Fixed crash caused by A=B?C:D used for returning wxObject derived type.

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

diff --git a/src/generic/wizard.cpp b/src/generic/wizard.cpp
index e515042bec56b2e5fb11de31530827cad0e15206..cb3b8d0f380c2a48d3bb996fc10fda9831f577f9 100644 (file)
--- a/src/generic/wizard.cpp
+++ b/src/generic/wizard.cpp
@@ -1,12 +1,16 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        generic/wizard.cpp
+// Name:        src/generic/wizard.cpp

 // Purpose:     generic implementation of wxWizard class
 // Author:      Vadim Zeitlin
 // 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

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


@@ -17,10 +21,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation ".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"
 


@@ -35,6 +35,8 @@
     #include "wx/intl.h"
     #include "wx/statbmp.h"
     #include "wx/button.h"
     #include "wx/intl.h"
     #include "wx/statbmp.h"
     #include "wx/button.h"

+    #include "wx/settings.h"
+    #include "wx/sizer.h"

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


@@ -42,10 +44,36 @@
 #include "wx/wizard.h"
 
 // ----------------------------------------------------------------------------
 #include "wx/wizard.h"
 
 // ----------------------------------------------------------------------------

-// simple types
+// wxWizardSizer

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

-WX_DEFINE_ARRAY(wxPanel *, wxArrayPages);
+class wxWizardSizer : public wxSizer
+{
+public:
+    wxWizardSizer(wxWizard *owner);
+
+    virtual wxSizerItem *Insert(size_t index, wxSizerItem *item);
+
+    virtual void RecalcSizes();
+    virtual wxSize CalcMin();
+
+    // get the max size of all wizard pages
+    wxSize GetMaxChildSize();
+
+    // return the border which can be either set using wxWizard::SetBorder() or
+    // have default value
+    int GetBorder() const;
+
+    // hide the pages which we temporarily "show" when they're added to this
+    // sizer (see Insert())
+    void HidePages();
+
+private:
+    wxSize SiblingSize(wxSizerItem *child);
+
+    wxWizard *m_owner;
+    wxSize m_childSize;
+};

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


@@ -54,13 +82,31 @@ WX_DEFINE_ARRAY(wxPanel *, wxArrayPages);
 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_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(wxID_ANY, wxWizard::OnWizEvent)
+    EVT_WIZARD_PAGE_CHANGING(wxID_ANY, wxWizard::OnWizEvent)
+    EVT_WIZARD_CANCEL(wxID_ANY, wxWizard::OnWizEvent)
+    EVT_WIZARD_FINISHED(wxID_ANY, wxWizard::OnWizEvent)
+    EVT_WIZARD_HELP(wxID_ANY, 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)


@@ -73,11 +119,43 @@ IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent)
 // wxWizardPage
 // ----------------------------------------------------------------------------
 
 // wxWizardPage
 // ----------------------------------------------------------------------------
 

-wxWizardPage::wxWizardPage(wxWizard *parent, const wxBitmap& bitmap)
-            : wxPanel(parent), m_bitmap(bitmap)
+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, wxID_ANY) )
+        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;

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


@@ -93,217 +171,519 @@ 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)
-        : m_posWizard(pos), m_bitmap(bitmap)
+wxWizardSizer::wxWizardSizer(wxWizard *owner)
+             : m_owner(owner),
+               m_childSize(wxDefaultSize)

 {
 {

-    // just create the dialog itself here, the controls will be created in
-    // DoCreateControls() called later when we know our final size
-    m_page = (wxWizardPage *)NULL;
-    m_btnPrev = m_btnNext = NULL;
-    m_statbmp = NULL;
-
-    (void)wxDialog::Create(parent, id, title, pos);

 }
 
 }
 

-void wxWizard::DoCreateControls()
+wxSizerItem *wxWizardSizer::Insert(size_t index, wxSizerItem *item)

 {
 {

-    // do nothing if the controls were already created
-    if ( WasCreated() )
-        return;
+    m_owner->m_usingSizer = true;

 
 

-    // constants defining the dialog layout
-    // ------------------------------------
+    if ( item->IsWindow() )
+    {
+        // we must pretend that the window is shown as otherwise it wouldn't be
+        // taken into account for the layout -- but avoid really showing it, so
+        // just set the internal flag instead of calling wxWindow::Show()
+        item->GetWindow()->wxWindowBase::Show();
+    }

 
 

-    // 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;
+    return wxSizer::Insert(index, item);
+}

 
 

