added test for Replace(whatever, "")

[wxWidgets.git] / src / generic / progdlgg.cpp

diff --git a/src/generic/progdlgg.cpp b/src/generic/progdlgg.cpp
index e6cfc0231c7204e21d2a2283c27867d8de238ab7..25a42355ae779be7ce2db4b41e097af304ee5b7a 100644 (file)
--- a/src/generic/progdlgg.cpp
+++ b/src/generic/progdlgg.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        progdlgg.h
+// Name:        src/generic/progdlgg.cpp

 // Purpose:     wxProgressDialog class
 // Purpose:     wxProgressDialog class

-// Author:      Karsten Ballüder
+// Author:      Karsten Ballueder

 // Modified by:
 // Created:     09.05.1999
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     09.05.1999
 // RCS-ID:      $Id$

-// Copyright:   (c) Karsten Ballüder
+// Copyright:   (c) Karsten Ballueder

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "progdlgg.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -35,23 +31,38 @@
     #include "wx/frame.h"
     #include "wx/button.h"
     #include "wx/stattext.h"
     #include "wx/frame.h"
     #include "wx/button.h"
     #include "wx/stattext.h"

-    #include "wx/layout.h"
+    #include "wx/sizer.h"

     #include "wx/event.h"
     #include "wx/gauge.h"
     #include "wx/intl.h"
     #include "wx/event.h"
     #include "wx/gauge.h"
     #include "wx/intl.h"

-    #include "wx/settings.h"

     #include "wx/dcclient.h"
     #include "wx/timer.h"
     #include "wx/dcclient.h"
     #include "wx/timer.h"

+    #include "wx/settings.h"

 #endif
 
 #endif
 

-#include "wx/generic/progdlgg.h"
+#include "wx/progdlg.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
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

-#define LAYOUT_X_MARGIN 8
-#define LAYOUT_Y_MARGIN 8
+#define LAYOUT_MARGIN wxLARGESMALL(8,2)
+
+static const int wxID_SKIP = 32000;  // whatever

 
 // ----------------------------------------------------------------------------
 // private functions
 
 // ----------------------------------------------------------------------------
 // private functions


@@ -66,6 +77,7 @@ static void SetTimeLabel(unsigned long val, wxStaticText *label);
 
 BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog)
     EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel)
 
 BEGIN_EVENT_TABLE(wxProgressDialog, wxDialog)
     EVT_BUTTON(wxID_CANCEL, wxProgressDialog::OnCancel)

+    EVT_BUTTON(wxID_SKIP, wxProgressDialog::OnSkip)

 
     EVT_CLOSE(wxProgressDialog::OnClose)
 END_EVENT_TABLE()
 
     EVT_CLOSE(wxProgressDialog::OnClose)
 END_EVENT_TABLE()


@@ -80,32 +92,40 @@ IMPLEMENT_CLASS(wxProgressDialog, wxDialog)
 // wxProgressDialog creation
 // ----------------------------------------------------------------------------
 
 // wxProgressDialog creation
 // ----------------------------------------------------------------------------
 

-wxProgressDialog::wxProgressDialog(wxString const &title,
-                                   wxString const &message,
+wxProgressDialog::wxProgressDialog(const wxString& title,
+                                   const wxString& message,

                                    int maximum,
                                    wxWindow *parent,
                                    int style)
                                    int maximum,
                                    wxWindow *parent,
                                    int style)

-                : wxDialog(parent, wxID_ANY, title)
+                : wxDialog(GetParentForModalDialog(parent), wxID_ANY, title),
+                  m_skip(false),
+                  m_delay(3),
+                  m_hasAbortButton(false),
+                  m_hasSkipButton(false)

 {
     // we may disappear at any moment, let the others know about it
     SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);
 {
     // we may disappear at any moment, let the others know about it
     SetExtraStyle(GetExtraStyle() | wxWS_EX_TRANSIENT);

-

     m_windowStyle |= style;
 
     m_windowStyle |= style;
 

-    bool hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
+    m_hasAbortButton = (style & wxPD_CAN_ABORT) != 0;
+    m_hasSkipButton = (style & wxPD_CAN_SKIP) != 0;

 
 #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 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 ( !hasAbortButton )
+    if ( !m_hasAbortButton )

     {
         EnableCloseButton(false);
     }
 #endif // wxMSW
 
     {
         EnableCloseButton(false);
     }
 #endif // wxMSW
 

-    m_state = hasAbortButton ? Continue : Uncancelable;
+#if defined(__SMARTPHONE__)
+    SetLeftMenu();
+#endif
+
+    m_state = m_hasAbortButton ? Continue : Uncancelable;

     m_maximum = maximum;
 
