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 <QtGui/QGraphicsPixmapItem>
  22 #include <QtGui/QPixmap>
  23 #include <QtCore/QString>
  24 #include <QtCore/QDebug>
  25 #include <math.h>
  26 #include "detailscreen.h"
  27 #include "odometer.h"
  28 #include "graphicsscene.h"
  29
  30 namespace
  31 {
  32     QString const FONT = "Tahoma";
  33     QString const BACKGROUND = ":/resources/themes/default/background.png";
  34     int const FONT_SIZE = 20;
  35     int const START_HEIGHT = 80;
  36     int const ITEM_WIDTH = 130;
  37 }
  38
  39 DetailScreen::DetailScreen(QWidget* parent): GraphicsScreen(parent)
  40 {
  41     QString unit = Odometer::getUnit();
  42     QString speedUnit = Odometer::getSpeedUnit();
  43
  44     QGraphicsPixmapItem* background = new QGraphicsPixmapItem(QPixmap(BACKGROUND));
  45     getScene()->addItem(background);
  46
  47     tripLabel_ = createItem(tr("Trip"));
  48     trip_ = createItem(roundDouble(Odometer::instance().getTrip()));
  49     tripUnit_ = createItem(unit);
  50
  51     totalLabel_ = createItem(tr("Total"));
  52     total_ = createItem(roundDouble(Odometer::instance().getTotal()));
  53     totalUnit_ = createItem(unit);
  54
  55     speedLabel_ = createItem(tr("Speed"));
  56     speed_ = createItem(roundDouble(0.0));
  57     speedUnit_ = createItem(speedUnit);
  58
  59     avgSpeedLabel_ = createItem(tr("Average speed"));
  60     avgSpeed_ = createItem(roundDouble(Odometer::instance().getAverageSpeed()));
  61     avgSpeedUnit_ = createItem(speedUnit);
  62
  63     maxSpeedLabel_ = createItem(tr("Max speed"));
  64     maxSpeed_ = createItem(roundDouble(Odometer::instance().getMaxSpeed()));
  65     maxSpeedUnit_ = createItem(speedUnit);
  66
  67     tripTimeLabel_ = createItem(tr("Trip time"));
  68     tripTime_ = createItem(formatTime(Odometer::instance().getTripTime()));
  69
  70     totalTimeLabel_ = createItem(tr("Total time"));
  71     totalTime_ = createItem(formatTime(Odometer::instance().getTotalTime()));
  72
  73     line1_ = createLine();
  74     line2_ = createLine();
  75
  76     strength_ = new QGraphicsPixmapItem;
  77     currentStrength_ = getStrength();
  78     strength_->setPixmap(QPixmap(":/resources/signal_" + QString::number(currentStrength_) + ".png"));
  79     getScene()->addItem(strength_);
  80
  81     connect(&(Odometer::instance()), SIGNAL(timeUpdated()), this, SLOT(updateTime()));
  82     connect(&(Odometer::instance()), SIGNAL(unitChanged()), this, SLOT(updateUnits()));
  83
  84     reArrange();
  85 }
  86
  87 void DetailScreen::update()
  88 {
  89     speed_->setPlainText(roundDouble(Odometer::instance().getLatestFix().speed));
  90     trip_->setPlainText(roundDouble(Odometer::instance().getTrip()));
  91     total_->setPlainText(roundDouble(Odometer::instance().getTotal()));
  92     avgSpeed_->setPlainText(roundDouble(Odometer::instance().getAverageSpeed()));
  93     maxSpeed_->setPlainText(roundDouble(Odometer::instance().getMaxSpeed()));
  94
  95     int strength = getStrength();
  96
  97     if(strength != currentStrength_)
  98     {
  99         currentStrength_ = strength;
 100         strength_->setPixmap(QPixmap(":/resources/signal_" + QString::number(strength) + ".png"));
 101     }
 102 }
 103
 104 void DetailScreen::updateTime()
 105 {
 106     tripTime_->setPlainText(formatTime(Odometer::instance().getTripTime()));
 107     totalTime_->setPlainText(formatTime(Odometer::instance().getTotalTime()));
 108 }
 109
 110 void DetailScreen::updateUnits()
 111 {
 112     QString unit = Odometer::getUnit();
 113     QString speedUnit = Odometer::getSpeedUnit();
 114
 115     tripUnit_->setPlainText(unit);
