vcs.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         iAlpha = 205;
  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         iBusy = false;
  34         iAnim = 0;
  35         iAnimDir = 1;
  36         iAnimY = this->rect().height()-this->rect().height()/4;
  37         iProgress = -1;
  38         iUpdateAnim = false;
  39         iDownloadSpeed = -1;
  40
  41         iTimer = new QTimer(this);
  42         connect(iTimer,SIGNAL(timeout()),this,SLOT(timerEvent()));
  43
  44         connect(QApplication::desktop(), SIGNAL(resized(int)), this, SLOT(orientationChanged()));
  45
  46         hide();
  47 }
  48
  49 dimmer::~dimmer()
  50 {
  51         // iTimer and other widgets are automatically deleted by their parent
  52 }
  53
  54 void dimmer::paintEvent(QPaintEvent *)
  55 {
  56         QPainter painter(this);
  57         QColor dim("black");
  58         dim.setAlpha(iAlpha);
  59         painter.setPen(dim);
  60         painter.setBrush(dim);
  61         painter.drawRect(rect());
  62
  63         painter.setBrush( QApplication::palette().color(QPalette::Highlight) );
  64
  65         int step = 15;
  66         int animMax = 10;
  67
  68         if( iProgress == -1 ) {
  69                 painter.drawEllipse(QPoint(rect().left()+(rect().width()/2-(animMax*step)/2)+iAnim*step,
  70                                                         iAnimY), 10, 10);
  71         }
  72
  73         if( iUpdateAnim ) {
  74                 iAnim += iAnimDir;
  75                 if( iAnim>animMax )
  76                         iAnimDir=-1;
  77                 if( iAnim==-1 )
  78                         iAnimDir=1;
  79         }
  80
  81         if( iProgress >= 0 ) {
  82                 if( iProgress>100 )
  83                         iProgress = 100;
  84
  85                 painter.setBrush( QApplication::palette().color(QPalette::Window) );
  86                 painter.setPen( dim );
  87                 painter.drawRect(rect().left()+30, rect().bottom()-30, rect().right()-rect().left()-60, 10 );
  88                 painter.setBrush( QApplication::palette().color(QPalette::Highlight) );
  89                 painter.setPen( QApplication::palette().color(QPalette::Highlight) );
  90                 int pw = ( rect().right()-rect().left()-60 ) * iProgress / 100;
  91                 painter.drawRect(rect().left()+30, rect().bottom()-30, pw, 10 );
  92
  93                 if( iDownloadSpeed >= 0 ) {
  94                         painter.setBrush( QApplication::palette().color(QPalette::BrightText) );
  95                         painter.setPen( QApplication::palette().color(QPalette::BrightText) );
  96                         QRect textrect(rect().left(),rect().bottom()-70,rect().width(),30);
  97                         painter.drawText(textrect,QString("%1 kB/s").arg(iDownloadSpeed),Qt::AlignHCenter|Qt::AlignVCenter);
  98                 }
  99         }
 100 }
 101
 102 void dimmer::timerEvent()
 103 {
 104         iUpdateAnim = true;
 105         repaint(0,iAnimY-10,rect().width(),22);
 106         iUpdateAnim = false;
 107 }
 108
 109 void dimmer::resizeEvent(QResizeEvent *)
 110 {
 111         this->resize(iParent->size());
 112         iLayout->setGeometry(iParent->rect());
 113         iLayout->setSizeConstraint(QLayout::SetMaximumSize);
 114         iAnimY = this->rect().height()-this->rect().height()/4;
 115 }
 116
 117 void dimmer::orientationChanged()
 118 {
 119         resizeEvent(0);
 120 }
 121
 122 void dimmer::dim(QString title, QString message)
 123 {
 124         QString colorname = QApplication::palette().color(QPalette::BrightText).name();
 125         iTitle = title;
 126         iBusy = true;
 127         iLabel->setText("<font color=\"" + colorname + "\"><b><u>" + iTitle + "</u></b><br><br>" + message + "</font>");
 128         iProgress = -1;
 129         iDownloadSpeed = -1;
 130         iAnim = 0;
 131         iAnimDir = 1;
 132
 133         show();
 134         iTimer->start(250);
 135 }
 136
 137 void dimmer::updateText(QString message)
 138 {
 139         QString colorname = QApplication::palette().color(QPalette::BrightText).name();
 140         iLabel->setText("<font color=\"" + colorname + "\"><b><u>" + iTitle + "</u></b><br><br>" + message + "</font>");
 141 }
 142
 143 void dimmer::setProgress(int p_)
 144 {
 145         iProgress = p_;
 146         if( p_==-1 )
 147                 iDownloadSpeed = -1;
 148         repaint(0,rect().bottom()-30,rect().width(),20);
 149 }
 150
 151 void dimmer::setDownloadSpeed(int kbps_)
 152 {
 153         iDownloadSpeed = kbps_;
 154         repaint(QRect(rect().left(),rect().bottom()-70,rect().width(),30));
 155 }
 156
 157 void dimmer::undim()
 158 {
 159         iBusy = false;
 160         iTimer->stop();
 161         hide();
 162 }