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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wizard.h | |
3 | // Purpose: wxWizard class: a GUI control presenting the user with a | |
4 | // sequence of dialogs which allows to simply perform some task | |
5 | // Author: Vadim Zeitlin (partly based on work by Ron Kuris and Kevin B. | |
6 | // Smith) | |
7 | // Modified by: | |
8 | // Created: 15.08.99 | |
9 | // RCS-ID: $Id$ | |
10 | // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
11 | // Licence: wxWindows license | |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #ifndef _WX_WIZARD_H_ | |
15 | #define _WX_WIZARD_H_ | |
16 | ||
17 | // ---------------------------------------------------------------------------- | |
18 | // headers and other simple declarations | |
19 | // ---------------------------------------------------------------------------- | |
20 | ||
21 | #ifndef WX_PRECOMP | |
22 | #include "wx/dialog.h" // the base class | |
23 | ||
24 | #include "wx/event.h" // wxEVT_XXX constants | |
25 | #endif // WX_PRECOMP | |
26 | ||
27 | // forward declarations | |
28 | class WXDLLEXPORT wxWizard; | |
29 | ||
30 | // ---------------------------------------------------------------------------- | |
31 | // wxWizardPage is one of the wizards screen: it must know what are the | |
32 | // following and preceding pages (which may be NULL for the first/last page). | |
33 | // | |
34 | // Other than GetNext/Prev() functions, wxWizardPage is just a panel and may be | |
35 | // used as such (i.e. controls may be placed directly on it &c). | |
36 | // ---------------------------------------------------------------------------- | |
37 | ||
38 | class WXDLLEXPORT wxWizardPage : public wxPanel | |
39 | { | |
40 | public: | |
41 | // ctor accepts an optional bitmap which will be used for this page instead | |
42 | // of the default one for this wizard (should be of the same size). Notice | |
43 | // that no other parameters are needed because the wizard will resize and | |
44 | // reposition the page anyhow | |
45 | wxWizardPage(wxWizard *parent, const wxBitmap& bitmap = wxNullBitmap); | |
46 | ||
47 | // these functions are used by the wizard to show another page when the | |
48 | // user chooses "Back" or "Next" button | |
49 | virtual wxWizardPage *GetPrev() const = 0; | |
50 | virtual wxWizardPage *GetNext() const = 0; | |
51 | ||
52 | // default GetBitmap() will just return m_bitmap which is ok in 99% of | |
53 | // cases - override this method if you want to create the bitmap to be used | |
54 | // dynamically or to do something even more fancy. It's ok to return | |
55 | // wxNullBitmap from here - the default one will be used then. | |
56 | virtual wxBitmap GetBitmap() const { return m_bitmap; } | |
57 | ||
58 | protected: | |
59 | wxBitmap m_bitmap; | |
60 | ||
61 | private: | |
62 | DECLARE_ABSTRACT_CLASS(wxWizardPage) | |
63 | }; | |
64 | ||
65 | // ---------------------------------------------------------------------------- | |
66 | // wxWizardPageSimple just returns the pointers given to the ctor and is useful | |
67 | // to create a simple wizard where the order of pages never changes. | |
68 | // | |
69 | // OTOH, it is also possible to dynamicly decide which page to return (i.e. | |
70 | // depending on the user's choices) as the wizard sample shows - in order to do | |
71 | // this, you must derive from wxWizardPage directly. | |
72 | // ---------------------------------------------------------------------------- | |
73 | ||
74 | class WXDLLEXPORT wxWizardPageSimple : public wxWizardPage | |
75 | { | |
76 | public: | |
77 | // ctor takes the previous and next pages | |
78 | wxWizardPageSimple(wxWizard *parent = NULL, // let it be default ctor too | |
79 | wxWizardPage *prev = (wxWizardPage *)NULL, | |
80 | wxWizardPage *next = (wxWizardPage *)NULL) | |
81 | : wxWizardPage(parent) | |
82 | { | |
83 | m_prev = prev; | |
84 | m_next = next; | |
85 | } | |
86 | ||
87 | // the pointers may be also set later - but before starting the wizard | |
88 | void SetPrev(wxWizardPage *prev) { m_prev = prev; } | |
89 | void SetNext(wxWizardPage *next) { m_next = next; } | |
90 | ||
91 | // a convenience function to make the pages follow each other | |
