Added better visual feedback for tree control

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

diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index b50ea09e07f9a2b4297668ee41acd9a15cca652f..bd75dd976025bd9f3e6679be7f6492b6f9118809 100644 (file)
--- a/src/generic/wizard.cpp
+++ b/src/generic/wizard.cpp
@@ -2,11 +2,15 @@
 // Name:        generic/wizard.cpp
 // Purpose:     generic implementation of wxWizard class
 // Author:      Vadim Zeitlin
 // Name:        generic/wizard.cpp
 // Purpose:     generic implementation of wxWizard class
 // Author:      Vadim Zeitlin

-// Modified by:
+// Modified by: Robert Cavanaugh
+//              1) Added capability for wxWizardPage to accept resources
+//              2) Added "Help" button handler stub
+//              3) Fixed ShowPage() bug on displaying bitmaps
+//              Robert Vazan (sizers)

 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     15.08.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,8 +21,8 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation ".h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma implementation "wizardg.h"

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


@@ -28,32 +32,75 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_WIZARDDLG
+

 #ifndef WX_PRECOMP
     #include "wx/dynarray.h"
     #include "wx/intl.h"
     #include "wx/statbmp.h"
 #ifndef WX_PRECOMP
     #include "wx/dynarray.h"
     #include "wx/intl.h"
     #include "wx/statbmp.h"

+    #include "wx/button.h"

 #endif //WX_PRECOMP
 
 #include "wx/statline.h"
 #endif //WX_PRECOMP
 
 #include "wx/statline.h"

+#include "wx/sizer.h"

 
 #include "wx/wizard.h"
 
 // ----------------------------------------------------------------------------
 
 #include "wx/wizard.h"
 
 // ----------------------------------------------------------------------------

-// simple types
+// wxWizardSizer

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-WX_DEFINE_ARRAY(wxPanel *, wxArrayPages);
+class wxWizardSizer : public wxSizer
+{
+public:
+    wxWizardSizer(wxWizard *owner);
+
+    void RecalcSizes();
+    wxSize CalcMin();
+
+    wxSize GetMaxChildSize();
+    int Border() const;
+    
+private:
+    wxSize SiblingSize(wxSizerItem *child);
+    
+    wxWizard *m_owner;
+    bool m_childSizeValid;
+    wxSize m_childSize;
+};

 
 // ----------------------------------------------------------------------------
 // event tables and such
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // event tables and such
 // ----------------------------------------------------------------------------
 

+DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING)
+DEFINE_EVENT_TYPE(wxEVT_WIZARD_CANCEL)
+DEFINE_EVENT_TYPE(wxEVT_WIZARD_FINISHED)
+DEFINE_EVENT_TYPE(wxEVT_WIZARD_HELP)
+

 BEGIN_EVENT_TABLE(wxWizard, wxDialog)
     EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel)
 BEGIN_EVENT_TABLE(wxWizard, wxDialog)
     EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel)

-    EVT_BUTTON(-1, wxWizard::OnBackOrNext)
+    EVT_BUTTON(wxID_BACKWARD, wxWizard::OnBackOrNext)
+    EVT_BUTTON(wxID_FORWARD, wxWizard::OnBackOrNext)
+    EVT_BUTTON(wxID_HELP, wxWizard::OnHelp)
+
+    EVT_WIZARD_PAGE_CHANGED(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_PAGE_CHANGING(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_CANCEL(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_FINISHED(-1, wxWizard::OnWizEvent)
+    EVT_WIZARD_HELP(-1, wxWizard::OnWizEvent)

 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog)
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog)

+
+/*
+       TODO PROPERTIES :
+       wxWizard
+               extstyle
+               title
+*/
+

 IMPLEMENT_ABSTRACT_CLASS(wxWizardPage, wxPanel)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardPageSimple, wxWizardPage)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
 IMPLEMENT_ABSTRACT_CLASS(wxWizardPage, wxPanel)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardPageSimple, wxWizardPage)
 IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)


@@ -66,10 +113,43 @@ IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
 // wxWizardPage
 // ----------------------------------------------------------------------------
 
 // wxWizardPage
 // ----------------------------------------------------------------------------
 

-wxWizardPage::wxWizardPage(wxWizard *parent) : wxPanel(parent)
+void wxWizardPage::Init()

