22f3361e1c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18525 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
283 lines
11 KiB
C++
283 lines
11 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wizard.h
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// Purpose: wxWizard class: a GUI control presenting the user with a
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// sequence of dialogs which allows to simply perform some task
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// Author: Vadim Zeitlin (partly based on work by Ron Kuris and Kevin B.
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// Smith)
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// Modified by: Robert Cavanaugh
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// Added capability to use .WXR resource files in Wizard pages
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// Added wxWIZARD_HELP event
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// Created: 15.08.99
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// RCS-ID: $Id$
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// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_WIZARD_H_
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#define _WX_WIZARD_H_
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#if wxUSE_WIZARDDLG
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// ----------------------------------------------------------------------------
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// headers and other simple declarations
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// ----------------------------------------------------------------------------
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#ifndef WX_PRECOMP
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#include "wx/dialog.h" // the base class
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#include "wx/panel.h" // ditto
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#include "wx/event.h" // wxEVT_XXX constants
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#endif // WX_PRECOMP
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// Extended style to specify a help button
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#define wxWIZARD_EX_HELPBUTTON 0x00000010
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// forward declarations
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class WXDLLEXPORT wxWizard;
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// ----------------------------------------------------------------------------
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// wxWizardPage is one of the wizards screen: it must know what are the
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// following and preceding pages (which may be NULL for the first/last page).
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//
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// Other than GetNext/Prev() functions, wxWizardPage is just a panel and may be
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// used as such (i.e. controls may be placed directly on it &c).
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxWizardPage : public wxPanel
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{
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public:
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wxWizardPage() { Init(); }
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// ctor accepts an optional bitmap which will be used for this page instead
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// of the default one for this wizard (should be of the same size). Notice
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// that no other parameters are needed because the wizard will resize and
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// reposition the page anyhow
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wxWizardPage(wxWizard *parent,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxChar* resource = NULL);
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bool Create(wxWizard *parent,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxChar* resource = NULL);
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// these functions are used by the wizard to show another page when the
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// user chooses "Back" or "Next" button
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virtual wxWizardPage *GetPrev() const = 0;
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virtual wxWizardPage *GetNext() const = 0;
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// default GetBitmap() will just return m_bitmap which is ok in 99% of
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// cases - override this method if you want to create the bitmap to be used
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// dynamically or to do something even more fancy. It's ok to return
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// wxNullBitmap from here - the default one will be used then.
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virtual wxBitmap GetBitmap() const { return m_bitmap; }
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protected:
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// common part of ctors:
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void Init();
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wxBitmap m_bitmap;
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private:
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DECLARE_ABSTRACT_CLASS(wxWizardPage)
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};
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// ----------------------------------------------------------------------------
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// wxWizardPageSimple just returns the pointers given to the ctor and is useful
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// to create a simple wizard where the order of pages never changes.
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//
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// OTOH, it is also possible to dynamicly decide which page to return (i.e.
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// depending on the user's choices) as the wizard sample shows - in order to do
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// this, you must derive from wxWizardPage directly.
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxWizardPageSimple : public wxWizardPage
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{
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public:
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wxWizardPageSimple() { Init(); }
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// ctor takes the previous and next pages
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wxWizardPageSimple(wxWizard *parent,
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wxWizardPage *prev = (wxWizardPage *)NULL,
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wxWizardPage *next = (wxWizardPage *)NULL,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxChar* resource = NULL)
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{
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Create(parent, prev, next, bitmap, resource);
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}
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bool Create(wxWizard *parent = NULL, // let it be default ctor too
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wxWizardPage *prev = (wxWizardPage *)NULL,
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wxWizardPage *next = (wxWizardPage *)NULL,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxChar* resource = NULL)
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{
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m_prev = prev;
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m_next = next;
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return wxWizardPage::Create(parent, bitmap, resource);
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}
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// the pointers may be also set later - but before starting the wizard
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void SetPrev(wxWizardPage *prev) { m_prev = prev; }
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void SetNext(wxWizardPage *next) { m_next = next; }
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// a convenience function to make the pages follow each other
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static void Chain(wxWizardPageSimple *first, wxWizardPageSimple *second)
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{
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wxCHECK_RET( first && second,
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wxT("NULL passed to wxWizardPageSimple::Chain") );
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first->SetNext(second);
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second->SetPrev(first);
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}
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// base class pure virtuals
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virtual wxWizardPage *GetPrev() const;
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virtual wxWizardPage *GetNext() const;
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private:
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// common part of ctors:
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void Init()
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{
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m_prev = m_next = NULL;
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}
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// pointers are private, the derived classes shouldn't mess with them -
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// just derive from wxWizardPage directly to implement different behaviour
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wxWizardPage *m_prev,
