QtCollider/widgets/QcPenPrinter.h

   1 /************************************************************************
   2 *
   3 * Copyright 2011 Jonatan Liljedahl <lijon@kymatica.com>
   4 *
   5 * This file is part of SuperCollider Qt GUI.
   6 *
   7 * This program is free software: you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License as published by
   9 * the Free Software Foundation, either version 3 of the License, or
  10 * (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 *
  20 ************************************************************************/
  21
  22 #ifndef QC_PEN_PRINTER_H
  23 #define QC_PEN_PRINTER_H
  24
  25 #include "../painting.h"
  26 #include "../debug.h"
  27 #include <QPrintDialog>
  28 #include <QPrinter>
  29 #include <QPainter>
  30
  31 class QcPenPrinter : public QObject
  32 {
  33   Q_OBJECT
  34   Q_PROPERTY( QRect pageRect READ pageRect );
  35   Q_PROPERTY( QRect paperRect READ paperRect );
  36   Q_PROPERTY( int fromPage READ fromPage );
  37   Q_PROPERTY( int toPage READ toPage );
  38
  39 public:
  40
  41   QcPenPrinter(): dialog(0) {}
  42
  43   ~QcPenPrinter() {
  44       delete dialog;
  45   }
  46
  47   QRect pageRect() const { return printer.pageRect(); }
  48   QRect paperRect() const { return printer.paperRect(); }
  49   int fromPage() const { return printer.fromPage(); }
  50   int toPage() const { return printer.toPage(); }
  51
  52 Q_SIGNALS:
  53
  54   void dialogDone(int);
  55   void printFunc();
  56
  57 private Q_SLOTS:
  58
  59   void show() {
  60     if( !dialog ) {
  61       dialog = new QPrintDialog(&printer);
  62       dialog->setWindowTitle( QString("Print Document") );
  63       dialog->setOptions (
  64         QAbstractPrintDialog::PrintToFile |
  65         QAbstractPrintDialog::PrintPageRange |
  66         QAbstractPrintDialog::PrintShowPageSize
  67       );
  68       connect( dialog, SIGNAL(finished(int)), this, SIGNAL(dialogDone(int)) );
  69     }
  70     if( dialog->isVisible() )
  71       qcWarningMsg("WARNING: Print dialog already open.");
  72     else
  73       dialog->exec();
  74   }
  75
  76   void print() {
  77     QPainter painter;
  78     painter.begin(&printer);
  79     QtCollider::beginPainting(&painter);
  80     Q_EMIT ( printFunc() );
  81     painter.end();
  82     QtCollider::endPainting();
  83   }
  84
  85   void newPage() {
  86     printer.newPage();
  87   }
  88
  89 private:
  90
  91   QPrinter printer;
  92   QPrintDialog *dialog;
  93 };
  94
  95 #endif // QC_PEN_PRINTER_H