git.maemo.org Git - jspeed/blob - src/detailscreen.cpp

   1 /*
   2  * This file is part of jSpeed.
   3  *
   4  * jSpeed 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  * jSpeed 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 jSpeed.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 #include <QtGui/QGraphicsTextItem>
  20 #include <QtGui/QGraphicsLineItem>
  21 #include <QtCore/QString>
  22 #include <QtCore/QDebug>
  23 #include "detailscreen.h"
  24 #include "odometer.h"
  25 #include "graphicsscene.h"
  26
  27 namespace
  28 {
  29     QString const FONT = "Tahoma";
  30     QString const BACKGROUND = ":/resources/themes/default/background.png";
  31     int const FONT_SIZE = 20;
  32     int const PADDING_LEFT = 40;
  33     int const START_HEIGHT = 80;
  34     int const ITEM_WIDTH = 130;
  35 }
  36
  37 DetailScreen::DetailScreen(QWidget* parent): GraphicsScreen(parent)
  38 {
  39     QString unit = Odometer::getUnit();
  40     QString speedUnit = Odometer::getSpeedUnit();
  41
  42     QGraphicsPixmapItem* background = new QGraphicsPixmapItem(QPixmap(BACKGROUND));
  43     getScene()->addItem(background);
  44
  45     tripLabel_ = createItem(tr("Trip"));
  46     trip_ = createItem(roundDouble(Odometer::instance().getTrip()));
  47     tripUnit_ = createItem(unit);
  48
  49     totalLabel_ = createItem(tr("Total"));
  50     total_ = createItem(roundDouble(Odometer::instance().getTotal()));
  51     totalUnit_ = createItem(unit);
  52
  53     speedLabel_ = createItem(tr("Speed"));
  54     speed_ = createItem(roundDouble(0.0));
  55     speedUnit_ = createItem(speedUnit);
  56
  57     avgSpeedLabel_ = createItem(tr("Average speed"));
  58     avgSpeed_ = createItem(roundDouble(Odometer::instance().getAverageSpeed()));
  59     avgSpeedUnit_ = createItem(speedUnit);
  60
  61     maxSpeedLabel_ = createItem(tr("Max speed"));
  62     maxSpeed_ = createItem(roundDouble(Odometer::instance().getMaxSpeed()));
  63     maxSpeedUnit_ = createItem(speedUnit);
  64
  65     tripTimeLabel_ = createItem(tr("Trip time"));
  66     tripTime_ = createItem(formatTime(Odometer::instance().getTripTime()));
  67
  68     totalTimeLabel_ = createItem(tr("Total time"));
  69     totalTime_ = createItem(formatTime(Odometer::instance().getTotalTime()));
  70
  71     line1_ = createLine();
  72     line2_ = createLine();
  73
  74     connect(&(Odometer::instance()), SIGNAL(timeUpdated()), this, SLOT(updateTime()));
  75     connect(&(Odometer::instance()), SIGNAL(unitChanged()), this, SLOT(updateUnits()));
  76
  77     reArrange();
  78 }
  79
  80 void DetailScreen::update()
  81 {
  82     speed_->setPlainText(roundDouble(Odometer::instance().getLatestFix().speed));
  83     trip_->setPlainText(roundDouble(Odometer::instance().getTrip()));
  84     total_->setPlainText(roundDouble(Odometer::instance().getTotal()));
  85     avgSpeed_->setPlainText(roundDouble(Odometer::instance().getAverageSpeed()));
  86     maxSpeed_->setPlainText(roundDouble(Odometer::instance().getMaxSpeed()));
  87 }
  88
  89 void DetailScreen::updateTime()
  90 {
  91     tripTime_->setPlainText(formatTime(Odometer::instance().getTripTime()));
  92     totalTime_->setPlainText(formatTime(Odometer::instance().getTotalTime()));
  93 }
  94
  95 void DetailScreen::updateUnits()
  96 {
  97     QString unit = Odometer::getUnit();
  98     QString speedUnit = Odometer::getSpeedUnit();
