git.maemo.org Git - fapman/blob - dimmer.cpp

   1 /*
   2         This file is part of Faster Application Manager.
   3
   4         Faster Application Manager is free software: you can redistribute it and/or modify
   5         it under the terms of the GNU General Public License as published by
   6         the Free Software Foundation, either version 3 of the License, or
   7         (at your option) any later version.
   8
   9         Faster Application Manager is distributed in the hope that it will be useful,
  10         but WITHOUT ANY WARRANTY; without even the implied warranty of
  11         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12         GNU General Public License for more details.
  13
  14         You should have received a copy of the GNU General Public License
  15         along with Faster Application Manager.  If not, see <http://www.gnu.org/licenses/>.
  16
  17         (C) Heikki Holstila 2010
  18 */
  19
  20 #include <QtGui>
  21 #include "dimmer.h"
  22
  23 dimmer::dimmer(QWidget *parent) :
  24     QWidget(parent)
  25 {
  26         iParent = parent;
  27
  28         iLayout = new QVBoxLayout(this);
  29         iLabel = new QLabel(this);
  30         iLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  31         iLabel->setAlignment(Qt::AlignCenter);
  32         iLayout->addWidget(iLabel);
  33         iLayout->setSizeConstraint(QLayout::SetMaximumSize);
  34
  35         iAlpha = 205;
  36         iBusy = false;
  37         iAnim = 0;
  38         iAnimDir = 1;
  39         iAnimY = this->rect().height()-this->rect().height()/4;
  40         iProgress = -1;
  41         iUpdateAnim = false;
  42         iDownloadSpeed = -1;
  43
  44
  45         iTimer = new QTimer(this);
  46         connect(iTimer,SIGNAL(timeout()),this,SLOT(timerEvent()));
  47
  48         connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged()));
  49
  50         hide();
  51 }
  52
  53 dimmer::~dimmer()
  54 {
  55         // iTimer and other widgets are automatically deleted by their parent
  56 }
  57
  58 void dimmer::paintEvent(QPaintEvent *)
  59 {
  60         QPainter painter(this);
  61         QColor dim("black");
  62         dim.setAlpha(iAlpha);
  63         painter.setPen(dim);
  64         painter.setBrush(dim);
  65         painter.drawRect(rect());
  66
  67         painter.setBrush( QApplication::palette().color(QPalette::Highlight) );
  68
  69         int step = 15;
  70         int animMax = 10;
  71
  72         if( iProgress == -1 ) {
  73                 painter.drawEllipse(QPoint(rect().left()+(rect().width()/2-(animMax*step)/2)+iAnim*step,
  74                                                         iAnimY), 10, 10);
  75         }
  76
  77         if( iUpdateAnim ) {
  78                 iAnim += iAnimDir;
  79                 if( iAnim>animMax )
  80                         iAnimDir=-1;
  81                 if( iAnim==-1 )
  82                         iAnimDir=1;
  83         }
  84
  85         if( iProgress >= 0 ) {
  86                 if( iProgress>100 )
  87                         iProgress = 100;
  88
  89                 painter.setBrush( QApplication::palette().color(QPalette::Window) );
  90                 painter.setPen( dim );
  91                 painter.drawRect(rect().left()+30, rect().bottom()-30, rect().right()-rect().left()-60, 10 );
  92                 painter.setBrush( QApplication::palette().color(QPalette::Highlight) );
  93                 painter.setPen( QApplication::palette().color(QPalette::Highlight) );
  94                 int pw = ( rect().right()-rect().left()-60 ) * iProgress / 100;
  95                 painter.drawRect(rect().left()+30, rect().bottom()-30, pw, 10 );
  96
  97                 if( iDownloadSpeed >= 0 ) {
  98                         painter.setBrush( QApplication::palette().color(QPalette::BrightText) );
  99                         painter.setPen( QApplication::palette().color(QPalette::BrightText) );
 100                         QRect textrect(rect().left(),rect().bottom()-70,rect().width(),30);
 101                         painter.drawText(textrect,QString("%1 kB/s").arg(iDownloadSpeed),Qt::AlignHCenter|Qt::AlignVCenter);
 102                 }
 103         }
 104 }
 105
 106 void dimmer::timerEvent()
 107 {
 108         iUpdateAnim = true;
 109         repaint(0,iAnimY-10,rect().width(),22);
 110         iUpdateAnim = false;
 111 }
 112
 113 void dimmer::resizeEvent(QResizeEvent* event)
 114 {
 115         iAnimY = this->rect().height() - this->rect().height() / 4;
 116         QWidget::resizeEvent(event);
 117 }
 118
 119 void dimmer::orientationChanged()
 120 {
 121         //resize( iParent->size() );
 122 }
 123
 124 void dimmer::dim(QString title, QString message)
 125 {
 126         QString colorname = QApplication::palette().color(QPalette::BrightText).name();
 127         iTitle = title;
 128         iBusy = true;
 129         iLabel->setText("<font color=\"" + colorname + "\"><b><u>" + iTitle + "</u></b><br><br>" + message + "</font>");
 130         iProgress = -1;
 131         iDownloadSpeed = -1;
 132         iAnim = 0;
 133         iAnimDir = 1;
 134
 135         show();
 136
 137         resize(iParent->size());
 138
 139         iTimer->start(250);
 140 }
 141
 142 void dimmer::updateText(QString message)
 143 {
 144         QString colorname = QApplication::palette().color(QPalette::BrightText).name();
 145         iLabel->setText("<font color=\"" + colorname + "\"><b><u>" + iTitle + "</u></b><br><br>" + message + "</font>");
 146 }
 147
 148 void dimmer::setProgress(int p_)
 149 {
 150         iProgress = p_;
 151         if( p_==-1 )
 152                 iDownloadSpeed = -1;
 153         repaint(0,rect().bottom()-30,rect().width(),20);
 154 }
 155
 156 void dimmer::setDownloadSpeed(int kbps_)
 157 {
 158         iDownloadSpeed = kbps_;
 159         repaint(QRect(rect().left(),rect().bottom()-70,rect().width(),30));
 160 }
 161
 162 void dimmer::undim()
 163 {
 164         iBusy = false;
 165         iTimer->stop();
 166         hide();
 167 }