92 | static void Chain(wxWizardPageSimple *first, wxWizardPageSimple *second) | |
93 | { | |
94 | wxCHECK_RET( first && second, | |
95 | wxT("NULL passed to wxWizardPageSimple::Chain") ); | |
96 | ||
97 | first->SetNext(second); | |
98 | second->SetPrev(first); | |
99 | } | |
100 | ||
101 | // base class pure virtuals | |
102 | virtual wxWizardPage *GetPrev() const; | |
103 | virtual wxWizardPage *GetNext() const; | |
104 | ||
105 | private: | |
106 | // pointers are private, the derived classes shouldn't mess with them - | |
107 | // just derive from wxWizardPage directly to implement different behaviour | |
108 | wxWizardPage *m_prev, | |
109 | *m_next; | |
110 | ||
111 | DECLARE_DYNAMIC_CLASS(wxWizardPageSimple) | |
112 | }; | |
113 | ||
114 | // ---------------------------------------------------------------------------- | |
115 | // wxWizard | |
116 | // ---------------------------------------------------------------------------- | |
117 | ||
118 | class WXDLLEXPORT wxWizardBase : public wxDialog | |
119 | { | |
120 | public: | |
121 | // create the wizard control | |
122 | static wxWizard *Create(wxWindow *parent, | |
123 | int id = -1, | |
124 | const wxString& title = wxEmptyString, | |
125 | const wxBitmap& bitmap = wxNullBitmap, | |
126 | const wxPoint& pos = wxDefaultPosition, | |
127 | const wxSize& size = wxDefaultSize); | |
128 | ||
129 | // executes the wizard starting from the given page, returns TRUE if it was | |
130 | // successfully finished, FALSE if user cancelled it | |
131 | virtual bool RunWizard(wxWizardPage *firstPage) = 0; | |
132 | ||
133 | // get the current page (NULL if RunWizard() isn't running) | |
134 | virtual wxWizardPage *GetCurrentPage() const = 0; | |
135 | ||
136 | // get the size available for the page: the wizards are not resizeable, so | |
137 | // this size doesn't change | |
138 | virtual wxSize GetPageSize() const = 0; | |
139 | }; | |
140 | ||
141 | // include the real class declaration | |
142 | #include "wx/generic/wizard.h" | |
143 | ||
144 | // ---------------------------------------------------------------------------- | |
145 | // wxWizardEvent class represents an event generated by the wizard: this event | |
146 | // is first sent to the page itself and, if not processed there, goes up the | |
147 | // window hierarchy as usual | |
148 | // ---------------------------------------------------------------------------- | |
149 | ||
150 | class WXDLLEXPORT wxWizardEvent : public wxNotifyEvent | |
151 | { | |
152 | public: | |
153 | wxWizardEvent(wxEventType type = wxEVT_NULL, | |
154 | int id = -1, | |
155 | bool direction = TRUE); | |
156 | ||
157 | // for EVT_WIZARD_PAGE_CHANGING, return TRUE if we're going forward or | |
158 | // FALSE otherwise and for EVT_WIZARD_PAGE_CHANGED return TRUE if we came | |
159 | // from the previous page and FALSE if we returned from the next one | |
160 | // (this function doesn't make sense for CANCEL events) | |
161 | bool GetDirection() const { return m_direction; } | |
162 | ||
163 | private: | |
164 | bool m_direction; | |
165 | ||
166 | DECLARE_DYNAMIC_CLASS(wxWizardEvent) | |
167 | }; | |
168 | ||
169 | // ---------------------------------------------------------------------------- | |
170 | // macros for handling wxWizardEvents | |
171 | // ---------------------------------------------------------------------------- | |
172 | ||
173 | typedef void (wxEvtHandler::*wxWizardEventFunction)(wxWizardEvent&); | |
174 | ||
175 | // notifies that the page has just been changed (can't be vetoed) | |
176 | #define EVT_WIZARD_PAGE_CHANGED(id, fn) { wxEVT_WIZARD_PAGE_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, | |
177 | ||
178 | // the user pressed "<Back" or "Next>" button and the page is going to be | |
179 | // changed - unless the event handler vetoes the event | |
180 | #define EVT_WIZARD_PAGE_CHANGING(id, fn) { wxEVT_WIZARD_PAGE_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, | |
181 | ||
182 | // the user pressed "Cancel" button and the wizard is going to be dismissed - | |
183 | // unless the event handler vetoes the event | |
184 | #define EVT_WIZARD_CANCEL(id, fn) { wxEVT_WIZARD_CANCEL, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxWizardEventFunction) & fn, (wxObject *)NULL }, | |
185 | ||
186 | #endif // _WX_WIZARD_H_ |