Engauge Digitizer
2
Cmd
CmdStackShadow.h
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/******************************************************************************************************
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* (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
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* under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
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* LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
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******************************************************************************************************/
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#ifndef CMD_STACK_SHADOW_H
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#define CMD_STACK_SHADOW_H
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#include <QList>
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#include <QObject>
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class
CmdAbstract
;
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class
Document
;
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class
MainWindow
;
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class
QXmlStreamReader;
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typedef
QList<CmdAbstract*> CmdListInternal;
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class
CmdStackShadow
:
public
QObject
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{
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Q_OBJECT;
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public
:
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CmdStackShadow
();
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bool
canRedo
()
const
;
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void
loadCommands
(
MainWindow
&mainWindow,
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Document
&document,
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QXmlStreamReader &reader);
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public
slots:
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void
slotRedo
();
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void
slotUndo
();
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signals:
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void
signalRedo
();
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void
signalUndo
();
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private
:
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MainWindow
*m_mainWindow;
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CmdListInternal m_cmdList;
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};
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#endif // CMDSTACKSHADOW_H
CmdStackShadow::canRedo
bool canRedo() const
Return true if there is a command available.
Definition:
CmdStackShadow.cpp:27
CmdStackShadow::signalRedo
void signalRedo()
Signal used to emulate a shift-control-z redo command from user during testing.
CmdAbstract
Wrapper around QUndoCommand. This simplifies the more complicated feature set of QUndoCommand.
Definition:
CmdAbstract.h:19
CmdStackShadow::slotRedo
void slotRedo()
Move next command from list to CmdMediator. Noop if there are no more commands.
Definition:
CmdStackShadow.cpp:64
CmdStackShadow::CmdStackShadow
CmdStackShadow()
Single constructor.
Definition:
CmdStackShadow.cpp:21
CmdStackShadow::slotUndo
void slotUndo()
Throw away every command since trying to reconcile two different command stacks after an undo is too ...
Definition:
CmdStackShadow.cpp:103
Document
Storage of one imported image and the data attached to that image.
Definition:
Document.h:41
CmdStackShadow::signalUndo
void signalUndo()
Signal used to emulate a shift-z undo command from user during testing.
CmdStackShadow
Command stack that shadows the CmdMediator command stack at startup when reading commands from an err...
Definition:
CmdStackShadow.h:30
CmdStackShadow::loadCommands
void loadCommands(MainWindow &mainWindow, Document &document, QXmlStreamReader &reader)
Load commands from serialized xml.
Definition:
CmdStackShadow.cpp:36
MainWindow
Main window consisting of menu, graphics scene, status bar and optional toolbars as a Single Document...
Definition:
MainWindow.h:89
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