wxDEFINE_EVENT( wxEVT_WIZARD_PAGE_CHANGED, wxWizardEvent );
wxDEFINE_EVENT( wxEVT_WIZARD_PAGE_CHANGING, wxWizardEvent );
+wxDEFINE_EVENT( wxEVT_WIZARD_BEFORE_PAGE_CHANGED, wxWizardEvent );
wxDEFINE_EVENT( wxEVT_WIZARD_CANCEL, wxWizardEvent );
wxDEFINE_EVENT( wxEVT_WIZARD_FINISHED, wxWizardEvent );
wxDEFINE_EVENT( wxEVT_WIZARD_HELP, wxWizardEvent );
mainColumn->Add(
m_sizerBmpAndPage,
1, // Vertically stretchable
- wxEXPAND // Horizonal stretching, no border
+ wxEXPAND // Horizontal stretching, no border
);
mainColumn->Add(0,5,
0, // No vertical stretching
);
#if wxUSE_STATBMP
- if ( m_bitmap.Ok() )
+ if ( m_bitmap.IsOk() )
{
wxSize bitmapSize(wxDefaultSize);
if (GetBitmapPlacement())
wxT("You must create the buttons before calling ")
wxT("wxWizard::AddBackNextPair") );
- // margin between Back and Next buttons
-#ifdef __WXMAC__
- static const int BACKNEXT_MARGIN = 10;
-#else
- static const int BACKNEXT_MARGIN = 0;
-#endif
-
wxBoxSizer *backNextPair = new wxBoxSizer(wxHORIZONTAL);
buttonRow->Add(
backNextPair,
);
backNextPair->Add(m_btnPrev);
- backNextPair->Add(BACKNEXT_MARGIN,0,
+ backNextPair->Add(10, 0,
0, // No horizontal stretching
wxEXPAND // No border, (mostly useless) vertical stretching
);
// 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'
+ // every time. 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.
m_sizerBmpAndPage->Detach(m_page);
}
- // set the new page
- m_page = page;
-
// is this the end?
- if ( !m_page )
+ if ( !page )
{
// terminate successfully
if ( IsModal() )
// and notify the user code (this is especially useful for modeless
// wizards)
- wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), false, 0);
+ wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), false, m_page);
(void)GetEventHandler()->ProcessEvent(event);
+ m_page = NULL;
+
return true;
}
+ // notice that we change m_page only here so that wxEVT_WIZARD_FINISHED
+ // event above could still use the correct (i.e. old) value of m_page
+ m_page = page;
+
// position and show the new page
(void)m_page->TransferDataToWindow();
if ( m_statbmp )
{
bmp = m_page->GetBitmap();
- if ( !bmp.Ok() )
+ if ( !bmp.IsOk() )
bmp = m_bitmap;
- if ( !bmpPrev.Ok() )
+ if ( !bmpPrev.IsOk() )
bmpPrev = m_bitmap;
if (!GetBitmapPlacement())
wxCHECK_RET( m_page, wxT("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
+ // GetNext/Prev() because the data transferred from the controls of the page
// may change the value returned by these methods
if ( !m_page->Validate() || !m_page->TransferDataFromWindow() )
{
bool forward = event.GetEventObject() == m_btnNext;
+ // Give the application a chance to set state which may influence GetNext()/GetPrev()
+ wxWizardEvent eventPreChanged(wxEVT_WIZARD_BEFORE_PAGE_CHANGED, GetId(), forward, m_page);
+ (void)m_page->GetEventHandler()->ProcessEvent(eventPreChanged);
+
+ if (!eventPreChanged.IsAllowed())
+ return;
+
wxWizardPage *page;
if ( forward )
{
if (!GetBitmapPlacement())
return false;
- if (bmp.Ok())
+ if (bmp.IsOk())
{
wxSize pageSize = m_sizerPage->GetSize();
if (pageSize == wxSize(0,0))
int bitmapWidth = wxMax(bmp.GetWidth(), GetMinimumBitmapWidth());
int bitmapHeight = pageSize.y;
- if (!m_statbmp->GetBitmap().Ok() || m_statbmp->GetBitmap().GetHeight() != bitmapHeight)
+ if (!m_statbmp->GetBitmap().IsOk() || m_statbmp->GetBitmap().GetHeight() != bitmapHeight)
{
wxBitmap bitmap(bitmapWidth, bitmapHeight);
{