Exemple #1
0
void wxProgressDialog::OnClose(wxCloseEvent& event)
{
    if ( m_state == Uncancelable )
    {
        // can't close this dialog
        event.Veto();
    }
    else if ( m_state == Finished )
    {
        // let the default handler close the window as we already terminated
        event.Skip();
    }
    else
    {
        // next Update() will notice it
        m_state = Canceled;
        DisableAbort();
        DisableSkip();

        m_timeStop = wxGetCurrentTime();
    }
}
Exemple #2
0
void wxProgressDialog::OnCancel(wxCommandEvent& event)
{
    if ( m_state == Finished )
    {
        // this means that the count down is already finished and we're being
        // shown as a modal dialog - so just let the default handler do the job
        event.Skip();
    }
    else
    {
        // request to cancel was received, the next time Update() is called we
        // will handle it
        m_state = Canceled;

        // update the buttons state immediately so that the user knows that the
        // request has been noticed
        DisableAbort();
        DisableSkip();

        // save the time when the dialog was stopped
        m_timeStop = wxGetCurrentTime();
    }
}
Exemple #3
0
void wxProgressDialog::OnSkip(wxCommandEvent& WXUNUSED(event))
{
    DisableSkip();
    m_skip = true;
}
Exemple #4
0
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") );

    if ( m_gauge )
        m_gauge->SetValue(value);

    UpdateMessage(newmsg);

    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 // not at maximum yet
    {
        return DoAfterUpdate(skip);
    }

    // update the display in case yielding above didn't do it
    Update();

    return m_state != Canceled;
}
Exemple #5
0
bool
wxGenericProgressDialog::Update(int value, const wxString& newmsg, bool *skip)
{
    if ( !DoBeforeUpdate(skip) )
        return false;

    wxCHECK_MSG( m_gauge, false, "dialog should be fully created" );

#ifdef __WXMSW__
    value /= m_factor;
#endif // __WXMSW__

    wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );

    m_gauge->SetValue(value);

    UpdateMessage(newmsg);

    if ( (m_elapsed || m_remaining || m_estimated) && (value != 0) )
    {
        unsigned long elapsed;
        unsigned long display_remaining;

        UpdateTimeEstimates( value,
                             elapsed,
                             m_display_estimated,
                             display_remaining );

        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( !HasPDFlag(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."));
            }

            // allow the window to repaint:
            // NOTE: since we yield only for UI events with this call, there
            //       should be no side-effects
            wxEventLoopBase::GetActive()->YieldFor(wxEVT_CATEGORY_UI);

            // NOTE: this call results in a new event loop being created
            //       and to a call to ProcessPendingEvents() (which may generate
            //       unwanted re-entrancies).
            (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 // not at maximum yet
    {
        DoAfterUpdate();
    }

    // update the display in case yielding above didn't do it
    Update();

    return m_state != Canceled;
}