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_seek_point_widget = new ePixmap(this);
   9         m_seek_point_widget->hide();
  10         m_point_widget->setAlphatest(1);
  11         m_seek_point_widget->setAlphatest(1);
  12         m_position = 0;
  13         m_length = 0;
  14         m_have_foreground_color = 0;
  15         m_seek_position = 0;
  16 }
  17
  18 ePositionGauge::~ePositionGauge()
  19 {
  20         delete m_point_widget;
  21         delete m_seek_point_widget;
  22 }
  23
  24 void ePositionGauge::setLength(const pts_t &len)
  25 {
  26         if (m_length == len)
  27                 return;
  28         m_length = len;
  29         updatePosition();
  30         invalidate();
  31 }
  32
  33 void ePositionGauge::setPosition(const pts_t &pos)
  34 {
  35         if (m_position == pos)
  36                 return;
  37         m_position = pos;
  38         updatePosition();
  39 }
  40
  41 void ePositionGauge::setInColor(const gRGB &color)
  42 {
  43         invalidate();
  44 }
  45
  46 void ePositionGauge::setPointer(int which, ePtr<gPixmap> &pixmap, const ePoint &center)
  47 {
  48         setPointer(which, pixmap.operator->(), center);
  49 }
  50
  51 void ePositionGauge::setPointer(int which, gPixmap *pixmap, const ePoint &center)
  52 {
  53         if (which == 0)
  54         {
  55                 m_point_center = center;
  56                 m_point_widget->setPixmap(pixmap);
  57                 m_point_widget->resize(pixmap->size());
  58         } else
  59         {
  60                 m_seek_point_center = center;
  61                 m_seek_point_widget->setPixmap(pixmap);
  62                 m_seek_point_widget->resize(pixmap->size());
  63         }
  64         updatePosition();
  65 }
  66
  67 void ePositionGauge::setInOutList(ePyObject list)
  68 {
  69         if (!PyList_Check(list))
  70                 return;
  71         int size = PyList_Size(list);
  72         int i;
  73
  74         m_cue_entries.clear();
  75
  76         for (i=0; i<size; ++i)
  77         {
  78                 ePyObject tuple = PyList_GET_ITEM(list, i);
  79                 if (!PyTuple_Check(tuple))
  80                         continue;
  81
  82                 if (PyTuple_Size(tuple) != 2)
  83                         continue;
  84
  85                 ePyObject ppts = PyTuple_GET_ITEM(tuple, 0), ptype = PyTuple_GET_ITEM(tuple, 1);
  86                 if (!(PyLong_Check(ppts) && PyInt_Check(ptype)))
  87                         continue;
  88
  89                 pts_t pts = PyLong_AsLongLong(ppts);
  90                 int type = PyInt_AsLong(ptype);
  91                 m_cue_entries.insert(cueEntry(pts, type));
  92         }
  93         invalidate();
  94 }
  95
  96 int ePositionGauge::event(int event, void *data, void *data2)
  97 {
  98         switch (event)
  99         {
 100         case evtPaint:
 101         {
 102                 ePtr<eWindowStyle> style;
 103                 gPainter &painter = *(gPainter*)data2;
 104
 105                 eSize s(size());
 106
 107                 getStyle(style);
 108
 109                 eWidget::event(evtPaint, data, data2);
 110
 111                 style->setStyle(painter, eWindowStyle::styleLabel); // TODO - own style
 112 //              painter.fill(eRect(0, 10, s.width(), s.height()-20));
 113
 114                 pts_t in = 0, out = 0;
 115
 116                 std::multiset<cueEntry>::iterator i(m_cue_entries.begin());
 117
 118                 while (1)
 119                 {
 120                         if (i == m_cue_entries.end())
 121                                 out = m_length;
 122                         else {
 123                                 if (i->what == 0) /* in */
 124                                 {
 125                                         in = i++->where;
 126                                         continue;
 127                                 } else if (i->what == 1) /* out */
 128                                         out = i++->where;
 129                                 else if (i->what == 2) /* mark */
 130                                 {
 131                                         int xm = scale(i->where);
 132                                         painter.setForegroundColor(gRGB(0xFF8080));
 133                                         painter.fill(eRect(xm - 2, 0, 4, s.height()));
 134                                         i++;
 135                                         continue;
 136                                 } else /* other marker, like last position */
 137                                 {
 138                                         ++i;
 139                                         continue;
 140                                 }
 141                         }
 142
 143                         if (m_have_foreground_color)
 144                         {
 145                                 painter.setForegroundColor(gRGB(m_foreground_color));
 146                                 int xi = scale(in), xo = scale(out);
 147                                 painter.fill(eRect(xi, (s.height()-4) / 2, xo-xi, 4));
 148                         }
 149
 150                         in = m_length;
 151
 152                         if (i == m_cue_entries.end())
 153                                 break;
 154                 }
 155 //              painter.setForegroundColor(gRGB(0x00000000));
 156
 157                 if (m_have_foreground_color)
 158                 {
 159                         painter.setForegroundColor(gRGB(0x225b7395));
 160                         painter.fill(eRect(s.width() - 2, 2, s.width() - 1, s.height() - 4));
 161                         painter.fill(eRect(0, 2, 2, s.height() - 4));
 162                 }
 163
 164 #if 0
 165 // border
 166                 if (m_have_border_color)
 167                         painter.setForegroundColor(m_border_color);
 168                 painter.fill(eRect(0, 0, s.width(), m_border_width));
 169                 painter.fill(eRect(0, m_border_width, m_border_width, s.height()-m_border_width));
 170                 painter.fill(eRect(m_border_width, s.height()-m_border_width, s.width()-m_border_width, m_border_width));
 171                 painter.fill(eRect(s.width()-m_border_width, m_border_width, m_border_width, s.height()-m_border_width));
 172 #endif
 173
 174                 return 0;
 175         }
 176         case evtChangedPosition:
 177                 return 0;
 178         default:
 179                 return eWidget::event(event, data, data2);
 180         }
 181 }
 182
 183 void ePositionGauge::updatePosition()
 184 {
 185         m_pos = scale(m_position);
 186         m_seek_pos = scale(m_seek_position);
 187         int base = (size().height() - 10) / 2;
 188
 189         m_point_widget->move(ePoint(m_pos - m_point_center.x(), base - m_point_center.y()));
 190         m_seek_point_widget->move(ePoint(m_seek_pos - m_seek_point_center.x(), base - m_seek_point_center.y()));
 191 }
 192
 193 int ePositionGauge::scale(const pts_t &val)
 194 {
 195         if (!m_length)
 196                 return 0;
 197
 198         int width = size().width();
 199
 200         return width * val / m_length;
 201 }
 202
 203 void ePositionGauge::setForegroundColor(const gRGB &col)
 204 {
 205         if ((!m_have_foreground_color) || !(m_foreground_color == col))
 206         {
 207                 m_foreground_color = col;
 208                 m_have_foreground_color = 1;
 209                 invalidate();
 210         }
 211 }
 212
 213 void ePositionGauge::enableSeekPointer(int enable)
 214 {
 215         if (enable)
 216                 m_seek_point_widget->show();
 217         else
 218                 m_seek_point_widget->hide();
 219 }
 220
 221 void ePositionGauge::setSeekPosition(const pts_t &pos)
 222 {
 223         if (m_seek_position == pos)
 224                 return;
 225         m_seek_position = pos;
 226         updatePosition();
 227 }