 #if defined(__WXMSW__) || defined(__WXPM__)
     m_maximum = maximum;
 
 #if defined(__WXMSW__) || defined(__WXPM__)


@@ -117,126 +137,122 @@ wxProgressDialog::wxProgressDialog(wxString const &title,
 
     m_parentTop = wxGetTopLevelParent(parent);
 
 
     m_parentTop = wxGetTopLevelParent(parent);
 

-    wxLayoutConstraints *c;
-

     wxClientDC dc(this);
     dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
     wxClientDC dc(this);
     dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));

-    long widthText;
+    wxCoord widthText = 0;

     dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
 
     dc.GetTextExtent(message, &widthText, NULL, NULL, NULL, NULL);
 

-    m_msg = new wxStaticText(this, wxID_ANY, message);
-    c = new wxLayoutConstraints;
-    c->left.SameAs(this, wxLeft, 2*LAYOUT_X_MARGIN);
-    c->top.SameAs(this, wxTop, 2*LAYOUT_Y_MARGIN);
-    c->width.AsIs();
-    c->height.AsIs();
-    m_msg->SetConstraints(c);
-
-    wxSize sizeDlg,
-           sizeLabel = m_msg->GetSize();
-    sizeDlg.y = 2*LAYOUT_Y_MARGIN + sizeLabel.y;
+    // top-level sizerTop
+    wxSizer * const sizerTop = new wxBoxSizer(wxVERTICAL);

 
 

-    wxWindow *lastWindow = m_msg;
+    m_msg = new wxStaticText(this, wxID_ANY, message);
+    sizerTop->Add(m_msg, 0, wxLEFT | wxTOP, 2*LAYOUT_MARGIN);

 
 

+    wxSize sizeLabel = m_msg->GetSize();

     if ( maximum > 0 )
     {
     if ( maximum > 0 )
     {

-        // note that we can't use wxGA_SMOOTH because it happens to
-        // cause the dialog to be modal. Have an extra
-        // style argument to wxProgressDialog, perhaps.
-        m_gauge = new wxGauge(this, wxID_ANY, m_maximum,
-                              wxDefaultPosition, wxDefaultSize,
-                              wxGA_HORIZONTAL);
-
-        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);
+        int gauge_style = wxGA_HORIZONTAL;
+        if ( style & wxPD_SMOOTH )
+            gauge_style |= wxGA_SMOOTH;
+        m_gauge = new wxGauge
+                      (
+                        this,
+                        wxID_ANY,
+                        m_maximum,
+                        wxDefaultPosition,
+                        // make the progress bar sufficiently long
+                        wxSize(wxMin(wxGetClientDisplayRect().width/3, 300), -1),
+                        gauge_style
+                      );
+
+        sizerTop->Add(m_gauge, 0, wxLEFT | wxRIGHT | wxTOP | wxEXPAND, 2*LAYOUT_MARGIN);

         m_gauge->SetValue(0);
         m_gauge->SetValue(0);

-        lastWindow = m_gauge;
-
-        wxSize sizeGauge = m_gauge->GetSize();
-        sizeDlg.y += 2*LAYOUT_Y_MARGIN + sizeGauge.y;

     }
     else
     }
     else

-        m_gauge = (wxGauge *)NULL;
+    {
+        m_gauge = NULL;
+    }

 
     // create the estimated/remaining/total time zones if requested
 
     // create the estimated/remaining/total time zones if requested

-    m_elapsed = m_estimated = m_remaining = (wxStaticText*)NULL;
-
-    // if we are going to have at least one label, remmeber it in this var
-    wxStaticText *label = NULL;
+    m_elapsed =
+    m_estimated =
+    m_remaining = NULL;
+    m_display_estimated =
+    m_last_timeupdate =
+    m_break = 0;
+    m_ctdelay = 0;

 
     // also count how many labels we really have
     size_t nTimeLabels = 0;
 
 
     // also count how many labels we really have
     size_t nTimeLabels = 0;
 

+    wxSizer * const sizerLabels = new wxFlexGridSizer(2);
+

     if ( style & wxPD_ELAPSED_TIME )
     {
         nTimeLabels++;
 
     if ( style & wxPD_ELAPSED_TIME )
     {
         nTimeLabels++;
 

