X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9111db680241332df07dd22db32973e20f77fb1a..c1d8296a78d1f630952fc5395e4072c8a654b8ef:/src/generic/progdlgg.cpp

diff --git a/src/generic/progdlgg.cpp b/src/generic/progdlgg.cpp
index c43494211f..e623577737 100644
--- a/src/generic/progdlgg.cpp
+++ b/src/generic/progdlgg.cpp
@@ -6,141 +6,631 @@
 // Created:     09.05.1999
 // RCS-ID:      $Id$
 // Copyright:   (c) Karsten Ballüder
-// Licence:   	wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "progdlgg.h"
-#endif
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_PROGRESSDLG
+
 #ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/frame.h"
-#include "wx/button.h"
-#include "wx/stattext.h"
-#include "wx/layout.h"
-#include "wx/event.h"
-#include "wx/gauge.h"
-#include "wx/intl.h"
+    #include "wx/utils.h"
+    #include "wx/frame.h"
+    #include "wx/button.h"
+    #include "wx/stattext.h"
+    #include "wx/sizer.h"
+    #include "wx/event.h"
+    #include "wx/gauge.h"
+    #include "wx/intl.h"
+    #include "wx/dcclient.h"
+    #include "wx/timer.h"
 #endif
 
 #include "wx/generic/progdlgg.h"
+#include "wx/settings.h"
+
+// ---------------------------------------------------------------------------
+// macros
+// ---------------------------------------------------------------------------
+
+/* Macro for avoiding #ifdefs when value have to be different depending on size of
+   device we display on - take it from something like wxDesktopPolicy in the future
+ */
+
+#if defined(__SMARTPHONE__)
+    #define wxLARGESMALL(large,small) small
+#else
+    #define wxLARGESMALL(large,small) large
+#endif
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
 
-#define LAYOUT_X_MARGIN 8
-#define LAYOUT_Y_MARGIN 8
+#define LAYOUT_MARGIN wxLARGESMALL(8,2)
 
-// wxTextEntryDialog
+static const int wxID_SKIP = 32000;  // whatever
 
-#if !USE_SHARED_LIBRARY
-BEGIN_EVENT_TABLE(wxProgressDialog, wxFrame)
-   EVT_BUTTON(-1, wxProgressDialog::OnCancel)
-   EVT_CLOSE(wxProgressDialog::OnClose)
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// update the label to show the given time (in seconds)
+static void SetTimeLabel(unsigned long val, wxStaticText *label);
+
+// ----------------------------------------------------------------------------
+// event tables
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog)
+    EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel)
+    EVT_BUTTON(wxID_SKIP, wxProgressDialog::OnSkip)
+
+    EVT_CLOSE(wxProgressDialog::OnClose)
 END_EVENT_TABLE()
 
-   IMPLEMENT_CLASS(wxProgressDialog, wxFrame)
-#endif
+IMPLEMENT_CLASS(wxProgressDialog, wxDialog)
+
+// ============================================================================
+// wxProgressDialog implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxProgressDialog creation
+// ----------------------------------------------------------------------------
 