-    // margin between the bitmap and the panel
-    static const int BITMAP_X_MARGIN = 15;
+void wxWizardSizer::HidePages()
+{
+    for ( wxSizerItemList::compatibility_iterator node = GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
+    {
+        wxSizerItem * const item = node->GetData();
+        if ( item->IsWindow() )
+            item->GetWindow()->wxWindowBase::Show(false);
+    }
+}

 
 

-    // margin between the bitmap and the static line
-    static const int BITMAP_Y_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(wxRect(m_position, m_size));
+    }
+}

 
 

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

 
 

-    // margin between "Next >" and "Cancel" buttons
-    static const int BUTTON_MARGIN = 10;
+wxSize wxWizardSizer::GetMaxChildSize()
+{
+#if !defined(__WXDEBUG__)
+    if ( m_childSize.IsFullySpecified() )
+        return m_childSize;
+#endif

 
 

-    // default width and height of the page
-    static const int DEFAULT_PAGE_WIDTH = 270;
-    static const int DEFAULT_PAGE_HEIGHT = 290;
+    wxSize maxOfMin;

 
 

-    // create controls
-    // ---------------
+    for ( wxSizerItemList::compatibility_iterator childNode = m_children.GetFirst();
+          childNode;
+          childNode = childNode->GetNext() )
+    {
+        wxSizerItem *child = childNode->GetData();
+        maxOfMin.IncTo(child->CalcMin());
+        maxOfMin.IncTo(SiblingSize(child));
+    }

 
 

-    wxSize sizeBtn = wxButton::GetDefaultSize();
+#ifdef __WXDEBUG__
+    if ( m_childSize.IsFullySpecified() && 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?")) ;

 
 

-    // 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;
+        return m_childSize;
+    }
+#endif // __WXDEBUG__

 
 

-    int defaultHeight;
-    if ( m_bitmap.Ok() )
+    if ( m_owner->m_started )

     {
     {

-        m_statbmp = new wxStaticBitmap(this, -1, m_bitmap, wxPoint(m_x, m_y));
+        m_childSize = maxOfMin;
+    }

 
 

-        m_x += m_bitmap.GetWidth() + BITMAP_X_MARGIN;
+    return maxOfMin;
+}

 
 

-        defaultHeight = m_bitmap.GetHeight();
-    }
-    else
-    {
-        m_statbmp = (wxStaticBitmap *)NULL;
+int wxWizardSizer::GetBorder() const
+{
+    return m_owner->m_border;
+}
+
+wxSize wxWizardSizer::SiblingSize(wxSizerItem *child)
+{
+    wxSize maxSibling;

 
 

-        defaultHeight = DEFAULT_PAGE_HEIGHT;
+    if ( child->IsWindow() )
+    {
+        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());
+                }
+            }
+        }

     }
 
     }
 

-    // use default size if none given and also make sure that the dialog is
-    // not less than the default size
-    m_height = m_sizePage.y == -1 ? defaultHeight : m_sizePage.y;
-    m_width = m_sizePage.x == -1 ? DEFAULT_PAGE_WIDTH : m_sizePage.x;
-    if ( m_height < defaultHeight )
-        m_height = defaultHeight;
-    if ( m_width < DEFAULT_PAGE_WIDTH )
-        m_width = DEFAULT_PAGE_WIDTH;
+    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_border = 5;
+    m_started = false;
+    m_wasModal = false;
+    m_usingSizer = false;
+}

 
 

-    int x = X_MARGIN;
-    int y = m_y + m_height + BITMAP_Y_MARGIN;
+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_statbmp = new wxStaticBitmap(this, wxID_ANY, 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
+
+    // Added to m_sizerBmpAndPage later
+    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, wxID_ANY),
+        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
 #endif // wxUSE_STATLINE

+}

 
 

-    x = m_x + m_width - 3*sizeBtn.x - BUTTON_MARGIN;
-    y += SEPARATOR_LINE_MARGIN;
-    m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxPoint(x, y), sizeBtn);
-
-    x += sizeBtn.x;
-    m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"), wxPoint(x, y), sizeBtn);
+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

 
 

-    x += sizeBtn.x + BUTTON_MARGIN;
-    (void)new wxButton(this, wxID_CANCEL, _("Cancel"), 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);
+}

 
 

