-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcommands.cpp
More file actions
157 lines (132 loc) · 4.36 KB
/
commands.cpp
File metadata and controls
157 lines (132 loc) · 4.36 KB
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*
* This file is part of the GreasePad distribution (https://github.com/FraunhoferIOSB/GreasePad).
* Copyright (c) 2022-2025 Jochen Meidow, Fraunhofer IOSB
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "commands.h"
#include "global.h"
#include "mainscene.h"
#include "state.h"
#include <QDebug>
#include <QGraphicsItem>
#include <QStringLiteral>
#include <QUndoCommand>
#include <memory>
#include <utility>
namespace Cmd {
GUI::MainScene * Cmd::Undo::s_scene = nullptr;
Undo::Undo( QUndoCommand *parent) : QUndoCommand(parent)
{
// qDebug() << Q_FUNC_INFO;
}
AddStroke::AddStroke( State *curr,
std::unique_ptr<State> &p,
std::unique_ptr<State> &n,
QUndoCommand *parent) : Undo(parent)
{
// qDebug() << Q_FUNC_INFO;
setText( QStringLiteral("add stroke") );
current_state_ = curr; // set pointer
prev_state_ = std::move(p);
next_state_ = std::move(n);
}
void AddStroke::redo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *next_state_; // copy content
scene()->removeAllItems();
scene()->addGraphicItems( next_state_.get() );
}
void AddStroke::undo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *prev_state_; // set
scene()->removeAllItems();
scene()->addGraphicItems( prev_state_.get() );
}
DeleteSelection::DeleteSelection( State *st,
std::unique_ptr<State> & p,
std::unique_ptr<State> & n,
QUndoCommand *parent) : Undo(parent)
{
setText( QStringLiteral("delete selected item%1")
.arg( scene()->selectedItems().size()==1 ? "" : "s") );
current_state_ = st; // pointer
prev_state_ = std::move(p);
next_state_ = std::move(n);
}
void DeleteSelection::redo()
{
*current_state_ = *next_state_;
scene()->removeAllItems();
scene()->addGraphicItems( next_state_.get() );
}
void DeleteSelection::undo()
{
*current_state_ = *prev_state_;
scene()->removeAllItems();
scene()->addGraphicItems( prev_state_.get() );
}
TabulaRasa::TabulaRasa( State *st, QUndoCommand *parent ) : Undo(parent)
{
// qDebug() << Q_FUNC_INFO ;
setText( QStringLiteral("clear all") );
current_state_ = st; // pointer
prev_state_ = std::make_unique<State>(*st); // copy
next_state_ = std::make_unique<State>();
//next_state_ = std::make_unique<State>(*st);
//next_state_->clearAll();
}
void TabulaRasa::redo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *next_state_;
scene()->removeAllItems();
}
void TabulaRasa::undo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *prev_state_;
scene()->addGraphicItems( prev_state_.get() );
}
ReplaceStateWithFileContent::ReplaceStateWithFileContent( const QString & fileName,
State *curr,
std::unique_ptr<State> & p,
std::unique_ptr<State> & n,
QUndoCommand *parent)
: Undo(parent)
{
// qDebug() << Q_FUNC_INFO;
setText( fileName );
current_state_ = curr; // pointer
//prev_state_ = std::make_unique<State>(*Old); // copy
prev_state_ = std::move(p); // copy
next_state_ = std::move(n);
}
void ReplaceStateWithFileContent::redo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *next_state_;
scene()->removeAllItems();
scene()->addGraphicItems( next_state_.get() );
}
void ReplaceStateWithFileContent::undo()
{
// qDebug() << Q_FUNC_INFO;
*current_state_ = *prev_state_;
scene()->removeAllItems();
scene()->addGraphicItems( prev_state_.get() );
}
} // namespace Cmd