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*m_next;
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DECLARE_DYNAMIC_CLASS(wxWizardPageSimple)
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DECLARE_NO_COPY_CLASS(wxWizardPageSimple)
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};
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// ----------------------------------------------------------------------------
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// wxWizard
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxWizardBase : public wxDialog
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{
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public:
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/*
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The derived class (i.e. the real wxWizard) has a ctor and Create()
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function taking the following arguments:
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wxWizard(wxWindow *parent,
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int id = -1,
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const wxString& title = wxEmptyString,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxPoint& pos = wxDefaultPosition);
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*/
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// executes the wizard starting from the given page, returns TRUE if it was
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// successfully finished, FALSE if user cancelled it
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virtual bool RunWizard(wxWizardPage *firstPage) = 0;
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// get the current page (NULL if RunWizard() isn't running)
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virtual wxWizardPage *GetCurrentPage() const = 0;
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// set the min size which should be available for the pages: a
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// wizard will take into account the size of the bitmap (if any)
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// itself and will never be less than some predefined fixed size
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virtual void SetPageSize(const wxSize& size) = 0;
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// get the size available for the page: the wizards are not resizeable, so
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// this size doesn't change
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virtual wxSize GetPageSize() const = 0;
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// set the best size for the wizard, i.e. make it big enough to contain all
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// of the pages starting from the given one
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//
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// this function may be called several times and possible with different
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// pages in which case it will only increase the page size if needed (this
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// may be useful if not all pages are accessible from the first one by
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// default)
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virtual void FitToPage(const wxWizardPage *firstPage) = 0;
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// wxWizard should be created using "new wxWizard" now, not with Create()
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#ifdef WXWIN_COMPATIBILITY_2_2
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static wxWizard *Create(wxWindow *parent,
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int id = -1,
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const wxString& title = wxEmptyString,
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const wxBitmap& bitmap = wxNullBitmap,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize);
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#endif // WXWIN_COMPATIBILITY_2_2
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// the methods below may be overridden by the derived classes to provide
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// custom logic for determining the pages order
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virtual bool HasNextPage(wxWizardPage *page)
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{ return page->GetNext() != NULL; }
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virtual bool HasPrevPage(wxWizardPage *page)
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{ return page->GetPrev() != NULL; }
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};
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// include the real class declaration
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#include "wx/generic/wizard.h"
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// ----------------------------------------------------------------------------
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// wxWizardEvent class represents an event generated by the wizard: this event
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// is first sent to the page itself and, if not processed there, goes up the
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// window hierarchy as usual
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxWizardEvent : public wxNotifyEvent
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{
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public:
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wxWizardEvent(wxEventType type = wxEVT_NULL,
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int id = -1,
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bool direction = TRUE,
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wxWizardPage* page = NULL);
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// for EVT_WIZARD_PAGE_CHANGING, return TRUE if we're going forward or
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// FALSE otherwise and for EVT_WIZARD_PAGE_CHANGED return TRUE if we came
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// from the previous page and FALSE if we returned from the next one
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// (this function doesn't make sense for CANCEL events)
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bool GetDirection() const { return m_direction; }
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wxWizardPage* GetPage() const { return m_page; }
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private:
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bool m_direction;
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wxWizardPage* m_page;
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DECLARE_DYNAMIC_CLASS(wxWizardEvent)
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DECLARE_NO_COPY_CLASS(wxWizardEvent)
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};
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// ----------------------------------------------------------------------------
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// macros for handling wxWizardEvents
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// ----------------------------------------------------------------------------
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BEGIN_DECLARE_EVENT_TYPES()
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DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED, 900)
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DECLARE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING, 901)
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DECLARE_EVENT_TYPE(wxEVT_WIZARD_CANCEL, 902)
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DECLARE_EVENT_TYPE(wxEVT_WIZARD_HELP, 903)
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DECLARE_EVENT_TYPE(wxEVT_WIZARD_FINISHED, 903)
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END_DECLARE_EVENT_TYPES()
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typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&);
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// notifies that the page has just been changed (can't be vetoed)
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#define EVT_WIZARD_PAGE_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
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// the user pressed "<Back" or "Next>" button and the page is going to be
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// changed - unless the event handler vetoes the event
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#define EVT_WIZARD_PAGE_CHANGING(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_PAGE_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
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// the user pressed "Cancel" button and the wizard is going to be dismissed -
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// unless the event handler vetoes the event
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#define EVT_WIZARD_CANCEL(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_CANCEL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
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// the user pressed "Finish" button and the wizard is going to be dismissed -
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#define EVT_WIZARD_FINISHED(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_FINISHED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
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// the user pressed "Help" button
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#define EVT_WIZARD_HELP(id, fn) DECLARE_EVENT_TABLE_ENTRY(wxEVT_WIZARD_HELP, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL),
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#endif // wxUSE_WIZARDDLG
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#endif // _WX_WIZARD_H_
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