rbutil/rbutilqt/preview.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Wenger
  10  *
  11  * All files in this archive are subject to the GNU General Public License.
  12  * See the file COPYING in the source tree root for full license agreement.
  13  *
  14  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  15  * KIND, either express or implied.
  16  *
  17  ****************************************************************************/
  18
  19 #include <QDialog>
  20 #include <QMouseEvent>
  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     (void) event;
  48     this->close();
  49 }
  50
  51 void PreviewDlg::leaveEvent(QEvent * event)
  52 {
  53     (void) event;
  54     this->close();
  55 }
  56
  57
  58 void PreviewDlg::changeEvent(QEvent *e)
  59 {
  60     if(e->type() == QEvent::LanguageChange) {
  61         ui.retranslateUi(this);
  62     } else {
  63         QWidget::changeEvent(e);
  64     }
  65 }
  66
  67 PreviewLabel::PreviewLabel(QWidget * parent, Qt::WindowFlags f)
  68             :QLabel(parent,f)
  69 {
  70     this->setMouseTracking(true);
  71
  72     preview = new PreviewDlg(parent);
  73
  74     hovertimer.setInterval(1500);  // wait for 1.5 seconds before showing the Fullsize Preview
  75     hovertimer.setSingleShot(true);
  76     connect(&hovertimer,SIGNAL(timeout ()),this,SLOT(timeout()));
  77 }
  78
  79 void PreviewLabel::mouseMoveEvent(QMouseEvent * event)
  80 {
  81     hovertimer.start();
  82     mousex = event->globalX();
  83     mousey = event->globalY();
  84 }
  85 void PreviewLabel::enterEvent(QEvent * event)
  86 {
  87     (void) event;
  88     hovertimer.start();
  89 }
  90 void PreviewLabel::leaveEvent(QEvent * event)
  91 {
  92     (void) event;
  93     hovertimer.stop();
  94 }
  95
  96 void PreviewLabel::timeout()
  97 {
  98     preview->move(mousex-(preview->width()/2) ,mousey-(preview->height()/2));
  99     preview->setVisible(true);
 100 }
 101
 102 void PreviewLabel::setPixmap(QPixmap p)
 103 {
 104     // set the image for the Fullsize Preview
 105     preview->setPixmap(p);
 106
 107     //scale the image for use in the label
 108     QSize img;
 109     img.setHeight(this->height());
 110     img.setWidth(this->width());
 111     QPixmap q;
 112     q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 113     this->setScaledContents(false);
 114     QLabel::setPixmap(q);
 115 }
 116
 117 void PreviewLabel::setText(QString text)
 118 {
 119     QLabel::setText(text);
 120     preview->setText(text);
 121 }
 122