Engauge Digitizer  2
CmdMoveBy.h
1 /******************************************************************************************************
2  * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
3  * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
4  * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
5  ******************************************************************************************************/
6 
7 #ifndef CMD_MOVE_BY_H
8 #define CMD_MOVE_BY_H
9 
10 #include "CmdPointChangeBase.h"
11 #include "PointIdentifiers.h"
12 #include <QPointF>
13 #include <QStringList>
14 
15 class QXmlStreamReader;
16 
19 {
20 public:
24  const QPointF &deltaScreen,
25  const QString &moveText,
26  const QStringList &selectedPointIdentifiers);
27 
29  CmdMoveBy(MainWindow &mainWindow,
30  Document &document,
31  const QString &cmdDescription,
32  QXmlStreamReader &reader);
33 
34  virtual ~CmdMoveBy();
35 
36  virtual void cmdRedo ();
37  virtual void cmdUndo ();
38  virtual void saveXml (QXmlStreamWriter &writer) const;
39 
40 private:
41  CmdMoveBy();
42 
43  void moveBy (const QPointF &deltaScreen);
44 
45  QPointF m_deltaScreen;
46  PointIdentifiers m_movedPoints;
47 };
48 
49 #endif // CMD_MOVE_BY_H
Hash table class that tracks point identifiers as the key, with a corresponding boolean value...
virtual void cmdUndo()
Undo method that is called when QUndoStack is moved one command backward.
Definition: CmdMoveBy.cpp:91
Command for moving all selected Points by a specified translation.
Definition: CmdMoveBy.h:18
virtual void cmdRedo()
Redo method that is called when QUndoStack is moved one command forward.
Definition: CmdMoveBy.cpp:77
Base class for CmdBase leaf subclasses that involve point additions, deletions and/or modifications...
MainWindow & mainWindow()
Return the MainWindow so it can be updated by this command as a last step.
Definition: CmdAbstract.cpp:45
virtual void saveXml(QXmlStreamWriter &writer) const
Save commands as xml for later uploading.
Definition: CmdMoveBy.cpp:146
Storage of one imported image and the data attached to that image.
Definition: Document.h:41
Document & document()
Return the Document that this command will modify during redo and undo.
Definition: CmdAbstract.cpp:35
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition: MainWindow.h:89