 {
 {

+    m_bitmap = wxNullBitmap;
+}
+
+wxWizardPage::wxWizardPage(wxWizard *parent,
+                           const wxBitmap& bitmap,
+                           const wxChar *resource)
+{
+    Create(parent, bitmap, resource);
+}
+
+bool wxWizardPage::Create(wxWizard *parent,
+                          const wxBitmap& bitmap,
+                          const wxChar *resource)
+{
+    if ( !wxPanel::Create(parent, -1) )
+        return FALSE;
+
+    if ( resource != NULL )
+    {
+#if wxUSE_WX_RESOURCES
+#if 0
+       if ( !LoadFromResource(this, resource) )
+        {
+            wxFAIL_MSG(wxT("wxWizardPage LoadFromResource failed!!!!"));
+        }
+#endif
+#endif // wxUSE_RESOURCES
+    }
+
+    m_bitmap = bitmap;
+

     // initially the page is hidden, it's shown only when it becomes current
     Hide();
     // initially the page is hidden, it's shown only when it becomes current
     Hide();

+
+    return TRUE;

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


@@ -85,103 +165,322 @@ wxWizardPage *wxWizardPageSimple::GetNext() const
 {
     return m_next;
 }
 {
     return m_next;
 }

+

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-// generic wxWizard implementation
+// wxWizardSizer

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxWizard::wxWizard(wxWindow *parent,
-                   int id,
-                   const wxString& title,
-                   const wxBitmap& bitmap,
-                   const wxPoint& pos,
-                   const wxSize& size)
+wxWizardSizer::wxWizardSizer(wxWizard *owner)
+    : m_owner(owner)

 {
 {

-    // constants defining the dialog layout
-    // ------------------------------------
-
-    // these constants define the position of the upper left corner of the
-    // bitmap or the page in the wizard
-    static const int X_MARGIN = 10;
-    static const int Y_MARGIN = 10;
+    m_childSizeValid = false;
+}

 
 

-    // margin between the bitmap and the panel
-    static const int BITMAP_X_MARGIN = 15;
+void wxWizardSizer::RecalcSizes()
+{
+    // Effect of this function depends on m_owner->m_page and
+    // it should be called whenever it changes (wxWizard::ShowPage)
+    if ( m_owner->m_page )
+    {
+        m_owner->m_page->SetSize(m_position.x,m_position.y, m_size.x,m_size.y);
+    }
+}

 
 

-    // margin between the bitmap and the static line
-    static const int BITMAP_Y_MARGIN = 15;
+wxSize wxWizardSizer::CalcMin()
+{
+    return m_owner->GetPageSize();
+}

 
 

-    // margin between the static line and the buttons
-    static const int SEPARATOR_LINE_MARGIN = 15;
+wxSize wxWizardSizer::GetMaxChildSize()
+{
+#if !defined(__WXDEBUG__)
+    if ( m_childSizeValid )
+        return m_childSize;
+#endif

 
 

-    // margin between "Next >" and "Cancel" buttons
-    static const int BUTTON_MARGIN = 10;
+    wxSize maxOfMin;
+    wxSizerItemList::compatibility_iterator childNode;

 
 

-    // default width and height of the page
-    static const int DEFAULT_PAGE_WIDTH = 270;
-    static const int DEFAULT_PAGE_HEIGHT = 290;
+    for(childNode = m_children.GetFirst(); childNode;
+        childNode = childNode->GetNext())
+    {
+        wxSizerItem *child = childNode->GetData();
+        maxOfMin.IncTo(child->CalcMin());
+        maxOfMin.IncTo(SiblingSize(child));
+    }

 
 

-    // init members
-    // ------------
+#ifdef __WXDEBUG__
+    if ( m_childSizeValid && m_childSize != maxOfMin )
+    {
+        wxFAIL_MSG( _T("Size changed in wxWizard::GetPageAreaSizer()")
+                    _T("after RunWizard().\n")
+                    _T("Did you forget to call GetSizer()->Fit(this) ")
+                    _T("for some page?")) ;

 
 

-    m_page = (wxWizardPage *)NULL;
+        return m_childSize;
+    }
+#endif // __WXDEBUG__

 
 

-    // create controls
-    // ---------------
+    if ( m_owner->m_started )
+    {
+        m_childSizeValid = true;
+        m_childSize = maxOfMin;
+    }
+    
+    return maxOfMin;
+}