-    // position and size the dialog
-    // ----------------------------
+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.
+
+    bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
+    int buttonStyle = isPda ? wxBU_EXACTFIT : 0;
+
+    wxBoxSizer *buttonRow = new wxBoxSizer(wxHORIZONTAL);
+#ifdef __WXMAC__
+    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
+        mainColumn->Add(
+            buttonRow,
+            0, // Vertically unstretchable
+            wxGROW|wxALIGN_CENTRE
+            );
+    else
+#endif
+    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...
+    wxButton *btnHelp=0;
+#ifdef __WXMAC__
+    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
+        btnHelp=new wxButton(this, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, buttonStyle);
+#endif

 
 

-    SetClientSize(m_x + m_width + X_MARGIN,
-                  m_y + m_height + BITMAP_Y_MARGIN +
-                    SEPARATOR_LINE_MARGIN + sizeBtn.y + Y_MARGIN);
+    m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >"));
+    wxButton *btnCancel=new wxButton(this, wxID_CANCEL, _("&Cancel"), wxDefaultPosition, wxDefaultSize, buttonStyle);
+#ifndef __WXMAC__
+    if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON)
+        btnHelp=new wxButton(this, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, buttonStyle);
+#endif
+    m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxDefaultPosition, wxDefaultSize, buttonStyle);

 
 

-    if ( m_posWizard == wxDefaultPosition )
+    if (btnHelp)

     {
     {

-        CentreOnScreen();
+        buttonRow->Add(
+            btnHelp,
+            0, // Horizontally unstretchable
+            wxALL, // Border all around, top aligned
+            5 // Border width
+            );
+#ifdef __WXMAC__
+        // Put stretchable space between help button and others
+        buttonRow->Add(0, 0, 1, wxALIGN_CENTRE, 0);
+#endif

     }
     }

+
+    AddBackNextPair(buttonRow);
+
+    buttonRow->Add(
+        btnCancel,
+        0, // Horizontally unstretchable
+        wxALL, // Border all around, top aligned
+        5 // Border width
+    );

 }
 
 }
 

-void wxWizard::SetPageSize(const wxSize& size)
+void wxWizard::DoCreateControls()

 {
 {

-    // otherwise it will have no effect now as it's too late...
-    wxASSERT_MSG( !WasCreated(), _T("should be called before RunWizard()!") );
+    // do nothing if the controls were already created
+    if ( WasCreated() )
+        return;
+
+    bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
+
+    // Horizontal stretching, and if not PDA, border all around
+    int mainColumnSizerFlags = isPda ? wxEXPAND : wxALL|wxEXPAND ;
+
+    // wxWindow::SetSizer will be called at end
+    wxBoxSizer *windowSizer = new wxBoxSizer(wxVERTICAL);
+
+    wxBoxSizer *mainColumn = new wxBoxSizer(wxVERTICAL);
+    windowSizer->Add(
+        mainColumn,
+        1, // Vertical stretching
+        mainColumnSizerFlags,
+        5 // Border width
+    );

 
 

+    AddBitmapRow(mainColumn);
+
+    if (!isPda)
+        AddStaticLine(mainColumn);
+
+    AddButtonRow(mainColumn);
+
+    SetSizer(windowSizer);
+}
+
+void wxWizard::SetPageSize(const wxSize& size)
+{
+    wxCHECK_RET(!m_started, wxT("wxWizard::SetPageSize after RunWizard"));

     m_sizePage = size;
 }
 
     m_sizePage = size;
 }
 

+void wxWizard::FitToPage(const wxWizardPage *page)
+{
+    wxCHECK_RET(!m_started, wxT("wxWizard::FitToPage after RunWizard"));
+
+    while ( page )
+    {
+        wxSize size = page->GetBestSize();
+
+        m_sizePage.IncTo(size);
+
+        page = page->GetNext();
+    }
+}
+

 bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 {
     wxASSERT_MSG( page != m_page, wxT("this is useless") );
 
 bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward)
 {
     wxASSERT_MSG( page != m_page, wxT("this is useless") );
 

+    wxSizerFlags flags(1);
+    flags.Border(wxALL, m_border).Expand();
+
+    if ( !m_started )
+    {
+        if ( m_usingSizer )
+        {
+            m_sizerBmpAndPage->Add(m_sizerPage, flags);
+
+            // now that our layout is computed correctly, hide the pages
+            // artificially shown in wxWizardSizer::Insert() back again
+            m_sizerPage->HidePages();
+        }
+    }
+
+

     // we'll use this to decide whether we have to change the label of this
     // button or not (initially the label is "Next")
     // we'll use this to decide whether we have to change the label of this
     // button or not (initially the label is "Next")

-    bool btnLabelWasNext = TRUE;
+    bool btnLabelWasNext = true;

 
 

