X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/66cd017c29f69d178d09f6c6a05040461a325709..ab67e8874db324fab5223cc8d5dff8a8de3e2b77:/include/wx/wizard.h diff --git a/include/wx/wizard.h b/include/wx/wizard.h index 118a6f5c0f..2d38be5b87 100644 --- a/include/wx/wizard.h +++ b/include/wx/wizard.h @@ -1,87 +1,330 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: wizard.h +// Name: wx/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: +// Modified by: Robert Cavanaugh +// Added capability to use .WXR resource files in Wizard pages +// Added wxWIZARD_HELP event +// Robert Vazan (sizers) // Created: 15.08.99 // RCS-ID: $Id$ // Copyright: (c) 1999 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_WIZARD_H_ #define _WX_WIZARD_H_ +#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; } + + // 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_NO_COPY(wxWizardPageSimple) +}; + // ---------------------------------------------------------------------------- // wxWizard // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxWizard : public wxDialog +class WXDLLIMPEXP_ADV wxWizardBase : public wxDialog { public: - // create the wizard control - static wxWizard *Create(wxWindow *parent, - int id = -1, - const wxString& title = wxEmptyString, - const wxBitmap& bitmap = wxNullBitmap, - 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; + /* + The derived class (i.e. the real wxWizard) has a ctor and Create() + function taking the following arguments: + + wxWizard(wxWindow *parent, + int id = wxID_ANY, + const wxString& title = wxEmptyString, + const wxBitmap& bitmap = wxNullBitmap, + const wxPoint& pos = wxDefaultPosition, + long style = wxDEFAULT_DIALOG_STYLE); + */ + wxWizardBase() { } + + // 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; + + // 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 + 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; + + // Adding pages to page area sizer enlarges wizard + virtual wxSizer *GetPageAreaSizer() const = 0; + + // Set border around page area. Default is 0 if you add at least one + // page to GetPageAreaSizer and 5 if you don't. + virtual void SetBorder(int border) = 0; + + // 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; } + + /// Override these functions to stop InitDialog from calling TransferDataToWindow + /// for _all_ pages when the wizard starts. Instead 'ShowPage' will call + /// TransferDataToWindow for the first page only. + bool TransferDataToWindow() { return true; } + bool TransferDataFromWindow() { return true; } + bool Validate() { return true; } private: - DECLARE_DYNAMIC_CLASS(wxWizard) + wxDECLARE_NO_COPY_CLASS(wxWizardBase); }; +// 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 +class WXDLLIMPEXP_ADV wxWizardEvent : public wxNotifyEvent { public: - wxWizardEvent(wxEventType type = wxEVT_NULL, int id = 0); + wxWizardEvent(wxEventType type = wxEVT_NULL, + int id = wxID_ANY, + 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; } - // get the previously active page or -1 if none - int GetOldPage() const { return m_pageOld; } + wxWizardPage* GetPage() const { return m_page; } - // get the current page or -1 if none - int GetPage() const { return m_page; } + virtual wxEvent *Clone() const { return new wxWizardEvent(*this); } private: - int m_pageOld, m_page; + bool m_direction; + wxWizardPage* m_page; - DECLARE_DYNAMIC_CLASS(wxWizardEvent) + DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxWizardEvent) }; // ---------------------------------------------------------------------------- // macros for handling wxWizardEvents // ---------------------------------------------------------------------------- +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_CHANGED, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_CHANGING, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_CANCEL, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_HELP, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_FINISHED, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_PAGE_SHOWN, wxWizardEvent ); +wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_ADV, wxEVT_WIZARD_BEFORE_PAGE_CHANGED, wxWizardEvent ); + typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&); -// notifies that the page has just been changed -#define EVT_WIZARD_PAGE_CHANGED(id, fn) { wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, +#define wxWizardEventHandler(func) \ + wxEVENT_HANDLER_CAST(wxWizardEventFunction, func) + +#define wx__DECLARE_WIZARDEVT(evt, id, fn) \ + wx__DECLARE_EVT1(wxEVT_WIZARD_ ## evt, id, wxWizardEventHandler(fn)) + +// notifies that the page has just been changed (can't be vetoed) +#define EVT_WIZARD_PAGE_CHANGED(id, fn) wx__DECLARE_WIZARDEVT(PAGE_CHANGED, id, fn) // 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) { wxEVT_WIZARD_PAGE_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, +#define EVT_WIZARD_PAGE_CHANGING(id, fn) wx__DECLARE_WIZARDEVT(PAGE_CHANGING, id, fn) + +// Called before GetNext/GetPrev is called, so that the handler can change state that will be +// used when GetNext/GetPrev is called. PAGE_CHANGING is called too late to influence GetNext/GetPrev. +#define EVT_WIZARD_BEFORE_PAGE_CHANGED(id, fn) wx__DECLARE_WIZARDEVT(BEFORE_PAGE_CHANGED, id, fn) // 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) { wxEVT_WIZARD_CANCEL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, +#define EVT_WIZARD_CANCEL(id, fn) wx__DECLARE_WIZARDEVT(CANCEL, id, fn) + +// the user pressed "Finish" button and the wizard is going to be dismissed - +#define EVT_WIZARD_FINISHED(id, fn) wx__DECLARE_WIZARDEVT(FINISHED, id, fn) + +// the user pressed "Help" button +#define EVT_WIZARD_HELP(id, fn) wx__DECLARE_WIZARDEVT(HELP, id, fn) + +// the page was just shown and laid out +#define EVT_WIZARD_PAGE_SHOWN(id, fn) wx__DECLARE_WIZARDEVT(PAGE_SHOWN, id, fn) + +#endif // wxUSE_WIZARDDLG #endif // _WX_WIZARD_H_