CadMdiChild Class Reference

#include <cadmdichild.h>

Inheritance diagram for CadMdiChild:

Collaboration diagram for CadMdiChild:

Public Slots
void	ctxMenu (const QPoint &pos)

Signals
void	keyPressed (QKeyEvent *event)

Public Member Functions
	CadMdiChild (QWidget *parent=0)
	~CadMdiChild ()
void	newDocument ()
	Create a new document. More...
bool	openFile ()
	Load existing file. More...
void	setDestroyCallback (LuaIntf::LuaRef callback)
	Give function to call when window is destroyed. More...
void	keyPressEvent (QKeyEvent *event)
QWidget *	view () const
std::shared_ptr< lc::Document >	document () const
lc::UndoManager_SPtr	undoManager () const
LCViewer::SnapManager_SPtr	snapManager () const
lc::StorageManager_SPtr	storageManager () const
LCViewer::LCADViewer *	viewer () const
std::shared_ptr< LCViewer::Cursor >	cursor () const
lc::Layer_CSPtr	activeLayer () const
	Get the selected layer. More...
void	setActiveLayer (const lc::Layer_CSPtr &activeLayer)
lc::ui::MetaInfoManager_SPtr	metaInfoManager () const
	Get the MetaInfo manager. More...
LCViewer::TempEntities_SPtr	tempEntities ()
	Get container of temporary entities. More...
std::vector < lc::entity::CADEntity_CSPtr >	selection ()
	Get selected entities. More...
void	saveFile ()
unsigned int	id ()
	Get window ID. More...
void	setId (unsigned int id)
	Set window ID. More...
const LCViewer::SnapManagerImpl_SPtr &	getSnapManager () const

Private Attributes
unsigned int	_id
LuaIntf::LuaRef	_destroyCallback
std::shared_ptr< lc::Document >	_document
lc::UndoManagerImpl_SPtr	_undoManager
std::shared_ptr< LCViewer::Grid >	_grid
std::shared_ptr < LCViewer::GradientBackground >	_gradientBackground
std::shared_ptr< LCViewer::Cursor >	_cursor
LCViewer::SnapManagerImpl_SPtr	_snapManager
LCViewer::DragManager_SPtr	_dragManager
LCViewer::DragPoints_SPtr	_dragPoints
lc::StorageManager_SPtr	_storageManager
LCViewer::TempEntities_SPtr	_tempEntities
lc::Layer_CSPtr	_activeLayer
lc::ui::MetaInfoManager_SPtr	_metaInfoManager
QScrollBar *	horizontalScrollBar
QScrollBar *	verticalScrollBar
LCViewer::LCADViewer *	_viewer

Detailed Description

Definition at line 34 of file cadmdichild.h.

Constructor & Destructor Documentation

CadMdiChild::CadMdiChild ( QWidget *  parent = 0 )

explicit

Definition at line 17 of file cadmdichild.cpp.

                                        :
    QWidget(parent),
    _activeLayer(nullptr) {

    if (this->objectName().isEmpty()) {
        this->setObjectName(QStringLiteral("CadMdiChild"));
    }

    this->resize(1078, 736);

    QGridLayout* gridLayout = new QGridLayout(this);
    gridLayout->setHorizontalSpacing(0);
    gridLayout->setVerticalSpacing(0);
    gridLayout->setObjectName(QStringLiteral("gridLayout"));
    gridLayout->setContentsMargins(0, 0, 0, 0);
    horizontalScrollBar = new QScrollBar(this);
    horizontalScrollBar->setObjectName(QStringLiteral("horizontalScrollBar"));
    horizontalScrollBar->setOrientation(Qt::Horizontal);

    gridLayout->addWidget(horizontalScrollBar, 1, 0, 1, 1);

    verticalScrollBar = new QScrollBar(this);
    verticalScrollBar->setObjectName(QStringLiteral("verticalScrollBar"));
    verticalScrollBar->setOrientation(Qt::Vertical);

    gridLayout->addWidget(verticalScrollBar, 0, 1, 1, 1);