 wxProgressDialog::wxProgressDialog(wxString const &title,
-                                 wxString const &message,
-                                 int maximum,
-                                 wxWindow *parent,
-                                 bool parentOnly,
-                                 bool abortButton)
+                                   wxString const &message,
+                                   int maximum,
+                                   wxWindow *parent,
+                                   int style)
+                : wxDialog(parent, wxID_ANY, title),
+                  m_skip(false),
+                  m_delay(3),
+                  m_hasAbortButton(false),
+                  m_hasSkipButton(false)
 {
-   m_state = abortButton ? Continue : Uncancelable;
-   m_disableParentOnly = parentOnly;
-   m_parent = parent;
-   
-   int height = 70;     // FIXME arbitrary numbers
-   if ( abortButton )
-      height += 35;
-   wxFrame::Create(m_parent, -1, title,
-                   wxPoint(0, 0), wxSize(220, height),
-                   wxDEFAULT_DIALOG_STYLE);
-
-   wxLayoutConstraints *c;
-
-   m_msg = new wxStaticText(this, -1, message);
-   c = new wxLayoutConstraints;
-   c->left.SameAs(this, wxLeft, 10);
-   c->top.SameAs(this, wxTop, 10);
-   c->width.AsIs();
-   c->height.AsIs();
-   m_msg->SetConstraints(c);
-
-   if(maximum > 0)
-   {
-      m_gauge = new wxGauge(this, -1, maximum);
-      c = new wxLayoutConstraints;
-      c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
-      c->top.Below(m_msg, 2*LAYOUT_Y_MARGIN);
-      c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
-      c->height.AsIs();
-      m_gauge->SetConstraints(c);
-      m_gauge->SetValue(0);
-   }
-   else
-      m_gauge = NULL;
-   
-   if ( abortButton )
-   {
-      wxControl *ctrl = new wxButton(this, -1, _("Cancel"));
-      c = new wxLayoutConstraints;
-      c->centreX.SameAs(this, wxCentreX);
-      if(m_gauge)
-         c->top.Below(m_gauge, 2*LAYOUT_Y_MARGIN);
-      else
-         c->top.Below(ctrl, 2*LAYOUT_Y_MARGIN);
-      c->width.AsIs();
-      c->height.AsIs();
-      ctrl->SetConstraints(c);
-   }
-
-   SetAutoLayout(TRUE);
-   Show(TRUE);
-   Centre(wxCENTER_FRAME | wxBOTH);
-
-   if(m_disableParentOnly)
-      m_parent->Enable(false);
-   else
-      wxEnableTopLevelWindows(false);
-   Enable(true); // enable this window
-   wxYield();
+    // we may disappear at any moment, let the others know about it
+    SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);
+    m_windowStyle |= style;
+
+    m_hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
+    m_hasSkipButton = (style & wxPD_CAN_SKIP) != 0;
+
+    bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
+
+#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
+    // we have to remove the "Close" button from the title bar then as it is
+    // confusing to have it - it doesn't work anyhow
+    //
+    // FIXME: should probably have a (extended?) window style for this
+    if ( !m_hasAbortButton )
+    {
+        EnableCloseButton(false);
+    }
+#endif // wxMSW
+
+#if defined(__SMARTPHONE__)
+    SetLeftMenu();
+#endif
+
+    m_state = m_hasAbortButton ? Continue : Uncancelable;
+    m_maximum = maximum;
+
+#if defined(__WXMSW__) || defined(__WXPM__)
+    // we can't have values > 65,536 in the progress control under Windows, so
+    // scale everything down
+    m_factor = m_maximum / 65536 + 1;
+    m_maximum /= m_factor;
+#endif // __WXMSW__
+
+    m_parentTop = wxGetTopLevelParent(parent);
+
+    wxClientDC dc(this);
+    dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
+    long widthText;
+    dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
+
+    wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
+
+    m_msg = new wxStaticText(this, wxID_ANY, message);
+    sizer->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN);
+
+    wxSize sizeDlg,
+           sizeLabel = m_msg->GetSize();
+    sizeDlg.y = 2*LAYOUT_MARGIN + sizeLabel.y;
+
+    if ( maximum > 0 )
+    {
+        int gauge_style = wxGA_HORIZONTAL;
+        if ( ( style & wxPD_SMOOTH ) == wxPD_SMOOTH )
+            gauge_style |= wxGA_SMOOTH;
+        m_gauge = new wxGauge(this, wxID_ANY, m_maximum,
+                              wxDefaultPosition, wxDefaultSize,
+                              gauge_style );
+
+        sizer->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN);
+        m_gauge->SetValue(0);
+
+        wxSize sizeGauge = m_gauge->GetSize();
+        sizeDlg.y += 2*LAYOUT_MARGIN + sizeGauge.y;
+    }
+    else
+        m_gauge = (wxGauge *)NULL;