-        label =
-        m_elapsed = CreateLabel(_("Elapsed time : "), &lastWindow);
+        m_elapsed = CreateLabel(_("Elapsed time:"), sizerLabels);

     }
 
     if ( style & wxPD_ESTIMATED_TIME )
     {
         nTimeLabels++;
 
     }
 
     if ( style & wxPD_ESTIMATED_TIME )
     {
         nTimeLabels++;
 

-        label =
-        m_estimated = CreateLabel(_("Estimated time : "), &lastWindow);
+        m_estimated = CreateLabel(_("Estimated time:"), sizerLabels);

     }
 
     if ( style & wxPD_REMAINING_TIME )
     {
         nTimeLabels++;
 
     }
 
     if ( style & wxPD_REMAINING_TIME )
     {
         nTimeLabels++;
 

-        label =
-        m_remaining = CreateLabel(_("Remaining time : "), &lastWindow);
+        m_remaining = CreateLabel(_("Remaining time:"), sizerLabels);

     }
     }

+    sizerTop->Add(sizerLabels, 0, wxALIGN_CENTER_HORIZONTAL | wxTOP, LAYOUT_MARGIN);

 
     if ( nTimeLabels > 0 )
     {
         // set it to the current time
         m_timeStart = wxGetCurrentTime();
 
     if ( nTimeLabels > 0 )
     {
         // set it to the current time
         m_timeStart = wxGetCurrentTime();

-        sizeDlg.y += nTimeLabels * (label->GetSize().y + LAYOUT_Y_MARGIN);

     }
 
     }
 

-    if ( hasAbortButton )
-    {
-        m_btnAbort = new wxButton(this, wxID_CANCEL, _("Cancel"));
-        c = new wxLayoutConstraints;
+#if defined(__SMARTPHONE__)
+    if ( m_hasSkipButton )
+        SetRightMenu(wxID_SKIP, _("Skip"));
+    if ( m_hasAbortButton )
+        SetLeftMenu(wxID_CANCEL);
+#else
+    m_btnAbort =
+    m_btnSkip = NULL;

 
 

-        // Windows dialogs usually have buttons in the lower right corner
+    wxBoxSizer *buttonSizer = new wxBoxSizer(wxHORIZONTAL);
+
+    // Windows dialogs usually have buttons in the lower right corner
+    const int sizerFlags =

 #if defined(__WXMSW__) || defined(__WXPM__)
 #if defined(__WXMSW__) || defined(__WXPM__)

-        c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
+                           wxALIGN_RIGHT | wxALL

 #else // !MSW
 #else // !MSW

-        c->centreX.SameAs(this, wxCentreX);
+                           wxALIGN_CENTER_HORIZONTAL | wxBOTTOM | wxTOP

 #endif // MSW/!MSW
 #endif // MSW/!MSW

-        c->bottom.SameAs(this, wxBottom, 2*LAYOUT_Y_MARGIN);
-
-        c->width.AsIs();
-        c->height.AsIs();
+                           ;

 
 

-        m_btnAbort->SetConstraints(c);
+    if ( m_hasSkipButton )
+    {
+        m_btnSkip = new wxButton(this, wxID_SKIP, _("&Skip"));

 
 

-        sizeDlg.y += 2*LAYOUT_Y_MARGIN + wxButton::GetDefaultSize().y;
+        buttonSizer->Add(m_btnSkip, 0, sizerFlags, LAYOUT_MARGIN);

     }
     }

-    else // no "Cancel" button
+
+    if ( m_hasAbortButton )

     {
     {

-        m_btnAbort = (wxButton *)NULL;
-    }
+        m_btnAbort = new wxButton(this, wxID_CANCEL);

 
 

-    SetAutoLayout(true);
-    Layout();
+        buttonSizer->Add(m_btnAbort, 0, sizerFlags, LAYOUT_MARGIN);
+    }

 
 

-    sizeDlg.y += 2*LAYOUT_Y_MARGIN;
+    sizerTop->Add(buttonSizer, 0, sizerFlags, LAYOUT_MARGIN );
+#endif // __SMARTPHONE__/!__SMARTPHONE__

 
 

-    // try to make the dialog not square but rectangular of reasonabel width
-    sizeDlg.x = (wxCoord)wxMax(widthText, 4*sizeDlg.y/3);
-    sizeDlg.x *= 3;
-    sizeDlg.x /= 2;
-    SetClientSize(sizeDlg);
+    SetSizerAndFit(sizerTop);

