QtCollider/widgets/BasicWidgets.cpp

   1 /************************************************************************
   2 *
   3 * Copyright 2010 Jakob Leben (jakob.leben@gmail.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 #include "BasicWidgets.h"
  23 #include "../QcWidgetFactory.h"
  24
  25 #include <QPaintEvent>
  26 #include <QPainter>
  27
  28 QC_DECLARE_QWIDGET_FACTORY( QcDefaultWidget );
  29 QC_DECLARE_QWIDGET_FACTORY( QcHLayoutWidget );
  30 QC_DECLARE_QWIDGET_FACTORY( QcVLayoutWidget );
  31
  32 void QcSimpleWidget::setBackground( const QColor &c )
  33 {
  34   if(_bkg == c) return;
  35
  36   _bkg = c;
  37   setAttribute(Qt::WA_OpaquePaintEvent, c.isValid() && c.alpha() == 255);
  38   update();
  39 }
  40
  41 void QcSimpleWidget::paintEvent( QPaintEvent *e )
  42 {
  43   if (!_bkg.isValid()) return;
  44
  45   QPainter p(this);
  46   p.fillRect(e->rect(), _bkg);
  47 }
  48
  49 class QcCustomPaintedFactory : public QcWidgetFactory<QcCustomPainted>
  50 {
  51 protected:
  52   virtual void initialize( QWidgetProxy *p, QcCustomPainted *w )
  53   {
  54     QObject::connect( w, SIGNAL(painting(QPainter*)),
  55                       p, SLOT(customPaint(QPainter*)) );
  56   }
  57 };
  58
  59 QC_DECLARE_FACTORY( QcCustomPainted, QcCustomPaintedFactory );