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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: wx/persist/splitter.h | |
3 | // Purpose: Persistence support for wxSplitterWindow. | |
4 | // Author: Vadim Zeitlin | |
5 | // Created: 2011-08-31 | |
6 | // RCS-ID: $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $ | |
7 | // Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org> | |
8 | // Licence: wxWindows licence | |
9 | /////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifndef _WX_PERSIST_SPLITTER_H_ | |
12 | #define _WX_PERSIST_SPLITTER_H_ | |
13 | ||
14 | #include "wx/persist/window.h" | |
15 | ||
16 | #include "wx/splitter.h" | |
17 | ||
18 | // ---------------------------------------------------------------------------- | |
19 | // string constants used by wxPersistentSplitter | |
20 | // ---------------------------------------------------------------------------- | |
21 | ||
22 | #define wxPERSIST_SPLITTER_KIND "Splitter" | |
23 | ||
24 | // Special position value of -1 means the splitter is not split at all. | |
25 | #define wxPERSIST_SPLITTER_POSITION "Position" | |
26 | ||
27 | // ---------------------------------------------------------------------------- | |
28 | // wxPersistentSplitter: supports saving/restoring splitter position | |
29 | // ---------------------------------------------------------------------------- | |
30 | ||
31 | class wxPersistentSplitter : public wxPersistentWindow<wxSplitterWindow> | |
32 | { | |
33 | public: | |
34 | wxPersistentSplitter(wxSplitterWindow* splitter) | |
35 | : wxPersistentWindow<wxSplitterWindow>(splitter) | |
36 | { | |
37 | } | |
38 | ||
39 | virtual void Save() const | |
40 | { | |
41 | wxSplitterWindow* const splitter = Get(); | |
42 | ||
43 | int pos = splitter->IsSplit() ? splitter->GetSashPosition() : -1; | |
44 | SaveValue(wxPERSIST_SPLITTER_POSITION, pos); | |
45 | } | |
46 | ||
47 | virtual bool Restore() | |
48 | { | |
49 | int pos; | |
50 | if ( !RestoreValue(wxPERSIST_SPLITTER_POSITION, &pos) ) | |
51 | return false; | |
52 | ||
53 | if ( pos == -1 ) | |
54 | Get()->Unsplit(); | |
55 | else | |
56 | Get()->SetSashPosition(pos); | |
57 | ||
58 | return true; | |
59 | } | |
60 | ||
61 | virtual wxString GetKind() const { return wxPERSIST_SPLITTER_KIND; } | |
62 | }; | |
63 | ||
64 | inline wxPersistentObject *wxCreatePersistentObject(wxSplitterWindow* splitter) | |
65 | { | |
66 | return new wxPersistentSplitter(splitter); | |
67 | } | |
68 | ||
69 | #endif // _WX_PERSIST_SPLITTER_H_ |