    _viewer = new LCADViewer(this);
    _viewer->setObjectName(QStringLiteral("viewer"));
    _viewer->setGeometry(QRect(50, 30, 581, 401));
    _viewer->setAutoFillBackground(true);
    _viewer->setContextMenuPolicy(Qt::CustomContextMenu);
    _viewer->setFocusPolicy(Qt::StrongFocus);
    connect(_viewer, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(ctxMenu(const QPoint&)));

    gridLayout->addWidget(_viewer, 0, 0, 1, 1);

    horizontalScrollBar->setMinimum(-1000);
    horizontalScrollBar->setMaximum(1000);
    verticalScrollBar->setMinimum(-1000);
    verticalScrollBar->setMaximum(1000);

    _metaInfoManager = std::make_shared<lc::ui::MetaInfoManager>();

    connect(horizontalScrollBar, SIGNAL(valueChanged(int)),
            _viewer, SLOT(setHorizontalOffset(int)));
    connect(verticalScrollBar, SIGNAL(valueChanged(int)),
            _viewer, SLOT(setVerticalOffset(int)));
}

CadMdiChild::~CadMdiChild

(

)

Definition at line 67 of file cadmdichild.cpp.

                          {
        if(_destroyCallback) {
                _destroyCallback(_id);
        }
}

Member Function Documentation

lc::Layer_CSPtr CadMdiChild::activeLayer

(

)

const

Get the selected layer.

Returns

Selected layer

Definition at line 229 of file cadmdichild.cpp.

                                             {
    return _activeLayer;
}

void CadMdiChild::ctxMenu ( const QPoint &  pos )

slot

Definition at line 180 of file cadmdichild.cpp.

                                           {
    QMenu* menu = new QMenu;
    menu->addAction(tr("Test Item"), this, SLOT(test_slot()));
    menu->exec(_viewer->mapToGlobal(pos));
}

std::shared_ptr< LCViewer::Cursor > CadMdiChild::cursor

(

)

const

Definition at line 201 of file cadmdichild.cpp.

                                                        {
        return _cursor;
}

std::shared_ptr< lc::Document > CadMdiChild::document

(

)

const

Definition at line 190 of file cadmdichild.cpp.

                                                      {
    return _document;
}

const SnapManagerImpl_SPtr & CadMdiChild::getSnapManager

(

)

const

Definition at line 241 of file cadmdichild.cpp.

                                                              {
    return _snapManager;
}

unsigned int CadMdiChild::id

(

)

Get window ID.

Returns

Window ID This is used by Lua to distinguish the different windows.

Definition at line 205 of file cadmdichild.cpp.

                             {
        return _id;
}

void CadMdiChild::keyPressed ( QKeyEvent *  event )

signal

void CadMdiChild::keyPressEvent

(

QKeyEvent *

event

)

Definition at line 216 of file cadmdichild.cpp.

                                                {
    QWidget::keyPressEvent(event);
    emit keyPressed(event);
}

lc::ui::MetaInfoManager_SPtr CadMdiChild::metaInfoManager

(

)

const

Get the MetaInfo manager.

Returns

MetaInfoManager

Definition at line 237 of file cadmdichild.cpp.

                                                            {
    return _metaInfoManager;
}

void CadMdiChild::newDocument

(

)

Create a new document.

Definition at line 74 of file cadmdichild.cpp.

                              {
    // Entity manager add's/removes entities to layers
    _storageManager = std::make_shared<lc::StorageManagerImpl>();

    // Create a new document with required objects, all objects that are required needs to be passed into the constructor
    _document = std::make_shared<lc::DocumentImpl>(_storageManager);

    // Add the document to a LibreCAD Viewer system so we can visualize the document
    _viewer->setDocument(_document);

    _gradientBackground = std::make_shared<GradientBackground>(lc::Color(0x07, 0x15, 0x11), lc::Color(0x06, 0x35, 0x06));
    _viewer->documentCanvas()->background().connect<GradientBackground, &GradientBackground::draw>(_gradientBackground.get());
    _grid = std::make_shared<Grid>(20, lc::Color(0x40, 0x48, 0x40), lc::Color(0x80, 0x90, 0x80));
    _viewer->documentCanvas()->background().connect<Grid, &Grid::draw>(_grid.get());

