/////////////////////////////////////////////////////////////////////////////// // Name: wizard.h // Purpose: wxWizard class: a GUI control presenting the user with a // sequence of dialogs which allows to simply perform some task // Author: Vadim Zeitlin (partly based on work by Ron Kuris and Kevin B. // Smith) // Modified by: Robert Cavanaugh // Added capability to use .WXR resource files in Wizard pages // Added wxWIZARD_HELP event // Created: 15.08.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_WIZARD_H_ #define _WX_WIZARD_H_ #if wxUSE_WIZARDDLG // ---------------------------------------------------------------------------- // headers and other simple declarations // ---------------------------------------------------------------------------- #ifndef WX_PRECOMP #include "wx/dialog.h" // the base class #include "wx/panel.h" // ditto #include "wx/event.h" // wxEVT_XXX constants #endif // WX_PRECOMP #include "wx/bitmap.h" // Extended style to specify a help button #define wxWIZARD_EX_HELPBUTTON 0x00000010 // forward declarations class WXDLLEXPORT 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 WXDLLEXPORT 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, const wxChar* resource = NULL); bool Create(wxWizard *parent, const wxBitmap& bitmap = wxNullBitmap, const wxChar* resource = NULL); // 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; } protected: // common part of ctors: void Init(); wxBitmap m_bitmap; private: DECLARE_ABSTRACT_CLASS(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 WXDLLEXPORT wxWizardPageSimple : public wxWizardPage { public: wxWizardPageSimple() { Init(); } // ctor takes the previous and next pages wxWizardPageSimple(wxWizard *parent, wxWizardPage *prev = (wxWizardPage *)NULL, wxWizardPage *next = (wxWizardPage *)NULL, const wxBitmap& bitmap = wxNullBitmap, const wxChar* resource = NULL) { Create(parent, prev, next, bitmap, resource); } bool Create(wxWizard *parent = NULL, // let it be default ctor too wxWizardPage *prev = (wxWizardPage *)NULL, wxWizardPage *next = (wxWizardPage *)NULL, const wxBitmap& bitmap = wxNullBitmap, const wxChar* resource = NULL) { m_prev = prev; m_next = next; return wxWizardPage::Create(parent, bitmap, resource); } // 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; } // a convenience function to make the pages follow each other 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(wxWizardPageSimple) DECLARE_NO_COPY_CLASS(wxWizardPageSimple) }; // ---------------------------------------------------------------------------- // wxWizard // ---------------------------------------------------------------------------- class WXDLLEXPORT wxWizardBase : public wxDialog { public: /* The derived class (i.e. the real wxWizard) has a ctor and Create() function taking the following arguments: wxWizard(wxWindow *parent, int id = -1, const wxString& title = wxEmptyString, const wxBitmap& bitmap = wxNullBitmap, const wxPoint& pos = wxDefaultPosition); */ // executes the wizard starting from the given page, returns TRUE if it was // successfully finished, FALSE if user cancelled it virtual bool RunWizard(wxWizardPage *firstPage) = 0; // get the current page (NULL if RunWizard() isn't running) virtual wxWizardPage *GetCurrentPage() const = 0; // set the min size which should be available for the pages: a // wizard will take into account the size of the bitmap (if any) // itself and will never be less than some predefined fixed size virtual void SetPageSize(const wxSize& size) = 0; // get the size available for the page: the wizards are not resizeable, so // this size doesn't change virtual wxSize GetPageSize() const = 0; // set the best size for the wizard, i.e. make it big enough to contain all // of the pages starting from the given one // // this function may be called several times and possible with different // pages in which case it will only increase the page size if needed (this // may be useful if not all pages are accessible from the first one by // default) virtual void FitToPage(const wxWizardPage *firstPage) = 0; // wxWizard should be created using "new wxWizard" now, not with Create() #ifdef WXWIN_COMPATIBILITY_2_2 static wxWizard *Create(wxWindow *parent, int id = -1, const wxString& title = wxEmptyString, const wxBitmap& bitmap = wxNullBitmap, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize); #endif // WXWIN_COMPATIBILITY_2_2 // the methods below may be overridden by the derived classes to provide // custom logic for determining the pages order virtual bool HasNextPage(wxWizardPage *page) { return page->GetNext() != NULL; } virtual bool HasPrevPage(wxWizardPage *page) { return page->GetPrev() != NULL; } }; // include the real class declaration #include "wx/generic/wizard.h" // ---------------------------------------------------------------------------- // wxWizardEvent class represents an event generated by the wizard: this event // is first sent to the page itself and, if not processed there, goes up the // window hierarchy as usual // ---------------------------------------------------------------------------- class WXDLLEXPORT wxWizardEvent : public wxNotifyEvent { public: wxWizardEvent(wxEventType type = wxEVT_NULL, int id = -1, bool direction = TRUE, wxWizardPage* page = NULL); // for EVT_WIZARD_PAGE_CHANGING, return TRUE if we're going forward or // FALSE otherwise and for EVT_WIZARD_PAGE_CHANGED return TRUE if we came // from the previous page and FALSE if we returned from the next one // (this function doesn't make sense for CANCEL events) bool GetDirection() const { return m_direction; } wxWizardPage* GetPage() const { return m_page; } private: bool m_direction; wxWizardPage* m_page; DECLARE_DYNAMIC_CLASS(wxWizardEvent) DECLARE_NO_COPY_CLASS(wxWizardEvent) }; // ---------------------------------------------------------------------------- // macros for handling wxWizardEvents // ---------------------------------------------------------------------------- BEGIN_DECLARE_EVENT_TYPES() DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED, 900) DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING, 901) DECLARE_EVENT_TYPE(wxEVT_WIZARD_CANCEL, 902) DECLARE_EVENT_TYPE(wxEVT_WIZARD_HELP, 903) DECLARE_EVENT_TYPE(wxEVT_WIZARD_FINISHED, 903) END_DECLARE_EVENT_TYPES() typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&); // notifies that the page has just been changed (can't be vetoed) #define EVT_WIZARD_PAGE_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL), // the user pressed "" button and the page is going to be // changed - unless the event handler vetoes the event #define EVT_WIZARD_PAGE_CHANGING(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL), // the user pressed "Cancel" button and the wizard is going to be dismissed - // unless the event handler vetoes the event #define EVT_WIZARD_CANCEL(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_CANCEL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL), // the user pressed "Finish" button and the wizard is going to be dismissed - #define EVT_WIZARD_FINISHED(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_FINISHED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL), // the user pressed "Help" button #define EVT_WIZARD_HELP(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_HELP, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL), #endif // wxUSE_WIZARDDLG #endif // _WX_WIZARD_H_