rbutil/rbutilqt/preview.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <QtGui>
  21
  22 #include "preview.h"
  23
  24 PreviewDlg::PreviewDlg(QWidget *parent) : QDialog(parent)
  25 {
  26     ui.setupUi(this);
  27     this->setModal(true);
  28     this->setMouseTracking(true);
  29     this->setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);
  30
  31 }
  32
  33 void PreviewDlg::setText(QString text)
  34 {
  35     ui.themePreview->setText(text);
  36 }
  37
  38 void PreviewDlg::setPixmap(QPixmap p)
  39 {
  40    ui.themePreview->setFixedSize(p.size());
  41    this->resize(QSize(10,10));
  42    ui.themePreview->setPixmap(p);
  43 }
  44
  45 void PreviewDlg::mouseMoveEvent(QMouseEvent * event)
  46 {
  47     this->close();
  48 }
  49
  50 void PreviewDlg::leaveEvent(QEvent * event)
  51 {
  52     this->close();
  53 }
  54
  55 PreviewLabel::PreviewLabel(QWidget * parent, Qt::WindowFlags f)
  56             :QLabel(parent,f)
  57 {
  58     this->setMouseTracking(true);
  59
  60     preview = new PreviewDlg(parent);
  61
  62     hovertimer.setInterval(1500);  // wait for 1.5 seconds before showing the Fullsize Preview
  63     hovertimer.setSingleShot(true);
  64     connect(&hovertimer,SIGNAL(timeout ()),this,SLOT(timeout()));
  65 }
  66
  67 void PreviewLabel::mouseMoveEvent(QMouseEvent * event)
  68 {
  69     hovertimer.start();
  70     mousex = event->globalX();
  71     mousey = event->globalY();
  72 }
  73 void PreviewLabel::enterEvent(QEvent * event)
  74 {
  75     hovertimer.start();
  76 }
  77 void PreviewLabel::leaveEvent(QEvent * event)
  78 {
  79     hovertimer.stop();
  80 }
  81
  82 void PreviewLabel::timeout()
  83 {
  84     preview->move(mousex-(preview->width()/2) ,mousey-(preview->height()/2));
  85     preview->setVisible(true);
  86 }
  87
  88 void PreviewLabel::setPixmap(QPixmap p)
  89 {
  90     // set the image for the Fullsize Preview
  91     preview->setPixmap(p);
  92
  93     //scale the image for use in the label
  94     QSize img;
  95     img.setHeight(this->height());
  96     img.setWidth(this->width());
  97     QPixmap q;
  98     q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
  99     this->setScaledContents(false);
 100     QLabel::setPixmap(q);
 101 }
 102
 103 void PreviewLabel::setText(QString text)
 104 {
 105     QLabel::setText(text);
 106     preview->setText(text);
 107 }
 108