieldIfNeeded() ;
}
if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
{
unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
if ( m_last_timeupdate < elapsed
|| value == m_maximum
)
{
m_last_timeupdate = elapsed;
unsigned long estimated = m_break +
(unsigned long)(( (double) (elapsed-m_break) * m_maximum ) / ((double)value)) ;
if ( estimated > m_display_estimated
&& m_ctdelay >= 0
)
{
++m_ctdelay;
}
else if ( estimated < m_display_estimated
&& m_ctdelay <= 0
)
{
--m_ctdelay;
}
else
{
m_ctdelay = 0;
}
if ( m_ctdelay >= m_delay // enough confirmations for a higher value
|| m_ctdelay <= (m_delay*-1) // enough confirmations for a lower value
|| value == m_maximum // to stay consistent
|| elapsed > m_display_estimated // to stay consistent
|| ( elapsed > 0 && elapsed < 4 ) // additional updates in the beginning
)
{
m_display_estimated = estimated;
m_ctdelay = 0;
}
}
long display_remaining = m_display_estimated - elapsed;
if ( display_remaining < 0 )
{
display_remaining = 0;
}
SetTimeLabel(elapsed, m_elapsed);
SetTimeLabel(m_display_estimated, m_estimated);
SetTimeLabel(display_remaining, m_remaining);
}
if ( value == m_maximum )
{
if ( m_state == Finished )
{
// ignore multiple calls to Update(m_maximum): it may sometimes be
// troublesome to ensure that Update() is not called twice with the
// same value (e.g. because of the rounding errors) and if we don't
// return now we're going to generate asserts below
return true;
}
// so that we return true below and that out [Cancel] handler knew what
// to do
m_state = Finished;
if( !(GetWindowStyle() & wxPD_AUTO_HIDE) )
{
EnableClose();
DisableSkip();
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
EnableCloseButton();
#endif // __WXMSW__
if ( newmsg.empty() )
{
// also provide the finishing message if the application didn't
m_msg->SetLabel(_("Done."));
}
wxYieldIfNeeded() ;
(void)ShowModal();
}
else // auto hide
{
// reenable other windows before hiding this one because otherwise
// Windows wouldn't give the focus back to the window which had
// been previously focused because it would still be disabled
ReenableOtherWindows();
Hide();
}
}
else
{
// we have to yield because not only we want to update the display but
// also to process the clicks on the cancel and skip buttons
wxYieldIfNeeded() ;
if ( (m_skip) && (skip != NULL) && (*skip == false) )
{
*skip = true;
m_skip = false;
EnableSkip();
}
}
// update the display in case yielding above didn't do it
Update();
return m_state != Canceled;
}
