An undo/redo stack for map operations with a configurable maximum depth. More...

#include <mapundostack.h>

Inheritance diagram for MapUndoStack:

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Signals
void	maxUndoCountChanged (int count)

Public Member Functions
	MapUndoStack (QObject *parent=nullptr)

int	maxUndoCount () const
	Returns the maximum number of undoable steps stored (0 = unlimited).

void	setMaxUndoCount (int count)
	Sets the maximum number of stored undo operations.

void	loadSettings ()
	Convenience: loads the undo limit from QSettings (key "MapCanvas/undoLimit").

void	saveSettings () const
	Saves the current undo limit to QSettings.

Properties
int	maxUndoCount

Detailed Description

An undo/redo stack for map operations with a configurable maximum depth.

Extends QUndoStack to expose the undo limit as a Q_PROPERTY so it can be configured in the application settings and bound to UI controls.

The default limit is 50 operations. Set to 0 for unlimited.

Usage:

MapUndoStack *stack = new MapUndoStack(this);
stack->setMaxUndoCount(100);
stack->push(new PanCommand(oldExtent, newExtent, canvas));
stack->undo();

Constructor & Destructor Documentation

◆ MapUndoStack()

MapUndoStack::MapUndoStack ( QObject * parent = nullptr )

explicit

Member Function Documentation

◆ loadSettings()

void MapUndoStack::loadSettings ( )

Convenience: loads the undo limit from QSettings (key "MapCanvas/undoLimit").

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◆ maxUndoCount()

int MapUndoStack::maxUndoCount ( ) const

Returns the maximum number of undoable steps stored (0 = unlimited).

◆ maxUndoCountChanged

void MapUndoStack::maxUndoCountChanged ( int count )

signal

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◆ saveSettings()

void MapUndoStack::saveSettings ( ) const

Saves the current undo limit to QSettings.

◆ setMaxUndoCount()

void MapUndoStack::setMaxUndoCount ( int count )

Sets the maximum number of stored undo operations.

If the current stack depth exceeds the new limit, oldest commands are silently discarded.

Parameters

count Maximum depth; 0 means unlimited.

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Property Documentation

◆ maxUndoCount

int MapUndoStack::maxUndoCount

readwrite

The documentation for this class was generated from the following files:

/home/runner/work/openswmm.gui/openswmm.gui/include/map/mapundostack.h
/home/runner/work/openswmm.gui/openswmm.gui/src/map/mapundostack.cpp

Signals

Public Member Functions

Properties