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-rw-r--r--kaddressbook/undo.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/kaddressbook/undo.cpp b/kaddressbook/undo.cpp
index 4442087..a6c1580 100644
--- a/kaddressbook/undo.cpp
+++ b/kaddressbook/undo.cpp
@@ -1,119 +1,119 @@
1/* 1/*
2 This file is part of KAddressBook. 2 This file is part of KAddressBook.
3 Copyright (C) 1999 Don Sanders <sanders@kde.org> 3 Copyright (C) 1999 Don Sanders <sanders@kde.org>
4 4
5 This program is free software; you can redistribute it and/or modify 5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by 6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or 7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 8 (at your option) any later version.
9 9
10 This program is distributed in the hope that it will be useful, 10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details. 13 GNU General Public License for more details.
14 14
15 You should have received a copy of the GNU General Public License 15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software 16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 18
19 As a special exception, permission is given to link this program 19 As a special exception, permission is given to link this program
20 with any edition of Qt, and distribute the resulting executable, 20 with any edition of Qt, and distribute the resulting executable,
21 without including the source code for Qt in the source distribution. 21 without including the source code for Qt in the source distribution.
22*/ 22*/
23 23
24#include "undo.h" 24#include "undo.h"
25 25
26/////////////////////////////// 26///////////////////////////////
27// StackBase 27// StackBase
28 28
29void StackBase::push(Command *c) 29void StackBase::push(Command *c)
30{ 30{
31 mCommandStack.push(c); 31 mCommandStack.push(c);
32 emit changed(); 32 emit changed();
33} 33}
34 34
35bool StackBase::isEmpty() 35bool StackBase::isEmpty()
36{ 36{
37 return mCommandStack.isEmpty(); 37 return mCommandStack.isEmpty();
38} 38}
39 39
40Command *StackBase::top() 40Command *StackBase::top()
41{ 41{
42 return mCommandStack.top(); 42 return mCommandStack.top();
43} 43}
44 44
45void StackBase::clear() 45void StackBase::clear()
46{ 46{
47 mCommandStack.clear(); 47 mCommandStack.clear();
48 emit changed(); 48 emit changed();
49} 49}
50 50
51Command *StackBase::pop() 51Command *StackBase::pop()
52{ 52{
53 Command *c = mCommandStack.pop(); 53 Command *c = mCommandStack.pop();
54 if (c) 54 if (c)
55 emit changed(); 55 emit changed();
56 56
57 return c; 57 return c;
58} 58}
59 59
60/////////////////////////////// 60///////////////////////////////
61// UndoStack 61// UndoStack
62 62
63UndoStack* UndoStack::instance_ = 0; 63UndoStack* UndoStack::instance_ = 0;
64 64
65UndoStack::UndoStack() 65UndoStack::UndoStack()
66 : StackBase() 66 : StackBase()
67{ 67{
68 // setAutoDelete( true ); 68 // setAutoDelete( true );
69} 69}
70 70
71UndoStack* UndoStack::instance() 71UndoStack* UndoStack::instance()
72{ 72{
73 if (!instance_) 73 if (!instance_)
74 instance_ = new UndoStack(); 74 instance_ = new UndoStack();
75 return instance_; 75 return instance_;
76} 76}
77 77
78void UndoStack::undo() 78void UndoStack::undo()
79{ 79{
80 if (isEmpty()) 80 if (isEmpty())
81 return; 81 return;
82 82
83 Command *command = pop(); 83 Command *command = pop();
84 command->undo(); 84 command->undo();
85 85
86 RedoStack::instance()->push( command ); 86 RedoStack::instance()->push( command );
87} 87}
88 88
89//////////////////// 89////////////////////
90// RedoStack 90// RedoStack
91 91
92RedoStack* RedoStack::instance_ = 0; 92RedoStack* RedoStack::instance_ = 0;
93 93
94RedoStack::RedoStack() 94RedoStack::RedoStack()
95{ 95{
96 mCommandStack.setAutoDelete( true ); 96 mCommandStack.setAutoDelete( true );
97} 97}
98 98
99RedoStack* RedoStack::instance() 99RedoStack* RedoStack::instance()
100{ 100{
101 if (!instance_) 101 if (!instance_)
102 instance_ = new RedoStack(); 102 instance_ = new RedoStack();
103 return instance_; 103 return instance_;
104} 104}
105 105
106void RedoStack::redo() 106void RedoStack::redo()
107{ 107{
108 Command *command; 108 Command *command;
109 if (isEmpty()) 109 if (isEmpty())
110 return; 110 return;
111 111
112 command = pop(); 112 command = pop();
113 command->redo(); 113 command->redo();
114 UndoStack::instance()->push( command ); 114 UndoStack::instance()->push( command );
115} 115}
116 116
117#ifndef KAB_EMBEDDED 117#ifndef KAB_EMBEDDED_
118#include "undo.moc" 118#include "moc_undo.cpp"
119#endif //KAB_EMBEDDED 119#endif //KAB_EMBEDDED