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