 116     totalUnit_->setPlainText(unit);
 117     speedUnit_->setPlainText(speedUnit);
 118     avgSpeedUnit_->setPlainText(speedUnit);
 119     maxSpeedUnit_->setPlainText(speedUnit);
 120
 121     update();
 122 }
 123
 124 void DetailScreen::reArrange()
 125 {
 126     GraphicsScreen::reArrange();
 127
 128     int width = getScene()->width();
 129     int height = getScene()->height();
 130
 131     int lineHeight = height / 9;
 132
 133     int padding = width / 22;
 134     int area1 = (width / 3) + ITEM_WIDTH / 2 + 20;
 135     int area2 = area1 + ITEM_WIDTH;
 136
 137     tripLabel_->setPos(padding, START_HEIGHT);
 138     trip_->setPos(area1, START_HEIGHT);
 139     tripUnit_->setPos(area2, START_HEIGHT);
 140
 141     totalLabel_->setPos(padding, START_HEIGHT + lineHeight);
 142     total_->setPos(area1, START_HEIGHT + lineHeight);
 143     totalUnit_->setPos(area2, START_HEIGHT + lineHeight);
 144
 145     speedLabel_->setPos(padding, START_HEIGHT + 2 * lineHeight);
 146     speed_->setPos(area1, START_HEIGHT + 2 * lineHeight);
 147     speedUnit_->setPos(area2, START_HEIGHT + 2 * lineHeight);
 148
 149     avgSpeedLabel_->setPos(padding, START_HEIGHT + 3 * lineHeight);
 150     avgSpeed_->setPos(area1, START_HEIGHT + 3 * lineHeight);
 151     avgSpeedUnit_->setPos(area2, START_HEIGHT + 3 * lineHeight);
 152
 153     maxSpeedLabel_->setPos(padding, START_HEIGHT + 4 * lineHeight);
 154     maxSpeed_->setPos(area1, START_HEIGHT + 4 * lineHeight);
 155     maxSpeedUnit_->setPos(area2, START_HEIGHT + 4 * lineHeight);
 156
 157     tripTimeLabel_->setPos(padding, START_HEIGHT + 5 * lineHeight);
 158     tripTime_->setPos(area1, START_HEIGHT + 5 * lineHeight);
 159
 160     totalTimeLabel_->setPos(padding, START_HEIGHT + 6 * lineHeight);
 161     totalTime_->setPos(area1, START_HEIGHT + 6 * lineHeight);
 162
 163     int y1 = START_HEIGHT + 2 * lineHeight - lineHeight / 2 + FONT_SIZE + 2;
 164     int y2 = START_HEIGHT + 5 * lineHeight - lineHeight / 2 + FONT_SIZE + 2;
 165     int x = width - padding;
 166     line1_->setLine(padding + 2, y1, x, y1);
 167     line2_->setLine(padding + 2, y2, x, y2);
 168
 169     strength_->setPos(width - padding - 64, height - padding - 41);
 170 }
 171
 172 QGraphicsTextItem* DetailScreen::createItem(QString const& text)
 173 {
 174     QGraphicsTextItem* item = new QGraphicsTextItem(text);
 175     QFont font(FONT, FONT_SIZE);
 176     font.setBold(true);
 177     item->setFont(font);
 178     item->setDefaultTextColor(QColor("#fff"));
 179     getScene()->addItem(item);
 180     return item;
 181 }
 182
 183 QGraphicsLineItem* DetailScreen::createLine()
 184 {
 185     QGraphicsLineItem* item = new QGraphicsLineItem;
 186     QPen pen(QColor("#ddd"));
 187     pen.setWidth(1);
 188     item->setPen(pen);
 189     getScene()->addItem(item);
 190     return item;
 191 }
 192
 193 QString DetailScreen::roundDouble(double number)
 194 {
 195     QString result;
 196     result.sprintf("%.2lf", number);
 197     return result;
 198 }
 199
 200 QString DetailScreen::formatTime(qulonglong time)
 201 {
 202     qulonglong secs = time % 60;
 203     qulonglong mins_tmp = time / 60;
 204     qulonglong mins = mins_tmp % 60;
 205     qulonglong hours = mins_tmp / 60;
 206
 207     static char format[] = "%02d";
 208
 209     return QString().sprintf(format, hours) + ":" +
 210            QString().sprintf(format, mins) + ":" +
 211            QString().sprintf(format, secs);
 212 }
 213
 214 int DetailScreen::getStrength()
 215 {
 216     double strength = round(Odometer::instance().getSignalStrength() / 25.0);
 217     return static_cast<int>(strength);
 218 }