1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/**
* Undo / redo / undo log commit listener
*
* Authors:
* David Yip <yipdw@rose-hulman.edu>
*
* Copyright (c) 2005 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifndef __WHITEBOARD_UNDO_COMMIT_OBSERVER_H__
#define __WHITEBOARD_UNDO_COMMIT_OBSERVER_H__
#include <glibmm.h>
#include "../undo-stack-observer.h"
#include "jabber_whiteboard/typedefs.h"
namespace Inkscape {
namespace Whiteboard {
class SessionManager;
/**
* Inkboard implementation of Inkscape::UndoStackObserver.
*/
class UndoStackObserver : public Inkscape::UndoStackObserver {
public:
enum ObserverType {
UNDO_EVENT,
REDO_EVENT,
UNDO_COMMIT_EVENT
};
UndoStackObserver(SessionManager* sm);
~UndoStackObserver();
void notifyUndoEvent(XML::Event* log);
void notifyRedoEvent(XML::Event* log);
void notifyUndoCommitEvent(XML::Event* log);
void lockObserverFromSending(ObserverType type);
void unlockObserverFromSending(ObserverType type);
private:
SessionManager* _sm;
// common action handler
void _doAction(XML::Event* log);
// noncopyable, nonassignable
UndoStackObserver(UndoStackObserver const& other);
UndoStackObserver& operator=(UndoStackObserver const& other);
unsigned int _undoSendEventLocks;
unsigned int _redoSendEventLocks;
unsigned int _undoCommitSendEventLocks;
};
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
|