 
 

-    wxSize sizeBtn = wxButton::GetDefaultSize();
+int wxWizardSizer::Border() const
+{
+    if ( m_owner->m_calledSetBorder )
+        return m_owner->m_border;

 
 

-    (void)wxDialog::Create(parent, id, title, pos, size);
+    return m_children.IsEmpty() ? 5 : 0;
+}

 
 

-    // the global dialog layout is: a row of buttons at the bottom (aligned to
-    // the right), the static line above them, the bitmap (if any) on the left
-    // of the upper part of the dialog and the panel in the remaining space
-    m_x = X_MARGIN;
-    m_y = Y_MARGIN;
-    if ( bitmap.Ok() )
+wxSize wxWizardSizer::SiblingSize(wxSizerItem *child)
+{
+    wxSize maxSibling;
+    
+    if ( child->IsWindow() )

     {
     {

-        (void)new wxStaticBitmap(this, -1, bitmap, wxPoint(m_x, m_y));
-
-        m_x += bitmap.GetWidth() + BITMAP_X_MARGIN;
-        m_height = bitmap.GetHeight();
+        wxWizardPage *page = wxDynamicCast(child->GetWindow(), wxWizardPage);
+        if ( page )
+        {
+            for ( wxWizardPage *sibling = page->GetNext();
+                  sibling;
+                  sibling = sibling->GetNext() )
+            {
+                if ( sibling->GetSizer() )
+                {
+                    maxSibling.IncTo(sibling->GetSizer()->CalcMin());
+                }
+            }
+        }

     }
     }

-    else
+    
+    return maxSibling;
+}
+
+// ----------------------------------------------------------------------------
+// generic wxWizard implementation
+// ----------------------------------------------------------------------------
+
+void wxWizard::Init()
+{
+    m_posWizard = wxDefaultPosition;
+    m_page = (wxWizardPage *)NULL;
+    m_btnPrev = m_btnNext = NULL;
+    m_statbmp = NULL;
+    m_sizerBmpAndPage = NULL;
+    m_sizerPage = NULL;
+    m_calledSetBorder = false;
+    m_border = 0;
+    m_started = false;
+}
+
+bool wxWizard::Create(wxWindow *parent,
+                      int id,
+                      const wxString& title,
+                      const wxBitmap& bitmap,
+                      const wxPoint& pos,
+                      long style)
+{
+    bool result = wxDialog::Create(parent,id,title,pos,wxDefaultSize,style);
+    
+    m_posWizard = pos;
+    m_bitmap = bitmap ;
+
+    DoCreateControls();
+    
+    return result;
+}
+
+void wxWizard::AddBitmapRow(wxBoxSizer *mainColumn)
+{
+    m_sizerBmpAndPage = new wxBoxSizer(wxHORIZONTAL);
+    mainColumn->Add(
+        m_sizerBmpAndPage,
+        1, // Vertically stretchable
+        wxEXPAND // Horizonal stretching, no border
+    );
+    mainColumn->Add(0,5,
+        0, // No vertical stretching
+        wxEXPAND // No border, (mostly useless) horizontal stretching
+    );
+
+#if wxUSE_STATBMP
+    if ( m_bitmap.Ok() )

     {
     {

-        m_height = DEFAULT_PAGE_HEIGHT;
+        m_statbmp = new wxStaticBitmap(this, -1, m_bitmap);
+        m_sizerBmpAndPage->Add(
+            m_statbmp,
+            0, // No horizontal stretching
+            wxALL, // Border all around, top alignment
+            5 // Border width
+        );
+        m_sizerBmpAndPage->Add(
+            5,0,
+            0, // No horizontal stretching
+            wxEXPAND // No border, (mostly useless) vertical stretching
+        );

     }
     }

+#endif

 
 

-    m_width = DEFAULT_PAGE_WIDTH;
-
-    int x = X_MARGIN;
-    int y = m_y + m_height + BITMAP_Y_MARGIN;
+    // Added to m_sizerBmpAndPage in FinishLayout
+    m_sizerPage = new wxWizardSizer(this);
+}

 
 

