X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b87654f3fd52a9b6c1ebf5a3ff57c85b6c5631d6..ae80f83724464f0d178d85a60e1ba6e9a1c4ae8f:/include/wx/wizard.h diff --git a/include/wx/wizard.h b/include/wx/wizard.h index 0c9e577700..58eb283c51 100644 --- a/include/wx/wizard.h +++ b/include/wx/wizard.h @@ -15,7 +15,7 @@ #define _WX_WIZARD_H_ // ---------------------------------------------------------------------------- -// headers +// headers and other simple declarations // ---------------------------------------------------------------------------- #ifndef WX_PRECOMP @@ -24,11 +24,98 @@ #include "wx/event.h" // wxEVT_XXX constants #endif // WX_PRECOMP +// 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: + // 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); + + // 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: + 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: + // ctor takes the previous and next pages + wxWizardPageSimple(wxWizard *parent = NULL, // let it be default ctor too + wxWizardPage *prev = (wxWizardPage *)NULL, + wxWizardPage *next = (wxWizardPage *)NULL) + : wxWizardPage(parent) + { + m_prev = prev; + m_next = next; + } + + // 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: + // 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) +}; + // ---------------------------------------------------------------------------- // wxWizard // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxWizard : public wxDialog +class WXDLLEXPORT wxWizardBase : public wxDialog { public: // create the wizard control @@ -39,40 +126,42 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize); - // wizard construction: add/insert new page into it - // adds a page at the end - virtual void AddPage(wxPanel *page) = 0; - // adds a page before the page nPage (the new page will have this index) - virtual void InsertPage(int nPage, wxPanel *page) = 0; - - // executes the wizard, returns TRUE if it was successfully finished, FALSE - // if user cancelled it - virtual bool RunWizard() = 0; + // 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 wxPanel *GetCurrentPage() const = 0; + virtual wxWizardPage *GetCurrentPage() const = 0; -private: - DECLARE_DYNAMIC_CLASS(wxWizard) + // get the size available for the page: the wizards are not resizeable, so + // this size doesn't change + virtual wxSize GetPageSize() const = 0; }; +// include the real class declaration +#include "wx/generic/wizard.h" + // ---------------------------------------------------------------------------- -// wxWizardEvent class represents an event generated by the wizard +// 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 = 0); - - // get the previously active page or -1 if none - int GetOldPage() const { return m_pageOld; } + wxWizardEvent(wxEventType type = wxEVT_NULL, + int id = -1, + bool direction = TRUE); - // get the current page or -1 if none - int GetPage() const { return m_page; } + // 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; } private: - int m_pageOld, m_page; + bool m_direction; DECLARE_DYNAMIC_CLASS(wxWizardEvent) }; @@ -83,7 +172,7 @@ private: typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&); -// notifies that the page has just been changed +// notifies that the page has just been changed (can't be vetoed) #define EVT_WIZARD_PAGE_CHANGED(id, fn) { wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, // the user pressed "" button and the page is going to be