File indexing completed on 2024-04-28 04:50:50

 /*
  * osdwidget.cpp
  *
  * Copyright (C) 2009-2011 Christoph Pfister <christophpfister@gmail.com>
  *
  * This program 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.
  */
 
 #include <QPainter>
 #include <QTimer>
 
 #include "osdwidget.h"
 
 OsdWidget::OsdWidget(QWidget *parent) : QWidget(parent), osdObject(NULL)
 {
     timer = new QTimer(this);
     connect(timer, SIGNAL(timeout()), this, SLOT(hideOsd()));
 
     hide();
 }
 
 OsdWidget::~OsdWidget()
 {
 }
 
 void OsdWidget::showText(const QString &text, int duration)
 {
     QFont osdFont = font();
     osdFont.setPointSize(25);
 
     rect = QRect(QPoint(0, 0), QFontMetrics(osdFont).size(Qt::AlignLeft, text));
     rect.adjust(0, 0, 10, 0);
 
     pixmap = QPixmap(rect.size());
 
     {
         QPainter painter(&pixmap);
         painter.fillRect(rect, Qt::black);
         painter.setFont(osdFont);
         painter.setPen(Qt::white);
         painter.drawText(rect.adjusted(5, 0, 0, 0), Qt::AlignLeft, text);
     }
 
     osdObject = NULL;
     update();
     show();
 
     timer->start(duration);
 }
 
 void OsdWidget::showObject(OsdObject *osdObject_, int duration)
 {
     osdObject = osdObject_;
     update();
     show();
 
     if (duration >= 0) {
         timer->start(duration);
     } else {
         timer->stop();
     }
 }
 
 void OsdWidget::hideObject()
 {
     if (osdObject != NULL) {
         osdObject = NULL;
         timer->stop();
         hide();
     }
 }
 
 void OsdWidget::paintEvent(QPaintEvent *)
 {
     if (osdObject == NULL) {
         if (layoutDirection() == Qt::LeftToRight) {
             QPainter(this).drawPixmap(20, 20, pixmap);
             rect.moveTo(20, 20);
         } else {
             int x = width() - pixmap.width() - 20;
             QPainter(this).drawPixmap(x, 20, pixmap);
             rect.moveTo(x, 20);
         }
     } else {
         rect = QWidget::rect();
         rect.adjust(0, 0, -40, -60);
         pixmap = osdObject->paintOsd(rect, font(), layoutDirection());
 
         int y = (4 * height()) / 5 - rect.height();
 
         if (y < 30) {
             y = 30;
         }
 
         rect.moveTo(20, y);
         QPainter(this).drawPixmap(rect.left(), rect.top(), pixmap);
     }
 
     setMask(rect);
 }
 
 void OsdWidget::hideOsd()
 {
     timer->stop();
     hide();
 }
 
 #include "moc_osdwidget.cpp"