+void wxWizard::AddStaticLine(wxBoxSizer *mainColumn)
+{

 #if wxUSE_STATLINE
 #if wxUSE_STATLINE

-    (void)new wxStaticLine(this, -1, wxPoint(x, y),
-                           wxSize(m_x + m_width - x, 2));
+    mainColumn->Add(
+        new wxStaticLine(this, -1),
+        0, // Vertically unstretchable
+        wxEXPAND | wxALL, // Border all around, horizontally stretchable
+        5 // Border width
+    );
+    mainColumn->Add(0,5,
+        0, // No vertical stretching
+        wxEXPAND // No border, (mostly useless) horizontal stretching
+    );
+#else
+    (void)mainColumn;
+#endif // wxUSE_STATLINE
+}
+
+void wxWizard::AddBackNextPair(wxBoxSizer *buttonRow)
+{
+    wxASSERT_MSG( m_btnNext && m_btnPrev,
+                  _T("You must create the buttons before calling ")
+                  _T("wxWizard::AddBackNextPair") );
+
+    // margin between Back and Next buttons
+#ifdef __WXMAC__
+    static const int BACKNEXT_MARGIN = 10;
+#else
+    static const int BACKNEXT_MARGIN = 0;

 #endif
 
 #endif
 

-    x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN;
-    y += SEPARATOR_LINE_MARGIN;
-    m_btnPrev = new wxButton(this, -1, _("< &Back"), wxPoint(x, y), sizeBtn);
+    wxBoxSizer *backNextPair = new wxBoxSizer(wxHORIZONTAL);
+    buttonRow->Add(
+        backNextPair,
+        0, // No horizontal stretching
+        wxALL, // Border all around
+        5 // Border width
+    );
+    
+    backNextPair->Add(m_btnPrev);
+    backNextPair->Add(BACKNEXT_MARGIN,0,
+        0, // No horizontal stretching
+        wxEXPAND // No border, (mostly useless) vertical stretching
+    );
+    backNextPair->Add(m_btnNext);
+}

 
 

-    x += sizeBtn.x;
-    m_btnNext = new wxButton(this, -1, _("&Next >"), wxPoint(x, y), sizeBtn);
+void wxWizard::AddButtonRow(wxBoxSizer *mainColumn)
+{
+    // the order in which the buttons are created determines the TAB order - at least under MSWindows...
+    // although the 'back' button appears before the 'next' button, a more userfriendly tab order is
+    // to activate the 'next' button first (create the next button before the back button).
+    // The reason is: The user will repeatedly enter information in the wizard pages and then wants to
+    // press 'next'. If a user uses mostly the keyboard, he would have to skip the 'back' button
+    // everytime. This is annoying. There is a second reason: RETURN acts as TAB. If the 'next'
+    // button comes first in the TAB order, the user can enter information very fast using the RETURN
+    // key to TAB to the next entry field and page. This would not be possible, if the 'back' button
+    // was created before the 'next' button.
+
+    wxBoxSizer *buttonRow = new wxBoxSizer(wxHORIZONTAL);
+    mainColumn->Add(
+        buttonRow,
+        0, // Vertically unstretchable
+        wxALIGN_RIGHT // Right aligned, no border
+    );
+
+    // Desired TAB order is 'next', 'cancel', 'help', 'back'. This makes the 'back' button the last control on the page.
+    // Create the buttons in the right order...
+    m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"));
+    wxButton *btnCancel=new wxButton(this, wxID_CANCEL, _("&Cancel"));
+    wxButton *btnHelp=0;
+    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
+        btnHelp=new wxButton(this, wxID_HELP, _("&Help"));
+    m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"));
+
+    if (btnHelp)
+        buttonRow->Add(
+            btnHelp,
+            0, // Horizontally unstretchable
+            wxALL, // Border all around, top aligned
+            5 // Border width
+        );
+
+    AddBackNextPair(buttonRow);
+    
+    buttonRow->Add(
+        btnCancel,
+        0, // Horizontally unstretchable
+        wxALL, // Border all around, top aligned
+        5 // Border width
+    );
+}
+
+void wxWizard::DoCreateControls()
+{
+    // do nothing if the controls were already created
+    if ( WasCreated() )
+        return;
+    
+    // wxWindow::SetSizer will be called at end
+    wxBoxSizer *windowSizer = new wxBoxSizer(wxVERTICAL);
+    
+    wxBoxSizer *mainColumn = new wxBoxSizer(wxVERTICAL);
+    windowSizer->Add(
+        mainColumn,
+        1, // Vertical stretching
+        wxALL | wxEXPAND, // Border all around, horizontal stretching
+        5 // Border width
+    );
+    
+    AddBitmapRow(mainColumn);
+    AddStaticLine(mainColumn);
+    AddButtonRow(mainColumn);
+    
+    // wxWindow::SetSizer should be followed by wxWindow::Fit, but
+    // this is done in FinishLayout anyway so why duplicate it
+    SetSizer(windowSizer);
+}