    // Snap manager
    _snapManager = std::make_shared<SnapManagerImpl>(_viewer->documentCanvas(),  _grid, 25.);
    _viewer->setSnapManager(_snapManager);

    // Add a cursor manager, Cursor will decide the ultimate position of clicked objects
    _cursor = std::make_shared<LCViewer::Cursor>(40, _viewer->documentCanvas(), lc::Color(0xff, 0x00, 0x00), lc::Color(0x00, 0xff, 0x00));
    _viewer->documentCanvas()->foreground().connect<LCViewer::Cursor, &LCViewer::Cursor::onDraw>(_cursor.get());
    _snapManager->snapPointEvents().connect<LCViewer::Cursor, &LCViewer::Cursor::onSnapPointEvent>(_cursor.get());

    _tempEntities = std::make_shared<TempEntities>(_viewer->documentCanvas());
    _viewer->documentCanvas()->foreground().connect<LCViewer::TempEntities, &LCViewer::TempEntities::onDraw>(_tempEntities.get());

    //Drag manager
    _dragManager = std::make_shared<DragManager>(_viewer->documentCanvas(), _cursor, _tempEntities, 10);
    _viewer->setDragManager(_dragManager);

    _dragPoints = std::make_shared<LCViewer::DragPoints>();
    _dragManager->dragPointsEvent().connect<LCViewer::DragPoints, &LCViewer::DragPoints::setPoints>(_dragPoints.get());
    _viewer->documentCanvas()->foreground().connect<LCViewer::DragPoints, &LCViewer::DragPoints::onDraw>(_dragPoints.get());

    // Undo manager takes care that we can undo/redo entities within a document
    _undoManager = std::make_shared<lc::UndoManagerImpl>(10);
    _document->commitProcessEvent().connect<lc::UndoManagerImpl, &lc::UndoManagerImpl::on_CommitProcessEvent>(_undoManager.get());

    _activeLayer = _document->layerByName("0");
}

bool CadMdiChild::openFile

(

)

Load existing file.

Parameters

path	Path to file

Returns

bool True if the file was correctly opened, false otherwise.

Definition at line 117 of file cadmdichild.cpp.

                           {
    auto file = QFileDialog::getOpenFileName();

    if(file == "") {
        return false;
    }

    auto fileInfo = QFileInfo(file);

    auto ext = fileInfo.suffix().toStdString();
    auto availableLibraries = lc::File::getAvailableLibrariesForFormat(ext);

    if(availableLibraries.size() > 0) {
        //TODO: if more than once, ask which one to choose
        newDocument();
        lc::File::open(_document, file.toStdString(), availableLibraries.begin()->first);
    }
    else {
        QMessageBox::critical(nullptr, "Open error", "Unknown file extension ." + fileInfo.suffix());
        return false;
    }

    return true;
}

void CadMdiChild::saveFile

(

)

Definition at line 143 of file cadmdichild.cpp.

                           {
    QString filterList;
    QString selectedFilter;
    lc::File::Type type;
    auto availableTypes = lc::File::getAvailableFileTypes();

    if(availableTypes.size() == 0) {
        QMessageBox::critical(nullptr, "Save error", "No library available for file saving.");
        return;
    }

    auto it = availableTypes.begin();
    type = it->first;
    filterList = it->second.c_str();
    it++;

    while(it != availableTypes.end()) {
        filterList += ";;";
        filterList += it->second.c_str();

        it++;
    }

    auto file = QFileDialog::getSaveFileName(nullptr, "Save file", "", filterList, &selectedFilter);

    auto selectedType = selectedFilter.toStdString();

    for(auto availableType : availableTypes) {
        if(selectedType == availableType.second) {
            type = availableType.first;
            break;
        }
    }

    lc::File::save(_document, file.toStdString(), type);
}

std::vector< lc::entity::CADEntity_CSPtr > CadMdiChild::selection

(

)

Get selected entities.

Returns

Selected entities Return a vector of selected entities. This function was added for Lua which can't access EntityContainer functions

Definition at line 225 of file cadmdichild.cpp.