+
+    // create the estimated/remaining/total time zones if requested
+    m_elapsed = m_estimated = m_remaining = (wxStaticText*)NULL;
+    m_display_estimated = m_last_timeupdate = m_break = 0;
+    m_ctdelay = 0;
+
+    // if we are going to have at least one label, remmeber it in this var
+    wxStaticText *label = NULL;
+
+    // also count how many labels we really have
+    size_t nTimeLabels = 0;
+
+    if ( style & wxPD_ELAPSED_TIME )
+    {
+        nTimeLabels++;
+
+        label =
+        m_elapsed = CreateLabel(_("Elapsed time : "), sizer);
+    }
+
+    if ( style & wxPD_ESTIMATED_TIME )
+    {
+        nTimeLabels++;
+
+        label =
+        m_estimated = CreateLabel(_("Estimated time : "), sizer);
+    }
+
+    if ( style & wxPD_REMAINING_TIME )
+    {
+        nTimeLabels++;
+
+        label =
+        m_remaining = CreateLabel(_("Remaining time : "), sizer);
+    }
+
+    if ( nTimeLabels > 0 )
+    {
+        // set it to the current time
+        m_timeStart = wxGetCurrentTime();
+        sizeDlg.y += nTimeLabels * (label->GetSize().y + LAYOUT_MARGIN);
+    }
+
+#if defined(__SMARTPHONE__)
+    if ( m_hasSkipButton )
+        SetRightMenu(wxID_SKIP, _("Skip"));
+    if ( m_hasAbortButton )
+        SetLeftMenu(wxID_CANCEL);
+#else
+    m_btnAbort = m_btnSkip = (wxButton *)NULL;
+    bool sizeDlgModified = false;
+    wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+
+    const int sizerFlags =
+#if defined(__WXMSW__) || defined(__WXPM__)
+                           wxALIGN_RIGHT | wxALL
+#else // !MSW
+                           wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP
+#endif // MSW/!MSW
+                           ;
+
+    if ( m_hasSkipButton )
+    {
+        m_btnSkip = new wxButton(this, wxID_SKIP, _("Skip"));
+
+        // Windows dialogs usually have buttons in the lower right corner
+        buttonSizer->Add(m_btnSkip, 0, sizerFlags, LAYOUT_MARGIN);
+        sizeDlg.y += 2*LAYOUT_MARGIN + wxButton::GetDefaultSize().y;
+        sizeDlgModified = true;
+    }
+
+    if ( m_hasAbortButton )
+    {
+        m_btnAbort = new wxButton(this, wxID_CANCEL);
+
+        // Windows dialogs usually have buttons in the lower right corner
+        buttonSizer->Add(m_btnAbort, 0, sizerFlags, LAYOUT_MARGIN);
+        if(!sizeDlgModified)
+            sizeDlg.y += 2*LAYOUT_MARGIN + wxButton::GetDefaultSize().y;
+    }
+
+    sizer->Add(buttonSizer, 0, sizerFlags, LAYOUT_MARGIN );
+#endif // __SMARTPHONE__/!__SMARTPHONE__
+
+    SetSizerAndFit(sizer);
+
+    if (!isPda)
+    {
+        sizeDlg.y += 2*LAYOUT_MARGIN;
+
+        // try to make the dialog not square but rectangular of reasonable width
+        sizeDlg.x = (wxCoord)wxMax(widthText, 4*sizeDlg.y/3);
+        sizeDlg.x *= 3;
+        sizeDlg.x /= 2;
+        SetClientSize(sizeDlg);
+    }
+
+    Centre(wxCENTER_FRAME | wxBOTH);
+
+    if ( style & wxPD_APP_MODAL )
+    {
+        m_winDisabler = new wxWindowDisabler(this);
+    }
+    else
+    {
+        if ( m_parentTop )
+            m_parentTop->Disable();
+        m_winDisabler = NULL;
+    }
+
+    Show();
+    Enable();
+
+    // this one can be initialized even if the others are unknown for now
+    //
+    // NB: do it after calling Layout() to keep the labels correctly aligned
+    if ( m_elapsed )
+    {
+        SetTimeLabel(0, m_elapsed);
+    }
+
+    Update();
+}
+
+wxStaticText *wxProgressDialog::CreateLabel(const wxString& text,
+                                            wxSizer *sizer)
+{
+    wxBoxSizer *locsizer = new wxBoxSizer(wxLARGESMALL(wxHORIZONTAL,wxVERTICAL));
+
+    wxStaticText *dummy = new wxStaticText(this, wxID_ANY, text);
+    wxStaticText *label = new wxStaticText(this, wxID_ANY, _("unknown"));
+
+    // select placement most native or nice on target GUI
+#if defined(__SMARTPHONE__)
+    // label and time to the left in two rows
+    locsizer->Add(dummy, 1, wxALIGN_LEFT);
+    locsizer->Add(label, 1, wxALIGN_LEFT);
+    sizer->Add(locsizer, 0, wxALIGN_LEFT | wxTOP | wxLEFT, LAYOUT_MARGIN);
+#elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
+    // label and time centered in one row
+    locsizer->Add(dummy, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT));
+    locsizer->Add(label, 1, wxALIGN_LEFT | wxLEFT, LAYOUT_MARGIN);
+    sizer->Add(locsizer, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN);
+#else
+    // label and time to the right in one row
+    sizer->Add(locsizer, 0, wxALIGN_RIGHT | wxRIGHT | wxTOP, LAYOUT_MARGIN);
+    locsizer->Add(dummy);
+    locsizer->Add(label, 0, wxLEFT, LAYOUT_MARGIN);
+#endif
+
+    return label;
 }
 
