lib/gui/epositiongauge.cpp

   1 #include <lib/gui/epositiongauge.h>
   2 #include <lib/gui/epixmap.h>
   3
   4 ePositionGauge::ePositionGauge(eWidget *parent)
   5         : eWidget(parent)
   6 {
   7         m_point_widget = new ePixmap(this);
   8         m_point_widget->setAlphatest(1);
   9         m_position = 0;
  10         m_length = 0;
  11 }
  12
  13 ePositionGauge::~ePositionGauge()
  14 {
  15         delete m_point_widget;
  16 }
  17
  18 void ePositionGauge::setLength(const pts_t &len)
  19 {
  20         eDebug("set len: %llx", len);
  21         if (m_length == len)
  22                 return;
  23         m_length = len;
  24         updatePosition();
  25 }
  26
  27 void ePositionGauge::setPosition(const pts_t &pos)
  28 {
  29         eDebug("set position: %llx", pos);
  30         if (m_position == pos)
  31                 return;
  32         m_position = pos;
  33         updatePosition();
  34 }
  35
  36 void ePositionGauge::setInColor(const gRGB &color)
  37 {
  38         invalidate();
  39 }
  40
  41 void ePositionGauge::setPointer(gPixmap *pixmap, const ePoint &center)
  42 {
  43         m_point_center = center;
  44         m_point_widget->setPixmap(pixmap);
  45         m_point_widget->resize(pixmap->size());
  46         updatePosition();
  47 }
  48
  49 int ePositionGauge::event(int event, void *data, void *data2)
  50 {
  51         switch (event)
  52         {
  53         case evtPaint:
  54         {
  55                 ePtr<eWindowStyle> style;
  56                 gPainter &painter = *(gPainter*)data2;
  57
  58                 eSize s(size());
  59
  60                 getStyle(style);
  61                 style->paintBackground(painter, ePoint(0,0), s);
  62                 style->setStyle(painter, eWindowStyle::styleLabel); // TODO - own style
  63                 painter.setForegroundColor(gRGB(0x225b7395));
  64
  65                 painter.fill(eRect(0, 10, s.width(), s.height()-14));
  66
  67 //              painter.setForegroundColor(gRGB(0x00000000));
  68                 painter.fill(eRect(s.width() - 2, 2, s.width() - 1, s.height() - 4));
  69                 painter.fill(eRect(0, 2, 2, s.height() - 4));
  70
  71 #if 0
  72 // border
  73                 if (m_have_border_color)
  74                         painter.setForegroundColor(m_border_color);
  75                 painter.fill(eRect(0, 0, s.width(), m_border_width));
  76                 painter.fill(eRect(0, m_border_width, m_border_width, s.height()-m_border_width));
  77                 painter.fill(eRect(m_border_width, s.height()-m_border_width, s.width()-m_border_width, m_border_width));
  78                 painter.fill(eRect(s.width()-m_border_width, m_border_width, m_border_width, s.height()-m_border_width));
  79 #endif
  80
  81                 return 0;
  82         }
  83         case evtChangedPosition:
  84                 return 0;
  85         default:
  86                 return eWidget::event(event, data, data2);
  87         }
  88 }
  89
  90 void ePositionGauge::updatePosition()
  91 {
  92         if (!m_length)
  93                 return;
  94
  95         int width = size().width();
  96         int x = width * m_position / m_length;
  97         m_pos = x;
  98         int base = (size().height() - 10) / 2;
  99
 100         m_point_widget->move(ePoint(m_pos - m_point_center.x(), base - m_point_center.y()));
 101 }