 
 

-    x += sizeBtn.x + BUTTON_MARGIN;
-    (void)new wxButton(this, wxID_CANCEL, _("Cancel"), wxPoint(x, y), sizeBtn);
+void wxWizard::SetPageSize(const wxSize& size)
+{
+    wxCHECK_RET(!m_started,wxT("wxWizard::SetPageSize after RunWizard"));
+    m_sizePage = size;
+}

 
 

-    // position and size the dialog
-    // ----------------------------
+void wxWizard::FinishLayout()
+{
+    m_sizerBmpAndPage->Add(
+        m_sizerPage,
+        1, // Horizontal stretching
+        wxEXPAND | wxALL, // Vertically stretchable
+        m_sizerPage->Border()
+    );
+    
+    GetSizer()->SetSizeHints(this);
+    if ( m_posWizard == wxDefaultPosition )
+        CentreOnScreen();
+}

 
 

-    if ( size == wxDefaultSize )
+void wxWizard::FitToPage(const wxWizardPage *page)
+{
+    wxCHECK_RET(!m_started,wxT("wxWizard::FitToPage after RunWizard"));
+    
+    while ( page )

     {
     {

-        SetClientSize(m_x + m_width + X_MARGIN,
-                      m_y + m_height + BITMAP_Y_MARGIN +
-                        SEPARATOR_LINE_MARGIN + sizeBtn.y + Y_MARGIN);
-    }
+        wxSize size = page->GetBestSize();

 
 

-    if ( pos == wxDefaultPosition )
-    {
-        Centre();
+        m_sizePage.IncTo(size);
+
+        page = page->GetNext();

     }
 }
 
     }
 }
 


@@ -193,17 +492,22 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
     // button or not (initially the label is "Next")
     bool btnLabelWasNext = TRUE;
 
     // button or not (initially the label is "Next")
     bool btnLabelWasNext = TRUE;
 

+    // Modified 10-20-2001 Robert Cavanaugh.
+    // Fixed bug for displaying a new bitmap
+    // in each *consecutive* page
+
+    // flag to indicate if this page uses a new bitmap
+    bool bmpIsDefault = TRUE;
+
+    // use these labels to determine if we need to change the bitmap
+    // for this page
+    wxBitmap bmpPrev, bmpCur;
+
+    // check for previous page

     if ( m_page )
     {
     if ( m_page )
     {

-        // ask the current page first
-        if ( !m_page->TransferDataFromWindow() )
-        {
-            // the page data is incorrect
-            return FALSE;
-        }
-

         // send the event to the old page
         // send the event to the old page

-        wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGING, GetId(), goingForward);
+        wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGING, GetId(), goingForward, m_page);

         if ( m_page->GetEventHandler()->ProcessEvent(event) &&
              !event.IsAllowed() )
         {
         if ( m_page->GetEventHandler()->ProcessEvent(event) &&
              !event.IsAllowed() )
         {


@@ -213,10 +517,16 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 
         m_page->Hide();
 
 
         m_page->Hide();
 

-        btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL;
+        btnLabelWasNext = HasNextPage(m_page);
+
+        // Get the bitmap of the previous page (if it exists)
+        if ( m_page->GetBitmap().Ok() )
+        {
+            bmpPrev = m_page->GetBitmap();
+        }

     }
 
     }
 

-    // set the new one
+    // set the new page

     m_page = page;
 
     // is this the end?
     m_page = page;
 
     // is this the end?