  99
 100     tripUnit_->setPlainText(unit);
 101     totalUnit_->setPlainText(unit);
 102     speedUnit_->setPlainText(speedUnit);
 103     avgSpeedUnit_->setPlainText(speedUnit);
 104     maxSpeedUnit_->setPlainText(speedUnit);
 105
 106     update();
 107 }
 108
 109 void DetailScreen::reArrange()
 110 {
 111     GraphicsScreen::reArrange();
 112
 113     int lineHeight = getScene()->height() / 9;
 114
 115     int area1 = (getScene()->width() / 3) + ITEM_WIDTH / 2 + 20;
 116     int area2 = area1 + ITEM_WIDTH;
 117
 118     tripLabel_->setPos(PADDING_LEFT, START_HEIGHT);
 119     trip_->setPos(area1, START_HEIGHT);
 120     tripUnit_->setPos(area2, START_HEIGHT);
 121
 122     totalLabel_->setPos(PADDING_LEFT, START_HEIGHT + lineHeight);
 123     total_->setPos(area1, START_HEIGHT + lineHeight);
 124     totalUnit_->setPos(area2, START_HEIGHT + lineHeight);
 125
 126     speedLabel_->setPos(PADDING_LEFT, START_HEIGHT + 2 * lineHeight);
 127     speed_->setPos(area1, START_HEIGHT + 2 * lineHeight);
 128     speedUnit_->setPos(area2, START_HEIGHT + 2 * lineHeight);
 129
 130     avgSpeedLabel_->setPos(PADDING_LEFT, START_HEIGHT + 3 * lineHeight);
 131     avgSpeed_->setPos(area1, START_HEIGHT + 3 * lineHeight);
 132     avgSpeedUnit_->setPos(area2, START_HEIGHT + 3 * lineHeight);
 133
 134     maxSpeedLabel_->setPos(PADDING_LEFT, START_HEIGHT + 4 * lineHeight);
 135     maxSpeed_->setPos(area1, START_HEIGHT + 4 * lineHeight);
 136     maxSpeedUnit_->setPos(area2, START_HEIGHT + 4 * lineHeight);
 137
 138     tripTimeLabel_->setPos(PADDING_LEFT, START_HEIGHT + 5 * lineHeight);
 139     tripTime_->setPos(area1, START_HEIGHT + 5 * lineHeight);
 140
 141     totalTimeLabel_->setPos(PADDING_LEFT, START_HEIGHT + 6 * lineHeight);
 142     totalTime_->setPos(area1, START_HEIGHT + 6 * lineHeight);
 143
 144     int y1 = START_HEIGHT + 2 * lineHeight - lineHeight / 2 + FONT_SIZE + 2;
 145     int y2 = START_HEIGHT + 5 * lineHeight - lineHeight / 2 + FONT_SIZE + 2;
 146     int x = getScene()->width() - PADDING_LEFT;
 147     line1_->setLine(PADDING_LEFT + 2, y1, x, y1);
 148     line2_->setLine(PADDING_LEFT + 2, y2, x, y2);
 149 }
 150
 151 QGraphicsTextItem* DetailScreen::createItem(QString const& text)
 152 {
 153     QGraphicsTextItem* item = new QGraphicsTextItem(text);
 154     QFont font(FONT, FONT_SIZE);
 155     font.setBold(true);
 156     item->setFont(font);
 157     item->setDefaultTextColor(QColor("#fff"));
 158     getScene()->addItem(item);
 159     return item;
 160 }
 161
 162 QGraphicsLineItem* DetailScreen::createLine()
 163 {
 164     QGraphicsLineItem* item = new QGraphicsLineItem;
 165     QPen pen(QColor("#ddd"));
 166     pen.setWidth(1);
 167     item->setPen(pen);
 168     getScene()->addItem(item);
 169     return item;
 170 }
 171
 172 QString DetailScreen::roundDouble(double number)
 173 {
 174     QString result;
 175     result.sprintf("%.2lf", number);
 176     return result;
 177 }
 178
 179 QString DetailScreen::formatTime(qulonglong time)
 180 {
 181     qulonglong secs = time % 60;
 182     qulonglong mins_tmp = time / 60;
 183     qulonglong mins = mins_tmp % 60;
 184     qulonglong hours = mins_tmp / 60;
 185
 186     static char format[] = "%02d";
 187
 188     return QString().sprintf(format, hours) + ":" +
 189            QString().sprintf(format, mins) + ":" +
 190            QString().sprintf(format, secs);
 191 }