+// ----------------------------------------------------------------------------
+// wxProgressDialog operations
+// ----------------------------------------------------------------------------
 
 bool
-wxProgressDialog::Update(int value, const wxString& newmsg)
+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;
+}
+
+void wxProgressDialog::Resume()
 {
-   wxASSERT(value == -1 || m_gauge);
-   if(m_gauge)
-      m_gauge->SetValue(value);
-   if(!newmsg.IsNull())
-      m_msg->SetLabel(newmsg);
-   wxYield();
-   return m_state != Canceled;
+    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::Show( bool show )
+{
+    // 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
+    if(!show)
+        ReenableOtherWindows();
+
+    return wxDialog::Show(show);
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+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();
+    }
+}
+
+void wxProgressDialog::OnSkip(wxCommandEvent& WXUNUSED(event))
+{
+    DisableSkip();
+    m_skip = true;
 }
 
 void wxProgressDialog::OnClose(wxCloseEvent& event)
 {
-   if ( m_state == Uncancelable )
-      event.Veto(TRUE);
-   else
-      m_state = Canceled;
+    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();
+    }
 }
 
+// ----------------------------------------------------------------------------
+// destruction
+// ----------------------------------------------------------------------------
 
 wxProgressDialog::~wxProgressDialog()
 {
-   if(m_disableParentOnly)
-      m_parent->Enable(true);
-   else
-      wxEnableTopLevelWindows(true);
+    // normally this should have been already done, but just in case
+    ReenableOtherWindows();
 }
+
+void wxProgressDialog::ReenableOtherWindows()
+{
+    if ( GetWindowStyle() & wxPD_APP_MODAL )
+    {
+        delete m_winDisabler;
+        m_winDisabler = (wxWindowDisabler *)NULL;
+    }
+    else
+    {
+        if ( m_parentTop )
+            m_parentTop->Enable();
+    }
+}
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+static void SetTimeLabel(unsigned long val, wxStaticText *label)
+{
+    if ( label )
+    {
+        wxString s;
+        unsigned long hours = val / 3600;
+        unsigned long minutes = (val % 3600) / 60;
+        unsigned long seconds = val % 60;
+        s.Printf(wxT("%lu:%02lu:%02lu"), hours, minutes, seconds);
+
+        if ( s != label->GetLabel() )
+            label->SetLabel(s);
+    }
+}
+
+void wxProgressDialog::EnableSkip(bool enable)
+{
+    if(m_hasSkipButton)
+    {
+#ifdef __SMARTPHONE__
+        if(enable)
+            SetRightMenu(wxID_SKIP, _("Skip"));
+        else
+            SetRightMenu();
+#else
+        if(m_btnSkip)
+            m_btnSkip->Enable(enable);
+#endif
+    }
+}
+
+void wxProgressDialog::EnableAbort(bool enable)
+{
+    if(m_hasAbortButton)
+    {
+#ifdef __SMARTPHONE__
+        if(enable)
+            SetLeftMenu(wxID_CANCEL); // stock buttons makes Cancel label
+        else
+            SetLeftMenu();
+#else
+        if(m_btnAbort)
+            m_btnAbort->Enable(enable);
+#endif
+    }
+}
+
+void wxProgressDialog::EnableClose()
+{
+    if(m_hasAbortButton)
+    {
+#ifdef __SMARTPHONE__
+        SetLeftMenu(wxID_CANCEL, _("Close"));
+#else
+        if(m_btnAbort)
+        {
+            m_btnAbort->Enable();
+            m_btnAbort->SetLabel(_("Close"));
+        }
+#endif
+    }
+}
+
+#endif // wxUSE_PROGRESSDLG