-    // and this tells us whether we already had the default bitmap before
-    bool bmpWasDefault = TRUE;
+    // remember the old bitmap (if any) to compare with the new one later
+    wxBitmap bmpPrev;

 
 

+    // check for previous page

     if ( m_page )
     {
         // send the event to the old page
     if ( m_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() )
         {
             // vetoed by the page
         if ( m_page->GetEventHandler()->ProcessEvent(event) &&
              !event.IsAllowed() )
         {
             // vetoed by the page

-            return FALSE;
+            return false;

         }
 
         m_page->Hide();
 
         }
 
         m_page->Hide();
 

-        btnLabelWasNext = m_page->GetNext() != (wxWizardPage *)NULL;
-        bmpWasDefault = !m_page->GetBitmap().Ok();
+        btnLabelWasNext = HasNextPage(m_page);
+
+        bmpPrev = m_page->GetBitmap();
+
+        if ( !m_usingSizer )
+            m_sizerBmpAndPage->Detach(m_page);

     }
 
     }
 

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

     m_page = page;
 
     // is this the end?
     if ( !m_page )
     {
         // terminate successfully
     m_page = page;
 
     // is this the end?
     if ( !m_page )
     {
         // terminate successfully

-        EndModal(wxID_OK);
+        if ( IsModal() )
+        {
+            EndModal(wxID_OK);
+        }
+        else
+        {
+            SetReturnCode(wxID_OK);
+            Hide();
+        }

 
 

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

 
 

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

 
     // 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();

 
 

-    // change the bitmap if necessary (and if we have it at all)
-    bool bmpIsDefault = !m_page->GetBitmap().Ok();
-    if ( m_statbmp && (bmpIsDefault != bmpWasDefault) )
+    if ( m_usingSizer )
+    {
+        // wxWizardSizer::RecalcSizes wants to be called when m_page changes
+        m_sizerPage->RecalcSizes();
+    }
+    else // pages are not managed by the sizer
+    {
+        m_sizerBmpAndPage->Add(m_page, flags);
+        m_sizerBmpAndPage->SetItemMinSize(m_page, GetPageSize());
+    }
+
+#if wxUSE_STATBMP
+    // update the bitmap if:it changed
+    if ( m_statbmp )

     {
     {

-        wxBitmap bmp;
-        if ( bmpIsDefault )
+        wxBitmap bmp = m_page->GetBitmap();
+        if ( !bmp.Ok() )

             bmp = m_bitmap;
             bmp = m_bitmap;

-        else
-            bmp = m_page->GetBitmap();
-        m_statbmp->SetBitmap(bmp);
+
+        if ( !bmpPrev.Ok() )
+            bmpPrev = m_bitmap;
+
+        if ( bmp != bmpPrev )
+            m_statbmp->SetBitmap(bmp);

     }
     }

+#endif // wxUSE_STATBMP
+

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

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

 
 

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

     if ( btnLabelWasNext != hasNext )
     {
     if ( btnLabelWasNext != hasNext )
     {

-        // need to update
-        if (btnLabelWasNext)
-            m_btnNext->SetLabel(_("&Finish"));
-        else
-            m_btnNext->SetLabel(_("&Next >"));
+        m_btnNext->SetLabel(hasNext ? _("&Next >") : _("&Finish"));

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

-    return TRUE;
+    m_btnNext->SetDefault();
+
+
+    // 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();
+
+    if ( !m_usingSizer )
+        m_sizerBmpAndPage->Layout();
+
+    if ( !m_started )
+    {
+        m_started = true;
+
+        if ( wxSystemSettings::GetScreenType() > wxSYS_SCREEN_PDA )
+        {
+            GetSizer()->SetSizeHints(this);
+            if ( m_posWizard == wxDefaultPosition )
+                CentreOnScreen();
+        }
+    }
+
+    return true;

 }
 
 bool wxWizard::RunWizard(wxWizardPage *firstPage)
 {
 }
 
 bool wxWizard::RunWizard(wxWizardPage *firstPage)
 {

-    wxCHECK_MSG( firstPage, FALSE, wxT("can't run empty wizard") );
+    wxCHECK_MSG( firstPage, false, wxT("can't run empty wizard") );

 
 

