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         if (m_length == len)
  21                 return;
  22         m_length = len;
  23         updatePosition();
  24         invalidate();
  25 }
  26
  27 void ePositionGauge::setPosition(const pts_t &pos)
  28 {
  29         if (m_position == pos)
  30                 return;
  31         m_position = pos;
  32         updatePosition();
  33 }
  34
  35 void ePositionGauge::setInColor(const gRGB &color)
  36 {
  37         invalidate();
  38 }
  39
  40 void ePositionGauge::setPointer(gPixmap *pixmap, const ePoint &center)
  41 {
  42         m_point_center = center;
  43         m_point_widget->setPixmap(pixmap);
  44         m_point_widget->resize(pixmap->size());
  45         updatePosition();
  46 }
  47
  48 void ePositionGauge::setInOutList(PyObject *list)
  49 {
  50         if (!PyList_Check(list))
  51                 return;
  52         int size = PyList_Size(list);
  53         int i;
  54
  55         m_cue_entries.clear();
  56
  57         for (i=0; i<size; ++i)
  58         {
  59                 PyObject *tuple = PyList_GetItem(list, i);
  60                 if (!PyTuple_Check(tuple))
  61                         continue;
  62
  63                 if (PyTuple_Size(tuple) != 2)
  64                         continue;
  65
  66                 PyObject *ppts = PyTuple_GetItem(tuple, 0), *ptype = PyTuple_GetItem(tuple, 1);
  67                 if (!(PyLong_Check(ppts) && PyInt_Check(ptype)))
  68                         continue;
  69
  70                 pts_t pts = PyLong_AsLongLong(ppts);
  71                 int type = PyInt_AsLong(ptype);
  72                 m_cue_entries.insert(cueEntry(pts, type));
  73         }
  74         invalidate();
  75 }
  76
  77 int ePositionGauge::event(int event, void *data, void *data2)
  78 {
  79         switch (event)
  80         {
  81         case evtPaint:
  82         {
  83                 ePtr<eWindowStyle> style;
  84                 gPainter &painter = *(gPainter*)data2;
  85
  86                 eSize s(size());
  87
  88                 getStyle(style);
  89                 style->paintBackground(painter, ePoint(0,0), s);
  90                 style->setStyle(painter, eWindowStyle::styleLabel); // TODO - own style
  91 //              painter.fill(eRect(0, 10, s.width(), s.height()-20));
  92
  93                 pts_t in = 0, out = 0;
  94
  95                 std::multiset<cueEntry>::iterator i(m_cue_entries.begin());
  96
  97                 while (1)
  98                 {
  99                         if (i == m_cue_entries.end())
 100                                 out = m_length;
 101                         else {
 102                                 if (i->what == 0) /* in */
 103                                 {
 104                                         in = i++->where;
 105                                         continue;
 106                                 } else if (i->what == 1) /* out */
 107                                         out = i++->where;
 108                                 else /* mark */
 109                                 {
 110                                         int xm = scale(i->where);
 111                                         painter.setForegroundColor(gRGB(0xFF8080));
 112                                         painter.fill(eRect(xm - 2, 0, 4, s.height()));
 113                                         i++;
 114                                         continue;
 115                                 }
 116                         }
 117
 118                         painter.setForegroundColor(gRGB(0x225b7395));
 119                         int xi = scale(in), xo = scale(out);
 120                         painter.fill(eRect(xi, 10, xo-xi, s.height()-14));
 121                         in = m_length;
 122
 123                         if (i == m_cue_entries.end())
 124                                 break;
 125                 }
 126 //              painter.setForegroundColor(gRGB(0x00000000));
 127                 painter.setForegroundColor(gRGB(0x225b7395));
 128                 painter.fill(eRect(s.width() - 2, 2, s.width() - 1, s.height() - 4));
 129                 painter.fill(eRect(0, 2, 2, s.height() - 4));
 130
 131 #if 0
 132 // border
 133                 if (m_have_border_color)
 134                         painter.setForegroundColor(m_border_color);
 135                 painter.fill(eRect(0, 0, s.width(), m_border_width));
 136                 painter.fill(eRect(0, m_border_width, m_border_width, s.height()-m_border_width));
 137                 painter.fill(eRect(m_border_width, s.height()-m_border_width, s.width()-m_border_width, m_border_width));
 138                 painter.fill(eRect(s.width()-m_border_width, m_border_width, m_border_width, s.height()-m_border_width));
 139 #endif
 140
 141                 return 0;
 142         }
 143         case evtChangedPosition:
 144                 return 0;
 145         default:
 146                 return eWidget::event(event, data, data2);
 147         }
 148 }
 149
 150 void ePositionGauge::updatePosition()
 151 {
 152         m_pos = scale(m_position);
 153         int base = (size().height() - 10) / 2;
 154
 155         m_point_widget->move(ePoint(m_pos - m_point_center.x(), base - m_point_center.y()));
 156 }
 157
 158 int ePositionGauge::scale(const pts_t &val)
 159 {
 160         if (!m_length)
 161                 return 0;
 162
 163         int width = size().width();
 164
 165         return width * val / m_length;
 166 }