+#include "wx/defs.h"
+
+#if wxUSE_WIZARDDLG
+
+// ----------------------------------------------------------------------------
+// headers and other simple declarations
+// ----------------------------------------------------------------------------
+
+#include "wx/dialog.h" // the base class
+#include "wx/panel.h" // ditto
+#include "wx/event.h" // wxEVT_XXX constants
+#include "wx/bitmap.h"
+
+// Extended style to specify a help button
+#define wxWIZARD_EX_HELPBUTTON 0x00000010
+
+// Placement flags
+#define wxWIZARD_VALIGN_TOP 0x01
+#define wxWIZARD_VALIGN_CENTRE 0x02
+#define wxWIZARD_VALIGN_BOTTOM 0x04
+#define wxWIZARD_HALIGN_LEFT 0x08
+#define wxWIZARD_HALIGN_CENTRE 0x10
+#define wxWIZARD_HALIGN_RIGHT 0x20
+#define wxWIZARD_TILE 0x40
+
+// forward declarations
+class WXDLLIMPEXP_FWD_ADV wxWizard;
+
+// ----------------------------------------------------------------------------
+// wxWizardPage is one of the wizards screen: it must know what are the
+// following and preceding pages (which may be NULL for the first/last page).
+//
+// Other than GetNext/Prev() functions, wxWizardPage is just a panel and may be
+// used as such (i.e. controls may be placed directly on it &c).
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxWizardPage : public wxPanel
+{
+public:
+ wxWizardPage() { Init(); }
+
+ // ctor accepts an optional bitmap which will be used for this page instead
+ // of the default one for this wizard (should be of the same size). Notice
+ // that no other parameters are needed because the wizard will resize and
+ // reposition the page anyhow
+ wxWizardPage(wxWizard *parent,
+ const wxBitmap& bitmap = wxNullBitmap);
+
+ bool Create(wxWizard *parent,
+ const wxBitmap& bitmap = wxNullBitmap);
+
+ // these functions are used by the wizard to show another page when the
+ // user chooses "Back" or "Next" button
+ virtual wxWizardPage *GetPrev() const = 0;
+ virtual wxWizardPage *GetNext() const = 0;
+
+ // default GetBitmap() will just return m_bitmap which is ok in 99% of
+ // cases - override this method if you want to create the bitmap to be used
+ // dynamically or to do something even more fancy. It's ok to return
+ // wxNullBitmap from here - the default one will be used then.
+ virtual wxBitmap GetBitmap() const { return m_bitmap; }
+
+#if wxUSE_VALIDATORS
+ // Override the base functions to allow a validator to be assigned to this page.
+ virtual bool TransferDataToWindow()
+ {
+ return GetValidator() ? GetValidator()->TransferToWindow()
+ : wxPanel::TransferDataToWindow();
+ }
+
+ virtual bool TransferDataFromWindow()
+ {
+ return GetValidator() ? GetValidator()->TransferFromWindow()
+ : wxPanel::TransferDataFromWindow();
+ }
+
+ virtual bool Validate()
+ {
+ return GetValidator() ? GetValidator()->Validate(this)
+ : wxPanel::Validate();
+ }
+#endif // wxUSE_VALIDATORS
+
+protected:
+ // common part of ctors:
+ void Init();
+
+ wxBitmap m_bitmap;
+
+private:
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxWizardPage)
+};
+
+// ----------------------------------------------------------------------------
+// wxWizardPageSimple just returns the pointers given to the ctor and is useful
+// to create a simple wizard where the order of pages never changes.
+//
+// OTOH, it is also possible to dynamicly decide which page to return (i.e.
+// depending on the user's choices) as the wizard sample shows - in order to do
+// this, you must derive from wxWizardPage directly.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_ADV wxWizardPageSimple : public wxWizardPage
+{
+public:
+ wxWizardPageSimple() { Init(); }
+
+ // ctor takes the previous and next pages
+ wxWizardPageSimple(wxWizard *parent,
+ wxWizardPage *prev = NULL,
+ wxWizardPage *next = NULL,
+ const wxBitmap& bitmap = wxNullBitmap)
+ {
+ Create(parent, prev, next, bitmap);
+ }
+
+ bool Create(wxWizard *parent = NULL, // let it be default ctor too
+ wxWizardPage *prev = NULL,
+ wxWizardPage *next = NULL,
+ const wxBitmap& bitmap = wxNullBitmap)
+ {
+ m_prev = prev;
+ m_next = next;
+ return wxWizardPage::Create(parent, bitmap);
+ }
+
+ // the pointers may be also set later - but before starting the wizard
+ void SetPrev(wxWizardPage *prev) { m_prev = prev; }
+ void SetNext(wxWizardPage *next) { m_next = next; }
+
+ // Convenience functions to make the pages follow each other without having
+ // to call their SetPrev() or SetNext() explicitly.
+ wxWizardPageSimple& Chain(wxWizardPageSimple* next)
+ {
+ SetNext(next);
+ next->SetPrev(this);
+ return *next;
+ }
+
+ static void Chain(wxWizardPageSimple *first, wxWizardPageSimple *second)
+ {
+ wxCHECK_RET( first && second,
+ wxT("NULL passed to wxWizardPageSimple::Chain") );
+
+ first->SetNext(second);
+ second->SetPrev(first);
+ }
+
+ // base class pure virtuals
+ virtual wxWizardPage *GetPrev() const;
+ virtual wxWizardPage *GetNext() const;
+
+private:
+ // common part of ctors:
+ void Init()
+ {
+ m_prev = m_next = NULL;
+ }
+
+ // pointers are private, the derived classes shouldn't mess with them -
+ // just derive from wxWizardPage directly to implement different behaviour
+ wxWizardPage *m_prev,
+ *m_next;
+
+ DECLARE_DYNAMIC_CLASS_NO_COPY(wxWizardPageSimple)
+};
+
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