-    DoCreateControls();
+    // 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 */);
+    m_wasModal = true;

 
     return ShowModal() == wxID_OK;
 }
 
     return ShowModal() == wxID_OK;
 }


@@ -315,24 +695,73 @@ wxWizardPage *wxWizard::GetCurrentPage() const
 
 wxSize wxWizard::GetPageSize() const
 {
 
 wxSize wxWizard::GetPageSize() const
 {

-    // make sure that the controls are created because otherwise m_width and
-    // m_height would be both still -1
-    wxConstCast(this, wxWizard)->DoCreateControls();
+    // default width and height of the page
+    int DEFAULT_PAGE_WIDTH,
+        DEFAULT_PAGE_HEIGHT;
+    if ( wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA )
+    {
+        // Make the default page size small enough to fit on screen
+        DEFAULT_PAGE_WIDTH = wxSystemSettings::GetMetric(wxSYS_SCREEN_X) / 2;
+        DEFAULT_PAGE_HEIGHT = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) / 2;
+    }
+    else // !PDA
+    {
+        DEFAULT_PAGE_WIDTH =
+        DEFAULT_PAGE_HEIGHT = 270;
+    }

 
 

-    return wxSize(m_width, m_height);
+    // start with default minimal size
+    wxSize pageSize(DEFAULT_PAGE_WIDTH, DEFAULT_PAGE_HEIGHT);
+
+    // make the page at least as big as specified by user
+    pageSize.IncTo(m_sizePage);
+
+    if ( m_statbmp )
+    {
+        // make the page at least as tall as the bitmap
+        pageSize.IncTo(wxSize(0, m_bitmap.GetHeight()));
+    }
+
+    if ( m_usingSizer )
+    {
+        // make it big enough to contain all pages added to the sizer
+        pageSize.IncTo(m_sizerPage->GetMaxChildSize());
+    }
+
+    return pageSize;
+}
+
+wxSizer *wxWizard::GetPageAreaSizer() const
+{
+    return m_sizerPage;

 }
 
 }
 

-void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(event))
+void wxWizard::SetBorder(int border)
+{
+    wxCHECK_RET(!m_started, wxT("wxWizard::SetBorder after RunWizard"));
+
+    m_border = border;
+}
+
+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

-        EndModal(wxID_CANCEL);
+        if(IsModal())
+        {
+            EndModal(wxID_CANCEL);
+        }
+        else
+        {
+            SetReturnCode(wxID_CANCEL);
+            Hide();
+        }

     }
     //else: request to Cancel ignored
 }
     }
     //else: request to Cancel ignored
 }


@@ -343,10 +772,12 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event)
                   (event.GetEventObject() == m_btnPrev),
                   wxT("unknown button") );
 
                   (event.GetEventObject() == m_btnPrev),
                   wxT("unknown button") );
 

+    wxCHECK_RET( m_page, _T("should have a valid current page") );
+

     // 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
     // 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->TransferDataFromWindow() )
+    if ( !m_page->Validate() || !m_page->TransferDataFromWindow() )

     {
         // the page data is incorrect, don't do anything
         return;
     {
         // the page data is incorrect, don't do anything
         return;


@@ -366,33 +797,65 @@ void wxWizard::OnBackOrNext(wxCommandEvent& event)
         wxASSERT_MSG( page, wxT("\"<Back\" button should have been disabled") );
     }
 
         wxASSERT_MSG( page, wxT("\"<Back\" button should have been disabled") );
     }
 

-    // just pass to the new page (or may be not - but we don't care here)
+    // just pass to the new page (or maybe not - but we don't care here)

     (void)ShowPage(page, forward);
 }
 
     (void)ShowPage(page, forward);
 }
 

-// ----------------------------------------------------------------------------
-// our public interface
-// ----------------------------------------------------------------------------
+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);
+    }
+}

 
 

-/* static */
-wxWizard *wxWizardBase::Create(wxWindow *parent,
-                               int id,
-                               const wxString& title,
-                               const wxBitmap& bitmap,
-                               const wxPoint& pos,
-                               const wxSize& WXUNUSED(size))
+void wxWizard::OnWizEvent(wxWizardEvent& event)

 {
 {

-    return new wxWizard(parent, id, title, bitmap, pos);
+    // 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();
+    }
+    else
+    {
+        wxWindow *parent = GetParent();
+
+        if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) )
+        {
+            event.Skip();
+        }
+    }
+
+    if ( ( !m_wasModal ) &&
+         event.IsAllowed() &&
+         ( event.GetEventType() == wxEVT_WIZARD_FINISHED ||
+           event.GetEventType() == wxEVT_WIZARD_CANCEL
+         )
+       )
+    {
+        Destroy();
+    }

 }
 
 // ----------------------------------------------------------------------------
 // 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
 }
 
 #endif // wxUSE_WIZARDDLG