@@ -225,35 +535,80 @@ bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
         // terminate successfully
         EndModal(wxID_OK);
 
         // terminate successfully
         EndModal(wxID_OK);
 

+        // and notify the user code (this is especially useful for modeless
+        // wizards)
+        wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), FALSE, 0);
+        (void)GetEventHandler()->ProcessEvent(event);
+

         return TRUE;
     }
 
         return TRUE;
     }
 

-    // send the event to the new page now
-    wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward);
-    (void)m_page->GetEventHandler()->ProcessEvent(event);
-

     // position and show the new page
     (void)m_page->TransferDataToWindow();
     // position and show the new page
     (void)m_page->TransferDataToWindow();

-    m_page->SetSize(m_x, m_y, m_width, m_height);
-    m_page->Show();
+    
+    // wxWizardSizer::RecalcSizes wants to be called when m_page changes
+    m_sizerPage->RecalcSizes();
+
+    // check if bitmap needs to be updated
+    // update default flag as well
+    if ( m_page->GetBitmap().Ok() )
+    {
+        bmpCur = m_page->GetBitmap();
+        bmpIsDefault = FALSE;
+    }
+
+#if wxUSE_STATBMP
+    // change the bitmap if:
+    // 1) a default bitmap was selected in constructor
+    // 2) this page was constructed with a bitmap
+    // 3) this bitmap is not the previous bitmap
+    if ( m_statbmp && (bmpCur != bmpPrev) )
+    {
+        wxBitmap bmp;
+        if ( bmpIsDefault )
+            bmp = m_bitmap;
+        else
+            bmp = m_page->GetBitmap();
+        m_statbmp->SetBitmap(bmp);
+    }
+#endif

 
     // and update the buttons state
 
     // and update the buttons state

-    m_btnPrev->Enable(m_page->GetPrev() != (wxWizardPage *)NULL);
+    m_btnPrev->Enable(HasPrevPage(m_page));

 
 

-    if ( btnLabelWasNext != (m_page->GetNext() != (wxWizardPage *)NULL) )
+    bool hasNext = HasNextPage(m_page);
+    if ( btnLabelWasNext != hasNext )

     {
         // need to update
     {
         // need to update

-        m_btnNext->SetLabel(btnLabelWasNext ? _("&Finish") : _("&Next >"));
+        if (btnLabelWasNext)
+            m_btnNext->SetLabel(_("&Finish"));
+        else
+            m_btnNext->SetLabel(_("&Next >"));

     }
     // nothing to do: the label was already correct
 
     }
     // nothing to do: the label was already correct
 

+    // send the change event to the new page now
+    wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward, m_page);
+    (void)m_page->GetEventHandler()->ProcessEvent(event);
+
+    // and finally show it
+    m_page->Show();
+    m_page->SetFocus();
+

     return TRUE;
 }
 
 bool wxWizard::RunWizard(wxWizardPage *firstPage)
 {
     wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") );
     return TRUE;
 }
 
 bool wxWizard::RunWizard(wxWizardPage *firstPage)
 {
     wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") );

-
+    
+    // Set before FinishLayout to enable wxWizardSizer::GetMaxChildSize
+    m_started = true;
+    
+    // This cannot be done sooner, because user can change layout options
+    // up to this moment
+    FinishLayout();
+    

     // can't return FALSE here because there is no old page
     (void)ShowPage(firstPage, TRUE /* forward */);
 
     // can't return FALSE here because there is no old page
     (void)ShowPage(firstPage, TRUE /* forward */);
 


@@ -265,13 +620,51 @@ wxWizardPage *wxWizard::GetCurrentPage() const
     return m_page;
 }
 
     return m_page;
 }
 

-void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(event))
+wxSize wxWizard::GetPageSize() const
+{
+    wxSize pageSize(GetManualPageSize());
+    pageSize.IncTo(m_sizerPage->GetMaxChildSize());
+    return pageSize;
+}
+
+wxSizer *wxWizard::GetPageAreaSizer() const
+{
+    return m_sizerPage;
+}
+
+void wxWizard::SetBorder(int border)
+{
+    wxCHECK_RET(!m_started,wxT("wxWizard::SetBorder after RunWizard"));
+
+    m_calledSetBorder = true;
+    m_border = border;
+}
+
+wxSize wxWizard::GetManualPageSize() const
+{
+    // default width and height of the page
+    static const int DEFAULT_PAGE_WIDTH = 270;
+    static const int DEFAULT_PAGE_HEIGHT = 290;
+
+    wxSize totalPageSize(DEFAULT_PAGE_WIDTH,DEFAULT_PAGE_HEIGHT);
+    
+    totalPageSize.IncTo(m_sizePage);
+    
+    if ( m_statbmp )
+    {
+        totalPageSize.IncTo(wxSize(0, m_bitmap.GetHeight()));
+    }
+    
+    return totalPageSize;
+}
+
+void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(eventUnused))