 
     Centre(wxCENTER_FRAME | wxBOTH);
 
 
     Centre(wxCENTER_FRAME | wxBOTH);
 


@@ -265,37 +281,28 @@ wxProgressDialog::wxProgressDialog(wxString const &title,
     Update();
 }
 
     Update();
 }
 

-wxStaticText *wxProgressDialog::CreateLabel(const wxString& text,
-                                            wxWindow **lastWindow)
+wxStaticText *
+wxProgressDialog::CreateLabel(const wxString& text, wxSizer *sizer)

 {
 {

-    wxLayoutConstraints *c;
-
-    wxStaticText *label = new wxStaticText(this, wxID_ANY, _("unknown"));
-    c = new wxLayoutConstraints;
+    wxStaticText *label = new wxStaticText(this, wxID_ANY, text);
+    wxStaticText *value = new wxStaticText(this, wxID_ANY, _("unknown"));
+
+    // select placement most native or nice on target GUI
+#if defined(__SMARTPHONE__)
+    // value and time to the left in two rows
+    sizer->Add(label, 1, wxALIGN_LEFT);
+    sizer->Add(value, 1, wxALIGN_LEFT);
+#elif defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__) || defined(__WXGTK20__)
+    // value and time centered in one row
+    sizer->Add(label, 1, wxLARGESMALL(wxALIGN_RIGHT,wxALIGN_LEFT) | wxTOP | wxRIGHT, LAYOUT_MARGIN);
+    sizer->Add(value, 1, wxALIGN_LEFT | wxTOP, LAYOUT_MARGIN);
+#else
+    // value and time to the right in one row
+    sizer->Add(label);
+    sizer->Add(value, 0, wxLEFT, LAYOUT_MARGIN);
+#endif

 
 

-    // VZ: I like the labels be centered - if the others don't mind, you may
-    //     remove "#ifdef __WXMSW__" and use it for all ports
-#if defined(__WXMSW__) || defined(__WXPM__) || defined(__WXMAC__)
-    c->left.SameAs(this, wxCentreX, LAYOUT_X_MARGIN);
-#else // !MSW
-    c->right.SameAs(this, wxRight, 2*LAYOUT_X_MARGIN);
-#endif // MSW/!MSW
-    c->top.Below(*lastWindow, LAYOUT_Y_MARGIN);
-    c->width.AsIs();
-    c->height.AsIs();
-    label->SetConstraints(c);
-
-    wxStaticText *dummy = new wxStaticText(this, wxID_ANY, text);
-    c = new wxLayoutConstraints;
-    c->right.LeftOf(label);
-    c->top.SameAs(label, wxTop, 0);
-    c->width.AsIs();
-    c->height.AsIs();
-    dummy->SetConstraints(c);
-
-    *lastWindow = label;
-
-    return label;
+    return value;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -303,7 +310,7 @@ wxStaticText *wxProgressDialog::CreateLabel(const wxString& text,
 // ----------------------------------------------------------------------------
 
 bool
 // ----------------------------------------------------------------------------
 
 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") );
 
 {
     wxASSERT_MSG( value == -1 || m_gauge, wxT("cannot update non existent dialog") );
 


@@ -313,51 +320,83 @@ wxProgressDialog::Update(int value, const wxString& newmsg)
 
     wxASSERT_MSG( value <= m_maximum, wxT("invalid progress value") );
 
 
     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.IsEmpty() )
-    {
-        m_msg->SetLabel(newmsg);
+    if ( m_gauge )
+        m_gauge->SetValue(value);

 
 

-        wxYieldIfNeeded() ;
-    }
+    UpdateMessage(newmsg);

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

-        unsigned long estimated = (unsigned long)(( (double) elapsed * m_maximum ) / ((double)value)) ;
-        unsigned long remaining = estimated - elapsed;
+        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(elapsed, m_elapsed);

-        SetTimeLabel(estimated, m_estimated);
-        SetTimeLabel(remaining, m_remaining);
+        SetTimeLabel(m_display_estimated, m_estimated);
+        SetTimeLabel(display_remaining, m_remaining);

     }
 
     if ( value == m_maximum )
     {
     }
 
     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) )
         {
         // so that we return true below and that out [Cancel] handler knew what
         // to do
         m_state = Finished;
         if( !(GetWindowStyle() & wxPD_AUTO_HIDE) )
         {

-            if ( m_btnAbort )
-            {
-                // tell the user what he should do...
-                m_btnAbort->SetLabel(_("Close"));
-            }
+            EnableClose();
+            DisableSkip();