                                                          {
    return viewer()->documentCanvas()->selectedEntities().asVector();
}

void CadMdiChild::setActiveLayer

(

const lc::Layer_CSPtr &

activeLayer

)

Definition at line 233 of file cadmdichild.cpp.

                                                                 {
    _activeLayer = activeLayer;
}

void CadMdiChild::setDestroyCallback

(

LuaIntf::LuaRef

callback

)

Give function to call when window is destroyed.

Parameters

callback

Lua function

Definition at line 212 of file cadmdichild.cpp.

                                                                  {
        _destroyCallback = destroyCallback;
}

void CadMdiChild::setId

(

unsigned int

id

)

Set window ID.

Parameters

id	Window ID This is used by Lua to distinguish the different windows. This function should not be used.

Definition at line 208 of file cadmdichild.cpp.

                                       {
        _id = id;
}

SnapManager_SPtr CadMdiChild::snapManager

(

)

const

Definition at line 186 of file cadmdichild.cpp.

                                                 {
    return  _snapManager;
}

lc::StorageManager_SPtr CadMdiChild::storageManager

(

)

const

Definition at line 194 of file cadmdichild.cpp.

                                                        {
    return _storageManager;
}

LCViewer::TempEntities_SPtr CadMdiChild::tempEntities

(

)

Get container of temporary entities.

Returns

Temporary entities container

Definition at line 221 of file cadmdichild.cpp.

                                                    {
    return _tempEntities;
}

lc::UndoManager_SPtr CadMdiChild::undoManager

(

)

const

Definition at line 197 of file cadmdichild.cpp.

                                                  {
    return _undoManager;
}

QWidget* CadMdiChild::view

(

)

const

LCViewer::LCADViewer* CadMdiChild::viewer ( ) const

inline

Definition at line 73 of file cadmdichild.h.

{return _viewer;}

Member Data Documentation

lc::Layer_CSPtr CadMdiChild::_activeLayer

private

Definition at line 140 of file cadmdichild.h.

std::shared_ptr<LCViewer::Cursor> CadMdiChild::_cursor

private

Definition at line 132 of file cadmdichild.h.

LuaIntf::LuaRef CadMdiChild::_destroyCallback

private

Definition at line 125 of file cadmdichild.h.

std::shared_ptr<lc::Document> CadMdiChild::_document

private

Definition at line 127 of file cadmdichild.h.

LCViewer::DragManager_SPtr CadMdiChild::_dragManager

private

Definition at line 135 of file cadmdichild.h.

LCViewer::DragPoints_SPtr CadMdiChild::_dragPoints

private

Definition at line 136 of file cadmdichild.h.

std::shared_ptr<LCViewer::GradientBackground> CadMdiChild::_gradientBackground

private

Definition at line 131 of file cadmdichild.h.

std::shared_ptr<LCViewer::Grid> CadMdiChild::_grid

private

Definition at line 130 of file cadmdichild.h.

unsigned int CadMdiChild::_id

private

Definition at line 123 of file cadmdichild.h.

lc::ui::MetaInfoManager_SPtr CadMdiChild::_metaInfoManager

private

Definition at line 141 of file cadmdichild.h.

LCViewer::SnapManagerImpl_SPtr CadMdiChild::_snapManager

private

Definition at line 133 of file cadmdichild.h.

lc::StorageManager_SPtr CadMdiChild::_storageManager

private

Definition at line 137 of file cadmdichild.h.

LCViewer::TempEntities_SPtr CadMdiChild::_tempEntities

private

Definition at line 138 of file cadmdichild.h.

lc::UndoManagerImpl_SPtr CadMdiChild::_undoManager

private

Definition at line 128 of file cadmdichild.h.

LCViewer::LCADViewer* CadMdiChild::_viewer

private

Definition at line 146 of file cadmdichild.h.

QScrollBar* CadMdiChild::horizontalScrollBar

private

Definition at line 143 of file cadmdichild.h.

QScrollBar* CadMdiChild::verticalScrollBar

private

Definition at line 144 of file cadmdichild.h.

---

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

• lcUI/cadmdichild.h
• lcUI/cadmdichild.cpp