git.maemo.org Git - mardrone/blob - mardrone/gaugelabel.cpp

   1 /*==================================================================
   2   !
   3   !  mardrone application AR-Drone for MeeGo
   4
   5   ! Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
   6   ! All rights reserved.
   7   !
   8   !  Author:Kate Alhola  kate.alhola@nokia.com
   9   !
  10   ! GNU Lesser General Public License Usage
  11   ! This file may be used under the terms of the GNU Lesser
  12   ! General Public License version 2.1 as published by the Free Software
  13   ! Foundation and appearing in the file LICENSE.LGPL included in the
  14   ! packaging of this file.  Please review the following information to
  15   ! ensure the GNU Lesser General Public License version 2.1 requirements
  16   ! will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  17   !
  18   !
  19   !
  20   *===================================================================*/
  21
  22 #include "gaugelabel.h"
  23 #include <QDebug>
  24
  25
  26 GaugeLabel::GaugeLabel(QGraphicsItem *parent) :
  27     Gauge(parent)
  28 {
  29 }
  30
  31 void GaugeLabel::paint(QPainter *painter,const QStyleOptionGraphicsItem *option,
  32                        QWidget *widget)
  33 {
  34     drawNumLabel(painter);
  35 };
  36 //////////////////////////////////////////////////////////////////////////
  37 void GaugeLabel::drawNumLabel(QPainter *painter)
  38 {
  39   int ld,ldo,ud,lo;
  40   int split,uw,base;
  41   char text[20] = {0};
  42   int h=size().height();
  43   int w=size().width();
  44   int val=m_value;
  45    painter->save();
  46   qDebug() <<"drawnumlabel=" << m_name << " h=" << h << "w=" << w;
  47   if(m_style&SCROLL) {
  48     QFont sansFont("Helvetica [Cronyx]", 12);
  49     QFontMetrics fm(sansFont);
  50     painter->setFont(sansFont);
  51
  52     ld=abs(val%100);
  53     ud=val/100;
  54     ldo=ld%10;
  55     printf("ld=%d ldo=%d lo=%d h=%d\n",ld,ldo,lo,h);
  56     lo=(ldo*h)/-20;
  57     drawLabel(painter, text, m_style);
  58     sprintf(text, "%3d", ud);
  59     split=w/2;
  60     base=(h+fm.ascent())/2;
  61     uw=fm.width(text);
  62
  63     painter->drawText(split-uw+6, base, text);
  64     sprintf(text, "%02d", abs((ld-ldo-20)%100));
  65     painter->drawText(split+ 7, base -h +lo, text);
  66     sprintf(text, "%02d", abs((ld-ldo-10)%100));
  67     painter->drawText(split+ 7, base -h/2 +lo, text);
  68     sprintf(text, "%02d", abs((ld-ldo)%100));
  69     painter->drawText(split +7, base +lo, text);
  70     sprintf(text, "%02d", abs((ld-ldo+10)%100));
  71     painter->drawText(split + 7,base + h/2 +lo , text);
  72     sprintf(text, "%02d", abs((ld-ldo+20)%100));
  73     painter->drawText(split + 7,base + h +lo , text);
  74
  75
  76   } else {
  77     sprintf(text, "%3d", val);
  78     drawLabel(painter, text,m_style);
  79   }
  80   painter->restore();  // Restore and remove clicping rectabgle
  81 }
  82
  83 ///////////////////////////////////////////////////////////////////////////
  84 void GaugeLabel::drawLabel(QPainter *painter,char *text,int style)
  85 {
  86   int textlen = 0, i = 0;
  87   int xplace=0;
  88   int yplace=0;
  89   int height=size().height();
  90   int width=size().width();
  91   int scrbox=(height*10)/30;
  92
  93
  94   QVector<QPoint> nboxv;
  95
  96   QPen pen(Qt::white);
  97   painter->setPen(pen);
  98
  99
 100   if (style&7 == LEFT) xplace+=5;
 101
 102   nboxv.push_back(QPoint(xplace,yplace));
 103
 104
 105
 106   if (style&7 == UP) {
 107     nboxv.push_back(QPoint(xplace+(width/2)-5,yplace  ));
 108     nboxv.push_back(QPoint(xplace+(width/2)  ,yplace-5));
 109     nboxv.push_back(QPoint(xplace+(width/2)+5,yplace  ));
 110   }
 111
 112   if (style&SCROLL) {
 113     nboxv.push_back(QPoint(xplace+width/2,yplace));
 114     nboxv.push_back(QPoint(xplace+width/2,yplace-scrbox));
 115     nboxv.push_back(QPoint(xplace+width,yplace-scrbox  ));
 116   } else
 117     nboxv.push_back(QPoint(xplace+width,yplace  ));
 118
 119
 120   if (style&7== RIGHT) {
 121
 122     nboxv.push_back(QPoint(xplace+width  ,yplace+(height/2)-5));
 123     nboxv.push_back(QPoint(xplace+width+5,yplace+(height/2)  ));
 124     nboxv.push_back(QPoint(xplace+width  ,yplace+(height/2)+5));
 125   }
 126
 127   if (style&SCROLL) {
 128     nboxv.push_back(QPoint(xplace+width,yplace+height+scrbox));
 129     nboxv.push_back(QPoint(xplace+width/2,yplace+height+scrbox));
 130     nboxv.push_back(QPoint(xplace+width/2,yplace+height));
 131   } else
 132     nboxv.push_back(QPoint(xplace+width,yplace+height));
 133
 134   if (style&7== DOWN) {
 135     nboxv.push_back(QPoint(xplace+(width/2)-5,yplace+height));
 136     nboxv.push_back(QPoint(xplace+(width/2)  ,yplace+height+5));
 137     nboxv.push_back(QPoint(xplace+(width/2)+5,yplace+height));
 138   }
 139
 140   nboxv.push_back(QPoint(xplace,yplace+height));
 141
 142   if (style&7 == LEFT) {
 143     nboxv.push_back(QPoint(xplace  ,yplace+(height/2)+5));
 144     nboxv.push_back(QPoint(xplace-5,yplace+(height/2)  ));
 145     nboxv.push_back(QPoint(xplace  ,yplace+(height/2)-5));
 146   }
 147
 148   nboxv.push_back(QPoint(xplace,yplace));
 149
 150   textlen = strlen(text) + 2;
 151
 152   //  pdrawable->draw_rectangle(pwidget->get_style()->get_black_gc(),
 153   //                        true, xplace, yplace, width, height);
 154
 155   if (style&SCROLL)
 156     painter->setClipRect(QRect(xplace-5,yplace-scrbox, width+10, height+2*scrbox+1));
 157
 158   QBrush brush(QColor(0,0,0,255));
 159   //  QFont tapeFont("Helvetica [Cronyx]", 18);
 160   //  painter->setFont(tapeFont);
 161   //  painter->setPen(pen);
 162   painter->setBrush(brush);
 163
 164   painter->drawPolygon(nboxv);
 165
 166   painter->drawLines(nboxv);
 167
 168   //  painter->setBrush(brush);
 169   QFont sansFont("Helvetica [Cronyx]", 12);
 170   QFontMetrics fm(sansFont);
 171   painter->setFont(sansFont);
 172
 173   painter->drawText(xplace + 3, yplace + (height+fm.ascent())/2, text);
 174 }
 175