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newspark110/ui/qg_blockwidget.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

139 lines
3.8 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2011 Rallaz (rallazz@gmail.com)
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
**
**
** This file 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 2 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef QG_BLOCKWIDGET_H
#define QG_BLOCKWIDGET_H
#include <QWidget>
#include <QIcon>
#include <QAbstractTableModel>
#include <QItemSelection>
#include "rs_blocklistlistener.h"
class QG_ActionHandler;
class QTableView;
class QLineEdit;
/**
* Implementation of a model to use in QG_BlockWidget
*/
class QG_BlockModel: public QAbstractTableModel {
public:
enum {
VISIBLE,
NAME,
LAST
};
QG_BlockModel(QObject * parent = 0);
~QG_BlockModel() = default;
Qt::ItemFlags flags ( const QModelIndex & /*index*/ ) const {
return Qt::ItemIsSelectable|Qt::ItemIsEnabled;}
int columnCount(const QModelIndex &/*parent*/) const {return LAST;}
int rowCount ( const QModelIndex & parent = QModelIndex() ) const;
QVariant data ( const QModelIndex & index, int role = Qt::DisplayRole ) const;
QModelIndex parent ( const QModelIndex & index ) const;
QModelIndex index ( int row, int column, const QModelIndex & parent = QModelIndex() ) const;
void setBlockList(RS_BlockList* bl);
RS_Block *getBlock( int row );
QModelIndex getIndex (RS_Block * blk);
RS_Block* getActiveBlock() { return activeBlock; };
void setActiveBlock(RS_Block* b) { activeBlock = b; };
private:
QList<RS_Block*> listBlock;
QIcon blockVisible;
QIcon blockHidden;
RS_Block* activeBlock {nullptr};
};
/**
* This is the Qt implementation of a widget which can view a
* block list.
*/
class QG_BlockWidget: public QWidget, public RS_BlockListListener {
Q_OBJECT
public:
QG_BlockWidget(QG_ActionHandler* ah, QWidget* parent,
const char* name=0, Qt::WindowFlags f = 0);
~QG_BlockWidget();
void setBlockList(RS_BlockList* blockList) {
this->blockList = blockList;
update();
}
RS_BlockList* getBlockList() {
return blockList;
}
void update();
void activateBlock(RS_Block* block);
virtual void blockAdded(RS_Block*);
virtual void blockEdited(RS_Block*) {
update();
}
virtual void blockRemoved(RS_Block*) {
update();
}
virtual void blockToggled(RS_Block*) {
update();
}
signals:
void escape();
public slots:
void slotActivated(QModelIndex blockIdx);
void slotSelectionChanged(
const QItemSelection &selected,
const QItemSelection &deselected);
void slotUpdateBlockList();
protected:
void contextMenuEvent(QContextMenuEvent *e);
virtual void keyPressEvent(QKeyEvent* e);
private:
RS_BlockList* blockList;
QLineEdit* matchBlockName;
QTableView* blockView;
QG_BlockModel *blockModel;
RS_Block* lastBlock;
QG_ActionHandler* actionHandler;
void restoreSelections();
};
#endif