 {
     // this function probably can never be called when we don't have an active
     // page, but a small extra check won't hurt
     wxWindow *win = m_page ? (wxWindow *)m_page : (wxWindow *)this;
 
 {
     // this function probably can never be called when we don't have an active
     // page, but a small extra check won't hurt
     wxWindow *win = m_page ? (wxWindow *)m_page : (wxWindow *)this;
 

-    wxWizardEvent event(wxEVT_WIZARD_CANCEL, GetId());
+    wxWizardEvent event(wxEVT_WIZARD_CANCEL, GetId(), FALSE, m_page);

     if ( !win->GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
     {
         // no objections - close the dialog
     if ( !win->GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
     {
         // no objections - close the dialog


@@ -286,6 +679,15 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event)
                   (event.GetEventObject() == m_btnPrev),
                   wxT("unknown button") );
 
                   (event.GetEventObject() == m_btnPrev),
                   wxT("unknown button") );
 

+    // ask the current page first: notice that we do it before calling
+    // GetNext/Prev() because the data transfered from the controls of the page
+    // may change the value returned by these methods
+    if ( m_page && (!m_page->Validate() || !m_page->TransferDataFromWindow()) )
+    {
+        // the page data is incorrect, don't do anything
+        return;
+    }
+

     bool forward = event.GetEventObject() == m_btnNext;
 
     wxWizardPage *page;
     bool forward = event.GetEventObject() == m_btnNext;
 
     wxWizardPage *page;


@@ -304,28 +706,69 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event)
     (void)ShowPage(page, forward);
 }
 
     (void)ShowPage(page, forward);
 }
 

+void wxWizard::OnHelp(wxCommandEvent& WXUNUSED(event))
+{
+    // this function probably can never be called when we don't have an active
+    // page, but a small extra check won't hurt
+    if(m_page != NULL)
+    {
+        // Create and send the help event to the specific page handler
+        // event data contains the active page so that context-sensitive
+        // help is possible
+        wxWizardEvent eventHelp(wxEVT_WIZARD_HELP, GetId(), TRUE, m_page);
+        (void)m_page->GetEventHandler()->ProcessEvent(eventHelp);
+    }
+}
+
+void wxWizard::OnWizEvent(wxWizardEvent& event)
+{
+    // the dialogs have wxWS_EX_BLOCK_EVENTS style on by default but we want to
+    // propagate wxEVT_WIZARD_XXX to the parent (if any), so do it manually
+    if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
+    {
+        // the event will be propagated anyhow
+        event.Skip();
+        return;
+    }
+
+    wxWindow *parent = GetParent();
+
+    if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) )
+    {
+        event.Skip();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // our public interface
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // our public interface
 // ----------------------------------------------------------------------------
 

+#if WXWIN_COMPATIBILITY_2_2
+

 /* static */
 wxWizard *wxWizardBase::Create(wxWindow *parent,
                                int id,
                                const wxString& title,
                                const wxBitmap& bitmap,
                                const wxPoint& pos,
 /* static */
 wxWizard *wxWizardBase::Create(wxWindow *parent,
                                int id,
                                const wxString& title,
                                const wxBitmap& bitmap,
                                const wxPoint& pos,

-                               const wxSize& size)
+                               const wxSize& WXUNUSED(size))

 {
 {

-    return new wxWizard(parent, id, title, bitmap, pos, size);
+    return new wxWizard(parent, id, title, bitmap, pos);

 }
 
 }
 

+#endif // WXWIN_COMPATIBILITY_2_2
+

 // ----------------------------------------------------------------------------
 // wxWizardEvent
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxWizardEvent
 // ----------------------------------------------------------------------------
 

-wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction)
+wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardPage* page)

              : wxNotifyEvent(type, id)
 {
              : wxNotifyEvent(type, id)
 {

+    // Modified 10-20-2001 Robert Cavanaugh
+    // add the active page to the event data

     m_direction = direction;
     m_direction = direction;

+    m_page = page;

 }
 
 }
 

+#endif // wxUSE_WIZARDDLG