 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)

-            else // enable the button to give the user a way to close the dlg
-            {
-                EnableCloseButton();
-            }
+            EnableCloseButton();

 #endif // __WXMSW__
 
 #endif // __WXMSW__
 

-            if ( !newmsg )
+            if ( newmsg.empty() )

             {
                 // also provide the finishing message if the application didn't
                 m_msg->SetLabel(_("Done."));
             {
                 // also provide the finishing message if the application didn't
                 m_msg->SetLabel(_("Done."));


@@ -377,11 +416,9 @@ wxProgressDialog::Update(int value, const wxString& newmsg)
             Hide();
         }
     }
             Hide();
         }
     }

-    else
+    else // not at maximum yet

     {
     {

-        // we have to yield because not only we want to update the display but
-        // also to process the clicks on the cancel button
-        wxYieldIfNeeded() ;
+        return DoAfterUpdate(skip);

     }
 
     // update the display in case yielding above didn't do it
     }
 
     // update the display in case yielding above didn't do it


@@ -390,13 +427,54 @@ wxProgressDialog::Update(int value, const wxString& newmsg)
     return m_state != Canceled;
 }
 
     return m_state != Canceled;
 }
 

+bool wxProgressDialog::Pulse(const wxString& newmsg, bool *skip)
+{
+    wxASSERT_MSG( m_gauge, wxT("cannot update non existent dialog") );
+
+    // show a bit of progress
+    m_gauge->Pulse();
+
+    UpdateMessage(newmsg);
+
+    if (m_elapsed || m_remaining || m_estimated)
+    {
+        unsigned long elapsed = wxGetCurrentTime() - m_timeStart;
+
+        SetTimeLabel(elapsed, m_elapsed);
+        SetTimeLabel((unsigned long)-1, m_estimated);
+        SetTimeLabel((unsigned long)-1, m_remaining);
+    }
+
+    return DoAfterUpdate(skip);
+}
+
+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;
+}
+

 void wxProgressDialog::Resume()
 {
     m_state = Continue;
 void wxProgressDialog::Resume()
 {
     m_state = Continue;

+    m_ctdelay = m_delay; // force an update of the elapsed/estimated/remaining time
+    m_break += wxGetCurrentTime()-m_timeStop;

 
 

-    // it may have been disabled by OnCancel(), so enable it back to let the
-    // user interrupt us again if needed
-    m_btnAbort->Enable();
+    EnableAbort();
+    EnableSkip();
+    m_skip = false;

 }
 
 bool wxProgressDialog::Show( bool show )
 }
 
 bool wxProgressDialog::Show( bool show )


@@ -428,12 +506,22 @@ void wxProgressDialog::OnCancel(wxCommandEvent& event)
         // will handle it
         m_state = Canceled;
 
         // will handle it
         m_state = Canceled;
 

-        // update the button state immediately so that the user knows that the
+        // update the buttons state immediately so that the user knows that the

         // request has been noticed
         // request has been noticed

-        m_btnAbort->Disable();
+        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 )
 void wxProgressDialog::OnClose(wxCloseEvent& event)
 {
     if ( m_state == Uncancelable )


@@ -450,6 +538,10 @@ void wxProgressDialog::OnClose(wxCloseEvent& event)
     {
         // next Update() will notice it
         m_state = Canceled;
     {
         // next Update() will notice it
         m_state = Canceled;

+        DisableAbort();
+        DisableSkip();
+
+        m_timeStop = wxGetCurrentTime();

     }
 }
 
     }
 }
 


@@ -486,14 +578,80 @@ static void SetTimeLabel(unsigned long val, wxStaticText *label)
     if ( label )
     {
         wxString s;
     if ( label )
     {
         wxString s;

+
+        if (val != (unsigned long)-1)
+        {

         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);
         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);

+        }
+        else
+        {
+            s = _("Unknown");
+        }

 
         if ( s != label->GetLabel() )
             label->SetLabel(s);
     }
 }
 
 
         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
+    }
+}
+
+void wxProgressDialog::UpdateMessage(const wxString &newmsg)
+{
+    if ( !newmsg.empty() && newmsg != m_msg->GetLabel() )
+    {
+        m_msg->SetLabel(newmsg);
+
+        wxYieldIfNeeded() ;
+    }
+}
+

 #endif // wxUSE_PROGRESSDLG
 #endif // wxUSE_PROGRESSDLG